Mercurial > vim
annotate src/channel.c @ 8110:d1974721ddc5 v7.4.1349
commit https://github.com/vim/vim/commit/74a97b1ea0fe2c729e26718d0eec4164c8bed151
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Feb 18 21:19:21 2016 +0100
patch 7.4.1349
Problem: And some more MingW compiler warnings. (Cesar Romani)
Solution: Add type casts.
author | Christian Brabandt <cb@256bit.org> |
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date | Thu, 18 Feb 2016 21:30:04 +0100 |
parents | 882ba5080c5c |
children | 4aea0b0aa714 |
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1 /* vi:set ts=8 sts=4 sw=4: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Do ":help uganda" in Vim to read copying and usage conditions. |
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6 * Do ":help credits" in Vim to see a list of people who contributed. |
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7 */ |
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8 |
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9 /* |
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10 * Implements communication through a socket or any file handle. |
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11 */ |
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12 |
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13 #include "vim.h" |
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14 |
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15 #if defined(FEAT_CHANNEL) || defined(PROTO) |
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16 |
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17 /* TRUE when netbeans is running with a GUI. */ |
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18 #ifdef FEAT_GUI |
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19 # define CH_HAS_GUI (gui.in_use || gui.starting) |
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20 #endif |
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21 |
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22 /* Note: when making changes here also adjust configure.in. */ |
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23 #ifdef WIN32 |
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24 /* WinSock API is separated from C API, thus we can't use read(), write(), |
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25 * errno... */ |
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26 # define SOCK_ERRNO errno = WSAGetLastError() |
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27 # undef ECONNREFUSED |
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28 # define ECONNREFUSED WSAECONNREFUSED |
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29 # undef EWOULDBLOCK |
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30 # define EWOULDBLOCK WSAEWOULDBLOCK |
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31 # ifdef EINTR |
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32 # undef EINTR |
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33 # endif |
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34 # define EINTR WSAEINTR |
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35 # define sock_write(sd, buf, len) send((SOCKET)sd, buf, len, 0) |
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36 # define sock_read(sd, buf, len) recv((SOCKET)sd, buf, len, 0) |
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37 # define sock_close(sd) closesocket((SOCKET)sd) |
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38 #else |
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39 # include <netdb.h> |
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40 # include <netinet/in.h> |
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41 |
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42 # include <sys/socket.h> |
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43 # ifdef HAVE_LIBGEN_H |
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44 # include <libgen.h> |
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45 # endif |
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46 # define SOCK_ERRNO |
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47 # define sock_write(sd, buf, len) write(sd, buf, len) |
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48 # define sock_read(sd, buf, len) read(sd, buf, len) |
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49 # define sock_close(sd) close(sd) |
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50 # define fd_read(fd, buf, len) read(fd, buf, len) |
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51 # define fd_write(sd, buf, len) write(sd, buf, len) |
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52 # define fd_close(sd) close(sd) |
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53 #endif |
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54 |
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55 #ifdef FEAT_GUI_W32 |
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56 extern HWND s_hwnd; /* Gvim's Window handle */ |
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57 #endif |
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58 |
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59 #ifdef WIN32 |
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60 static int |
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61 fd_read(sock_T fd, char *buf, size_t len) |
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62 { |
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63 HANDLE h = (HANDLE)fd; |
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64 DWORD nread; |
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65 |
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66 if (!ReadFile(h, buf, (DWORD)len, &nread, NULL)) |
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67 return -1; |
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68 return (int)nread; |
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69 } |
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70 |
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71 static int |
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72 fd_write(sock_T fd, char *buf, size_t len) |
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73 { |
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74 HANDLE h = (HANDLE)fd; |
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75 DWORD nwrite; |
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76 |
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77 if (!WriteFile(h, buf, (DWORD)len, &nwrite, NULL)) |
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78 return -1; |
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79 return (int)nwrite; |
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80 } |
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81 |
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82 static void |
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83 fd_close(sock_T fd) |
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84 { |
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85 HANDLE h = (HANDLE)fd; |
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86 |
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87 CloseHandle(h); |
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88 } |
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89 #endif |
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90 |
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91 /* Log file opened with ch_logfile(). */ |
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92 static FILE *log_fd = NULL; |
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93 |
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94 void |
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95 ch_logfile(FILE *file) |
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96 { |
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97 if (log_fd != NULL) |
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98 fclose(log_fd); |
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99 log_fd = file; |
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100 if (log_fd != NULL) |
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101 fprintf(log_fd, "==== start log session ====\n"); |
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102 } |
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103 |
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104 static void |
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105 ch_log_lead(char *what, channel_T *ch) |
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106 { |
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107 if (log_fd != NULL) |
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108 { |
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109 if (ch != NULL) |
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110 fprintf(log_fd, "%son %d: ", what, ch->ch_id); |
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111 else |
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112 fprintf(log_fd, "%s: ", what); |
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113 } |
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114 } |
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115 |
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116 static void |
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117 ch_log(channel_T *ch, char *msg) |
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118 { |
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119 if (log_fd != NULL) |
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120 { |
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121 ch_log_lead("", ch); |
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122 fputs(msg, log_fd); |
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123 fflush(log_fd); |
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124 } |
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125 } |
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126 |
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127 static void |
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128 ch_logn(channel_T *ch, char *msg, int nr) |
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129 { |
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130 if (log_fd != NULL) |
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131 { |
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132 ch_log_lead("", ch); |
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133 fprintf(log_fd, msg, nr); |
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134 fflush(log_fd); |
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135 } |
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136 } |
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137 |
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138 static void |
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139 ch_logs(channel_T *ch, char *msg, char *name) |
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140 { |
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141 if (log_fd != NULL) |
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142 { |
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143 ch_log_lead("", ch); |
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144 fprintf(log_fd, msg, name); |
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145 fflush(log_fd); |
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146 } |
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147 } |
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148 |
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149 static void |
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150 ch_logsn(channel_T *ch, char *msg, char *name, int nr) |
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151 { |
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152 if (log_fd != NULL) |
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153 { |
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154 ch_log_lead("", ch); |
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155 fprintf(log_fd, msg, name, nr); |
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156 fflush(log_fd); |
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157 } |
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158 } |
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159 |
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160 static void |
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161 ch_error(channel_T *ch, char *msg) |
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162 { |
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163 if (log_fd != NULL) |
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164 { |
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165 ch_log_lead("ERR ", ch); |
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166 fputs(msg, log_fd); |
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167 fflush(log_fd); |
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168 } |
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169 } |
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171 static void |
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172 ch_errorn(channel_T *ch, char *msg, int nr) |
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173 { |
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174 if (log_fd != NULL) |
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175 { |
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176 ch_log_lead("ERR ", ch); |
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177 fprintf(log_fd, msg, nr); |
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178 fflush(log_fd); |
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179 } |
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180 } |
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182 static void |
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183 ch_errors(channel_T *ch, char *msg, char *arg) |
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184 { |
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185 if (log_fd != NULL) |
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186 { |
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187 ch_log_lead("ERR ", ch); |
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188 fprintf(log_fd, msg, arg); |
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189 fflush(log_fd); |
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190 } |
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191 } |
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192 |
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193 #ifdef _WIN32 |
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194 # undef PERROR |
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195 # define PERROR(msg) (void)emsg3((char_u *)"%s: %s", \ |
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196 (char_u *)msg, (char_u *)strerror_win32(errno)) |
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197 |
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198 static char * |
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199 strerror_win32(int eno) |
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200 { |
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201 static LPVOID msgbuf = NULL; |
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202 char_u *ptr; |
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203 |
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204 if (msgbuf) |
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205 LocalFree(msgbuf); |
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206 FormatMessage( |
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207 FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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208 FORMAT_MESSAGE_FROM_SYSTEM | |
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209 FORMAT_MESSAGE_IGNORE_INSERTS, |
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210 NULL, |
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211 eno, |
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212 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), |
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213 (LPTSTR) &msgbuf, |
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214 0, |
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215 NULL); |
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216 /* chomp \r or \n */ |
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217 for (ptr = (char_u *)msgbuf; *ptr; ptr++) |
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218 switch (*ptr) |
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219 { |
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220 case '\r': |
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221 STRMOVE(ptr, ptr + 1); |
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222 ptr--; |
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223 break; |
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224 case '\n': |
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225 if (*(ptr + 1) == '\0') |
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226 *ptr = '\0'; |
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227 else |
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228 *ptr = ' '; |
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229 break; |
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230 } |
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231 return msgbuf; |
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232 } |
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233 #endif |
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234 |
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235 /* |
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236 * The list of all allocated channels. |
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237 */ |
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238 static channel_T *first_channel = NULL; |
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239 static int next_ch_id = 0; |
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240 |
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241 /* |
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242 * Allocate a new channel. The refcount is set to 1. |
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243 * The channel isn't actually used until it is opened. |
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244 * Returns NULL if out of memory. |
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245 */ |
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246 channel_T * |
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247 add_channel(void) |
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248 { |
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249 int which; |
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250 channel_T *channel = (channel_T *)alloc_clear((int)sizeof(channel_T)); |
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251 |
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252 if (channel == NULL) |
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253 return NULL; |
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254 |
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255 channel->ch_id = next_ch_id++; |
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256 ch_log(channel, "Created channel\n"); |
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257 |
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258 #ifdef CHANNEL_PIPES |
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259 for (which = CHAN_SOCK; which <= CHAN_IN; ++which) |
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260 #else |
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261 which = CHAN_SOCK; |
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262 #endif |
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263 { |
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264 channel->ch_pfd[which].ch_fd = CHAN_FD_INVALID; |
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265 #ifdef FEAT_GUI_X11 |
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266 channel->ch_pfd[which].ch_inputHandler = (XtInputId)NULL; |
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267 #endif |
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268 #ifdef FEAT_GUI_GTK |
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269 channel->ch_pfd[which].ch_inputHandler = 0; |
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270 #endif |
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271 #ifdef FEAT_GUI_W32 |
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272 channel->ch_pfd[which].ch_inputHandler = -1; |
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273 #endif |
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274 } |
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275 |
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276 channel->ch_timeout = 2000; |
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277 |
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278 if (first_channel != NULL) |
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279 { |
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280 first_channel->ch_prev = channel; |
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281 channel->ch_next = first_channel; |
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282 } |
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283 first_channel = channel; |
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284 |
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285 channel->ch_refcount = 1; |
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286 return channel; |
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287 } |
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288 |
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289 /* |
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290 * Close a channel and free all its resources. |
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291 */ |
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292 void |
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293 channel_free(channel_T *channel) |
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294 { |
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295 channel_close(channel); |
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296 if (channel->ch_next != NULL) |
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297 channel->ch_next->ch_prev = channel->ch_prev; |
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298 if (channel->ch_prev == NULL) |
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299 first_channel = channel->ch_next; |
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300 else |
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301 channel->ch_prev->ch_next = channel->ch_next; |
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302 vim_free(channel); |
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303 } |
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304 |
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305 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
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306 static channel_T * |
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307 channel_from_id(int id) |
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308 { |
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309 channel_T *channel; |
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310 |
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311 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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312 if (channel->ch_id == id) |
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313 return channel; |
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314 return NULL; |
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315 } |
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316 #endif |
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317 |
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318 #if defined(FEAT_GUI) || defined(PROTO) |
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319 |
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320 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
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321 static void |
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322 channel_read_netbeans(int id) |
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323 { |
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324 channel_T *channel = channel_from_id(id); |
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325 |
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326 if (channel == NULL) |
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327 ch_errorn(NULL, "Channel %d not found", id); |
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328 else |
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329 channel_read(channel, -1, "messageFromNetbeans"); |
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330 } |
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331 #endif |
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332 |
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333 /* |
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334 * Read a command from netbeans. |
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335 */ |
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336 #ifdef FEAT_GUI_X11 |
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337 static void |
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338 messageFromNetbeans(XtPointer clientData, |
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339 int *unused1 UNUSED, |
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340 XtInputId *unused2 UNUSED) |
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341 { |
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342 channel_read_netbeans((int)(long)clientData); |
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343 } |
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344 #endif |
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345 |
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346 #ifdef FEAT_GUI_GTK |
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347 static void |
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348 messageFromNetbeans(gpointer clientData, |
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349 gint unused1 UNUSED, |
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350 GdkInputCondition unused2 UNUSED) |
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351 { |
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352 channel_read_netbeans((int)(long)clientData); |
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353 } |
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354 #endif |
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355 |
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356 static void |
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357 channel_gui_register_one(channel_T *channel, int which) |
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358 { |
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359 # ifdef FEAT_GUI_X11 |
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360 /* Tell notifier we are interested in being called |
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361 * when there is input on the editor connection socket. */ |
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362 if (channel->ch_pfd[which].ch_inputHandler == (XtInputId)NULL) |
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363 channel->ch_pfd[which].ch_inputHandler = XtAppAddInput( |
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364 (XtAppContext)app_context, |
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365 channel->ch_pfd[which].ch_fd, |
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366 (XtPointer)(XtInputReadMask + XtInputExceptMask), |
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367 messageFromNetbeans, |
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368 (XtPointer)(long)channel->ch_id); |
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369 # else |
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370 # ifdef FEAT_GUI_GTK |
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371 /* Tell gdk we are interested in being called when there |
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372 * is input on the editor connection socket. */ |
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373 if (channel->ch_pfd[which].ch_inputHandler == 0) |
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374 channel->ch_pfd[which].ch_inputHandler = gdk_input_add( |
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375 (gint)channel->ch_pfd[which].ch_fd, |
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376 (GdkInputCondition) |
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377 ((int)GDK_INPUT_READ + (int)GDK_INPUT_EXCEPTION), |
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378 messageFromNetbeans, |
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379 (gpointer)(long)channel->ch_id); |
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380 # else |
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381 # ifdef FEAT_GUI_W32 |
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382 /* Tell Windows we are interested in receiving message when there |
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383 * is input on the editor connection socket. */ |
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384 if (channel->ch_pfd[which].ch_inputHandler == -1) |
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385 channel->ch_pfd[which].ch_inputHandler = WSAAsyncSelect( |
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386 channel->ch_pfd[which].ch_fd, |
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387 s_hwnd, WM_NETBEANS, FD_READ); |
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388 # endif |
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389 # endif |
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390 # endif |
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391 } |
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392 |
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393 void |
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394 channel_gui_register(channel_T *channel) |
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395 { |
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396 if (!CH_HAS_GUI) |
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397 return; |
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398 |
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399 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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400 channel_gui_register_one(channel, CHAN_SOCK); |
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401 # ifdef CHANNEL_PIPES |
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402 if (channel->CH_OUT != CHAN_FD_INVALID) |
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403 channel_gui_register_one(channel, CHAN_OUT); |
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404 if (channel->CH_ERR != CHAN_FD_INVALID) |
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405 channel_gui_register_one(channel, CHAN_ERR); |
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406 # endif |
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407 } |
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408 |
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409 /* |
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410 * Register any of our file descriptors with the GUI event handling system. |
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411 * Called when the GUI has started. |
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412 */ |
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413 void |
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414 channel_gui_register_all(void) |
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415 { |
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416 channel_T *channel; |
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417 |
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418 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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419 channel_gui_register(channel); |
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420 } |
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421 |
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422 static void |
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423 channel_gui_unregister(channel_T *channel) |
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424 { |
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425 int which; |
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426 |
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427 #ifdef CHANNEL_PIPES |
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428 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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429 #else |
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430 which = CHAN_SOCK; |
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431 #endif |
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432 { |
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433 # ifdef FEAT_GUI_X11 |
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434 if (channel->ch_pfd[which].ch_inputHandler != (XtInputId)NULL) |
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435 { |
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436 XtRemoveInput(channel->ch_pfd[which].ch_inputHandler); |
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437 channel->ch_pfd[which].ch_inputHandler = (XtInputId)NULL; |
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438 } |
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439 # else |
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440 # ifdef FEAT_GUI_GTK |
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441 if (channel->ch_pfd[which].ch_inputHandler != 0) |
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442 { |
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443 gdk_input_remove(channel->ch_pfd[which].ch_inputHandler); |
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444 channel->ch_pfd[which].ch_inputHandler = 0; |
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445 } |
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446 # else |
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447 # ifdef FEAT_GUI_W32 |
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448 if (channel->ch_pfd[which].ch_inputHandler == 0) |
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449 { |
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450 WSAAsyncSelect(channel->ch_pfd[which].ch_fd, s_hwnd, 0, 0); |
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451 channel->ch_pfd[which].ch_inputHandler = -1; |
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452 } |
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453 # endif |
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454 # endif |
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455 # endif |
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456 } |
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457 } |
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458 |
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459 #endif |
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460 |
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461 static char *e_cannot_connect = N_("E902: Cannot connect to port"); |
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462 |
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463 /* |
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464 * Open a socket channel to "hostname":"port". |
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465 * "waittime" is the time in msec to wait for the connection. |
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466 * When negative wait forever. |
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467 * Returns the channel for success. |
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468 * Returns NULL for failure. |
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469 */ |
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470 channel_T * |
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471 channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void)) |
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472 { |
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473 int sd; |
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474 struct sockaddr_in server; |
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475 struct hostent * host; |
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476 #ifdef WIN32 |
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477 u_short port = port_in; |
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478 u_long val = 1; |
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479 #else |
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480 int port = port_in; |
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481 #endif |
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482 channel_T *channel; |
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483 int ret; |
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484 |
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485 #ifdef WIN32 |
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486 channel_init_winsock(); |
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487 #endif |
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488 |
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489 channel = add_channel(); |
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490 if (channel == NULL) |
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491 { |
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492 ch_error(NULL, "Cannot allocate channel.\n"); |
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493 EMSG(_("E897: All channels are in use")); |
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494 return NULL; |
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495 } |
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496 |
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497 if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) |
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498 { |
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499 ch_error(channel, "in socket() in channel_open().\n"); |
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500 PERROR("E898: socket() in channel_open()"); |
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501 channel_free(channel); |
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502 return NULL; |
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503 } |
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504 |
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505 /* Get the server internet address and put into addr structure */ |
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506 /* fill in the socket address structure and connect to server */ |
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507 vim_memset((char *)&server, 0, sizeof(server)); |
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508 server.sin_family = AF_INET; |
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509 server.sin_port = htons(port); |
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510 if ((host = gethostbyname(hostname)) == NULL) |
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511 { |
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512 ch_error(channel, "in gethostbyname() in channel_open()\n"); |
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513 PERROR("E901: gethostbyname() in channel_open()"); |
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514 sock_close(sd); |
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515 channel_free(channel); |
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516 return NULL; |
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517 } |
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518 memcpy((char *)&server.sin_addr, host->h_addr, host->h_length); |
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519 |
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520 if (waittime >= 0) |
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521 { |
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522 /* Make connect non-blocking. */ |
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523 if ( |
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524 #ifdef _WIN32 |
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525 ioctlsocket(sd, FIONBIO, &val) < 0 |
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526 #else |
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527 fcntl(sd, F_SETFL, O_NONBLOCK) < 0 |
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528 #endif |
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529 ) |
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530 { |
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531 SOCK_ERRNO; |
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532 ch_errorn(channel, "channel_open: Connect failed with errno %d\n", |
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533 errno); |
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534 sock_close(sd); |
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535 channel_free(channel); |
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536 return NULL; |
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537 } |
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538 } |
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539 |
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540 /* Try connecting to the server. */ |
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541 ch_logsn(channel, "Connecting to %s port %d\n", hostname, port); |
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542 ret = connect(sd, (struct sockaddr *)&server, sizeof(server)); |
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543 SOCK_ERRNO; |
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544 if (ret < 0) |
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545 { |
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546 if (errno != EWOULDBLOCK |
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547 #ifdef EINPROGRESS |
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548 && errno != EINPROGRESS |
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549 #endif |
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550 ) |
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551 { |
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552 ch_errorn(channel, "channel_open: Connect failed with errno %d\n", |
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553 errno); |
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554 PERROR(_(e_cannot_connect)); |
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555 sock_close(sd); |
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556 channel_free(channel); |
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557 return NULL; |
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558 } |
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559 } |
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560 |
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561 if (waittime >= 0 && ret < 0) |
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562 { |
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563 struct timeval tv; |
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564 fd_set wfds; |
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565 #if defined(__APPLE__) && __APPLE__ == 1 |
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566 # define PASS_RFDS |
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567 fd_set rfds; |
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568 |
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569 FD_ZERO(&rfds); |
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570 FD_SET(sd, &rfds); |
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571 /* On Mac a zero timeout almost never works. At least wait one |
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572 * millisecond. */ |
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573 if (waittime == 0) |
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574 waittime = 1; |
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575 #endif |
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576 FD_ZERO(&wfds); |
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577 FD_SET(sd, &wfds); |
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578 tv.tv_sec = waittime / 1000; |
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579 tv.tv_usec = (waittime % 1000) * 1000; |
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580 |
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581 ch_logn(channel, "Waiting for connection (timeout %d msec)...\n", |
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582 waittime); |
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583 ret = select((int)sd + 1, |
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584 #ifdef PASS_RFDS |
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585 &rfds, |
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586 #else |
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587 NULL, |
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588 #endif |
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589 &wfds, NULL, &tv); |
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590 |
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591 if (ret < 0) |
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592 { |
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593 SOCK_ERRNO; |
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594 ch_errorn(channel, "channel_open: Connect failed with errno %d\n", |
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595 errno); |
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596 PERROR(_(e_cannot_connect)); |
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597 sock_close(sd); |
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598 channel_free(channel); |
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599 return NULL; |
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600 } |
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601 #ifdef PASS_RFDS |
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602 if (ret == 0 && FD_ISSET(sd, &rfds) && FD_ISSET(sd, &wfds)) |
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603 { |
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604 /* For OS X, this implies error. See tcp(4). */ |
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605 ch_error(channel, "channel_open: Connect failed\n"); |
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606 EMSG(_(e_cannot_connect)); |
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607 sock_close(sd); |
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608 channel_free(channel); |
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609 return NULL; |
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610 } |
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611 #endif |
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612 if (!FD_ISSET(sd, &wfds)) |
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613 { |
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614 /* don't give an error, we just timed out. */ |
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615 ch_error(channel, "Connection timed out\n"); |
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616 sock_close(sd); |
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617 channel_free(channel); |
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618 return NULL; |
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619 } |
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620 ch_log(channel, "Connection made\n"); |
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621 } |
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622 |
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623 if (waittime >= 0) |
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624 { |
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625 #ifdef _WIN32 |
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626 val = 0; |
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627 ioctlsocket(sd, FIONBIO, &val); |
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628 #else |
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629 (void)fcntl(sd, F_SETFL, 0); |
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630 #endif |
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631 } |
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632 |
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633 /* Only retry for netbeans. TODO: can we use a waittime instead? */ |
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634 if (errno == ECONNREFUSED && close_cb != NULL) |
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635 { |
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636 sock_close(sd); |
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637 if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) |
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638 { |
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639 SOCK_ERRNO; |
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640 ch_log(channel, "socket() retry in channel_open()\n"); |
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641 PERROR("E900: socket() retry in channel_open()"); |
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642 channel_free(channel); |
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643 return NULL; |
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644 } |
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645 if (connect(sd, (struct sockaddr *)&server, sizeof(server))) |
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646 { |
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647 int retries = 36; |
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648 int success = FALSE; |
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649 |
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650 SOCK_ERRNO; |
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651 while (retries-- && ((errno == ECONNREFUSED) |
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652 || (errno == EINTR))) |
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653 { |
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654 ch_log(channel, "retrying...\n"); |
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655 mch_delay(3000L, TRUE); |
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656 ui_breakcheck(); |
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657 if (got_int) |
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658 { |
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659 errno = EINTR; |
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660 break; |
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661 } |
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662 if (connect(sd, (struct sockaddr *)&server, |
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663 sizeof(server)) == 0) |
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664 { |
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665 success = TRUE; |
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666 break; |
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667 } |
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668 SOCK_ERRNO; |
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669 } |
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670 if (!success) |
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671 { |
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672 /* Get here when the server can't be found. */ |
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673 ch_error(channel, "Cannot connect to port after retry\n"); |
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674 PERROR(_("E899: Cannot connect to port after retry")); |
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675 sock_close(sd); |
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676 channel_free(channel); |
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677 return NULL; |
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678 } |
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679 } |
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680 } |
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681 |
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682 channel->CH_SOCK = (sock_T)sd; |
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683 channel->ch_close_cb = close_cb; |
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684 |
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685 #ifdef FEAT_GUI |
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686 channel_gui_register(channel); |
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687 #endif |
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688 |
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689 return channel; |
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690 } |
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691 |
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692 #if defined(CHANNEL_PIPES) || defined(PROTO) |
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693 void |
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694 channel_set_pipes(channel_T *channel, sock_T in, sock_T out, sock_T err) |
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695 { |
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696 channel->CH_IN = in; |
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697 channel->CH_OUT = out; |
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698 channel->CH_ERR = err; |
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699 } |
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700 #endif |
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701 |
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702 void |
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703 channel_set_job(channel_T *channel, job_T *job) |
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704 { |
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705 channel->ch_job = job; |
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706 } |
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707 |
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708 /* |
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709 * Set the mode of channel "channel" to "mode". |
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710 */ |
3f2e0b62003d
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|
711 void |
8084
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|
712 channel_set_mode(channel_T *channel, ch_mode_T mode) |
7935
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|
713 { |
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changeset
|
714 channel->ch_mode = mode; |
7935
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|
715 } |
3f2e0b62003d
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Christian Brabandt <cb@256bit.org>
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|
716 |
3f2e0b62003d
commit https://github.com/vim/vim/commit/4d919d748e4e435edb135aa5ccf6ee7de9212023
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|
717 /* |
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|
718 * Set the read timeout of channel "channel". |
7788
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719 */ |
192ae655ac91
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changeset
|
720 void |
8041
c6443e78cf2d
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|
721 channel_set_timeout(channel_T *channel, int timeout) |
7788
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722 { |
8041
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|
723 channel->ch_timeout = timeout; |
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724 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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changeset
|
725 |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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|
726 /* |
8041
c6443e78cf2d
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|
727 * Set the callback for channel "channel". |
7788
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changeset
|
728 */ |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
729 void |
8041
c6443e78cf2d
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|
730 channel_set_callback(channel_T *channel, char_u *callback) |
7788
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731 { |
8041
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732 vim_free(channel->ch_callback); |
c6443e78cf2d
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733 channel->ch_callback = vim_strsave(callback); |
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734 } |
ece323e2b57f
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|
735 |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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changeset
|
736 /* |
8094
18a3f0f05244
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737 * Set various properties from an "options" argument. |
18a3f0f05244
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738 */ |
18a3f0f05244
commit https://github.com/vim/vim/commit/910b8aac5dc4693c4508b7acd2cef0bbfac04242
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|
739 void |
18a3f0f05244
commit https://github.com/vim/vim/commit/910b8aac5dc4693c4508b7acd2cef0bbfac04242
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|
740 channel_set_options(channel_T *channel, jobopt_T *options) |
18a3f0f05244
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741 { |
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|
742 channel_set_mode(channel, options->jo_mode); |
18a3f0f05244
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743 |
18a3f0f05244
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744 if (options->jo_callback != NULL && *options->jo_callback != NUL) |
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745 channel_set_callback(channel, options->jo_callback); |
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746 } |
18a3f0f05244
commit https://github.com/vim/vim/commit/910b8aac5dc4693c4508b7acd2cef0bbfac04242
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|
747 |
18a3f0f05244
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748 /* |
8041
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749 * Set the callback for channel "channel" for the response with "id". |
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750 */ |
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751 void |
8041
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changeset
|
752 channel_set_req_callback(channel_T *channel, char_u *callback, int id) |
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753 { |
8041
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|
754 cbq_T *head = &channel->ch_cb_head; |
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755 cbq_T *item = (cbq_T *)alloc((int)sizeof(cbq_T)); |
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|
756 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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changeset
|
757 if (item != NULL) |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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758 { |
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|
759 item->cq_callback = vim_strsave(callback); |
c6443e78cf2d
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changeset
|
760 item->cq_seq_nr = id; |
c6443e78cf2d
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761 item->cq_prev = head->cq_prev; |
c6443e78cf2d
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|
762 head->cq_prev = item; |
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|
763 item->cq_next = NULL; |
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diff
changeset
|
764 if (item->cq_prev == NULL) |
c6443e78cf2d
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|
765 head->cq_next = item; |
c6443e78cf2d
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diff
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|
766 else |
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changeset
|
767 item->cq_prev->cq_next = item; |
7933
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768 } |
7788
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769 } |
192ae655ac91
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
770 |
192ae655ac91
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Christian Brabandt <cb@256bit.org>
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|
771 /* |
8041
c6443e78cf2d
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|
772 * Invoke the "callback" on channel "channel". |
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773 */ |
192ae655ac91
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Christian Brabandt <cb@256bit.org>
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|
774 static void |
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|
775 invoke_callback(channel_T *channel, char_u *callback, typval_T *argv) |
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|
776 { |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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changeset
|
777 typval_T rettv; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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changeset
|
778 int dummy; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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changeset
|
779 |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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|
780 argv[0].v_type = VAR_CHANNEL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
781 argv[0].vval.v_channel = channel; |
7788
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diff
changeset
|
782 |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
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changeset
|
783 call_func(callback, (int)STRLEN(callback), |
28f569c7dab9
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changeset
|
784 &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL); |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
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changeset
|
785 /* If an echo command was used the cursor needs to be put back where |
28f569c7dab9
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changeset
|
786 * it belongs. */ |
28f569c7dab9
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787 setcursor(); |
28f569c7dab9
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|
788 cursor_on(); |
28f569c7dab9
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changeset
|
789 out_flush(); |
28f569c7dab9
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diff
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|
790 } |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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diff
changeset
|
791 |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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|
792 /* |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
793 * Return the first buffer from the channel and remove it. |
17e6ff1a74f1
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diff
changeset
|
794 * The caller must free it. |
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795 * Returns NULL if there is nothing. |
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796 */ |
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797 char_u * |
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798 channel_get(channel_T *channel) |
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799 { |
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800 readq_T *head = &channel->ch_head; |
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801 readq_T *node = head->rq_next; |
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802 char_u *p; |
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803 |
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804 if (node == NULL) |
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805 return NULL; |
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806 /* dispose of the node but keep the buffer */ |
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807 p = node->rq_buffer; |
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808 head->rq_next = node->rq_next; |
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809 if (node->rq_next == NULL) |
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810 head->rq_prev = NULL; |
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811 else |
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812 node->rq_next->rq_prev = NULL; |
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813 vim_free(node); |
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814 return p; |
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815 } |
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816 |
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817 /* |
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818 * Returns the whole buffer contents concatenated. |
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819 */ |
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820 static char_u * |
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821 channel_get_all(channel_T *channel) |
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822 { |
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823 /* Concatenate everything into one buffer. |
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824 * TODO: avoid multiple allocations. */ |
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825 while (channel_collapse(channel) == OK) |
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826 ; |
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827 return channel_get(channel); |
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828 } |
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829 |
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830 /* |
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831 * Collapses the first and second buffer in the channel "channel". |
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832 * Returns FAIL if that is not possible. |
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833 */ |
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834 int |
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835 channel_collapse(channel_T *channel) |
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836 { |
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837 readq_T *head = &channel->ch_head; |
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838 readq_T *node = head->rq_next; |
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839 char_u *p; |
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840 |
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841 if (node == NULL || node->rq_next == NULL) |
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842 return FAIL; |
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843 |
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844 p = alloc((unsigned)(STRLEN(node->rq_buffer) |
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845 + STRLEN(node->rq_next->rq_buffer) + 1)); |
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846 if (p == NULL) |
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847 return FAIL; /* out of memory */ |
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848 STRCPY(p, node->rq_buffer); |
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849 STRCAT(p, node->rq_next->rq_buffer); |
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850 vim_free(node->rq_next->rq_buffer); |
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851 node->rq_next->rq_buffer = p; |
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852 |
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853 /* dispose of the node and its buffer */ |
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854 head->rq_next = node->rq_next; |
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855 head->rq_next->rq_prev = NULL; |
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856 vim_free(node->rq_buffer); |
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857 vim_free(node); |
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858 return OK; |
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859 } |
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860 |
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861 /* |
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862 * Use the read buffer of channel "channel" and parse a JSON messages that is |
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863 * complete. The messages are added to the queue. |
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864 * Return TRUE if there is more to read. |
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865 */ |
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866 static int |
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867 channel_parse_json(channel_T *channel) |
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868 { |
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869 js_read_T reader; |
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870 typval_T listtv; |
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871 jsonq_T *item; |
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872 jsonq_T *head = &channel->ch_json_head; |
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873 int ret; |
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874 |
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875 if (channel_peek(channel) == NULL) |
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876 return FALSE; |
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877 |
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878 /* TODO: make reader work properly */ |
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879 /* reader.js_buf = channel_peek(channel); */ |
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880 reader.js_buf = channel_get_all(channel); |
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881 reader.js_used = 0; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7872
diff
changeset
|
882 reader.js_fill = NULL; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
883 /* reader.js_fill = channel_fill; */ |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
884 reader.js_cookie = channel; |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
885 ret = json_decode(&reader, &listtv, |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
886 channel->ch_mode == MODE_JS ? JSON_JS : 0); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
887 if (ret == OK) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
888 { |
7937
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
Christian Brabandt <cb@256bit.org>
parents:
7935
diff
changeset
|
889 /* Only accept the response when it is a list with at least two |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
Christian Brabandt <cb@256bit.org>
parents:
7935
diff
changeset
|
890 * items. */ |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
Christian Brabandt <cb@256bit.org>
parents:
7935
diff
changeset
|
891 if (listtv.v_type != VAR_LIST || listtv.vval.v_list->lv_len < 2) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
892 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
893 /* TODO: give error */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
894 clear_tv(&listtv); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
895 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
896 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
897 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
898 item = (jsonq_T *)alloc((unsigned)sizeof(jsonq_T)); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
899 if (item == NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
900 clear_tv(&listtv); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
901 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
902 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
903 item->jq_value = alloc_tv(); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
904 if (item->jq_value == NULL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
905 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
906 vim_free(item); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
907 clear_tv(&listtv); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
908 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
909 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
910 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
911 *item->jq_value = listtv; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
912 item->jq_prev = head->jq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
913 head->jq_prev = item; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
914 item->jq_next = NULL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
915 if (item->jq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
916 head->jq_next = item; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
917 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
918 item->jq_prev->jq_next = item; |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
919 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
920 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
921 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
922 } |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
923 |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
924 /* Put the unread part back into the channel. |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
925 * TODO: insert in front */ |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
926 if (reader.js_buf[reader.js_used] != NUL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
927 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
928 channel_save(channel, reader.js_buf + reader.js_used, |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
929 (int)(reader.js_end - reader.js_buf) - reader.js_used); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
930 ret = TRUE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
931 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
932 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
933 ret = FALSE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
934 |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
935 vim_free(reader.js_buf); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
936 return ret; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
937 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
938 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
939 /* |
8074
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
8072
diff
changeset
|
940 * Remove "node" from the queue that it is in. Does not free it. |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
941 */ |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
942 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
943 remove_cb_node(cbq_T *head, cbq_T *node) |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
944 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
945 if (node->cq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
946 head->cq_next = node->cq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
947 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
948 node->cq_prev->cq_next = node->cq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
949 if (node->cq_next == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
950 head->cq_prev = node->cq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
951 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
952 node->cq_next->cq_prev = node->cq_prev; |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
953 } |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
954 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
955 /* |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
956 * Remove "node" from the queue that it is in and free it. |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
957 * Caller should have freed or used node->jq_value. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
958 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
959 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
960 remove_json_node(jsonq_T *head, jsonq_T *node) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
961 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
962 if (node->jq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
963 head->jq_next = node->jq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
964 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
965 node->jq_prev->jq_next = node->jq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
966 if (node->jq_next == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
967 head->jq_prev = node->jq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
968 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
969 node->jq_next->jq_prev = node->jq_prev; |
7868
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970 vim_free(node); |
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971 } |
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972 |
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973 /* |
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974 * Get a message from the JSON queue for channel "channel". |
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975 * When "id" is positive it must match the first number in the list. |
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976 * When "id" is zero or negative jut get the first message. But not the one |
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977 * with id ch_block_id. |
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978 * Return OK when found and return the value in "rettv". |
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979 * Return FAIL otherwise. |
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980 */ |
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981 static int |
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982 channel_get_json(channel_T *channel, int id, typval_T **rettv) |
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983 { |
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984 jsonq_T *head = &channel->ch_json_head; |
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985 jsonq_T *item = head->jq_next; |
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986 |
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987 while (item != NULL) |
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988 { |
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989 list_T *l = item->jq_value->vval.v_list; |
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990 typval_T *tv = &l->lv_first->li_tv; |
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991 |
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992 if ((id > 0 && tv->v_type == VAR_NUMBER && tv->vval.v_number == id) |
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993 || (id <= 0 && (tv->v_type != VAR_NUMBER |
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994 || tv->vval.v_number == 0 |
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995 || tv->vval.v_number != channel->ch_block_id))) |
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996 { |
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997 *rettv = item->jq_value; |
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998 remove_json_node(head, item); |
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999 return OK; |
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1000 } |
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1001 item = item->jq_next; |
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1002 } |
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1003 return FAIL; |
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1004 } |
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1005 |
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1006 /* |
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1007 * Execute a command received over channel "channel". |
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1008 * "cmd" is the command string, "arg2" the second argument. |
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1009 * "arg3" is the third argument, NULL if missing. |
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1010 */ |
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1011 static void |
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1012 channel_exe_cmd(channel_T *channel, char_u *cmd, typval_T *arg2, typval_T *arg3) |
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1013 { |
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1014 char_u *arg; |
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1015 |
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1016 if (arg2->v_type != VAR_STRING) |
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1017 { |
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1018 if (p_verbose > 2) |
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1019 EMSG("E903: received ex command with non-string argument"); |
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1020 return; |
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1021 } |
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1022 arg = arg2->vval.v_string; |
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1023 if (arg == NULL) |
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1024 arg = (char_u *)""; |
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1025 |
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1026 if (STRCMP(cmd, "ex") == 0) |
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1027 { |
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1028 do_cmdline_cmd(arg); |
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1029 } |
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1030 else if (STRCMP(cmd, "normal") == 0) |
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1031 { |
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1032 exarg_T ea; |
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1033 |
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1034 ea.arg = arg; |
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1035 ea.addr_count = 0; |
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1036 ea.forceit = TRUE; /* no mapping */ |
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1037 ex_normal(&ea); |
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1038 } |
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1039 else if (STRCMP(cmd, "redraw") == 0) |
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1040 { |
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1041 exarg_T ea; |
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1042 |
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1043 ea.forceit = *arg != NUL; |
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1044 ex_redraw(&ea); |
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1045 showruler(FALSE); |
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1046 setcursor(); |
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1047 out_flush(); |
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1048 #ifdef FEAT_GUI |
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1049 if (gui.in_use) |
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1050 { |
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1051 gui_update_cursor(FALSE, FALSE); |
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1052 gui_mch_flush(); |
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1053 } |
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1054 #endif |
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1055 } |
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1056 else if (STRCMP(cmd, "expr") == 0 || STRCMP(cmd, "eval") == 0) |
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1057 { |
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1058 int is_eval = cmd[1] == 'v'; |
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1059 |
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1060 if (is_eval && (arg3 == NULL || arg3->v_type != VAR_NUMBER)) |
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1061 { |
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1062 if (p_verbose > 2) |
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1063 EMSG("E904: third argument for eval must be a number"); |
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1064 } |
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1065 else |
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1066 { |
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1067 typval_T *tv; |
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1068 typval_T err_tv; |
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1069 char_u *json = NULL; |
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1070 int options = channel->ch_mode == MODE_JS ? JSON_JS : 0; |
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1071 |
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1072 /* Don't pollute the display with errors. */ |
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1073 ++emsg_skip; |
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1074 tv = eval_expr(arg, NULL); |
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1075 if (is_eval) |
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1076 { |
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1077 if (tv != NULL) |
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1078 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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1079 options); |
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1080 if (tv == NULL || (json != NULL && *json == NUL)) |
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1081 { |
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1082 /* If evaluation failed or the result can't be encoded |
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1083 * then return the string "ERROR". */ |
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1084 vim_free(json); |
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1085 free_tv(tv); |
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1086 err_tv.v_type = VAR_STRING; |
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1087 err_tv.vval.v_string = (char_u *)"ERROR"; |
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1088 tv = &err_tv; |
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1089 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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1090 options); |
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1091 } |
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1092 if (json != NULL) |
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1093 { |
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1094 channel_send(channel, json, "eval"); |
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1095 vim_free(json); |
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1096 } |
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1097 } |
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1098 --emsg_skip; |
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1099 if (tv != &err_tv) |
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1100 free_tv(tv); |
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1101 } |
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1102 } |
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1103 else if (p_verbose > 2) |
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1104 EMSG2("E905: received unknown command: %s", cmd); |
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1105 } |
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1106 |
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1107 /* |
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1108 * Invoke a callback for channel "channel" if needed. |
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1109 * TODO: add "which" argument, read stderr. |
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1110 * Return TRUE when a message was handled, there might be another one. |
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1111 */ |
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1112 static int |
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1113 may_invoke_callback(channel_T *channel) |
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1114 { |
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1115 char_u *msg = NULL; |
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1116 typval_T *listtv = NULL; |
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1117 list_T *list; |
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1118 typval_T *typetv; |
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1119 typval_T argv[3]; |
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1120 int seq_nr = -1; |
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1121 ch_mode_T ch_mode = channel->ch_mode; |
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1122 |
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1123 if (channel->ch_close_cb != NULL) |
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1124 /* this channel is handled elsewhere (netbeans) */ |
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1125 return FALSE; |
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1126 |
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1127 if (ch_mode == MODE_JSON || ch_mode == MODE_JS) |
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1128 { |
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1129 /* Get any json message in the queue. */ |
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1130 if (channel_get_json(channel, -1, &listtv) == FAIL) |
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1131 { |
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1132 /* Parse readahead, return when there is still no message. */ |
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1133 channel_parse_json(channel); |
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1134 if (channel_get_json(channel, -1, &listtv) == FAIL) |
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1135 return FALSE; |
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1136 } |
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1137 |
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1138 list = listtv->vval.v_list; |
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|
1139 argv[1] = list->lv_first->li_next->li_tv; |
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|
1140 typetv = &list->lv_first->li_tv; |
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|
1141 if (typetv->v_type == VAR_STRING) |
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|
1142 { |
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|
1143 typval_T *arg3 = NULL; |
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|
1144 char_u *cmd = typetv->vval.v_string; |
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|
1145 |
7918
ce5a7a613867
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|
1146 /* ["cmd", arg] or ["cmd", arg, arg] */ |
7868
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|
1147 if (list->lv_len == 3) |
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|
1148 arg3 = &list->lv_last->li_tv; |
8041
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|
1149 ch_logs(channel, "Executing %s command", (char *)cmd); |
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|
1150 channel_exe_cmd(channel, cmd, &argv[1], arg3); |
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|
1151 free_tv(listtv); |
7885
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|
1152 return TRUE; |
7868
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|
1153 } |
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|
1154 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
1155 if (typetv->v_type != VAR_NUMBER) |
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|
1156 { |
8041
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|
1157 ch_error(channel, |
8031
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|
1158 "Dropping message with invalid sequence number type\n"); |
8041
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|
1159 free_tv(listtv); |
7885
6e6f829af138
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|
1160 return FALSE; |
7868
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|
1161 } |
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|
1162 seq_nr = typetv->vval.v_number; |
7840
28f569c7dab9
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|
1163 } |
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|
1164 else if (channel_peek(channel) == NULL) |
7899
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1165 { |
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|
1166 /* nothing to read on RAW or NL channel */ |
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1167 return FALSE; |
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1168 } |
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1169 else |
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|
1170 { |
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1171 /* If there is no callback drop the message. */ |
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1172 if (channel->ch_callback == NULL) |
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|
1173 { |
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|
1174 while ((msg = channel_get(channel)) != NULL) |
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|
1175 vim_free(msg); |
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|
1176 return FALSE; |
8084
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1177 } |
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1178 |
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|
1179 if (ch_mode == MODE_NL) |
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|
1180 { |
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|
1181 char_u *nl; |
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|
1182 char_u *buf; |
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1183 |
8084
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|
1184 /* See if we have a message ending in NL in the first buffer. If |
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|
1185 * not try to concatenate the first and the second buffer. */ |
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|
1186 while (TRUE) |
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|
1187 { |
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|
1188 buf = channel_peek(channel); |
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|
1189 nl = vim_strchr(buf, NL); |
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|
1190 if (nl != NULL) |
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|
1191 break; |
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|
1192 if (channel_collapse(channel) == FAIL) |
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|
1193 return FALSE; /* incomplete message */ |
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1194 } |
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|
1195 if (nl[1] == NUL) |
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|
1196 /* get the whole buffer */ |
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|
1197 msg = channel_get(channel); |
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1198 else |
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1199 { |
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|
1200 /* Copy the message into allocated memory and remove it from |
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1201 * the buffer. */ |
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1202 msg = vim_strnsave(buf, (int)(nl - buf)); |
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1203 mch_memmove(buf, nl + 1, STRLEN(nl + 1) + 1); |
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1204 } |
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|
1205 } |
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1206 else |
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1207 /* For a raw channel we don't know where the message ends, just |
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1208 * get everything we have. */ |
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1209 msg = channel_get_all(channel); |
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1210 |
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1211 argv[1].v_type = VAR_STRING; |
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1212 argv[1].vval.v_string = msg; |
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1213 } |
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1214 |
7933
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1215 if (seq_nr > 0) |
7788
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1216 { |
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|
1217 cbq_T *head = &channel->ch_cb_head; |
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1218 cbq_T *item = head->cq_next; |
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1219 int done = FALSE; |
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1220 |
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1221 /* invoke the one-time callback with the matching nr */ |
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1222 while (item != NULL) |
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1223 { |
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1224 if (item->cq_seq_nr == seq_nr) |
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1225 { |
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|
1226 ch_log(channel, "Invoking one-time callback\n"); |
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|
1227 /* Remove the item from the list first, if the callback |
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|
1228 * invokes ch_close() the list will be cleared. */ |
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|
1229 remove_cb_node(head, item); |
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|
1230 invoke_callback(channel, item->cq_callback, argv); |
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|
1231 vim_free(item->cq_callback); |
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|
1232 vim_free(item); |
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1233 done = TRUE; |
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|
1234 break; |
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1235 } |
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|
1236 item = item->cq_next; |
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1237 } |
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1238 if (!done) |
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|
1239 ch_log(channel, "Dropping message without callback\n"); |
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1240 } |
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|
1241 else if (channel->ch_callback != NULL) |
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1242 { |
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|
1243 /* invoke the channel callback */ |
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1244 ch_log(channel, "Invoking channel callback\n"); |
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1245 invoke_callback(channel, channel->ch_callback, argv); |
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1246 } |
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1247 else |
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1248 ch_log(channel, "Dropping message\n"); |
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1249 |
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1250 if (listtv != NULL) |
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|
1251 free_tv(listtv); |
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1252 vim_free(msg); |
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1253 |
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1254 return TRUE; |
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1255 } |
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1256 |
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1257 /* |
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1258 * Return TRUE when channel "channel" is open for writing to. |
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1259 * Also returns FALSE or invalid "channel". |
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1260 */ |
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|
1261 int |
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1262 channel_can_write_to(channel_T *channel) |
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1263 { |
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1264 return channel != NULL && (channel->CH_SOCK != CHAN_FD_INVALID |
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1265 #ifdef CHANNEL_PIPES |
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1266 || channel->CH_IN != CHAN_FD_INVALID |
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1267 #endif |
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1268 ); |
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1269 } |
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1270 |
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1271 /* |
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1272 * Return TRUE when channel "channel" is open for reading or writing. |
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1273 * Also returns FALSE for invalid "channel". |
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1274 */ |
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1275 int |
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1276 channel_is_open(channel_T *channel) |
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1277 { |
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1278 return channel != NULL && (channel->CH_SOCK != CHAN_FD_INVALID |
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1279 #ifdef CHANNEL_PIPES |
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1280 || channel->CH_IN != CHAN_FD_INVALID |
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1281 || channel->CH_OUT != CHAN_FD_INVALID |
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1282 || channel->CH_ERR != CHAN_FD_INVALID |
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1283 #endif |
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1284 ); |
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1285 } |
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1286 |
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1287 /* |
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1288 * Return a string indicating the status of the channel. |
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1289 */ |
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1290 char * |
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1291 channel_status(channel_T *channel) |
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1292 { |
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1293 if (channel == NULL) |
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1294 return "fail"; |
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1295 if (channel_is_open(channel)) |
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1296 return "open"; |
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1297 return "closed"; |
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1298 } |
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1299 |
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1300 /* |
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1301 * Close channel "channel". |
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1302 * This does not trigger the close callback. |
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1303 */ |
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1304 void |
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1305 channel_close(channel_T *channel) |
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1306 { |
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1307 ch_log(channel, "Closing channel\n"); |
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1308 |
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1309 #ifdef FEAT_GUI |
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1310 channel_gui_unregister(channel); |
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1311 #endif |
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1312 |
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1313 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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|
1314 { |
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|
1315 sock_close(channel->CH_SOCK); |
8059
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|
1316 channel->CH_SOCK = CHAN_FD_INVALID; |
7743
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|
1317 } |
8031
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|
1318 #if defined(CHANNEL_PIPES) |
8059
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|
1319 if (channel->CH_IN != CHAN_FD_INVALID) |
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Christian Brabandt <cb@256bit.org>
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|
1320 { |
8059
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commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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|
1321 fd_close(channel->CH_IN); |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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|
1322 channel->CH_IN = CHAN_FD_INVALID; |
8031
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Christian Brabandt <cb@256bit.org>
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|
1323 } |
8059
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commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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diff
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|
1324 if (channel->CH_OUT != CHAN_FD_INVALID) |
8031
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Christian Brabandt <cb@256bit.org>
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|
1325 { |
8059
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commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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diff
changeset
|
1326 fd_close(channel->CH_OUT); |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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|
1327 channel->CH_OUT = CHAN_FD_INVALID; |
8031
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|
1328 } |
8059
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|
1329 if (channel->CH_ERR != CHAN_FD_INVALID) |
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|
1330 { |
8059
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commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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|
1331 fd_close(channel->CH_ERR); |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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|
1332 channel->CH_ERR = CHAN_FD_INVALID; |
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Christian Brabandt <cb@256bit.org>
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|
1333 } |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
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|
1334 #endif |
8049
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commit https://github.com/vim/vim/commit/16eb4f88000cfdba68df6c421fe44e7e029ba53e
Christian Brabandt <cb@256bit.org>
parents:
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|
1335 |
15253130abd8
commit https://github.com/vim/vim/commit/16eb4f88000cfdba68df6c421fe44e7e029ba53e
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diff
changeset
|
1336 channel->ch_close_cb = NULL; |
8041
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|
1337 channel_clear(channel); |
7743
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|
1338 } |
6069f43cea4e
commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
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|
1339 |
7770
42c1a4e63d12
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|
1340 /* |
8041
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|
1341 * Store "buf[len]" on channel "channel". |
7795
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|
1342 * Returns OK or FAIL. |
7770
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|
1343 */ |
7795
4f23088b47ea
commit https://github.com/vim/vim/commit/83162468b3c8722fffea033d3de144cd4191472a
Christian Brabandt <cb@256bit.org>
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changeset
|
1344 int |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
1345 channel_save(channel_T *channel, char_u *buf, int len) |
7770
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|
1346 { |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
1347 readq_T *node; |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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|
1348 readq_T *head = &channel->ch_head; |
8062
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|
1349 char_u *p; |
7fe3b9dc132b
commit https://github.com/vim/vim/commit/2368917d8f0c0a997eac7a51ddfaa748dc528392
Christian Brabandt <cb@256bit.org>
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|
1350 int i; |
7770
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|
1351 |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
1352 node = (readq_T *)alloc(sizeof(readq_T)); |
7770
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|
1353 if (node == NULL) |
7795
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|
1354 return FAIL; /* out of memory */ |
8041
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|
1355 node->rq_buffer = alloc(len + 1); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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|
1356 if (node->rq_buffer == NULL) |
7770
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|
1357 { |
42c1a4e63d12
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changeset
|
1358 vim_free(node); |
7795
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|
1359 return FAIL; /* out of memory */ |
7770
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|
1360 } |
8062
7fe3b9dc132b
commit https://github.com/vim/vim/commit/2368917d8f0c0a997eac7a51ddfaa748dc528392
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parents:
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|
1361 |
8084
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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diff
changeset
|
1362 if (channel->ch_mode == MODE_NL) |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1363 { |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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changeset
|
1364 /* Drop any CR before a NL. */ |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1365 p = node->rq_buffer; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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diff
changeset
|
1366 for (i = 0; i < len; ++i) |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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parents:
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diff
changeset
|
1367 if (buf[i] != CAR || i + 1 >= len || buf[i + 1] != NL) |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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diff
changeset
|
1368 *p++ = buf[i]; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1369 *p = NUL; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1370 } |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1371 else |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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parents:
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diff
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|
1372 { |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
1373 mch_memmove(node->rq_buffer, buf, len); |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1374 node->rq_buffer[len] = NUL; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1375 } |
7770
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1376 |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
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changeset
|
1377 /* append node to the tail of the queue */ |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
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changeset
|
1378 node->rq_next = NULL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1379 node->rq_prev = head->rq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1380 if (head->rq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
1381 head->rq_next = node; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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|
1382 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
1383 head->rq_prev->rq_next = node; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1384 head->rq_prev = node; |
7770
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parents:
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diff
changeset
|
1385 |
8031
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parents:
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changeset
|
1386 if (log_fd != NULL) |
7770
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|
1387 { |
8041
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parents:
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changeset
|
1388 ch_log_lead("RECV ", channel); |
8031
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|
1389 fprintf(log_fd, "'"); |
ece323e2b57f
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|
1390 if (fwrite(buf, len, 1, log_fd) != 1) |
7795
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diff
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|
1391 return FAIL; |
8031
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|
1392 fprintf(log_fd, "'\n"); |
7770
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|
1393 } |
7795
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commit https://github.com/vim/vim/commit/83162468b3c8722fffea033d3de144cd4191472a
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diff
changeset
|
1394 return OK; |
7770
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diff
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|
1395 } |
42c1a4e63d12
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parents:
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changeset
|
1396 |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents:
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|
1397 /* |
42c1a4e63d12
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changeset
|
1398 * Return the first buffer from the channel without removing it. |
42c1a4e63d12
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|
1399 * Returns NULL if there is nothing. |
42c1a4e63d12
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|
1400 */ |
42c1a4e63d12
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|
1401 char_u * |
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1402 channel_peek(channel_T *channel) |
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1403 { |
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1404 readq_T *head = &channel->ch_head; |
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1405 |
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|
1406 if (head->rq_next == NULL) |
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1407 return NULL; |
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1408 return head->rq_next->rq_buffer; |
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1409 } |
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1410 |
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1411 /* |
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1412 * Clear the read buffer on channel "channel". |
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1413 */ |
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1414 void |
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1415 channel_clear(channel_T *channel) |
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1416 { |
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1417 jsonq_T *json_head = &channel->ch_json_head; |
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1418 cbq_T *cb_head = &channel->ch_cb_head; |
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1419 |
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1420 while (channel_peek(channel) != NULL) |
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1421 vim_free(channel_get(channel)); |
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1422 |
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1423 while (cb_head->cq_next != NULL) |
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1424 { |
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1425 cbq_T *node = cb_head->cq_next; |
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1426 |
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1427 remove_cb_node(cb_head, node); |
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1428 vim_free(node->cq_callback); |
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|
1429 vim_free(node); |
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1430 } |
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1431 |
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1432 while (json_head->jq_next != NULL) |
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1433 { |
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1434 free_tv(json_head->jq_next->jq_value); |
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1435 remove_json_node(json_head, json_head->jq_next); |
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1436 } |
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1437 |
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1438 vim_free(channel->ch_callback); |
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1439 channel->ch_callback = NULL; |
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1440 } |
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1441 |
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1442 #if defined(EXITFREE) || defined(PROTO) |
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1443 void |
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1444 channel_free_all(void) |
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1445 { |
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1446 channel_T *channel; |
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1447 |
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1448 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1449 channel_clear(channel); |
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1450 } |
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1451 #endif |
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1452 |
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1453 |
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1454 /* Sent when the channel is found closed when reading. */ |
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1455 #define DETACH_MSG "\"DETACH\"\n" |
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1456 |
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|
1457 /* Buffer size for reading incoming messages. */ |
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|
1458 #define MAXMSGSIZE 4096 |
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|
1459 |
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1460 /* |
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1461 * Check for reading from "fd" with "timeout" msec. |
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1462 * Return FAIL when there is nothing to read. |
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1463 * Always returns OK for FEAT_GUI_W32. |
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1464 */ |
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|
1465 static int |
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|
1466 channel_wait(channel_T *channel, sock_T fd, int timeout) |
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1467 { |
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1468 #if defined(HAVE_SELECT) && !defined(FEAT_GUI_W32) |
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1469 struct timeval tval; |
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1470 fd_set rfds; |
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1471 int ret; |
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1472 |
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1473 if (timeout > 0) |
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1474 ch_logn(channel, "Waiting for up to %d msec\n", timeout); |
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1475 |
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1476 |
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1477 # ifdef WIN32 |
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1478 if (channel->CH_SOCK == CHAN_FD_INVALID) |
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1479 { |
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1480 DWORD nread; |
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1481 int diff; |
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1482 DWORD deadline = GetTickCount() + timeout; |
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1483 |
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1484 /* reading from a pipe, not a socket */ |
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1485 while (TRUE) |
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1486 { |
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1487 if (PeekNamedPipe((HANDLE)fd, NULL, 0, NULL, &nread, NULL) |
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1488 && nread > 0) |
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1489 return OK; |
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commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1490 diff = deadline - GetTickCount(); |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1491 if (diff < 0) |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1492 break; |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
8055
diff
changeset
|
1493 /* Wait for 5 msec. |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1494 * TODO: increase the sleep time when looping more often */ |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1495 Sleep(5); |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1496 } |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1497 return FAIL; |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1498 } |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1499 #endif |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1500 |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1501 FD_ZERO(&rfds); |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1502 FD_SET((int)fd, &rfds); |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1503 tval.tv_sec = timeout / 1000; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1504 tval.tv_usec = (timeout % 1000) * 1000; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1505 for (;;) |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1506 { |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
8055
diff
changeset
|
1507 ret = select((int)fd + 1, &rfds, NULL, NULL, &tval); |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1508 # ifdef EINTR |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1509 if (ret == -1 && errno == EINTR) |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1510 continue; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1511 # endif |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1512 if (ret <= 0) |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1513 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1514 ch_log(channel, "Nothing to read\n"); |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1515 return FAIL; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1516 } |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1517 break; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1518 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1519 #else |
7793
2981a37cec61
commit https://github.com/vim/vim/commit/b8b6511fc1f8422a17778d710ed11538174a7f33
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1520 # ifdef HAVE_POLL |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1521 struct pollfd fds; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1522 |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1523 if (timeout > 0) |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1524 ch_logn(channel, "Waiting for %d msec\n", timeout); |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1525 fds.fd = fd; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1526 fds.events = POLLIN; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1527 if (poll(&fds, 1, timeout) <= 0) |
8031
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commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1528 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1529 ch_log(channel, "Nothing to read\n"); |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1530 return FAIL; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1531 } |
7793
2981a37cec61
commit https://github.com/vim/vim/commit/b8b6511fc1f8422a17778d710ed11538174a7f33
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1532 # endif |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1533 #endif |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1534 return OK; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1535 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1536 |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1537 /* |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1538 * Return a unique ID to be used in a message. |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1539 */ |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1540 int |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7797
diff
changeset
|
1541 channel_get_id(void) |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1542 { |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1543 static int next_id = 1; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1544 |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1545 return next_id++; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1546 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1547 |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
7780
diff
changeset
|
1548 /* |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1549 * Get the file descriptor to read from, either the socket or stdout. |
8049
15253130abd8
commit https://github.com/vim/vim/commit/16eb4f88000cfdba68df6c421fe44e7e029ba53e
Christian Brabandt <cb@256bit.org>
parents:
8047
diff
changeset
|
1550 * TODO: should have a way to read stderr. |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1551 */ |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
8055
diff
changeset
|
1552 static sock_T |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
Christian Brabandt <cb@256bit.org>
parents:
8041
diff
changeset
|
1553 get_read_fd(channel_T *channel) |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1554 { |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1555 if (channel->CH_SOCK != CHAN_FD_INVALID) |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1556 return channel->CH_SOCK; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1557 #if defined(CHANNEL_PIPES) |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
8055
diff
changeset
|
1558 if (channel->CH_OUT != CHAN_FD_INVALID) |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1559 return channel->CH_OUT; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1560 #endif |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1561 ch_error(channel, "channel_read() called while socket is closed\n"); |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
8055
diff
changeset
|
1562 return CHAN_FD_INVALID; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1563 } |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1564 |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1565 /* |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1566 * Read from channel "channel" for as long as there is something to read. |
8049
15253130abd8
commit https://github.com/vim/vim/commit/16eb4f88000cfdba68df6c421fe44e7e029ba53e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1567 * "which" is CHAN_SOCK, CHAN_OUT or CHAN_ERR. When -1 use CHAN_SOCK or |
15253130abd8
commit https://github.com/vim/vim/commit/16eb4f88000cfdba68df6c421fe44e7e029ba53e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1568 * CHAN_OUT, the one that is open. |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1569 * The data is put in the read queue. |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1570 */ |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1571 void |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
Christian Brabandt <cb@256bit.org>
parents:
8041
diff
changeset
|
1572 channel_read(channel_T *channel, int which, char *func) |
7770
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1573 { |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1574 static char_u *buf = NULL; |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1575 int len = 0; |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
7743
diff
changeset
|
1576 int readlen = 0; |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1577 sock_T fd; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8009
diff
changeset
|
1578 int use_socket = FALSE; |
7770
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1579 |
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1580 if (which < 0) |
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1581 fd = get_read_fd(channel); |
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|
1582 else |
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1583 fd = channel->ch_pfd[which].ch_fd; |
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1584 if (fd == CHAN_FD_INVALID) |
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1585 return; |
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1586 use_socket = fd == channel->CH_SOCK; |
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1587 |
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|
1588 /* Allocate a buffer to read into. */ |
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1589 if (buf == NULL) |
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1590 { |
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1591 buf = alloc(MAXMSGSIZE); |
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1592 if (buf == NULL) |
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1593 return; /* out of memory! */ |
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1594 } |
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1595 |
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1596 /* Keep on reading for as long as there is something to read. |
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1597 * Use select() or poll() to avoid blocking on a message that is exactly |
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1598 * MAXMSGSIZE long. */ |
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1599 for (;;) |
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1600 { |
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1601 if (channel_wait(channel, fd, 0) == FAIL) |
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1602 break; |
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1603 if (use_socket) |
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1604 len = sock_read(fd, (char *)buf, MAXMSGSIZE); |
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1605 else |
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1606 len = fd_read(fd, (char *)buf, MAXMSGSIZE); |
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1607 if (len <= 0) |
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1608 break; /* error or nothing more to read */ |
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1609 |
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1610 /* Store the read message in the queue. */ |
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1611 channel_save(channel, buf, len); |
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1612 readlen += len; |
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1613 if (len < MAXMSGSIZE) |
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1614 break; /* did read everything that's available */ |
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1615 } |
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1616 #ifdef FEAT_GUI_W32 |
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1617 if (use_socket && len == SOCKET_ERROR) |
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1618 { |
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1619 /* For Win32 GUI channel_wait() always returns OK and we handle the |
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1620 * situation that there is nothing to read here. |
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1621 * TODO: how about a timeout? */ |
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1622 if (WSAGetLastError() == WSAEWOULDBLOCK) |
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1623 return; |
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1624 } |
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1625 #endif |
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1626 |
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1627 /* Reading a socket disconnection (readlen == 0), or a socket error. */ |
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1628 if (readlen <= 0) |
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1629 { |
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1630 /* Queue a "DETACH" netbeans message in the command queue in order to |
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1631 * terminate the netbeans session later. Do not end the session here |
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1632 * directly as we may be running in the context of a call to |
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1633 * netbeans_parse_messages(): |
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1634 * netbeans_parse_messages |
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1635 * -> autocmd triggered while processing the netbeans cmd |
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1636 * -> ui_breakcheck |
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1637 * -> gui event loop or select loop |
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1638 * -> channel_read() |
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1639 */ |
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1640 ch_errors(channel, "%s(): Cannot read\n", func); |
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1641 channel_save(channel, (char_u *)DETACH_MSG, (int)STRLEN(DETACH_MSG)); |
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1642 |
8049
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1643 /* TODO: When reading from stdout is not possible, should we try to |
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1644 * keep stdin and stderr open? Probably not, assume the other side |
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1645 * has died. */ |
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1646 channel_close(channel); |
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1647 if (channel->ch_close_cb != NULL) |
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1648 (*channel->ch_close_cb)(); |
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1649 |
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1650 if (len < 0) |
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1651 { |
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1652 ch_error(channel, "channel_read(): cannot read from channel\n"); |
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1653 PERROR(_("E896: read from channel")); |
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1654 } |
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1655 } |
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1656 |
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1657 #if defined(CH_HAS_GUI) && defined(FEAT_GUI_GTK) |
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1658 /* signal the main loop that there is something to read */ |
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1659 if (CH_HAS_GUI && gtk_main_level() > 0) |
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1660 gtk_main_quit(); |
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1661 #endif |
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1662 } |
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1663 |
7788
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|
1664 /* |
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diff
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|
1665 * Read from RAW or NL channel "channel". Blocks until there is something to |
3ea56a74077f
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|
1666 * read or the timeout expires. |
3ea56a74077f
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diff
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|
1667 * TODO: add "which" argument and read from stderr. |
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|
1668 * Returns what was read in allocated memory. |
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|
1669 * Returns NULL in case of error or timeout. |
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|
1670 */ |
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|
1671 char_u * |
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|
1672 channel_read_block(channel_T *channel) |
7788
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|
1673 { |
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|
1674 char_u *buf; |
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|
1675 char_u *msg; |
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|
1676 ch_mode_T mode = channel->ch_mode; |
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|
1677 sock_T fd = get_read_fd(channel); |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1678 char_u *nl; |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1679 |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1680 ch_logsn(channel, "Blocking %s read, timeout: %d msec\n", |
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|
1681 mode == MODE_RAW ? "RAW" : "NL", channel->ch_timeout); |
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|
1682 |
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|
1683 while (TRUE) |
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|
1684 { |
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|
1685 buf = channel_peek(channel); |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1686 if (buf != NULL && (mode == MODE_RAW |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1687 || (mode == MODE_NL && vim_strchr(buf, NL) != NULL))) |
3ea56a74077f
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|
1688 break; |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1689 if (buf != NULL && channel_collapse(channel) == OK) |
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|
1690 continue; |
8031
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|
1691 |
7935
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|
1692 /* Wait for up to the channel timeout. */ |
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|
1693 if (fd == CHAN_FD_INVALID |
19304db153bc
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|
1694 || channel_wait(channel, fd, channel->ch_timeout) == FAIL) |
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1695 return NULL; |
8047
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1696 channel_read(channel, -1, "channel_read_block"); |
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|
1697 } |
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|
1698 |
8084
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|
1699 if (mode == MODE_RAW) |
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|
1700 { |
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|
1701 msg = channel_get_all(channel); |
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|
1702 } |
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|
1703 else |
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|
1704 { |
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|
1705 nl = vim_strchr(buf, NL); |
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|
1706 if (nl[1] == NUL) |
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|
1707 { |
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|
1708 /* get the whole buffer */ |
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|
1709 msg = channel_get(channel); |
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|
1710 *nl = NUL; |
3ea56a74077f
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|
1711 } |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1712 else |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1713 { |
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|
1714 /* Copy the message into allocated memory and remove it from the |
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|
1715 * buffer. */ |
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|
1716 msg = vim_strnsave(buf, (int)(nl - buf)); |
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|
1717 mch_memmove(buf, nl + 1, STRLEN(nl + 1) + 1); |
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|
1718 } |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1719 } |
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|
1720 if (log_fd != NULL) |
3ea56a74077f
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|
1721 ch_logn(channel, "Returning %d bytes\n", (int)STRLEN(msg)); |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1722 return msg; |
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|
1723 } |
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|
1724 |
7868
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|
1725 /* |
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|
1726 * Read one JSON message with ID "id" from channel "channel" and store the |
7868
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1727 * result in "rettv". |
7935
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|
1728 * Blocks until the message is received or the timeout is reached. |
7868
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1729 */ |
17e6ff1a74f1
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|
1730 int |
8041
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|
1731 channel_read_json_block(channel_T *channel, int id, typval_T **rettv) |
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|
1732 { |
7997
c1c9ab17e197
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|
1733 int more; |
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1734 sock_T fd; |
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1735 |
8041
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|
1736 ch_log(channel, "Reading JSON\n"); |
7997
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1737 channel->ch_block_id = id; |
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|
1738 for (;;) |
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|
1739 { |
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|
1740 more = channel_parse_json(channel); |
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|
1741 |
17e6ff1a74f1
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|
1742 /* search for messsage "id" */ |
8041
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|
1743 if (channel_get_json(channel, id, rettv) == OK) |
7997
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1744 { |
c1c9ab17e197
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|
1745 channel->ch_block_id = 0; |
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|
1746 return OK; |
7997
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|
1747 } |
7868
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|
1748 |
7899
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1749 if (!more) |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1750 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
1751 /* Handle any other messages in the queue. If done some more |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1752 * messages may have arrived. */ |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1753 if (channel_parse_messages()) |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1754 continue; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1755 |
7935
3f2e0b62003d
commit https://github.com/vim/vim/commit/4d919d748e4e435edb135aa5ccf6ee7de9212023
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1756 /* Wait for up to the channel timeout. */ |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
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parents:
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diff
changeset
|
1757 fd = get_read_fd(channel); |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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parents:
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diff
changeset
|
1758 if (fd == CHAN_FD_INVALID |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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parents:
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diff
changeset
|
1759 || channel_wait(channel, fd, channel->ch_timeout) == FAIL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
1760 break; |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
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parents:
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diff
changeset
|
1761 channel_read(channel, -1, "channel_read_json_block"); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
1762 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
1763 } |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
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parents:
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diff
changeset
|
1764 channel->ch_block_id = 0; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1765 return FAIL; |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1766 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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diff
changeset
|
1767 |
7797
0d46cea25641
commit https://github.com/vim/vim/commit/f12d983deab06b0408781d7a6c2f8970d765b723
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parents:
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diff
changeset
|
1768 # if defined(WIN32) || defined(PROTO) |
7780
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
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diff
changeset
|
1769 /* |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
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diff
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|
1770 * Lookup the channel from the socket. Set "which" to the fd index. |
8041
c6443e78cf2d
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diff
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|
1771 * Returns NULL when the socket isn't found. |
7780
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commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
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diff
changeset
|
1772 */ |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1773 channel_T * |
8047
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diff
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|
1774 channel_fd2channel(sock_T fd, int *whichp) |
7780
e09af43f98f7
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diff
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|
1775 { |
8047
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commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
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parents:
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diff
changeset
|
1776 channel_T *channel; |
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1777 int i; |
7780
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1778 |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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diff
changeset
|
1779 if (fd != CHAN_FD_INVALID) |
8041
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diff
changeset
|
1780 for (channel = first_channel; channel != NULL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1781 channel = channel->ch_next) |
8049
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|
1782 { |
8047
7c74cafac0a1
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
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diff
changeset
|
1783 # ifdef CHANNEL_PIPES |
7c74cafac0a1
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parents:
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changeset
|
1784 for (i = CHAN_SOCK; i < CHAN_IN; ++i) |
7c74cafac0a1
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|
1785 # else |
7c74cafac0a1
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parents:
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diff
changeset
|
1786 i = CHAN_SOCK; |
8031
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|
1787 # endif |
8047
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|
1788 if (channel->ch_pfd[i].ch_fd == fd) |
7c74cafac0a1
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|
1789 { |
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changeset
|
1790 *whichp = i; |
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changeset
|
1791 return channel; |
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|
1792 } |
8049
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|
1793 } |
8041
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diff
changeset
|
1794 return NULL; |
7780
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|
1795 } |
e09af43f98f7
commit https://github.com/vim/vim/commit/85be35f33ea848b50e84d57321a45ebfedfad669
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|
1796 # endif |
e09af43f98f7
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|
1797 |
7770
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commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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|
1798 /* |
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diff
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|
1799 * Write "buf" (NUL terminated string) to channel "channel". |
7770
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|
1800 * When "fun" is not NULL an error message might be given. |
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|
1801 * Return FAIL or OK. |
7770
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|
1802 */ |
7788
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|
1803 int |
8041
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|
1804 channel_send(channel_T *channel, char_u *buf, char *fun) |
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|
1805 { |
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|
1806 int len = (int)STRLEN(buf); |
8031
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|
1807 int res; |
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|
1808 sock_T fd = CHAN_FD_INVALID; |
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|
1809 int use_socket = FALSE; |
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|
1810 |
8059
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|
1811 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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|
1812 { |
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|
1813 fd = channel->CH_SOCK; |
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|
1814 use_socket = TRUE; |
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1815 } |
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|
1816 #if defined(CHANNEL_PIPES) |
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1817 else if (channel->CH_IN != CHAN_FD_INVALID) |
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|
1818 fd = channel->CH_IN; |
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1819 #endif |
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1820 if (fd == CHAN_FD_INVALID) |
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1821 { |
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1822 if (!channel->ch_error && fun != NULL) |
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1823 { |
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1824 ch_errors(channel, "%s(): write while not connected\n", fun); |
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|
1825 EMSG2("E630: %s(): write while not connected", fun); |
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1826 } |
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|
1827 channel->ch_error = TRUE; |
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1828 return FAIL; |
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1829 } |
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1830 |
8031
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|
1831 if (log_fd != NULL) |
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1832 { |
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|
1833 ch_log_lead("SEND ", channel); |
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|
1834 fprintf(log_fd, "'"); |
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1835 ignored = (int)fwrite(buf, len, 1, log_fd); |
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1836 fprintf(log_fd, "'\n"); |
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1837 fflush(log_fd); |
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1838 } |
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1839 |
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1840 if (use_socket) |
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1841 res = sock_write(fd, (char *)buf, len); |
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1842 else |
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1843 res = fd_write(fd, (char *)buf, len); |
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1844 if (res != len) |
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1845 { |
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1846 if (!channel->ch_error && fun != NULL) |
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1847 { |
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1848 ch_errors(channel, "%s(): write failed\n", fun); |
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1849 EMSG2("E631: %s(): write failed", fun); |
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1850 } |
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1851 channel->ch_error = TRUE; |
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1852 return FAIL; |
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1853 } |
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1854 |
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1855 channel->ch_error = FALSE; |
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1856 return OK; |
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1857 } |
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1858 |
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1859 # if (defined(UNIX) && !defined(HAVE_SELECT)) || defined(PROTO) |
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1860 /* |
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1861 * Add open channels to the poll struct. |
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1862 * Return the adjusted struct index. |
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1863 * The type of "fds" is hidden to avoid problems with the function proto. |
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1864 */ |
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1865 int |
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|
1866 channel_poll_setup(int nfd_in, void *fds_in) |
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1867 { |
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1868 int nfd = nfd_in; |
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1869 channel_T *channel; |
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1870 struct pollfd *fds = fds_in; |
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1871 int which; |
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1872 |
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1873 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1874 { |
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1875 # ifdef CHANNEL_PIPES |
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1876 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1877 # else |
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1878 which = CHAN_SOCK; |
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1879 # endif |
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1880 { |
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1881 if (channel->ch_pfd[which].ch_fd != CHAN_FD_INVALID) |
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1882 { |
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1883 channel->ch_pfd[which].ch_poll_idx = nfd; |
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1884 fds[nfd].fd = channel->ch_pfd[which].ch_fd; |
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1885 fds[nfd].events = POLLIN; |
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1886 nfd++; |
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1887 } |
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1888 else |
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1889 channel->ch_pfd[which].ch_poll_idx = -1; |
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1890 } |
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1891 } |
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1892 |
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1893 return nfd; |
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1894 } |
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1895 |
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1896 /* |
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1897 * The type of "fds" is hidden to avoid problems with the function proto. |
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1898 */ |
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1899 int |
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1900 channel_poll_check(int ret_in, void *fds_in) |
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1901 { |
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1902 int ret = ret_in; |
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1903 channel_T *channel; |
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1904 struct pollfd *fds = fds_in; |
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1905 int which; |
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1906 |
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1907 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1908 { |
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1909 # ifdef CHANNEL_PIPES |
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1910 for (which = CHAN_SOCK; which < CH_IN; ++which) |
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1911 # else |
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1912 which = CHAN_SOCK; |
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1913 # endif |
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1914 { |
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1915 int idx = channel->ch_pfd[which].ch_poll_idx; |
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1916 |
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1917 if (ret > 0 && idx != -1 && fds[idx].revents & POLLIN) |
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1918 { |
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1919 channel_read(channel, which, "channel_poll_check"); |
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1920 --ret; |
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1921 } |
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1922 } |
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1923 } |
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1924 |
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1925 return ret; |
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1926 } |
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1927 # endif /* UNIX && !HAVE_SELECT */ |
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1928 |
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1929 # if (!defined(FEAT_GUI_W32) && defined(HAVE_SELECT)) || defined(PROTO) |
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1930 /* |
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1931 * The type of "rfds" is hidden to avoid problems with the function proto. |
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1932 */ |
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1933 int |
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1934 channel_select_setup(int maxfd_in, void *rfds_in) |
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1935 { |
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1936 int maxfd = maxfd_in; |
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1937 channel_T *channel; |
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1938 fd_set *rfds = rfds_in; |
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1939 int which; |
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1940 |
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1941 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1942 { |
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1943 # ifdef CHANNEL_PIPES |
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1944 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1945 # else |
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1946 which = CHAN_SOCK; |
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1947 # endif |
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1948 { |
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1949 sock_T fd = channel->ch_pfd[which].ch_fd; |
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1950 |
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1951 if (fd != CHAN_FD_INVALID) |
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1952 { |
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1953 FD_SET((int)fd, rfds); |
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1954 if (maxfd < (int)fd) |
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1955 maxfd = (int)fd; |
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1956 } |
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1957 } |
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1958 } |
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1959 |
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1960 return maxfd; |
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1961 } |
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1962 |
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1963 /* |
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1964 * The type of "rfds" is hidden to avoid problems with the function proto. |
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1965 */ |
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1966 int |
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1967 channel_select_check(int ret_in, void *rfds_in) |
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1968 { |
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1969 int ret = ret_in; |
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1970 channel_T *channel; |
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1971 fd_set *rfds = rfds_in; |
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1972 int which; |
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1973 |
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1974 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1975 { |
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1976 # ifdef CHANNEL_PIPES |
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1977 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1978 # else |
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1979 which = CHAN_SOCK; |
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1980 # endif |
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1981 { |
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1982 sock_T fd = channel->ch_pfd[which].ch_fd; |
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1983 |
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1984 if (ret > 0 && fd != CHAN_FD_INVALID && FD_ISSET(fd, rfds)) |
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1985 { |
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1986 channel_read(channel, which, "channel_select_check"); |
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1987 --ret; |
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1988 } |
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1989 } |
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1990 } |
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1991 |
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1992 return ret; |
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1993 } |
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1994 # endif /* !FEAT_GUI_W32 && HAVE_SELECT */ |
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1995 |
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1996 /* |
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1997 * Execute queued up commands. |
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1998 * Invoked from the main loop when it's safe to execute received commands. |
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1999 * Return TRUE when something was done. |
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2000 */ |
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2001 int |
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2002 channel_parse_messages(void) |
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2003 { |
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2004 channel_T *channel = first_channel; |
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2005 int ret = FALSE; |
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2006 int r; |
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2007 |
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2008 while (channel != NULL) |
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2009 { |
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2010 /* Increase the refcount, in case the handler causes the channel to be |
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2011 * unreferenced or closed. */ |
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2012 ++channel->ch_refcount; |
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2013 r = may_invoke_callback(channel); |
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2014 if (channel_unref(channel)) |
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2015 /* channel was freed, start over */ |
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2016 channel = first_channel; |
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2017 |
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2018 if (r == OK) |
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2019 { |
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2020 channel = first_channel; /* something was done, start over */ |
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2021 ret = TRUE; |
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2022 } |
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2023 else |
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2024 channel = channel->ch_next; |
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2025 } |
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2026 return ret; |
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2027 } |
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2028 |
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2029 /* |
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2030 * Mark references to lists used in channels. |
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2031 */ |
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2032 int |
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2033 set_ref_in_channel(int copyID) |
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2034 { |
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2035 int abort = FALSE; |
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2036 channel_T *channel; |
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2037 |
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2038 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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2039 { |
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2040 jsonq_T *head = &channel->ch_json_head; |
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2041 jsonq_T *item = head->jq_next; |
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2042 |
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2043 while (item != NULL) |
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2044 { |
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2045 list_T *l = item->jq_value->vval.v_list; |
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2046 |
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2047 if (l->lv_copyID != copyID) |
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2048 { |
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2049 l->lv_copyID = copyID; |
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2050 abort = abort || set_ref_in_list(l, copyID, NULL); |
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2051 } |
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2052 item = item->jq_next; |
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2053 } |
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2054 } |
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2055 return abort; |
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2056 } |
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2057 |
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2058 /* |
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2059 * Return the mode of channel "channel". |
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2060 * If "channel" is invalid returns MODE_JSON. |
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2061 */ |
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2062 ch_mode_T |
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2063 channel_get_mode(channel_T *channel) |
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2064 { |
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2065 if (channel == NULL) |
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2066 return MODE_JSON; |
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2067 return channel->ch_mode; |
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2068 } |
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2069 |
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2070 #endif /* FEAT_CHANNEL */ |