Mercurial > vim
annotate src/channel.c @ 8047:7c74cafac0a1 v7.4.1318
commit https://github.com/vim/vim/commit/7b3ca76a451b10d238ef946f3231762e0bd988e9
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Feb 14 19:13:43 2016 +0100
patch 7.4.1318
Problem: Channel with pipes doesn't work in GUI.
Solution: Register input handlers for pipes.
author | Christian Brabandt <cb@256bit.org> |
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date | Sun, 14 Feb 2016 19:15:09 +0100 |
parents | c6443e78cf2d |
children | 15253130abd8 |
rev | line source |
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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(sd, buf, len, 0) |
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36 # define sock_read(sd, buf, len) recv(sd, buf, len, 0) |
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37 # define sock_close(sd) closesocket(sd) |
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38 # define sleep(t) Sleep(t*1000) /* WinAPI Sleep() accepts milliseconds */ |
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39 #else |
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40 # include <netdb.h> |
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41 # include <netinet/in.h> |
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42 |
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43 # include <sys/socket.h> |
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44 # ifdef HAVE_LIBGEN_H |
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45 # include <libgen.h> |
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46 # endif |
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47 # define SOCK_ERRNO |
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48 # define sock_write(sd, buf, len) write(sd, buf, len) |
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49 # define sock_read(sd, buf, len) read(sd, buf, len) |
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50 # define sock_close(sd) close(sd) |
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51 #endif |
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52 |
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53 #ifdef FEAT_GUI_W32 |
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54 extern HWND s_hwnd; /* Gvim's Window handle */ |
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55 #endif |
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56 |
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57 |
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58 /* Log file opened with ch_logfile(). */ |
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59 static FILE *log_fd = NULL; |
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60 |
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61 void |
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62 ch_logfile(FILE *file) |
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63 { |
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64 if (log_fd != NULL) |
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65 fclose(log_fd); |
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66 log_fd = file; |
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67 if (log_fd != NULL) |
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68 fprintf(log_fd, "==== start log session ====\n"); |
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69 } |
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70 |
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71 static void |
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72 ch_log_lead(char *what, channel_T *ch) |
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73 { |
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74 if (log_fd != NULL) |
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75 { |
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76 if (ch != NULL) |
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77 fprintf(log_fd, "%son %d: ", what, ch->ch_id); |
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78 else |
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79 fprintf(log_fd, "%s: ", what); |
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80 } |
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81 } |
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82 |
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83 static void |
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84 ch_log(channel_T *ch, char *msg) |
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85 { |
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86 if (log_fd != NULL) |
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87 { |
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88 ch_log_lead("", ch); |
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89 fputs(msg, log_fd); |
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90 fflush(log_fd); |
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91 } |
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92 } |
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93 |
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94 static void |
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95 ch_logn(channel_T *ch, char *msg, int nr) |
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96 { |
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97 if (log_fd != NULL) |
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98 { |
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99 ch_log_lead("", ch); |
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100 fprintf(log_fd, msg, nr); |
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101 fflush(log_fd); |
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102 } |
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103 } |
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104 |
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105 static void |
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106 ch_logs(channel_T *ch, char *msg, char *name) |
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107 { |
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108 if (log_fd != NULL) |
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109 { |
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110 ch_log_lead("", ch); |
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111 fprintf(log_fd, msg, name); |
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112 fflush(log_fd); |
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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_logsn(channel_T *ch, char *msg, char *name, int nr) |
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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 fprintf(log_fd, msg, name, nr); |
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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_error(channel_T *ch, char *msg) |
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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("ERR ", ch); |
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133 fputs(msg, log_fd); |
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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_errorn(channel_T *ch, char *msg, int nr) |
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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("ERR ", ch); |
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144 fprintf(log_fd, msg, nr); |
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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_errors(channel_T *ch, char *msg, char *arg) |
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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("ERR ", ch); |
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155 fprintf(log_fd, msg, arg); |
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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 #ifdef _WIN32 |
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161 # undef PERROR |
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162 # define PERROR(msg) (void)emsg3((char_u *)"%s: %s", \ |
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163 (char_u *)msg, (char_u *)strerror_win32(errno)) |
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164 |
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165 static char * |
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166 strerror_win32(int eno) |
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167 { |
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168 static LPVOID msgbuf = NULL; |
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169 char_u *ptr; |
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170 |
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171 if (msgbuf) |
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172 LocalFree(msgbuf); |
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173 FormatMessage( |
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174 FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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175 FORMAT_MESSAGE_FROM_SYSTEM | |
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176 FORMAT_MESSAGE_IGNORE_INSERTS, |
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177 NULL, |
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178 eno, |
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179 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), |
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180 (LPTSTR) &msgbuf, |
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181 0, |
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182 NULL); |
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183 /* chomp \r or \n */ |
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184 for (ptr = (char_u *)msgbuf; *ptr; ptr++) |
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185 switch (*ptr) |
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186 { |
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187 case '\r': |
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188 STRMOVE(ptr, ptr + 1); |
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189 ptr--; |
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190 break; |
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191 case '\n': |
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192 if (*(ptr + 1) == '\0') |
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193 *ptr = '\0'; |
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194 else |
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195 *ptr = ' '; |
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196 break; |
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197 } |
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198 return msgbuf; |
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199 } |
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200 #endif |
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201 |
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202 /* |
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203 * The list of all allocated channels. |
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204 */ |
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205 static channel_T *first_channel = NULL; |
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206 static int next_ch_id = 0; |
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207 |
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208 /* |
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209 * Allocate a new channel. The refcount is set to 1. |
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210 * The channel isn't actually used until it is opened. |
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211 * Returns NULL if out of memory. |
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212 */ |
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213 channel_T * |
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214 add_channel(void) |
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215 { |
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216 int which; |
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217 channel_T *channel = (channel_T *)alloc_clear((int)sizeof(channel_T)); |
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218 |
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219 if (channel == NULL) |
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220 return NULL; |
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221 |
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222 channel->ch_id = next_ch_id++; |
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223 ch_log(channel, "Opening channel\n"); |
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224 |
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225 #ifdef CHANNEL_PIPES |
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226 for (which = CHAN_SOCK; which <= CHAN_IN; ++which) |
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227 #else |
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228 which = CHAN_SOCK; |
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229 #endif |
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230 { |
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231 channel->ch_pfd[which].ch_fd = (sock_T)-1; |
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232 #ifdef FEAT_GUI_X11 |
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233 channel->ch_pfd[which].ch_inputHandler = (XtInputId)NULL; |
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234 #endif |
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235 #ifdef FEAT_GUI_GTK |
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236 channel->ch_pfd[which].ch_inputHandler = 0; |
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237 #endif |
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238 #ifdef FEAT_GUI_W32 |
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239 channel->ch_pfd[which].ch_inputHandler = -1; |
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240 #endif |
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241 } |
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242 |
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243 channel->ch_timeout = 2000; |
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244 |
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245 if (first_channel != NULL) |
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246 { |
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247 first_channel->ch_prev = channel; |
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248 channel->ch_next = first_channel; |
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249 } |
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250 first_channel = channel; |
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251 |
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252 channel->ch_refcount = 1; |
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253 return channel; |
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254 } |
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255 |
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256 /* |
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257 * Close a channel and free all its resources. |
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258 */ |
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259 void |
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260 channel_free(channel_T *channel) |
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261 { |
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262 channel_close(channel); |
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263 if (channel->ch_next != NULL) |
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264 channel->ch_next->ch_prev = channel->ch_prev; |
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265 if (channel->ch_prev == NULL) |
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266 first_channel = channel->ch_next; |
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267 else |
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268 channel->ch_prev->ch_next = channel->ch_next; |
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269 vim_free(channel); |
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270 } |
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271 |
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272 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
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273 static channel_T * |
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274 channel_from_id(int id) |
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275 { |
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276 channel_T *channel; |
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277 |
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278 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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279 if (channel->ch_id == id) |
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280 return channel; |
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281 return NULL; |
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282 } |
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283 #endif |
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284 |
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285 #if defined(FEAT_GUI) || defined(PROTO) |
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286 |
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287 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
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288 static void |
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289 channel_read_netbeans(int id) |
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290 { |
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291 channel_T *channel = channel_from_id(id); |
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292 |
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293 if (channel == NULL) |
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294 ch_errorn(NULL, "Channel %d not found", id); |
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295 else |
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296 channel_read(channel, -1, "messageFromNetbeans"); |
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297 } |
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298 #endif |
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299 |
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300 /* |
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301 * Read a command from netbeans. |
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302 */ |
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303 #ifdef FEAT_GUI_X11 |
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304 static void |
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305 messageFromNetbeans(XtPointer clientData, |
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306 int *unused1 UNUSED, |
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307 XtInputId *unused2 UNUSED) |
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308 { |
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309 channel_read_netbeans((int)(long)clientData); |
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310 } |
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311 #endif |
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312 |
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313 #ifdef FEAT_GUI_GTK |
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314 static void |
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315 messageFromNetbeans(gpointer clientData, |
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316 gint unused1 UNUSED, |
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317 GdkInputCondition unused2 UNUSED) |
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318 { |
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319 channel_read_netbeans((int)(long)clientData); |
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320 } |
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321 #endif |
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322 |
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323 static void |
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324 channel_gui_register_one(channel_T *channel, int which) |
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325 { |
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326 # ifdef FEAT_GUI_X11 |
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327 /* Tell notifier we are interested in being called |
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328 * when there is input on the editor connection socket. */ |
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329 if (channel->ch_pfd[which].ch_inputHandler == (XtInputId)NULL) |
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330 channel->ch_pfd[which].ch_inputHandler = XtAppAddInput( |
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331 (XtAppContext)app_context, |
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332 channel->ch_pfd[which].ch_fd, |
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333 (XtPointer)(XtInputReadMask + XtInputExceptMask), |
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334 messageFromNetbeans, |
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335 (XtPointer)(long)channel->ch_id); |
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336 # else |
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337 # ifdef FEAT_GUI_GTK |
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338 /* Tell gdk we are interested in being called when there |
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339 * is input on the editor connection socket. */ |
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340 if (channel->ch_pfd[which].ch_inputHandler == 0) |
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341 channel->ch_pfd[which].ch_inputHandler = gdk_input_add( |
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342 (gint)channel->ch_pfd[which].ch_fd, (GdkInputCondition) |
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343 ((int)GDK_INPUT_READ + (int)GDK_INPUT_EXCEPTION), |
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344 messageFromNetbeans, |
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345 (gpointer)(long)channel->ch_id); |
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346 # else |
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347 # ifdef FEAT_GUI_W32 |
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348 /* Tell Windows we are interested in receiving message when there |
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349 * is input on the editor connection socket. */ |
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350 if (channel->ch_pfd[which].ch_inputHandler == -1) |
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351 channel->ch_pfd[which].ch_inputHandler = WSAAsyncSelect( |
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352 channel->ch_pfd[which].ch_fd, |
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353 s_hwnd, WM_NETBEANS, FD_READ); |
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354 # endif |
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355 # endif |
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356 # endif |
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357 } |
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358 |
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359 void |
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360 channel_gui_register(channel_T *channel) |
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361 { |
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362 if (!CH_HAS_GUI) |
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363 return; |
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364 |
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365 if (channel->ch_pfd[CHAN_SOCK].ch_fd >= 0) |
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366 channel_gui_register_one(channel, CHAN_SOCK); |
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367 # ifdef CHANNEL_PIPES |
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368 if (channel->ch_pfd[CHAN_OUT].ch_fd >= 0) |
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369 channel_gui_register_one(channel, CHAN_OUT); |
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370 if (channel->ch_pfd[CHAN_ERR].ch_fd >= 0) |
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371 channel_gui_register_one(channel, CHAN_ERR); |
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372 # endif |
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373 } |
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374 |
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375 /* |
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376 * Register any of our file descriptors with the GUI event handling system. |
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377 * Called when the GUI has started. |
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378 */ |
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379 void |
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380 channel_gui_register_all(void) |
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381 { |
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382 channel_T *channel; |
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383 |
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384 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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385 channel_gui_register(channel); |
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386 } |
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387 |
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388 static void |
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389 channel_gui_unregister_one(channel_T *channel, int which) |
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390 { |
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391 # ifdef FEAT_GUI_X11 |
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392 if (channel->ch_pfd[which].ch_inputHandler != (XtInputId)NULL) |
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393 { |
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394 XtRemoveInput(channel->ch_pfd[which].ch_inputHandler); |
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395 channel->ch_pfd[which].ch_inputHandler = (XtInputId)NULL; |
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396 } |
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397 # else |
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398 # ifdef FEAT_GUI_GTK |
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399 if (channel->ch_pfd[which].ch_inputHandler != 0) |
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400 { |
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401 gdk_input_remove(channel->ch_pfd[which].ch_inputHandler); |
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402 channel->ch_pfd[which].ch_inputHandler = 0; |
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403 } |
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404 # else |
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405 # ifdef FEAT_GUI_W32 |
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406 if (channel->ch_pfd[which].ch_inputHandler == 0) |
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407 { |
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408 WSAAsyncSelect(channel->ch_pfd[which].ch_fd, s_hwnd, 0, 0); |
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409 channel->ch_pfd[which].ch_inputHandler = -1; |
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410 } |
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411 # endif |
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412 # endif |
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413 # endif |
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414 } |
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415 |
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416 static void |
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417 channel_gui_unregister(channel_T *channel) |
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418 { |
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419 if (channel->ch_pfd[CHAN_SOCK].ch_fd >= 0) |
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420 channel_gui_unregister_one(channel, CHAN_SOCK); |
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421 # ifdef CHANNEL_PIPES |
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422 if (channel->ch_pfd[CHAN_OUT].ch_fd >= 0) |
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423 channel_gui_unregister_one(channel, CHAN_OUT); |
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424 if (channel->ch_pfd[CHAN_ERR].ch_fd >= 0) |
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425 channel_gui_unregister_one(channel, CHAN_ERR); |
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426 # endif |
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427 } |
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428 |
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429 #endif |
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430 |
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431 /* |
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432 * Open a socket channel to "hostname":"port". |
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433 * Returns the channel for success. |
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434 * Returns NULL for failure. |
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435 */ |
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436 channel_T * |
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437 channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void)) |
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438 { |
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439 int sd; |
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440 struct sockaddr_in server; |
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441 struct hostent * host; |
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442 #ifdef WIN32 |
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443 u_short port = port_in; |
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444 u_long val = 1; |
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445 #else |
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446 int port = port_in; |
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447 #endif |
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448 channel_T *channel; |
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449 int ret; |
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450 |
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451 #ifdef WIN32 |
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452 channel_init_winsock(); |
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453 #endif |
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454 |
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455 channel = add_channel(); |
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456 if (channel == NULL) |
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457 { |
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458 ch_error(NULL, "Cannot allocate channel.\n"); |
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459 EMSG(_("E897: All channels are in use")); |
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460 return NULL; |
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461 } |
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462 |
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463 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1) |
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464 { |
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465 ch_error(NULL, "in socket() in channel_open().\n"); |
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466 PERROR("E898: socket() in channel_open()"); |
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467 channel_free(channel); |
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468 return NULL; |
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469 } |
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470 |
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471 /* Get the server internet address and put into addr structure */ |
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472 /* fill in the socket address structure and connect to server */ |
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473 vim_memset((char *)&server, 0, sizeof(server)); |
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474 server.sin_family = AF_INET; |
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475 server.sin_port = htons(port); |
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476 if ((host = gethostbyname(hostname)) == NULL) |
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477 { |
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478 ch_error(NULL, "in gethostbyname() in channel_open()\n"); |
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479 PERROR("E901: gethostbyname() in channel_open()"); |
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480 sock_close(sd); |
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481 channel_free(channel); |
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482 return NULL; |
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483 } |
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484 memcpy((char *)&server.sin_addr, host->h_addr, host->h_length); |
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485 |
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486 if (waittime >= 0) |
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487 { |
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488 /* Make connect non-blocking. */ |
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489 if ( |
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490 #ifdef _WIN32 |
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491 ioctlsocket(sd, FIONBIO, &val) < 0 |
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492 #else |
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493 fcntl(sd, F_SETFL, O_NONBLOCK) < 0 |
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494 #endif |
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495 ) |
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496 { |
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497 SOCK_ERRNO; |
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498 ch_errorn(NULL, "channel_open: Connect failed with errno %d\n", |
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499 errno); |
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500 sock_close(sd); |
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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 |
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506 /* Try connecting to the server. */ |
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507 ch_logsn(NULL, "Connecting to %s port %d", hostname, port); |
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508 ret = connect(sd, (struct sockaddr *)&server, sizeof(server)); |
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509 SOCK_ERRNO; |
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510 if (ret < 0) |
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511 { |
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512 if (errno != EWOULDBLOCK |
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513 #ifdef EINPROGRESS |
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514 && errno != EINPROGRESS |
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515 #endif |
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516 ) |
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517 { |
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518 ch_errorn(NULL, "channel_open: Connect failed with errno %d\n", |
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519 errno); |
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520 PERROR(_("E902: Cannot connect to port")); |
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521 sock_close(sd); |
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522 channel_free(channel); |
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523 return NULL; |
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524 } |
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525 } |
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526 |
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527 if (waittime >= 0 && ret < 0) |
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528 { |
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529 struct timeval tv; |
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530 fd_set wfds; |
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531 |
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532 FD_ZERO(&wfds); |
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533 FD_SET(sd, &wfds); |
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534 tv.tv_sec = waittime / 1000; |
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535 tv.tv_usec = (waittime % 1000) * 1000; |
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536 ret = select((int)sd + 1, NULL, &wfds, NULL, &tv); |
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537 if (ret < 0) |
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538 { |
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539 SOCK_ERRNO; |
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540 ch_errorn(NULL, "channel_open: Connect failed with errno %d\n", |
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541 errno); |
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542 PERROR(_("E902: Cannot connect to port")); |
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543 sock_close(sd); |
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544 channel_free(channel); |
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545 return NULL; |
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546 } |
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547 if (!FD_ISSET(sd, &wfds)) |
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548 { |
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549 /* don't give an error, we just timed out. */ |
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550 sock_close(sd); |
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551 channel_free(channel); |
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552 return NULL; |
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553 } |
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554 } |
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555 |
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556 if (waittime >= 0) |
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557 { |
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558 #ifdef _WIN32 |
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559 val = 0; |
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560 ioctlsocket(sd, FIONBIO, &val); |
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561 #else |
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562 (void)fcntl(sd, F_SETFL, 0); |
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563 #endif |
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564 } |
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565 |
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566 /* Only retry for netbeans. TODO: can we use a waittime instead? */ |
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567 if (errno == ECONNREFUSED && close_cb != NULL) |
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568 { |
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569 sock_close(sd); |
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570 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1) |
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571 { |
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572 SOCK_ERRNO; |
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573 ch_log(NULL, "socket() retry in channel_open()\n"); |
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574 PERROR("E900: socket() retry in channel_open()"); |
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575 channel_free(channel); |
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576 return NULL; |
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577 } |
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578 if (connect(sd, (struct sockaddr *)&server, sizeof(server))) |
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579 { |
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580 int retries = 36; |
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581 int success = FALSE; |
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582 |
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583 SOCK_ERRNO; |
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584 while (retries-- && ((errno == ECONNREFUSED) |
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585 || (errno == EINTR))) |
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586 { |
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587 ch_log(NULL, "retrying...\n"); |
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588 mch_delay(3000L, TRUE); |
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589 ui_breakcheck(); |
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590 if (got_int) |
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591 { |
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592 errno = EINTR; |
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593 break; |
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594 } |
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595 if (connect(sd, (struct sockaddr *)&server, |
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596 sizeof(server)) == 0) |
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597 { |
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598 success = TRUE; |
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599 break; |
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600 } |
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601 SOCK_ERRNO; |
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602 } |
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603 if (!success) |
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604 { |
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605 /* Get here when the server can't be found. */ |
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606 ch_error(NULL, "Cannot connect to port after retry\n"); |
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607 PERROR(_("E899: Cannot connect to port after retry2")); |
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608 sock_close(sd); |
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609 channel_free(channel); |
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610 return NULL; |
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611 } |
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612 } |
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613 } |
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614 |
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615 channel->CH_SOCK = sd; |
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616 channel->ch_close_cb = close_cb; |
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617 |
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618 #ifdef FEAT_GUI |
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619 channel_gui_register(channel); |
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620 #endif |
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621 |
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622 return channel; |
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623 } |
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624 |
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625 #if defined(CHANNEL_PIPES) || defined(PROTO) |
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626 void |
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627 channel_set_pipes(channel_T *channel, int in, int out, int err) |
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628 { |
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629 channel->CH_IN = in; |
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630 channel->CH_OUT = out; |
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631 channel->CH_ERR = err; |
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632 } |
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633 #endif |
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634 |
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635 void |
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636 channel_set_job(channel_T *channel, job_T *job) |
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637 { |
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638 channel->ch_job = job; |
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639 } |
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640 |
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641 /* |
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642 * Set the json mode of channel "channel" to "ch_mode". |
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643 */ |
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644 void |
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645 channel_set_json_mode(channel_T *channel, ch_mode_T ch_mode) |
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646 { |
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647 channel->ch_mode = ch_mode; |
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648 } |
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649 |
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650 /* |
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651 * Set the read timeout of channel "channel". |
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652 */ |
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653 void |
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654 channel_set_timeout(channel_T *channel, int timeout) |
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655 { |
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656 channel->ch_timeout = timeout; |
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657 } |
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658 |
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659 /* |
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660 * Set the callback for channel "channel". |
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661 */ |
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662 void |
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663 channel_set_callback(channel_T *channel, char_u *callback) |
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664 { |
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665 vim_free(channel->ch_callback); |
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666 channel->ch_callback = vim_strsave(callback); |
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667 } |
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668 |
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669 /* |
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670 * Set the callback for channel "channel" for the response with "id". |
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671 */ |
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672 void |
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673 channel_set_req_callback(channel_T *channel, char_u *callback, int id) |
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674 { |
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675 cbq_T *head = &channel->ch_cb_head; |
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676 cbq_T *item = (cbq_T *)alloc((int)sizeof(cbq_T)); |
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677 |
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678 if (item != NULL) |
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679 { |
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680 item->cq_callback = vim_strsave(callback); |
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681 item->cq_seq_nr = id; |
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682 item->cq_prev = head->cq_prev; |
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683 head->cq_prev = item; |
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684 item->cq_next = NULL; |
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685 if (item->cq_prev == NULL) |
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686 head->cq_next = item; |
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687 else |
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688 item->cq_prev->cq_next = item; |
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689 } |
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690 } |
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691 |
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692 /* |
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693 * Invoke the "callback" on channel "channel". |
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694 */ |
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695 static void |
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696 invoke_callback(channel_T *channel, char_u *callback, typval_T *argv) |
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697 { |
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698 typval_T rettv; |
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699 int dummy; |
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700 |
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701 argv[0].v_type = VAR_CHANNEL; |
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702 argv[0].vval.v_channel = channel; |
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703 |
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704 call_func(callback, (int)STRLEN(callback), |
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705 &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL); |
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706 /* If an echo command was used the cursor needs to be put back where |
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707 * it belongs. */ |
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708 setcursor(); |
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709 cursor_on(); |
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710 out_flush(); |
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711 } |
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712 |
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713 /* |
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714 * Return the first buffer from the channel and remove it. |
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715 * The caller must free it. |
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716 * Returns NULL if there is nothing. |
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717 */ |
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718 char_u * |
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719 channel_get(channel_T *channel) |
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720 { |
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721 readq_T *head = &channel->ch_head; |
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722 readq_T *node = head->rq_next; |
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723 char_u *p; |
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724 |
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725 if (node == NULL) |
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726 return NULL; |
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727 /* dispose of the node but keep the buffer */ |
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728 p = node->rq_buffer; |
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729 head->rq_next = node->rq_next; |
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730 if (node->rq_next == NULL) |
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731 head->rq_prev = NULL; |
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732 else |
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733 node->rq_next->rq_prev = NULL; |
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734 vim_free(node); |
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735 return p; |
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736 } |
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737 |
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738 /* |
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739 * Returns the whole buffer contents concatenated. |
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740 */ |
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741 static char_u * |
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742 channel_get_all(channel_T *channel) |
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743 { |
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744 /* Concatenate everything into one buffer. |
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745 * TODO: avoid multiple allocations. */ |
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746 while (channel_collapse(channel) == OK) |
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747 ; |
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748 return channel_get(channel); |
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749 } |
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750 |
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751 /* |
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752 * Collapses the first and second buffer in the channel "channel". |
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753 * Returns FAIL if that is not possible. |
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754 */ |
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755 int |
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756 channel_collapse(channel_T *channel) |
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757 { |
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758 readq_T *head = &channel->ch_head; |
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759 readq_T *node = head->rq_next; |
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760 char_u *p; |
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761 |
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762 if (node == NULL || node->rq_next == NULL) |
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763 return FAIL; |
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764 |
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765 p = alloc((unsigned)(STRLEN(node->rq_buffer) |
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766 + STRLEN(node->rq_next->rq_buffer) + 1)); |
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767 if (p == NULL) |
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768 return FAIL; /* out of memory */ |
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769 STRCPY(p, node->rq_buffer); |
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770 STRCAT(p, node->rq_next->rq_buffer); |
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771 vim_free(node->rq_next->rq_buffer); |
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772 node->rq_next->rq_buffer = p; |
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773 |
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774 /* dispose of the node and its buffer */ |
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775 head->rq_next = node->rq_next; |
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776 head->rq_next->rq_prev = NULL; |
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777 vim_free(node->rq_buffer); |
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778 vim_free(node); |
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779 return OK; |
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780 } |
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781 |
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782 /* |
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783 * Use the read buffer of channel "channel" and parse a JSON messages that is |
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784 * complete. The messages are added to the queue. |
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785 * Return TRUE if there is more to read. |
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786 */ |
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787 static int |
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788 channel_parse_json(channel_T *channel) |
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789 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
790 js_read_T reader; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
791 typval_T listtv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
792 jsonq_T *item; |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
793 jsonq_T *head = &channel->ch_json_head; |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
794 int ret; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
795 |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
796 if (channel_peek(channel) == NULL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
797 return FALSE; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
798 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
799 /* TODO: make reader work properly */ |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
800 /* reader.js_buf = channel_peek(channel); */ |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
801 reader.js_buf = channel_get_all(channel); |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
802 reader.js_used = 0; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7872
diff
changeset
|
803 reader.js_fill = NULL; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
804 /* reader.js_fill = channel_fill; */ |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
805 reader.js_cookie = channel; |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
806 ret = json_decode(&reader, &listtv, |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
807 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
|
808 if (ret == OK) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
809 { |
7937
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
Christian Brabandt <cb@256bit.org>
parents:
7935
diff
changeset
|
810 /* 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
|
811 * items. */ |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
Christian Brabandt <cb@256bit.org>
parents:
7935
diff
changeset
|
812 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
|
813 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
814 /* TODO: give error */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
815 clear_tv(&listtv); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
816 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
817 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
818 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
819 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
|
820 if (item == NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
821 clear_tv(&listtv); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
822 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
823 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
824 item->jq_value = alloc_tv(); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
825 if (item->jq_value == NULL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
826 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
827 vim_free(item); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
828 clear_tv(&listtv); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
829 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
830 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
831 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
832 *item->jq_value = listtv; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
833 item->jq_prev = head->jq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
834 head->jq_prev = item; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
835 item->jq_next = NULL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
836 if (item->jq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
837 head->jq_next = item; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
838 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
839 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
|
840 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
841 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
842 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
843 } |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
844 |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
845 /* 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
|
846 * TODO: insert in front */ |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
847 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
|
848 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
849 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
|
850 (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
|
851 ret = TRUE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
852 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
853 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
854 ret = FALSE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
855 |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
856 vim_free(reader.js_buf); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
857 return ret; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
858 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
859 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
860 /* |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
861 * Remove "node" from the queue that it is in and free it. |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
862 * Also frees the contained callback name. |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
863 */ |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
864 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
865 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
|
866 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
867 if (node->cq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
868 head->cq_next = node->cq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
869 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
870 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
|
871 if (node->cq_next == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
872 head->cq_prev = node->cq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
873 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
874 node->cq_next->cq_prev = node->cq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
875 vim_free(node->cq_callback); |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
876 vim_free(node); |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
877 } |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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diff
changeset
|
878 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
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|
879 /* |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
880 * Remove "node" from the queue that it is in and free it. |
8041
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Christian Brabandt <cb@256bit.org>
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|
881 * Caller should have freed or used node->jq_value. |
7868
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Christian Brabandt <cb@256bit.org>
parents:
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|
882 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
883 static void |
8041
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Christian Brabandt <cb@256bit.org>
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|
884 remove_json_node(jsonq_T *head, jsonq_T *node) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
885 { |
8041
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diff
changeset
|
886 if (node->jq_prev == NULL) |
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
887 head->jq_next = node->jq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
888 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
889 node->jq_prev->jq_next = node->jq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
8039
diff
changeset
|
890 if (node->jq_next == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
891 head->jq_prev = node->jq_prev; |
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
892 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
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changeset
|
893 node->jq_next->jq_prev = node->jq_prev; |
7868
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
894 vim_free(node); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
895 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
896 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
897 /* |
8041
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
898 * Get a message from the JSON queue for channel "channel". |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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changeset
|
899 * When "id" is positive it must match the first number in the list. |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
900 * When "id" is zero or negative jut get the first message. But not the one |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
901 * with id ch_block_id. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
902 * Return OK when found and return the value in "rettv". |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
903 * Return FAIL otherwise. |
17e6ff1a74f1
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
904 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
905 static int |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
906 channel_get_json(channel_T *channel, int id, typval_T **rettv) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
907 { |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
908 jsonq_T *head = &channel->ch_json_head; |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
909 jsonq_T *item = head->jq_next; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
910 |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
911 while (item != NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
912 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
913 list_T *l = item->jq_value->vval.v_list; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
914 typval_T *tv = &l->lv_first->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
915 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
916 if ((id > 0 && tv->v_type == VAR_NUMBER && tv->vval.v_number == id) |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
917 || (id <= 0 && (tv->v_type != VAR_NUMBER |
8009
b2cfa3416ba0
commit https://github.com/vim/vim/commit/f6157284de71d8881f3b89fbd79d1ecbf842929f
Christian Brabandt <cb@256bit.org>
parents:
7997
diff
changeset
|
918 || tv->vval.v_number == 0 |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
919 || tv->vval.v_number != channel->ch_block_id))) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
920 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
921 *rettv = item->jq_value; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
922 remove_json_node(head, item); |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
923 return OK; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
924 } |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
925 item = item->jq_next; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
926 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
927 return FAIL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
928 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
929 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
930 /* |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
931 * Execute a command received over channel "channel". |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
932 * "cmd" is the command string, "arg2" the second argument. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
933 * "arg3" is the third argument, NULL if missing. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
934 */ |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
935 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
936 channel_exe_cmd(channel_T *channel, char_u *cmd, typval_T *arg2, typval_T *arg3) |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
937 { |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
938 char_u *arg; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
939 |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
940 if (arg2->v_type != VAR_STRING) |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
941 { |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
942 if (p_verbose > 2) |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
943 EMSG("E903: received ex command with non-string argument"); |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
944 return; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
945 } |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
946 arg = arg2->vval.v_string; |
7872
4b9d4600166f
commit https://github.com/vim/vim/commit/14ad611ca435d97e8fd0d9ab03ddc982843298ac
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
947 if (arg == NULL) |
4b9d4600166f
commit https://github.com/vim/vim/commit/14ad611ca435d97e8fd0d9ab03ddc982843298ac
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
948 arg = (char_u *)""; |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
949 |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
950 if (STRCMP(cmd, "ex") == 0) |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
951 { |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
952 do_cmdline_cmd(arg); |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
953 } |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
954 else if (STRCMP(cmd, "normal") == 0) |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
955 { |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
956 exarg_T ea; |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
957 |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
958 ea.arg = arg; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
959 ea.addr_count = 0; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
960 ea.forceit = TRUE; /* no mapping */ |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
961 ex_normal(&ea); |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
962 } |
6b0891de44a9
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963 else if (STRCMP(cmd, "redraw") == 0) |
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964 { |
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965 exarg_T ea; |
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966 |
7872
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967 ea.forceit = *arg != NUL; |
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968 ex_redraw(&ea); |
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969 showruler(FALSE); |
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970 setcursor(); |
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971 out_flush(); |
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972 #ifdef FEAT_GUI |
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973 if (gui.in_use) |
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974 { |
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975 gui_update_cursor(FALSE, FALSE); |
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976 gui_mch_flush(); |
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977 } |
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978 #endif |
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979 } |
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980 else if (STRCMP(cmd, "expr") == 0 || STRCMP(cmd, "eval") == 0) |
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981 { |
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982 int is_eval = cmd[1] == 'v'; |
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983 |
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984 if (is_eval && (arg3 == NULL || arg3->v_type != VAR_NUMBER)) |
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985 { |
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986 if (p_verbose > 2) |
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987 EMSG("E904: third argument for eval must be a number"); |
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988 } |
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989 else |
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990 { |
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991 typval_T *tv; |
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992 typval_T err_tv; |
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993 char_u *json = NULL; |
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994 int options = channel->ch_mode == MODE_JS ? JSON_JS : 0; |
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995 |
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996 /* Don't pollute the display with errors. */ |
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997 ++emsg_skip; |
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998 tv = eval_expr(arg, NULL); |
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999 if (is_eval) |
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1000 { |
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1001 if (tv != NULL) |
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1002 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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1003 options); |
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1004 if (tv == NULL || (json != NULL && *json == NUL)) |
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1005 { |
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1006 /* If evaluation failed or the result can't be encoded |
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1007 * then return the string "ERROR". */ |
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1008 vim_free(json); |
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1009 free_tv(tv); |
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1010 err_tv.v_type = VAR_STRING; |
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1011 err_tv.vval.v_string = (char_u *)"ERROR"; |
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1012 tv = &err_tv; |
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1013 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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1014 options); |
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1015 } |
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1016 if (json != NULL) |
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1017 { |
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1018 channel_send(channel, json, "eval"); |
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1019 vim_free(json); |
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1020 } |
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1021 } |
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1022 --emsg_skip; |
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1023 if (tv != &err_tv) |
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1024 free_tv(tv); |
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1025 } |
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1026 } |
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1027 else if (p_verbose > 2) |
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1028 EMSG2("E905: received unknown command: %s", cmd); |
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1029 } |
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1030 |
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1031 /* |
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1032 * Invoke a callback for channel "channel" if needed. |
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1033 * Return OK when a message was handled, there might be another one. |
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1034 */ |
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1035 static int |
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1036 may_invoke_callback(channel_T *channel) |
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1037 { |
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1038 char_u *msg = NULL; |
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1039 typval_T *listtv = NULL; |
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1040 list_T *list; |
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1041 typval_T *typetv; |
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1042 typval_T argv[3]; |
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1043 int seq_nr = -1; |
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1044 ch_mode_T ch_mode = channel->ch_mode; |
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1045 |
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1046 if (channel->ch_close_cb != NULL) |
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1047 /* this channel is handled elsewhere (netbeans) */ |
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changeset
|
1048 return FALSE; |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1049 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
1050 if (ch_mode != MODE_RAW) |
7840
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commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1051 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1052 /* Get any json message in the queue. */ |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1053 if (channel_get_json(channel, -1, &listtv) == FAIL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1054 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
1055 /* Parse readahead, return when there is still no message. */ |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1056 channel_parse_json(channel); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1057 if (channel_get_json(channel, -1, &listtv) == FAIL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
1058 return FALSE; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1059 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1060 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1061 list = listtv->vval.v_list; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1062 argv[1] = list->lv_first->li_next->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1063 typetv = &list->lv_first->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1064 if (typetv->v_type == VAR_STRING) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1065 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1066 typval_T *arg3 = NULL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1067 char_u *cmd = typetv->vval.v_string; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1068 |
7918
ce5a7a613867
commit https://github.com/vim/vim/commit/66624ff0d9e1de2fc5eb4f95f3a3a2ed70b10138
Christian Brabandt <cb@256bit.org>
parents:
7916
diff
changeset
|
1069 /* ["cmd", arg] or ["cmd", arg, arg] */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1070 if (list->lv_len == 3) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1071 arg3 = &list->lv_last->li_tv; |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1072 ch_logs(channel, "Executing %s command", (char *)cmd); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1073 channel_exe_cmd(channel, cmd, &argv[1], arg3); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1074 free_tv(listtv); |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1075 return TRUE; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1076 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1077 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1078 if (typetv->v_type != VAR_NUMBER) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1079 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1080 ch_error(channel, |
8031
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1081 "Dropping message with invalid sequence number type\n"); |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
1082 free_tv(listtv); |
7885
6e6f829af138
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1083 return FALSE; |
7868
17e6ff1a74f1
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1084 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1085 seq_nr = typetv->vval.v_number; |
7840
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Christian Brabandt <cb@256bit.org>
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changeset
|
1086 } |
8041
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parents:
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changeset
|
1087 else if (channel_peek(channel) == NULL) |
7899
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|
1088 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1089 /* nothing to read on raw channel */ |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1090 return FALSE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1091 } |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1092 else |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1093 { |
8031
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commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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parents:
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changeset
|
1094 /* If there is no callback, don't do anything. */ |
ece323e2b57f
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parents:
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diff
changeset
|
1095 if (channel->ch_callback == NULL) |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1096 return FALSE; |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1097 |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1098 /* For a raw channel we don't know where the message ends, just get |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1099 * everything. */ |
8041
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changeset
|
1100 msg = channel_get_all(channel); |
7788
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parents:
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diff
changeset
|
1101 argv[1].v_type = VAR_STRING; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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diff
changeset
|
1102 argv[1].vval.v_string = msg; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1103 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1104 |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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parents:
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diff
changeset
|
1105 if (seq_nr > 0) |
7788
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Christian Brabandt <cb@256bit.org>
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|
1106 { |
8041
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diff
changeset
|
1107 cbq_T *head = &channel->ch_cb_head; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1108 cbq_T *item = head->cq_next; |
8031
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parents:
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diff
changeset
|
1109 int done = FALSE; |
7933
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diff
changeset
|
1110 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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diff
changeset
|
1111 /* invoke the one-time callback with the matching nr */ |
8041
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diff
changeset
|
1112 while (item != NULL) |
7933
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|
1113 { |
8041
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changeset
|
1114 if (item->cq_seq_nr == seq_nr) |
7933
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parents:
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|
1115 { |
8041
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changeset
|
1116 ch_log(channel, "Invoking one-time callback\n"); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1117 invoke_callback(channel, item->cq_callback, argv); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
1118 remove_cb_node(head, item); |
8031
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|
1119 done = TRUE; |
7933
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changeset
|
1120 break; |
1f0743f4f88f
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changeset
|
1121 } |
8041
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diff
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|
1122 item = item->cq_next; |
7933
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|
1123 } |
8031
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|
1124 if (!done) |
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changeset
|
1125 ch_log(channel, "Dropping message without callback\n"); |
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|
1126 } |
7933
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diff
changeset
|
1127 else if (channel->ch_callback != NULL) |
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|
1128 { |
17e6ff1a74f1
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changeset
|
1129 /* invoke the channel callback */ |
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changeset
|
1130 ch_log(channel, "Invoking channel callback\n"); |
c6443e78cf2d
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changeset
|
1131 invoke_callback(channel, channel->ch_callback, argv); |
7868
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changeset
|
1132 } |
8031
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changeset
|
1133 else |
8041
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changeset
|
1134 ch_log(channel, "Dropping message\n"); |
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1135 |
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1136 if (listtv != NULL) |
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|
1137 free_tv(listtv); |
7840
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1138 vim_free(msg); |
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1139 |
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1140 return TRUE; |
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1141 } |
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1142 |
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1143 /* |
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1144 * Return TRUE when channel "channel" is open for writing to. |
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1145 * Also returns FALSE or invalid "channel". |
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1146 */ |
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1147 int |
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1148 channel_can_write_to(channel_T *channel) |
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1149 { |
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1150 return channel != NULL && (channel->CH_SOCK >= 0 |
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1151 #ifdef CHANNEL_PIPES |
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1152 || channel->CH_IN >= 0 |
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1153 #endif |
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1154 ); |
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1155 } |
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1156 |
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1157 /* |
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1158 * Return TRUE when channel "channel" is open for reading or writing. |
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1159 * Also returns FALSE for invalid "channel". |
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1160 */ |
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1161 int |
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1162 channel_is_open(channel_T *channel) |
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1163 { |
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1164 return channel != NULL && (channel->CH_SOCK >= 0 |
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1165 #ifdef CHANNEL_PIPES |
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1166 || channel->CH_IN >= 0 |
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1167 || channel->CH_OUT >= 0 |
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1168 || channel->CH_ERR >= 0 |
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1169 #endif |
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1170 ); |
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1171 } |
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1172 |
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1173 /* |
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1174 * Return a string indicating the status of the channel. |
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1175 */ |
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1176 char * |
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1177 channel_status(channel_T *channel) |
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1178 { |
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1179 if (channel == NULL) |
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1180 return "fail"; |
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1181 if (channel_is_open(channel)) |
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1182 return "open"; |
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1183 return "closed"; |
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1184 } |
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1185 |
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1186 /* |
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1187 * Close channel "channel". |
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1188 * This does not trigger the close callback. |
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1189 */ |
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1190 void |
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1191 channel_close(channel_T *channel) |
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1192 { |
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1193 ch_log(channel, "Closing channel"); |
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1194 |
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1195 if (channel->CH_SOCK >= 0) |
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1196 { |
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1197 sock_close(channel->CH_SOCK); |
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1198 channel->CH_SOCK = -1; |
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1199 channel->ch_close_cb = NULL; |
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1200 #ifdef FEAT_GUI |
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1201 channel_gui_unregister(channel); |
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1202 #endif |
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1203 vim_free(channel->ch_callback); |
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1204 channel->ch_callback = NULL; |
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1205 } |
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1206 #if defined(CHANNEL_PIPES) |
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1207 if (channel->CH_IN >= 0) |
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1208 { |
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1209 close(channel->CH_IN); |
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1210 channel->CH_IN = -1; |
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1211 } |
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1212 if (channel->CH_OUT >= 0) |
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1213 { |
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1214 close(channel->CH_OUT); |
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1215 channel->CH_OUT = -1; |
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1216 } |
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1217 if (channel->CH_ERR >= 0) |
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1218 { |
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1219 close(channel->CH_ERR); |
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1220 channel->CH_ERR = -1; |
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1221 } |
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1222 #endif |
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|
1223 channel_clear(channel); |
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1224 } |
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1225 |
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|
1226 /* |
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|
1227 * Store "buf[len]" on channel "channel". |
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|
1228 * Returns OK or FAIL. |
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|
1229 */ |
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|
1230 int |
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|
1231 channel_save(channel_T *channel, char_u *buf, int len) |
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|
1232 { |
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|
1233 readq_T *node; |
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|
1234 readq_T *head = &channel->ch_head; |
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|
1235 |
7868
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|
1236 node = (readq_T *)alloc(sizeof(readq_T)); |
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1237 if (node == NULL) |
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|
1238 return FAIL; /* out of memory */ |
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1239 node->rq_buffer = alloc(len + 1); |
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|
1240 if (node->rq_buffer == NULL) |
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1241 { |
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|
1242 vim_free(node); |
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|
1243 return FAIL; /* out of memory */ |
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1244 } |
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1245 mch_memmove(node->rq_buffer, buf, (size_t)len); |
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1246 node->rq_buffer[len] = NUL; |
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1247 |
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1248 /* append node to the tail of the queue */ |
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|
1249 node->rq_next = NULL; |
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|
1250 node->rq_prev = head->rq_prev; |
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|
1251 if (head->rq_prev == NULL) |
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|
1252 head->rq_next = node; |
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|
1253 else |
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|
1254 head->rq_prev->rq_next = node; |
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|
1255 head->rq_prev = node; |
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|
1256 |
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|
1257 if (log_fd != NULL) |
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1258 { |
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|
1259 ch_log_lead("RECV ", channel); |
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1260 fprintf(log_fd, "'"); |
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1261 if (fwrite(buf, len, 1, log_fd) != 1) |
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1262 return FAIL; |
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1263 fprintf(log_fd, "'\n"); |
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1264 } |
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1265 return OK; |
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1266 } |
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1267 |
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1268 /* |
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1269 * Return the first buffer from the channel without removing it. |
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1270 * Returns NULL if there is nothing. |
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1271 */ |
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1272 char_u * |
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1273 channel_peek(channel_T *channel) |
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1274 { |
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1275 readq_T *head = &channel->ch_head; |
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1276 |
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|
1277 if (head->rq_next == NULL) |
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1278 return NULL; |
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1279 return head->rq_next->rq_buffer; |
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1280 } |
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|
1281 |
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1282 /* |
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1283 * Clear the read buffer on channel "channel". |
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1284 */ |
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changeset
|
1285 void |
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1286 channel_clear(channel_T *channel) |
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1287 { |
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1288 jsonq_T *json_head = &channel->ch_json_head; |
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1289 cbq_T *cb_head = &channel->ch_cb_head; |
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1290 |
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1291 while (channel_peek(channel) != NULL) |
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1292 vim_free(channel_get(channel)); |
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1293 |
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|
1294 while (cb_head->cq_next != NULL) |
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1295 remove_cb_node(cb_head, cb_head->cq_next); |
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1296 |
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1297 while (json_head->jq_next != NULL) |
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1298 { |
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1299 free_tv(json_head->jq_next->jq_value); |
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1300 remove_json_node(json_head, json_head->jq_next); |
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1301 } |
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1302 } |
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1303 |
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|
1304 #if defined(EXITFREE) || defined(PROTO) |
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1305 void |
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1306 channel_free_all(void) |
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1307 { |
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1308 channel_T *channel; |
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1309 |
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1310 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1311 channel_clear(channel); |
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1312 } |
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1313 #endif |
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1314 |
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1315 |
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1316 /* Sent when the channel is found closed when reading. */ |
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1317 #define DETACH_MSG "\"DETACH\"\n" |
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1318 |
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1319 /* Buffer size for reading incoming messages. */ |
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1320 #define MAXMSGSIZE 4096 |
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1321 |
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1322 /* |
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1323 * Check for reading from "fd" with "timeout" msec. |
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1324 * Return FAIL when there is nothing to read. |
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1325 * Always returns OK for FEAT_GUI_W32. |
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1326 */ |
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1327 static int |
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1328 channel_wait(channel_T *channel, int fd, int timeout) |
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1329 { |
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1330 #if defined(HAVE_SELECT) && !defined(FEAT_GUI_W32) |
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1331 struct timeval tval; |
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1332 fd_set rfds; |
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1333 int ret; |
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1334 |
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1335 if (timeout > 0) |
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1336 ch_logn(channel, "Waiting for %d msec\n", timeout); |
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1337 FD_ZERO(&rfds); |
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1338 FD_SET(fd, &rfds); |
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1339 tval.tv_sec = timeout / 1000; |
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1340 tval.tv_usec = (timeout % 1000) * 1000; |
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1341 for (;;) |
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1342 { |
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1343 ret = select(fd + 1, &rfds, NULL, NULL, &tval); |
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1344 # ifdef EINTR |
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1345 if (ret == -1 && errno == EINTR) |
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1346 continue; |
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1347 # endif |
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1348 if (ret <= 0) |
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1349 { |
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1350 ch_log(channel, "Nothing to read\n"); |
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1351 return FAIL; |
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1352 } |
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1353 break; |
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1354 } |
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1355 #else |
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1356 # ifdef HAVE_POLL |
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1357 struct pollfd fds; |
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1358 |
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1359 if (timeout > 0) |
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1360 ch_logn(channel, "Waiting for %d msec\n", timeout); |
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1361 fds.fd = fd; |
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1362 fds.events = POLLIN; |
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1363 if (poll(&fds, 1, timeout) <= 0) |
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1364 { |
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1365 ch_log(channel, "Nothing to read\n"); |
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1366 return FAIL; |
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1367 } |
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1368 # endif |
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1369 #endif |
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1370 return OK; |
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1371 } |
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1372 |
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1373 /* |
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1374 * Return a unique ID to be used in a message. |
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1375 */ |
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1376 int |
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1377 channel_get_id(void) |
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1378 { |
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1379 static int next_id = 1; |
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1380 |
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1381 return next_id++; |
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1382 } |
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1383 |
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1384 /* |
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1385 * Get the file descriptor to read from, either the socket or stdout. |
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1386 * TODO: never gets stderr. |
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1387 */ |
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1388 static int |
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1389 get_read_fd(channel_T *channel) |
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1390 { |
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1391 if (channel->CH_SOCK >= 0) |
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1392 return channel->CH_SOCK; |
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1393 #if defined(CHANNEL_PIPES) |
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1394 if (channel->CH_OUT >= 0) |
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1395 return channel->CH_OUT; |
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1396 #endif |
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1397 ch_error(channel, "channel_read() called while socket is closed\n"); |
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1398 return -1; |
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1399 } |
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1400 |
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1401 /* |
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1402 * Read from channel "channel" for as long as there is something to read. |
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1403 * "which" is CHAN_SOCK, CHAN_OUT or CHAN_ERR. When -1 guess. |
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1404 * The data is put in the read queue. |
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1405 */ |
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1406 void |
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1407 channel_read(channel_T *channel, int which, char *func) |
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1408 { |
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1409 static char_u *buf = NULL; |
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1410 int len = 0; |
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1411 int readlen = 0; |
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1412 int fd; |
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1413 int use_socket = FALSE; |
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1414 |
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1415 if (which < 0) |
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1416 fd = get_read_fd(channel); |
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1417 else |
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1418 fd = channel->ch_pfd[which].ch_fd; |
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1419 if (fd < 0) |
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1420 return; |
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1421 use_socket = fd == channel->CH_SOCK; |
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1422 |
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1423 /* Allocate a buffer to read into. */ |
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1424 if (buf == NULL) |
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1425 { |
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1426 buf = alloc(MAXMSGSIZE); |
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1427 if (buf == NULL) |
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1428 return; /* out of memory! */ |
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1429 } |
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1430 |
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1431 /* Keep on reading for as long as there is something to read. |
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1432 * Use select() or poll() to avoid blocking on a message that is exactly |
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1433 * MAXMSGSIZE long. */ |
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1434 for (;;) |
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1435 { |
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1436 if (channel_wait(channel, fd, 0) == FAIL) |
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1437 break; |
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1438 if (use_socket) |
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1439 len = sock_read(fd, buf, MAXMSGSIZE); |
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1440 else |
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1441 len = read(fd, buf, MAXMSGSIZE); |
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1442 if (len <= 0) |
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1443 break; /* error or nothing more to read */ |
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1444 |
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1445 /* Store the read message in the queue. */ |
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1446 channel_save(channel, buf, len); |
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1447 readlen += len; |
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1448 if (len < MAXMSGSIZE) |
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1449 break; /* did read everything that's available */ |
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1450 } |
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1451 #ifdef FEAT_GUI_W32 |
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1452 if (use_socket && len == SOCKET_ERROR) |
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1453 { |
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1454 /* For Win32 GUI channel_wait() always returns OK and we handle the |
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1455 * situation that there is nothing to read here. |
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1456 * TODO: how about a timeout? */ |
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1457 if (WSAGetLastError() == WSAEWOULDBLOCK) |
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1458 return; |
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1459 } |
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1460 #endif |
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1461 |
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1462 /* Reading a socket disconnection (readlen == 0), or a socket error. */ |
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1463 if (readlen <= 0) |
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1464 { |
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1465 /* Queue a "DETACH" netbeans message in the command queue in order to |
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1466 * terminate the netbeans session later. Do not end the session here |
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1467 * directly as we may be running in the context of a call to |
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1468 * netbeans_parse_messages(): |
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1469 * netbeans_parse_messages |
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1470 * -> autocmd triggered while processing the netbeans cmd |
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1471 * -> ui_breakcheck |
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1472 * -> gui event loop or select loop |
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1473 * -> channel_read() |
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1474 */ |
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1475 ch_errors(channel, "%s(): Cannot read\n", func); |
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1476 channel_save(channel, (char_u *)DETACH_MSG, (int)STRLEN(DETACH_MSG)); |
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1477 |
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1478 if (use_socket) |
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1479 { |
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1480 channel_close(channel); |
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1481 if (channel->ch_close_cb != NULL) |
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1482 (*channel->ch_close_cb)(); |
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1483 } |
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1484 #if defined(CHANNEL_PIPES) |
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1485 else |
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1486 { |
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1487 close(fd); |
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|
1488 channel->CH_OUT = -1; |
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1489 } |
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|
1490 #endif |
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1491 |
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1492 if (len < 0) |
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1493 { |
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1494 ch_error(channel, "channel_read(): cannot read from channel\n"); |
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1495 PERROR(_("E896: read from channel")); |
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1496 } |
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1497 } |
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|
1498 |
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1499 #if defined(CH_HAS_GUI) && defined(FEAT_GUI_GTK) |
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1500 /* signal the main loop that there is something to read */ |
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1501 if (CH_HAS_GUI && gtk_main_level() > 0) |
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1502 gtk_main_quit(); |
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1503 #endif |
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1504 } |
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1505 |
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1506 /* |
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1507 * Read from raw channel "channel". Blocks until there is something to read or |
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1508 * the timeout expires. |
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1509 * Returns what was read in allocated memory. |
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1510 * Returns NULL in case of error or timeout. |
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1511 */ |
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1512 char_u * |
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1513 channel_read_block(channel_T *channel) |
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1514 { |
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1515 ch_log(channel, "Reading raw\n"); |
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1516 if (channel_peek(channel) == NULL) |
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1517 { |
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1518 int fd = get_read_fd(channel); |
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1519 |
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1520 /* TODO: read both out and err if they are different */ |
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1521 ch_log(channel, "No readahead\n"); |
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1522 /* Wait for up to the channel timeout. */ |
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1523 if (fd < 0 || channel_wait(channel, fd, channel->ch_timeout) == FAIL) |
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1524 return NULL; |
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1525 channel_read(channel, -1, "channel_read_block"); |
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1526 } |
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1527 |
8031
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1528 /* TODO: only get the first message */ |
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1529 ch_log(channel, "Returning readahead\n"); |
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1530 return channel_get_all(channel); |
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1531 } |
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1532 |
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1533 /* |
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1534 * Read one JSON message with ID "id" from channel "channel" and store the |
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1535 * result in "rettv". |
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1536 * Blocks until the message is received or the timeout is reached. |
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1537 */ |
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|
1538 int |
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|
1539 channel_read_json_block(channel_T *channel, int id, typval_T **rettv) |
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1540 { |
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|
1541 int more; |
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1542 int fd; |
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1543 |
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|
1544 ch_log(channel, "Reading JSON\n"); |
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1545 channel->ch_block_id = id; |
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1546 for (;;) |
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1547 { |
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|
1548 more = channel_parse_json(channel); |
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1549 |
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|
1550 /* search for messsage "id" */ |
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|
1551 if (channel_get_json(channel, id, rettv) == OK) |
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1552 { |
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1553 channel->ch_block_id = 0; |
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1554 return OK; |
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1555 } |
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1556 |
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1557 if (!more) |
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1558 { |
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|
1559 /* Handle any other messages in the queue. If done some more |
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|
1560 * messages may have arrived. */ |
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|
1561 if (channel_parse_messages()) |
93c61501c2cf
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1562 continue; |
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1563 |
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|
1564 /* Wait for up to the channel timeout. */ |
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1565 fd = get_read_fd(channel); |
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1566 if (fd < 0 || channel_wait(channel, fd, channel->ch_timeout) |
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1567 == FAIL) |
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|
1568 break; |
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|
1569 channel_read(channel, -1, "channel_read_json_block"); |
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1570 } |
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1571 } |
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|
1572 channel->ch_block_id = 0; |
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|
1573 return FAIL; |
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|
1574 } |
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|
1575 |
7797
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|
1576 # if defined(WIN32) || defined(PROTO) |
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|
1577 /* |
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|
1578 * Lookup the channel from the socket. Set "which" to the fd index. |
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|
1579 * Returns NULL when the socket isn't found. |
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|
1580 */ |
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|
1581 channel_T * |
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|
1582 channel_fd2channel(sock_T fd, int *whichp) |
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|
1583 { |
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|
1584 channel_T *channel; |
7c74cafac0a1
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|
1585 int i; |
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|
1586 |
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|
1587 if (fd >= 0) |
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|
1588 for (channel = first_channel; channel != NULL; |
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|
1589 channel = channel->ch_next) |
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|
1590 # ifdef CHANNEL_PIPES |
7c74cafac0a1
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1591 for (i = CHAN_SOCK; i < CHAN_IN; ++i) |
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1592 # else |
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|
1593 i = CHAN_SOCK; |
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1594 # endif |
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|
1595 if (channel->ch_pfd[i].ch_fd == fd) |
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1596 { |
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|
1597 *whichp = i; |
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|
1598 return channel |
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1599 } |
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1600 return NULL; |
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1601 } |
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1602 # endif |
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1603 |
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1604 /* |
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1605 * Write "buf" (NUL terminated string) to channel "channel". |
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1606 * When "fun" is not NULL an error message might be given. |
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1607 * Return FAIL or OK. |
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1608 */ |
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|
1609 int |
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1610 channel_send(channel_T *channel, char_u *buf, char *fun) |
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1611 { |
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1612 int len = (int)STRLEN(buf); |
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1613 int res; |
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|
1614 int fd = -1; |
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1615 int use_socket = FALSE; |
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1616 |
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1617 if (channel->CH_SOCK >= 0) |
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1618 { |
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|
1619 fd = channel->CH_SOCK; |
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1620 use_socket = TRUE; |
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1621 } |
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1622 #if defined(CHANNEL_PIPES) |
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1623 else if (channel->CH_IN >= 0) |
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1624 fd = channel->CH_IN; |
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1625 #endif |
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1626 if (fd < 0) |
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1627 { |
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1628 if (!channel->ch_error && fun != NULL) |
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1629 { |
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|
1630 ch_errors(channel, "%s(): write while not connected\n", fun); |
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|
1631 EMSG2("E630: %s(): write while not connected", fun); |
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1632 } |
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|
1633 channel->ch_error = TRUE; |
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1634 return FAIL; |
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1635 } |
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1636 |
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1637 if (log_fd != NULL) |
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1638 { |
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|
1639 ch_log_lead("SEND ", channel); |
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|
1640 fprintf(log_fd, "'"); |
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|
1641 ignored = fwrite(buf, len, 1, log_fd); |
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|
1642 fprintf(log_fd, "'\n"); |
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1643 fflush(log_fd); |
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1644 } |
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1645 |
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1646 if (use_socket) |
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1647 res = sock_write(fd, buf, len); |
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1648 else |
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1649 res = write(fd, buf, len); |
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1650 if (res != len) |
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1651 { |
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|
1652 if (!channel->ch_error && fun != NULL) |
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1653 { |
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1654 ch_errors(channel, "%s(): write failed\n", fun); |
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1655 EMSG2("E631: %s(): write failed", fun); |
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1656 } |
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|
1657 channel->ch_error = TRUE; |
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1658 return FAIL; |
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|
1659 } |
7788
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|
1660 |
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|
1661 channel->ch_error = FALSE; |
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1662 return OK; |
7770
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|
1663 } |
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|
1664 |
42c1a4e63d12
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|
1665 # if (defined(UNIX) && !defined(HAVE_SELECT)) || defined(PROTO) |
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|
1666 /* |
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|
1667 * Add open channels to the poll struct. |
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|
1668 * Return the adjusted struct index. |
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|
1669 * The type of "fds" is hidden to avoid problems with the function proto. |
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|
1670 */ |
6069f43cea4e
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|
1671 int |
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|
1672 channel_poll_setup(int nfd_in, void *fds_in) |
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|
1673 { |
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|
1674 int nfd = nfd_in; |
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|
1675 channel_T *channel; |
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|
1676 struct pollfd *fds = fds_in; |
7c74cafac0a1
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|
1677 int which; |
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1678 |
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1679 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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|
1680 # ifdef CHANNEL_PIPES |
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1681 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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|
1682 # else |
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|
1683 which = CHAN_SOCK; |
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|
1684 # endif |
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|
1685 if (channel->ch_pfd[which].ch_fd >= 0) |
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|
1686 { |
7c74cafac0a1
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|
1687 channel->ch_pfd[which].ch_poll_idx = nfd; |
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|
1688 fds[nfd].fd = channel->ch_pfd[which].ch_fd; |
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|
1689 fds[nfd].events = POLLIN; |
7c74cafac0a1
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|
1690 nfd++; |
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|
1691 } |
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|
1692 else |
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|
1693 channel->ch_pfd[which].ch_poll_idx = -1; |
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1694 |
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1695 return nfd; |
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1696 } |
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1697 |
6069f43cea4e
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1698 /* |
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1699 * The type of "fds" is hidden to avoid problems with the function proto. |
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1700 */ |
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|
1701 int |
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|
1702 channel_poll_check(int ret_in, void *fds_in) |
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|
1703 { |
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|
1704 int ret = ret_in; |
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|
1705 channel_T *channel; |
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1706 struct pollfd *fds = fds_in; |
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|
1707 int which; |
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1708 |
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1709 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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|
1710 # ifdef CHANNEL_PIPES |
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1711 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1712 # else |
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|
1713 which = CHAN_SOCK; |
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|
1714 # endif |
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|
1715 { |
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|
1716 int idx = channel->ch_pfd[which].ch_poll_idx; |
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1717 |
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1718 if (ret > 0 && idx != -1 && fds[idx].revents & POLLIN) |
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|
1719 { |
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|
1720 channel_read(channel, which, "channel_poll_check"); |
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|
1721 --ret; |
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1722 } |
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1723 } |
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1724 |
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1725 return ret; |
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1726 } |
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|
1727 # endif /* UNIX && !HAVE_SELECT */ |
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1728 |
7797
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|
1729 # if (!defined(FEAT_GUI_W32) && defined(HAVE_SELECT)) || defined(PROTO) |
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1730 /* |
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1731 * The type of "rfds" is hidden to avoid problems with the function proto. |
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1732 */ |
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|
1733 int |
6069f43cea4e
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|
1734 channel_select_setup(int maxfd_in, void *rfds_in) |
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|
1735 { |
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|
1736 int maxfd = maxfd_in; |
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|
1737 channel_T *channel; |
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|
1738 fd_set *rfds = rfds_in; |
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1739 int which; |
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1740 |
8041
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1741 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1742 # ifdef CHANNEL_PIPES |
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1743 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1744 # else |
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1745 which = CHAN_SOCK; |
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|
1746 # endif |
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|
1747 { |
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|
1748 sock_T fd = channel->ch_pfd[which].ch_fd; |
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|
1749 |
7c74cafac0a1
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|
1750 if (fd >= 0) |
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|
1751 { |
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|
1752 FD_SET(fd, rfds); |
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|
1753 if (maxfd < fd) |
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|
1754 maxfd = fd; |
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|
1755 } |
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|
1756 } |
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|
1757 |
6069f43cea4e
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|
1758 return maxfd; |
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|
1759 } |
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|
1760 |
6069f43cea4e
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|
1761 /* |
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|
1762 * The type of "rfds" is hidden to avoid problems with the function proto. |
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1763 */ |
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|
1764 int |
6069f43cea4e
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|
1765 channel_select_check(int ret_in, void *rfds_in) |
6069f43cea4e
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|
1766 { |
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|
1767 int ret = ret_in; |
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|
1768 channel_T *channel; |
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1769 fd_set *rfds = rfds_in; |
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|
1770 int which; |
7743
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1771 |
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1772 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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|
1773 # ifdef CHANNEL_PIPES |
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1774 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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|
1775 # else |
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1776 which = CHAN_SOCK; |
7c74cafac0a1
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|
1777 # endif |
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|
1778 { |
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|
1779 sock_T fd = channel->ch_pfd[which].ch_fd; |
7c74cafac0a1
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|
1780 |
7c74cafac0a1
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1781 if (ret > 0 && fd >= 0 && FD_ISSET(fd, rfds)) |
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1782 { |
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1783 channel_read(channel, which, "channel_select_check"); |
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1784 --ret; |
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1785 } |
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1786 } |
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1787 |
6069f43cea4e
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1788 return ret; |
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1789 } |
7797
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1790 # endif /* !FEAT_GUI_W32 && HAVE_SELECT */ |
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1791 |
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1792 /* |
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1793 * Execute queued up commands. |
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1794 * Invoked from the main loop when it's safe to execute received commands. |
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1795 * Return TRUE when something was done. |
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1796 */ |
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1797 int |
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1798 channel_parse_messages(void) |
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1799 { |
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1800 channel_T *channel; |
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1801 int ret = FALSE; |
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1802 |
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1803 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1804 while (may_invoke_callback(channel) == OK) |
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1805 { |
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1806 channel = first_channel; /* start over */ |
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1807 ret = TRUE; |
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1808 } |
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1809 return ret; |
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1810 } |
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1811 |
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1812 /* |
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1813 * Mark references to lists used in channels. |
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1814 */ |
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1815 int |
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1816 set_ref_in_channel(int copyID) |
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1817 { |
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1818 int abort = FALSE; |
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1819 channel_T *channel; |
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1820 |
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1821 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1822 { |
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1823 jsonq_T *head = &channel->ch_json_head; |
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1824 jsonq_T *item = head->jq_next; |
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1825 |
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1826 while (item != NULL) |
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1827 { |
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1828 list_T *l = item->jq_value->vval.v_list; |
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1829 |
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1830 if (l->lv_copyID != copyID) |
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1831 { |
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|
1832 l->lv_copyID = copyID; |
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1833 abort = abort || set_ref_in_list(l, copyID, NULL); |
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1834 } |
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1835 item = item->jq_next; |
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1836 } |
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commit https://github.com/vim/vim/commit/4b6a6dcbe7bd13170c4884cc17acb1eac2c633d1
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1837 } |
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commit https://github.com/vim/vim/commit/4b6a6dcbe7bd13170c4884cc17acb1eac2c633d1
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1838 return abort; |
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commit https://github.com/vim/vim/commit/4b6a6dcbe7bd13170c4884cc17acb1eac2c633d1
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1839 } |
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1840 |
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commit https://github.com/vim/vim/commit/ae8eb3ca927f1b0ac2a6643da8699538cdc380f6
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1841 /* |
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1842 * Return the mode of channel "channel". |
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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1843 * If "channel" is invalid returns MODE_JSON. |
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1844 */ |
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commit https://github.com/vim/vim/commit/ae8eb3ca927f1b0ac2a6643da8699538cdc380f6
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1845 ch_mode_T |
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1846 channel_get_mode(channel_T *channel) |
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1847 { |
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1848 if (channel == NULL) |
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1849 return MODE_JSON; |
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1850 return channel->ch_mode; |
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1851 } |
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1852 |
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1853 #endif /* FEAT_CHANNEL */ |