Mercurial > vim
annotate src/channel.c @ 7999:92ad477c6ab3 v7.4.1294
commit https://github.com/vim/vim/commit/7280140c08799f683ef31a6c1019e283c3dc13aa
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Feb 9 11:37:50 2016 +0100
patch 7.4.1294
Problem: job_stop() only kills the started process.
Solution: Send the signal to the process group. (Olaf Dabrunz)
author | Christian Brabandt <cb@256bit.org> |
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date | Tue, 09 Feb 2016 11:45:05 +0100 |
parents | c1c9ab17e197 |
children | b2cfa3416ba0 |
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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 /* |
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18 * Change the zero to 1 to enable debugging. |
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19 * This will write a file "channel_debug.log". |
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20 */ |
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21 #if 0 |
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22 # define CHERROR(fmt, arg) cherror(fmt, arg) |
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23 # define CHLOG(idx, send, buf) chlog(idx, send, buf) |
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24 # define CHFILE "channel_debug.log" |
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25 |
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26 static void cherror(char *fmt, char *arg); |
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27 static void chlog(int send, char_u *buf); |
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28 #else |
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29 # define CHERROR(fmt, arg) |
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30 # define CHLOG(idx, send, buf) |
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31 #endif |
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32 |
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33 /* TRUE when netbeans is running with a GUI. */ |
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34 #ifdef FEAT_GUI |
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35 # define CH_HAS_GUI (gui.in_use || gui.starting) |
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36 #endif |
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37 |
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38 /* Note: when making changes here also adjust configure.in. */ |
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39 #ifdef WIN32 |
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40 /* WinSock API is separated from C API, thus we can't use read(), write(), |
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41 * errno... */ |
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42 # define SOCK_ERRNO errno = WSAGetLastError() |
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43 # undef ECONNREFUSED |
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44 # define ECONNREFUSED WSAECONNREFUSED |
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45 # undef EWOULDBLOCK |
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46 # define EWOULDBLOCK WSAEWOULDBLOCK |
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47 # ifdef EINTR |
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48 # undef EINTR |
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49 # endif |
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50 # define EINTR WSAEINTR |
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51 # define sock_write(sd, buf, len) send(sd, buf, len, 0) |
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52 # define sock_read(sd, buf, len) recv(sd, buf, len, 0) |
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53 # define sock_close(sd) closesocket(sd) |
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54 # define sleep(t) Sleep(t*1000) /* WinAPI Sleep() accepts milliseconds */ |
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55 #else |
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56 # include <netdb.h> |
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57 # include <netinet/in.h> |
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58 |
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59 # include <sys/socket.h> |
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60 # ifdef HAVE_LIBGEN_H |
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61 # include <libgen.h> |
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62 # endif |
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63 # define SOCK_ERRNO |
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64 # define sock_write(sd, buf, len) write(sd, buf, len) |
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65 # define sock_read(sd, buf, len) read(sd, buf, len) |
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66 # define sock_close(sd) close(sd) |
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67 #endif |
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68 |
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69 #ifdef FEAT_GUI_W32 |
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70 extern HWND s_hwnd; /* Gvim's Window handle */ |
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71 #endif |
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72 |
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73 struct readqueue |
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74 { |
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75 char_u *buffer; |
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76 struct readqueue *next; |
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77 struct readqueue *prev; |
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78 }; |
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79 typedef struct readqueue readq_T; |
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80 |
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81 struct jsonqueue |
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82 { |
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83 typval_T *value; |
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84 struct jsonqueue *next; |
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85 struct jsonqueue *prev; |
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86 }; |
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87 typedef struct jsonqueue jsonq_T; |
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88 |
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89 struct cbqueue |
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90 { |
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91 char_u *callback; |
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92 int seq_nr; |
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93 struct cbqueue *next; |
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94 struct cbqueue *prev; |
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95 }; |
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96 typedef struct cbqueue cbq_T; |
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97 |
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98 typedef struct { |
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99 sock_T ch_fd; /* the socket, -1 for a closed channel */ |
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100 int ch_idx; /* used by channel_poll_setup() */ |
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101 readq_T ch_head; /* dummy node, header for circular queue */ |
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102 |
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103 int ch_error; /* When TRUE an error was reported. Avoids giving |
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104 * pages full of error messages when the other side |
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105 * has exited, only mention the first error until the |
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106 * connection works again. */ |
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107 #ifdef FEAT_GUI_X11 |
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108 XtInputId ch_inputHandler; /* Cookie for input */ |
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109 #endif |
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110 #ifdef FEAT_GUI_GTK |
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111 gint ch_inputHandler; /* Cookie for input */ |
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112 #endif |
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113 #ifdef WIN32 |
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114 int ch_inputHandler; /* simply ret.value of WSAAsyncSelect() */ |
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115 #endif |
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116 |
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117 void (*ch_close_cb)(void); /* callback for when channel is closed */ |
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118 |
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119 int ch_block_id; /* ID that channel_read_json_block() is |
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120 waiting for */ |
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121 char_u *ch_callback; /* function to call when a msg is not handled */ |
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122 cbq_T ch_cb_head; /* dummy node for pre-request callbacks */ |
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123 |
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124 ch_mode_T ch_mode; |
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125 jsonq_T ch_json_head; /* dummy node, header for circular queue */ |
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126 |
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127 int ch_timeout; /* request timeout in msec */ |
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128 } channel_T; |
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129 |
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130 /* |
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131 * Information about all channels. |
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132 * There can be gaps for closed channels, they will be reused later. |
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133 */ |
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134 static channel_T *channels = NULL; |
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135 static int channel_count = 0; |
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136 |
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137 /* |
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138 * TODO: open debug file when desired. |
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139 */ |
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140 FILE *debugfd = NULL; |
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141 |
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142 #ifdef _WIN32 |
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143 # undef PERROR |
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144 # define PERROR(msg) (void)emsg3((char_u *)"%s: %s", \ |
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145 (char_u *)msg, (char_u *)strerror_win32(errno)) |
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146 |
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147 static char * |
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148 strerror_win32(int eno) |
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149 { |
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150 static LPVOID msgbuf = NULL; |
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151 char_u *ptr; |
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152 |
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153 if (msgbuf) |
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154 LocalFree(msgbuf); |
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155 FormatMessage( |
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156 FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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157 FORMAT_MESSAGE_FROM_SYSTEM | |
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158 FORMAT_MESSAGE_IGNORE_INSERTS, |
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159 NULL, |
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160 eno, |
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161 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), |
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162 (LPTSTR) &msgbuf, |
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163 0, |
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164 NULL); |
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165 /* chomp \r or \n */ |
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166 for (ptr = (char_u *)msgbuf; *ptr; ptr++) |
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167 switch (*ptr) |
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168 { |
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169 case '\r': |
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170 STRMOVE(ptr, ptr + 1); |
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171 ptr--; |
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172 break; |
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173 case '\n': |
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174 if (*(ptr + 1) == '\0') |
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175 *ptr = '\0'; |
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176 else |
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177 *ptr = ' '; |
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178 break; |
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179 } |
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180 return msgbuf; |
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181 } |
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182 #endif |
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183 |
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184 /* |
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185 * Add a new channel slot, return the index. |
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186 * The channel isn't actually used into ch_fd is set >= 0; |
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187 * Returns -1 if all channels are in use. |
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188 */ |
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189 static int |
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190 add_channel(void) |
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191 { |
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192 int idx; |
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193 channel_T *ch; |
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194 |
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195 if (channels != NULL) |
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196 { |
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197 for (idx = 0; idx < channel_count; ++idx) |
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198 if (channels[idx].ch_fd < 0) |
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199 /* re-use a closed channel slot */ |
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200 return idx; |
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201 if (channel_count == MAX_OPEN_CHANNELS) |
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202 return -1; |
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203 } |
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204 else |
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205 { |
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206 channels = (channel_T *)alloc((int)sizeof(channel_T) |
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207 * MAX_OPEN_CHANNELS); |
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208 if (channels == NULL) |
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209 return -1; |
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210 } |
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211 |
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212 ch = &channels[channel_count]; |
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213 (void)vim_memset(ch, 0, sizeof(channel_T)); |
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214 |
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215 ch->ch_fd = (sock_T)-1; |
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216 #ifdef FEAT_GUI_X11 |
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217 ch->ch_inputHandler = (XtInputId)NULL; |
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218 #endif |
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219 #ifdef FEAT_GUI_GTK |
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220 ch->ch_inputHandler = 0; |
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221 #endif |
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222 #ifdef FEAT_GUI_W32 |
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223 ch->ch_inputHandler = -1; |
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224 #endif |
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225 /* initialize circular queues */ |
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226 ch->ch_head.next = &ch->ch_head; |
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227 ch->ch_head.prev = &ch->ch_head; |
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228 ch->ch_cb_head.next = &ch->ch_cb_head; |
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229 ch->ch_cb_head.prev = &ch->ch_cb_head; |
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230 ch->ch_json_head.next = &ch->ch_json_head; |
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231 ch->ch_json_head.prev = &ch->ch_json_head; |
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232 |
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233 ch->ch_timeout = 2000; |
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234 |
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235 return channel_count++; |
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236 } |
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237 |
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238 #if defined(FEAT_GUI) || defined(PROTO) |
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239 /* |
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240 * Read a command from netbeans. |
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241 */ |
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242 #ifdef FEAT_GUI_X11 |
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243 static void |
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244 messageFromNetbeans(XtPointer clientData, |
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245 int *unused1 UNUSED, |
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246 XtInputId *unused2 UNUSED) |
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247 { |
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248 channel_read((int)(long)clientData); |
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249 } |
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250 #endif |
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251 |
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252 #ifdef FEAT_GUI_GTK |
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253 static void |
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254 messageFromNetbeans(gpointer clientData, |
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255 gint unused1 UNUSED, |
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256 GdkInputCondition unused2 UNUSED) |
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257 { |
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258 channel_read((int)(long)clientData); |
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259 } |
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260 #endif |
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261 |
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262 static void |
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263 channel_gui_register(int idx) |
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264 { |
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265 channel_T *channel = &channels[idx]; |
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266 |
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267 if (!CH_HAS_GUI) |
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268 return; |
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269 |
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270 # ifdef FEAT_GUI_X11 |
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271 /* tell notifier we are interested in being called |
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272 * when there is input on the editor connection socket |
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273 */ |
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274 if (channel->ch_inputHandler == (XtInputId)NULL) |
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275 channel->ch_inputHandler = |
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276 XtAppAddInput((XtAppContext)app_context, channel->ch_fd, |
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277 (XtPointer)(XtInputReadMask + XtInputExceptMask), |
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278 messageFromNetbeans, (XtPointer)(long)idx); |
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279 # else |
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280 # ifdef FEAT_GUI_GTK |
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281 /* |
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282 * Tell gdk we are interested in being called when there |
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283 * is input on the editor connection socket |
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284 */ |
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285 if (channel->ch_inputHandler == 0) |
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286 channel->ch_inputHandler = |
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287 gdk_input_add((gint)channel->ch_fd, (GdkInputCondition) |
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288 ((int)GDK_INPUT_READ + (int)GDK_INPUT_EXCEPTION), |
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289 messageFromNetbeans, (gpointer)(long)idx); |
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290 # else |
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291 # ifdef FEAT_GUI_W32 |
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292 /* |
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293 * Tell Windows we are interested in receiving message when there |
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294 * is input on the editor connection socket. |
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295 */ |
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296 if (channel->ch_inputHandler == -1) |
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297 channel->ch_inputHandler = |
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298 WSAAsyncSelect(channel->ch_fd, s_hwnd, WM_NETBEANS, FD_READ); |
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299 # endif |
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300 # endif |
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301 # endif |
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302 } |
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303 |
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304 /* |
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305 * Register any of our file descriptors with the GUI event handling system. |
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306 * Called when the GUI has started. |
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307 */ |
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308 void |
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309 channel_gui_register_all(void) |
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310 { |
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311 int i; |
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312 |
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313 for (i = 0; i < channel_count; ++i) |
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314 if (channels[i].ch_fd >= 0) |
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315 channel_gui_register(i); |
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316 } |
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317 |
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318 static void |
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319 channel_gui_unregister(int idx) |
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320 { |
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321 channel_T *channel = &channels[idx]; |
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322 |
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323 # ifdef FEAT_GUI_X11 |
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324 if (channel->ch_inputHandler != (XtInputId)NULL) |
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325 { |
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326 XtRemoveInput(channel->ch_inputHandler); |
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327 channel->ch_inputHandler = (XtInputId)NULL; |
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328 } |
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329 # else |
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330 # ifdef FEAT_GUI_GTK |
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331 if (channel->ch_inputHandler != 0) |
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332 { |
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333 gdk_input_remove(channel->ch_inputHandler); |
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334 channel->ch_inputHandler = 0; |
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335 } |
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336 # else |
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337 # ifdef FEAT_GUI_W32 |
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338 if (channel->ch_inputHandler == 0) |
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339 { |
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340 WSAAsyncSelect(channel->ch_fd, s_hwnd, 0, 0); |
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341 channel->ch_inputHandler = -1; |
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342 } |
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343 # endif |
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344 # endif |
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345 # endif |
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346 } |
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347 |
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348 #endif |
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349 |
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350 /* |
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351 * Open a channel to "hostname":"port". |
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352 * Returns the channel number for success. |
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353 * Returns a negative number for failure. |
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354 */ |
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355 int |
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356 channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void)) |
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357 { |
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358 int sd; |
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359 struct sockaddr_in server; |
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360 struct hostent * host; |
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361 #ifdef WIN32 |
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362 u_short port = port_in; |
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363 u_long val = 1; |
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364 #else |
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365 int port = port_in; |
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366 #endif |
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367 int idx; |
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368 int ret; |
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369 |
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370 #ifdef WIN32 |
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371 channel_init_winsock(); |
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372 #endif |
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373 |
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374 idx = add_channel(); |
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375 if (idx < 0) |
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376 { |
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377 CHERROR("All channels are in use\n", ""); |
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378 EMSG(_("E897: All channels are in use")); |
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379 return -1; |
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380 } |
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381 |
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382 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1) |
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383 { |
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384 CHERROR("error in socket() in channel_open()\n", ""); |
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385 PERROR("E898: socket() in channel_open()"); |
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386 return -1; |
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387 } |
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388 |
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389 /* Get the server internet address and put into addr structure */ |
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390 /* fill in the socket address structure and connect to server */ |
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391 vim_memset((char *)&server, 0, sizeof(server)); |
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392 server.sin_family = AF_INET; |
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393 server.sin_port = htons(port); |
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394 if ((host = gethostbyname(hostname)) == NULL) |
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395 { |
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396 CHERROR("error in gethostbyname() in channel_open()\n", ""); |
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397 PERROR("E901: gethostbyname() in channel_open()"); |
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398 sock_close(sd); |
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399 return -1; |
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400 } |
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401 memcpy((char *)&server.sin_addr, host->h_addr, host->h_length); |
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402 |
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403 if (waittime >= 0) |
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404 { |
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405 /* Make connect non-blocking. */ |
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406 if ( |
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407 #ifdef _WIN32 |
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408 ioctlsocket(sd, FIONBIO, &val) < 0 |
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409 #else |
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410 fcntl(sd, F_SETFL, O_NONBLOCK) < 0 |
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411 #endif |
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412 ) |
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413 { |
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414 SOCK_ERRNO; |
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415 CHERROR("channel_open: Connect failed with errno %d\n", errno); |
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416 sock_close(sd); |
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417 return -1; |
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418 } |
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419 } |
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420 |
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421 /* Try connecting to the server. */ |
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422 ret = connect(sd, (struct sockaddr *)&server, sizeof(server)); |
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423 SOCK_ERRNO; |
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424 if (ret < 0) |
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425 { |
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426 if (errno != EWOULDBLOCK && errno != EINPROGRESS) |
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427 { |
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428 CHERROR("channel_open: Connect failed with errno %d\n", errno); |
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429 CHERROR("Cannot connect to port\n", ""); |
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430 PERROR(_("E902: Cannot connect to port")); |
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431 sock_close(sd); |
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432 return -1; |
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433 } |
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434 } |
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435 |
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436 if (waittime >= 0 && ret < 0) |
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437 { |
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438 struct timeval tv; |
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439 fd_set wfds; |
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440 |
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441 FD_ZERO(&wfds); |
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442 FD_SET(sd, &wfds); |
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443 tv.tv_sec = waittime / 1000; |
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444 tv.tv_usec = (waittime % 1000) * 1000; |
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445 ret = select((int)sd + 1, NULL, &wfds, NULL, &tv); |
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446 if (ret < 0) |
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447 { |
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448 SOCK_ERRNO; |
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449 CHERROR("channel_open: Connect failed with errno %d\n", errno); |
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450 CHERROR("Cannot connect to port\n", ""); |
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451 PERROR(_("E902: Cannot connect to port")); |
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452 sock_close(sd); |
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453 return -1; |
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454 } |
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455 if (!FD_ISSET(sd, &wfds)) |
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456 { |
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457 /* don't give an error, we just timed out. */ |
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458 sock_close(sd); |
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459 return -1; |
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460 } |
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461 } |
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462 |
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463 if (waittime >= 0) |
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464 { |
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465 #ifdef _WIN32 |
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466 val = 0; |
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467 ioctlsocket(sd, FIONBIO, &val); |
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468 #else |
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469 (void)fcntl(sd, F_SETFL, 0); |
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470 #endif |
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471 } |
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472 |
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473 /* Only retry for netbeans. TODO: can we use a waittime instead? */ |
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474 if (errno == ECONNREFUSED && close_cb != NULL) |
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475 { |
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476 sock_close(sd); |
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477 if ((sd = (sock_T)socket(AF_INET, SOCK_STREAM, 0)) == (sock_T)-1) |
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478 { |
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479 SOCK_ERRNO; |
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480 CHERROR("socket() retry in channel_open()\n", ""); |
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481 PERROR("E900: socket() retry in channel_open()"); |
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482 return -1; |
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483 } |
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484 if (connect(sd, (struct sockaddr *)&server, sizeof(server))) |
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485 { |
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486 int retries = 36; |
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487 int success = FALSE; |
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488 |
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489 SOCK_ERRNO; |
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490 while (retries-- && ((errno == ECONNREFUSED) |
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491 || (errno == EINTR))) |
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492 { |
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493 CHERROR("retrying...\n", ""); |
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494 mch_delay(3000L, TRUE); |
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495 ui_breakcheck(); |
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496 if (got_int) |
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497 { |
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498 errno = EINTR; |
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499 break; |
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500 } |
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501 if (connect(sd, (struct sockaddr *)&server, |
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502 sizeof(server)) == 0) |
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503 { |
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504 success = TRUE; |
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505 break; |
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506 } |
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507 SOCK_ERRNO; |
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508 } |
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509 if (!success) |
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510 { |
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511 /* Get here when the server can't be found. */ |
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512 CHERROR("Cannot connect to port after retry\n", ""); |
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513 PERROR(_("E899: Cannot connect to port after retry2")); |
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514 sock_close(sd); |
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515 return -1; |
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516 } |
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517 } |
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518 } |
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519 |
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520 channels[idx].ch_fd = sd; |
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521 channels[idx].ch_close_cb = close_cb; |
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522 |
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523 #ifdef FEAT_GUI |
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524 channel_gui_register(idx); |
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525 #endif |
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526 |
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527 return idx; |
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528 } |
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529 |
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530 /* |
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531 * Set the json mode of channel "idx" to "ch_mode". |
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532 */ |
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533 void |
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534 channel_set_json_mode(int idx, ch_mode_T ch_mode) |
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535 { |
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536 channels[idx].ch_mode = ch_mode; |
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537 } |
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538 |
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539 /* |
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540 * Set the read timeout of channel "idx". |
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541 */ |
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542 void |
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543 channel_set_timeout(int idx, int timeout) |
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544 { |
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545 channels[idx].ch_timeout = timeout; |
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546 } |
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547 |
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548 /* |
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549 * Set the callback for channel "idx". |
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550 */ |
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551 void |
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552 channel_set_callback(int idx, char_u *callback) |
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553 { |
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554 vim_free(channels[idx].ch_callback); |
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555 channels[idx].ch_callback = vim_strsave(callback); |
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556 } |
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557 |
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558 /* |
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559 * Set the callback for channel "idx" for the response with "id". |
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560 */ |
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561 void |
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562 channel_set_req_callback(int idx, char_u *callback, int id) |
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563 { |
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564 cbq_T *cbhead = &channels[idx].ch_cb_head; |
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565 cbq_T *item = (cbq_T *)alloc((int)sizeof(cbq_T)); |
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566 |
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567 if (item != NULL) |
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568 { |
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569 item->callback = vim_strsave(callback); |
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570 item->seq_nr = id; |
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571 item->prev = cbhead->prev; |
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572 cbhead->prev = item; |
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573 item->next = cbhead; |
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574 item->prev->next = item; |
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575 } |
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576 } |
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577 |
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578 /* |
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579 * Invoke the "callback" on channel "idx". |
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580 */ |
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581 static void |
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582 invoke_callback(int idx, char_u *callback, typval_T *argv) |
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583 { |
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584 typval_T rettv; |
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585 int dummy; |
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586 |
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587 argv[0].v_type = VAR_NUMBER; |
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588 argv[0].vval.v_number = idx; |
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589 |
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590 call_func(callback, (int)STRLEN(callback), |
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591 &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL); |
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592 /* If an echo command was used the cursor needs to be put back where |
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593 * it belongs. */ |
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594 setcursor(); |
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595 cursor_on(); |
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596 out_flush(); |
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597 } |
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598 |
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599 /* |
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600 * Return the first buffer from the channel and remove it. |
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601 * The caller must free it. |
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602 * Returns NULL if there is nothing. |
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603 */ |
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604 char_u * |
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605 channel_get(int idx) |
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606 { |
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607 readq_T *head = &channels[idx].ch_head; |
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608 readq_T *node; |
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609 char_u *p; |
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610 |
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611 if (head->next == head || head->next == NULL) |
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612 return NULL; |
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613 node = head->next; |
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614 /* dispose of the node but keep the buffer */ |
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615 p = node->buffer; |
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616 head->next = node->next; |
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617 node->next->prev = node->prev; |
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618 vim_free(node); |
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619 return p; |
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620 } |
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621 |
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622 /* |
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623 * Returns the whole buffer contents concatenated. |
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624 */ |
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625 static char_u * |
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626 channel_get_all(int idx) |
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627 { |
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628 /* Concatenate everything into one buffer. |
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629 * TODO: avoid multiple allocations. */ |
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630 while (channel_collapse(idx) == OK) |
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631 ; |
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632 return channel_get(idx); |
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633 } |
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634 |
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635 /* |
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636 * Collapses the first and second buffer in the channel "idx". |
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637 * Returns FAIL if that is not possible. |
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638 */ |
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639 int |
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640 channel_collapse(int idx) |
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641 { |
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642 readq_T *head = &channels[idx].ch_head; |
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643 readq_T *node = head->next; |
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644 char_u *p; |
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645 |
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646 if (node == head || node == NULL || node->next == head) |
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647 return FAIL; |
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648 |
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649 p = alloc((unsigned)(STRLEN(node->buffer) |
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650 + STRLEN(node->next->buffer) + 1)); |
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651 if (p == NULL) |
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652 return FAIL; /* out of memory */ |
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653 STRCPY(p, node->buffer); |
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654 STRCAT(p, node->next->buffer); |
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655 vim_free(node->next->buffer); |
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656 node->next->buffer = p; |
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657 |
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658 /* dispose of the node and buffer */ |
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659 head->next = node->next; |
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660 node->next->prev = node->prev; |
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661 vim_free(node->buffer); |
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662 vim_free(node); |
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663 return OK; |
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664 } |
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665 |
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666 /* |
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667 * Use the read buffer of channel "ch_idx" and parse a JSON messages that is |
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668 * complete. The messages are added to the queue. |
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669 * Return TRUE if there is more to read. |
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670 */ |
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671 static int |
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672 channel_parse_json(int ch_idx) |
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673 { |
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674 js_read_T reader; |
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675 typval_T listtv; |
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676 jsonq_T *item; |
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677 channel_T *channel = &channels[ch_idx]; |
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678 jsonq_T *head = &channel->ch_json_head; |
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679 int ret; |
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680 |
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681 if (channel_peek(ch_idx) == NULL) |
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682 return FALSE; |
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683 |
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684 /* TODO: make reader work properly */ |
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685 /* reader.js_buf = channel_peek(ch_idx); */ |
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686 reader.js_buf = channel_get_all(ch_idx); |
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687 reader.js_used = 0; |
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688 reader.js_fill = NULL; |
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689 /* reader.js_fill = channel_fill; */ |
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690 reader.js_cookie = &ch_idx; |
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691 ret = json_decode(&reader, &listtv, |
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692 channel->ch_mode == MODE_JS ? JSON_JS : 0); |
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693 if (ret == OK) |
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694 { |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
695 /* 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>
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diff
changeset
|
696 * items. */ |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
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diff
changeset
|
697 if (listtv.v_type != VAR_LIST || listtv.vval.v_list->lv_len < 2) |
7899
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commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
698 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
699 /* TODO: give error */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
700 clear_tv(&listtv); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
701 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
702 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
703 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
704 item = (jsonq_T *)alloc((unsigned)sizeof(jsonq_T)); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
705 if (item == NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
706 clear_tv(&listtv); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
707 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
708 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
709 item->value = alloc_tv(); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
710 if (item->value == NULL) |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
711 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
712 vim_free(item); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
713 clear_tv(&listtv); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
714 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
715 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
716 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
717 *item->value = listtv; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
718 item->prev = head->prev; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
719 head->prev = item; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
720 item->next = head; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
721 item->prev->next = item; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
722 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
723 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
724 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
725 } |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
726 |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
727 /* Put the unread part back into the channel. |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
728 * TODO: insert in front */ |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
729 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
|
730 { |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
731 channel_save(ch_idx, reader.js_buf + reader.js_used, |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
732 (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:
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diff
changeset
|
733 ret = TRUE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
734 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
735 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
736 ret = FALSE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
737 |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
738 vim_free(reader.js_buf); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
739 return ret; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
740 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
741 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
742 /* |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
743 * 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:
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diff
changeset
|
744 * Also frees the contained callback name. |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
745 */ |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
746 static void |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
747 remove_cb_node(cbq_T *node) |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
748 { |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
749 node->prev->next = node->next; |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
750 node->next->prev = node->prev; |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
751 vim_free(node->callback); |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
752 vim_free(node); |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
753 } |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
754 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
755 /* |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
756 * Remove "node" from the queue that it is in and free it. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
757 * Caller should have freed or used node->value. |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
758 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
759 static void |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
760 remove_json_node(jsonq_T *node) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
761 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
762 node->prev->next = node->next; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
763 node->next->prev = node->prev; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
764 vim_free(node); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
765 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
766 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
767 /* |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
768 * Get a message from the JSON queue for channel "ch_idx". |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
769 * 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>
parents:
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diff
changeset
|
770 * 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
|
771 * with id 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
|
772 * Return OK when found and return the value in "rettv". |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
773 * Return FAIL otherwise. |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
774 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
775 static int |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
776 channel_get_json(int ch_idx, int id, typval_T **rettv) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
777 { |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
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parents:
7988
diff
changeset
|
778 channel_T *channel = &channels[ch_idx]; |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
779 jsonq_T *head = &channel->ch_json_head; |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
780 jsonq_T *item = head->next; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
781 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
782 while (item != head) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
783 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
784 list_T *l = item->value->vval.v_list; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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changeset
|
785 typval_T *tv = &l->lv_first->li_tv; |
17e6ff1a74f1
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Christian Brabandt <cb@256bit.org>
parents:
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|
786 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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changeset
|
787 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>
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changeset
|
788 || (id <= 0 && (tv->v_type != VAR_NUMBER |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
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|
789 || tv->vval.v_number != channel->ch_block_id))) |
7868
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Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
790 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
791 *rettv = item->value; |
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diff
changeset
|
792 remove_json_node(item); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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|
793 return OK; |
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parents:
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changeset
|
794 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
795 item = item->next; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
796 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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changeset
|
797 return FAIL; |
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
798 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
799 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
800 /* |
7864
6b0891de44a9
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changeset
|
801 * Execute a command received over channel "idx". |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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changeset
|
802 * "cmd" is the command string, "arg2" the second argument. |
6b0891de44a9
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changeset
|
803 * "arg3" is the third argument, NULL if missing. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
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|
804 */ |
7840
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commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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parents:
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diff
changeset
|
805 static void |
7864
6b0891de44a9
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
806 channel_exe_cmd(int idx, char_u *cmd, typval_T *arg2, typval_T *arg3) |
7840
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commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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diff
changeset
|
807 { |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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changeset
|
808 char_u *arg; |
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Christian Brabandt <cb@256bit.org>
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changeset
|
809 |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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diff
changeset
|
810 if (arg2->v_type != VAR_STRING) |
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|
811 { |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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changeset
|
812 if (p_verbose > 2) |
6b0891de44a9
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changeset
|
813 EMSG("E903: received ex command with non-string argument"); |
6b0891de44a9
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|
814 return; |
6b0891de44a9
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|
815 } |
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changeset
|
816 arg = arg2->vval.v_string; |
7872
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817 if (arg == NULL) |
4b9d4600166f
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|
818 arg = (char_u *)""; |
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|
819 |
7840
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|
820 if (STRCMP(cmd, "ex") == 0) |
28f569c7dab9
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821 { |
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parents:
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changeset
|
822 do_cmdline_cmd(arg); |
7840
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823 } |
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824 else if (STRCMP(cmd, "normal") == 0) |
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825 { |
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|
826 exarg_T ea; |
7840
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|
827 |
7864
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changeset
|
828 ea.arg = arg; |
6b0891de44a9
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changeset
|
829 ea.addr_count = 0; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
830 ea.forceit = TRUE; /* no mapping */ |
6b0891de44a9
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diff
changeset
|
831 ex_normal(&ea); |
6b0891de44a9
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diff
changeset
|
832 } |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
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833 else if (STRCMP(cmd, "redraw") == 0) |
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|
834 { |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
835 exarg_T ea; |
7840
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|
836 |
7872
4b9d4600166f
commit https://github.com/vim/vim/commit/14ad611ca435d97e8fd0d9ab03ddc982843298ac
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changeset
|
837 ea.forceit = *arg != NUL; |
7864
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parents:
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diff
changeset
|
838 ex_redraw(&ea); |
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changeset
|
839 showruler(FALSE); |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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diff
changeset
|
840 setcursor(); |
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|
841 out_flush(); |
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diff
changeset
|
842 #ifdef FEAT_GUI |
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|
843 if (gui.in_use) |
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844 { |
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|
845 gui_update_cursor(FALSE, FALSE); |
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|
846 gui_mch_flush(); |
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847 } |
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|
848 #endif |
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849 } |
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|
850 else if (STRCMP(cmd, "expr") == 0 || STRCMP(cmd, "eval") == 0) |
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|
851 { |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
852 int is_eval = cmd[1] == 'v'; |
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changeset
|
853 |
7918
ce5a7a613867
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changeset
|
854 if (is_eval && (arg3 == NULL || arg3->v_type != VAR_NUMBER)) |
7864
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855 { |
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|
856 if (p_verbose > 2) |
6b0891de44a9
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|
857 EMSG("E904: third argument for eval must be a number"); |
6b0891de44a9
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|
858 } |
6b0891de44a9
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|
859 else |
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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|
860 { |
7906
ea1fd8d750a6
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changeset
|
861 typval_T *tv; |
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diff
changeset
|
862 typval_T err_tv; |
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|
863 char_u *json = NULL; |
7967
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864 channel_T *channel = &channels[idx]; |
45ea5ebf3a98
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|
865 int options = channel->ch_mode == MODE_JS ? JSON_JS : 0; |
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changeset
|
866 |
7906
ea1fd8d750a6
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867 /* Don't pollute the display with errors. */ |
ea1fd8d750a6
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|
868 ++emsg_skip; |
ea1fd8d750a6
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changeset
|
869 tv = eval_expr(arg, NULL); |
7864
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changeset
|
870 if (is_eval) |
7840
28f569c7dab9
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parents:
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diff
changeset
|
871 { |
7965
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parents:
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diff
changeset
|
872 if (tv != NULL) |
7967
45ea5ebf3a98
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Christian Brabandt <cb@256bit.org>
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diff
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|
873 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
45ea5ebf3a98
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parents:
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diff
changeset
|
874 options); |
7965
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parents:
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diff
changeset
|
875 if (tv == NULL || (json != NULL && *json == NUL)) |
7864
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Christian Brabandt <cb@256bit.org>
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diff
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|
876 { |
7965
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parents:
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diff
changeset
|
877 /* If evaluation failed or the result can't be encoded |
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
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diff
changeset
|
878 * then return the string "ERROR". */ |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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diff
changeset
|
879 err_tv.v_type = VAR_STRING; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
880 err_tv.vval.v_string = (char_u *)"ERROR"; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
881 tv = &err_tv; |
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commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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parents:
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diff
changeset
|
882 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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parents:
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diff
changeset
|
883 options); |
7864
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commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
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parents:
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diff
changeset
|
884 } |
7965
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
885 if (json != NULL) |
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
886 { |
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
887 channel_send(idx, json, "eval"); |
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
888 vim_free(json); |
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
889 } |
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
|
890 } |
7965
646d5148fee2
commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
891 --emsg_skip; |
7906
ea1fd8d750a6
commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
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diff
changeset
|
892 if (tv != &err_tv) |
ea1fd8d750a6
commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
893 free_tv(tv); |
7840
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commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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parents:
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diff
changeset
|
894 } |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
895 } |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
896 else if (p_verbose > 2) |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
897 EMSG2("E905: received unknown command: %s", cmd); |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
898 } |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
899 |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
900 /* |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
901 * Invoke a callback for channel "idx" if needed. |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
902 * Return OK when a message was handled, there might be another one. |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
903 */ |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
904 static int |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
905 may_invoke_callback(int idx) |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
906 { |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
907 char_u *msg = NULL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
908 typval_T *listtv = NULL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
909 list_T *list; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
910 typval_T *typetv; |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
911 typval_T argv[3]; |
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
912 int seq_nr = -1; |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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parents:
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diff
changeset
|
913 channel_T *channel = &channels[idx]; |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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parents:
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diff
changeset
|
914 ch_mode_T ch_mode = channel->ch_mode; |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
915 |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
916 if (channel->ch_close_cb != NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
917 /* this channel is handled elsewhere (netbeans) */ |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
918 return FALSE; |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
919 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
920 if (ch_mode != MODE_RAW) |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
921 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
922 /* Get any json message in the queue. */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
923 if (channel_get_json(idx, -1, &listtv) == FAIL) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
924 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
925 /* Parse readahead, return when there is still no message. */ |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
926 channel_parse_json(idx); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
927 if (channel_get_json(idx, -1, &listtv) == FAIL) |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
928 return FALSE; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
929 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
930 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
931 list = listtv->vval.v_list; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
932 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
|
933 typetv = &list->lv_first->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
934 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
|
935 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
936 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
|
937 char_u *cmd = typetv->vval.v_string; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
938 |
7918
ce5a7a613867
commit https://github.com/vim/vim/commit/66624ff0d9e1de2fc5eb4f95f3a3a2ed70b10138
Christian Brabandt <cb@256bit.org>
parents:
7916
diff
changeset
|
939 /* ["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
|
940 if (list->lv_len == 3) |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
941 arg3 = &list->lv_last->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
942 channel_exe_cmd(idx, cmd, &argv[1], arg3); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
943 clear_tv(listtv); |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
944 return TRUE; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
945 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
946 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
947 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
|
948 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
949 /* TODO: give error */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
950 clear_tv(listtv); |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
951 return FALSE; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
952 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
953 seq_nr = typetv->vval.v_number; |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
954 } |
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955 else if (channel_peek(idx) == NULL) |
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956 { |
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957 /* nothing to read on raw channel */ |
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958 return FALSE; |
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959 } |
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|
960 else |
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961 { |
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962 /* For a raw channel we don't know where the message ends, just get |
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963 * everything. */ |
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964 msg = channel_get_all(idx); |
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965 argv[1].v_type = VAR_STRING; |
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966 argv[1].vval.v_string = msg; |
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967 } |
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968 |
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969 if (seq_nr > 0) |
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970 { |
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971 cbq_T *cbhead = &channel->ch_cb_head; |
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972 cbq_T *cbitem = cbhead->next; |
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|
973 |
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974 /* invoke the one-time callback with the matching nr */ |
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975 while (cbitem != cbhead) |
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976 { |
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977 if (cbitem->seq_nr == seq_nr) |
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978 { |
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979 invoke_callback(idx, cbitem->callback, argv); |
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980 remove_cb_node(cbitem); |
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981 break; |
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982 } |
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983 cbitem = cbitem->next; |
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984 } |
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985 } |
7933
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986 else if (channel->ch_callback != NULL) |
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987 { |
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988 /* invoke the channel callback */ |
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989 invoke_callback(idx, channel->ch_callback, argv); |
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990 } |
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991 /* else: drop the message TODO: give error */ |
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992 |
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993 if (listtv != NULL) |
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994 clear_tv(listtv); |
7840
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995 vim_free(msg); |
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996 |
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997 return TRUE; |
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998 } |
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999 |
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1000 /* |
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1001 * Return TRUE when channel "idx" is open. |
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1002 * Also returns FALSE or invalid "idx". |
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1003 */ |
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1004 int |
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1005 channel_is_open(int idx) |
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1006 { |
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1007 return idx >= 0 && idx < channel_count && channels[idx].ch_fd >= 0; |
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1008 } |
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1009 |
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1010 /* |
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1011 * Close channel "idx". |
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1012 * This does not trigger the close callback. |
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1013 */ |
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1014 void |
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1015 channel_close(int idx) |
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1016 { |
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1017 channel_T *channel = &channels[idx]; |
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1018 jsonq_T *jhead; |
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1019 cbq_T *cbhead; |
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1020 |
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1021 if (channel->ch_fd >= 0) |
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1022 { |
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1023 sock_close(channel->ch_fd); |
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1024 channel->ch_fd = -1; |
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1025 channel->ch_close_cb = NULL; |
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1026 #ifdef FEAT_GUI |
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1027 channel_gui_unregister(idx); |
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1028 #endif |
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1029 vim_free(channel->ch_callback); |
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1030 channel->ch_callback = NULL; |
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1031 channel->ch_timeout = 2000; |
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1032 |
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1033 while (channel_peek(idx) != NULL) |
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1034 vim_free(channel_get(idx)); |
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1035 |
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1036 cbhead = &channel->ch_cb_head; |
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1037 while (cbhead->next != cbhead) |
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1038 remove_cb_node(cbhead->next); |
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1039 |
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1040 jhead = &channel->ch_json_head; |
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1041 while (jhead->next != jhead) |
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1042 { |
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1043 clear_tv(jhead->next->value); |
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1044 remove_json_node(jhead->next); |
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1045 } |
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1046 } |
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1047 } |
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1048 |
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1049 /* |
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1050 * Store "buf[len]" on channel "idx". |
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1051 * Returns OK or FAIL. |
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1052 */ |
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1053 int |
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1054 channel_save(int idx, char_u *buf, int len) |
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1055 { |
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1056 readq_T *node; |
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1057 readq_T *head = &channels[idx].ch_head; |
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1058 |
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1059 node = (readq_T *)alloc(sizeof(readq_T)); |
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1060 if (node == NULL) |
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1061 return FAIL; /* out of memory */ |
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1062 node->buffer = alloc(len + 1); |
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1063 if (node->buffer == NULL) |
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1064 { |
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1065 vim_free(node); |
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1066 return FAIL; /* out of memory */ |
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1067 } |
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1068 mch_memmove(node->buffer, buf, (size_t)len); |
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1069 node->buffer[len] = NUL; |
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1070 |
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1071 /* insert node at tail of queue */ |
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1072 node->next = head; |
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1073 node->prev = head->prev; |
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1074 head->prev->next = node; |
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1075 head->prev = node; |
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1076 |
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1077 if (debugfd != NULL) |
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1078 { |
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1079 fprintf(debugfd, "RECV on %d: ", idx); |
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1080 if (fwrite(buf, len, 1, debugfd) != 1) |
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1081 return FAIL; |
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1082 fprintf(debugfd, "\n"); |
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1083 } |
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1084 return OK; |
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1085 } |
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1086 |
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1087 /* |
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1088 * Return the first buffer from the channel without removing it. |
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1089 * Returns NULL if there is nothing. |
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1090 */ |
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1091 char_u * |
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1092 channel_peek(int idx) |
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1093 { |
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1094 readq_T *head = &channels[idx].ch_head; |
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1095 |
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1096 if (head->next == head || head->next == NULL) |
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1097 return NULL; |
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1098 return head->next->buffer; |
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1099 } |
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1100 |
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1101 /* |
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1102 * Clear the read buffer on channel "idx". |
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1103 */ |
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1104 void |
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1105 channel_clear(int idx) |
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1106 { |
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1107 readq_T *head = &channels[idx].ch_head; |
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1108 readq_T *node = head->next; |
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1109 readq_T *next; |
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1110 |
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1111 while (node != NULL && node != head) |
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1112 { |
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1113 next = node->next; |
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1114 vim_free(node->buffer); |
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1115 vim_free(node); |
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1116 if (next == head) |
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1117 { |
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1118 head->next = head; |
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1119 head->prev = head; |
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1120 break; |
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1121 } |
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1122 node = next; |
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1123 } |
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1124 } |
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1125 |
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1126 /* Sent when the channel is found closed when reading. */ |
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1127 #define DETACH_MSG "\"DETACH\"\n" |
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1128 |
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1129 /* Buffer size for reading incoming messages. */ |
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1130 #define MAXMSGSIZE 4096 |
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1131 |
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1132 /* |
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1133 * Check for reading from "fd" with "timeout" msec. |
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1134 * Return FAIL when there is nothing to read. |
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1135 * Always returns OK for FEAT_GUI_W32. |
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1136 */ |
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1137 static int |
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1138 channel_wait(int fd, int timeout) |
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1139 { |
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1140 #if defined(HAVE_SELECT) && !defined(FEAT_GUI_W32) |
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1141 struct timeval tval; |
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1142 fd_set rfds; |
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1143 int ret; |
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1144 |
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1145 FD_ZERO(&rfds); |
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1146 FD_SET(fd, &rfds); |
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1147 tval.tv_sec = timeout / 1000; |
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1148 tval.tv_usec = (timeout % 1000) * 1000; |
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1149 for (;;) |
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1150 { |
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1151 ret = select(fd + 1, &rfds, NULL, NULL, &tval); |
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1152 # ifdef EINTR |
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1153 if (ret == -1 && errno == EINTR) |
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1154 continue; |
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1155 # endif |
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1156 if (ret <= 0) |
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1157 return FAIL; |
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1158 break; |
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1159 } |
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1160 #else |
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1161 # ifdef HAVE_POLL |
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1162 struct pollfd fds; |
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1163 |
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1164 fds.fd = fd; |
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1165 fds.events = POLLIN; |
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1166 if (poll(&fds, 1, timeout) <= 0) |
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1167 return FAIL; |
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1168 # endif |
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1169 #endif |
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1170 return OK; |
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1171 } |
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1172 |
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1173 /* |
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1174 * Return a unique ID to be used in a message. |
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1175 */ |
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1176 int |
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1177 channel_get_id(void) |
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1178 { |
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1179 static int next_id = 1; |
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1180 |
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1181 return next_id++; |
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1182 } |
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1183 |
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1184 /* |
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1185 * Read from channel "idx" for as long as there is something to read. |
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1186 * The data is put in the read queue. |
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1187 */ |
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1188 void |
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1189 channel_read(int idx) |
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1190 { |
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1191 static char_u *buf = NULL; |
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1192 int len = 0; |
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1193 int readlen = 0; |
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1194 channel_T *channel = &channels[idx]; |
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1195 |
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1196 if (channel->ch_fd < 0) |
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1197 { |
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1198 CHLOG(idx, FALSE, "channel_read() called while socket is closed\n"); |
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1199 return; |
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1200 } |
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1201 |
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1202 /* Allocate a buffer to read into. */ |
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1203 if (buf == NULL) |
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1204 { |
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1205 buf = alloc(MAXMSGSIZE); |
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1206 if (buf == NULL) |
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1207 return; /* out of memory! */ |
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1208 } |
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1209 |
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1210 /* Keep on reading for as long as there is something to read. |
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1211 * Use select() or poll() to avoid blocking on a message that is exactly |
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1212 * MAXMSGSIZE long. */ |
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1213 for (;;) |
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1214 { |
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1215 if (channel_wait(channel->ch_fd, 0) == FAIL) |
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1216 break; |
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1217 len = sock_read(channel->ch_fd, buf, MAXMSGSIZE); |
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1218 if (len <= 0) |
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1219 break; /* error or nothing more to read */ |
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1220 |
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1221 /* Store the read message in the queue. */ |
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1222 channel_save(idx, buf, len); |
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1223 readlen += len; |
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1224 if (len < MAXMSGSIZE) |
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1225 break; /* did read everything that's available */ |
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1226 } |
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1227 #ifdef FEAT_GUI_W32 |
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1228 if (len == SOCKET_ERROR) |
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1229 { |
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1230 /* For Win32 GUI channel_wait() always returns OK and we handle the |
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1231 * situation that there is nothing to read here. |
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1232 * TODO: how about a timeout? */ |
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1233 if (WSAGetLastError() == WSAEWOULDBLOCK) |
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1234 return; |
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1235 } |
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1236 #endif |
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1237 |
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1238 /* Reading a socket disconnection (readlen == 0), or a socket error. */ |
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1239 if (readlen <= 0) |
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1240 { |
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1241 /* Queue a "DETACH" netbeans message in the command queue in order to |
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1242 * terminate the netbeans session later. Do not end the session here |
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1243 * directly as we may be running in the context of a call to |
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1244 * netbeans_parse_messages(): |
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1245 * netbeans_parse_messages |
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1246 * -> autocmd triggered while processing the netbeans cmd |
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1247 * -> ui_breakcheck |
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1248 * -> gui event loop or select loop |
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1249 * -> channel_read() |
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1250 */ |
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1251 channel_save(idx, (char_u *)DETACH_MSG, (int)STRLEN(DETACH_MSG)); |
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1252 |
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1253 channel_close(idx); |
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1254 if (channel->ch_close_cb != NULL) |
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1255 (*channel->ch_close_cb)(); |
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1256 |
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1257 if (len < 0) |
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1258 { |
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1259 /* Todo: which channel? */ |
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1260 CHERROR("%s(): cannot from channel\n", "channel_read"); |
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1261 PERROR(_("E896: read from channel")); |
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1262 } |
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1263 } |
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1264 |
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1265 #if defined(CH_HAS_GUI) && defined(FEAT_GUI_GTK) |
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1266 if (CH_HAS_GUI && gtk_main_level() > 0) |
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1267 gtk_main_quit(); |
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1268 #endif |
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1269 } |
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1270 |
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1271 /* |
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1272 * Read from raw channel "idx". Blocks until there is something to read or |
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1273 * the timeout expires. |
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1274 * Returns what was read in allocated memory. |
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1275 * Returns NULL in case of error or timeout. |
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1276 */ |
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1277 char_u * |
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1278 channel_read_block(int idx) |
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1279 { |
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1280 if (channel_peek(idx) == NULL) |
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1281 { |
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1282 /* Wait for up to the channel timeout. */ |
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1283 if (channel_wait(channels[idx].ch_fd, channels[idx].ch_timeout) == FAIL) |
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1284 return NULL; |
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1285 channel_read(idx); |
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1286 } |
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1287 |
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1288 return channel_get_all(idx); |
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1289 } |
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1290 |
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1291 /* |
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1292 * Read one JSON message from channel "ch_idx" with ID "id" and store the |
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1293 * result in "rettv". |
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1294 * Blocks until the message is received or the timeout is reached. |
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1295 */ |
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1296 int |
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1297 channel_read_json_block(int ch_idx, int id, typval_T **rettv) |
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1298 { |
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1299 int more; |
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1300 channel_T *channel = &channels[ch_idx]; |
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1301 |
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1302 channel->ch_block_id = id; |
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|
1303 for (;;) |
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|
1304 { |
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|
1305 more = channel_parse_json(ch_idx); |
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|
1306 |
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|
1307 /* search for messsage "id" */ |
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|
1308 if (channel_get_json(ch_idx, id, rettv) == OK) |
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|
1309 { |
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|
1310 channel->ch_block_id = 0; |
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1311 return OK; |
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1312 } |
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|
1313 |
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|
1314 if (!more) |
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|
1315 { |
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|
1316 /* Handle any other messages in the queue. If done some more |
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|
1317 * messages may have arrived. */ |
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|
1318 if (channel_parse_messages()) |
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|
1319 continue; |
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|
1320 |
7935
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|
1321 /* Wait for up to the channel timeout. */ |
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1322 if (channel->ch_fd < 0 || channel_wait(channel->ch_fd, |
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1323 channel->ch_timeout) == FAIL) |
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|
1324 break; |
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|
1325 channel_read(ch_idx); |
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1326 } |
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1327 } |
7997
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|
1328 channel->ch_block_id = 0; |
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1329 return FAIL; |
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1330 } |
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1331 |
7797
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1332 # if defined(WIN32) || defined(PROTO) |
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1333 /* |
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1334 * Lookup the channel index from the socket. |
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1335 * Returns -1 when the socket isn't found. |
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1336 */ |
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|
1337 int |
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|
1338 channel_socket2idx(sock_T fd) |
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1339 { |
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|
1340 int i; |
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1341 |
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1342 if (fd >= 0) |
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1343 for (i = 0; i < channel_count; ++i) |
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1344 if (channels[i].ch_fd == fd) |
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1345 return i; |
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1346 return -1; |
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1347 } |
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1348 # endif |
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1349 |
7770
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1350 /* |
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1351 * Write "buf" (NUL terminated string) to channel "idx". |
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1352 * When "fun" is not NULL an error message might be given. |
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1353 * Return FAIL or OK. |
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1354 */ |
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|
1355 int |
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1356 channel_send(int idx, char_u *buf, char *fun) |
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1357 { |
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1358 channel_T *channel = &channels[idx]; |
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|
1359 int len = (int)STRLEN(buf); |
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1360 |
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|
1361 if (channel->ch_fd < 0) |
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1362 { |
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1363 if (!channel->ch_error && fun != NULL) |
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1364 { |
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1365 CHERROR(" %s(): write while not connected\n", fun); |
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1366 EMSG2("E630: %s(): write while not connected", fun); |
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1367 } |
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1368 channel->ch_error = TRUE; |
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1369 return FAIL; |
7770
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1370 } |
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1371 |
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1372 if (sock_write(channel->ch_fd, buf, len) != len) |
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1373 { |
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1374 if (!channel->ch_error && fun != NULL) |
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1375 { |
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1376 CHERROR(" %s(): write failed\n", fun); |
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1377 EMSG2("E631: %s(): write failed", fun); |
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1378 } |
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1379 channel->ch_error = TRUE; |
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1380 return FAIL; |
7770
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1381 } |
7788
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1382 |
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1383 channel->ch_error = FALSE; |
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1384 return OK; |
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1385 } |
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1386 |
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1387 # if (defined(UNIX) && !defined(HAVE_SELECT)) || defined(PROTO) |
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1388 /* |
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1389 * Add open channels to the poll struct. |
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1390 * Return the adjusted struct index. |
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1391 * The type of "fds" is hidden to avoid problems with the function proto. |
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1392 */ |
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|
1393 int |
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|
1394 channel_poll_setup(int nfd_in, void *fds_in) |
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1395 { |
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1396 int nfd = nfd_in; |
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1397 int i; |
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1398 struct pollfd *fds = fds_in; |
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|
1399 |
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1400 for (i = 0; i < channel_count; ++i) |
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1401 if (channels[i].ch_fd >= 0) |
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1402 { |
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1403 channels[i].ch_idx = nfd; |
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1404 fds[nfd].fd = channels[i].ch_fd; |
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1405 fds[nfd].events = POLLIN; |
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1406 nfd++; |
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1407 } |
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1408 else |
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1409 channels[i].ch_idx = -1; |
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1410 |
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1411 return nfd; |
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1412 } |
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1413 |
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1414 /* |
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1415 * The type of "fds" is hidden to avoid problems with the function proto. |
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|
1416 */ |
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|
1417 int |
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|
1418 channel_poll_check(int ret_in, void *fds_in) |
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|
1419 { |
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|
1420 int ret = ret_in; |
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|
1421 int i; |
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|
1422 struct pollfd *fds = fds_in; |
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|
1423 |
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|
1424 for (i = 0; i < channel_count; ++i) |
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|
1425 if (ret > 0 && channels[i].ch_idx != -1 |
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|
1426 && fds[channels[i].ch_idx].revents & POLLIN) |
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|
1427 { |
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|
1428 channel_read(i); |
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|
1429 --ret; |
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|
1430 } |
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|
1431 |
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|
1432 return ret; |
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|
1433 } |
7770
42c1a4e63d12
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|
1434 # endif /* UNIX && !HAVE_SELECT */ |
7743
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|
1435 |
7797
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|
1436 # if (!defined(FEAT_GUI_W32) && defined(HAVE_SELECT)) || defined(PROTO) |
7743
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1437 /* |
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|
1438 * The type of "rfds" is hidden to avoid problems with the function proto. |
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|
1439 */ |
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|
1440 int |
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|
1441 channel_select_setup(int maxfd_in, void *rfds_in) |
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|
1442 { |
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|
1443 int maxfd = maxfd_in; |
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|
1444 int i; |
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|
1445 fd_set *rfds = rfds_in; |
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|
1446 |
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|
1447 for (i = 0; i < channel_count; ++i) |
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|
1448 if (channels[i].ch_fd >= 0) |
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|
1449 { |
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|
1450 FD_SET(channels[i].ch_fd, rfds); |
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|
1451 if (maxfd < channels[i].ch_fd) |
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|
1452 maxfd = channels[i].ch_fd; |
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|
1453 } |
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|
1454 |
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|
1455 return maxfd; |
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1456 } |
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|
1457 |
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|
1458 /* |
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|
1459 * The type of "rfds" is hidden to avoid problems with the function proto. |
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|
1460 */ |
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|
1461 int |
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|
1462 channel_select_check(int ret_in, void *rfds_in) |
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|
1463 { |
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|
1464 int ret = ret_in; |
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|
1465 int i; |
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|
1466 fd_set *rfds = rfds_in; |
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1467 |
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1468 for (i = 0; i < channel_count; ++i) |
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1469 if (ret > 0 && channels[i].ch_fd >= 0 |
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|
1470 && FD_ISSET(channels[i].ch_fd, rfds)) |
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1471 { |
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|
1472 channel_read(i); |
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|
1473 --ret; |
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1474 } |
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|
1475 |
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1476 return ret; |
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1477 } |
7797
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|
1478 # endif /* !FEAT_GUI_W32 && HAVE_SELECT */ |
7743
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1479 |
7840
28f569c7dab9
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1480 /* |
7899
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1481 * Execute queued up commands. |
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1482 * Invoked from the main loop when it's safe to execute received commands. |
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1483 * Return TRUE when something was done. |
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1484 */ |
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1485 int |
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1486 channel_parse_messages(void) |
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1487 { |
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1488 int i; |
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1489 int ret = FALSE; |
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1490 |
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1491 for (i = 0; i < channel_count; ++i) |
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1492 while (may_invoke_callback(i) == OK) |
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1493 { |
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1494 i = 0; /* start over */ |
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1495 ret = TRUE; |
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1496 } |
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1497 return ret; |
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1498 } |
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1499 |
7961
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1500 /* |
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1501 * Mark references to lists used in channels. |
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1502 */ |
7931
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1503 int |
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1504 set_ref_in_channel(int copyID) |
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1505 { |
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1506 int i; |
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1507 int abort = FALSE; |
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1508 |
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1509 for (i = 0; i < channel_count; ++i) |
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1510 { |
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1511 jsonq_T *head = &channels[i].ch_json_head; |
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1512 jsonq_T *item = head->next; |
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1513 |
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1514 while (item != head) |
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1515 { |
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1516 list_T *l = item->value->vval.v_list; |
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1517 |
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1518 if (l->lv_copyID != copyID) |
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1519 { |
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1520 l->lv_copyID = copyID; |
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1521 abort = abort || set_ref_in_list(l, copyID, NULL); |
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1522 } |
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1523 item = item->next; |
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1524 } |
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1525 } |
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1526 return abort; |
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1527 } |
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1528 |
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1529 /* |
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1530 * Return the mode of channel "idx". |
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1531 * If "idx" is invalid returns MODE_JSON. |
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1532 */ |
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1533 ch_mode_T |
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1534 channel_get_mode(int idx) |
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1535 { |
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1536 if (idx < 0 || idx >= channel_count) |
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1537 return MODE_JSON; |
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1538 return channels[idx].ch_mode; |
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1539 } |
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1540 |
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1541 #endif /* FEAT_CHANNEL */ |