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1 /** |
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2 * @file slpmsg.h SLP Message functions |
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3 * |
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4 * gaim |
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5 * |
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6 * Gaim is the legal property of its developers, whose names are too numerous |
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7 * to list here. Please refer to the COPYRIGHT file distributed with this |
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8 * source distribution. |
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9 * |
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10 * This program is free software; you can redistribute it and/or modify |
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11 * it under the terms of the GNU General Public License as published by |
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12 * the Free Software Foundation; either version 2 of the License, or |
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13 * (at your option) any later version. |
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14 * |
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15 * This program is distributed in the hope that it will be useful, |
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16 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 * GNU General Public License for more details. |
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19 * |
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20 * You should have received a copy of the GNU General Public License |
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21 * along with this program; if not, write to the Free Software |
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22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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23 */ |
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24 #include "msn.h" |
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25 #include "slpmsg.h" |
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26 #include "slplink.h" |
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27 |
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28 /************************************************************************** |
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29 * SLP Message |
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30 **************************************************************************/ |
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31 |
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32 MsnSlpMessage * |
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33 msn_slpmsg_new(MsnSlpLink *slplink) |
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34 { |
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35 MsnSlpMessage *slpmsg; |
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36 |
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37 slpmsg = g_new0(MsnSlpMessage, 1); |
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38 |
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39 #ifdef MSN_DEBUG_SLPMSG |
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40 gaim_debug_info("msn", "slpmsg new (%p)\n", slpmsg); |
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41 #endif |
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42 |
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43 slpmsg->slplink = slplink; |
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44 |
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45 slplink->slp_msgs = |
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46 g_list_append(slplink->slp_msgs, slpmsg); |
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47 |
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48 return slpmsg; |
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49 } |
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50 |
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51 void |
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52 msn_slpmsg_destroy(MsnSlpMessage *slpmsg) |
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53 { |
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54 MsnSlpLink *slplink; |
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55 GList *cur; |
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56 |
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57 g_return_if_fail(slpmsg != NULL); |
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58 |
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59 #ifdef MSN_DEBUG_SLPMSG |
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60 gaim_debug_info("msn", "slpmsg destroy (%p)\n", slpmsg); |
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61 #endif |
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62 |
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63 slplink = slpmsg->slplink; |
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64 |
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65 if (slpmsg->fp != NULL) |
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66 fclose(slpmsg->fp); |
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67 |
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68 if (slpmsg->buffer != NULL) |
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69 g_free(slpmsg->buffer); |
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70 |
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71 #ifdef MSN_DEBUG_SLP |
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72 /* |
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73 if (slpmsg->info != NULL) |
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74 g_free(slpmsg->info); |
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75 */ |
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76 #endif |
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77 |
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78 for (cur = slpmsg->msgs; cur != NULL; cur = cur->next) |
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79 { |
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80 /* Something is pointing to this slpmsg, so we should remove that |
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81 * pointer to prevent a crash. */ |
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82 /* Ex: a user goes offline and after that we receive an ACK */ |
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83 |
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84 MsnMessage *msg = cur->data; |
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85 |
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86 #ifdef MSN_DEBUG_SLPMSG |
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87 gaim_debug_info("msn", "Unlink slpmsg callbacks.\n"); |
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88 #endif |
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89 |
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90 msg->ack_cb = NULL; |
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91 msg->nak_cb = NULL; |
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92 msg->ack_data = NULL; |
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93 } |
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94 |
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95 slplink->slp_msgs = g_list_remove(slplink->slp_msgs, slpmsg); |
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96 |
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97 g_free(slpmsg); |
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98 } |
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99 |
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100 void |
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101 msn_slpmsg_set_body(MsnSlpMessage *slpmsg, const char *body, |
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102 long long size) |
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103 { |
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104 if (body != NULL) |
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105 slpmsg->buffer = g_memdup(body, size); |
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106 else |
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107 slpmsg->buffer = g_new0(guchar, size); |
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108 |
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109 slpmsg->size = size; |
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110 } |
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111 |
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112 void |
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113 msn_slpmsg_open_file(MsnSlpMessage *slpmsg, const char *file_name) |
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114 { |
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115 struct stat st; |
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116 |
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117 slpmsg->fp = g_fopen(file_name, "rb"); |
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118 |
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119 if (g_stat(file_name, &st) == 0) |
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120 slpmsg->size = st.st_size; |
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121 } |
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122 |
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123 #ifdef MSN_DEBUG_SLP |
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124 void |
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125 msn_slpmsg_show(MsnMessage *msg) |
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126 { |
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127 const char *info; |
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128 gboolean text; |
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129 guint32 flags; |
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130 |
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131 text = FALSE; |
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132 |
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133 flags = GUINT32_TO_LE(msg->msnslp_header.flags); |
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134 |
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135 switch (flags) |
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136 { |
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137 case 0x0: |
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138 info = "SLP CONTROL"; |
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139 text = TRUE; |
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140 break; |
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141 case 0x2: |
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142 info = "SLP ACK"; break; |
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143 case 0x20: |
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144 case 0x1000030: |
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145 info = "SLP DATA"; break; |
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146 default: |
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147 info = "SLP UNKNOWN"; break; |
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148 } |
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149 |
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150 msn_message_show_readable(msg, info, text); |
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151 } |
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152 #endif |
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153 |
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154 MsnSlpMessage * |
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155 msn_slpmsg_sip_new(MsnSlpCall *slpcall, int cseq, |
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156 const char *header, const char *branch, |
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157 const char *content_type, const char *content) |
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158 { |
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159 MsnSlpLink *slplink; |
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160 MsnSlpMessage *slpmsg; |
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161 char *body; |
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162 gsize body_len; |
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163 gsize content_len; |
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164 |
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165 g_return_val_if_fail(slpcall != NULL, NULL); |
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166 g_return_val_if_fail(header != NULL, NULL); |
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167 |
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168 slplink = slpcall->slplink; |
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169 |
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170 /* Let's remember that "content" should end with a 0x00 */ |
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171 |
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172 content_len = (content != NULL) ? strlen(content) + 1 : 0; |
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173 |
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174 body = g_strdup_printf( |
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175 "%s\r\n" |
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176 "To: <msnmsgr:%s>\r\n" |
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177 "From: <msnmsgr:%s>\r\n" |
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178 "Via: MSNSLP/1.0/TLP ;branch={%s}\r\n" |
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179 "CSeq: %d\r\n" |
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180 "Call-ID: {%s}\r\n" |
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181 "Max-Forwards: 0\r\n" |
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182 "Content-Type: %s\r\n" |
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183 "Content-Length: %" G_GSIZE_FORMAT "\r\n" |
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184 "\r\n", |
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185 header, |
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186 slplink->remote_user, |
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187 slplink->local_user, |
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188 branch, |
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189 cseq, |
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190 slpcall->id, |
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191 content_type, |
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192 content_len); |
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193 |
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194 body_len = strlen(body); |
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195 |
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196 if (content_len > 0) |
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197 { |
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198 body_len += content_len; |
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199 body = g_realloc(body, body_len); |
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200 g_strlcat(body, content, body_len); |
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201 } |
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202 |
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203 slpmsg = msn_slpmsg_new(slplink); |
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204 msn_slpmsg_set_body(slpmsg, body, body_len); |
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205 |
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206 slpmsg->sip = TRUE; |
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207 slpmsg->slpcall = slpcall; |
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208 |
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209 g_free(body); |
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210 |
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211 return slpmsg; |
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212 } |