| 1 /** |
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| 2 * @file slpcall.c SLP Call 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 "msn-utils.h" |
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| 26 #include "slpcall.h" |
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| 27 #include "slpsession.h" |
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| 28 |
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| 29 #include "slp.h" |
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| 30 |
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| 31 /* #define MSN_DEBUG_SLPCALL */ |
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| 32 |
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| 33 /************************************************************************** |
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| 34 * Main |
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| 35 **************************************************************************/ |
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| 36 |
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| 37 MsnSlpCall * |
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| 38 msn_slp_call_new(MsnSlpLink *slplink) |
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| 39 { |
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| 40 MsnSlpCall *slpcall; |
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| 41 |
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| 42 g_return_val_if_fail(slplink != NULL, NULL); |
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| 43 |
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| 44 slpcall = g_new0(MsnSlpCall, 1); |
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| 45 |
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| 46 #ifdef MSN_DEBUG_SLPCALL |
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| 47 gaim_debug_info("msn", "slpcall_new: slpcall(%p)\n", slpcall); |
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| 48 #endif |
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| 49 |
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| 50 slpcall->slplink = slplink; |
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| 51 |
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| 52 msn_slplink_add_slpcall(slplink, slpcall); |
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| 53 |
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| 54 slpcall->timer = gaim_timeout_add(MSN_SLPCALL_TIMEOUT, msn_slp_call_timeout, slpcall); |
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| 55 |
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| 56 return slpcall; |
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| 57 } |
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| 58 |
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| 59 void |
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| 60 msn_slp_call_destroy(MsnSlpCall *slpcall) |
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| 61 { |
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| 62 GList *e; |
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| 63 MsnSession *session; |
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| 64 |
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| 65 #ifdef MSN_DEBUG_SLPCALL |
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| 66 gaim_debug_info("msn", "slpcall_destroy: slpcall(%p)\n", slpcall); |
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| 67 #endif |
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| 68 |
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| 69 g_return_if_fail(slpcall != NULL); |
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| 70 |
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| 71 if (slpcall->timer) |
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| 72 gaim_timeout_remove(slpcall->timer); |
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| 73 |
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| 74 if (slpcall->id != NULL) |
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| 75 g_free(slpcall->id); |
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| 76 |
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| 77 if (slpcall->branch != NULL) |
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| 78 g_free(slpcall->branch); |
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| 79 |
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| 80 if (slpcall->data_info != NULL) |
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| 81 g_free(slpcall->data_info); |
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| 82 |
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| 83 for (e = slpcall->slplink->slp_msgs; e != NULL; ) |
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| 84 { |
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| 85 MsnSlpMessage *slpmsg = e->data; |
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| 86 e = e->next; |
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| 87 |
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| 88 #ifdef MSN_DEBUG_SLPCALL_VERBOSE |
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| 89 gaim_debug_info("msn", "slpcall_destroy: trying slpmsg(%p)\n", |
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| 90 slpmsg); |
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| 91 #endif |
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| 92 |
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| 93 if (slpmsg->slpcall == slpcall) |
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| 94 { |
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| 95 msn_slpmsg_destroy(slpmsg); |
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| 96 } |
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| 97 } |
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| 98 |
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| 99 session = slpcall->slplink->session; |
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| 100 |
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| 101 msn_slplink_remove_slpcall(slpcall->slplink, slpcall); |
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| 102 |
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| 103 if (slpcall->end_cb != NULL) |
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| 104 slpcall->end_cb(slpcall, session); |
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| 105 |
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| 106 g_free(slpcall); |
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| 107 } |
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| 108 |
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| 109 void |
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| 110 msn_slp_call_init(MsnSlpCall *slpcall, MsnSlpCallType type) |
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| 111 { |
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| 112 slpcall->session_id = rand() % 0xFFFFFF00 + 4; |
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| 113 slpcall->id = rand_guid(); |
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| 114 slpcall->type = type; |
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| 115 } |
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| 116 |
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| 117 void |
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| 118 msn_slp_call_session_init(MsnSlpCall *slpcall) |
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| 119 { |
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| 120 MsnSlpSession *slpsession; |
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| 121 |
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| 122 slpsession = msn_slp_session_new(slpcall); |
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| 123 |
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| 124 if (slpcall->session_init_cb) |
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| 125 slpcall->session_init_cb(slpsession); |
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| 126 |
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| 127 slpcall->started = TRUE; |
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| 128 } |
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| 129 |
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| 130 void |
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| 131 msn_slp_call_invite(MsnSlpCall *slpcall, const char *euf_guid, |
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| 132 int app_id, const char *context) |
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| 133 { |
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| 134 MsnSlpLink *slplink; |
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| 135 MsnSlpMessage *slpmsg; |
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| 136 char *header; |
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| 137 char *content; |
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| 138 |
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| 139 g_return_if_fail(slpcall != NULL); |
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| 140 g_return_if_fail(context != NULL); |
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| 141 |
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| 142 slplink = slpcall->slplink; |
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| 143 |
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| 144 slpcall->branch = rand_guid(); |
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| 145 |
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| 146 content = g_strdup_printf( |
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| 147 "EUF-GUID: {%s}\r\n" |
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| 148 "SessionID: %lu\r\n" |
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| 149 "AppID: %d\r\n" |
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| 150 "Context: %s\r\n\r\n", |
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| 151 euf_guid, |
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| 152 slpcall->session_id, |
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| 153 app_id, |
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| 154 context); |
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| 155 |
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| 156 header = g_strdup_printf("INVITE MSNMSGR:%s MSNSLP/1.0", |
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| 157 slplink->remote_user); |
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| 158 |
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| 159 slpmsg = msn_slpmsg_sip_new(slpcall, 0, header, slpcall->branch, |
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| 160 "application/x-msnmsgr-sessionreqbody", content); |
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| 161 |
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| 162 #ifdef MSN_DEBUG_SLP |
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| 163 slpmsg->info = "SLP INVITE"; |
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| 164 slpmsg->text_body = TRUE; |
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| 165 #endif |
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| 166 |
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| 167 msn_slplink_send_slpmsg(slplink, slpmsg); |
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| 168 |
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| 169 g_free(header); |
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| 170 g_free(content); |
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| 171 } |
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| 172 |
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| 173 void |
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| 174 msn_slp_call_close(MsnSlpCall *slpcall) |
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| 175 { |
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| 176 g_return_if_fail(slpcall != NULL); |
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| 177 g_return_if_fail(slpcall->slplink != NULL); |
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| 178 |
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| 179 send_bye(slpcall, "application/x-msnmsgr-sessionclosebody"); |
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| 180 msn_slplink_unleash(slpcall->slplink); |
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| 181 msn_slp_call_destroy(slpcall); |
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| 182 } |
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| 183 |
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| 184 gboolean |
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| 185 msn_slp_call_timeout(gpointer data) |
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| 186 { |
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| 187 MsnSlpCall *slpcall; |
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| 188 |
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| 189 slpcall = data; |
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| 190 |
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| 191 #ifdef MSN_DEBUG_SLPCALL |
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| 192 gaim_debug_info("msn", "slpcall_timeout: slpcall(%p)\n", slpcall); |
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| 193 #endif |
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| 194 |
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| 195 if (!slpcall->pending && !slpcall->progress) |
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| 196 { |
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| 197 msn_slp_call_destroy(slpcall); |
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| 198 return FALSE; |
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| 199 } |
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| 200 |
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| 201 slpcall->progress = FALSE; |
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| 202 |
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| 203 return TRUE; |
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| 204 } |
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| 205 |
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| 206 MsnSlpCall * |
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| 207 msn_slp_process_msg(MsnSlpLink *slplink, MsnSlpMessage *slpmsg) |
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| 208 { |
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| 209 MsnSlpCall *slpcall; |
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| 210 const guchar *body; |
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| 211 gsize body_len; |
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| 212 |
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| 213 slpcall = NULL; |
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| 214 body = slpmsg->buffer; |
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| 215 body_len = slpmsg->size; |
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| 216 |
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| 217 if (slpmsg->flags == 0x0) |
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| 218 { |
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| 219 char *body_str; |
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| 220 |
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| 221 body_str = g_strndup((const char *)body, body_len); |
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| 222 slpcall = msn_slp_sip_recv(slplink, body_str); |
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| 223 g_free(body_str); |
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| 224 } |
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| 225 else if (slpmsg->flags == 0x20 || slpmsg->flags == 0x1000030) |
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| 226 { |
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| 227 slpcall = msn_slplink_find_slp_call_with_session_id(slplink, slpmsg->session_id); |
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| 228 |
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| 229 if (slpcall != NULL) |
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| 230 { |
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| 231 if (slpcall->timer) |
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| 232 gaim_timeout_remove(slpcall->timer); |
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| 233 |
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| 234 slpcall->cb(slpcall, body, body_len); |
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| 235 |
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| 236 slpcall->wasted = TRUE; |
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| 237 } |
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| 238 } |
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| 239 #if 0 |
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| 240 else if (slpmsg->flags == 0x100) |
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| 241 { |
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| 242 slpcall = slplink->directconn->initial_call; |
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| 243 |
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| 244 if (slpcall != NULL) |
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| 245 msn_slp_call_session_init(slpcall); |
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| 246 } |
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| 247 #endif |
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| 248 |
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| 249 return slpcall; |
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| 250 } |
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