1 /* |
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2 * gabble-media-session.c - Source for GabbleMediaSession |
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3 * Copyright (C) 2006 Collabora Ltd. |
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4 * |
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5 * @author Ole Andre Vadla Ravnaas <ole.andre.ravnaas@collabora.co.uk> |
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6 * |
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7 * This library is free software; you can redistribute it and/or |
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8 * modify it under the terms of the GNU Lesser General Public |
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9 * License as published by the Free Software Foundation; either |
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10 * version 2.1 of the License, or (at your option) any later version. |
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11 * |
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12 * This library is distributed in the hope that it will be useful, |
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this library; if not, write to the Free Software |
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19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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20 */ |
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21 |
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22 #include <dbus/dbus-glib.h> |
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23 #include <stdio.h> |
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24 #include <stdlib.h> |
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25 #include <string.h> |
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26 #include <time.h> |
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27 |
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28 #include "debug.h" |
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29 #include "ansi.h" |
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30 #include "handles.h" |
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31 #include "namespaces.h" |
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32 #include "util.h" |
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33 |
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34 #include "telepathy-errors.h" |
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35 #include "telepathy-helpers.h" |
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36 |
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37 #include "gabble-connection.h" |
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38 #include "gabble-media-channel.h" |
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39 #include "gabble-media-stream.h" |
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40 #include "gabble-presence-cache.h" |
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41 #include "gabble-presence.h" |
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42 |
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43 #include "gabble-media-session.h" |
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44 #include "gabble-media-session-signals-marshal.h" |
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45 #include "gabble-media-session-glue.h" |
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46 |
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47 #include "gabble_enums.h" |
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48 |
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49 #ifndef EMULATOR |
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50 G_DEFINE_TYPE(GabbleMediaSession, gabble_media_session, G_TYPE_OBJECT) |
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51 #endif |
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52 |
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53 |
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54 #define DEBUG_FLAG GABBLE_DEBUG_MEDIA |
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55 //vinod |
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56 #ifdef DEBUG_FLAG |
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57 //#define DEBUG(format, ...) |
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58 #define DEBUGGING 0 |
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59 //#define NODE_DEBUG(n, s); |
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60 #endif /* DEBUG_FLAG */ |
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61 |
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62 #define DEFAULT_SESSION_TIMEOUT 50000 |
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63 |
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64 #define GTALK_STREAM_NAME "gtalk" |
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65 |
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66 /* 99 streams gives us a max name length of 8 (videoXX\0 or audioXX\0) */ |
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67 #define MAX_STREAMS 99 |
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68 |
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69 #ifndef EMULATOR |
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70 #define MAX_STREAM_NAME_LEN 8 |
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71 #endif |
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72 |
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73 //#define DEBUGGING 0 |
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74 |
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75 /* signal enum */ |
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76 enum |
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77 { |
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78 NEW_STREAM_HANDLER, |
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79 STREAM_ADDED, |
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80 TERMINATED, |
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81 LAST_SIGNAL |
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82 }; |
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83 |
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84 #ifdef EMULATOR |
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85 #include "libgabble_wsd_solution.h" |
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86 |
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87 GET_STATIC_ARRAY_FROM_TLS(signals,gabble_med_sess,guint) |
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88 #define signals (GET_WSD_VAR_NAME(signals,gabble_med_sess, s)()) |
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89 |
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90 |
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91 GET_STATIC_VAR_FROM_TLS(google_audio_caps,gabble_med_sess,GabblePresenceCapabilities) |
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92 #define google_audio_caps (*GET_WSD_VAR_NAME(google_audio_caps,gabble_med_sess, s)()) |
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93 |
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94 GET_STATIC_VAR_FROM_TLS(jingle_audio_caps,gabble_med_sess,GabblePresenceCapabilities) |
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95 #define jingle_audio_caps (*GET_WSD_VAR_NAME(jingle_audio_caps,gabble_med_sess, s)()) |
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96 |
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97 GET_STATIC_VAR_FROM_TLS(jingle_video_caps,gabble_med_sess,GabblePresenceCapabilities) |
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98 #define jingle_video_caps (*GET_WSD_VAR_NAME(jingle_video_caps,gabble_med_sess, s)()) |
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99 |
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100 GET_STATIC_ARRAY_FROM_TLS(ret_sess,gabble_med_sess,gchar) |
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101 #define ret_sess (GET_WSD_VAR_NAME(ret_sess,gabble_med_sess, s)()) |
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102 |
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103 GET_STATIC_VAR_FROM_TLS(gabble_media_session_parent_class,gabble_med_sess,gpointer) |
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104 #define gabble_media_session_parent_class (*GET_WSD_VAR_NAME(gabble_media_session_parent_class,gabble_med_sess,s)()) |
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105 |
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106 GET_STATIC_VAR_FROM_TLS(g_define_type_id,gabble_med_sess,GType) |
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107 #define g_define_type_id (*GET_WSD_VAR_NAME(g_define_type_id,gabble_med_sess,s)()) |
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108 |
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109 |
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110 static void gabble_media_session_init (GabbleMediaSession *self); |
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111 static void gabble_media_session_class_init (GabbleMediaSessionClass *klass); |
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112 static void gabble_media_session_class_intern_init (gpointer klass) |
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113 { |
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114 gabble_media_session_parent_class = g_type_class_peek_parent (klass); |
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115 gabble_media_session_class_init ((GabbleMediaSessionClass*) klass); } |
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116 |
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117 EXPORT_C GType gabble_media_session_get_type (void) |
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118 { |
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119 if ((g_define_type_id == 0)) { static const GTypeInfo g_define_type_info = { sizeof (GabbleMediaSessionClass), (GBaseInitFunc) ((void *)0), (GBaseFinalizeFunc) ((void *)0), (GClassInitFunc) gabble_media_session_class_intern_init, (GClassFinalizeFunc) ((void *)0), ((void *)0), sizeof (GabbleMediaSession), 0, (GInstanceInitFunc) gabble_media_session_init, ((void *)0) }; g_define_type_id = g_type_register_static ( ((GType) ((20) << (2))), g_intern_static_string ("GabbleMediaSession"), &g_define_type_info, (GTypeFlags) 0); { {} ; } } return g_define_type_id; |
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120 } |
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121 |
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122 |
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123 |
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124 #else |
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125 |
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126 static guint signals[LAST_SIGNAL] = {0}; |
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127 |
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128 #endif |
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129 |
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130 /* properties */ |
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131 enum |
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132 { |
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133 PROP_CONNECTION = 1, |
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134 PROP_MEDIA_CHANNEL, |
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135 PROP_OBJECT_PATH, |
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136 PROP_SESSION_ID, |
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137 PROP_INITIATOR, |
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138 PROP_PEER, |
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139 PROP_PEER_RESOURCE, |
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140 PROP_STATE, |
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141 LAST_PROPERTY |
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142 }; |
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143 |
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144 /* private structure */ |
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145 typedef struct _GabbleMediaSessionPrivate GabbleMediaSessionPrivate; |
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146 |
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147 struct _GabbleMediaSessionPrivate |
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148 { |
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149 GabbleConnection *conn; |
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150 GabbleMediaChannel *channel; |
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151 GabbleMediaSessionMode mode; |
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152 gchar *object_path; |
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153 |
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154 GPtrArray *streams; |
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155 GPtrArray *remove_requests; |
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156 |
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157 gchar *id; |
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158 GabbleHandle peer; |
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159 gchar *peer_resource; |
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160 |
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161 JingleSessionState state; |
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162 gboolean ready; |
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163 gboolean locally_accepted; |
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164 gboolean terminated; |
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165 |
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166 guint timer_id; |
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167 |
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168 gboolean dispose_has_run; |
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169 }; |
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170 |
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171 #define GABBLE_MEDIA_SESSION_GET_PRIVATE(obj) \ |
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172 ((GabbleMediaSessionPrivate *)obj->priv) |
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173 |
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174 typedef struct { |
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175 gchar *name; |
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176 gchar *attributes; |
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177 } SessionStateDescription; |
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178 |
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179 static const SessionStateDescription session_states[] = |
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180 { |
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181 { "JS_STATE_PENDING_CREATED", ANSI_BOLD_ON ANSI_FG_BLACK ANSI_BG_WHITE }, |
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182 { "JS_STATE_PENDING_INITIATE_SENT", ANSI_BOLD_ON ANSI_BG_CYAN }, |
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183 { "JS_STATE_PENDING_INITIATED", ANSI_BOLD_ON ANSI_BG_MAGENTA }, |
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184 { "JS_STATE_PENDING_ACCEPT_SENT", ANSI_BOLD_ON ANSI_BG_CYAN }, |
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185 { "JS_STATE_ACTIVE", ANSI_BOLD_ON ANSI_BG_BLUE }, |
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186 { "JS_STATE_ENDED", ANSI_BG_RED } |
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187 }; |
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188 |
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189 static void |
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190 gabble_media_session_init (GabbleMediaSession *self) |
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191 { |
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192 GabbleMediaSessionPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self, |
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193 GABBLE_TYPE_MEDIA_SESSION, GabbleMediaSessionPrivate); |
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194 |
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195 self->priv = priv; |
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196 |
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197 priv->mode = MODE_JINGLE; |
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198 priv->state = JS_STATE_PENDING_CREATED; |
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199 priv->streams = g_ptr_array_new (); |
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200 priv->remove_requests = g_ptr_array_new (); |
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201 } |
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202 |
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203 static void stream_connection_state_changed_cb (GabbleMediaStream *stream, |
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204 GParamSpec *param, |
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205 GabbleMediaSession *session); |
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206 static void stream_got_local_codecs_changed_cb (GabbleMediaStream *stream, |
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207 GParamSpec *param, |
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208 GabbleMediaSession *session); |
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209 |
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210 static void |
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211 _emit_new_stream (GabbleMediaSession *session, |
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212 GabbleMediaStream *stream) |
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213 { |
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214 gchar *object_path; |
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215 guint id, media_type; |
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216 |
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217 g_object_get (stream, |
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218 "object-path", &object_path, |
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219 "id", &id, |
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220 "media-type", &media_type, |
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221 NULL); |
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222 |
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223 /* all of the streams are bidirectional from farsight's point of view, it's |
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224 * just in the signalling they change */ |
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225 g_signal_emit (session, signals[NEW_STREAM_HANDLER], 0, object_path, id, |
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226 media_type, TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL); |
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227 |
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228 g_free (object_path); |
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229 } |
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230 |
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231 |
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232 static GabbleMediaStream * |
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233 _lookup_stream_by_name_and_initiator (GabbleMediaSession *session, |
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234 const gchar *stream_name, |
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235 JingleInitiator stream_initiator) |
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236 { |
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237 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
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238 guint i; |
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239 |
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240 for (i = 0; i < priv->streams->len; i++) |
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241 { |
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242 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
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243 |
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244 if (g_strdiff (stream->name, stream_name)) |
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245 continue; |
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246 |
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247 if (stream_initiator != INITIATOR_INVALID && |
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248 stream_initiator != stream->initiator) |
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249 continue; |
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250 |
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251 return stream; |
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252 } |
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253 |
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254 return NULL; |
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255 } |
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256 |
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257 |
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258 static GabbleMediaStream * |
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259 create_media_stream (GabbleMediaSession *session, |
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260 const gchar *name, |
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261 JingleInitiator initiator, |
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262 guint media_type) |
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263 { |
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264 GabbleMediaSessionPrivate *priv; |
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265 gchar *object_path; |
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266 GabbleMediaStream *stream; |
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267 guint id; |
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268 |
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269 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
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270 g_assert (name != NULL); |
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271 |
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272 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
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273 |
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274 /* assert that if we're in google mode: |
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275 * - we only try to make one stream |
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276 * - it's an audio stream |
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277 * - it's called GTALK_STREAM_NAME */ |
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278 if (priv->mode == MODE_GOOGLE) |
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279 { |
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280 g_assert (priv->streams->len == 0); |
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281 g_assert (media_type == TP_MEDIA_STREAM_TYPE_AUDIO); |
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282 g_assert (!g_strdiff (name, GTALK_STREAM_NAME)); |
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283 } |
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284 |
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285 g_assert (priv->streams->len < MAX_STREAMS); |
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286 g_assert (_lookup_stream_by_name_and_initiator (session, name, initiator) == |
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287 NULL); |
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288 |
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289 id = _gabble_media_channel_get_stream_id (priv->channel); |
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290 |
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291 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
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292 "creating new %s %s stream called \"%s\" with id %u", |
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293 priv->mode == MODE_GOOGLE ? "google" : "jingle", |
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294 media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video", |
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295 name, id); |
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296 |
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297 object_path = g_strdup_printf ("%s/MediaStream%u", priv->object_path, id); |
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298 |
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299 stream = g_object_new (GABBLE_TYPE_MEDIA_STREAM, |
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300 "connection", priv->conn, |
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301 "media-session", session, |
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302 "object-path", object_path, |
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303 "mode", priv->mode, |
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304 "name", name, |
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305 "id", id, |
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306 "initiator", initiator, |
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307 "media-type", media_type, |
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308 NULL); |
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309 |
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310 g_signal_connect (stream, "notify::connection-state", |
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311 (GCallback) stream_connection_state_changed_cb, |
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312 session); |
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313 g_signal_connect (stream, "notify::got-local-codecs", |
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314 (GCallback) stream_got_local_codecs_changed_cb, |
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315 session); |
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316 |
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317 g_ptr_array_add (priv->streams, stream); |
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318 |
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319 g_free (object_path); |
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320 |
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321 if (priv->ready) |
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322 _emit_new_stream (session, stream); |
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323 |
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324 g_signal_emit (session, signals[STREAM_ADDED], 0, stream); |
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325 |
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326 return stream; |
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327 } |
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328 |
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329 static void |
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330 destroy_media_stream (GabbleMediaSession *session, |
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331 GabbleMediaStream *stream) |
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332 { |
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333 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
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334 |
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335 _gabble_media_stream_close (stream); |
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336 g_ptr_array_remove_fast (priv->streams, stream); |
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337 g_object_unref (stream); |
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338 } |
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339 |
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340 static GObject * |
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341 gabble_media_session_constructor (GType type, guint n_props, |
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342 GObjectConstructParam *props) |
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343 { |
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344 GObject *obj; |
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345 GabbleMediaSessionPrivate *priv; |
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346 DBusGConnection *bus; |
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347 |
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348 obj = G_OBJECT_CLASS (gabble_media_session_parent_class)-> |
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349 constructor (type, n_props, props); |
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350 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (GABBLE_MEDIA_SESSION (obj)); |
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351 |
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352 bus = tp_get_bus (); |
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353 dbus_g_connection_register_g_object (bus, priv->object_path, obj); |
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354 |
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355 return obj; |
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356 } |
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357 |
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358 static void |
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359 gabble_media_session_get_property (GObject *object, |
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360 guint property_id, |
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361 GValue *value, |
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362 GParamSpec *pspec) |
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363 { |
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364 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (object); |
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365 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
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366 |
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367 switch (property_id) { |
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368 case PROP_CONNECTION: |
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369 g_value_set_object (value, priv->conn); |
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370 break; |
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371 case PROP_MEDIA_CHANNEL: |
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372 g_value_set_object (value, priv->channel); |
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373 break; |
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374 case PROP_OBJECT_PATH: |
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375 g_value_set_string (value, priv->object_path); |
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376 break; |
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377 case PROP_SESSION_ID: |
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378 g_value_set_string (value, priv->id); |
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379 break; |
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380 case PROP_INITIATOR: |
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381 g_value_set_uint (value, session->initiator); |
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382 break; |
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383 case PROP_PEER: |
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384 g_value_set_uint (value, priv->peer); |
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385 break; |
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386 case PROP_PEER_RESOURCE: |
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387 g_value_set_string (value, priv->peer_resource); |
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388 break; |
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389 case PROP_STATE: |
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390 g_value_set_uint (value, priv->state); |
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391 break; |
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392 default: |
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393 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
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394 break; |
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395 } |
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396 } |
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397 |
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398 static void session_state_changed (GabbleMediaSession *session, |
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399 JingleSessionState prev_state, |
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400 JingleSessionState new_state); |
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401 |
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402 static void |
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403 gabble_media_session_set_property (GObject *object, |
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404 guint property_id, |
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405 const GValue *value, |
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406 GParamSpec *pspec) |
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407 { |
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408 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (object); |
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409 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
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410 JingleSessionState prev_state; |
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411 |
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412 switch (property_id) { |
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413 case PROP_CONNECTION: |
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414 priv->conn = g_value_get_object (value); |
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415 break; |
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416 case PROP_MEDIA_CHANNEL: |
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417 priv->channel = g_value_get_object (value); |
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418 break; |
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419 case PROP_OBJECT_PATH: |
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420 g_free (priv->object_path); |
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421 priv->object_path = g_value_dup_string (value); |
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422 break; |
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423 case PROP_SESSION_ID: |
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424 g_free (priv->id); |
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425 priv->id = g_value_dup_string (value); |
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426 break; |
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427 case PROP_INITIATOR: |
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428 session->initiator = g_value_get_uint (value); |
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429 break; |
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430 case PROP_PEER: |
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431 priv->peer = g_value_get_uint (value); |
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432 break; |
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433 case PROP_PEER_RESOURCE: |
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434 g_free (priv->peer_resource); |
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435 priv->peer_resource = g_value_dup_string (value); |
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436 break; |
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437 case PROP_STATE: |
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438 prev_state = priv->state; |
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439 priv->state = g_value_get_uint (value); |
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440 |
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441 if (priv->state == JS_STATE_ENDED) |
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442 g_assert (priv->terminated); |
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443 |
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444 if (priv->state != prev_state) |
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445 session_state_changed (session, prev_state, priv->state); |
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446 |
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447 break; |
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448 default: |
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449 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); |
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450 break; |
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451 } |
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452 } |
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453 |
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454 static void gabble_media_session_dispose (GObject *object); |
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455 static void gabble_media_session_finalize (GObject *object); |
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456 |
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457 static void |
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458 gabble_media_session_class_init (GabbleMediaSessionClass *gabble_media_session_class) |
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459 { |
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460 GObjectClass *object_class = G_OBJECT_CLASS (gabble_media_session_class); |
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461 GParamSpec *param_spec; |
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462 |
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463 g_type_class_add_private (gabble_media_session_class, sizeof (GabbleMediaSessionPrivate)); |
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464 |
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465 object_class->constructor = gabble_media_session_constructor; |
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466 |
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467 object_class->get_property = gabble_media_session_get_property; |
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468 object_class->set_property = gabble_media_session_set_property; |
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469 |
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470 object_class->dispose = gabble_media_session_dispose; |
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471 object_class->finalize = gabble_media_session_finalize; |
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472 |
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473 param_spec = g_param_spec_object ("connection", "GabbleConnection object", |
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474 "Gabble connection object that owns this " |
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475 "media session's channel.", |
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476 GABBLE_TYPE_CONNECTION, |
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477 G_PARAM_CONSTRUCT_ONLY | |
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478 G_PARAM_READWRITE | |
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479 G_PARAM_STATIC_NICK | |
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480 G_PARAM_STATIC_BLURB); |
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481 g_object_class_install_property (object_class, PROP_CONNECTION, param_spec); |
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482 |
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483 param_spec = g_param_spec_object ("media-channel", "GabbleMediaChannel object", |
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484 "Gabble media channel object that owns this " |
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485 "media session object.", |
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486 GABBLE_TYPE_MEDIA_CHANNEL, |
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487 G_PARAM_CONSTRUCT_ONLY | |
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488 G_PARAM_READWRITE | |
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489 G_PARAM_STATIC_NICK | |
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490 G_PARAM_STATIC_BLURB); |
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491 g_object_class_install_property (object_class, PROP_MEDIA_CHANNEL, param_spec); |
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492 |
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493 param_spec = g_param_spec_string ("object-path", "D-Bus object path", |
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494 "The D-Bus object path used for this " |
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495 "object on the bus.", |
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496 NULL, |
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497 G_PARAM_CONSTRUCT_ONLY | |
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498 G_PARAM_READWRITE | |
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499 G_PARAM_STATIC_NAME | |
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500 G_PARAM_STATIC_BLURB); |
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501 g_object_class_install_property (object_class, PROP_OBJECT_PATH, param_spec); |
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502 |
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503 param_spec = g_param_spec_string ("session-id", "Session ID", |
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504 "A unique session identifier used " |
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505 "throughout all communication.", |
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506 NULL, |
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507 G_PARAM_CONSTRUCT_ONLY | |
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508 G_PARAM_READWRITE | |
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509 G_PARAM_STATIC_NAME | |
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510 G_PARAM_STATIC_BLURB); |
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511 g_object_class_install_property (object_class, PROP_SESSION_ID, param_spec); |
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512 |
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513 param_spec = g_param_spec_uint ("initiator", "Session initiator", |
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514 "An enum signifying which end initiated " |
|
515 "the session.", |
|
516 INITIATOR_LOCAL, |
|
517 INITIATOR_REMOTE, |
|
518 INITIATOR_LOCAL, |
|
519 G_PARAM_CONSTRUCT_ONLY | |
|
520 G_PARAM_READWRITE | |
|
521 G_PARAM_STATIC_NAME | |
|
522 G_PARAM_STATIC_BLURB); |
|
523 g_object_class_install_property (object_class, PROP_INITIATOR, param_spec); |
|
524 |
|
525 param_spec = g_param_spec_uint ("peer", "Session peer", |
|
526 "The GabbleHandle representing the contact " |
|
527 "with whom this session communicates.", |
|
528 0, G_MAXUINT32, 0, |
|
529 G_PARAM_CONSTRUCT_ONLY | |
|
530 G_PARAM_READWRITE | |
|
531 G_PARAM_STATIC_NAME | |
|
532 G_PARAM_STATIC_BLURB); |
|
533 g_object_class_install_property (object_class, PROP_PEER, param_spec); |
|
534 |
|
535 param_spec = g_param_spec_string ("peer-resource", |
|
536 "Session peer's resource", |
|
537 "The resource of the contact " |
|
538 "with whom this session communicates, " |
|
539 "if applicable", |
|
540 NULL, |
|
541 G_PARAM_CONSTRUCT_ONLY | |
|
542 G_PARAM_WRITABLE | |
|
543 G_PARAM_STATIC_NAME | |
|
544 G_PARAM_STATIC_BLURB); |
|
545 g_object_class_install_property (object_class, PROP_PEER_RESOURCE, |
|
546 param_spec); |
|
547 |
|
548 param_spec = g_param_spec_uint ("state", "Session state", |
|
549 "The current state that the session is in.", |
|
550 0, G_MAXUINT32, 0, |
|
551 G_PARAM_READWRITE | |
|
552 G_PARAM_STATIC_NAME | |
|
553 G_PARAM_STATIC_BLURB); |
|
554 g_object_class_install_property (object_class, PROP_STATE, param_spec); |
|
555 |
|
556 signals[NEW_STREAM_HANDLER] = |
|
557 g_signal_new ("new-stream-handler", |
|
558 G_OBJECT_CLASS_TYPE (gabble_media_session_class), |
|
559 G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, |
|
560 0, |
|
561 NULL, NULL, |
|
562 gabble_media_session_marshal_VOID__STRING_UINT_UINT_UINT, |
|
563 G_TYPE_NONE, 4, DBUS_TYPE_G_OBJECT_PATH, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT); |
|
564 |
|
565 signals[STREAM_ADDED] = |
|
566 g_signal_new ("stream-added", |
|
567 G_OBJECT_CLASS_TYPE (gabble_media_session_class), |
|
568 G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, |
|
569 0, |
|
570 NULL, NULL, |
|
571 g_cclosure_marshal_VOID__OBJECT, |
|
572 G_TYPE_NONE, 1, G_TYPE_OBJECT); |
|
573 |
|
574 signals[TERMINATED] = |
|
575 g_signal_new ("terminated", |
|
576 G_OBJECT_CLASS_TYPE (gabble_media_session_class), |
|
577 G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, |
|
578 0, |
|
579 NULL, NULL, |
|
580 gabble_media_session_marshal_VOID__UINT_UINT, |
|
581 G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT); |
|
582 |
|
583 dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (gabble_media_session_class), &dbus_glib_gabble_media_session_object_info); |
|
584 } |
|
585 |
|
586 static void |
|
587 gabble_media_session_dispose (GObject *object) |
|
588 { |
|
589 GabbleMediaSession *self = GABBLE_MEDIA_SESSION (object); |
|
590 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (self); |
|
591 guint i; |
|
592 |
|
593 gabble_debug (DEBUG_FLAG, "called"); |
|
594 |
|
595 if (priv->dispose_has_run) |
|
596 return; |
|
597 |
|
598 priv->dispose_has_run = TRUE; |
|
599 |
|
600 _gabble_media_session_terminate (self, INITIATOR_LOCAL, |
|
601 TP_CHANNEL_GROUP_CHANGE_REASON_NONE); |
|
602 |
|
603 if (priv->timer_id != 0) |
|
604 g_source_remove (priv->timer_id); |
|
605 |
|
606 if (priv->streams != NULL) |
|
607 { |
|
608 for (i = 0; i < priv->streams->len; i++) |
|
609 g_object_unref (g_ptr_array_index (priv->streams, i)); |
|
610 g_ptr_array_free (priv->streams, TRUE); |
|
611 priv->streams = NULL; |
|
612 } |
|
613 |
|
614 for (i = 0; i < priv->remove_requests->len; i++) |
|
615 g_ptr_array_free (g_ptr_array_index (priv->remove_requests, i), TRUE); |
|
616 g_ptr_array_free (priv->remove_requests, TRUE); |
|
617 priv->remove_requests = NULL; |
|
618 |
|
619 if (G_OBJECT_CLASS (gabble_media_session_parent_class)->dispose) |
|
620 G_OBJECT_CLASS (gabble_media_session_parent_class)->dispose (object); |
|
621 } |
|
622 |
|
623 static void |
|
624 gabble_media_session_finalize (GObject *object) |
|
625 { |
|
626 GabbleMediaSession *self = GABBLE_MEDIA_SESSION (object); |
|
627 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (self); |
|
628 |
|
629 g_free (priv->id); |
|
630 g_free (priv->object_path); |
|
631 g_free (priv->peer_resource); |
|
632 G_OBJECT_CLASS (gabble_media_session_parent_class)->finalize (object); |
|
633 } |
|
634 |
|
635 |
|
636 /** |
|
637 * gabble_media_session_error |
|
638 * |
|
639 * Implements D-Bus method Error |
|
640 * on interface org.freedesktop.Telepathy.Media.SessionHandler |
|
641 * |
|
642 * @error: Used to return a pointer to a GError detailing any error |
|
643 * that occurred, D-Bus will throw the error only if this |
|
644 * function returns FALSE. |
|
645 * |
|
646 * Returns: TRUE if successful, FALSE if an error was thrown. |
|
647 */ |
|
648 gboolean |
|
649 gabble_media_session_error (GabbleMediaSession *self, |
|
650 guint errno, |
|
651 const gchar *message, |
|
652 GError **error) |
|
653 { |
|
654 GabbleMediaSessionPrivate *priv; |
|
655 GPtrArray *tmp; |
|
656 guint i; |
|
657 |
|
658 g_assert (GABBLE_IS_MEDIA_SESSION (self)); |
|
659 |
|
660 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (self); |
|
661 |
|
662 _gabble_media_session_debug (self, DEBUG_MSG_INFO, "Media.SessionHandler::Error called, error %u (%s) -- " |
|
663 "emitting error on each stream", errno, message); |
|
664 |
|
665 if (priv->state == JS_STATE_ENDED) |
|
666 { |
|
667 return TRUE; |
|
668 } |
|
669 else if (priv->state == JS_STATE_PENDING_CREATED) |
|
670 { |
|
671 /* shortcut to prevent sending remove actions if we haven't sent an |
|
672 * initiate yet */ |
|
673 g_object_set (self, "state", JS_STATE_ENDED, NULL); |
|
674 return TRUE; |
|
675 } |
|
676 |
|
677 g_assert (priv->streams != NULL); |
|
678 |
|
679 tmp = priv->streams; |
|
680 priv->streams = NULL; |
|
681 |
|
682 for (i = 0; i < tmp->len; i++) |
|
683 { |
|
684 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
685 //FIXME: Temporary fix to comment "errno" to resolve the mecevo integration build break, fix me when this method is being used. |
|
686 gabble_media_stream_error (stream, /*errno*/0, message, NULL); |
|
687 } |
|
688 |
|
689 g_ptr_array_free (tmp, TRUE); |
|
690 |
|
691 return TRUE; |
|
692 } |
|
693 |
|
694 |
|
695 /** |
|
696 * gabble_media_session_ready |
|
697 * |
|
698 * Implements D-Bus method Ready |
|
699 * on interface org.freedesktop.Telepathy.Media.SessionHandler |
|
700 * |
|
701 * @error: Used to return a pointer to a GError detailing any error |
|
702 * that occurred, D-Bus will throw the error only if this |
|
703 * function returns FALSE. |
|
704 * |
|
705 * Returns: TRUE if successful, FALSE if an error was thrown. |
|
706 */ |
|
707 gboolean |
|
708 gabble_media_session_ready (GabbleMediaSession *self, |
|
709 GError **error) |
|
710 { |
|
711 GabbleMediaSessionPrivate *priv; |
|
712 guint i; |
|
713 |
|
714 g_assert (GABBLE_IS_MEDIA_SESSION (self)); |
|
715 |
|
716 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (self); |
|
717 |
|
718 priv->ready = TRUE; |
|
719 |
|
720 for (i = 0; i < priv->streams->len; i++) |
|
721 _emit_new_stream (self, g_ptr_array_index (priv->streams, i)); |
|
722 |
|
723 return TRUE; |
|
724 } |
|
725 |
|
726 |
|
727 static gboolean |
|
728 _handle_create (GabbleMediaSession *session, |
|
729 LmMessage *message, |
|
730 LmMessageNode *content_node, |
|
731 const gchar *stream_name, |
|
732 GabbleMediaStream *stream, |
|
733 LmMessageNode *desc_node, |
|
734 LmMessageNode *trans_node, |
|
735 GError **error) |
|
736 { |
|
737 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
738 GabbleMediaSessionMode session_mode; |
|
739 TpMediaStreamType stream_type; |
|
740 gboolean override_existing = FALSE; |
|
741 |
|
742 if ((priv->state == JS_STATE_PENDING_CREATED) && |
|
743 (session->initiator == INITIATOR_LOCAL)) |
|
744 { |
|
745 gabble_debug (DEBUG_FLAG, "we're trying to call ourselves, rejecting with busy"); |
|
746 _gabble_media_session_terminate (session, INITIATOR_REMOTE, |
|
747 TP_CHANNEL_GROUP_CHANGE_REASON_BUSY); |
|
748 return FALSE; |
|
749 } |
|
750 |
|
751 |
|
752 if (stream != NULL) |
|
753 { |
|
754 /* streams added by the session initiator may replace similarly-named |
|
755 * streams which we are trying to add (but havn't had acknowledged) */ |
|
756 if (stream->signalling_state < STREAM_SIG_STATE_ACKNOWLEDGED) |
|
757 { |
|
758 if (session->initiator == INITIATOR_REMOTE) |
|
759 { |
|
760 override_existing = TRUE; |
|
761 } |
|
762 else |
|
763 { |
|
764 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_CONFLICT, |
|
765 "session initiator is creating a stream named \"%s\" already", |
|
766 stream_name); |
|
767 return FALSE; |
|
768 } |
|
769 } |
|
770 else |
|
771 { |
|
772 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_CONFLICT, |
|
773 "can't create new stream called \"%s\", it already exists, " |
|
774 "rejecting", stream_name); |
|
775 return FALSE; |
|
776 } |
|
777 } |
|
778 |
|
779 if (desc_node == NULL) |
|
780 { |
|
781 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
782 "unable to create stream without a content description"); |
|
783 return FALSE; |
|
784 } |
|
785 |
|
786 if (lm_message_node_has_namespace (desc_node, |
|
787 NS_GOOGLE_SESSION_PHONE, NULL)) |
|
788 { |
|
789 session_mode = MODE_GOOGLE; |
|
790 stream_type = TP_MEDIA_STREAM_TYPE_AUDIO; |
|
791 } |
|
792 else if (lm_message_node_has_namespace (desc_node, |
|
793 NS_JINGLE_DESCRIPTION_AUDIO, NULL)) |
|
794 { |
|
795 session_mode = MODE_JINGLE; |
|
796 stream_type = TP_MEDIA_STREAM_TYPE_AUDIO; |
|
797 } |
|
798 else if (lm_message_node_has_namespace (desc_node, |
|
799 NS_JINGLE_DESCRIPTION_VIDEO, NULL)) |
|
800 { |
|
801 session_mode = MODE_JINGLE; |
|
802 stream_type = TP_MEDIA_STREAM_TYPE_VIDEO; |
|
803 } |
|
804 else |
|
805 { |
|
806 g_set_error (error, GABBLE_XMPP_ERROR, |
|
807 XMPP_ERROR_JINGLE_UNSUPPORTED_CONTENT, |
|
808 "refusing to create stream for unsupported content description"); |
|
809 return FALSE; |
|
810 } |
|
811 |
|
812 /* MODE_GOOGLE is allowed to have a null transport node */ |
|
813 if (session_mode == MODE_JINGLE && trans_node == NULL) |
|
814 { |
|
815 g_set_error (error, GABBLE_XMPP_ERROR, |
|
816 XMPP_ERROR_JINGLE_UNSUPPORTED_TRANSPORT, |
|
817 "refusing to create stream for unsupported transport"); |
|
818 return FALSE; |
|
819 } |
|
820 |
|
821 if (session_mode != priv->mode) |
|
822 { |
|
823 if (priv->streams->len > 0) |
|
824 { |
|
825 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_UNEXPECTED_REQUEST, |
|
826 "refusing to change mode because streams already exist"); |
|
827 return FALSE; |
|
828 } |
|
829 else |
|
830 { |
|
831 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "setting session mode to %s", |
|
832 session_mode == MODE_GOOGLE ? "google" : "jingle"); |
|
833 priv->mode = session_mode; |
|
834 } |
|
835 } |
|
836 |
|
837 if (override_existing) |
|
838 { |
|
839 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "removing our unacknowledged stream \"%s\" " |
|
840 "in favour of the session initiator's", stream_name); |
|
841 |
|
842 /* disappear this stream */ |
|
843 destroy_media_stream (session, stream); |
|
844 |
|
845 stream = NULL; |
|
846 } |
|
847 |
|
848 if (priv->streams->len == MAX_STREAMS) |
|
849 { |
|
850 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_RESOURCE_CONSTRAINT, |
|
851 "refusing to create more than " G_STRINGIFY (MAX_STREAMS) |
|
852 " streams"); |
|
853 return FALSE; |
|
854 } |
|
855 |
|
856 stream = create_media_stream (session, stream_name, INITIATOR_REMOTE, |
|
857 stream_type); |
|
858 |
|
859 /* set the signalling state to ACKNOWLEDGED */ |
|
860 g_object_set (stream, |
|
861 "signalling-state", STREAM_SIG_STATE_ACKNOWLEDGED, |
|
862 NULL); |
|
863 |
|
864 /* for jingle streams, set the direction to none, so that the |
|
865 * direction handler adds the right flags */ |
|
866 if (priv->mode == MODE_JINGLE) |
|
867 g_object_set (stream, |
|
868 "combined-direction", TP_MEDIA_STREAM_DIRECTION_NONE, |
|
869 NULL); |
|
870 |
|
871 return TRUE; |
|
872 } |
|
873 |
|
874 |
|
875 static TpMediaStreamDirection |
|
876 _senders_to_direction (GabbleMediaSession *session, |
|
877 const gchar *senders) |
|
878 { |
|
879 TpMediaStreamDirection ret = TP_MEDIA_STREAM_DIRECTION_NONE; |
|
880 |
|
881 if (!g_strdiff (senders, "initiator")) |
|
882 { |
|
883 if (session->initiator == INITIATOR_LOCAL) |
|
884 ret = TP_MEDIA_STREAM_DIRECTION_SEND; |
|
885 else |
|
886 ret = TP_MEDIA_STREAM_DIRECTION_RECEIVE; |
|
887 } |
|
888 else if (!g_strdiff (senders, "responder")) |
|
889 { |
|
890 if (session->initiator == INITIATOR_REMOTE) |
|
891 ret = TP_MEDIA_STREAM_DIRECTION_SEND; |
|
892 else |
|
893 ret = TP_MEDIA_STREAM_DIRECTION_RECEIVE; |
|
894 } |
|
895 else if (!g_strdiff (senders, "both")) |
|
896 { |
|
897 ret = TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL; |
|
898 } |
|
899 |
|
900 return ret; |
|
901 } |
|
902 |
|
903 static gboolean |
|
904 _handle_direction (GabbleMediaSession *session, |
|
905 LmMessage *message, |
|
906 LmMessageNode *content_node, |
|
907 const gchar *stream_name, |
|
908 GabbleMediaStream *stream, |
|
909 LmMessageNode *desc_node, |
|
910 LmMessageNode *trans_node, |
|
911 GError **error) |
|
912 { |
|
913 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
914 const gchar *senders; |
|
915 CombinedStreamDirection new_combined_dir; |
|
916 TpMediaStreamDirection requested_dir, current_dir; |
|
917 TpMediaStreamPendingSend pending_send; |
|
918 |
|
919 if (priv->mode == MODE_GOOGLE) |
|
920 return TRUE; |
|
921 |
|
922 requested_dir = TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL; |
|
923 |
|
924 senders = lm_message_node_get_attribute (content_node, "senders"); |
|
925 if (senders != NULL) |
|
926 requested_dir = _senders_to_direction (session, senders); |
|
927 |
|
928 if (requested_dir == TP_MEDIA_STREAM_DIRECTION_NONE) |
|
929 { |
|
930 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
931 "received invalid content senders value \"%s\" on stream \"%s\"; " |
|
932 "rejecting", senders, stream_name); |
|
933 return FALSE; |
|
934 } |
|
935 |
|
936 current_dir = COMBINED_DIRECTION_GET_DIRECTION (stream->combined_direction); |
|
937 pending_send = COMBINED_DIRECTION_GET_PENDING_SEND |
|
938 (stream->combined_direction); |
|
939 |
|
940 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "received request for senders \"%s\" on stream " |
|
941 "\"%s\"", senders, stream_name); |
|
942 |
|
943 /* if local sending has been added, remove it, |
|
944 * and set the pending local send flag */ |
|
945 if (((current_dir & TP_MEDIA_STREAM_DIRECTION_SEND) == 0) && |
|
946 ((requested_dir & TP_MEDIA_STREAM_DIRECTION_SEND) != 0)) |
|
947 { |
|
948 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "setting pending local send flag"); |
|
949 requested_dir &= ~TP_MEDIA_STREAM_DIRECTION_SEND; |
|
950 pending_send |= TP_MEDIA_STREAM_PENDING_LOCAL_SEND; |
|
951 } |
|
952 |
|
953 #if 0 |
|
954 /* clear any pending remote send */ |
|
955 if ((pending_send & TP_MEDIA_STREAM_PENDING_REMOTE_SEND) != 0) |
|
956 { |
|
957 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "setting pending local send flag"); |
|
958 pending_send &= ~TP_MEDIA_STREAM_PENDING_REMOTE_SEND; |
|
959 } |
|
960 #endif |
|
961 |
|
962 /* make any necessary changes */ |
|
963 new_combined_dir = MAKE_COMBINED_DIRECTION (requested_dir, pending_send); |
|
964 if (new_combined_dir != stream->combined_direction) |
|
965 { |
|
966 g_object_set (stream, "combined-direction", new_combined_dir, NULL); |
|
967 _gabble_media_stream_update_sending (stream, FALSE); |
|
968 } |
|
969 |
|
970 return TRUE; |
|
971 } |
|
972 |
|
973 |
|
974 static gboolean |
|
975 _handle_accept (GabbleMediaSession *session, |
|
976 LmMessage *message, |
|
977 LmMessageNode *content_node, |
|
978 const gchar *stream_name, |
|
979 GabbleMediaStream *stream, |
|
980 LmMessageNode *desc_node, |
|
981 LmMessageNode *trans_node, |
|
982 GError **error) |
|
983 { |
|
984 g_object_set (stream, "playing", TRUE, NULL); |
|
985 |
|
986 _gabble_media_stream_update_sending (stream, TRUE); |
|
987 |
|
988 return TRUE; |
|
989 } |
|
990 |
|
991 |
|
992 static gboolean |
|
993 _handle_codecs (GabbleMediaSession *session, |
|
994 LmMessage *message, |
|
995 LmMessageNode *content_node, |
|
996 const gchar *stream_name, |
|
997 GabbleMediaStream *stream, |
|
998 LmMessageNode *desc_node, |
|
999 LmMessageNode *trans_node, |
|
1000 GError **error) |
|
1001 { |
|
1002 if (desc_node == NULL) |
|
1003 { |
|
1004 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
1005 "unable to handle codecs without a content description node"); |
|
1006 return FALSE; |
|
1007 } |
|
1008 |
|
1009 if (!_gabble_media_stream_post_remote_codecs (stream, message, desc_node, |
|
1010 error)) |
|
1011 return FALSE; |
|
1012 |
|
1013 return TRUE; |
|
1014 } |
|
1015 |
|
1016 |
|
1017 static gboolean |
|
1018 _handle_candidates (GabbleMediaSession *session, |
|
1019 LmMessage *message, |
|
1020 LmMessageNode *content_node, |
|
1021 const gchar *stream_name, |
|
1022 GabbleMediaStream *stream, |
|
1023 LmMessageNode *desc_node, |
|
1024 LmMessageNode *trans_node, |
|
1025 GError **error) |
|
1026 { |
|
1027 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1028 |
|
1029 if (trans_node == NULL) |
|
1030 { |
|
1031 if (priv->mode == MODE_GOOGLE) |
|
1032 { |
|
1033 trans_node = content_node; |
|
1034 } |
|
1035 else |
|
1036 { |
|
1037 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
1038 "unable to handle candidates without a transport node"); |
|
1039 return FALSE; |
|
1040 } |
|
1041 } |
|
1042 |
|
1043 if (!_gabble_media_stream_post_remote_candidates (stream, message, |
|
1044 trans_node, error)) |
|
1045 return FALSE; |
|
1046 |
|
1047 return TRUE; |
|
1048 } |
|
1049 |
|
1050 static guint |
|
1051 _count_non_removing_streams (GabbleMediaSession *session) |
|
1052 { |
|
1053 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1054 guint i, ret = 0; |
|
1055 |
|
1056 for (i = 0; i < priv->streams->len; i++) |
|
1057 { |
|
1058 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1059 |
|
1060 if (stream->signalling_state < STREAM_SIG_STATE_REMOVING) |
|
1061 ret++; |
|
1062 } |
|
1063 |
|
1064 return ret; |
|
1065 } |
|
1066 |
|
1067 static gboolean |
|
1068 _handle_remove (GabbleMediaSession *session, |
|
1069 LmMessage *message, |
|
1070 LmMessageNode *content_node, |
|
1071 const gchar *stream_name, |
|
1072 GabbleMediaStream *stream, |
|
1073 LmMessageNode *desc_node, |
|
1074 LmMessageNode *trans_node, |
|
1075 GError **error) |
|
1076 { |
|
1077 /* reducing a session to contain 0 streams is invalid; instead the peer |
|
1078 * should terminate the session. I guess we'll do it for them... */ |
|
1079 if (_count_non_removing_streams (session) == 1) |
|
1080 { |
|
1081 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
1082 "unable to remove the last stream in a Jingle call"); |
|
1083 return FALSE; |
|
1084 } |
|
1085 |
|
1086 /* close the stream */ |
|
1087 destroy_media_stream (session, stream); |
|
1088 |
|
1089 return TRUE; |
|
1090 } |
|
1091 |
|
1092 |
|
1093 static gboolean |
|
1094 _handle_terminate (GabbleMediaSession *session, |
|
1095 LmMessage *message, |
|
1096 LmMessageNode *content_node, |
|
1097 const gchar *stream_name, |
|
1098 GabbleMediaStream *stream, |
|
1099 LmMessageNode *desc_node, |
|
1100 LmMessageNode *trans_node, |
|
1101 GError **error) |
|
1102 { |
|
1103 gabble_debug (DEBUG_FLAG, "called for %s", stream_name); |
|
1104 |
|
1105 _gabble_media_session_terminate (session, INITIATOR_REMOTE, |
|
1106 TP_CHANNEL_GROUP_CHANGE_REASON_NONE); |
|
1107 |
|
1108 return TRUE; |
|
1109 } |
|
1110 |
|
1111 |
|
1112 #ifndef EMULATOR |
|
1113 |
|
1114 typedef gboolean (*StreamHandlerFunc)(GabbleMediaSession *session, |
|
1115 LmMessage *message, |
|
1116 LmMessageNode *content_node, |
|
1117 const gchar *stream_name, |
|
1118 GabbleMediaStream *stream, |
|
1119 LmMessageNode *desc_node, |
|
1120 LmMessageNode *trans_node, |
|
1121 GError **error); |
|
1122 |
|
1123 typedef struct _Handler Handler; |
|
1124 |
|
1125 struct _Handler { |
|
1126 const gchar *actions[3]; |
|
1127 JingleSessionState min_allowed_state; |
|
1128 JingleSessionState max_allowed_state; |
|
1129 StreamHandlerFunc stream_handlers[4]; |
|
1130 JingleSessionState new_state; |
|
1131 }; |
|
1132 |
|
1133 static Handler handlers[] = { |
|
1134 { |
|
1135 { "initiate", "session-initiate", NULL }, |
|
1136 JS_STATE_PENDING_CREATED, |
|
1137 JS_STATE_PENDING_CREATED, |
|
1138 { _handle_create, _handle_direction, _handle_codecs, NULL }, |
|
1139 JS_STATE_PENDING_INITIATED |
|
1140 }, |
|
1141 { |
|
1142 { "accept", "session-accept", NULL }, |
|
1143 JS_STATE_PENDING_INITIATED, |
|
1144 JS_STATE_PENDING_INITIATED, |
|
1145 { _handle_direction, _handle_codecs, _handle_accept, NULL }, |
|
1146 JS_STATE_ACTIVE |
|
1147 }, |
|
1148 { |
|
1149 { "reject", NULL }, |
|
1150 JS_STATE_PENDING_INITIATE_SENT, |
|
1151 JS_STATE_PENDING_INITIATED, |
|
1152 { _handle_terminate, NULL }, |
|
1153 JS_STATE_INVALID |
|
1154 }, |
|
1155 { |
|
1156 { "terminate", "session-terminate", NULL }, |
|
1157 JS_STATE_PENDING_INITIATED, |
|
1158 JS_STATE_ENDED, |
|
1159 { _handle_terminate, NULL }, |
|
1160 JS_STATE_INVALID |
|
1161 }, |
|
1162 { |
|
1163 { "candidates", "transport-info", NULL }, |
|
1164 JS_STATE_PENDING_INITIATED, |
|
1165 JS_STATE_ACTIVE, |
|
1166 { _handle_candidates, NULL }, |
|
1167 JS_STATE_INVALID |
|
1168 }, |
|
1169 { |
|
1170 { "content-add", NULL }, |
|
1171 JS_STATE_ACTIVE, |
|
1172 JS_STATE_ACTIVE, |
|
1173 { _handle_create, _handle_direction, _handle_codecs, NULL }, |
|
1174 JS_STATE_INVALID, |
|
1175 }, |
|
1176 { |
|
1177 { "content-modify", NULL }, |
|
1178 JS_STATE_PENDING_INITIATED, |
|
1179 JS_STATE_ACTIVE, |
|
1180 { _handle_direction, NULL }, |
|
1181 JS_STATE_INVALID |
|
1182 }, |
|
1183 { |
|
1184 { "content-accept", NULL }, |
|
1185 JS_STATE_PENDING_INITIATED, |
|
1186 JS_STATE_ACTIVE, |
|
1187 { _handle_direction, _handle_codecs, _handle_accept, NULL }, |
|
1188 JS_STATE_INVALID |
|
1189 }, |
|
1190 { |
|
1191 { "content-remove", "content-decline", NULL }, |
|
1192 JS_STATE_PENDING_INITIATED, |
|
1193 JS_STATE_ACTIVE, |
|
1194 { _handle_remove, NULL }, |
|
1195 JS_STATE_INVALID |
|
1196 }, |
|
1197 { |
|
1198 { NULL }, |
|
1199 JS_STATE_INVALID, |
|
1200 JS_STATE_INVALID, |
|
1201 { NULL }, |
|
1202 JS_STATE_INVALID |
|
1203 } |
|
1204 }; |
|
1205 #else |
|
1206 |
|
1207 Handler *_s_gabble_med_sess_handlers() |
|
1208 { |
|
1209 Handler* handler = libgabble_ImpurePtr()->_s_gabble_med_sess_handlers; |
|
1210 handler[0].stream_handlers[0] = _handle_create; |
|
1211 handler[0].stream_handlers[1] = _handle_direction; |
|
1212 handler[0].stream_handlers[2] = _handle_codecs; |
|
1213 |
|
1214 handler[1].stream_handlers[0] = _handle_direction; |
|
1215 handler[1].stream_handlers[1] = _handle_codecs; |
|
1216 handler[1].stream_handlers[2] = _handle_accept; |
|
1217 |
|
1218 handler[2].stream_handlers[0] = _handle_terminate; |
|
1219 |
|
1220 handler[3].stream_handlers[0] = _handle_terminate; |
|
1221 |
|
1222 handler[4].stream_handlers[0] = _handle_candidates; |
|
1223 |
|
1224 handler[5].stream_handlers[0] = _handle_create; |
|
1225 handler[5].stream_handlers[0] = _handle_direction; |
|
1226 handler[5].stream_handlers[0] = _handle_codecs; |
|
1227 |
|
1228 handler[6].stream_handlers[0] = _handle_direction; |
|
1229 |
|
1230 handler[7].stream_handlers[0] = _handle_direction; |
|
1231 handler[7].stream_handlers[2] = _handle_codecs; |
|
1232 handler[7].stream_handlers[3] = _handle_accept; |
|
1233 |
|
1234 handler[8].stream_handlers[0] = _handle_remove; |
|
1235 |
|
1236 |
|
1237 return handler; |
|
1238 |
|
1239 |
|
1240 |
|
1241 |
|
1242 } |
|
1243 #define handlers (GET_WSD_VAR_NAME(handlers,gabble_med_sess, s)()) |
|
1244 |
|
1245 |
|
1246 |
|
1247 #endif |
|
1248 |
|
1249 |
|
1250 static gboolean |
|
1251 _call_handlers_on_stream (GabbleMediaSession *session, |
|
1252 LmMessage *message, |
|
1253 LmMessageNode *content_node, |
|
1254 const gchar *stream_name, |
|
1255 JingleInitiator stream_creator, |
|
1256 StreamHandlerFunc *func, |
|
1257 GError **error) |
|
1258 { |
|
1259 GabbleMediaStream *stream = NULL; |
|
1260 LmMessageNode *desc_node = NULL, *trans_node = NULL; |
|
1261 StreamHandlerFunc *tmp; |
|
1262 gboolean stream_created = FALSE; |
|
1263 |
|
1264 if (content_node != NULL) |
|
1265 { |
|
1266 desc_node = lm_message_node_get_child (content_node, "description"); |
|
1267 |
|
1268 trans_node = lm_message_node_get_child_with_namespace (content_node, |
|
1269 "transport", NS_GOOGLE_TRANSPORT_P2P); |
|
1270 } |
|
1271 |
|
1272 for (tmp = func; *tmp != NULL; tmp++) |
|
1273 { |
|
1274 /* handlers may create the stream */ |
|
1275 if (stream == NULL && stream_name != NULL) |
|
1276 stream = _lookup_stream_by_name_and_initiator (session, stream_name, |
|
1277 stream_creator); |
|
1278 |
|
1279 /* the create handler is able to check whether or not the stream |
|
1280 * exists, and act accordingly (sometimes it will replace an existing |
|
1281 * stream, sometimes it will reject). the termination handler |
|
1282 * also requires no stream to do it's job. */ |
|
1283 if (*tmp != _handle_create && *tmp != _handle_terminate) |
|
1284 { |
|
1285 /* all other handlers require the stream to exist */ |
|
1286 if (stream == NULL) |
|
1287 { |
|
1288 const gchar *created = ""; |
|
1289 |
|
1290 if (stream_creator == INITIATOR_LOCAL) |
|
1291 created = "locally-created "; |
|
1292 else if (stream_creator == INITIATOR_REMOTE) |
|
1293 created = "remotely-created "; |
|
1294 |
|
1295 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_ITEM_NOT_FOUND, |
|
1296 "unable to handle action for unknown %sstream \"%s\" ", |
|
1297 created, stream_name); |
|
1298 |
|
1299 return FALSE; |
|
1300 } |
|
1301 else |
|
1302 { |
|
1303 /* don't do anything with actions on streams which have not been |
|
1304 * acknowledged, or that we're trying to remove, to deal with |
|
1305 * adding/removing race conditions (actions sent by the other end |
|
1306 * before they're aware that we've added or removed a stream) */ |
|
1307 if (stream->signalling_state != STREAM_SIG_STATE_ACKNOWLEDGED) |
|
1308 { |
|
1309 _gabble_media_session_debug (session, DEBUG_MSG_WARNING, "ignoring action because stream " |
|
1310 "%s is in state %d, not ACKNOWLEDGED", stream->name, |
|
1311 stream->signalling_state); |
|
1312 return TRUE; |
|
1313 } |
|
1314 } |
|
1315 } |
|
1316 |
|
1317 if (!(*tmp) (session, message, content_node, stream_name, stream, |
|
1318 desc_node, trans_node, error)) |
|
1319 { |
|
1320 /* if we successfully created the stream but failed to do something |
|
1321 * with it later, remove it */ |
|
1322 if (stream_created) |
|
1323 destroy_media_stream (session, stream); |
|
1324 |
|
1325 return FALSE; |
|
1326 } |
|
1327 |
|
1328 if (*tmp == _handle_create) |
|
1329 { |
|
1330 stream_created = TRUE; |
|
1331 /* force a stream lookup after the create handler, even if we |
|
1332 * already had one (it has replacement semantics in certain |
|
1333 * situations) */ |
|
1334 stream = NULL; |
|
1335 } |
|
1336 } |
|
1337 |
|
1338 return TRUE; |
|
1339 } |
|
1340 |
|
1341 |
|
1342 static JingleInitiator |
|
1343 _creator_to_initiator (GabbleMediaSession *session, const gchar *creator) |
|
1344 { |
|
1345 if (!g_strdiff (creator, "initiator")) |
|
1346 { |
|
1347 if (session->initiator == INITIATOR_LOCAL) |
|
1348 return INITIATOR_LOCAL; |
|
1349 else |
|
1350 return INITIATOR_REMOTE; |
|
1351 } |
|
1352 else if (!g_strdiff (creator, "responder")) |
|
1353 { |
|
1354 if (session->initiator == INITIATOR_LOCAL) |
|
1355 return INITIATOR_REMOTE; |
|
1356 else |
|
1357 return INITIATOR_LOCAL; |
|
1358 } |
|
1359 else |
|
1360 return INITIATOR_INVALID; |
|
1361 } |
|
1362 |
|
1363 |
|
1364 static gboolean |
|
1365 _call_handlers_on_streams (GabbleMediaSession *session, |
|
1366 LmMessage *message, |
|
1367 LmMessageNode *session_node, |
|
1368 StreamHandlerFunc *func, |
|
1369 GError **error) |
|
1370 { |
|
1371 LmMessageNode *content_node; |
|
1372 |
|
1373 if (lm_message_node_has_namespace (session_node, NS_GOOGLE_SESSION, NULL)) |
|
1374 return _call_handlers_on_stream (session, message, session_node, |
|
1375 GTALK_STREAM_NAME, INITIATOR_INVALID, func, error); |
|
1376 |
|
1377 if (session_node->children == NULL) |
|
1378 return _call_handlers_on_stream (session, message, NULL, NULL, |
|
1379 INITIATOR_INVALID, func, error); |
|
1380 |
|
1381 for (content_node = session_node->children; |
|
1382 NULL != content_node; |
|
1383 content_node = content_node->next) |
|
1384 { |
|
1385 const gchar *stream_name, *stream_creator; |
|
1386 JingleInitiator stream_initiator; |
|
1387 |
|
1388 if (g_strdiff (content_node->name, "content")) |
|
1389 continue; |
|
1390 |
|
1391 stream_name = lm_message_node_get_attribute (content_node, "name"); |
|
1392 |
|
1393 if (stream_name == NULL) |
|
1394 { |
|
1395 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
1396 "rejecting content node with no name"); |
|
1397 return FALSE; |
|
1398 } |
|
1399 |
|
1400 stream_creator = lm_message_node_get_attribute (content_node, "creator"); |
|
1401 stream_initiator = _creator_to_initiator (session, stream_creator); |
|
1402 |
|
1403 /* we allow NULL creator to mean INITIATOR_INVALID for backwards |
|
1404 * compatibility with clients that don't put a creator attribute in */ |
|
1405 if (stream_creator != NULL && stream_initiator == INITIATOR_INVALID) |
|
1406 { |
|
1407 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
1408 "rejecting content node with invalid creators value"); |
|
1409 return FALSE; |
|
1410 } |
|
1411 |
|
1412 if (!_call_handlers_on_stream (session, message, content_node, |
|
1413 stream_name, stream_initiator, func, error)) |
|
1414 return FALSE; |
|
1415 } |
|
1416 |
|
1417 return TRUE; |
|
1418 } |
|
1419 |
|
1420 |
|
1421 gboolean |
|
1422 _gabble_media_session_handle_action (GabbleMediaSession *session, |
|
1423 LmMessage *message, |
|
1424 LmMessageNode *session_node, |
|
1425 const gchar *action, |
|
1426 GError **error) |
|
1427 { |
|
1428 GabbleMediaSessionPrivate *priv; |
|
1429 StreamHandlerFunc *funcs = NULL; |
|
1430 JingleSessionState new_state = JS_STATE_INVALID; |
|
1431 Handler *i; |
|
1432 |
|
1433 #ifdef EMULATOR |
|
1434 gchar **tmp; |
|
1435 #else |
|
1436 const gchar **tmp; |
|
1437 #endif |
|
1438 |
|
1439 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
1440 |
|
1441 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1442 |
|
1443 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "got jingle session action \"%s\" from peer", |
|
1444 action); |
|
1445 |
|
1446 /* do the state machine dance */ |
|
1447 |
|
1448 /* search the table of handlers for the action */ |
|
1449 for (i = handlers; NULL != i->actions[0]; i++) |
|
1450 { |
|
1451 for (tmp = (char**)i->actions; NULL != *tmp; tmp++) |
|
1452 if (0 == strcmp (*tmp, action)) |
|
1453 break; |
|
1454 |
|
1455 if (NULL == *tmp) |
|
1456 continue; |
|
1457 |
|
1458 /* if we're outside the allowable states for this action, return an error |
|
1459 * immediately */ |
|
1460 if (priv->state < i->min_allowed_state || |
|
1461 priv->state > i->max_allowed_state) |
|
1462 { |
|
1463 g_set_error (error, GABBLE_XMPP_ERROR, |
|
1464 XMPP_ERROR_JINGLE_OUT_OF_ORDER, |
|
1465 "action \"%s\" not allowed in current state", action); |
|
1466 goto ERROR; |
|
1467 } |
|
1468 |
|
1469 funcs = i->stream_handlers; |
|
1470 new_state = i->new_state; |
|
1471 |
|
1472 break; |
|
1473 } |
|
1474 |
|
1475 /* pointer is not NULL if we found a matching action */ |
|
1476 if (NULL == funcs) |
|
1477 { |
|
1478 g_set_error (error, GABBLE_XMPP_ERROR, |
|
1479 XMPP_ERROR_FEATURE_NOT_IMPLEMENTED, "action \"%s\" not implemented", |
|
1480 action); |
|
1481 goto ERROR; |
|
1482 } |
|
1483 |
|
1484 /* call handlers if there are any (NULL-terminated array) */ |
|
1485 if (NULL != *funcs) |
|
1486 { |
|
1487 if (!_call_handlers_on_streams (session, message, session_node, funcs, |
|
1488 error)) |
|
1489 { |
|
1490 if (*error == NULL) |
|
1491 g_set_error (error, GABBLE_XMPP_ERROR, XMPP_ERROR_BAD_REQUEST, |
|
1492 "unknown error encountered with action \"%s\"", |
|
1493 action); |
|
1494 |
|
1495 goto ERROR; |
|
1496 } |
|
1497 } |
|
1498 |
|
1499 /* acknowledge the IQ before changing the state because the new state |
|
1500 * could perform some actions which the other end will only accept |
|
1501 * if this action has been acknowledged */ |
|
1502 _gabble_connection_acknowledge_set_iq (priv->conn, message); |
|
1503 |
|
1504 /* if the action specified a new state to go to, set it */ |
|
1505 if (JS_STATE_INVALID != new_state) |
|
1506 g_object_set (session, "state", new_state, NULL); |
|
1507 |
|
1508 return TRUE; |
|
1509 |
|
1510 ERROR: |
|
1511 g_assert (error != NULL); |
|
1512 _gabble_media_session_debug (session, DEBUG_MSG_ERROR, (*error)->message); |
|
1513 return FALSE; |
|
1514 } |
|
1515 |
|
1516 static gboolean |
|
1517 timeout_session (gpointer data) |
|
1518 { |
|
1519 GabbleMediaSession *session = data; |
|
1520 |
|
1521 gabble_debug (DEBUG_FLAG, "session timed out"); |
|
1522 |
|
1523 _gabble_media_session_terminate (session, INITIATOR_LOCAL, |
|
1524 TP_CHANNEL_GROUP_CHANGE_REASON_ERROR); |
|
1525 |
|
1526 return FALSE; |
|
1527 } |
|
1528 |
|
1529 static void do_content_add (GabbleMediaSession *, GabbleMediaStream *); |
|
1530 |
|
1531 void |
|
1532 _add_ready_new_streams (GabbleMediaSession *session) |
|
1533 { |
|
1534 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1535 guint i; |
|
1536 |
|
1537 for (i = 0; i < priv->streams->len; i++) |
|
1538 { |
|
1539 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1540 |
|
1541 _gabble_media_session_debug (session, DEBUG_MSG_DUMP, "pondering accept-time add for stream: %s, got " |
|
1542 "local codecs: %s, initiator: %s, signalling state: %d", stream->name, |
|
1543 stream->got_local_codecs ? "true" : "false", |
|
1544 stream->initiator == INITIATOR_LOCAL ? "local" : "remote", |
|
1545 stream->signalling_state); |
|
1546 |
|
1547 if (stream->got_local_codecs == FALSE) |
|
1548 continue; |
|
1549 |
|
1550 if (stream->initiator == INITIATOR_REMOTE) |
|
1551 continue; |
|
1552 |
|
1553 if (stream->signalling_state > STREAM_SIG_STATE_NEW) |
|
1554 continue; |
|
1555 |
|
1556 do_content_add (session, stream); |
|
1557 } |
|
1558 } |
|
1559 |
|
1560 static void |
|
1561 session_state_changed (GabbleMediaSession *session, |
|
1562 JingleSessionState prev_state, |
|
1563 JingleSessionState new_state) |
|
1564 { |
|
1565 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1566 |
|
1567 _gabble_media_session_debug (session, DEBUG_MSG_EVENT, "state changed from %s to %s", |
|
1568 session_states[prev_state].name, |
|
1569 session_states[new_state].name); |
|
1570 |
|
1571 /* |
|
1572 * If the state goes from CREATED to INITIATED (which means the remote |
|
1573 * end initiated), set the timer. If, OTOH, we're the end which just sent an |
|
1574 * initiate, set the timer. |
|
1575 */ |
|
1576 if ((prev_state == JS_STATE_PENDING_CREATED && |
|
1577 new_state == JS_STATE_PENDING_INITIATED) || |
|
1578 (new_state == JS_STATE_PENDING_INITIATE_SENT)) |
|
1579 { |
|
1580 priv->timer_id = |
|
1581 g_timeout_add (DEFAULT_SESSION_TIMEOUT, timeout_session, session); |
|
1582 } |
|
1583 else if (new_state == JS_STATE_ACTIVE) |
|
1584 { |
|
1585 g_source_remove (priv->timer_id); |
|
1586 priv->timer_id = 0; |
|
1587 |
|
1588 /* signal any streams to the remote end which were added locally & became |
|
1589 * ready before the session was accepted, so haven't been mentioned yet */ |
|
1590 _add_ready_new_streams (session); |
|
1591 } |
|
1592 } |
|
1593 |
|
1594 static void |
|
1595 _mark_local_streams_sent (GabbleMediaSession *session) |
|
1596 { |
|
1597 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1598 guint i; |
|
1599 |
|
1600 for (i = 0; i < priv->streams->len; i++) |
|
1601 { |
|
1602 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1603 |
|
1604 if (stream->initiator == INITIATOR_REMOTE) |
|
1605 continue; |
|
1606 |
|
1607 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "marking local stream %s as signalled", stream->name); |
|
1608 |
|
1609 g_object_set (stream, "signalling-state", STREAM_SIG_STATE_SENT, NULL); |
|
1610 } |
|
1611 } |
|
1612 |
|
1613 static void |
|
1614 _mark_local_streams_acked (GabbleMediaSession *session) |
|
1615 { |
|
1616 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1617 guint i; |
|
1618 |
|
1619 for (i = 0; i < priv->streams->len; i++) |
|
1620 { |
|
1621 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1622 |
|
1623 if (stream->initiator == INITIATOR_REMOTE) |
|
1624 continue; |
|
1625 |
|
1626 if (stream->signalling_state != STREAM_SIG_STATE_SENT) |
|
1627 continue; |
|
1628 |
|
1629 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "marking local stream %s as acknowledged", stream->name); |
|
1630 |
|
1631 g_object_set (stream, |
|
1632 "signalling-state", STREAM_SIG_STATE_ACKNOWLEDGED, |
|
1633 NULL); |
|
1634 } |
|
1635 } |
|
1636 |
|
1637 static void |
|
1638 _set_remote_streams_playing (GabbleMediaSession *session) |
|
1639 { |
|
1640 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1641 guint i; |
|
1642 |
|
1643 for (i = 0; i < priv->streams->len; i++) |
|
1644 { |
|
1645 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1646 |
|
1647 if (stream->initiator == INITIATOR_LOCAL) |
|
1648 continue; |
|
1649 |
|
1650 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "setting remote stream %s as playing", stream->name); |
|
1651 |
|
1652 g_object_set (stream, "playing", TRUE, NULL); |
|
1653 } |
|
1654 } |
|
1655 |
|
1656 static const gchar *_direction_to_senders (GabbleMediaSession *, |
|
1657 TpMediaStreamDirection); |
|
1658 |
|
1659 static void |
|
1660 _add_content_descriptions_one (GabbleMediaSession *session, |
|
1661 GabbleMediaStream *stream, |
|
1662 LmMessageNode *session_node) |
|
1663 { |
|
1664 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1665 LmMessageNode *content_node; |
|
1666 |
|
1667 if (priv->mode == MODE_GOOGLE) |
|
1668 { |
|
1669 content_node = session_node; |
|
1670 } |
|
1671 else |
|
1672 { |
|
1673 TpMediaStreamDirection direction; |
|
1674 TpMediaStreamPendingSend pending_send; |
|
1675 |
|
1676 content_node = _gabble_media_stream_add_content_node (stream, |
|
1677 session_node); |
|
1678 |
|
1679 direction = COMBINED_DIRECTION_GET_DIRECTION (stream->combined_direction); |
|
1680 pending_send = COMBINED_DIRECTION_GET_PENDING_SEND |
|
1681 (stream->combined_direction); |
|
1682 |
|
1683 /* if we have a pending local send flag set, the signalled (ie understood |
|
1684 * by both ends) direction of the stream is assuming that we are actually |
|
1685 * sending, so we should OR that into the direction before deciding what |
|
1686 * to signal the stream with. we don't need to consider pending remote |
|
1687 * send because it doesn't happen in Jingle */ |
|
1688 |
|
1689 if ((pending_send & TP_MEDIA_STREAM_PENDING_LOCAL_SEND) != 0) |
|
1690 direction |= TP_MEDIA_STREAM_DIRECTION_SEND; |
|
1691 |
|
1692 if (direction != TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL) |
|
1693 { |
|
1694 const gchar *senders; |
|
1695 senders = _direction_to_senders (session, direction); |
|
1696 lm_message_node_set_attribute (content_node, "senders", senders); |
|
1697 } |
|
1698 } |
|
1699 |
|
1700 _gabble_media_stream_content_node_add_description (stream, content_node); |
|
1701 |
|
1702 _gabble_media_stream_content_node_add_transport (stream, content_node); |
|
1703 } |
|
1704 |
|
1705 static void |
|
1706 _add_content_descriptions (GabbleMediaSession *session, |
|
1707 LmMessageNode *session_node, |
|
1708 JingleInitiator stream_initiator) |
|
1709 { |
|
1710 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1711 guint i; |
|
1712 |
|
1713 for (i = 0; i < priv->streams->len; i++) |
|
1714 { |
|
1715 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1716 |
|
1717 if (stream->initiator != stream_initiator) |
|
1718 { |
|
1719 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
1720 "not adding content description for %s stream %s", |
|
1721 stream->initiator == INITIATOR_LOCAL ? "local" : "remote", |
|
1722 stream->name); |
|
1723 continue; |
|
1724 } |
|
1725 |
|
1726 _add_content_descriptions_one (session, stream, session_node); |
|
1727 } |
|
1728 } |
|
1729 |
|
1730 static LmHandlerResult |
|
1731 accept_msg_reply_cb (GabbleConnection *conn, |
|
1732 LmMessage *sent_msg, |
|
1733 LmMessage *reply_msg, |
|
1734 GObject *object, |
|
1735 gpointer user_data) |
|
1736 { |
|
1737 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (object); |
|
1738 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1739 guint i; |
|
1740 |
|
1741 MSG_REPLY_CB_END_SESSION_IF_NOT_SUCCESSFUL (session, "accept failed"); |
|
1742 |
|
1743 for (i = 0; i < priv->streams->len; i++) |
|
1744 { |
|
1745 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1746 |
|
1747 if (stream->initiator == INITIATOR_LOCAL) |
|
1748 continue; |
|
1749 |
|
1750 _gabble_media_stream_update_sending (stream, TRUE); |
|
1751 } |
|
1752 |
|
1753 g_object_set (session, "state", JS_STATE_ACTIVE, NULL); |
|
1754 |
|
1755 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1756 } |
|
1757 |
|
1758 static gboolean |
|
1759 _stream_not_ready_for_accept (GabbleMediaSession *session, |
|
1760 GabbleMediaStream *stream) |
|
1761 { |
|
1762 /* locally initiated streams shouldn't delay acceptance */ |
|
1763 if (stream->initiator == INITIATOR_LOCAL) |
|
1764 return FALSE; |
|
1765 |
|
1766 if (!stream->got_local_codecs) |
|
1767 { |
|
1768 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream %s does not yet have local codecs", |
|
1769 stream->name); |
|
1770 |
|
1771 return TRUE; |
|
1772 } |
|
1773 |
|
1774 if (stream->connection_state != TP_MEDIA_STREAM_STATE_CONNECTED) |
|
1775 { |
|
1776 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream %s is not yet connected", stream->name); |
|
1777 |
|
1778 return TRUE; |
|
1779 } |
|
1780 |
|
1781 return FALSE; |
|
1782 } |
|
1783 |
|
1784 static void |
|
1785 try_session_accept (GabbleMediaSession *session) |
|
1786 { |
|
1787 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1788 LmMessage *msg; |
|
1789 LmMessageNode *session_node; |
|
1790 const gchar *action; |
|
1791 guint i; |
|
1792 |
|
1793 if (priv->state < JS_STATE_ACTIVE && !priv->locally_accepted) |
|
1794 { |
|
1795 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "not sending accept yet, waiting for local " |
|
1796 "user to accept call"); |
|
1797 return; |
|
1798 } |
|
1799 |
|
1800 for (i = 0; i < priv->streams->len; i++) |
|
1801 { |
|
1802 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1803 |
|
1804 if (_stream_not_ready_for_accept (session, stream)) |
|
1805 { |
|
1806 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "not sending accept yet, found a stream " |
|
1807 "which was not yet connected or was missing local codecs"); |
|
1808 return; |
|
1809 } |
|
1810 } |
|
1811 |
|
1812 if (priv->mode == MODE_GOOGLE) |
|
1813 action = "accept"; |
|
1814 else |
|
1815 action = "session-accept"; |
|
1816 |
|
1817 /* construct a session acceptance message */ |
|
1818 msg = _gabble_media_session_message_new (session, action, &session_node); |
|
1819 |
|
1820 /* only accept REMOTE streams; any LOCAL streams were added by the local |
|
1821 * user before accepting and should be signalled after the accept */ |
|
1822 _add_content_descriptions (session, session_node, INITIATOR_REMOTE); |
|
1823 |
|
1824 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle session action \"%s\" to peer", |
|
1825 action); |
|
1826 |
|
1827 /* send the final acceptance message */ |
|
1828 _gabble_connection_send_with_reply (priv->conn, msg, accept_msg_reply_cb, |
|
1829 G_OBJECT (session), NULL, NULL); |
|
1830 |
|
1831 lm_message_unref (msg); |
|
1832 |
|
1833 /* set remote streams playing */ |
|
1834 _set_remote_streams_playing (session); |
|
1835 |
|
1836 g_object_set (session, "state", JS_STATE_PENDING_ACCEPT_SENT, NULL); |
|
1837 } |
|
1838 |
|
1839 static LmHandlerResult |
|
1840 content_accept_msg_reply_cb (GabbleConnection *conn, |
|
1841 LmMessage *sent_msg, |
|
1842 LmMessage *reply_msg, |
|
1843 GObject *object, |
|
1844 gpointer user_data) |
|
1845 { |
|
1846 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (user_data); |
|
1847 GabbleMediaStream *stream = GABBLE_MEDIA_STREAM (object); |
|
1848 |
|
1849 if (lm_message_get_sub_type (reply_msg) != LM_MESSAGE_SUB_TYPE_RESULT) |
|
1850 { |
|
1851 _gabble_media_session_debug (session, DEBUG_MSG_ERROR, "content-accept failed; removing stream"); |
|
1852 NODE_DEBUG (sent_msg->node, "message sent"); |
|
1853 NODE_DEBUG (reply_msg->node, "message reply"); |
|
1854 |
|
1855 _gabble_media_session_remove_streams (session, &stream, 1); |
|
1856 |
|
1857 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1858 } |
|
1859 |
|
1860 _gabble_media_stream_update_sending (stream, TRUE); |
|
1861 |
|
1862 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1863 } |
|
1864 |
|
1865 static void |
|
1866 try_content_accept (GabbleMediaSession *session, |
|
1867 GabbleMediaStream *stream) |
|
1868 { |
|
1869 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1870 LmMessage *msg; |
|
1871 LmMessageNode *session_node; |
|
1872 |
|
1873 g_assert (priv->state == JS_STATE_ACTIVE); |
|
1874 g_assert (priv->mode == MODE_JINGLE); |
|
1875 |
|
1876 if (_stream_not_ready_for_accept (session, stream)) |
|
1877 { |
|
1878 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "not sending content-accept yet, stream %s " |
|
1879 "is disconnected or missing local codecs", stream->name); |
|
1880 return; |
|
1881 } |
|
1882 |
|
1883 /* send a content acceptance message */ |
|
1884 msg = _gabble_media_session_message_new (session, "content-accept", |
|
1885 &session_node); |
|
1886 |
|
1887 _add_content_descriptions_one (session, stream, session_node); |
|
1888 |
|
1889 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle session action \"content-accept\" " |
|
1890 "to peer for stream %s", stream->name); |
|
1891 |
|
1892 _gabble_connection_send_with_reply (priv->conn, msg, |
|
1893 content_accept_msg_reply_cb, G_OBJECT (stream), session, NULL); |
|
1894 |
|
1895 lm_message_unref (msg); |
|
1896 |
|
1897 /* set stream playing */ |
|
1898 g_object_set (stream, "playing", TRUE, NULL); |
|
1899 } |
|
1900 |
|
1901 static LmHandlerResult |
|
1902 initiate_msg_reply_cb (GabbleConnection *conn, |
|
1903 LmMessage *sent_msg, |
|
1904 LmMessage *reply_msg, |
|
1905 GObject *object, |
|
1906 gpointer user_data) |
|
1907 { |
|
1908 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (object); |
|
1909 |
|
1910 MSG_REPLY_CB_END_SESSION_IF_NOT_SUCCESSFUL (session, "initiate failed"); |
|
1911 |
|
1912 g_object_set (session, "state", JS_STATE_PENDING_INITIATED, NULL); |
|
1913 |
|
1914 /* mark all of the streams that we sent in the initiate as acknowledged */ |
|
1915 _mark_local_streams_acked (session); |
|
1916 |
|
1917 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1918 } |
|
1919 |
|
1920 static gboolean |
|
1921 _stream_not_ready_for_initiate (GabbleMediaSession *session, |
|
1922 GabbleMediaStream *stream) |
|
1923 { |
|
1924 if (!stream->got_local_codecs) |
|
1925 { |
|
1926 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream %s does not yet have local codecs", |
|
1927 stream->name); |
|
1928 |
|
1929 return TRUE; |
|
1930 } |
|
1931 |
|
1932 return FALSE; |
|
1933 } |
|
1934 |
|
1935 static void |
|
1936 try_session_initiate (GabbleMediaSession *session) |
|
1937 { |
|
1938 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
1939 LmMessage *msg; |
|
1940 LmMessageNode *session_node; |
|
1941 const gchar *action; |
|
1942 guint i; |
|
1943 |
|
1944 for (i = 0; i < priv->streams->len; i++) |
|
1945 { |
|
1946 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
1947 |
|
1948 if (_stream_not_ready_for_initiate (session, stream)) |
|
1949 { |
|
1950 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "not sending initiate yet, found a stream " |
|
1951 "which was missing local codecs"); |
|
1952 return; |
|
1953 } |
|
1954 } |
|
1955 |
|
1956 if (priv->mode == MODE_GOOGLE) |
|
1957 action = "initiate"; |
|
1958 else |
|
1959 action = "session-initiate"; |
|
1960 |
|
1961 msg = _gabble_media_session_message_new (session, action, &session_node); |
|
1962 |
|
1963 _add_content_descriptions (session, session_node, INITIATOR_LOCAL); |
|
1964 |
|
1965 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle action \"%s\" to peer", action); |
|
1966 |
|
1967 _gabble_connection_send_with_reply (priv->conn, msg, initiate_msg_reply_cb, |
|
1968 G_OBJECT (session), NULL, NULL); |
|
1969 |
|
1970 lm_message_unref (msg); |
|
1971 |
|
1972 /* mark local streams as sent (so that eg candidates will be sent) */ |
|
1973 _mark_local_streams_sent (session); |
|
1974 |
|
1975 g_object_set (session, "state", JS_STATE_PENDING_INITIATE_SENT, NULL); |
|
1976 } |
|
1977 |
|
1978 static LmHandlerResult |
|
1979 content_add_msg_reply_cb (GabbleConnection *conn, |
|
1980 LmMessage *sent_msg, |
|
1981 LmMessage *reply_msg, |
|
1982 GObject *object, |
|
1983 gpointer user_data) |
|
1984 { |
|
1985 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (user_data); |
|
1986 GabbleMediaStream *stream = GABBLE_MEDIA_STREAM (object); |
|
1987 |
|
1988 if (lm_message_get_sub_type (reply_msg) != LM_MESSAGE_SUB_TYPE_RESULT) |
|
1989 { |
|
1990 if (session->initiator == INITIATOR_REMOTE && |
|
1991 stream->signalling_state == STREAM_SIG_STATE_ACKNOWLEDGED) |
|
1992 { |
|
1993 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "ignoring content-add failure, stream has " |
|
1994 "been successfully created by the session initiator"); |
|
1995 } |
|
1996 else |
|
1997 { |
|
1998 _gabble_media_session_debug (session, DEBUG_MSG_ERROR, "content-add failed; removing stream"); |
|
1999 NODE_DEBUG (sent_msg->node, "message sent"); |
|
2000 NODE_DEBUG (reply_msg->node, "message reply"); |
|
2001 |
|
2002 _gabble_media_stream_close (stream); |
|
2003 } |
|
2004 } |
|
2005 else |
|
2006 { |
|
2007 if (stream->signalling_state == STREAM_SIG_STATE_SENT) |
|
2008 { |
|
2009 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "content-add succeeded, marking stream as " |
|
2010 "ACKNOWLEDGED"); |
|
2011 |
|
2012 g_object_set (stream, |
|
2013 "signalling-state", STREAM_SIG_STATE_ACKNOWLEDGED, |
|
2014 NULL); |
|
2015 } |
|
2016 else |
|
2017 { |
|
2018 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "content-add succeeded, but not marking" |
|
2019 "stream as ACKNOWLEDGED, it's in state %d", |
|
2020 stream->signalling_state); |
|
2021 } |
|
2022 } |
|
2023 |
|
2024 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
2025 } |
|
2026 |
|
2027 static void |
|
2028 do_content_add (GabbleMediaSession *session, |
|
2029 GabbleMediaStream *stream) |
|
2030 { |
|
2031 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2032 LmMessage *msg; |
|
2033 LmMessageNode *session_node; |
|
2034 |
|
2035 g_assert (priv->state == JS_STATE_ACTIVE); |
|
2036 g_assert (priv->mode == MODE_JINGLE); |
|
2037 |
|
2038 if (_stream_not_ready_for_initiate (session, stream)) |
|
2039 { |
|
2040 _gabble_media_session_debug (session, DEBUG_MSG_ERROR, "trying to send content-add for stream %s " |
|
2041 "but we have no local codecs. what?!", stream->name); |
|
2042 g_assert_not_reached (); |
|
2043 return; |
|
2044 } |
|
2045 |
|
2046 msg = _gabble_media_session_message_new (session, "content-add", |
|
2047 &session_node); |
|
2048 |
|
2049 _add_content_descriptions_one (session, stream, session_node); |
|
2050 |
|
2051 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle action \"content-add\" to peer for " |
|
2052 "stream %s", stream->name); |
|
2053 |
|
2054 _gabble_connection_send_with_reply (priv->conn, msg, |
|
2055 content_add_msg_reply_cb, G_OBJECT (stream), session, NULL); |
|
2056 |
|
2057 lm_message_unref (msg); |
|
2058 |
|
2059 /* mark stream as sent */ |
|
2060 g_object_set (stream, "signalling-state", STREAM_SIG_STATE_SENT, NULL); |
|
2061 } |
|
2062 |
|
2063 static void |
|
2064 stream_connection_state_changed_cb (GabbleMediaStream *stream, |
|
2065 GParamSpec *param, |
|
2066 GabbleMediaSession *session) |
|
2067 { |
|
2068 GabbleMediaSessionPrivate *priv; |
|
2069 |
|
2070 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2071 |
|
2072 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2073 |
|
2074 if (stream->connection_state != TP_MEDIA_STREAM_STATE_CONNECTED) |
|
2075 return; |
|
2076 |
|
2077 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream %s has gone connected", stream->name); |
|
2078 |
|
2079 if (stream->playing) |
|
2080 { |
|
2081 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "doing nothing, stream is already playing"); |
|
2082 return; |
|
2083 } |
|
2084 |
|
2085 /* after session is active, we do things per-stream with content-* actions */ |
|
2086 if (priv->state < JS_STATE_ACTIVE) |
|
2087 { |
|
2088 /* send a session accept if the session was initiated by the peer */ |
|
2089 if (session->initiator == INITIATOR_REMOTE) |
|
2090 { |
|
2091 try_session_accept (session); |
|
2092 } |
|
2093 else |
|
2094 { |
|
2095 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "session initiated by us, so we're not " |
|
2096 "going to consider sending an accept"); |
|
2097 } |
|
2098 } |
|
2099 else |
|
2100 { |
|
2101 /* send a content accept if the stream was added by the peer */ |
|
2102 if (stream->initiator == INITIATOR_REMOTE) |
|
2103 { |
|
2104 try_content_accept (session, stream); |
|
2105 } |
|
2106 else |
|
2107 { |
|
2108 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream added by us, so we're not going " |
|
2109 "to send an accept"); |
|
2110 } |
|
2111 } |
|
2112 } |
|
2113 |
|
2114 static void |
|
2115 stream_got_local_codecs_changed_cb (GabbleMediaStream *stream, |
|
2116 GParamSpec *param, |
|
2117 GabbleMediaSession *session) |
|
2118 { |
|
2119 GabbleMediaSessionPrivate *priv; |
|
2120 |
|
2121 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2122 |
|
2123 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2124 |
|
2125 if (!stream->got_local_codecs) |
|
2126 return; |
|
2127 |
|
2128 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream %s has got local codecs", stream->name); |
|
2129 |
|
2130 if (stream->playing) |
|
2131 { |
|
2132 _gabble_media_session_debug (session, DEBUG_MSG_ERROR, "stream was already playing and we got local " |
|
2133 "codecs. what?!"); |
|
2134 g_assert_not_reached (); |
|
2135 return; |
|
2136 } |
|
2137 |
|
2138 /* after session is active, we do things per-stream with content-* actions */ |
|
2139 if (priv->state < JS_STATE_ACTIVE) |
|
2140 { |
|
2141 if (session->initiator == INITIATOR_REMOTE) |
|
2142 { |
|
2143 if (priv->state < JS_STATE_PENDING_ACCEPT_SENT) |
|
2144 { |
|
2145 try_session_accept (session); |
|
2146 } |
|
2147 else |
|
2148 { |
|
2149 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream added after sending accept; " |
|
2150 "not doing content-add until remote end acknowledges"); |
|
2151 } |
|
2152 } |
|
2153 else |
|
2154 { |
|
2155 if (priv->state < JS_STATE_PENDING_INITIATE_SENT) |
|
2156 { |
|
2157 try_session_initiate (session); |
|
2158 } |
|
2159 else |
|
2160 { |
|
2161 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "stream added after sending initiate; " |
|
2162 "not doing content-add until remote end accepts"); |
|
2163 } |
|
2164 } |
|
2165 } |
|
2166 else |
|
2167 { |
|
2168 if (stream->initiator == INITIATOR_REMOTE) |
|
2169 { |
|
2170 try_content_accept (session, stream); |
|
2171 } |
|
2172 else |
|
2173 { |
|
2174 do_content_add (session, stream); |
|
2175 } |
|
2176 } |
|
2177 } |
|
2178 |
|
2179 static gchar * |
|
2180 get_jid_for_contact (GabbleMediaSession *session, |
|
2181 GabbleHandle handle) |
|
2182 { |
|
2183 GabbleMediaSessionPrivate *priv; |
|
2184 const gchar *base_jid; |
|
2185 GabbleHandle self; |
|
2186 |
|
2187 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2188 |
|
2189 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2190 self = priv->conn->self_handle; |
|
2191 |
|
2192 base_jid = gabble_handle_inspect (priv->conn->handles, |
|
2193 TP_HANDLE_TYPE_CONTACT, handle); |
|
2194 g_assert (base_jid != NULL); |
|
2195 |
|
2196 if (handle == self) |
|
2197 { |
|
2198 gchar *resource, *ret; |
|
2199 g_object_get (priv->conn, "resource", &resource, NULL); |
|
2200 g_assert (resource != NULL); |
|
2201 ret = g_strdup_printf ("%s/%s", base_jid, resource); |
|
2202 g_free (resource); |
|
2203 return ret; |
|
2204 } |
|
2205 else |
|
2206 { |
|
2207 g_assert (priv->peer_resource != NULL); |
|
2208 return g_strdup_printf ("%s/%s", base_jid, priv->peer_resource); |
|
2209 } |
|
2210 } |
|
2211 |
|
2212 LmMessage * |
|
2213 _gabble_media_session_message_new (GabbleMediaSession *session, |
|
2214 const gchar *action, |
|
2215 LmMessageNode **session_node) |
|
2216 { |
|
2217 GabbleMediaSessionPrivate *priv; |
|
2218 LmMessage *msg; |
|
2219 LmMessageNode *iq_node, *node; |
|
2220 gchar *peer_jid, *initiator_jid; |
|
2221 GabbleHandle initiator_handle; |
|
2222 const gchar *element, *xmlns; |
|
2223 |
|
2224 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2225 |
|
2226 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2227 |
|
2228 peer_jid = get_jid_for_contact (session, priv->peer); |
|
2229 |
|
2230 msg = lm_message_new_with_sub_type ( |
|
2231 peer_jid, |
|
2232 LM_MESSAGE_TYPE_IQ, |
|
2233 LM_MESSAGE_SUB_TYPE_SET); |
|
2234 |
|
2235 g_free (peer_jid); |
|
2236 |
|
2237 iq_node = lm_message_get_node (msg); |
|
2238 |
|
2239 if (priv->mode == MODE_GOOGLE) |
|
2240 element = "session"; |
|
2241 else |
|
2242 element = "jingle"; |
|
2243 |
|
2244 if (session->initiator == INITIATOR_LOCAL) |
|
2245 initiator_handle = priv->conn->self_handle; |
|
2246 else |
|
2247 initiator_handle = priv->peer; |
|
2248 |
|
2249 node = lm_message_node_add_child (iq_node, element, NULL); |
|
2250 initiator_jid = get_jid_for_contact (session, initiator_handle); |
|
2251 |
|
2252 lm_message_node_set_attributes (node, |
|
2253 (priv->mode == MODE_GOOGLE) ? "id" : "sid", priv->id, |
|
2254 (priv->mode == MODE_GOOGLE) ? "type" : "action", action, |
|
2255 "initiator", initiator_jid, |
|
2256 NULL); |
|
2257 |
|
2258 if (priv->mode == MODE_GOOGLE) |
|
2259 xmlns = NS_GOOGLE_SESSION; |
|
2260 else |
|
2261 xmlns = NS_JINGLE; |
|
2262 |
|
2263 lm_message_node_set_attribute (node, "xmlns", xmlns); |
|
2264 g_free (initiator_jid); |
|
2265 |
|
2266 if (session_node) |
|
2267 *session_node = node; |
|
2268 |
|
2269 return msg; |
|
2270 } |
|
2271 |
|
2272 void |
|
2273 _gabble_media_session_accept (GabbleMediaSession *session) |
|
2274 { |
|
2275 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2276 guint i; |
|
2277 |
|
2278 priv->locally_accepted = TRUE; |
|
2279 |
|
2280 /* accept any local pending sends */ |
|
2281 for (i = 0; i < priv->streams->len; i++) |
|
2282 { |
|
2283 GabbleMediaStream *stream = g_ptr_array_index (priv->streams, i); |
|
2284 CombinedStreamDirection combined_dir = stream->combined_direction; |
|
2285 TpMediaStreamDirection current_dir; |
|
2286 TpMediaStreamPendingSend pending_send; |
|
2287 |
|
2288 current_dir = COMBINED_DIRECTION_GET_DIRECTION (combined_dir); |
|
2289 pending_send = COMBINED_DIRECTION_GET_PENDING_SEND (combined_dir); |
|
2290 |
|
2291 if ((pending_send & TP_MEDIA_STREAM_PENDING_LOCAL_SEND) != 0) |
|
2292 { |
|
2293 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "accepting pending local send on stream %s", |
|
2294 stream->name); |
|
2295 |
|
2296 current_dir |= TP_MEDIA_STREAM_DIRECTION_SEND; |
|
2297 pending_send &= ~TP_MEDIA_STREAM_PENDING_LOCAL_SEND; |
|
2298 combined_dir = MAKE_COMBINED_DIRECTION (current_dir, pending_send); |
|
2299 g_object_set (stream, "combined-direction", combined_dir, NULL); |
|
2300 _gabble_media_stream_update_sending (stream, FALSE); |
|
2301 } |
|
2302 } |
|
2303 |
|
2304 try_session_accept (session); |
|
2305 } |
|
2306 |
|
2307 static LmHandlerResult |
|
2308 content_remove_msg_reply_cb (GabbleConnection *conn, |
|
2309 LmMessage *sent_msg, |
|
2310 LmMessage *reply_msg, |
|
2311 GObject *object, |
|
2312 gpointer user_data) |
|
2313 { |
|
2314 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (object); |
|
2315 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2316 GPtrArray *removing = (GPtrArray *) user_data; |
|
2317 guint i; |
|
2318 |
|
2319 MSG_REPLY_CB_END_SESSION_IF_NOT_SUCCESSFUL (session, "stream removal failed"); |
|
2320 |
|
2321 for (i = 0; i < removing->len; i++) |
|
2322 destroy_media_stream (session, |
|
2323 GABBLE_MEDIA_STREAM (g_ptr_array_index (removing, i))); |
|
2324 |
|
2325 g_ptr_array_remove_fast (priv->remove_requests, removing); |
|
2326 g_ptr_array_free (removing, TRUE); |
|
2327 |
|
2328 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
2329 } |
|
2330 |
|
2331 void |
|
2332 _gabble_media_session_remove_streams (GabbleMediaSession *session, |
|
2333 GabbleMediaStream **streams, |
|
2334 guint len) |
|
2335 { |
|
2336 GabbleMediaSessionPrivate *priv; |
|
2337 LmMessage *msg = NULL; |
|
2338 LmMessageNode *session_node; |
|
2339 GPtrArray *removing = NULL; |
|
2340 guint i; |
|
2341 |
|
2342 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2343 |
|
2344 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2345 |
|
2346 /* end the session if there'd be no streams left after reducing it */ |
|
2347 if (_count_non_removing_streams (session) == len) |
|
2348 { |
|
2349 _gabble_media_session_terminate (session, INITIATOR_LOCAL, |
|
2350 TP_CHANNEL_GROUP_CHANGE_REASON_NONE); |
|
2351 return; |
|
2352 } |
|
2353 |
|
2354 /* construct a remove message if we're in a state greater than CREATED (ie |
|
2355 * something has been sent/received about this session) */ |
|
2356 if (priv->state > JS_STATE_PENDING_CREATED) |
|
2357 { |
|
2358 msg = _gabble_media_session_message_new (session, "content-remove", |
|
2359 &session_node); |
|
2360 removing = g_ptr_array_sized_new (len); |
|
2361 } |
|
2362 |
|
2363 /* right, remove them */ |
|
2364 for (i = 0; i < len; i++) |
|
2365 { |
|
2366 GabbleMediaStream *stream = streams[i]; |
|
2367 |
|
2368 switch (stream->signalling_state) |
|
2369 { |
|
2370 case STREAM_SIG_STATE_NEW: |
|
2371 destroy_media_stream (session, stream); |
|
2372 break; |
|
2373 case STREAM_SIG_STATE_SENT: |
|
2374 case STREAM_SIG_STATE_ACKNOWLEDGED: |
|
2375 { |
|
2376 LmMessageNode *content_node; |
|
2377 |
|
2378 g_assert (msg != NULL); |
|
2379 g_assert (removing != NULL); |
|
2380 |
|
2381 content_node = _gabble_media_stream_add_content_node (stream, |
|
2382 session_node); |
|
2383 |
|
2384 g_object_set (stream, |
|
2385 "playing", FALSE, |
|
2386 "signalling-state", STREAM_SIG_STATE_REMOVING, |
|
2387 NULL); |
|
2388 |
|
2389 /* close the stream now, but don't forget about it until the |
|
2390 * removal message is acknowledged, since we need to be able to |
|
2391 * detect content-remove cross-talk */ |
|
2392 _gabble_media_stream_close (stream); |
|
2393 g_ptr_array_add (removing, stream); |
|
2394 } |
|
2395 break; |
|
2396 case STREAM_SIG_STATE_REMOVING: |
|
2397 break; |
|
2398 } |
|
2399 } |
|
2400 |
|
2401 /* send the remove message if necessary */ |
|
2402 if (msg != NULL) |
|
2403 { |
|
2404 if (removing->len > 0) |
|
2405 { |
|
2406 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle session action " |
|
2407 "\"content-remove\" to peer"); |
|
2408 |
|
2409 _gabble_connection_send_with_reply (priv->conn, msg, |
|
2410 content_remove_msg_reply_cb, G_OBJECT (session), removing, NULL); |
|
2411 |
|
2412 g_ptr_array_add (priv->remove_requests, removing); |
|
2413 } |
|
2414 else |
|
2415 { |
|
2416 g_ptr_array_free (removing, TRUE); |
|
2417 } |
|
2418 |
|
2419 lm_message_unref (msg); |
|
2420 } |
|
2421 else |
|
2422 { |
|
2423 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "not sending jingle session action " |
|
2424 "\"content-remove\" to peer, no initiates or adds sent for " |
|
2425 "these streams"); |
|
2426 } |
|
2427 } |
|
2428 |
|
2429 /* for when you want the reply to be removed from |
|
2430 * the handler chain, but don't care what it is */ |
|
2431 static LmHandlerResult |
|
2432 ignore_reply_cb (GabbleConnection *conn, |
|
2433 LmMessage *sent_msg, |
|
2434 LmMessage *reply_msg, |
|
2435 GObject *object, |
|
2436 gpointer user_data) |
|
2437 { |
|
2438 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
2439 } |
|
2440 |
|
2441 static void |
|
2442 send_reject_message (GabbleMediaSession *session) |
|
2443 { |
|
2444 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2445 LmMessage *msg; |
|
2446 LmMessageNode *session_node; |
|
2447 |
|
2448 /* this should only happen in google mode, and we should only arrive in that |
|
2449 * mode when we've ended up talking to a resource that doesn't support |
|
2450 * jingle */ |
|
2451 g_assert (priv->mode == MODE_GOOGLE); |
|
2452 g_assert (priv->peer_resource != NULL); |
|
2453 |
|
2454 /* construct a session terminate message */ |
|
2455 msg = _gabble_media_session_message_new (session, "reject", &session_node); |
|
2456 |
|
2457 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle session action \"reject\" to peer"); |
|
2458 |
|
2459 /* send it */ |
|
2460 _gabble_connection_send_with_reply (priv->conn, msg, ignore_reply_cb, |
|
2461 G_OBJECT (session), NULL, NULL); |
|
2462 |
|
2463 lm_message_unref (msg); |
|
2464 } |
|
2465 |
|
2466 static void |
|
2467 send_terminate_message (GabbleMediaSession *session) |
|
2468 { |
|
2469 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2470 const gchar *action; |
|
2471 LmMessage *msg; |
|
2472 LmMessageNode *session_node; |
|
2473 |
|
2474 /* construct a session terminate message */ |
|
2475 if (priv->mode == MODE_GOOGLE) |
|
2476 action = "terminate"; |
|
2477 else |
|
2478 action = "session-terminate"; |
|
2479 |
|
2480 msg = _gabble_media_session_message_new (session, action, &session_node); |
|
2481 |
|
2482 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle session action \"%s\" to peer", |
|
2483 action); |
|
2484 |
|
2485 /* send it */ |
|
2486 _gabble_connection_send_with_reply (priv->conn, msg, ignore_reply_cb, |
|
2487 G_OBJECT (session), NULL, NULL); |
|
2488 |
|
2489 lm_message_unref (msg); |
|
2490 } |
|
2491 |
|
2492 void |
|
2493 _gabble_media_session_terminate (GabbleMediaSession *session, |
|
2494 JingleInitiator who, |
|
2495 TpChannelGroupChangeReason why) |
|
2496 { |
|
2497 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2498 GabbleHandle actor; |
|
2499 |
|
2500 if (priv->state == JS_STATE_ENDED) |
|
2501 return; |
|
2502 |
|
2503 if (who == INITIATOR_REMOTE) |
|
2504 { |
|
2505 actor = priv->peer; |
|
2506 } |
|
2507 else |
|
2508 { |
|
2509 actor = priv->conn->self_handle; |
|
2510 |
|
2511 /* Need to tell them that it's all over. */ |
|
2512 |
|
2513 /* Jingle doesn't have a "reject" action; a termination before an |
|
2514 * acceptance indicates that the call has been declined */ |
|
2515 |
|
2516 if (session->initiator == INITIATOR_REMOTE && |
|
2517 priv->state == JS_STATE_PENDING_INITIATED && |
|
2518 priv->mode == MODE_GOOGLE) |
|
2519 { |
|
2520 send_reject_message (session); |
|
2521 } |
|
2522 |
|
2523 /* if we're still in CREATED, then we've not sent or received any |
|
2524 * messages about this session yet, so no terminate is necessary */ |
|
2525 else if (priv->state > JS_STATE_PENDING_CREATED) |
|
2526 { |
|
2527 send_terminate_message (session); |
|
2528 } |
|
2529 |
|
2530 while (priv->streams->len > 0) |
|
2531 destroy_media_stream (session, g_ptr_array_index (priv->streams, 0)); |
|
2532 } |
|
2533 |
|
2534 priv->terminated = TRUE; |
|
2535 g_object_set (session, "state", JS_STATE_ENDED, NULL); |
|
2536 g_signal_emit (session, signals[TERMINATED], 0, actor, why); |
|
2537 } |
|
2538 |
|
2539 #if _GMS_DEBUG_LEVEL |
|
2540 void |
|
2541 _gabble_media_session_debug (GabbleMediaSession *session, |
|
2542 DebugMessageType type, |
|
2543 const gchar *format, ...) |
|
2544 { |
|
2545 if (DEBUGGING) |
|
2546 { |
|
2547 va_list list; |
|
2548 gchar buf[512]; |
|
2549 GabbleMediaSessionPrivate *priv; |
|
2550 time_t curtime; |
|
2551 struct tm *loctime; |
|
2552 gchar stamp[10]; |
|
2553 const gchar *type_str; |
|
2554 |
|
2555 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2556 |
|
2557 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2558 |
|
2559 curtime = time (NULL); |
|
2560 loctime = localtime (&curtime); |
|
2561 |
|
2562 strftime (stamp, sizeof (stamp), "%T", loctime); |
|
2563 |
|
2564 va_start (list, format); |
|
2565 |
|
2566 vsnprintf (buf, sizeof (buf), format, list); |
|
2567 |
|
2568 va_end (list); |
|
2569 |
|
2570 switch (type) { |
|
2571 case DEBUG_MSG_INFO: |
|
2572 type_str = ANSI_BOLD_ON ANSI_FG_WHITE; |
|
2573 break; |
|
2574 case DEBUG_MSG_DUMP: |
|
2575 type_str = ANSI_BOLD_ON ANSI_FG_GREEN; |
|
2576 break; |
|
2577 case DEBUG_MSG_WARNING: |
|
2578 type_str = ANSI_BOLD_ON ANSI_FG_YELLOW; |
|
2579 break; |
|
2580 case DEBUG_MSG_ERROR: |
|
2581 type_str = ANSI_BOLD_ON ANSI_FG_WHITE ANSI_BG_RED; |
|
2582 break; |
|
2583 case DEBUG_MSG_EVENT: |
|
2584 type_str = ANSI_BOLD_ON ANSI_FG_CYAN; |
|
2585 break; |
|
2586 default: |
|
2587 g_assert_not_reached (); |
|
2588 return; |
|
2589 } |
|
2590 |
|
2591 g_message ("[%s%s%s] %s%-26s%s %s%s%s\n", |
|
2592 ANSI_BOLD_ON ANSI_FG_WHITE, |
|
2593 stamp, |
|
2594 ANSI_RESET, |
|
2595 session_states[priv->state].attributes, |
|
2596 session_states[priv->state].name, |
|
2597 ANSI_RESET, |
|
2598 type_str, |
|
2599 buf, |
|
2600 ANSI_RESET); |
|
2601 |
|
2602 fflush (stdout); |
|
2603 } |
|
2604 } |
|
2605 |
|
2606 #endif /* _GMS_DEBUG_LEVEL */ |
|
2607 |
|
2608 static const gchar * |
|
2609 _name_stream (GabbleMediaSession *session, |
|
2610 TpMediaStreamType media_type) |
|
2611 { |
|
2612 GabbleMediaSessionPrivate *priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2613 |
|
2614 #ifndef EMULATOR |
|
2615 static gchar ret_sess[MAX_STREAM_NAME_LEN] = GTALK_STREAM_NAME; |
|
2616 #endif |
|
2617 |
|
2618 if (priv->mode != MODE_GOOGLE) |
|
2619 { |
|
2620 guint i = 1; |
|
2621 |
|
2622 do { |
|
2623 g_snprintf (ret_sess, MAX_STREAM_NAME_LEN, "%s%u", |
|
2624 media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video", |
|
2625 i++); |
|
2626 |
|
2627 /* even though we now have seperate namespaces for local and remote, |
|
2628 * actually check in both so that we can still support clients which |
|
2629 * have 1 namespace (such as our older selves :D) */ |
|
2630 if (_lookup_stream_by_name_and_initiator (session, ret_sess, |
|
2631 INITIATOR_INVALID) != NULL) |
|
2632 { |
|
2633 ret_sess[0] = '\0'; |
|
2634 } |
|
2635 } while (ret_sess[0] == '\0'); |
|
2636 } |
|
2637 |
|
2638 return ret_sess; |
|
2639 } |
|
2640 |
|
2641 |
|
2642 gboolean |
|
2643 _gabble_media_session_request_streams (GabbleMediaSession *session, |
|
2644 const GArray *media_types, |
|
2645 GPtrArray **ret, |
|
2646 GError **error) |
|
2647 { |
|
2648 |
|
2649 #ifndef EMULATOR |
|
2650 static GabblePresenceCapabilities google_audio_caps = |
|
2651 PRESENCE_CAP_GOOGLE_VOICE; |
|
2652 static GabblePresenceCapabilities jingle_audio_caps = |
|
2653 PRESENCE_CAP_JINGLE | PRESENCE_CAP_JINGLE_DESCRIPTION_AUDIO | |
|
2654 PRESENCE_CAP_GOOGLE_TRANSPORT_P2P; |
|
2655 static GabblePresenceCapabilities jingle_video_caps = |
|
2656 PRESENCE_CAP_JINGLE | PRESENCE_CAP_JINGLE_DESCRIPTION_VIDEO | |
|
2657 PRESENCE_CAP_GOOGLE_TRANSPORT_P2P; |
|
2658 #endif |
|
2659 |
|
2660 GabbleMediaSessionPrivate *priv; |
|
2661 GabblePresence *presence; |
|
2662 gboolean want_audio, want_video; |
|
2663 GabblePresenceCapabilities jingle_desired_caps; |
|
2664 guint idx; |
|
2665 gchar *dump; |
|
2666 |
|
2667 g_assert (GABBLE_IS_MEDIA_SESSION (session)); |
|
2668 |
|
2669 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2670 |
|
2671 presence = gabble_presence_cache_get (priv->conn->presence_cache, |
|
2672 priv->peer); |
|
2673 |
|
2674 if (presence == NULL) |
|
2675 { |
|
2676 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2677 "member has no audio/video capabilities"); |
|
2678 |
|
2679 return FALSE; |
|
2680 } |
|
2681 |
|
2682 dump = gabble_presence_dump (presence); |
|
2683 _gabble_media_session_debug (session, DEBUG_MSG_DUMP, "presence for peer %d:\n%s", priv->peer, dump); |
|
2684 g_free (dump); |
|
2685 |
|
2686 want_audio = want_video = FALSE; |
|
2687 |
|
2688 for (idx = 0; idx < media_types->len; idx++) |
|
2689 { |
|
2690 guint media_type = g_array_index (media_types, guint, idx); |
|
2691 |
|
2692 if (media_type == TP_MEDIA_STREAM_TYPE_AUDIO) |
|
2693 { |
|
2694 want_audio = TRUE; |
|
2695 } |
|
2696 else if (media_type == TP_MEDIA_STREAM_TYPE_VIDEO) |
|
2697 { |
|
2698 want_video = TRUE; |
|
2699 } |
|
2700 else |
|
2701 { |
|
2702 g_set_error (error, TELEPATHY_ERRORS, InvalidArgument, |
|
2703 "given media type %u is invalid", media_type); |
|
2704 return FALSE; |
|
2705 } |
|
2706 } |
|
2707 |
|
2708 /* work out what we'd need to do these streams with jingle */ |
|
2709 jingle_desired_caps = 0; |
|
2710 |
|
2711 if (want_audio) |
|
2712 jingle_desired_caps |= jingle_audio_caps; |
|
2713 |
|
2714 if (want_video) |
|
2715 jingle_desired_caps |= jingle_video_caps; |
|
2716 |
|
2717 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "want audio: %s; want video: %s", |
|
2718 want_audio ? "yes" : "no", want_video ? "yes" : "no"); |
|
2719 |
|
2720 /* existing call; the recipient and the mode has already been decided */ |
|
2721 if (priv->peer_resource) |
|
2722 { |
|
2723 /* is a google call... we have no other option */ |
|
2724 if (priv->mode == MODE_GOOGLE) |
|
2725 { |
|
2726 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "already in Google mode; can't add new " |
|
2727 "stream"); |
|
2728 |
|
2729 g_assert (priv->streams->len == 1); |
|
2730 |
|
2731 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2732 "Google Talk calls may only contain one stream"); |
|
2733 |
|
2734 return FALSE; |
|
2735 } |
|
2736 |
|
2737 if (!gabble_presence_resource_has_caps (presence, priv->peer_resource, |
|
2738 jingle_desired_caps)) |
|
2739 { |
|
2740 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
2741 "in Jingle mode but have insufficient caps for requested streams"); |
|
2742 |
|
2743 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2744 "existing call member doesn't support all requested media" |
|
2745 " types"); |
|
2746 |
|
2747 return FALSE; |
|
2748 } |
|
2749 |
|
2750 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
2751 "in Jingle mode, and have necessary caps"); |
|
2752 } |
|
2753 |
|
2754 /* no existing call; we should choose a recipient and a mode */ |
|
2755 else |
|
2756 { |
|
2757 const gchar *resource; |
|
2758 |
|
2759 g_assert (priv->streams->len == 0); |
|
2760 |
|
2761 /* see if we have a fully-capable jingle resource; regardless of the |
|
2762 * desired media type it's best if we can add/remove the others later */ |
|
2763 resource = gabble_presence_pick_resource_by_caps (presence, |
|
2764 jingle_audio_caps | jingle_video_caps); |
|
2765 |
|
2766 if (resource == NULL) |
|
2767 { |
|
2768 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "contact is not fully jingle-capable"); |
|
2769 |
|
2770 /* ok, no problem. see if we can do just what's wanted with jingle */ |
|
2771 resource = gabble_presence_pick_resource_by_caps (presence, |
|
2772 jingle_desired_caps); |
|
2773 |
|
2774 if (resource == NULL && want_audio && !want_video) |
|
2775 { |
|
2776 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
2777 "contact doesn't have desired Jingle capabilities"); |
|
2778 |
|
2779 /* last ditch... if we want only audio and not video, we can make |
|
2780 * do with google talk */ |
|
2781 resource = gabble_presence_pick_resource_by_caps (presence, |
|
2782 google_audio_caps); |
|
2783 |
|
2784 if (resource != NULL) |
|
2785 { |
|
2786 /* only one stream possible with google */ |
|
2787 if (media_types->len == 1) |
|
2788 { |
|
2789 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
2790 "contact has no Jingle capabilities; " |
|
2791 "falling back to Google audio call"); |
|
2792 priv->mode = MODE_GOOGLE; |
|
2793 } |
|
2794 else |
|
2795 { |
|
2796 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2797 "Google Talk calls may only contain one stream"); |
|
2798 |
|
2799 return FALSE; |
|
2800 } |
|
2801 } |
|
2802 else |
|
2803 { |
|
2804 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
2805 "contact doesn't have desired Google capabilities"); |
|
2806 } |
|
2807 } |
|
2808 } |
|
2809 |
|
2810 if (resource == NULL) |
|
2811 { |
|
2812 _gabble_media_session_debug (session, DEBUG_MSG_INFO, |
|
2813 "contact doesn't have a resource with suitable capabilities"); |
|
2814 |
|
2815 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2816 "member does not have the desired audio/video capabilities"); |
|
2817 |
|
2818 return FALSE; |
|
2819 } |
|
2820 |
|
2821 priv->peer_resource = g_strdup (resource); |
|
2822 } |
|
2823 |
|
2824 /* check it's not a ridiculous number of streams */ |
|
2825 if ((priv->streams->len + media_types->len) > MAX_STREAMS) |
|
2826 { |
|
2827 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2828 "I think that's quite enough streams already"); |
|
2829 return FALSE; |
|
2830 } |
|
2831 |
|
2832 /* if we've got here, we're good to make the streams */ |
|
2833 |
|
2834 *ret = g_ptr_array_sized_new (media_types->len); |
|
2835 |
|
2836 for (idx = 0; idx < media_types->len; idx++) |
|
2837 { |
|
2838 guint media_type = g_array_index (media_types, guint, idx); |
|
2839 GabbleMediaStream *stream; |
|
2840 const gchar *stream_name; |
|
2841 |
|
2842 if (priv->mode == MODE_GOOGLE) |
|
2843 stream_name = GTALK_STREAM_NAME; |
|
2844 else |
|
2845 stream_name = _name_stream (session, media_type); |
|
2846 |
|
2847 stream = create_media_stream (session, stream_name, INITIATOR_LOCAL, |
|
2848 media_type); |
|
2849 |
|
2850 g_ptr_array_add (*ret, stream); |
|
2851 } |
|
2852 |
|
2853 return TRUE; |
|
2854 } |
|
2855 |
|
2856 static const gchar * |
|
2857 _direction_to_senders (GabbleMediaSession *session, |
|
2858 TpMediaStreamDirection dir) |
|
2859 { |
|
2860 const gchar *ret = NULL; |
|
2861 |
|
2862 switch (dir) |
|
2863 { |
|
2864 case TP_MEDIA_STREAM_DIRECTION_NONE: |
|
2865 g_assert_not_reached (); |
|
2866 break; |
|
2867 case TP_MEDIA_STREAM_DIRECTION_SEND: |
|
2868 if (session->initiator == INITIATOR_LOCAL) |
|
2869 ret = "initiator"; |
|
2870 else |
|
2871 ret = "responder"; |
|
2872 break; |
|
2873 case TP_MEDIA_STREAM_DIRECTION_RECEIVE: |
|
2874 if (session->initiator == INITIATOR_REMOTE) |
|
2875 ret = "initiator"; |
|
2876 else |
|
2877 ret = "responder"; |
|
2878 break; |
|
2879 case TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL: |
|
2880 ret = "both"; |
|
2881 break; |
|
2882 } |
|
2883 |
|
2884 g_assert (ret != NULL); |
|
2885 |
|
2886 return ret; |
|
2887 } |
|
2888 |
|
2889 static LmHandlerResult |
|
2890 direction_msg_reply_cb (GabbleConnection *conn, |
|
2891 LmMessage *sent_msg, |
|
2892 LmMessage *reply_msg, |
|
2893 GObject *object, |
|
2894 gpointer user_data) |
|
2895 { |
|
2896 GabbleMediaSession *session = GABBLE_MEDIA_SESSION (user_data); |
|
2897 GabbleMediaStream *stream = GABBLE_MEDIA_STREAM (object); |
|
2898 |
|
2899 MSG_REPLY_CB_END_SESSION_IF_NOT_SUCCESSFUL (session, "direction change failed"); |
|
2900 |
|
2901 if (stream->playing) |
|
2902 { |
|
2903 _gabble_media_stream_update_sending (stream, TRUE); |
|
2904 } |
|
2905 |
|
2906 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
2907 } |
|
2908 |
|
2909 static gboolean |
|
2910 send_direction_change (GabbleMediaSession *session, |
|
2911 GabbleMediaStream *stream, |
|
2912 TpMediaStreamDirection dir, |
|
2913 GError **error) |
|
2914 { |
|
2915 GabbleMediaSessionPrivate *priv; |
|
2916 const gchar *senders; |
|
2917 LmMessage *msg; |
|
2918 LmMessageNode *session_node, *content_node; |
|
2919 gboolean ret; |
|
2920 |
|
2921 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2922 senders = _direction_to_senders (session, dir); |
|
2923 |
|
2924 if (stream->signalling_state == STREAM_SIG_STATE_NEW || |
|
2925 stream->signalling_state == STREAM_SIG_STATE_REMOVING) |
|
2926 { |
|
2927 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "not sending content-modify for %s stream %s", |
|
2928 stream->signalling_state == STREAM_SIG_STATE_NEW ? "new" : "removing", |
|
2929 stream->name); |
|
2930 return TRUE; |
|
2931 } |
|
2932 |
|
2933 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "sending jingle session action \"content-modify\" " |
|
2934 "to peer for stream %s (senders=%s)", stream->name, senders); |
|
2935 |
|
2936 msg = _gabble_media_session_message_new (session, "content-modify", |
|
2937 &session_node); |
|
2938 content_node = _gabble_media_stream_add_content_node (stream, session_node); |
|
2939 |
|
2940 lm_message_node_set_attribute (content_node, "senders", senders); |
|
2941 |
|
2942 ret = _gabble_connection_send_with_reply (priv->conn, msg, |
|
2943 direction_msg_reply_cb, G_OBJECT (stream), session, error); |
|
2944 |
|
2945 lm_message_unref (msg); |
|
2946 |
|
2947 return ret; |
|
2948 } |
|
2949 |
|
2950 gboolean |
|
2951 _gabble_media_session_request_stream_direction (GabbleMediaSession *session, |
|
2952 GabbleMediaStream *stream, |
|
2953 TpMediaStreamDirection requested_dir, |
|
2954 GError **error) |
|
2955 { |
|
2956 GabbleMediaSessionPrivate *priv; |
|
2957 CombinedStreamDirection new_combined_dir; |
|
2958 TpMediaStreamDirection current_dir; //, new_dir; |
|
2959 TpMediaStreamPendingSend pending_send; |
|
2960 |
|
2961 priv = GABBLE_MEDIA_SESSION_GET_PRIVATE (session); |
|
2962 |
|
2963 current_dir = COMBINED_DIRECTION_GET_DIRECTION (stream->combined_direction); |
|
2964 pending_send = COMBINED_DIRECTION_GET_PENDING_SEND |
|
2965 (stream->combined_direction); |
|
2966 |
|
2967 if (priv->mode == MODE_GOOGLE) |
|
2968 { |
|
2969 g_assert (current_dir == TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL); |
|
2970 |
|
2971 if (requested_dir == TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL) |
|
2972 return TRUE; |
|
2973 |
|
2974 g_set_error (error, TELEPATHY_ERRORS, NotAvailable, |
|
2975 "Google Talk calls can only be bi-directional"); |
|
2976 return FALSE; |
|
2977 } |
|
2978 |
|
2979 if (requested_dir == TP_MEDIA_STREAM_DIRECTION_NONE) |
|
2980 { |
|
2981 _gabble_media_session_debug (session, DEBUG_MSG_INFO, "request for NONE direction; removing stream"); |
|
2982 |
|
2983 _gabble_media_session_remove_streams (session, &stream, 1); |
|
2984 |
|
2985 return TRUE; |
|
2986 } |
|
2987 |
|
2988 /* if we're awaiting a local decision on sending... */ |
|
2989 if ((pending_send & TP_MEDIA_STREAM_PENDING_LOCAL_SEND) != 0) |
|
2990 { |
|
2991 /* clear the flag */ |
|
2992 pending_send &= ~TP_MEDIA_STREAM_PENDING_LOCAL_SEND; |
|
2993 |
|
2994 /* make our current_dir match what other end thinks (he thinks we're |
|
2995 * bidirectional) so that we send the correct transitions */ |
|
2996 current_dir ^= TP_MEDIA_STREAM_DIRECTION_SEND; |
|
2997 } |
|
2998 |
|
2999 #if 0 |
|
3000 /* if we're asking the remote end to start sending, set the pending flag and |
|
3001 * don't change our directionality just yet */ |
|
3002 new_dir = requested_dir; |
|
3003 if (((current_dir & TP_MEDIA_STREAM_DIRECTION_RECEIVE) == 0) && |
|
3004 ((new_dir & TP_MEDIA_STREAM_DIRECTION_RECEIVE) != 0)) |
|
3005 { |
|
3006 pending_send ^= TP_MEDIA_STREAM_PENDING_REMOTE_SEND; |
|
3007 new_dir &= ~TP_MEDIA_STREAM_DIRECTION_RECEIVE; |
|
3008 } |
|
3009 #endif |
|
3010 |
|
3011 /* make any necessary changes */ |
|
3012 new_combined_dir = MAKE_COMBINED_DIRECTION (requested_dir, pending_send); |
|
3013 if (new_combined_dir != stream->combined_direction) |
|
3014 { |
|
3015 g_object_set (stream, "combined-direction", new_combined_dir, NULL); |
|
3016 _gabble_media_stream_update_sending (stream, FALSE); |
|
3017 } |
|
3018 |
|
3019 /* short-circuit sending a request if we're not asking for anything new */ |
|
3020 if (current_dir == requested_dir) |
|
3021 return TRUE; |
|
3022 |
|
3023 /* send request */ |
|
3024 return send_direction_change (session, stream, requested_dir, error); |
|
3025 } |
|
3026 |
|