/* * media-factory.c - Source for GabbleMediaFactory * Copyright (C) 2006 Collabora Ltd. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include "media-factory.h" #include #include #include #include #include #include #include #define DEBUG_FLAG GABBLE_DEBUG_MEDIA #include "gabble/caps-channel-manager.h" #include "connection.h" #include "debug.h" #include "call-channel.h" #include "media-channel.h" #include "namespaces.h" #include "util.h" typedef struct { GabbleMediaFactory *self; TpExportableChannel *channel; GSList *request_tokens; } MediaChannelRequest; static MediaChannelRequest * media_channel_request_new (GabbleMediaFactory *self, TpExportableChannel *channel, gpointer request_token) { MediaChannelRequest *mcr = g_slice_new0 (MediaChannelRequest); mcr->self = self; mcr->channel = g_object_ref (channel); if (request_token != NULL) mcr->request_tokens = g_slist_prepend (mcr->request_tokens, request_token); return mcr; } static void media_channel_request_free (MediaChannelRequest *mcr) { g_object_unref (mcr->channel); g_slist_free (mcr->request_tokens); g_slice_free (MediaChannelRequest, mcr); } static void media_channel_request_succeeded_cb (MediaChannelRequest *mcr, GPtrArray *streams) { tp_channel_manager_emit_new_channel (mcr->self, mcr->channel, mcr->request_tokens); media_channel_request_free (mcr); } static void media_channel_request_failed_cb (MediaChannelRequest *mcr, GError *error) { GSList *l; for (l = mcr->request_tokens; l != NULL; l = g_slist_next (l)) tp_channel_manager_emit_request_failed (mcr->self, l->data, error->domain, error->code, error->message); media_channel_request_free (mcr); } static void channel_manager_iface_init (gpointer, gpointer); static void caps_channel_manager_iface_init (gpointer, gpointer); G_DEFINE_TYPE_WITH_CODE (GabbleMediaFactory, gabble_media_factory, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (TP_TYPE_CHANNEL_MANAGER, channel_manager_iface_init); G_IMPLEMENT_INTERFACE (GABBLE_TYPE_CAPS_CHANNEL_MANAGER, caps_channel_manager_iface_init)); /* properties */ enum { PROP_CONNECTION = 1, LAST_PROPERTY }; struct _GabbleMediaFactoryPrivate { GabbleConnection *conn; gulong status_changed_id; GList *media_channels; GList *call_channels; GList *pending_call_channels; guint channel_index; /* Whether or not we should use call channels for incoming calls */ gboolean use_call_channels; gboolean dispose_has_run; }; static void gabble_media_factory_init (GabbleMediaFactory *fac) { GabbleMediaFactoryPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (fac, GABBLE_TYPE_MEDIA_FACTORY, GabbleMediaFactoryPrivate); fac->priv = priv; priv->channel_index = 0; priv->conn = NULL; priv->dispose_has_run = FALSE; } static void gabble_media_factory_close_all (GabbleMediaFactory *fac); static void gabble_media_factory_dispose (GObject *object) { GabbleMediaFactory *fac = GABBLE_MEDIA_FACTORY (object); GabbleMediaFactoryPrivate *priv = fac->priv; if (priv->dispose_has_run) return; DEBUG ("dispose called"); priv->dispose_has_run = TRUE; gabble_media_factory_close_all (fac); g_assert (priv->media_channels == NULL); g_assert (priv->call_channels == NULL); if (G_OBJECT_CLASS (gabble_media_factory_parent_class)->dispose) G_OBJECT_CLASS (gabble_media_factory_parent_class)->dispose (object); } static void gabble_media_factory_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { GabbleMediaFactory *fac = GABBLE_MEDIA_FACTORY (object); GabbleMediaFactoryPrivate *priv = fac->priv; switch (property_id) { case PROP_CONNECTION: g_value_set_object (value, priv->conn); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void gabble_media_factory_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { GabbleMediaFactory *fac = GABBLE_MEDIA_FACTORY (object); GabbleMediaFactoryPrivate *priv = fac->priv; switch (property_id) { case PROP_CONNECTION: priv->conn = g_value_get_object (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void gabble_media_factory_constructed (GObject *object); static void gabble_media_factory_class_init (GabbleMediaFactoryClass *gabble_media_factory_class) { GObjectClass *object_class = G_OBJECT_CLASS (gabble_media_factory_class); GParamSpec *param_spec; g_type_class_add_private (gabble_media_factory_class, sizeof (GabbleMediaFactoryPrivate)); object_class->constructed = gabble_media_factory_constructed; object_class->dispose = gabble_media_factory_dispose; object_class->get_property = gabble_media_factory_get_property; object_class->set_property = gabble_media_factory_set_property; param_spec = g_param_spec_object ("connection", "GabbleConnection object", "Gabble connection object that owns this media channel manager object.", GABBLE_TYPE_CONNECTION, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_CONNECTION, param_spec); } /** * media_channel_closed_cb: * * Signal callback for when a media channel is closed. Removes the references * that #GabbleMediaFactory holds to them. */ static void media_channel_closed_cb (GabbleMediaChannel *chan, gpointer user_data) { GabbleMediaFactory *fac = GABBLE_MEDIA_FACTORY (user_data); GabbleMediaFactoryPrivate *priv = fac->priv; tp_channel_manager_emit_channel_closed_for_object (fac, TP_EXPORTABLE_CHANNEL (chan)); DEBUG ("removing media channel %p with ref count %d", chan, G_OBJECT (chan)->ref_count); priv->media_channels = g_list_remove (priv->media_channels, chan); g_object_unref (chan); } /** * new_media_channel * * Creates a new empty GabbleMediaChannel. */ static GabbleMediaChannel * new_media_channel (GabbleMediaFactory *fac, WockyJingleSession *sess, TpHandle maybe_peer, gboolean peer_in_rp, gboolean initial_audio, gboolean initial_video) { GabbleMediaFactoryPrivate *priv; TpBaseConnection *conn; GabbleMediaChannel *chan; gchar *object_path; g_assert (GABBLE_IS_MEDIA_FACTORY (fac)); priv = fac->priv; conn = (TpBaseConnection *) priv->conn; object_path = g_strdup_printf ("%s/MediaChannel%u", tp_base_connection_get_object_path (conn), priv->channel_index); priv->channel_index += 1; chan = g_object_new (GABBLE_TYPE_MEDIA_CHANNEL, "connection", priv->conn, "object-path", object_path, "session", sess, "initial-peer", maybe_peer, "peer-in-rp", peer_in_rp, "initial-audio", initial_audio, "initial-video", initial_video, NULL); DEBUG ("object path %s", object_path); g_signal_connect (chan, "closed", (GCallback) media_channel_closed_cb, fac); priv->media_channels = g_list_prepend (priv->media_channels, chan); g_free (object_path); return chan; } static void call_channel_closed_cb (GabbleCallChannel *chan, gpointer user_data) { GabbleMediaFactory *fac = GABBLE_MEDIA_FACTORY (user_data); GabbleMediaFactoryPrivate *priv = fac->priv; tp_channel_manager_emit_channel_closed_for_object (fac, TP_EXPORTABLE_CHANNEL (chan)); DEBUG ("removing media channel %p with ref count %d", chan, G_OBJECT (chan)->ref_count); priv->call_channels = g_list_remove (priv->call_channels, chan); g_object_unref (chan); } static void call_channel_initialized (GObject *source, GAsyncResult *res, gpointer user_data) { MediaChannelRequest *mcr = user_data; GabbleMediaFactoryPrivate *priv = mcr->self->priv; GError *error = NULL; priv->pending_call_channels = g_list_remove (priv->pending_call_channels, mcr); if (g_async_initable_init_finish (G_ASYNC_INITABLE (source), res, &error)) { priv->call_channels = g_list_prepend (priv->call_channels, g_object_ref (mcr->channel)); tp_channel_manager_emit_new_channel (mcr->self, mcr->channel, mcr->request_tokens); g_signal_connect (mcr->channel, "closed", G_CALLBACK (call_channel_closed_cb), mcr->self); } else { GSList *l; for (l = mcr->request_tokens; l != NULL; l = g_slist_next (l)) tp_channel_manager_emit_request_failed (mcr->self, l->data, error->domain, error->code, error->message); } media_channel_request_free (mcr); } /** * new_call_channel * * Creates and triggers initialisation of a new empty GabbleCallChannel. */ static void new_call_channel (GabbleMediaFactory *self, WockyJingleSession *sess, TpHandle peer, gboolean initial_audio, const gchar *initial_audio_name, gboolean initial_video, const gchar *initial_video_name, gpointer request_token) { GabbleCallChannel *channel; MediaChannelRequest *mcr; gchar *object_path; TpBaseConnection *conn = TP_BASE_CONNECTION (self->priv->conn); TpHandle initiator; if (sess != NULL) initiator = peer; else initiator = tp_base_connection_get_self_handle (conn); object_path = g_strdup_printf ("%s/CallChannel%u", tp_base_connection_get_object_path (conn), self->priv->channel_index); self->priv->channel_index++; channel = g_object_new (GABBLE_TYPE_CALL_CHANNEL, "connection", conn, "object-path", object_path, "session", sess, "handle", peer, "initial-audio", initial_audio, "initial-audio-name", initial_audio_name != NULL ? initial_audio_name : "audio", "initial-video", initial_video, "initial-video-name", initial_video_name != NULL ? initial_video_name : "video", "requested", request_token != NULL, "initiator-handle", initiator, "mutable-contents", TRUE, NULL); g_free (object_path); mcr = media_channel_request_new (self, TP_EXPORTABLE_CHANNEL (channel), request_token); g_async_initable_init_async (G_ASYNC_INITABLE (channel), G_PRIORITY_DEFAULT, NULL, /* FIXME support cancelling the channel creation */ call_channel_initialized, mcr); self->priv->pending_call_channels = g_list_prepend (self->priv->pending_call_channels, mcr); g_object_unref (channel); } static void gabble_media_factory_close_all (GabbleMediaFactory *fac) { GabbleMediaFactoryPrivate *priv = fac->priv; DEBUG ("closing channels"); /* Close will cause the channel to be removed from the list indirectly..*/ while (priv->media_channels != NULL) gabble_media_channel_close ( GABBLE_MEDIA_CHANNEL (priv->media_channels->data)); /* Close will cause the channel to be removed from the list indirectly..*/ while (priv->call_channels != NULL) tp_base_channel_close (TP_BASE_CHANNEL (priv->call_channels->data)); if (priv->status_changed_id != 0) { g_signal_handler_disconnect (priv->conn, priv->status_changed_id); priv->status_changed_id = 0; } } static void new_jingle_session_cb (GabbleJingleMint *jm, WockyJingleSession *sess, gpointer data) { GabbleMediaFactory *self = GABBLE_MEDIA_FACTORY (data); GabbleMediaFactoryPrivate *priv = self->priv; TpHandleRepoIface *contacts; TpHandle peer; if (wocky_jingle_session_get_content_type (sess) != WOCKY_TYPE_JINGLE_MEDIA_RTP) return; if (gabble_muc_factory_handle_jingle_session (priv->conn->muc_factory, sess)) { /* Muji channel the muc factory is taking care of it */ return; } contacts = tp_base_connection_get_handles (TP_BASE_CONNECTION (priv->conn), TP_HANDLE_TYPE_CONTACT); peer = tp_handle_ensure (contacts, wocky_jingle_session_get_peer_jid (sess), NULL, NULL); if (self->priv->use_call_channels) { new_call_channel (self, sess, peer, FALSE, NULL, FALSE, NULL, NULL); } else { GabbleMediaChannel *chan = new_media_channel (self, sess, peer, FALSE, FALSE, FALSE); GList *cs; /* FIXME: we need this detection to properly adjust nat-traversal on * the channel. We hope all contents will have the same transport... */ cs = wocky_jingle_session_get_contents (sess); if (cs != NULL) { WockyJingleContent *c = cs->data; gchar *ns; g_object_get (c, "transport-ns", &ns, NULL); if (!tp_strdiff (ns, NS_JINGLE_TRANSPORT_ICEUDP)) g_object_set (chan, "nat-traversal", "ice-udp", NULL); else if (!tp_strdiff (ns, NS_JINGLE_TRANSPORT_RAWUDP)) g_object_set (chan, "nat-traversal", "none", NULL); g_free (ns); g_list_free (cs); } tp_channel_manager_emit_new_channel (self, TP_EXPORTABLE_CHANNEL (chan), NULL); } } static void connection_status_changed_cb (GabbleConnection *conn, guint status, guint reason, GabbleMediaFactory *self) { GabbleMediaFactoryPrivate *priv = self->priv; switch (status) { case TP_CONNECTION_STATUS_CONNECTING: g_signal_connect (priv->conn->jingle_mint, "incoming-session", G_CALLBACK (new_jingle_session_cb), self); break; case TP_CONNECTION_STATUS_DISCONNECTED: gabble_media_factory_close_all (self); break; } } static void gabble_media_factory_constructed (GObject *object) { void (*chain_up) (GObject *) = G_OBJECT_CLASS (gabble_media_factory_parent_class)->constructed; GabbleMediaFactory *self = GABBLE_MEDIA_FACTORY (object); GabbleMediaFactoryPrivate *priv = self->priv; if (chain_up != NULL) chain_up (object); priv->status_changed_id = g_signal_connect (priv->conn, "status-changed", (GCallback) connection_status_changed_cb, object); } static void gabble_media_factory_foreach_channel (TpChannelManager *manager, TpExportableChannelFunc foreach, gpointer user_data) { GabbleMediaFactory *fac = GABBLE_MEDIA_FACTORY (manager); GabbleMediaFactoryPrivate *priv = fac->priv; GList *l; for (l = priv->media_channels; l != NULL; l = g_list_next (l)) foreach (TP_EXPORTABLE_CHANNEL (l->data), user_data); for (l = priv->call_channels; l != NULL; l = g_list_next (l)) foreach (TP_EXPORTABLE_CHANNEL (l->data), user_data); } static const gchar * const media_channel_fixed_properties[] = { TP_PROP_CHANNEL_CHANNEL_TYPE, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL }; /* If you change this at all, you'll probably also need to change both_allowed * and video_allowed */ static const gchar * const named_channel_allowed_properties[] = { TP_PROP_CHANNEL_TARGET_HANDLE, TP_PROP_CHANNEL_TARGET_ID, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, NULL }; static const gchar * const * both_allowed = named_channel_allowed_properties + 2; static const gchar * const audio_allowed[] = { TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_IMMUTABLE_STREAMS, NULL }; static const gchar * const video_allowed[] = { TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_IMMUTABLE_STREAMS, NULL }; static const gchar * const both_allowed_immutable[] = { TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_IMMUTABLE_STREAMS, NULL }; static const gchar * const call_channel_allowed_properties[] = { TP_PROP_CHANNEL_TARGET_HANDLE, TP_PROP_CHANNEL_TARGET_ID, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO_NAME, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO_NAME, TP_PROP_CHANNEL_TYPE_CALL_MUTABLE_CONTENTS, NULL }; static const gchar * const call_audio_allowed[] = { TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO_NAME, NULL }; static const gchar * const call_video_allowed[] = { TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO_NAME, NULL }; static const gchar * const call_both_allowed[] = { TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO_NAME, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO_NAME, TP_PROP_CHANNEL_TYPE_CALL_MUTABLE_CONTENTS, NULL }; static const gchar * const call_both_allowed_immutable[] = { TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO_NAME, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO_NAME, NULL }; /* not advertised in type_foreach_channel_class - can only be requested with * RequestChannel, not with CreateChannel/EnsureChannel */ static const gchar * const anon_channel_allowed_properties[] = { NULL }; const gchar * const * gabble_media_factory_call_channel_allowed_properties (void) { return call_channel_allowed_properties; } static GHashTable * gabble_media_factory_streamed_media_channel_class (void) { GHashTable *table = tp_asv_new ( TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT, NULL); tp_asv_set_static_string (table, TP_PROP_CHANNEL_CHANNEL_TYPE, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA); return table; } static GHashTable * gabble_media_factory_call_channel_class (void) { GHashTable *table = tp_asv_new ( TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT, NULL); tp_asv_set_static_string (table, TP_PROP_CHANNEL_CHANNEL_TYPE, TP_IFACE_CHANNEL_TYPE_CALL); return table; } static void gabble_media_factory_type_foreach_channel_class (GType type, TpChannelManagerTypeChannelClassFunc func, gpointer user_data) { GHashTable *table = gabble_media_factory_streamed_media_channel_class (); func (type, table, named_channel_allowed_properties, user_data); g_hash_table_unref (table); table = gabble_media_factory_call_channel_class (); func (type, table, call_channel_allowed_properties, user_data); g_hash_table_unref (table); } typedef enum { METHOD_REQUEST, METHOD_CREATE, METHOD_ENSURE, } RequestMethod; static gboolean gabble_media_factory_requestotron (TpChannelManager *manager, gpointer request_token, GHashTable *request_properties, RequestMethod method) { GabbleMediaFactory *self = GABBLE_MEDIA_FACTORY (manager); GabbleMediaFactoryPrivate *priv = self->priv; TpHandleType handle_type; TpHandle handle; GabbleMediaChannel *channel = NULL; GError *error = NULL; gboolean require_target_handle, add_peer_to_remote_pending; gboolean initial_audio, initial_video; /* Supported modes of operation: * - RequestChannel(None, 0): * channel is anonymous; * caller may optionally use AddMembers to add the peer to RemotePending * without sending them any XML; * caller uses RequestStreams to set the peer and start the call. * - RequestChannel(Contact, n) where n != 0: * channel has TargetHandle=n; * n is in remote pending; * call is started when caller calls RequestStreams. * - CreateChannel({THT: Contact, TH: n}): * channel has TargetHandle=n * n is not in the group interface at all * call is started when caller calls RequestStreams. * - EnsureChannel({THT: Contact, TH: n}): * look for a channel whose peer is n, and return that if found with * whatever properties and group membership it has; * otherwise the same as into CreateChannel */ switch (method) { case METHOD_REQUEST: require_target_handle = FALSE; add_peer_to_remote_pending = TRUE; break; case METHOD_CREATE: case METHOD_ENSURE: require_target_handle = TRUE; add_peer_to_remote_pending = FALSE; break; default: g_assert_not_reached (); } if (tp_strdiff (tp_asv_get_string (request_properties, TP_PROP_CHANNEL_CHANNEL_TYPE), TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA)) return FALSE; handle_type = tp_asv_get_uint32 (request_properties, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL); handle = tp_asv_get_uint32 (request_properties, TP_PROP_CHANNEL_TARGET_HANDLE, NULL); initial_audio = tp_asv_get_boolean (request_properties, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, NULL); initial_video = tp_asv_get_boolean (request_properties, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, NULL); switch (handle_type) { case TP_HANDLE_TYPE_NONE: /* already checked by TpBaseConnection */ g_assert (handle == 0); if (require_target_handle) { g_set_error (&error, TP_ERROR, TP_ERROR_NOT_IMPLEMENTED, "A valid Contact handle must be provided when requesting a media " "channel"); goto error; } if (tp_channel_manager_asv_has_unknown_properties (request_properties, media_channel_fixed_properties, anon_channel_allowed_properties, &error)) goto error; channel = new_media_channel (self, NULL, 0, FALSE, FALSE, FALSE); break; case TP_HANDLE_TYPE_CONTACT: /* validity already checked by TpBaseConnection */ g_assert (handle != 0); if (tp_channel_manager_asv_has_unknown_properties (request_properties, media_channel_fixed_properties, named_channel_allowed_properties, &error)) goto error; if (method == METHOD_ENSURE) { GList *l; TpHandle peer = 0; for (l = priv->media_channels; l != NULL; l = g_list_next (l)) { channel = GABBLE_MEDIA_CHANNEL (l->data); g_object_get (channel, "peer", &peer, NULL); if (peer == handle) { /* Per the spec, we ignore InitialAudio and InitialVideo when * looking for an existing channel. */ tp_channel_manager_emit_request_already_satisfied (self, request_token, TP_EXPORTABLE_CHANNEL (channel)); return TRUE; } } } channel = new_media_channel (self, NULL, handle, add_peer_to_remote_pending, initial_audio, initial_video); break; default: return FALSE; } g_assert (channel != NULL); gabble_media_channel_request_initial_streams (channel, (GFunc) media_channel_request_succeeded_cb, (GFunc) media_channel_request_failed_cb, media_channel_request_new (self, TP_EXPORTABLE_CHANNEL (channel), request_token)); return TRUE; error: tp_channel_manager_emit_request_failed (self, request_token, error->domain, error->code, error->message); g_error_free (error); return TRUE; } static gboolean gabble_media_factory_create_call (TpChannelManager *manager, gpointer request_token, GHashTable *request_properties, RequestMethod method) { GabbleMediaFactory *self = GABBLE_MEDIA_FACTORY (manager); TpHandle target; GError *error = NULL; gboolean initial_audio, initial_video; const gchar *initial_audio_name, *initial_video_name; DEBUG ("Creating a new call channel"); if (tp_asv_get_uint32 (request_properties, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL) != TP_HANDLE_TYPE_CONTACT) return FALSE; if (tp_channel_manager_asv_has_unknown_properties (request_properties, media_channel_fixed_properties, call_channel_allowed_properties, &error)) goto error; target = tp_asv_get_uint32 (request_properties, TP_PROP_CHANNEL_TARGET_HANDLE, NULL); if (method == METHOD_ENSURE) { GList *l; TpHandle handle = 0; for (l = self->priv->call_channels; l != NULL; l = g_list_next (l)) { GabbleCallChannel *channel = GABBLE_CALL_CHANNEL (l->data); g_object_get (channel, "handle", &handle, NULL); if (handle == target) { /* Per the spec, we ignore InitialAudio and InitialVideo when * looking for an existing channel. */ tp_channel_manager_emit_request_already_satisfied (self, request_token, TP_EXPORTABLE_CHANNEL (channel)); return TRUE; } } for (l = self->priv->pending_call_channels; l != NULL; l = g_list_next (l)) { MediaChannelRequest *mcr = (MediaChannelRequest *) l->data; g_object_get (mcr->channel, "handle", &handle, NULL); if (handle == target) { /* Per the spec, we ignore InitialAudio and InitialVideo when * looking for an existing channel. */ mcr->request_tokens = g_slist_prepend (mcr->request_tokens, request_token); return TRUE; } } } initial_audio = tp_asv_get_boolean (request_properties, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, NULL); initial_video = tp_asv_get_boolean (request_properties, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, NULL); if (!initial_audio && !initial_video) { g_set_error (&error, TP_ERROR, TP_ERROR_INVALID_ARGUMENT, "Call channel must contain at least " "one of InitialAudio or InitialVideo"); goto error; } /* FIXME creating the channel should check and wait for the capabilities * FIXME need to cope with disconnecting while channels are setting up */ initial_audio_name = tp_asv_get_string (request_properties, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO_NAME); initial_video_name = tp_asv_get_string (request_properties, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO_NAME); new_call_channel (self, NULL, target, initial_audio, initial_audio_name, initial_video, initial_video_name, request_token); return TRUE; error: tp_channel_manager_emit_request_failed (self, request_token, error->domain, error->code, error->message); g_error_free (error); return TRUE; } static gboolean gabble_media_factory_request_channel (TpChannelManager *manager, gpointer request_token, GHashTable *request_properties) { return gabble_media_factory_requestotron (manager, request_token, request_properties, METHOD_REQUEST); } static gboolean gabble_media_factory_create_channel (TpChannelManager *manager, gpointer request_token, GHashTable *request_properties) { if (!tp_strdiff (tp_asv_get_string (request_properties, TP_PROP_CHANNEL_CHANNEL_TYPE), TP_IFACE_CHANNEL_TYPE_CALL)) return gabble_media_factory_create_call (manager, request_token, request_properties, METHOD_CREATE); else return gabble_media_factory_requestotron (manager, request_token, request_properties, METHOD_CREATE); } static gboolean gabble_media_factory_ensure_channel (TpChannelManager *manager, gpointer request_token, GHashTable *request_properties) { if (!tp_strdiff (tp_asv_get_string (request_properties, TP_PROP_CHANNEL_CHANNEL_TYPE), TP_IFACE_CHANNEL_TYPE_CALL)) return gabble_media_factory_create_call (manager, request_token, request_properties, METHOD_ENSURE); else return gabble_media_factory_requestotron (manager, request_token, request_properties, METHOD_ENSURE); } static void channel_manager_iface_init (gpointer g_iface, gpointer iface_data) { TpChannelManagerIface *iface = g_iface; iface->foreach_channel = gabble_media_factory_foreach_channel; iface->type_foreach_channel_class = gabble_media_factory_type_foreach_channel_class; iface->request_channel = gabble_media_factory_request_channel; iface->create_channel = gabble_media_factory_create_channel; iface->ensure_channel = gabble_media_factory_ensure_channel; } static void gabble_media_factory_add_caps (GabbleCapabilitySet *caps, const gchar *client_name, gboolean audio, gboolean video, gboolean gtalk_p2p, gboolean ice_udp, gboolean h264) { gboolean any_content = audio || video; DEBUG ("Client %s media capabilities:%s%s%s%s%s", client_name, audio ? " audio" : "", video ? " video" : "", gtalk_p2p ? " gtalk-p2p" : "", ice_udp ? " ice-udp" : "", h264 ? " H.264" : ""); if (gtalk_p2p && any_content) gabble_capability_set_add (caps, NS_GOOGLE_TRANSPORT_P2P); if (ice_udp && any_content) gabble_capability_set_add (caps, NS_JINGLE_TRANSPORT_ICEUDP); if (audio) { gabble_capability_set_add (caps, NS_JINGLE_RTP); gabble_capability_set_add (caps, NS_JINGLE_RTP_AUDIO); gabble_capability_set_add (caps, NS_JINGLE_DESCRIPTION_AUDIO); gabble_capability_set_add (caps, NS_JINGLE_RTP_HDREXT); gabble_capability_set_add (caps, NS_JINGLE_RTCP_FB); /* voice-v1 implies that we interop with GTalk, i.e. we have gtalk-p2p * as well as audio */ if (gtalk_p2p) gabble_capability_set_add (caps, NS_GOOGLE_FEAT_VOICE); } if (video) { gabble_capability_set_add (caps, NS_JINGLE_RTP); gabble_capability_set_add (caps, NS_JINGLE_RTP_VIDEO); gabble_capability_set_add (caps, NS_JINGLE_DESCRIPTION_VIDEO); gabble_capability_set_add (caps, NS_JINGLE_RTP_HDREXT); gabble_capability_set_add (caps, NS_JINGLE_RTCP_FB); /* video-v1 implies that we interop with Google Video Chat, i.e. we have * gtalk-p2p and H.264 as well as video */ if (gtalk_p2p && h264) { gabble_capability_set_add (caps, NS_GOOGLE_FEAT_VIDEO); gabble_capability_set_add (caps, NS_GOOGLE_FEAT_CAMERA); } } } /* The switch in gabble_media_factory_get_contact_caps needs to be kept in * sync with the possible returns from this function. */ TpChannelMediaCapabilities _gabble_media_factory_caps_to_typeflags (const GabbleCapabilitySet *caps) { TpChannelMediaCapabilities typeflags = 0; gboolean has_a_transport, just_google, one_media_type; has_a_transport = gabble_capability_set_has_one (caps, gabble_capabilities_get_any_transport ()); if (has_a_transport && gabble_capability_set_has_one (caps, gabble_capabilities_get_any_audio ())) typeflags |= TP_CHANNEL_MEDIA_CAPABILITY_AUDIO; if (has_a_transport && gabble_capability_set_has_one (caps, gabble_capabilities_get_any_video ())) typeflags |= TP_CHANNEL_MEDIA_CAPABILITY_VIDEO; /* The checks below are an intentional asymmetry with the function going the * other way - we don't require the other end to advertise the GTalk-P2P * transport capability separately because old GTalk clients didn't do that. * Having Google voice implied Google session and GTalk-P2P. */ if (gabble_capability_set_has (caps, NS_GOOGLE_FEAT_VOICE)) typeflags |= TP_CHANNEL_MEDIA_CAPABILITY_AUDIO; if (gabble_capability_set_has (caps, NS_GOOGLE_FEAT_VIDEO)) typeflags |= TP_CHANNEL_MEDIA_CAPABILITY_VIDEO; just_google = gabble_capability_set_has_one (caps, gabble_capabilities_get_any_google_av ()) && !gabble_capability_set_has_one (caps, gabble_capabilities_get_any_jingle_av ()); one_media_type = (typeflags == TP_CHANNEL_MEDIA_CAPABILITY_AUDIO) || (typeflags == TP_CHANNEL_MEDIA_CAPABILITY_VIDEO); if (just_google || one_media_type) typeflags |= TP_CHANNEL_MEDIA_CAPABILITY_IMMUTABLE_STREAMS; return typeflags; } void _gabble_media_factory_typeflags_to_caps (TpChannelMediaCapabilities flags, GabbleCapabilitySet *caps) { DEBUG ("adding Jingle caps %u", flags); /* The client name just appears in a debug message, so use something that * won't, in practice, clash with any client that uses ContactCapabilities */ gabble_media_factory_add_caps (caps, "", (flags & TP_CHANNEL_MEDIA_CAPABILITY_AUDIO) != 0, (flags & TP_CHANNEL_MEDIA_CAPABILITY_VIDEO) != 0, (flags & TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_GTALK_P2P) != 0, (flags & TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_ICE_UDP) != 0, TRUE /* assume we have H.264 for now */); } static void gabble_media_factory_get_contact_caps (GabbleCapsChannelManager *manager, TpHandle handle, const GabbleCapabilitySet *caps, GPtrArray *arr) { TpChannelMediaCapabilities typeflags = _gabble_media_factory_caps_to_typeflags (caps); GValueArray *va; const gchar * const *streamed_media_allowed; const gchar * const *call_allowed; typeflags &= (TP_CHANNEL_MEDIA_CAPABILITY_AUDIO | TP_CHANNEL_MEDIA_CAPABILITY_VIDEO | TP_CHANNEL_MEDIA_CAPABILITY_IMMUTABLE_STREAMS); /* This switch is over the values of several bits from a * bitfield-represented-as-an-enum, simultaneously, which upsets gcc-4.5; * the guint cast reassures it that we know what we're doing. * _gabble_media_factory_caps_to_typeflags shouldn't return any cases not * handled here. */ switch ((guint) typeflags) { case 0: return; case TP_CHANNEL_MEDIA_CAPABILITY_AUDIO | TP_CHANNEL_MEDIA_CAPABILITY_IMMUTABLE_STREAMS: streamed_media_allowed = audio_allowed; call_allowed = call_audio_allowed; break; case TP_CHANNEL_MEDIA_CAPABILITY_VIDEO | TP_CHANNEL_MEDIA_CAPABILITY_IMMUTABLE_STREAMS: streamed_media_allowed = video_allowed; call_allowed = call_video_allowed; break; case TP_CHANNEL_MEDIA_CAPABILITY_AUDIO | TP_CHANNEL_MEDIA_CAPABILITY_VIDEO: /* both */ streamed_media_allowed = both_allowed; call_allowed = call_both_allowed; break; case TP_CHANNEL_MEDIA_CAPABILITY_AUDIO /* both but immutable */ | TP_CHANNEL_MEDIA_CAPABILITY_VIDEO | TP_CHANNEL_MEDIA_CAPABILITY_IMMUTABLE_STREAMS: streamed_media_allowed = both_allowed_immutable; call_allowed = call_both_allowed_immutable; break; default: g_assert_not_reached (); } /* Streamed Media channel */ va = g_value_array_new (2); g_value_array_append (va, NULL); g_value_array_append (va, NULL); g_value_init (va->values + 0, TP_HASH_TYPE_CHANNEL_CLASS); g_value_init (va->values + 1, G_TYPE_STRV); g_value_take_boxed (va->values + 0, gabble_media_factory_streamed_media_channel_class ()); g_value_set_static_boxed (va->values + 1, streamed_media_allowed); g_ptr_array_add (arr, va); /* Call channel */ va = g_value_array_new (2); g_value_array_append (va, NULL); g_value_array_append (va, NULL); g_value_init (va->values + 0, TP_HASH_TYPE_CHANNEL_CLASS); g_value_init (va->values + 1, G_TYPE_STRV); g_value_take_boxed (va->values + 0, gabble_media_factory_call_channel_class ()); g_value_set_static_boxed (va->values + 1, call_allowed); g_ptr_array_add (arr, va); } static void gabble_media_factory_represent_client (GabbleCapsChannelManager *manager, const gchar *client_name, const GPtrArray *filters, const gchar * const *cap_tokens, GabbleCapabilitySet *cap_set, GPtrArray *data_forms) { static GQuark q_gtalk_p2p = 0, q_ice_udp = 0, q_h264 = 0; static GQuark qc_gtalk_p2p = 0, qc_ice_udp = 0, qc_h264 = 0; gboolean gtalk_p2p = FALSE, h264 = FALSE, audio = FALSE, video = FALSE, ice_udp = FALSE; guint i; /* One-time initialization - turn the tokens we care about into quarks */ if (G_UNLIKELY (q_gtalk_p2p == 0)) { q_gtalk_p2p = g_quark_from_static_string ( TP_IFACE_CHANNEL_INTERFACE_MEDIA_SIGNALLING "/gtalk-p2p"); qc_gtalk_p2p = g_quark_from_static_string ( TP_IFACE_CHANNEL_TYPE_CALL "/gtalk-p2p"); q_ice_udp = g_quark_from_static_string ( TP_IFACE_CHANNEL_INTERFACE_MEDIA_SIGNALLING "/ice-udp"); qc_ice_udp = g_quark_from_static_string ( TP_IFACE_CHANNEL_TYPE_CALL "/ice-udp"); q_h264 = g_quark_from_static_string ( TP_IFACE_CHANNEL_INTERFACE_MEDIA_SIGNALLING "/video/h264"); qc_h264 = g_quark_from_static_string ( TP_IFACE_CHANNEL_TYPE_CALL "/video/h264"); } if (cap_tokens != NULL) { const gchar * const *token; for (token = cap_tokens; *token != NULL; token++) { GQuark quark = g_quark_try_string (*token); struct { GQuark quark; gboolean *cap; } q2cap[] = { { q_gtalk_p2p, >alk_p2p }, { qc_gtalk_p2p, >alk_p2p }, { q_ice_udp, &ice_udp }, { qc_ice_udp, &ice_udp }, { q_h264, &h264 }, { qc_h264, &h264 }, { 0, NULL }, }; for (i = 0; q2cap[i].quark != 0; i++) { if (quark == q2cap[i].quark) *(q2cap[i].cap) = TRUE; } } } for (i = 0; i < filters->len; i++) { GHashTable *filter = g_ptr_array_index (filters, i); if (tp_asv_size (filter) == 0) { /* a client that claims to be able to do absolutely everything can * presumably do audio, video, smell, etc. etc. */ audio = TRUE; video = TRUE; continue; } if (tp_strdiff (tp_asv_get_string (filter, TP_PROP_CHANNEL_CHANNEL_TYPE), TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA) && tp_strdiff (tp_asv_get_string (filter, TP_PROP_CHANNEL_CHANNEL_TYPE), TP_IFACE_CHANNEL_TYPE_CALL)) { /* not interesting to this channel manager */ continue; } #ifdef ENABLE_CHANNEL_TYPE_CALL /* If there is a handler that can support Call channels, use those for * incoming channels */ if (!tp_strdiff (tp_asv_get_string (filter, TP_PROP_CHANNEL_CHANNEL_TYPE), TP_IFACE_CHANNEL_TYPE_CALL)) { GabbleMediaFactory *self = GABBLE_MEDIA_FACTORY (manager); self->priv->use_call_channels = TRUE; } #endif if (tp_asv_lookup (filter, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE) != NULL && tp_asv_get_uint32 (filter, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL) != TP_HANDLE_TYPE_CONTACT) { /* not interesting to this channel manager: we only care about * Jingle calls involving contacts (or about clients that support * all Jingle calls regardless of handle type) */ continue; } if (tp_asv_get_boolean (filter, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, NULL) || tp_asv_get_boolean (filter, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, NULL)) audio = TRUE; if (tp_asv_get_boolean (filter, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, NULL) || tp_asv_get_boolean (filter, TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, NULL)) video = TRUE; /* If we've picked up all the capabilities we're ever going to, then * we don't need to look at the rest of the filters */ if (audio && video) break; } gabble_media_factory_add_caps (cap_set, client_name, audio, video, gtalk_p2p, ice_udp, h264); } static void caps_channel_manager_iface_init (gpointer g_iface, gpointer iface_data) { GabbleCapsChannelManagerInterface *iface = g_iface; iface->get_contact_caps = gabble_media_factory_get_contact_caps; iface->represent_client = gabble_media_factory_represent_client; }