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-rw-r--r--libempathy/empathy-dispatcher.c681
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diff --git a/libempathy/empathy-dispatcher.c b/libempathy/empathy-dispatcher.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2007-2008 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
+ *
+ * Authors: Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <glib/gi18n.h>
+
+#include <telepathy-glib/enums.h>
+#include <telepathy-glib/connection.h>
+#include <telepathy-glib/util.h>
+#include <telepathy-glib/dbus.h>
+#include <telepathy-glib/proxy-subclass.h>
+
+#include <libmissioncontrol/mission-control.h>
+#include <libmissioncontrol/mc-account.h>
+
+#include <extensions/extensions.h>
+
+#include "empathy-dispatcher.h"
+#include "empathy-utils.h"
+#include "empathy-tube-handler.h"
+#include "empathy-contact-factory.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
+#include <libempathy/empathy-debug.h>
+
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyDispatcher)
+typedef struct {
+ GHashTable *connections;
+ gpointer token;
+ MissionControl *mc;
+ GHashTable *tubes;
+} EmpathyDispatcherPriv;
+
+G_DEFINE_TYPE (EmpathyDispatcher, empathy_dispatcher, G_TYPE_OBJECT);
+
+enum {
+ DISPATCH_CHANNEL,
+ FILTER_CHANNEL,
+ FILTER_TUBE,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL];
+static EmpathyDispatcher *dispatcher = NULL;
+
+void
+empathy_dispatcher_channel_process (EmpathyDispatcher *dispatcher,
+ TpChannel *channel)
+{
+ g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
+}
+
+typedef struct {
+ EmpathyDispatcherTube public;
+ EmpathyContactFactory *factory;
+ gchar *bus_name;
+ gchar *object_path;
+ guint ref_count;
+ gboolean handled;
+} DispatcherTube;
+
+GType
+empathy_dispatcher_tube_get_type (void)
+{
+ static GType type_id = 0;
+
+ if (!type_id) {
+ type_id = g_boxed_type_register_static ("EmpathyDispatcherTube",
+ (GBoxedCopyFunc) empathy_dispatcher_tube_ref,
+ (GBoxedFreeFunc) empathy_dispatcher_tube_unref);
+ }
+
+ return type_id;
+}
+
+EmpathyDispatcherTube *
+empathy_dispatcher_tube_ref (EmpathyDispatcherTube *data)
+{
+ DispatcherTube *tube = (DispatcherTube*) data;
+
+ g_return_val_if_fail (tube != NULL, NULL);
+
+ tube->ref_count++;
+
+ return data;
+}
+
+void
+empathy_dispatcher_tube_unref (EmpathyDispatcherTube *data)
+{
+ DispatcherTube *tube = (DispatcherTube*) data;
+
+ g_return_if_fail (tube != NULL);
+
+ if (--tube->ref_count == 0) {
+ if (!tube->handled) {
+ DEBUG ("Tube can't be handled, closing");
+ tp_cli_channel_type_tubes_call_close_tube (tube->public.channel, -1,
+ tube->public.id,
+ NULL, NULL, NULL,
+ NULL);
+ }
+
+ g_free (tube->bus_name);
+ g_free (tube->object_path);
+ g_object_unref (tube->factory);
+ g_object_unref (tube->public.channel);
+ g_object_unref (tube->public.initiator);
+ g_slice_free (DispatcherTube, tube);
+ }
+}
+
+static void
+dispatcher_tubes_handle_tube_cb (TpProxy *channel,
+ const GError *error,
+ gpointer user_data,
+ GObject *dispatcher)
+{
+ DispatcherTube *tube = user_data;
+
+ if (error) {
+ DEBUG ("Error: %s", error->message);
+ } else {
+ tube->handled = TRUE;
+ }
+}
+
+void
+empathy_dispatcher_tube_process (EmpathyDispatcher *dispatcher,
+ EmpathyDispatcherTube *user_data)
+{
+ DispatcherTube *tube = (DispatcherTube*) user_data;
+
+ if (tube->public.activatable) {
+ TpProxy *connection;
+ TpProxy *thandler;
+ gchar *object_path;
+ guint handle_type;
+ guint handle;
+
+ /* Create the proxy for the tube handler */
+ thandler = g_object_new (TP_TYPE_PROXY,
+ "dbus-connection", tp_get_bus (),
+ "bus-name", tube->bus_name,
+ "object-path", tube->object_path,
+ NULL);
+ tp_proxy_add_interface_by_id (thandler, EMP_IFACE_QUARK_TUBE_HANDLER);
+
+ /* Give the tube to the handler */
+ g_object_get (tube->public.channel,
+ "connection", &connection,
+ "object-path", &object_path,
+ "handle_type", &handle_type,
+ "handle", &handle,
+ NULL);
+
+ DEBUG ("Dispatching tube");
+ emp_cli_tube_handler_call_handle_tube (thandler, -1,
+ connection->bus_name,
+ connection->object_path,
+ object_path, handle_type,
+ handle, tube->public.id,
+ dispatcher_tubes_handle_tube_cb,
+ empathy_dispatcher_tube_ref (user_data),
+ (GDestroyNotify) empathy_dispatcher_tube_unref,
+ G_OBJECT (dispatcher));
+
+ g_object_unref (thandler);
+ g_object_unref (connection);
+ g_free (object_path);
+ }
+}
+
+static void
+dispatcher_tubes_new_tube_cb (TpChannel *channel,
+ guint id,
+ guint initiator,
+ guint type,
+ const gchar *service,
+ GHashTable *parameters,
+ guint state,
+ gpointer user_data,
+ GObject *dispatcher)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+ static TpDBusDaemon *daemon = NULL;
+ DispatcherTube *tube;
+ McAccount *account;
+ guint number;
+ gchar **names;
+ gboolean running = FALSE;
+ GError *error = NULL;
+
+ /* Increase tube count */
+ number = GPOINTER_TO_UINT (g_hash_table_lookup (priv->tubes, channel));
+ g_hash_table_replace (priv->tubes, g_object_ref (channel),
+ GUINT_TO_POINTER (++number));
+ DEBUG ("Increased tube count for channel %p: %d", channel, number);
+
+ /* We dispatch only local pending tubes */
+ if (state != TP_TUBE_STATE_LOCAL_PENDING) {
+ return;
+ }
+
+ if (!daemon) {
+ daemon = tp_dbus_daemon_new (tp_get_bus ());
+ }
+
+ account = empathy_channel_get_account (channel);
+ tube = g_slice_new (DispatcherTube);
+ tube->ref_count = 1;
+ tube->handled = FALSE;
+ tube->factory = empathy_contact_factory_new ();
+ tube->bus_name = empathy_tube_handler_build_bus_name (type, service);
+ tube->object_path = empathy_tube_handler_build_object_path (type, service);
+ tube->public.activatable = FALSE;
+ tube->public.id = id;
+ tube->public.channel = g_object_ref (channel);
+ tube->public.initiator = empathy_contact_factory_get_from_handle (tube->factory,
+ account,
+ initiator);
+ g_object_unref (account);
+
+ /* Check if that bus-name has an owner, if it has one that means the
+ * app is already running and we can directly give the channel. */
+ tp_cli_dbus_daemon_run_name_has_owner (daemon, -1, tube->bus_name,
+ &running, NULL, NULL);
+ if (running) {
+ DEBUG ("Tube handler running");
+ tube->public.activatable = TRUE;
+ empathy_dispatcher_tube_process (EMPATHY_DISPATCHER (dispatcher),
+ (EmpathyDispatcherTube*) tube);
+ empathy_dispatcher_tube_unref ((EmpathyDispatcherTube*) tube);
+ return;
+ }
+
+ /* Check if that bus-name is activatable, if not that means the
+ * application needed to handle this tube isn't installed. */
+ if (!tp_cli_dbus_daemon_run_list_activatable_names (daemon, -1,
+ &names, &error,
+ NULL)) {
+ DEBUG ("Error listing activatable names: %s", error->message);
+ g_clear_error (&error);
+ } else {
+ gchar **name;
+
+ for (name = names; *name; name++) {
+ if (!tp_strdiff (*name, tube->bus_name)) {
+ tube->public.activatable = TRUE;
+ break;
+ }
+ }
+ g_strfreev (names);
+ }
+
+ g_signal_emit (dispatcher, signals[FILTER_TUBE], 0, tube);
+ empathy_dispatcher_tube_unref ((EmpathyDispatcherTube*) tube);
+}
+
+static void
+dispatcher_tubes_list_tubes_cb (TpChannel *channel,
+ const GPtrArray *tubes,
+ const GError *error,
+ gpointer user_data,
+ GObject *dispatcher)
+{
+ guint i;
+
+ if (error) {
+ DEBUG ("Error: %s", error->message);
+ return;
+ }
+
+ for (i = 0; i < tubes->len; i++) {
+ GValueArray *values;
+
+ values = g_ptr_array_index (tubes, i);
+ dispatcher_tubes_new_tube_cb (channel,
+ g_value_get_uint (g_value_array_get_nth (values, 0)),
+ g_value_get_uint (g_value_array_get_nth (values, 1)),
+ g_value_get_uint (g_value_array_get_nth (values, 2)),
+ g_value_get_string (g_value_array_get_nth (values, 3)),
+ g_value_get_boxed (g_value_array_get_nth (values, 4)),
+ g_value_get_uint (g_value_array_get_nth (values, 5)),
+ user_data, dispatcher);
+ }
+}
+
+static void
+dispatcher_tubes_channel_invalidated_cb (TpProxy *proxy,
+ guint domain,
+ gint code,
+ gchar *message,
+ EmpathyDispatcher *dispatcher)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+
+ DEBUG ("Error: %s", message);
+
+ g_hash_table_remove (priv->tubes, proxy);
+}
+
+static void
+dispatcher_tubes_tube_closed_cb (TpChannel *channel,
+ guint id,
+ gpointer user_data,
+ GObject *dispatcher)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+ guint number;
+
+ number = GPOINTER_TO_UINT (g_hash_table_lookup (priv->tubes, channel));
+ if (number == 1) {
+ DEBUG ("No more tube, closing channel");
+ tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
+ }
+ else if (number > 1) {
+ DEBUG ("Decrease tube count: %d", number);
+ g_hash_table_replace (priv->tubes, g_object_ref (channel),
+ GUINT_TO_POINTER (--number));
+ }
+}
+
+static void
+dispatcher_tubes_handle_channel (EmpathyDispatcher *dispatcher,
+ TpChannel *channel)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+
+ if (g_hash_table_lookup (priv->tubes, channel)) {
+ return;
+ }
+
+ DEBUG ("Handling new channel");
+
+ g_hash_table_insert (priv->tubes, g_object_ref (channel),
+ GUINT_TO_POINTER (0));
+
+ g_signal_connect (channel, "invalidated",
+ G_CALLBACK (dispatcher_tubes_channel_invalidated_cb),
+ dispatcher);
+
+ tp_cli_channel_type_tubes_connect_to_tube_closed (channel,
+ dispatcher_tubes_tube_closed_cb,
+ NULL, NULL,
+ G_OBJECT (dispatcher), NULL);
+ tp_cli_channel_type_tubes_connect_to_new_tube (channel,
+ dispatcher_tubes_new_tube_cb,
+ NULL, NULL,
+ G_OBJECT (dispatcher), NULL);
+ tp_cli_channel_type_tubes_call_list_tubes (channel, -1,
+ dispatcher_tubes_list_tubes_cb,
+ NULL, NULL,
+ G_OBJECT (dispatcher));
+}
+
+static void
+dispatcher_connection_invalidated_cb (TpConnection *connection,
+ guint domain,
+ gint code,
+ gchar *message,
+ EmpathyDispatcher *dispatcher)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+ GHashTableIter iter;
+ gpointer key, value;
+
+ DEBUG ("Error: %s", message);
+
+ g_hash_table_iter_init (&iter, priv->connections);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ if (value == connection) {
+ g_hash_table_remove (priv->connections, key);
+ break;
+ }
+ }
+}
+
+static void
+dispatcher_connection_new_channel_cb (TpConnection *connection,
+ const gchar *object_path,
+ const gchar *channel_type,
+ guint handle_type,
+ guint handle,
+ gboolean suppress_handler,
+ gpointer user_data,
+ GObject *object)
+{
+ EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
+ TpChannel *channel;
+ gpointer had_channels;
+
+ had_channels = g_object_get_data (G_OBJECT (connection), "had-channels");
+ if (had_channels == NULL) {
+ /* ListChannels didn't return yet, return to avoid duplicate
+ * dispatching */
+ return;
+ }
+
+ channel = tp_channel_new (connection, object_path, channel_type,
+ handle_type, handle, NULL);
+ tp_channel_run_until_ready (channel, NULL, NULL);
+
+ if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TUBES)) {
+ dispatcher_tubes_handle_channel (dispatcher, channel);
+ }
+
+ if (suppress_handler) {
+ g_signal_emit (dispatcher, signals[DISPATCH_CHANNEL], 0, channel);
+ } else {
+ g_signal_emit (dispatcher, signals[FILTER_CHANNEL], 0, channel);
+ }
+
+ g_object_unref (channel);
+}
+
+static void
+dispatcher_connection_list_channels_cb (TpConnection *connection,
+ const GPtrArray *channels,
+ const GError *error,
+ gpointer user_data,
+ GObject *dispatcher)
+{
+ guint i;
+
+ if (error) {
+ DEBUG ("Error: %s", error->message);
+ return;
+ }
+
+ g_object_set_data (G_OBJECT (connection), "had-channels",
+ GUINT_TO_POINTER (1));
+
+ for (i = 0; i < channels->len; i++) {
+ GValueArray *values;
+
+ values = g_ptr_array_index (channels, i);
+ dispatcher_connection_new_channel_cb (connection,
+ g_value_get_boxed (g_value_array_get_nth (values, 0)),
+ g_value_get_string (g_value_array_get_nth (values, 1)),
+ g_value_get_uint (g_value_array_get_nth (values, 2)),
+ g_value_get_uint (g_value_array_get_nth (values, 3)),
+ FALSE, user_data, dispatcher);
+ }
+}
+
+static void
+dispatcher_connection_advertise_capabilities_cb (TpConnection *connection,
+ const GPtrArray *capabilities,
+ const GError *error,
+ gpointer user_data,
+ GObject *dispatcher)
+{
+ if (error) {
+ DEBUG ("Error: %s", error->message);
+ }
+}
+
+static void
+dispatcher_connection_ready_cb (TpConnection *connection,
+ const GError *error,
+ gpointer dispatcher)
+{
+ GPtrArray *capabilities;
+ GType cap_type;
+ GValue cap = {0, };
+ const gchar *remove = NULL;
+
+ if (error) {
+ dispatcher_connection_invalidated_cb (connection,
+ error->domain,
+ error->code,
+ error->message,
+ dispatcher);
+ return;
+ }
+
+ g_signal_connect (connection, "invalidated",
+ G_CALLBACK (dispatcher_connection_invalidated_cb),
+ dispatcher);
+ tp_cli_connection_connect_to_new_channel (connection,
+ dispatcher_connection_new_channel_cb,
+ NULL, NULL,
+ G_OBJECT (dispatcher), NULL);
+ tp_cli_connection_call_list_channels (connection, -1,
+ dispatcher_connection_list_channels_cb,
+ NULL, NULL,
+ G_OBJECT (dispatcher));
+
+ /* Advertise VoIP capabilities */
+ capabilities = g_ptr_array_sized_new (1);
+ cap_type = dbus_g_type_get_struct ("GValueArray", G_TYPE_STRING,
+ G_TYPE_UINT, G_TYPE_INVALID);
+ g_value_init (&cap, cap_type);
+ g_value_take_boxed (&cap, dbus_g_type_specialized_construct (cap_type));
+ dbus_g_type_struct_set (&cap,
+ 0, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
+ 1, TP_CHANNEL_MEDIA_CAPABILITY_AUDIO |
+ TP_CHANNEL_MEDIA_CAPABILITY_VIDEO |
+ TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_STUN |
+ TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_GTALK_P2P,
+ G_MAXUINT);
+ g_ptr_array_add (capabilities, g_value_get_boxed (&cap));
+
+ tp_cli_connection_interface_capabilities_call_advertise_capabilities (
+ connection, -1,
+ capabilities, &remove,
+ dispatcher_connection_advertise_capabilities_cb,
+ NULL, NULL, G_OBJECT (dispatcher));
+ /* FIXME: Is that leaked? */
+}
+
+static void
+dispatcher_update_account (EmpathyDispatcher *dispatcher,
+ McAccount *account)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+ TpConnection *connection;
+
+ connection = g_hash_table_lookup (priv->connections, account);
+ if (connection) {
+ return;
+ }
+
+ connection = mission_control_get_tpconnection (priv->mc, account, NULL);
+ if (!connection) {
+ return;
+ }
+
+ g_hash_table_insert (priv->connections, g_object_ref (account), connection);
+ tp_connection_call_when_ready (connection,
+ dispatcher_connection_ready_cb,
+ dispatcher);
+}
+
+static void
+dispatcher_status_changed_cb (MissionControl *mc,
+ TpConnectionStatus status,
+ McPresence presence,
+ TpConnectionStatusReason reason,
+ const gchar *unique_name,
+ EmpathyDispatcher *dispatcher)
+{
+ McAccount *account;
+
+ account = mc_account_lookup (unique_name);
+ dispatcher_update_account (dispatcher, account);
+ g_object_unref (account);
+}
+
+static guint
+dispatcher_channel_hash (gconstpointer key)
+{
+ TpProxy *channel = TP_PROXY (key);
+
+ return g_str_hash (channel->object_path);
+}
+
+static gboolean
+dispatcher_channel_equal (gconstpointer a,
+ gconstpointer b)
+{
+ TpProxy *channel_a = TP_PROXY (a);
+ TpProxy *channel_b = TP_PROXY (b);
+
+ return g_str_equal (channel_a->object_path, channel_b->object_path);
+}
+
+static void
+dispatcher_finalize (GObject *object)
+{
+ EmpathyDispatcherPriv *priv = GET_PRIV (object);
+
+ empathy_disconnect_account_status_changed (priv->token);
+ g_object_unref (priv->mc);
+
+ g_hash_table_destroy (priv->connections);
+ g_hash_table_destroy (priv->tubes);
+}
+
+static void
+empathy_dispatcher_class_init (EmpathyDispatcherClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = dispatcher_finalize;
+
+ signals[DISPATCH_CHANNEL] =
+ g_signal_new ("dispatch-channel",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1, TP_TYPE_CHANNEL);
+ signals[FILTER_CHANNEL] =
+ g_signal_new ("filter-channel",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1, TP_TYPE_CHANNEL);
+ signals[FILTER_TUBE] =
+ g_signal_new ("filter-tube",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__BOXED,
+ G_TYPE_NONE,
+ 1, EMPATHY_TYPE_DISPATCHER_TUBE);
+
+ g_type_class_add_private (object_class, sizeof (EmpathyDispatcherPriv));
+}
+
+static void
+empathy_dispatcher_init (EmpathyDispatcher *dispatcher)
+{
+ GList *accounts, *l;
+ EmpathyDispatcherPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (dispatcher,
+ EMPATHY_TYPE_DISPATCHER, EmpathyDispatcherPriv);
+
+ dispatcher->priv = priv;
+ priv->tubes = g_hash_table_new_full (dispatcher_channel_hash,
+ dispatcher_channel_equal,
+ g_object_unref, NULL);
+
+ priv->mc = empathy_mission_control_new ();
+ priv->token = empathy_connect_to_account_status_changed (priv->mc,
+ G_CALLBACK (dispatcher_status_changed_cb),
+ dispatcher, NULL);
+
+ priv->connections = g_hash_table_new_full (empathy_account_hash,
+ empathy_account_equal,
+ g_object_unref,
+ g_object_unref);
+ accounts = mc_accounts_list_by_enabled (TRUE);
+ for (l = accounts; l; l = l->next) {
+ dispatcher_update_account (dispatcher, l->data);
+ g_object_unref (l->data);
+ }
+ g_list_free (accounts);
+}
+
+EmpathyDispatcher *
+empathy_dispatcher_new (void)
+{
+ if (!dispatcher) {
+ dispatcher = g_object_new (EMPATHY_TYPE_DISPATCHER, NULL);
+ g_object_add_weak_pointer (G_OBJECT (dispatcher), (gpointer) &dispatcher);
+ } else {
+ g_object_ref (dispatcher);
+ }
+
+ return dispatcher;
+}
+