355 lines
10 KiB
C
355 lines
10 KiB
C
/* Pulsevideo
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gio/gio.h>
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#include "config.h"
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#include "server/pv-daemon.h"
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#include "server/pv-client.h"
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#include "modules/v4l2/pv-v4l2-source.h"
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#include "dbus/org-pulsevideo.h"
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#define PV_DAEMON_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), PV_TYPE_DAEMON, PvDaemonPrivate))
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struct _PvDaemonPrivate
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{
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guint id;
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GDBusConnection *connection;
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GDBusObjectManagerServer *server_manager;
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GHashTable *senders;
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PvSource *source;
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};
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typedef struct {
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PvDaemon *daemon;
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gchar *sender;
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guint id;
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GHashTable *clients;
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} SenderData;
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static void
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client_name_appeared_handler (GDBusConnection *connection,
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const gchar *name,
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const gchar *name_owner,
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gpointer user_data)
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{
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}
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static void
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client_name_vanished_handler (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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SenderData *data = user_data;
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PvDaemonPrivate *priv = data->daemon->priv;
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g_print ("vanished client %s\n", name);
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g_hash_table_unref (data->clients);
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g_hash_table_remove (priv->senders, data->sender);
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g_free (data->sender);
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g_bus_unwatch_name (data->id);
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g_free (data);
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}
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static SenderData *
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sender_data_new (PvDaemon *daemon, const gchar *sender)
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{
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PvDaemonPrivate *priv = daemon->priv;
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SenderData *data;
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data = g_new0 (SenderData, 1);
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data->daemon = daemon;
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data->sender = g_strdup (sender);
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data->clients = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
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data->id = g_bus_watch_name_on_connection (priv->connection,
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sender,
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G_BUS_NAME_WATCHER_FLAGS_NONE,
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client_name_appeared_handler,
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client_name_vanished_handler,
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data,
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NULL);
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g_hash_table_insert (priv->senders, data->sender, data);
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return data;
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}
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static gboolean
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handle_connect_client (PvDaemon1 *interface,
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GDBusMethodInvocation *invocation,
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GVariant *arg_properties,
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gpointer user_data)
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{
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PvDaemon *daemon = user_data;
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PvDaemonPrivate *priv = daemon->priv;
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PvClient *client;
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const gchar *sender, *object_path;
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SenderData *data;
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sender = g_dbus_method_invocation_get_sender (invocation);
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g_print ("connect client %s\n", sender);
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data = g_hash_table_lookup (priv->senders, sender);
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if (data == NULL) {
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data = sender_data_new (daemon, sender);
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}
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client = pv_client_new (daemon, PV_DBUS_OBJECT_PREFIX);
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object_path = pv_client_get_object_path (client);
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g_hash_table_insert (data->clients, g_strdup (object_path), client);
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pv_daemon1_complete_connect_client (interface, invocation, object_path);
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return TRUE;
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}
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static gboolean
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handle_disconnect_client (PvDaemon1 *interface,
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GDBusMethodInvocation *invocation,
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const gchar *arg_client,
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gpointer user_data)
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{
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PvDaemon *daemon = user_data;
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PvDaemonPrivate *priv = daemon->priv;
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const gchar *sender;
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SenderData *data;
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sender = g_dbus_method_invocation_get_sender (invocation);
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g_print ("disconnect client %s\n", sender);
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data = g_hash_table_lookup (priv->senders, sender);
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if (data != NULL) {
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g_hash_table_remove (data->clients, arg_client);
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}
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pv_daemon1_complete_disconnect_client (interface, invocation);
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return TRUE;
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}
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static gboolean
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handle_add_provider (PvManager1 *interface,
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GDBusMethodInvocation *invocation,
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const gchar *arg_provider,
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GVariant *arg_properties,
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gpointer user_data)
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{
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g_print ("add provider\n");
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g_dbus_method_invocation_return_dbus_error (invocation,
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"org.pulseaudio.Error.NotImplemented",
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"Operation add not yet implemented");
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return TRUE;
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}
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static gboolean
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handle_remove_provider (PvManager1 *interface,
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GDBusMethodInvocation *invocation,
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const gchar *arg_provider,
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gpointer user_data)
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{
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g_print ("remove provider\n");
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g_dbus_method_invocation_return_dbus_error (invocation,
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"org.pulseaudio.Error.NotImplemented",
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"Operation remove not yet implemented");
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return TRUE;
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}
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static void
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export_server_object (PvDaemon *daemon, GDBusObjectManagerServer *manager)
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{
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GDBusObjectSkeleton *skel;
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skel = g_dbus_object_skeleton_new (PV_DBUS_OBJECT_SERVER);
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{
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PvDaemon1 *iface;
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iface = pv_daemon1_skeleton_new ();
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g_signal_connect (iface, "handle-connect-client", (GCallback) handle_connect_client, daemon);
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g_signal_connect (iface, "handle-disconnect-client", (GCallback) handle_disconnect_client, daemon);
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pv_daemon1_set_user_name (iface, g_get_user_name ());
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pv_daemon1_set_host_name (iface, g_get_host_name ());
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pv_daemon1_set_version (iface, PACKAGE_VERSION);
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pv_daemon1_set_name (iface, PACKAGE_NAME);
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g_dbus_object_skeleton_add_interface (skel, G_DBUS_INTERFACE_SKELETON (iface));
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g_object_unref (iface);
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}
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{
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PvManager1 *iface;
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iface = pv_manager1_skeleton_new ();
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g_signal_connect (iface, "handle-add-provider", (GCallback) handle_add_provider, daemon);
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g_signal_connect (iface, "handle-remove-provider", (GCallback) handle_remove_provider, daemon);
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g_dbus_object_skeleton_add_interface (skel, G_DBUS_INTERFACE_SKELETON (iface));
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g_object_unref (iface);
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}
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g_dbus_object_manager_server_export (manager, skel);
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g_object_unref (skel);
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}
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static void
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bus_acquired_handler (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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PvDaemon *daemon = user_data;
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PvDaemonPrivate *priv = daemon->priv;
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priv->connection = connection;
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}
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static void
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name_acquired_handler (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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PvDaemon *daemon = user_data;
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PvDaemonPrivate *priv = daemon->priv;
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GDBusObjectManagerServer *manager;
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priv->server_manager = manager = g_dbus_object_manager_server_new (PV_DBUS_OBJECT_PREFIX);
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export_server_object (daemon, manager);
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g_dbus_object_manager_server_set_connection (manager, connection);
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}
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static void
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name_lost_handler (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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PvDaemon *daemon = user_data;
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PvDaemonPrivate *priv = daemon->priv;
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GDBusObjectManagerServer *manager = priv->server_manager;
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g_dbus_object_manager_server_unexport (manager, PV_DBUS_OBJECT_SERVER);
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g_clear_object (&priv->server_manager);
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}
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PvDaemon *
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pv_daemon_new (void)
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{
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return g_object_new (PV_TYPE_DAEMON, NULL);
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}
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void
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pv_daemon_start (PvDaemon *daemon)
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{
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PvDaemonPrivate *priv;
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g_return_if_fail (PV_IS_DAEMON (daemon));
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priv = daemon->priv;
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g_return_if_fail (priv->id == 0);
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priv->id = g_bus_own_name (G_BUS_TYPE_SESSION,
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PV_DBUS_SERVICE,
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G_BUS_NAME_OWNER_FLAGS_REPLACE,
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bus_acquired_handler,
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name_acquired_handler,
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name_lost_handler,
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daemon,
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NULL);
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}
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void
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pv_daemon_stop (PvDaemon *daemon)
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{
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PvDaemonPrivate *priv = daemon->priv;
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g_return_if_fail (PV_IS_DAEMON (daemon));
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g_bus_unown_name (priv->id);
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priv->id = 0;
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}
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gchar *
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pv_daemon_export_uniquely (PvDaemon *daemon, GDBusObjectSkeleton *skel)
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{
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g_return_val_if_fail (PV_IS_DAEMON (daemon), NULL);
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g_return_val_if_fail (G_IS_DBUS_OBJECT_SKELETON (skel), NULL);
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g_dbus_object_manager_server_export_uniquely (daemon->priv->server_manager, skel);
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return g_strdup (g_dbus_object_get_object_path (G_DBUS_OBJECT (skel)));
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}
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void
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pv_daemon_unexport (PvDaemon *daemon, const gchar *object_path)
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{
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g_return_if_fail (PV_IS_DAEMON (daemon));
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g_return_if_fail (g_variant_is_object_path (object_path));
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g_dbus_object_manager_server_unexport (daemon->priv->server_manager, object_path);
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}
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PvSource *
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pv_daemon_get_source (PvDaemon *daemon, const gchar *name)
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{
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PvDaemonPrivate *priv;
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g_return_val_if_fail (PV_IS_DAEMON (daemon), NULL);
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priv = daemon->priv;
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if (priv->source == NULL) {
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priv->source = pv_v4l2_source_new (daemon);
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}
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return priv->source;
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}
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G_DEFINE_TYPE (PvDaemon, pv_daemon, G_TYPE_OBJECT);
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static void
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pv_daemon_finalize (GObject * object)
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{
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PvDaemon *daemon = PV_DAEMON_CAST (object);
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PvDaemonPrivate *priv = daemon->priv;
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g_hash_table_unref (priv->senders);
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pv_daemon_stop (daemon);
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G_OBJECT_CLASS (pv_daemon_parent_class)->finalize (object);
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}
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static void
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pv_daemon_class_init (PvDaemonClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (PvDaemonPrivate));
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gobject_class->finalize = pv_daemon_finalize;
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}
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static void
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pv_daemon_init (PvDaemon * daemon)
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{
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PvDaemonPrivate *priv = daemon->priv = PV_DAEMON_GET_PRIVATE (daemon);
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priv->senders = g_hash_table_new (g_str_hash, g_str_equal);
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}
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