1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
3 * LADI Session Handler (ladish)
5 * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
7 **************************************************************************
8 * This file contains implementation of the helper functionality
9 * for accessing Studio object through D-Bus
10 **************************************************************************
12 * LADI Session Handler is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * LADI Session Handler is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
24 * or write to the Free Software Foundation, Inc.,
25 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
30 static void (* g_renamed_callback
)(const char * new_studio_name
) = NULL
;
31 static void (* g_started_callback
)(void) = NULL
;
32 static void (* g_stopped_callback
)(void) = NULL
;
33 static void (* g_crashed_callback
)(void) = NULL
;
35 static void on_studio_renamed(void * context
, DBusMessage
* message_ptr
)
39 if (!dbus_message_get_args(message_ptr
, &g_dbus_error
, DBUS_TYPE_STRING
, &name
, DBUS_TYPE_INVALID
))
41 log_error("Invalid parameters of StudioRenamed signal: %s", g_dbus_error
.message
);
42 dbus_error_free(&g_dbus_error
);
46 log_info("StudioRenamed");
48 if (g_renamed_callback
!= NULL
)
50 g_renamed_callback(name
);
55 static void on_studio_started(void * context
, DBusMessage
* message_ptr
)
57 log_info("StudioStarted");
59 if (g_started_callback
!= NULL
)
65 static void on_studio_stopped(void * context
, DBusMessage
* message_ptr
)
67 log_info("StudioStopped");
69 if (g_stopped_callback
!= NULL
)
75 static void on_studio_crashed(void * context
, DBusMessage
* message_ptr
)
77 log_info("StudioCrashed");
79 if (g_crashed_callback
!= NULL
)
85 static void on_room_appeared(void * context
, DBusMessage
* message_ptr
)
87 log_info("RoomAppeared");
90 static void on_room_disappeared(void * context
, DBusMessage
* message_ptr
)
92 log_info("RoomDisappeared");
95 /* this must be static because it is referenced by the
96 * dbus helper layer when hooks are active */
97 static struct dbus_signal_hook g_signal_hooks
[] =
99 {"StudioRenamed", on_studio_renamed
},
100 {"StudioStarted", on_studio_started
},
101 {"StudioStopped", on_studio_stopped
},
102 {"StudioCrashed", on_studio_crashed
},
103 {"RoomAppeared", on_room_appeared
},
104 {"RoomDisappeared", on_room_disappeared
},
108 bool studio_proxy_init(void)
110 if (!dbus_register_object_signal_hooks(
118 log_error("dbus_register_object_signal_hooks() failed");
125 void studio_proxy_uninit(void)
127 dbus_unregister_object_signal_hooks(g_dbus_connection
, SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
);
130 bool studio_proxy_get_name(char ** name_ptr
)
133 if (!dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "GetName", "", "s", &name
))
138 *name_ptr
= strdup(name
);
139 if (*name_ptr
== NULL
)
141 log_error("strdup() failed to duplicate studio name");
148 bool studio_proxy_rename(const char * name
)
150 return dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "Rename", "s", &name
, "");
153 bool studio_proxy_save(void)
155 return dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "Save", "", "");
158 bool studio_proxy_unload(void)
160 return dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "Unload", "", "");
163 void studio_proxy_set_renamed_callback(void (* callback
)(const char * new_studio_name
))
165 g_renamed_callback
= callback
;
168 void studio_proxy_set_startstop_callbacks(void (* started_callback
)(void), void (* stopped_callback
)(void), void (* crashed_callback
)(void))
170 g_started_callback
= started_callback
;
171 g_stopped_callback
= stopped_callback
;
172 g_crashed_callback
= crashed_callback
;
175 bool studio_proxy_start(void)
177 return dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "Start", "", "");
180 bool studio_proxy_stop(void)
182 return dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "Stop", "", "");
185 bool studio_proxy_is_started(bool * is_started_ptr
)
187 dbus_bool_t is_started
;
189 if (!dbus_call(SERVICE_NAME
, STUDIO_OBJECT_PATH
, IFACE_STUDIO
, "IsStarted", "", "b", &is_started
))
194 *is_started_ptr
= is_started
;