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 code that interfaces
9 * the ladishd Control 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.
28 #include "control_proxy.h"
29 #include "../dbus/helpers.h"
30 #include "../dbus_constants.h"
32 static const char * g_signals
[] =
39 static DBusHandlerResult
message_hook(DBusConnection
* connection
, DBusMessage
* message
, void * data
)
41 const char * object_path
;
43 object_path
= dbus_message_get_path(message
);
44 if (object_path
== NULL
|| strcmp(object_path
, CONTROL_OBJECT_PATH
) != 0)
46 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
49 if (dbus_message_is_signal(message
, IFACE_CONTROL
, "StudioAppeared"))
51 lash_info("StudioAppeared");
52 control_proxy_on_studio_appeared();
53 return DBUS_HANDLER_RESULT_HANDLED
;
56 if (dbus_message_is_signal(message
, IFACE_CONTROL
, "StudioDisappeared"))
58 lash_info("StudioDisappeared");
59 control_proxy_on_studio_disappeared();
60 return DBUS_HANDLER_RESULT_HANDLED
;
63 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
66 static bool control_proxy_is_studio_loaded(bool * present_ptr
)
70 if (!dbus_call_simple(SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, "IsStudioLoaded", "", "b", &present
))
75 *present_ptr
= present
;
80 bool control_proxy_init(void)
84 if (!control_proxy_is_studio_loaded(&studio_present
))
91 lash_info("Initial studio appear");
92 control_proxy_on_studio_appeared();
95 if (!dbus_register_object_signal_handler(g_dbus_connection
, SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, g_signals
, message_hook
, NULL
))
99 control_proxy_on_studio_disappeared();
108 void control_proxy_uninit(void)
110 dbus_unregister_object_signal_handler(g_dbus_connection
, SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, g_signals
, message_hook
, NULL
);
113 bool control_proxy_get_studio_list(void (* callback
)(void * context
, const char * studio_name
), void * context
)
115 DBusMessage
* reply_ptr
;
116 const char * reply_signature
;
117 DBusMessageIter top_iter
;
118 DBusMessageIter struct_iter
;
119 DBusMessageIter array_iter
;
120 const char * studio_name
;
122 if (!dbus_call_simple(SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, "GetStudioList", "", NULL
, &reply_ptr
))
124 lash_error("GetStudioList() failed.");
128 reply_signature
= dbus_message_get_signature(reply_ptr
);
129 if (strcmp(reply_signature
, "a(sa{sv})") != 0)
131 lash_error("GetStudioList() reply signature mismatch. '%s'", reply_signature
);
132 dbus_message_unref(reply_ptr
);
136 dbus_message_iter_init(reply_ptr
, &top_iter
);
137 for (dbus_message_iter_recurse(&top_iter
, &array_iter
);
138 dbus_message_iter_get_arg_type(&array_iter
) != DBUS_TYPE_INVALID
;
139 dbus_message_iter_next(&array_iter
))
141 dbus_message_iter_recurse(&array_iter
, &struct_iter
);
142 dbus_message_iter_get_basic(&struct_iter
, &studio_name
);
143 callback(context
, studio_name
);
144 dbus_message_iter_next(&struct_iter
);
145 dbus_message_iter_next(&struct_iter
);
148 dbus_message_unref(reply_ptr
);
152 bool control_proxy_load_studio(const char * studio_name
)
154 if (!dbus_call_simple(SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, "LoadStudio", "s", &studio_name
, ""))
156 lash_error("LoadStudio() failed.");
163 bool control_proxy_delete_studio(const char * studio_name
)
165 if (!dbus_call_simple(SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, "DeleteStudio", "s", &studio_name
, ""))
167 lash_error("DeleteStudio() failed.");
174 bool control_proxy_exit(void)
176 if (!dbus_call_simple(SERVICE_NAME
, CONTROL_OBJECT_PATH
, IFACE_CONTROL
, "Exit", "", ""))
178 lash_error("Exit() failed.");