266 lines
6.9 KiB
C
266 lines
6.9 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2009, 2010 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains implementation of code that interfaces
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* the ladishd Control object through D-Bus
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**************************************************************************
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*
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* LADI Session Handler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* LADI Session Handler 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "control_proxy.h"
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static bool g_clean_exit;
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static void on_studio_appeared(void * context, DBusMessage * message_ptr)
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{
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log_info("StudioAppeared");
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control_proxy_on_studio_appeared(false);
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}
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static void on_studio_disappeared(void * context, DBusMessage * message_ptr)
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{
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log_info("StudioDisappeared");
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control_proxy_on_studio_disappeared();
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}
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static void on_clean_exit(void * context, DBusMessage * message_ptr)
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{
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g_clean_exit = true;
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}
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/* this must be static because it is referenced by the
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* dbus helper layer when hooks are active */
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static struct dbus_signal_hook g_signal_hooks[] =
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{
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{"StudioAppeared", on_studio_appeared},
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{"StudioDisappeared", on_studio_disappeared},
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{"CleanExit", on_clean_exit},
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{NULL, NULL}
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};
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static bool control_proxy_is_studio_loaded(bool * present_ptr)
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{
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dbus_bool_t present;
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "IsStudioLoaded", "", "b", &present))
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{
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return false;
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}
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*present_ptr = present;
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return true;
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}
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void on_lifestatus_changed(bool appeared)
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{
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if (appeared)
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{
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control_proxy_on_daemon_appeared();
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}
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else
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{
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control_proxy_on_daemon_disappeared(g_clean_exit);
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}
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g_clean_exit = false;
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}
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bool control_proxy_init(void)
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{
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bool studio_present;
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g_clean_exit = false;
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if (!control_proxy_is_studio_loaded(&studio_present))
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{
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return true;
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}
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control_proxy_on_daemon_appeared();
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if (!dbus_register_service_lifetime_hook(g_dbus_connection, SERVICE_NAME, on_lifestatus_changed))
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{
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control_proxy_on_daemon_disappeared(true);
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return false;
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}
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if (studio_present)
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{
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log_info("Initial studio appear");
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control_proxy_on_studio_appeared(true);
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}
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if (!dbus_register_object_signal_hooks(g_dbus_connection, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, NULL, g_signal_hooks))
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{
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if (studio_present)
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{
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control_proxy_on_studio_disappeared();
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}
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control_proxy_on_daemon_disappeared(true);
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return false;
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}
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return true;
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}
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void control_proxy_uninit(void)
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{
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dbus_unregister_object_signal_hooks(g_dbus_connection, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL);
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dbus_unregister_service_lifetime_hook(g_dbus_connection, SERVICE_NAME);
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}
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void control_proxy_ping(void)
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{
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bool studio_present;
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control_proxy_is_studio_loaded(&studio_present);
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}
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bool control_proxy_get_studio_list(void (* callback)(void * context, const char * studio_name), void * context)
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{
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DBusMessage * reply_ptr;
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const char * reply_signature;
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DBusMessageIter top_iter;
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DBusMessageIter struct_iter;
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DBusMessageIter array_iter;
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const char * studio_name;
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "GetStudioList", "", NULL, &reply_ptr))
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{
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log_error("GetStudioList() failed.");
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return false;
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}
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reply_signature = dbus_message_get_signature(reply_ptr);
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if (strcmp(reply_signature, "a(sa{sv})") != 0)
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{
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log_error("GetStudioList() reply signature mismatch. '%s'", reply_signature);
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dbus_message_unref(reply_ptr);
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return false;
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}
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dbus_message_iter_init(reply_ptr, &top_iter);
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for (dbus_message_iter_recurse(&top_iter, &array_iter);
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dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_INVALID;
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dbus_message_iter_next(&array_iter))
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{
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dbus_message_iter_recurse(&array_iter, &struct_iter);
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dbus_message_iter_get_basic(&struct_iter, &studio_name);
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callback(context, studio_name);
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dbus_message_iter_next(&struct_iter);
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dbus_message_iter_next(&struct_iter);
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}
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dbus_message_unref(reply_ptr);
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return true;
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}
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bool control_proxy_new_studio(const char * studio_name)
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{
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if (studio_name == NULL)
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{
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studio_name = "";
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}
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "NewStudio", "s", &studio_name, ""))
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{
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log_error("NewStudio() failed.");
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return false;
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}
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return true;
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}
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bool control_proxy_load_studio(const char * studio_name)
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{
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "LoadStudio", "s", &studio_name, ""))
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{
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log_error("LoadStudio() failed.");
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return false;
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}
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return true;
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}
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bool control_proxy_delete_studio(const char * studio_name)
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{
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "DeleteStudio", "s", &studio_name, ""))
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{
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log_error("DeleteStudio() failed.");
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return false;
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}
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return true;
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}
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bool control_proxy_exit(void)
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{
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "Exit", "", ""))
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{
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log_error("Exit() failed.");
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return false;
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}
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return true;
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}
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bool control_proxy_get_room_template_list(void (* callback)(void * context, const char * template_name), void * context)
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{
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DBusMessage * reply_ptr;
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const char * reply_signature;
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DBusMessageIter top_iter;
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DBusMessageIter struct_iter;
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DBusMessageIter array_iter;
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const char * name;
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if (!dbus_call(0, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "GetRoomTemplateList", "", NULL, &reply_ptr))
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{
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log_error("GetRoomTemplateList() failed.");
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return false;
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}
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reply_signature = dbus_message_get_signature(reply_ptr);
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if (strcmp(reply_signature, "a(sa{sv})") != 0)
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{
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log_error("GetRoomTemplateList() reply signature mismatch. '%s'", reply_signature);
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dbus_message_unref(reply_ptr);
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return false;
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}
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dbus_message_iter_init(reply_ptr, &top_iter);
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for (dbus_message_iter_recurse(&top_iter, &array_iter);
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dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_INVALID;
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dbus_message_iter_next(&array_iter))
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{
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dbus_message_iter_recurse(&array_iter, &struct_iter);
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dbus_message_iter_get_basic(&struct_iter, &name);
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callback(context, name);
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dbus_message_iter_next(&struct_iter);
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dbus_message_iter_next(&struct_iter);
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}
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dbus_message_unref(reply_ptr);
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return true;
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}
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