275 lines
7.2 KiB
C
275 lines
7.2 KiB
C
/*
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* compile with:
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* gcc -o client client.c `pkg-config --cflags --libs eldbus ecore eina`
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*
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* This simple example connects to an IBus daemon running on the machine.
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* IBus daemon is a dbus daemon running apart from system or session buses.
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*
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* Requires ibus-daemon to be running, for instance:
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* $ ibus-daemon -v -r -s
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*
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* After starting ibus-daemon, check for its address on the file located on
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* ~/.config/ibus/bus/ directory. For instance:
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*
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* $ cat ~/.config/ibus/bus/809ee018614317e782464b8900000029-unix-0
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* # This file is created by ibus-daemon, please do not modify it
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* IBUS_ADDRESS=unix:abstract=/tmp/dbus-VOJaWARY,guid=e0082807a08a81ad22e0d3f551d48d5e
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* IBUS_DAEMON_PID=3697
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*
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* Export or set the IBUS_ADDRESS environment variable and run this program. To exit,
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* just hit ctrl+c
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*/
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#include <stdlib.h>
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#define _GNU_SOURCE
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#include <signal.h>
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#include "Eldbus.h"
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#include <Ecore.h>
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#define IBUS_BUS "org.freedesktop.IBus"
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#define PANEL_BUS "org.freedesktop.IBUS.Panel"
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#define PANEL_INTERFACE "org.freedesktop.IBUS.Panel"
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static int _conn_addr_log_dom = -1;
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#define DBG(...) EINA_LOG_DOM_DBG(_conn_addr_log_dom, __VA_ARGS__)
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#define INF(...) EINA_LOG_DOM_INFO(_conn_addr_log_dom, __VA_ARGS__)
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#define ERR(...) EINA_LOG_DOM_ERR(_conn_addr_log_dom, __VA_ARGS__)
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static Eldbus_Connection *conn;
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static Eldbus_Signal_Handler *acquired;
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static Eldbus_Signal_Handler *lost;
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static void
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on_name_owner_changed(void *data EINA_UNUSED, const char *bus, const char *old_id, const char *new_id EINA_UNUSED)
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{
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INF("Name owner changed: bus=%s | old=%s | new=%s\n", bus, old_id, new_id);
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}
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static void
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on_name_acquired(void *data EINA_UNUSED, const Eldbus_Message *msg)
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{
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const char *error, *error_msg, *name;
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if (eldbus_message_error_get(msg, &error, &error_msg))
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{
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ERR("Name acquired message error: %s: %s\n", error, error_msg);
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return;
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}
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if (!eldbus_message_arguments_get(msg, "s", &name))
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{
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ERR("Error reading message arguments");
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return;
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}
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INF("Name acquired: %s", name);
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}
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static void
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on_name_lost(void *data EINA_UNUSED, const Eldbus_Message *msg)
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{
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const char *error, *error_msg, *name;
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if (eldbus_message_error_get(msg, &error, &error_msg))
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{
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ERR("Name lost message error: %s: %s\n", error, error_msg);
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return;
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}
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if (!eldbus_message_arguments_get(msg, "s", &name))
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{
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ERR("Error reading message arguments");
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return;
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}
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INF("Name lost: %s", name);
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}
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static void
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name_request_cb(void *data EINA_UNUSED, const Eldbus_Message *msg, Eldbus_Pending *pending EINA_UNUSED)
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{
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const char *error, *error_msg;
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unsigned int reply;
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if (eldbus_message_error_get(msg, &error, &error_msg))
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{
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ERR("Name request message error: %s: %s\n", error, error_msg);
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return;
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}
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if (!eldbus_message_arguments_get(msg, "u", &reply))
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{
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ERR("Error reading message arguments");
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return;
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}
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switch (reply)
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{
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case ELDBUS_NAME_REQUEST_REPLY_PRIMARY_OWNER:
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INF("Got primary ownership");
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break;
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case ELDBUS_NAME_REQUEST_REPLY_IN_QUEUE:
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INF("Got queued for ownership");
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break;
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case ELDBUS_NAME_REQUEST_REPLY_EXISTS:
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INF("Already in queue for ownership");
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break;
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case ELDBUS_NAME_REQUEST_REPLY_ALREADY_OWNER:
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INF("Already primary owner");
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break;
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default:
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ERR("Unexpected reply: %d", reply);
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break;
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}
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}
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static Eina_Bool
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main_loop_quit_idler(void *data EINA_UNUSED)
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{
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eldbus_signal_handler_del(acquired);
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eldbus_signal_handler_del(lost);
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eldbus_connection_unref(conn);
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INF("Finishing");
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ecore_main_loop_quit();
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return ECORE_CALLBACK_CANCEL;
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}
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static void
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name_release_cb(void *data EINA_UNUSED, const Eldbus_Message *msg, Eldbus_Pending *pending EINA_UNUSED)
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{
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const char *error, *error_msg;
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unsigned int reply;
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if (eldbus_message_error_get(msg, &error, &error_msg))
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{
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ERR("Name release message error: %s: %s\n", error, error_msg);
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return;
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}
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if (!eldbus_message_arguments_get(msg, "u", &reply))
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{
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ERR("Error reading message arguments");
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return;
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}
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switch (reply)
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{
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case ELDBUS_NAME_RELEASE_REPLY_RELEASED:
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INF("Name released");
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break;
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case ELDBUS_NAME_RELEASE_REPLY_NON_EXISTENT:
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INF("Name non existent");
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break;
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case ELDBUS_NAME_RELEASE_REPLY_NOT_OWNER:
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INF("Not owner");
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break;
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default:
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ERR("Unexpected reply: %d", reply);
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break;
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}
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ecore_idler_add(main_loop_quit_idler, NULL);
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}
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static void
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finish(int foo EINA_UNUSED)
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{
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eldbus_name_release(conn, PANEL_BUS, name_release_cb, NULL);
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}
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int
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main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
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{
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const char *address;
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/* Init */
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if (!eina_init())
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{
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EINA_LOG_ERR("Failed to initialize Eina");
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return 1;
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}
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_conn_addr_log_dom = eina_log_domain_register("connect_address", EINA_COLOR_CYAN);
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if (_conn_addr_log_dom < 0)
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{
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EINA_LOG_ERR("Unable to create 'client' log domain");
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goto exit_eina;
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}
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if (!(address = getenv("IBUS_ADDRESS")))
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{
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ERR("IBUS_ADDRESS environment variable must be set");
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goto exit_eina;
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}
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if (!ecore_init())
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{
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EINA_LOG_ERR("Failed to initialize Ecore");
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goto exit_eina;
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}
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if (!eldbus_init())
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{
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EINA_LOG_ERR("Failed to initialize Eldbus");
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goto exit_ecore;
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}
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signal(SIGTERM, finish);
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signal(SIGINT, finish);
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/* Connect */
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printf("Connecting to IBus with address: %s\n", address);
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conn = eldbus_address_connection_get(address);
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if (!conn)
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{
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ERR("Failed to get dbus connection with address '%s'\n", address);
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goto end;
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}
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eldbus_name_owner_changed_callback_add(conn, IBUS_BUS, on_name_owner_changed,
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conn, EINA_TRUE);
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eldbus_name_owner_changed_callback_add(conn, PANEL_BUS, on_name_owner_changed,
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conn, EINA_TRUE);
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acquired = eldbus_signal_handler_add(conn,
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ELDBUS_FDO_BUS,
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ELDBUS_FDO_PATH,
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PANEL_INTERFACE,
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"NameAcquired",
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on_name_acquired,
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NULL);
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lost = eldbus_signal_handler_add(conn,
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ELDBUS_FDO_BUS,
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ELDBUS_FDO_PATH,
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PANEL_INTERFACE,
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"NameLost",
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on_name_lost,
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NULL);
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/* Request ownership of PANEL_BUS */
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eldbus_name_request(conn, PANEL_BUS,
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ELDBUS_NAME_REQUEST_FLAG_REPLACE_EXISTING | ELDBUS_NAME_REQUEST_FLAG_ALLOW_REPLACEMENT,
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name_request_cb, NULL);
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ecore_main_loop_begin();
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end:
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eldbus_shutdown();
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exit_ecore:
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ecore_shutdown();
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eina_log_domain_unregister(_conn_addr_log_dom);
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exit_eina:
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eina_shutdown();
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return 0;
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}
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