248 lines
7.1 KiB
C
248 lines
7.1 KiB
C
#include <Eina.h>
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#include <Eldbus.h>
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#include <Ecore.h>
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#define WATCHER_BUS "org.kde.StatusNotifierWatcher"
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#define PATH "/StatusNotifierWatcher"
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#define IFACE "org.kde.StatusNotifierWatcher"
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#define PROTOCOL_VERSION 1
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#define ERROR_HOST_ALREADY_REGISTERED "org.kde.StatusNotifierWatcher.Host.AlreadyRegistered"
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#define ERROR_ITEM_ALREADY_REGISTERED "org.kde.StatusNotifierWatcher.Item.AlreadyRegistered"
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static Eldbus_Connection *conn = NULL;
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static Eldbus_Service_Interface *iface = NULL;
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static Eina_List *items;
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static Eina_List *hosts;
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static Eina_Bool started;
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enum
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{
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ITEM_REGISTERED = 0,
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ITEM_UNREGISTERED,
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HOST_REGISTERED,
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HOST_UNREGISTERED
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};
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static void
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item_name_monitor_cb(void *data, const char *bus, const char *old_id EINA_UNUSED, const char *new_id)
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{
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const char *svc, *service = data;
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if (strcmp(new_id, ""))
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return;
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svc = strchr(service, '/') + 1;
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printf("Item gone!\n");
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eldbus_service_signal_emit(iface, ITEM_UNREGISTERED, svc);
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items = eina_list_remove(items, service);
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eldbus_name_owner_changed_callback_del(conn, bus, item_name_monitor_cb, service);
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eina_stringshare_del(service);
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}
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static Eldbus_Message *
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register_item_cb(const Eldbus_Service_Interface *s_iface, const Eldbus_Message *msg)
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{
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const char *service, *svc;
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char buf[1024];
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Eina_Bool stupid;
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printf("Item registered\n");
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if (!eldbus_message_arguments_get(msg, "s", &service))
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return NULL;
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svc = service;
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/* if stupid, this app does not conform to http://www.freedesktop.org/wiki/Specifications/StatusNotifierItem/
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* and is expecting to have its send id watched as it is not providing a real bus name here */
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stupid = !!strncmp(svc, "org.", 4);
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snprintf(buf, sizeof(buf), "%s/%s", stupid ? eldbus_message_sender_get(msg) : svc, stupid ? svc : "StatusNotifierItem");
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service = eina_stringshare_add(buf);
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if (eina_list_data_find(items, service))
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{
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eina_stringshare_del(service);
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return eldbus_message_error_new(msg, ERROR_ITEM_ALREADY_REGISTERED, "");
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}
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items = eina_list_append(items, service);
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eldbus_service_signal_emit(s_iface, ITEM_REGISTERED, svc);
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eldbus_name_owner_changed_callback_add(conn, stupid ? eldbus_message_sender_get(msg) : svc,
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item_name_monitor_cb, service,
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EINA_FALSE);
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return eldbus_message_method_return_new(msg);
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}
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static void
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host_name_monitor_cb(void *data EINA_UNUSED, const char *bus, const char *old_id EINA_UNUSED, const char *new_id)
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{
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if (strcmp(new_id, ""))
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return;
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printf("Host gone!\n");
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eldbus_service_signal_emit(iface, HOST_UNREGISTERED);
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eldbus_name_owner_changed_callback_del(conn, bus, host_name_monitor_cb, NULL);
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}
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static Eldbus_Message *
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register_host_cb(const Eldbus_Service_Interface *s_iface, const Eldbus_Message *msg)
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{
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const char *tmpservice = NULL, *service;
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printf("Host registed!\n");
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if (!eldbus_message_arguments_get(msg, "s", &tmpservice))
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return NULL;
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service = eina_stringshare_add(tmpservice);
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if (eina_list_data_find(hosts, service))
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{
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eina_stringshare_del(service);
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return eldbus_message_error_new(msg, ERROR_HOST_ALREADY_REGISTERED, "");
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}
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hosts = eina_list_append(hosts, service);
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eldbus_service_signal_emit(s_iface, HOST_REGISTERED);
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eldbus_name_owner_changed_callback_add(conn, eldbus_message_sender_get(msg),
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host_name_monitor_cb, NULL, EINA_FALSE);
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return eldbus_message_method_return_new(msg);
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}
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static Eina_Bool
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properties_get(const Eldbus_Service_Interface *s_iface EINA_UNUSED, const char *propname, Eldbus_Message_Iter *iter, const Eldbus_Message *request_msg EINA_UNUSED, Eldbus_Message **error EINA_UNUSED)
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{
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if (!strcmp(propname, "ProtocolVersion"))
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eldbus_message_iter_basic_append(iter, 'i', PROTOCOL_VERSION);
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else if (!strcmp(propname, "RegisteredStatusNotifierItems"))
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{
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Eldbus_Message_Iter *array;
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Eina_List *l;
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const char *service;
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eldbus_message_iter_arguments_append(iter, "as", &array);
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EINA_LIST_FOREACH(items, l, service)
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{
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eldbus_message_iter_arguments_append(array, "s", service);
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printf("Add %s\n", service);
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}
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eldbus_message_iter_container_close(iter, array);
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}
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else if (!strcmp(propname, "IsStatusNotifierHostRegistered"))
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eldbus_message_iter_arguments_append(iter, "b", EINA_TRUE);
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return EINA_TRUE;
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}
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static const Eldbus_Property properties[] =
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{
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{ "RegisteredStatusNotifierItems", "as", NULL, NULL, 0 },
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{ "IsStatusNotifierHostRegistered", "b", NULL, NULL, 0 },
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{ "ProtocolVersion", "i", NULL, NULL, 0 },
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{ NULL, NULL, NULL, NULL, 0 }
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};
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static const Eldbus_Signal signals[] = {
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{ "StatusNotifierItemRegistered", ELDBUS_ARGS({"s", "service"}), 0 },
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{ "StatusNotifierItemUnregistered", ELDBUS_ARGS({"s", "service"}), 0 },
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{ "StatusNotifierHostRegistered", NULL, 0 },
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{ "StatusNotifierHostUnregistered", NULL, 0 },
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{ NULL, NULL, 0 }
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};
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static const Eldbus_Method methods[] =
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{
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{ "RegisterStatusNotifierItem", ELDBUS_ARGS({"s", "service"}), NULL,
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register_item_cb, 0 },
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{ "RegisterStatusNotifierHost", ELDBUS_ARGS({"s", "service"}), NULL,
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register_host_cb, 0 },
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{ NULL, NULL, NULL, NULL, 0 }
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};
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static const Eldbus_Service_Interface_Desc iface_desc = {
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IFACE, methods, signals, properties, properties_get, NULL
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};
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void
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systray_notifier_dbus_watcher_start(void)
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{
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started = EINA_TRUE;
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iface = eldbus_service_interface_register(conn, PATH, &iface_desc);
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}
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void
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systray_notifier_dbus_watcher_stop(void)
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{
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const char *txt;
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if (!started) return;
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eldbus_service_interface_unregister(iface);
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EINA_LIST_FREE(items, txt)
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{
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char *bus;
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int i;
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for (i = 0; txt[i] != '/'; i++);
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i++;
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bus = malloc(sizeof(char) * i);
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snprintf(bus, i, "%s", txt);
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eldbus_name_owner_changed_callback_del(conn, bus, item_name_monitor_cb, txt);
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free(bus);
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eina_stringshare_del(txt);
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}
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}
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static void
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name_request_cb(void *data, const Eldbus_Message *msg, Eldbus_Pending *pending)
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{
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const char *error, *error_msg;
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unsigned flag;
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Eldbus_Object *obj;
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if (eldbus_message_error_get(msg, &error, &error_msg))
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{
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return;
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}
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if (!eldbus_message_arguments_get(msg, "u", &flag))
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{
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return;
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}
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if (flag == ELDBUS_NAME_REQUEST_REPLY_PRIMARY_OWNER)
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{
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systray_notifier_dbus_watcher_start();
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return;
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}
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else
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{
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//there is allready a daemon
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printf("There is allready a daemon");
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ecore_main_loop_quit();
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return;
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}
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}
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int main(int argc, char **argv)
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{
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eina_init();
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ecore_init();
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eldbus_init();
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conn = eldbus_connection_get(ELDBUS_CONNECTION_TYPE_SESSION);
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eldbus_name_request(conn, WATCHER_BUS, ELDBUS_NAME_REQUEST_FLAG_REPLACE_EXISTING,
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name_request_cb, NULL);
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ecore_main_loop_begin();
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systray_notifier_dbus_watcher_stop();
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eldbus_connection_unref(conn);
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eldbus_shutdown();
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ecore_shutdown();
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eina_shutdown();
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return 1;
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} |