core: gdbus: Add new gdbus function to send broadcast signal

Add new following new function in order to send broadcast signal
through d-bus interface:
- int pass_gdbus_send_broadcast_signal(char *path, char *interface,
					char *method, GVariant *arg)

Change-Id: I4e08a984f234fb4557e94f446e2d0aea86afc768
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

2 files changed, 43 insertions, 0 deletions

diff --git a/include/pass/gdbus-util.h b/include/pass/gdbus-util.h
index 306e859..f6be0b9 100644
--- a/include/pass/gdbus-util.h
+++ b/include/pass/gdbus-util.h
@@ -19,6 +19,7 @@
 #ifndef __GDBUS_UTIL_H__
 #define __GDBUS_UTIL_H__
 
+#include <glib.h>
 #include <gio/gio.h>
 #include <stdbool.h>
 
@@ -51,6 +52,9 @@ int pass_gdbus_connect_signal(gpointer instance, int num_signals,
 		struct pass_gdbus_signal_info *signal_infos);
 void pass_gdbus_disconnect_signal(gpointer instance, int num_signals,
 		struct pass_gdbus_signal_info *signal_infos);
+int pass_gdbus_send_broadcast_signal(char *path, char *interface,
+		char *method, GVariant *arg);
+
 SystemPassCore *pass_gdbus_get_instance_core(void);
 void pass_gdbus_put_instance_core(SystemPassCore **instance);
 SystemPassPmqos *pass_gdbus_get_instance_pmqos(void);
diff --git a/src/core/gdbus-util.c b/src/core/gdbus-util.c
index 42d21b8..6a672db 100644
--- a/src/core/gdbus-util.c
+++ b/src/core/gdbus-util.c
@@ -188,6 +188,45 @@ void pass_gdbus_disconnect_signal(gpointer instance, int num_signals,
 	}
 }
 
+int pass_gdbus_send_broadcast_signal(char *path, char *interface, char *method,
+					GVariant *arg)
+{
+	GDBusMessage *message = NULL;
+	GError *err = NULL;
+	int ret;
+
+	if (!path || !interface || !method || !arg) {
+		_E("invalid parameter\n");
+		return -EINVAL;
+	}
+
+	if (!g_dbus_sys_conn) {
+		_E("cannot get the dbus connection to system message bus\n");
+		return -ENOSYS;
+	}
+
+	/* Make the dbus message to send broadcast signal */
+	message = g_dbus_message_new_signal(path, interface, method);
+	if (!message) {
+		_E("failed to allocate new %s.%s signal", interface, method);
+		return -EPERM;
+	}
+	g_dbus_message_set_body(message, arg);
+
+	/* Send broadcast signal */
+	ret = g_dbus_connection_send_message(g_dbus_sys_conn, message,
+				G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, &err);
+	if (!ret) {
+		_E("failed to broadcast [%s][%d]", method, arg);
+		g_object_unref(message);
+		return -ECOMM;
+	}
+
+	g_object_unref(message);
+
+	return 0;
+}
+
 static void put_instance(gpointer *instance)
 {
 	g_object_unref(*instance);