1 files changed, 64 insertions, 0 deletions
diff --git a/frameworks/middleware/examples/dbus/ping-client.c b/frameworks/middleware/examples/dbus/ping-client.c
new file mode 100644
index 0000000..e3035e4
--- /dev/null
+++ b/frameworks/middleware/examples/dbus/ping-client.c
@@ -0,0 +1,64 @@
+#include <glib.h>
+#include <dbus/dbus.h>
+#include <dbus/dbus-glib.h>
+#include <time.h>
+
+static gboolean send_ping (DBusConnection *bus);
+static const char *v_STRING;
+
+int main (int argc, char **argv)
+{
+  GMainLoop *loop;
+  DBusConnection *bus;
+  DBusError error;
+
+	if (argc > 1)
+		v_STRING = argv[1];
+	else
+		v_STRING = "no arg given";
+
+  /* Create a new event loop to run in */
+  loop = g_main_loop_new (NULL, FALSE);
+
+  /* Get a connection to the session bus */
+  dbus_error_init (&error);
+  bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
+  if (!bus) {
+    g_warning ("Failed to connect to the D-BUS daemon: %s", error.message);
+    dbus_error_free (&error);
+    return 1;
+  }
+
+  /* Set up this connection to work in a GLib event loop */
+  dbus_connection_setup_with_g_main (bus, NULL);
+  /* Every second call send_ping() with the bus as an argument*/
+  g_timeout_add (1000, (GSourceFunc)send_ping, bus);
+
+  /* Start the event loop */
+  g_main_loop_run (loop);
+  return 0;
+}
+
+static gboolean send_ping (DBusConnection *bus)
+{
+  DBusMessage *message;
+	struct timespec tx_time;
+	struct timespec done_time;
+
+  message = dbus_message_new_signal ("/de/linutronix/Ping",
+                                     "de.linutronix.Ping", "Ping");
+  /* Append the string to the signal */
+  dbus_message_append_args (message,
+                            DBUS_TYPE_STRING, &v_STRING,
+                            DBUS_TYPE_INVALID);
+	clock_gettime(CLOCK_MONOTONIC, &tx_time);
+  /* Send the signal */
+  dbus_connection_send (bus, message, NULL);
+	clock_gettime(CLOCK_MONOTONIC, &done_time);
+	g_print("%d:%d\n%d:%d\n\n", tx_time.tv_sec, tx_time.tv_nsec/1000,
+		done_time.tv_sec, done_time.tv_nsec/1000);
+  /* Free the signal now we have finished with it */
+  dbus_message_unref (message);
+  /* Return TRUE to tell the event loop we want to be called again */
+  return TRUE;
+}