#include <dbus/dbus.h>
#include <stdbool.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char** argv)
{

   DBusError err;
   dbus_error_init(&err);
   
   DBusConnection *conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
   if (NULL == conn)
      exit(1);

   dbus_bus_add_match(conn, "sender='test.server'", &err);
   dbus_connection_flush(conn);

   if (dbus_error_is_set(&err))
      exit(1); 


   while (true) {
      dbus_connection_read_write(conn, 0);
      DBusMessage *msg = dbus_connection_pop_message(conn);

      if (NULL == msg) { 
         sleep(1);
         continue;
      }

      if (dbus_message_is_signal(msg, "test.server.Event", "Broadcast")) {
         dbus_error_init(&err);

         char *action, *prefix, *name;
         /* !!!! we try to read three arguments while the message contains only two !!! */
         if (!dbus_message_get_args(msg, &err, DBUS_TYPE_STRING, &action, DBUS_TYPE_STRING, &prefix, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
            fprintf(stderr, "Message parsing error: %s\n", err.message);
         else
            printf("Got Signal with value %s %s %s\n", action, prefix, name);
      }

      dbus_message_unref(msg);
   }

   return 0;
}