rom/dbus/test/dbus-ping.c

   1 /*
   2  * Based on examples from "Connect desktop apps using D-BUS -- Helping
   3  * applications talk to one another", developerWorks 27 Jul 2004,
   4  */
   5
   6 #define DBUS_API_SUBJECT_TO_CHANGE
   7 #include <proto/dbus.h>
   8 #include <proto/dos.h>
   9 #include <proto/exec.h>
  10
  11 #include <stdio.h>
  12
  13 #include "dbus-amiga.h"
  14
  15 struct Library* DBUSBase;
  16
  17 static int run();
  18 static void send_ping(DBusConnection *bus);
  19
  20 int main() {
  21   int rc = 0;
  22
  23   DBUSBase = OpenLibrary("dbus.library", 1);
  24
  25   if (DBUSBase != NULL) {
  26     rc = run();
  27     CloseLibrary(DBUSBase);
  28   }
  29   else {
  30     rc = 20;
  31     fprintf (stderr, "Unable to open dbus.library version 1\n");
  32   }
  33
  34   return rc;
  35 }
  36
  37 static int run() {
  38   void*           ac;
  39   DBusError       error;
  40   DBusConnection* bus;
  41
  42   /* Get a connection to the session bus */
  43   dbus_error_init (&error);
  44   bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
  45
  46   if (!bus) {
  47     fprintf(stderr, "Failed to connect to the D-BUS daemon: %s", error.message);
  48     dbus_error_free(&error);
  49     return 10;
  50   }
  51
  52   /* Set up this connection to work in an Amiga thread */
  53   if (dbus_a_setup_connection(bus)) {
  54     while ((SetSignal(0, 0) & SIGBREAKF_CTRL_C) == 0) {
  55       send_ping(bus);
  56       Delay(50);
  57     }
  58     dbus_a_cleanup_connection(bus);
  59   }
  60
  61   dbus_error_free(&error);
  62   return 0;
  63 }
  64
  65 static void send_ping(DBusConnection *bus)
  66 {
  67   DBusMessage *message;
  68
  69   /* Create a new signal "Ping" on the "com.burtonini.dbus.Signal" interface,
  70    * from the object "/com/burtonini/dbus/ping". */
  71   message = dbus_message_new_signal ("/com/burtonini/dbus/ping",
  72                                      "com.burtonini.dbus.Signal", "Ping");
  73   /* Append the string "Ping!" to the signal */
  74   dbus_message_append_args (message,
  75                             DBUS_TYPE_STRING, "Ping!",
  76                             DBUS_TYPE_INVALID);
  77   /* Send the signal */
  78   dbus_connection_send (bus, message, NULL);
  79   /* Free the signal now we have finished with it */
  80   dbus_message_unref (message);
  81   /* Tell the user we send a signal */
  82   printf("Ping!\n");
  83 }