server.c

client.c

#include <graviton/client/cloud.h>
#include <stdlib.h>

static void
cb_browse (GravitonCloud *cloud, GravitonServiceEvent event, GravitonServiceInterface *iface, gpointer user_data)
{
  GError *error = NULL;
  switch (event) {
    case GRAVITON_SERVICE_NEW:
      g_print ("Found a door. I'm opening it!\n");
      graviton_service_interface_call_noref (iface, "unlock", &error, NULL);
      break;
    case GRAVITON_SERVICE_ALL_FOR_NOW:
      exit(0);
      break;
  }
}

int main(int argc, char** argv)
{
  GMainLoop *loop;
  GravitonCloud *cloud;

#if !GLIB_CHECK_VERSION(2, 35, 0)
  g_type_init ();
#endif

  loop = g_main_loop_new (NULL, 0);
  cloud = graviton_cloud_new_default_cloud ();

  graviton_cloud_find_service_interfaces (cloud, "net:phrobo:clavis:lock", cb_browse, NULL);

  g_main_loop_run (loop);

}

server.c

#include <geepio/pin.h>
#include <graviton/server/server.h>
#include <graviton/server/service.h>

static GVariant*
cb_unlock (GravitonService *control, GHashTable *args, GError **error, gpointer user_data)
{
  GeepioPin *pin = GEEPIO_PIN (user_data);
  g_print ("BUZZZZ\n");
  geepio_pin_set_value (pin, GEEPIO_PIN_VALUE_HIGH, NULL);
  sleep (5);
  g_print ("Locked!\n");
  geepio_pin_set_value (pin, GEEPIO_PIN_VALUE_LOW, NULL);
  return NULL;
}

int main(int argc, char** argv)
{
  GMainLoop *loop;
  GravitonServer *server;
  GeepioPin *pin;
  GravitonRootService *root;
  GravitonService *clavisService;

#if !GLIB_CHECK_VERSION(2, 36, 0)
  g_type_init ();
#endif

  loop = g_main_loop_new (NULL, 0);
  server = graviton_server_new ();
  pin = geepio_pin_new (7);

  //geepio_pin_export (pin, NULL);
  /*g_object_set (pin,
    "direction", GEEPIO_PIN_DIRECTION_OUT,
    "value", GEEPIO_PIN_VALUE_LOW,
    "edge-mode", GEEPIO_PIN_EDGE_NONE,
    "active-low", GEEPIO_PIN_ACTIVE_LOW_DISABLED, NULL);*/

  root = graviton_server_get_root_service (server);
  clavisService = graviton_service_new ("net:phrobo:clavis:lock");

  graviton_service_add_subservice (GRAVITON_SERVICE (root), clavisService);
  graviton_service_add_method (clavisService, "unlock", cb_unlock, pin, NULL);

  graviton_server_run_async (server);
  g_main_loop_run (loop);
}