server.c
#include <gio/gio.h> #include <stdlib.h> #ifdef G_OS_UNIX //#include <gio/gunixfdlist.h> /* For STDOUT_FILENO */ #include <unistd.h> #endif static GDBusNodeInfo *introspection_data = NULL; /* Introspection data for the service we are exporting */ static const gchar introspection_xml[] = "<node>" "<interface name='org.myapp.JelariInterface'>" "<method name='HelloWorld'>" "<arg type='s' name='greeting' direction='in'/>" "<arg type='s' name='response' direction='out'/>" "</method>" "</interface>" "</node>"; static void handle_method_call (GDBusConnection * connection, const gchar * sender, const gchar * object_path, const gchar * interface_name, const gchar * method_name, GVariant * parameters, GDBusMethodInvocation * invocation, gpointer user_data) { g_printf ("Inside Handle Method Call \n"); if (g_strcmp0 (method_name, "HelloWorld") == 0) { const gchar *greeting; gchar *response; g_variant_get (parameters, "(&s)", &greeting); response = g_strdup_printf ("You typed '%s', !!! ", greeting); g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", response)); //g_print ("Sending %s -> to the client ", response); } } static const GDBusInterfaceVTable interface_vtable = { handle_method_call, NULL, NULL }; static void on_bus_acquired (GDBusConnection * connection, const gchar * name, gpointer user_data) { g_print ("\n Inside on_bus_acquired \n"); guint registration_id; registration_id = g_dbus_connection_register_object (connection, "/org/myapp/JelariObject", introspection_data->interfaces[0], &interface_vtable, NULL, /* user_data */ NULL, /* user_data_free_func */ NULL); /* GError** */ g_assert (registration_id > 0); } static void on_name_acquired (GDBusConnection * connection, const gchar * name, gpointer user_data) { } static void on_name_lost (GDBusConnection * connection, const gchar * name, gpointer user_data) { exit (1); } int main (int argc, char **argv) { guint owner_id; GMainLoop *loop; g_type_init (); introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL); g_assert (introspection_data != NULL); owner_id = g_bus_own_name (G_BUS_TYPE_SESSION, "org.myapp.JelariServer", G_BUS_NAME_OWNER_FLAGS_NONE, on_bus_acquired, on_name_acquired, on_name_lost, NULL, NULL); g_print ("\n Owner id is %d ", owner_id); loop = g_main_loop_new (NULL, FALSE); g_main_loop_run (loop); g_bus_unown_name (owner_id); g_dbus_node_info_unref (introspection_data); }Client.c
#include <gio/gio.h> #include <stdlib.h> #ifdef G_OS_UNIX //#include <gio/gunixfdlist.h> /* For STDOUT_FILENO */ #include <unistd.h> #endif GDBusProxy *bproxy; GMainLoop * g_main_loop; void mycallback (GObject * gobj, GAsyncResult * res, gpointer user_data) { g_printf ("\n Inside mycallback\n "); GError *error; GVariant *result; gchar *str; error = NULL; result = g_dbus_proxy_call_finish (bproxy, res, &error); g_variant_get (result, "(s)", &str); g_print ("String from Server is: %s \n", str); g_main_loop_quit(g_main_loop); exit(0); } int main (int argc, char **argv) { GDBusConnection *bcon; GMainLoop *loop; g_type_init (); bcon = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL); bproxy = g_dbus_proxy_new_sync (bcon, G_DBUS_PROXY_FLAGS_NONE, NULL, "org.myapp.JelariServer", "/org/myapp/JelariObject", "org.myapp.JelariInterface", NULL, NULL); g_dbus_proxy_call (bproxy, "HelloWorld", g_variant_new ("(s)", "Wow"), G_DBUS_CALL_FLAGS_NONE, -1, NULL, (GAsyncReadyCallback) mycallback, NULL); g_main_loop = g_main_loop_new(NULL, FALSE); g_main_loop_run(g_main_loop); return 0; }