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#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>
#include <gio/gio.h>
#include <gio/gunixfdlist.h>
/* see gdbus-example-server.c for the server implementation */
static gint
get_server_stdout (GDBusConnection *connection,
const gchar *name_owner,
GError **error)
{
GDBusMessage *method_call_message;
GDBusMessage *method_reply_message;
GUnixFDList *fd_list;
gint fd;
fd = -1;
method_call_message = NULL;
method_reply_message = NULL;
method_call_message = g_dbus_message_new_method_call (name_owner,
"/org/gtk/GDBus/TestObject",
"org.gtk.GDBus.TestInterface",
"GimmeStdout");
method_reply_message = g_dbus_connection_send_message_with_reply_sync (connection,
method_call_message,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
-1,
NULL, /* out_serial */
NULL, /* cancellable */
error);
if (method_reply_message == NULL)
goto out;
if (g_dbus_message_get_message_type (method_reply_message) == G_DBUS_MESSAGE_TYPE_ERROR)
{
g_dbus_message_to_gerror (method_reply_message, error);
goto out;
}
fd_list = g_dbus_message_get_unix_fd_list (method_reply_message);
fd = g_unix_fd_list_get (fd_list, 0, error);
out:
g_object_unref (method_call_message);
g_object_unref (method_reply_message);
return fd;
}
static void
on_name_appeared (GDBusConnection *connection,
const gchar *name,
const gchar *name_owner,
gpointer user_data)
{
gint fd;
GError *error;
error = NULL;
fd = get_server_stdout (connection, name_owner, &error);
if (fd == -1)
{
g_printerr ("Error invoking GimmeStdout(): %s\n",
error->message);
g_error_free (error);
exit (1);
}
else
{
gchar now_buf[256];
time_t now;
gssize len;
gchar *str;
now = time (NULL);
strftime (now_buf,
sizeof now_buf,
"%c",
localtime (&now));
str = g_strdup_printf ("On %s, gdbus-example-unix-fd-client with pid %d was here!\n",
now_buf,
(gint) getpid ());
len = strlen (str);
g_warn_if_fail (write (fd, str, len) == len);
close (fd);
g_print ("Wrote the following on server's stdout:\n%s", str);
g_free (str);
exit (0);
}
}
static void
on_name_vanished (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
g_printerr ("Failed to get name owner for %s\n"
"Is ./gdbus-example-server running?\n",
name);
exit (1);
}
int
main (int argc, char *argv[])
{
guint watcher_id;
GMainLoop *loop;
watcher_id = g_bus_watch_name (G_BUS_TYPE_SESSION,
"org.gtk.GDBus.TestServer",
G_BUS_NAME_WATCHER_FLAGS_NONE,
on_name_appeared,
on_name_vanished,
NULL,
NULL);
loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (loop);
g_bus_unwatch_name (watcher_id);
return 0;
}
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