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/*
This file is part of GNUnet.
(C) 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include "platform.h"
#include "gnunet_disk_lib.h"
#include "gnunet_getopt_lib.h"
#include "gnunet_protocols.h"
#include "gnunet_service_lib.h"
#include "gnunet_statistics_service.h"
#include "gnunet_strings_lib.h"
#include "gnunet_time_lib.h"
static size_t
transmit_shutdown_ack (void *cls, size_t size, void *buf)
{
struct GNUNET_SERVER_Client *client = cls;
struct GNUNET_MessageHeader *msg;
if (size < sizeof (struct GNUNET_MessageHeader))
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Failed to transmit shutdown ACK.\n"));
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return 0; /* client disconnected */
}
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Transmitting shutdown ACK.\n"));
msg = (struct GNUNET_MessageHeader *) buf;
msg->type = htons (GNUNET_MESSAGE_TYPE_ARM_SHUTDOWN);
msg->size = htons (sizeof (struct GNUNET_MessageHeader));
GNUNET_SERVER_receive_done (client, GNUNET_OK);
GNUNET_SERVER_client_drop (client);
return sizeof (struct GNUNET_MessageHeader);
}
/**
* Handler for SHUTDOWN message.
*
* @param cls closure (refers to service)
* @param client identification of the client
* @param message the actual message
*/
static void
handle_shutdown (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
GNUNET_SERVER_client_keep (client);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Initiating shutdown as requested by client.\n"));
GNUNET_SERVER_notify_transmit_ready (client,
sizeof (struct GNUNET_MessageHeader),
GNUNET_TIME_UNIT_FOREVER_REL,
&transmit_shutdown_ack, client);
GNUNET_SERVER_client_persist_ (client);
GNUNET_SCHEDULER_shutdown ();
}
static void
run (void *cls, struct GNUNET_SERVER_Handle *server,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
static const struct GNUNET_SERVER_MessageHandler handlers[] = {
{&handle_shutdown, NULL, GNUNET_MESSAGE_TYPE_ARM_SHUTDOWN,
sizeof (struct GNUNET_MessageHeader)},
{NULL, NULL, 0, 0}
};
/* process client requests */
GNUNET_SERVER_ignore_shutdown (server, GNUNET_YES);
GNUNET_SERVER_add_handlers (server, handlers);
}
int
main (int argc, char *const *argv)
{
int ret;
ret =
(GNUNET_OK ==
GNUNET_SERVICE_run (argc, argv, "do-nothing", GNUNET_SERVICE_OPTION_NONE,
&run, NULL)) ? 0 : 1;
return ret;
}
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