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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_ACK);
- 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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