2 This file is part of GNUnet.
3 (C) 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
23 #include "gnunet_disk_lib.h"
24 #include "gnunet_getopt_lib.h"
25 #include "gnunet_protocols.h"
26 #include "gnunet_service_lib.h"
27 #include "gnunet_statistics_service.h"
28 #include "gnunet_strings_lib.h"
29 #include "gnunet_time_lib.h"
33 transmit_shutdown_ack (void *cls, size_t size, void *buf)
35 struct GNUNET_SERVER_Client *client = cls;
36 struct GNUNET_MessageHeader *msg;
38 if (size < sizeof (struct GNUNET_MessageHeader))
40 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
41 _("Failed to transmit shutdown ACK.\n"));
42 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
43 return 0; /* client disconnected */
46 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Transmitting shutdown ACK.\n"));
48 msg = (struct GNUNET_MessageHeader *) buf;
49 msg->type = htons (GNUNET_MESSAGE_TYPE_ARM_SHUTDOWN);
50 msg->size = htons (sizeof (struct GNUNET_MessageHeader));
51 GNUNET_SERVER_receive_done (client, GNUNET_OK);
52 GNUNET_SERVER_client_drop (client);
53 return sizeof (struct GNUNET_MessageHeader);
57 * Handler for SHUTDOWN message.
59 * @param cls closure (refers to service)
60 * @param client identification of the client
61 * @param message the actual message
64 handle_shutdown (void *cls, struct GNUNET_SERVER_Client *client,
65 const struct GNUNET_MessageHeader *message)
67 GNUNET_SERVER_client_keep (client);
68 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
69 _("Initiating shutdown as requested by client.\n"));
71 GNUNET_SERVER_notify_transmit_ready (client,
72 sizeof (struct GNUNET_MessageHeader),
73 GNUNET_TIME_UNIT_FOREVER_REL,
74 &transmit_shutdown_ack, client);
75 GNUNET_SERVER_client_persist_ (client);
76 GNUNET_SCHEDULER_shutdown ();
81 run (void *cls, struct GNUNET_SERVER_Handle *server,
82 const struct GNUNET_CONFIGURATION_Handle *cfg)
84 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
85 {&handle_shutdown, NULL, GNUNET_MESSAGE_TYPE_ARM_SHUTDOWN,
86 sizeof (struct GNUNET_MessageHeader)},
89 /* process client requests */
90 GNUNET_SERVER_ignore_shutdown (server, GNUNET_YES);
91 GNUNET_SERVER_add_handlers (server, handlers);
96 main (int argc, char *const *argv)
102 GNUNET_SERVICE_run (argc, argv, "do-nothing", GNUNET_SERVICE_OPTION_NONE,
103 &run, NULL)) ? 0 : 1;