2 This file is part of GNUnet
3 (C) 2002, 2003, 2004, 2005, 2006, 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.
22 * @file transport/plugin_transport_http.c
23 * @brief http transport service plugin
24 * @author Matthias Wachs
27 #include "plugin_transport_http.h"
29 #define HTTP_ERROR_RESPONSE "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\"><HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY><H1>Not Found</H1>The requested URL was not found on this server.<P><HR><ADDRESS></ADDRESS></BODY></HTML>"
34 server_log (void *arg, const char *fmt, va_list ap)
38 vsnprintf (text, sizeof (text), fmt, ap);
40 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Server: %s\n", text);
43 struct ServerConnection
48 /* should this connection get disconnected? GNUNET_YES/NO */
51 struct Session *session;
52 struct MHD_Connection * mhd_conn;
56 * Check if incoming connection is accepted.
57 * NOTE: Here every connection is accepted
58 * @param cls plugin as closure
59 * @param addr address of incoming connection
60 * @param addr_len address length of incoming connection
61 * @return MHD_YES if connection is accepted, MHD_NO if connection is rejected
65 server_accept_cb (void *cls, const struct sockaddr *addr, socklen_t addr_len)
67 struct Plugin * plugin = cls;
69 if (plugin->cur_connections <= plugin->max_connections)
73 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Server: Cannot accept new connections\n");
80 * Callback called by MHD when it needs data to send
81 * @param cls current session
82 * @param pos position in buffer
83 * @param buf the buffer to write data to
84 * @param max max number of bytes available in buffer
85 * @return bytes written to buffer
89 server_send_cb (void *cls, uint64_t pos, char *buf, size_t max)
99 server_load_file (const char *file)
101 struct GNUNET_DISK_FileHandle *gn_file;
105 if (0 != STAT (file, &fstat))
107 text = GNUNET_malloc (fstat.st_size + 1);
109 GNUNET_DISK_file_open (file, GNUNET_DISK_OPEN_READ,
110 GNUNET_DISK_PERM_USER_READ);
116 if (GNUNET_SYSERR == GNUNET_DISK_file_read (gn_file, text, fstat.st_size))
119 GNUNET_DISK_file_close (gn_file);
122 text[fstat.st_size] = '\0';
123 GNUNET_DISK_file_close (gn_file);
132 server_load_certificate (struct Plugin *plugin)
139 /* Get crypto init string from config
140 * If not present just use default values */
141 GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg, plugin->name,
142 "CRYPTO_INIT", &plugin->crypto_init);
145 GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
146 "KEY_FILE", &key_file))
148 key_file = "https_key.key";
152 GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
153 "CERT_FILE", &cert_file))
155 cert_file = "https_cert.crt";
158 /* read key & certificates from file */
160 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
161 "Loading TLS certificate from key-file `%s' cert-file`%s'\n",
162 key_file, cert_file);
165 plugin->key = server_load_file (key_file);
166 plugin->cert = server_load_file (cert_file);
168 if ((plugin->key == NULL) || (plugin->cert == NULL))
170 struct GNUNET_OS_Process *cert_creation;
172 GNUNET_free_non_null (plugin->key);
174 GNUNET_free_non_null (plugin->cert);
178 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
179 "No usable TLS certificate found, creating certificate\n");
183 GNUNET_OS_start_process (NULL, NULL,
184 "gnunet-transport-certificate-creation",
185 "gnunet-transport-certificate-creation",
186 key_file, cert_file, NULL);
187 if (cert_creation == NULL)
189 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
191 ("Could not create a new TLS certificate, program `gnunet-transport-certificate-creation' could not be started!\n"));
192 GNUNET_free (key_file);
193 GNUNET_free (cert_file);
195 GNUNET_free_non_null (plugin->key);
196 GNUNET_free_non_null (plugin->cert);
197 GNUNET_free_non_null (plugin->crypto_init);
199 return GNUNET_SYSERR;
201 GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (cert_creation));
202 GNUNET_OS_process_close (cert_creation);
204 plugin->key = server_load_file (key_file);
205 plugin->cert = server_load_file (cert_file);
208 if ((plugin->key == NULL) || (plugin->cert == NULL))
210 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
212 ("No usable TLS certificate found and creating one failed!\n"),
214 GNUNET_free (key_file);
215 GNUNET_free (cert_file);
217 GNUNET_free_non_null (plugin->key);
218 GNUNET_free_non_null (plugin->cert);
219 GNUNET_free_non_null (plugin->crypto_init);
221 return GNUNET_SYSERR;
223 GNUNET_free (key_file);
224 GNUNET_free (cert_file);
226 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TLS certificate loaded\n");
235 * Callback called by MessageStreamTokenizer when a message has arrived
236 * @param cls current session as closure
237 * @param client clien
238 * @param message the message to be forwarded to transport service
241 server_receive_mst_cb (void *cls, void *client,
242 const struct GNUNET_MessageHeader *message)
244 struct Session *s = cls;
246 struct Plugin *plugin = s->plugin;
248 struct GNUNET_TIME_Relative delay;
250 delay = http_plugin_receive (s, &s->target, message, s, s->addr, s->addrlen);
252 s->next_receive = GNUNET_TIME_absolute_add(GNUNET_TIME_absolute_get(), delay);
254 if (delay.rel_value > 0)
257 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name, "Server: peer `%s' address `%s' next read delayed for %llu ms\n",
258 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen), delay);
264 * Callback called by MHD when it needs data to send
265 * @param cls current session
266 * @param pos position in buffer
267 * @param buf the buffer to write data to
268 * @param max max number of bytes available in buffer
269 * @return bytes written to buffer
272 server_send_callback (void *cls, uint64_t pos, char *buf, size_t max)
274 struct Session *s = cls;
276 struct HTTP_Message *msg;
283 if ((msg->size - msg->pos) <= max)
285 memcpy (buf, &msg->buf[msg->pos], (msg->size - msg->pos));
286 bytes_read = msg->size - msg->pos;
287 msg->pos += (msg->size - msg->pos);
291 memcpy (buf, &msg->buf[msg->pos], max);
296 /* removing message */
297 if (msg->pos == msg->size)
299 if (NULL != msg->transmit_cont)
300 msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK);
301 GNUNET_CONTAINER_DLL_remove(s->msg_head, s->msg_tail, msg);
307 struct Plugin *plugin = s->plugin;
308 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
309 "Server: %X: sent %u bytes\n",
316 * Process GET or PUT request received via MHD. For
317 * GET, queue response that will send back our pending
318 * messages. For PUT, process incoming data and send
319 * to GNUnet core. In either case, check if a session
320 * already exists and create a new one if not.
323 server_access_cb (void *cls, struct MHD_Connection *mhd_connection,
324 const char *url, const char *method, const char *version,
325 const char *upload_data, size_t * upload_data_size,
326 void **httpSessionCache)
329 struct Plugin *plugin = cls;
330 struct ServerConnection *sc = *httpSessionCache;
331 struct Session *s = NULL;
334 struct MHD_Response *response;
336 GNUNET_assert (cls != NULL);
341 const union MHD_ConnectionInfo *conn_info;
343 struct GNUNET_PeerIdentity target;
344 int check = GNUNET_NO;
348 conn_info = MHD_get_connection_info (mhd_connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS);
349 if (conn_info->client_addr->sa_family == AF_INET)
350 addrlen = sizeof (struct sockaddr_in);
351 else if (conn_info->client_addr->sa_family == AF_INET6)
352 addrlen = sizeof (struct sockaddr_in6);
356 if ((strlen(&url[1]) >= 105) && (url[104] == ';'))
359 char * tagc = (char *) &url[105];
360 memcpy(&hash, &url[1], 103);
362 if (GNUNET_OK == GNUNET_CRYPTO_hash_from_string ((const char *) &hash, &(target.hashPubKey)))
364 tag = strtoul (tagc, NULL, 10);
370 if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
371 direction = _RECEIVE;
372 if (0 == strcmp (MHD_HTTP_METHOD_GET, method))
375 if (check == GNUNET_NO)
378 plugin->cur_connections++;
381 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
382 "Server: New inbound connection from %s with tag %u\n", GNUNET_i2s(&target), tag);
384 /* find duplicate session */
390 if ((t->inbound) && (0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity))) &&
391 /* FIXME add source address comparison */
399 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
400 "Server: Duplicate session, dismissing new connection from peer `%s'\n", GNUNET_i2s (&target));
405 /* find semi-session */
406 t = plugin->server_semi_head;
410 /* FIXME add source address comparison */
411 if ((0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity))) &&
423 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
424 "Server: Found existing semi-session for `%s'\n", GNUNET_i2s (&target));
427 if ((direction == _SEND) && (t->server_send != NULL))
430 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
431 "Server: Duplicate GET session, dismissing new connection from peer `%s'\n", GNUNET_i2s (&target));
438 GNUNET_CONTAINER_DLL_remove(plugin->server_semi_head, plugin->server_semi_tail, s);
439 GNUNET_CONTAINER_DLL_insert(plugin->head, plugin->tail, s);
441 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
442 "Server: Found matching semi-session, merging session for peer `%s'\n", GNUNET_i2s (&target));
447 if ((direction == _RECEIVE) && (t->server_recv != NULL))
450 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
451 "Server: Duplicate PUT session, dismissing new connection from peer `%s'\n", GNUNET_i2s (&target));
458 GNUNET_CONTAINER_DLL_remove(plugin->server_semi_head, plugin->server_semi_tail, s);
459 GNUNET_CONTAINER_DLL_insert(plugin->head, plugin->tail, s);
461 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
462 "Server: Found matching semi-session, merging session for peer `%s'\n", GNUNET_i2s (&target));
468 /* create new session */
470 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
471 "Server: Creating new session for peer `%s' \n", GNUNET_i2s (&target));
474 s = create_session (plugin,
476 conn_info->client_addr,
481 s->inbound = GNUNET_YES;
482 s->next_receive = GNUNET_TIME_absolute_get_zero();
484 if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
486 if (0 == strcmp (MHD_HTTP_METHOD_GET, method))
488 GNUNET_CONTAINER_DLL_insert (plugin->server_semi_head, plugin->server_semi_tail, s);
493 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
494 "Server: Invalid connection request\n");
496 response = MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE),HTTP_ERROR_RESPONSE, MHD_NO, MHD_NO);
497 res = MHD_queue_response (mhd_connection, MHD_HTTP_NOT_FOUND, response);
498 MHD_destroy_response (response);
501 sc = GNUNET_malloc (sizeof (struct ServerConnection));
502 sc->mhd_conn = mhd_connection;
503 sc->direction = direction;
505 if (direction == _SEND)
507 if (direction == _RECEIVE)
510 int to = (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000);
512 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
513 "Server: Setting Timeout to %u\n", to);
515 MHD_set_connection_option (mhd_connection, MHD_CONNECTION_OPTION_TIMEOUT, to);
517 (*httpSessionCache) = sc;
521 /* existing connection */
522 sc = (*httpSessionCache);
525 /* connection is to be disconnected*/
526 if (sc->disconnect == GNUNET_YES)
528 response = MHD_create_response_from_data (strlen ("Thank you!"), "Thank you!", MHD_NO, MHD_NO);
529 res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
531 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
532 "Sent HTTP/1.1: 200 OK as PUT Response\n");
534 MHD_destroy_response (response);
538 GNUNET_assert (s != NULL);
539 if (sc->direction == _SEND)
541 response = MHD_create_response_from_callback (-1, 32 * 1024, &server_send_callback,
543 res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
544 MHD_destroy_response (response);
547 if (sc->direction == _RECEIVE)
549 if (*upload_data_size == 0)
552 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
553 "Server: Peer `%s' PUT on address `%s' connected\n",
554 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen));
560 if ((*upload_data_size > 0))
563 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
564 "Server: peer `%s' PUT on address `%s' received %Zu bytes\n",
565 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen), *upload_data_size);
567 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get();
568 if (( s->next_receive.abs_value <= now.abs_value))
571 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
572 "Server: %X: PUT with %u bytes forwarded to MST\n", s,
575 if (s->msg_tk == NULL)
577 s->msg_tk = GNUNET_SERVER_mst_create (&server_receive_mst_cb, s);
579 res = GNUNET_SERVER_mst_receive (s->msg_tk, s, upload_data, *upload_data_size, GNUNET_NO, GNUNET_NO);
581 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
582 "Server: Received %Zu bytes\n", *upload_data_size);
584 (*upload_data_size) = 0;
589 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
590 "Server: %X no inbound bandwidth available! Next read was delayed by %llu ms\n", s, now.abs_value - s->next_receive.abs_value);
602 * Function that queries MHD's select sets and
603 * starts the task waiting for them.
604 * @param plugin plugin
605 * @param daemon_handle the MHD daemon handle
606 * @return gnunet task identifier
608 static GNUNET_SCHEDULER_TaskIdentifier
609 server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle);
612 server_disconnect_cb (void *cls, struct MHD_Connection *connection,
613 void **httpSessionCache)
615 struct ServerConnection *sc = *httpSessionCache;
616 struct ServerConnection *tc = *httpSessionCache;
617 struct Session * s = NULL;
618 struct Session * t = NULL;
619 struct Plugin * plugin = NULL;
626 if (sc->direction == _SEND)
629 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
630 "Server: peer `%s' GET on address `%s' disconnected\n",
631 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen));
633 s->server_send = NULL;
635 if (s->server_recv != NULL)
638 tc->disconnect = GNUNET_YES;
639 MHD_set_connection_option (sc->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT, 1);
642 if (sc->direction == _RECEIVE)
645 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
646 "Server: peer `%s' PUT on address `%s' disconnected\n",
647 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen));
649 s->server_recv = NULL;
650 if (s->server_send != NULL)
653 tc->disconnect = GNUNET_YES;
654 MHD_set_connection_option (sc->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT, 1);
656 if (s->msg_tk != NULL)
658 GNUNET_SERVER_mst_destroy(s->msg_tk);
664 t = plugin->server_semi_head;
669 GNUNET_CONTAINER_DLL_remove(plugin->server_semi_head, plugin->server_semi_tail, s);
670 GNUNET_CONTAINER_DLL_insert(plugin->head, plugin->tail, s);
675 plugin->cur_connections--;
677 if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
679 GNUNET_SCHEDULER_cancel(plugin->server_v4_task);
680 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
682 plugin->server_v4_task = server_schedule (plugin, plugin->server_v4);
684 if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
686 GNUNET_SCHEDULER_cancel(plugin->server_v6_task);
687 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
689 plugin->server_v6_task = server_schedule (plugin, plugin->server_v6);
691 if ((s->server_send == NULL) && (s->server_recv == NULL))
694 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
695 "Server: peer `%s' on address `%s' disconnected\n",
696 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen));
698 if (s->msg_tk != NULL)
700 GNUNET_SERVER_mst_destroy(s->msg_tk);
704 notify_session_end(s->plugin, &s->target, s);
709 server_disconnect (struct Session *s)
711 struct Plugin *plugin = s->plugin;
712 struct Session *t = plugin->head;
716 if (t->inbound == GNUNET_YES)
718 if (t->server_send != NULL)
720 ((struct ServerConnection *) t->server_send)->disconnect = GNUNET_YES;
722 if (t->server_send != NULL)
724 ((struct ServerConnection *) t->server_send)->disconnect = GNUNET_YES;
735 server_send (struct Session *s, struct HTTP_Message * msg)
737 GNUNET_CONTAINER_DLL_insert (s->msg_head, s->msg_tail, msg);
744 * Call MHD IPv4 to process pending requests and then go back
745 * and schedule the next run.
746 * @param cls plugin as closure
747 * @param tc task context
750 server_v4_run (void *cls,
751 const struct GNUNET_SCHEDULER_TaskContext *tc)
753 struct Plugin *plugin = cls;
754 GNUNET_assert (cls != NULL);
756 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
758 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
761 GNUNET_assert (MHD_YES == MHD_run (plugin->server_v4));
762 plugin->server_v4_task = server_schedule (plugin, plugin->server_v4);
767 * Call MHD IPv6 to process pending requests and then go back
768 * and schedule the next run.
769 * @param cls plugin as closure
770 * @param tc task context
773 server_v6_run (void *cls,
774 const struct GNUNET_SCHEDULER_TaskContext *tc)
776 struct Plugin *plugin = cls;
777 GNUNET_assert (cls != NULL);
779 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
781 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
784 GNUNET_assert (MHD_YES == MHD_run (plugin->server_v6));
785 plugin->server_v6_task = server_schedule (plugin, plugin->server_v6);
789 * Function that queries MHD's select sets and
790 * starts the task waiting for them.
791 * @param plugin plugin
792 * @param daemon_handle the MHD daemon handle
793 * @return gnunet task identifier
795 static GNUNET_SCHEDULER_TaskIdentifier
796 server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle)
798 GNUNET_SCHEDULER_TaskIdentifier ret;
802 struct GNUNET_NETWORK_FDSet *wrs;
803 struct GNUNET_NETWORK_FDSet *wws;
804 struct GNUNET_NETWORK_FDSet *wes;
806 unsigned long long timeout;
808 struct GNUNET_TIME_Relative tv;
810 ret = GNUNET_SCHEDULER_NO_TASK;
814 wrs = GNUNET_NETWORK_fdset_create ();
815 wes = GNUNET_NETWORK_fdset_create ();
816 wws = GNUNET_NETWORK_fdset_create ();
818 GNUNET_assert (MHD_YES == MHD_get_fdset (daemon_handle, &rs, &ws, &es, &max));
819 haveto = MHD_get_timeout (daemon_handle, &timeout);
820 if (haveto == MHD_YES)
821 tv.rel_value = (uint64_t) timeout;
823 tv = GNUNET_TIME_UNIT_SECONDS;
824 GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max + 1);
825 GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1);
826 GNUNET_NETWORK_fdset_copy_native (wes, &es, max + 1);
827 if (daemon_handle == plugin->server_v4)
829 if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
831 GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
832 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
836 GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
837 GNUNET_SCHEDULER_NO_TASK, tv, wrs, wws,
838 &server_v4_run, plugin);
840 if (daemon_handle == plugin->server_v6)
842 if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
844 GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
845 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
849 GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
850 GNUNET_SCHEDULER_NO_TASK, tv, wrs, wws,
851 &server_v6_run, plugin);
853 GNUNET_NETWORK_fdset_destroy (wrs);
854 GNUNET_NETWORK_fdset_destroy (wws);
855 GNUNET_NETWORK_fdset_destroy (wes);
860 server_start (struct Plugin *plugin)
865 res = server_load_certificate (plugin);
866 if (res == GNUNET_SYSERR)
868 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TABORT\n");
873 plugin->server_v4 = NULL;
874 if (plugin->ipv4 == GNUNET_YES)
876 plugin->server_v4 = MHD_start_daemon (
883 MHD_NO_FLAG, plugin->port,
884 &server_accept_cb, plugin,
885 &server_access_cb, plugin,
886 MHD_OPTION_SOCK_ADDR,
887 (struct sockaddr_in *)
888 plugin->server_addr_v4,
889 MHD_OPTION_CONNECTION_LIMIT,
891 plugin->max_connections,
893 MHD_OPTION_HTTPS_PRIORITIES,
895 MHD_OPTION_HTTPS_MEM_KEY,
897 MHD_OPTION_HTTPS_MEM_CERT,
900 MHD_OPTION_CONNECTION_TIMEOUT,
902 MHD_OPTION_CONNECTION_MEMORY_LIMIT,
904 GNUNET_SERVER_MAX_MESSAGE_SIZE),
905 MHD_OPTION_NOTIFY_COMPLETED,
906 &server_disconnect_cb, plugin,
907 MHD_OPTION_EXTERNAL_LOGGER,
908 server_log, NULL, MHD_OPTION_END);
909 if (plugin->server_v4 == NULL)
912 plugin->server_v6 = NULL;
913 if (plugin->ipv6 == GNUNET_YES)
915 plugin->server_v6 = MHD_start_daemon (
922 MHD_USE_IPv6, plugin->port,
923 &server_accept_cb, plugin,
924 &server_access_cb, plugin,
925 MHD_OPTION_SOCK_ADDR,
926 (struct sockaddr_in6 *)
927 plugin->server_addr_v6,
928 MHD_OPTION_CONNECTION_LIMIT,
930 plugin->max_connections,
932 MHD_OPTION_HTTPS_PRIORITIES,
934 MHD_OPTION_HTTPS_MEM_KEY,
936 MHD_OPTION_HTTPS_MEM_CERT,
939 MHD_OPTION_CONNECTION_TIMEOUT,
941 MHD_OPTION_CONNECTION_MEMORY_LIMIT,
943 GNUNET_SERVER_MAX_MESSAGE_SIZE),
944 MHD_OPTION_NOTIFY_COMPLETED,
945 &server_disconnect_cb, plugin,
946 MHD_OPTION_EXTERNAL_LOGGER,
947 server_log, NULL, MHD_OPTION_END);
949 if (plugin->server_v6 == NULL)
953 if (plugin->server_v4 != NULL)
954 plugin->server_v4_task = server_schedule (plugin, plugin->server_v4);
955 if (plugin->server_v6 != NULL)
956 plugin->server_v6_task = server_schedule (plugin, plugin->server_v6);
959 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
960 "%s server component started on port %u\n", plugin->name,
967 server_stop (struct Plugin *plugin)
969 struct Session *s = NULL;
970 struct Session *t = NULL;
972 if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
974 GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
975 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
978 if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
980 GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
981 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
984 if (plugin->server_v4 != NULL)
986 MHD_stop_daemon (plugin->server_v4);
987 plugin->server_v4 = NULL;
989 if (plugin->server_v6 != NULL)
991 MHD_stop_daemon (plugin->server_v6);
992 plugin->server_v6 = NULL;
995 /* cleaning up semi-sessions never propagated */
996 s = plugin->server_semi_head;
1000 if (s->msg_tk != NULL)
1001 GNUNET_SERVER_mst_destroy(s->msg_tk);
1007 GNUNET_free_non_null (plugin->crypto_init);
1008 GNUNET_free_non_null (plugin->cert);
1009 GNUNET_free_non_null (plugin->key);
1013 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1014 "%s server component stopped\n", plugin->name);
1020 /* end of plugin_transport_http.c */