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authorMatthias Wachs <wachs@net.in.tum.de>2012-09-28 09:48:23 +0000
committerMatthias Wachs <wachs@net.in.tum.de>2012-09-28 09:48:23 +0000
commite833cb7d636f4613d3b1d9f77098a049093ef288 (patch)
tree264333e7a7f2e67e090c9360bbdce1eed78b90e4 /src/transport
parent9d7c31dff02f838f635710ad6156e286afbec3f1 (diff)
downloadgnunet-e833cb7d636f4613d3b1d9f77098a049093ef288.tar.gz
gnunet-e833cb7d636f4613d3b1d9f77098a049093ef288.zip
rm old code
Diffstat (limited to 'src/transport')
-rw-r--r--src/transport/plugin_transport_http_client_old.c645
-rw-r--r--src/transport/plugin_transport_http_server_old.c1336
2 files changed, 0 insertions, 1981 deletions
diff --git a/src/transport/plugin_transport_http_client_old.c b/src/transport/plugin_transport_http_client_old.c
deleted file mode 100644
index ff23da974..000000000
--- a/src/transport/plugin_transport_http_client_old.c
+++ /dev/null
@@ -1,645 +0,0 @@
1/*
2 This file is part of GNUnet
3 (C) 2002--2012 Christian Grothoff (and other contributing authors)
4
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.
9
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.
14
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.
19*/
20
21/**
22 * @file transport/plugin_transport_http_client.c
23 * @brief http transport service plugin
24 * @author Matthias Wachs
25 */
26
27#include "plugin_transport_http.h"
28
29static struct Plugin * p;
30
31#if VERBOSE_CURL
32/**
33 * Function to log curl debug messages with GNUNET_log
34 * @param curl handle
35 * @param type curl_infotype
36 * @param data data
37 * @param size size
38 * @param cls closure
39 * @return 0
40 */
41static int
42client_log (CURL * curl, curl_infotype type, char *data, size_t size, void *cls)
43{
44 if (type == CURLINFO_TEXT)
45 {
46 char text[size + 2];
47
48 memcpy (text, data, size);
49 if (text[size - 1] == '\n')
50 text[size] = '\0';
51 else
52 {
53 text[size] = '\n';
54 text[size + 1] = '\0';
55 }
56#if BUILD_HTTPS
57 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "transport-https",
58 "Client: %p - %s", cls, text);
59#else
60 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "transport-http",
61 "Client: %p - %s", cls, text);
62#endif
63 }
64 return 0;
65}
66#endif
67
68/**
69 * Task performing curl operations
70 * @param cls plugin as closure
71 * @param tc gnunet scheduler task context
72 */
73static void
74client_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
75
76
77/**
78 * Function setting up file descriptors and scheduling task to run
79 *
80 * @param plugin plugin as closure
81 * @param now schedule task in 1ms, regardless of what curl may say
82 * @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
83 */
84static int
85client_schedule (struct Plugin *plugin, int now)
86{
87 fd_set rs;
88 fd_set ws;
89 fd_set es;
90 int max;
91 struct GNUNET_NETWORK_FDSet *grs;
92 struct GNUNET_NETWORK_FDSet *gws;
93 long to;
94 CURLMcode mret;
95 struct GNUNET_TIME_Relative timeout;
96
97 /* Cancel previous scheduled task */
98 if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
99 {
100 GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
101 plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
102 }
103 max = -1;
104 FD_ZERO (&rs);
105 FD_ZERO (&ws);
106 FD_ZERO (&es);
107 mret = curl_multi_fdset (plugin->client_mh, &rs, &ws, &es, &max);
108 if (mret != CURLM_OK)
109 {
110 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("%s failed at %s:%d: `%s'\n"),
111 "curl_multi_fdset", __FILE__, __LINE__,
112 curl_multi_strerror (mret));
113 return GNUNET_SYSERR;
114 }
115 mret = curl_multi_timeout (plugin->client_mh, &to);
116 if (to == -1)
117 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1);
118 else
119 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to);
120 if (now == GNUNET_YES)
121 timeout = GNUNET_TIME_UNIT_MILLISECONDS;
122
123 if (mret != CURLM_OK)
124 {
125 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("%s failed at %s:%d: `%s'\n"),
126 "curl_multi_timeout", __FILE__, __LINE__,
127 curl_multi_strerror (mret));
128 return GNUNET_SYSERR;
129 }
130
131 grs = GNUNET_NETWORK_fdset_create ();
132 gws = GNUNET_NETWORK_fdset_create ();
133 GNUNET_NETWORK_fdset_copy_native (grs, &rs, max + 1);
134 GNUNET_NETWORK_fdset_copy_native (gws, &ws, max + 1);
135
136 plugin->client_perform_task =
137 GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
138 timeout, grs, gws,
139 &client_run, plugin);
140 GNUNET_NETWORK_fdset_destroy (gws);
141 GNUNET_NETWORK_fdset_destroy (grs);
142 return GNUNET_OK;
143}
144
145
146int
147client_send (struct Session *s, struct HTTP_Message *msg)
148{
149 GNUNET_assert (s != NULL);
150 GNUNET_CONTAINER_DLL_insert_tail (s->msg_head, s->msg_tail, msg);
151
152 if (GNUNET_YES != exist_session(p, s))
153 {
154 GNUNET_break (0);
155 return GNUNET_SYSERR;
156 }
157 if (s->client_put_paused == GNUNET_YES)
158 {
159 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
160 "Client: %p was suspended, unpausing\n", s->client_put);
161 s->client_put_paused = GNUNET_NO;
162 curl_easy_pause (s->client_put, CURLPAUSE_CONT);
163 }
164 client_schedule (s->plugin, GNUNET_YES);
165
166 return GNUNET_OK;
167}
168
169
170/**
171 * Task performing curl operations
172 *
173 * @param cls plugin as closure
174 * @param tc gnunet scheduler task context
175 */
176static void
177client_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
178{
179 struct Plugin *plugin = cls;
180 int running;
181 CURLMcode mret;
182
183 GNUNET_assert (cls != NULL);
184
185 plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
186 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
187 return;
188
189 do
190 {
191 running = 0;
192 mret = curl_multi_perform (plugin->client_mh, &running);
193
194 CURLMsg *msg;
195 int msgs_left;
196
197 while ((msg = curl_multi_info_read (plugin->client_mh, &msgs_left)))
198 {
199 CURL *easy_h = msg->easy_handle;
200 struct Session *s = NULL;
201 char *d = (char *) s;
202
203 if (easy_h == NULL)
204 {
205 GNUNET_break (0);
206 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
207 "Client: connection to ended with reason %i: `%s', %i handles running\n",
208 msg->data.result,
209 curl_easy_strerror (msg->data.result), running);
210 continue;
211 }
212
213 GNUNET_assert (CURLE_OK ==
214 curl_easy_getinfo (easy_h, CURLINFO_PRIVATE, &d));
215 s = (struct Session *) d;
216
217 if (GNUNET_YES != exist_session(plugin, s))
218 {
219 GNUNET_break (0);
220 return;
221 }
222
223 GNUNET_assert (s != NULL);
224 if (msg->msg == CURLMSG_DONE)
225 {
226 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
227 "Client: %p connection to '%s' %s ended with reason %i: `%s'\n",
228 msg->easy_handle, GNUNET_i2s (&s->target),
229 http_plugin_address_to_string (NULL, s->addr,
230 s->addrlen),
231 msg->data.result,
232 curl_easy_strerror (msg->data.result));
233
234 /* Disconnect other transmission direction and tell transport */
235 client_disconnect (s);
236 }
237 }
238 }
239 while (mret == CURLM_CALL_MULTI_PERFORM);
240 client_schedule (plugin, GNUNET_NO);
241}
242
243
244int
245client_disconnect (struct Session *s)
246{
247 int res = GNUNET_OK;
248 CURLMcode mret;
249 struct Plugin *plugin = s->plugin;
250 struct HTTP_Message *msg;
251 struct HTTP_Message *t;
252
253 if (GNUNET_YES != exist_session(plugin, s))
254 {
255 GNUNET_break (0);
256 return GNUNET_SYSERR;
257 }
258
259 if (s->client_put != NULL)
260 {
261 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
262 "Client: %p / %p Deleting outbound PUT session to peer `%s'\n",
263 s, s->client_put, GNUNET_i2s (&s->target));
264
265 /* remove curl handle from multi handle */
266 mret = curl_multi_remove_handle (plugin->client_mh, s->client_put);
267 if (mret != CURLM_OK)
268 {
269 /* clean up easy handle, handle is now invalid and free'd */
270 res = GNUNET_SYSERR;
271 GNUNET_break (0);
272 }
273 curl_easy_cleanup (s->client_put);
274 s->client_put = NULL;
275 }
276
277
278 if (s->recv_wakeup_task != GNUNET_SCHEDULER_NO_TASK)
279 {
280 GNUNET_SCHEDULER_cancel (s->recv_wakeup_task);
281 s->recv_wakeup_task = GNUNET_SCHEDULER_NO_TASK;
282 }
283
284 if (s->client_get != NULL)
285 {
286 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
287 "Client: %p / %p Deleting outbound GET session to peer `%s'\n",
288 s,
289 s->client_get, GNUNET_i2s (&s->target));
290
291 /* remove curl handle from multi handle */
292 mret = curl_multi_remove_handle (plugin->client_mh, s->client_get);
293 if (mret != CURLM_OK)
294 {
295 /* clean up easy handle, handle is now invalid and free'd */
296 res = GNUNET_SYSERR;
297 GNUNET_break (0);
298 }
299 curl_easy_cleanup (s->client_get);
300 s->client_get = NULL;
301 }
302
303 msg = s->msg_head;
304 while (msg != NULL)
305 {
306 t = msg->next;
307 if (NULL != msg->transmit_cont)
308 msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_SYSERR);
309 GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
310 GNUNET_free (msg);
311 msg = t;
312 }
313
314 plugin->cur_connections -= 2;
315
316 notify_session_end (plugin, &s->target, s);
317
318 GNUNET_assert (plugin->outbound_sessions > 0);
319 plugin->outbound_sessions --;
320 GNUNET_STATISTICS_set (plugin->env->stats,
321 "# HTTP outbound sessions",
322 plugin->outbound_sessions,
323 GNUNET_NO);
324
325 /* Re-schedule since handles have changed */
326 if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
327 {
328 GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
329 plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
330 }
331 client_schedule (plugin, GNUNET_YES);
332
333 return res;
334}
335
336static int
337client_receive_mst_cb (void *cls, void *client,
338 const struct GNUNET_MessageHeader *message)
339{
340 struct Session *s = cls;
341 struct GNUNET_TIME_Relative delay;
342
343 if (GNUNET_YES != exist_session(p, s))
344 {
345 GNUNET_break (0);
346 return GNUNET_OK;
347 }
348
349 delay = http_plugin_receive (s, &s->target, message, s, s->addr, s->addrlen);
350 s->next_receive =
351 GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), delay);
352
353 if (GNUNET_TIME_absolute_get ().abs_value < s->next_receive.abs_value)
354 {
355 struct Plugin *plugin = s->plugin;
356
357 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
358 "Client: peer `%s' address `%s' next read delayed for %llu ms\n",
359 GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen),
360 delay);
361 }
362 return GNUNET_OK;
363}
364
365
366static void
367client_wake_up (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
368{
369 struct Session *s = cls;
370
371 if (GNUNET_YES != exist_session(p, s))
372 {
373 GNUNET_break (0);
374 return;
375 }
376 s->recv_wakeup_task = GNUNET_SCHEDULER_NO_TASK;
377 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
378 return;
379 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
380 "Client: %p Waking up receive handle\n", s->client_get);
381 if (s->client_get != NULL)
382 curl_easy_pause (s->client_get, CURLPAUSE_CONT);
383}
384
385
386/**
387 * Callback method used with libcurl
388 * Method is called when libcurl needs to write data during sending
389 *
390 * @param stream pointer where to write data
391 * @param size size of an individual element
392 * @param nmemb count of elements that can be written to the buffer
393 * @param cls destination pointer, passed to the libcurl handle
394 * @return bytes read from stream
395 */
396static size_t
397client_receive (void *stream, size_t size, size_t nmemb, void *cls)
398{
399 struct Session *s = cls;
400 struct GNUNET_TIME_Absolute now;
401 size_t len = size * nmemb;
402 struct Plugin *plugin = s->plugin;
403
404 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
405 "Client: Received %u bytes from peer `%s'\n", len,
406 GNUNET_i2s (&s->target));
407 now = GNUNET_TIME_absolute_get ();
408 if (now.abs_value < s->next_receive.abs_value)
409 {
410 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
411 struct GNUNET_TIME_Relative delta =
412 GNUNET_TIME_absolute_get_difference (now, s->next_receive);
413 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
414 "Client: %p No inbound bandwidth available! Next read was delayed for %llu ms\n",
415 s->client_get, delta.rel_value);
416 if (s->recv_wakeup_task != GNUNET_SCHEDULER_NO_TASK)
417 {
418 GNUNET_SCHEDULER_cancel (s->recv_wakeup_task);
419 s->recv_wakeup_task = GNUNET_SCHEDULER_NO_TASK;
420 }
421 s->recv_wakeup_task =
422 GNUNET_SCHEDULER_add_delayed (delta, &client_wake_up, s);
423 return CURLPAUSE_ALL;
424 }
425 if (NULL == s->msg_tk)
426 s->msg_tk = GNUNET_SERVER_mst_create (&client_receive_mst_cb, s);
427 GNUNET_SERVER_mst_receive (s->msg_tk, s, stream, len, GNUNET_NO, GNUNET_NO);
428 return len;
429}
430
431
432/**
433 * Callback method used with libcurl
434 * Method is called when libcurl needs to read data during sending
435 *
436 * @param stream pointer where to write data
437 * @param size size of an individual element
438 * @param nmemb count of elements that can be written to the buffer
439 * @param cls source pointer, passed to the libcurl handle
440 * @return bytes written to stream, returning 0 will terminate connection!
441 */
442static size_t
443client_send_cb (void *stream, size_t size, size_t nmemb, void *cls)
444{
445 struct Session *s = cls;
446 struct Plugin *plugin = s->plugin;
447 struct HTTP_Message *msg = s->msg_head;
448 size_t len;
449
450 if (GNUNET_YES != exist_session(plugin, s))
451 {
452 GNUNET_break (0);
453 return 0;
454 }
455 if (NULL == msg)
456 {
457 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
458 "Client: %p Nothing to send! Suspending PUT handle!\n",
459 s->client_put);
460 s->client_put_paused = GNUNET_YES;
461 return CURL_READFUNC_PAUSE;
462 }
463 /* data to send */
464 GNUNET_assert (msg->pos < msg->size);
465 /* calculate how much fits in buffer */
466 len = GNUNET_MIN (msg->size - msg->pos,
467 size * nmemb);
468 memcpy (stream, &msg->buf[msg->pos], len);
469 msg->pos += len;
470 if (msg->pos == msg->size)
471 {
472 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
473 "Client: %p Message with %u bytes sent, removing message from queue\n",
474 s->client_put, msg->size, msg->pos);
475 /* Calling transmit continuation */
476 GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
477 if (NULL != msg->transmit_cont)
478 msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK);
479 GNUNET_free (msg);
480 }
481 return len;
482}
483
484
485int
486client_connect (struct Session *s)
487{
488 struct Plugin *plugin = s->plugin;
489 int res = GNUNET_OK;
490 char *url;
491 CURLMcode mret;
492
493 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
494 "Initiating outbound session peer `%s'\n",
495 GNUNET_i2s (&s->target));
496 s->inbound = GNUNET_NO;
497 plugin->last_tag++;
498 /* create url */
499 GNUNET_asprintf (&url, "%s%s;%u",
500 http_plugin_address_to_string (plugin, s->addr, s->addrlen),
501 GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey),
502 plugin->last_tag);
503#if 0
504 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name, "URL `%s'\n", url);
505#endif
506 /* create get connection */
507 s->client_get = curl_easy_init ();
508#if VERBOSE_CURL
509 curl_easy_setopt (s->client_get, CURLOPT_VERBOSE, 1L);
510 curl_easy_setopt (s->client_get, CURLOPT_DEBUGFUNCTION, &client_log);
511 curl_easy_setopt (s->client_get, CURLOPT_DEBUGDATA, s->client_get);
512#endif
513#if BUILD_HTTPS
514 curl_easy_setopt (s->client_get, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
515 curl_easy_setopt (s->client_get, CURLOPT_SSL_VERIFYPEER, 0);
516 curl_easy_setopt (s->client_get, CURLOPT_SSL_VERIFYHOST, 0);
517#endif
518 curl_easy_setopt (s->client_get, CURLOPT_URL, url);
519 //curl_easy_setopt (s->client_get, CURLOPT_HEADERFUNCTION, &curl_get_header_cb);
520 //curl_easy_setopt (s->client_get, CURLOPT_WRITEHEADER, ps);
521 curl_easy_setopt (s->client_get, CURLOPT_READFUNCTION, client_send_cb);
522 curl_easy_setopt (s->client_get, CURLOPT_READDATA, s);
523 curl_easy_setopt (s->client_get, CURLOPT_WRITEFUNCTION, client_receive);
524 curl_easy_setopt (s->client_get, CURLOPT_WRITEDATA, s);
525 curl_easy_setopt (s->client_get, CURLOPT_TIMEOUT_MS,
526 (long) GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value);
527 curl_easy_setopt (s->client_get, CURLOPT_PRIVATE, s);
528 curl_easy_setopt (s->client_get, CURLOPT_CONNECTTIMEOUT_MS,
529 (long) HTTP_NOT_VALIDATED_TIMEOUT.rel_value);
530 curl_easy_setopt (s->client_get, CURLOPT_BUFFERSIZE,
531 2 * GNUNET_SERVER_MAX_MESSAGE_SIZE);
532#if CURL_TCP_NODELAY
533 curl_easy_setopt (ps->recv_endpoint, CURLOPT_TCP_NODELAY, 1);
534#endif
535
536 /* create put connection */
537 s->client_put = curl_easy_init ();
538#if VERBOSE_CURL
539 curl_easy_setopt (s->client_put, CURLOPT_VERBOSE, 1L);
540 curl_easy_setopt (s->client_put, CURLOPT_DEBUGFUNCTION, &client_log);
541 curl_easy_setopt (s->client_put, CURLOPT_DEBUGDATA, s->client_put);
542#endif
543#if BUILD_HTTPS
544 curl_easy_setopt (s->client_put, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
545 curl_easy_setopt (s->client_put, CURLOPT_SSL_VERIFYPEER, 0);
546 curl_easy_setopt (s->client_put, CURLOPT_SSL_VERIFYHOST, 0);
547#endif
548 curl_easy_setopt (s->client_put, CURLOPT_URL, url);
549 curl_easy_setopt (s->client_put, CURLOPT_PUT, 1L);
550 //curl_easy_setopt (s->client_put, CURLOPT_HEADERFUNCTION, &curl_put_header_cb);
551 //curl_easy_setopt (s->client_put, CURLOPT_WRITEHEADER, ps);
552 curl_easy_setopt (s->client_put, CURLOPT_READFUNCTION, client_send_cb);
553 curl_easy_setopt (s->client_put, CURLOPT_READDATA, s);
554 curl_easy_setopt (s->client_put, CURLOPT_WRITEFUNCTION, client_receive);
555 curl_easy_setopt (s->client_put, CURLOPT_WRITEDATA, s);
556 curl_easy_setopt (s->client_put, CURLOPT_TIMEOUT_MS,
557 (long) GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value);
558 curl_easy_setopt (s->client_put, CURLOPT_PRIVATE, s);
559 curl_easy_setopt (s->client_put, CURLOPT_CONNECTTIMEOUT_MS,
560 (long) HTTP_NOT_VALIDATED_TIMEOUT.rel_value);
561 curl_easy_setopt (s->client_put, CURLOPT_BUFFERSIZE,
562 2 * GNUNET_SERVER_MAX_MESSAGE_SIZE);
563#if CURL_TCP_NODELAY
564 curl_easy_setopt (s->client_put, CURLOPT_TCP_NODELAY, 1);
565#endif
566
567 GNUNET_free (url);
568
569 mret = curl_multi_add_handle (plugin->client_mh, s->client_get);
570 if (mret != CURLM_OK)
571 {
572 curl_easy_cleanup (s->client_get);
573 res = GNUNET_SYSERR;
574 GNUNET_break (0);
575 }
576
577 mret = curl_multi_add_handle (plugin->client_mh, s->client_put);
578 if (mret != CURLM_OK)
579 {
580 curl_multi_remove_handle (plugin->client_mh, s->client_get);
581 curl_easy_cleanup (s->client_get);
582 curl_easy_cleanup (s->client_put);
583 res = GNUNET_SYSERR;
584 GNUNET_break (0);
585 }
586
587 /* Perform connect */
588 plugin->cur_connections += 2;
589
590 plugin->outbound_sessions ++;
591 GNUNET_STATISTICS_set (plugin->env->stats,
592 "# HTTP outbound sessions",
593 plugin->outbound_sessions,
594 GNUNET_NO);
595
596 /* Re-schedule since handles have changed */
597 if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
598 {
599 GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
600 plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
601 }
602 plugin->client_perform_task = GNUNET_SCHEDULER_add_now (client_run, plugin);
603
604 return res;
605}
606
607
608int
609client_start (struct Plugin *plugin)
610{
611 int res = GNUNET_OK;
612 p = plugin;
613
614 curl_global_init (CURL_GLOBAL_ALL);
615 plugin->client_mh = curl_multi_init ();
616
617 if (NULL == plugin->client_mh)
618 {
619 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
620 _
621 ("Could not initialize curl multi handle, failed to start %s plugin!\n"),
622 plugin->name);
623 res = GNUNET_SYSERR;
624 }
625 return res;
626}
627
628
629void
630client_stop (struct Plugin *plugin)
631{
632 p = NULL;
633 if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
634 {
635 GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
636 plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
637 }
638
639 curl_multi_cleanup (plugin->client_mh);
640 curl_global_cleanup ();
641}
642
643
644
645/* end of plugin_transport_http_client.c */
diff --git a/src/transport/plugin_transport_http_server_old.c b/src/transport/plugin_transport_http_server_old.c
deleted file mode 100644
index f81f5cf6e..000000000
--- a/src/transport/plugin_transport_http_server_old.c
+++ /dev/null
@@ -1,1336 +0,0 @@
1/*
2 This file is part of GNUnet
3 (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
4
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.
9
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.
14
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.
19*/
20
21/**
22 * @file transport/plugin_transport_http.c
23 * @brief http transport service plugin
24 * @author Matthias Wachs
25 */
26
27#include "plugin_transport_http.h"
28
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>"
30#define _RECEIVE 0
31#define _SEND 1
32
33static struct Plugin * p;
34
35/**
36 * Function that queries MHD's select sets and
37 * starts the task waiting for them.
38 * @param plugin plugin
39 * @param daemon_handle the MHD daemon handle
40 * @param now schedule now or with MHD delay
41 * @return gnunet task identifier
42 */
43static GNUNET_SCHEDULER_TaskIdentifier
44server_schedule (struct Plugin *plugin,
45 struct MHD_Daemon *daemon_handle,
46 int now);
47
48static void
49server_log (void *arg, const char *fmt, va_list ap)
50{
51 char text[1024];
52
53 vsnprintf (text, sizeof (text), fmt, ap);
54 va_end (ap);
55 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Server: %s\n", text);
56}
57
58/**
59 * Check if incoming connection is accepted.
60 * NOTE: Here every connection is accepted
61 * @param cls plugin as closure
62 * @param addr address of incoming connection
63 * @param addr_len address length of incoming connection
64 * @return MHD_YES if connection is accepted, MHD_NO if connection is rejected
65 *
66 */
67static int
68server_accept_cb (void *cls, const struct sockaddr *addr, socklen_t addr_len)
69{
70 struct Plugin *plugin = cls;
71
72 if (plugin->cur_connections <= plugin->max_connections)
73 return MHD_YES;
74 else
75 {
76 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
77 "Server: Cannot accept new connections\n");
78 return MHD_NO;
79 }
80}
81
82
83#if BUILD_HTTPS
84static char *
85server_load_file (const char *file)
86{
87 struct GNUNET_DISK_FileHandle *gn_file;
88 uint64_t fsize;
89 char *text = NULL;
90
91 if (GNUNET_OK != GNUNET_DISK_file_size (file,
92 &fsize, GNUNET_NO, GNUNET_YES))
93 return NULL;
94 text = GNUNET_malloc (fsize + 1);
95 gn_file =
96 GNUNET_DISK_file_open (file, GNUNET_DISK_OPEN_READ,
97 GNUNET_DISK_PERM_USER_READ);
98 if (gn_file == NULL)
99 {
100 GNUNET_free (text);
101 return NULL;
102 }
103 if (GNUNET_SYSERR == GNUNET_DISK_file_read (gn_file, text, fsize))
104 {
105 GNUNET_free (text);
106 GNUNET_DISK_file_close (gn_file);
107 return NULL;
108 }
109 text[fsize] = '\0';
110 GNUNET_DISK_file_close (gn_file);
111 return text;
112}
113#endif
114
115
116#if BUILD_HTTPS
117
118static int
119server_load_certificate (struct Plugin *plugin)
120{
121 int res = GNUNET_OK;
122
123 char *key_file;
124 char *cert_file;
125
126 /* Get crypto init string from config
127 * If not present just use default values */
128
129 GNUNET_assert (GNUNET_OK ==
130 GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg,
131 plugin->name,
132 "CRYPTO_INIT",
133 &plugin->crypto_init));
134
135 if (GNUNET_OK !=
136 GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
137 "KEY_FILE", &key_file))
138 {
139 key_file = GNUNET_strdup ("https_key.key");
140 }
141
142 if (GNUNET_OK !=
143 GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
144 "CERT_FILE", &cert_file))
145 {
146 GNUNET_asprintf (&cert_file, "%s", "https_cert.crt");
147 }
148
149 /* read key & certificates from file */
150 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
151 "Loading TLS certificate from key-file `%s' cert-file`%s'\n",
152 key_file, cert_file);
153
154 plugin->key = server_load_file (key_file);
155 plugin->cert = server_load_file (cert_file);
156
157 if ((plugin->key == NULL) || (plugin->cert == NULL))
158 {
159 struct GNUNET_OS_Process *cert_creation;
160
161 GNUNET_free_non_null (plugin->key);
162 plugin->key = NULL;
163 GNUNET_free_non_null (plugin->cert);
164 plugin->cert = NULL;
165
166 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
167 "No usable TLS certificate found, creating certificate\n");
168 errno = 0;
169 cert_creation =
170 GNUNET_OS_start_process (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL,
171 "gnunet-transport-certificate-creation",
172 "gnunet-transport-certificate-creation",
173 key_file, cert_file, NULL);
174 if (cert_creation == NULL)
175 {
176 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
177 _
178 ("Could not create a new TLS certificate, program `gnunet-transport-certificate-creation' could not be started!\n"));
179 GNUNET_free (key_file);
180 GNUNET_free (cert_file);
181
182 GNUNET_free_non_null (plugin->key);
183 plugin->key = NULL;
184 GNUNET_free_non_null (plugin->cert);
185 plugin->cert = NULL;
186 GNUNET_free_non_null (plugin->crypto_init);
187 plugin->crypto_init = NULL;
188
189 return GNUNET_SYSERR;
190 }
191 GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (cert_creation));
192 GNUNET_OS_process_destroy (cert_creation);
193
194 plugin->key = server_load_file (key_file);
195 plugin->cert = server_load_file (cert_file);
196 }
197
198 if ((plugin->key == NULL) || (plugin->cert == NULL))
199 {
200 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
201 _
202 ("No usable TLS certificate found and creating one failed!\n"),
203 "transport-https");
204 GNUNET_free (key_file);
205 GNUNET_free (cert_file);
206
207 GNUNET_free_non_null (plugin->key);
208 plugin->key = NULL;
209 GNUNET_free_non_null (plugin->cert);
210 plugin->cert = NULL;
211 GNUNET_free_non_null (plugin->crypto_init);
212 plugin->crypto_init = NULL;
213
214 return GNUNET_SYSERR;
215 }
216 GNUNET_free (key_file);
217 GNUNET_free (cert_file);
218 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TLS certificate loaded\n");
219 return res;
220}
221#endif
222
223
224/**
225 * Reschedule the execution of both IPv4 and IPv6 server
226 * @param plugin the plugin
227 * @param server which server to schedule v4 or v6?
228 * @param now GNUNET_YES to schedule execution immediately, GNUNET_NO to wait
229 * until timeout
230 */
231static void
232server_reschedule (struct Plugin *plugin, struct MHD_Daemon *server, int now)
233{
234 if ((server == plugin->server_v4) && (plugin->server_v4 != NULL))
235 {
236 if (GNUNET_YES == plugin->server_v4_immediately)
237 return; /* No rescheduling, server will run asap */
238
239 if (GNUNET_YES == now)
240 plugin->server_v4_immediately = GNUNET_YES;
241
242 if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
243 {
244 GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
245 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
246 }
247 plugin->server_v4_task = server_schedule (plugin, plugin->server_v4, now);
248 }
249
250 if ((server == plugin->server_v6) && (plugin->server_v6 != NULL))
251 {
252 if (GNUNET_YES == plugin->server_v6_immediately)
253 return; /* No rescheduling, server will run asap */
254
255 if (GNUNET_YES == now)
256 plugin->server_v6_immediately = GNUNET_YES;
257
258 if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
259 {
260 GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
261 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
262 }
263 plugin->server_v6_task = server_schedule (plugin, plugin->server_v6, now);
264 }
265}
266
267/**
268 * Callback called by MessageStreamTokenizer when a message has arrived
269 * @param cls current session as closure
270 * @param client clien
271 * @param message the message to be forwarded to transport service
272 */
273static int
274server_receive_mst_cb (void *cls, void *client,
275 const struct GNUNET_MessageHeader *message)
276{
277 struct Session *s = cls;
278
279 GNUNET_assert (NULL != p);
280 if (GNUNET_NO == exist_session(p, s))
281 return GNUNET_OK;
282
283 struct Plugin *plugin = s->plugin;
284 struct GNUNET_TIME_Relative delay;
285
286 delay = http_plugin_receive (s, &s->target, message, s, s->addr, s->addrlen);
287
288 s->next_receive =
289 GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), delay);
290
291 if (delay.rel_value > 0)
292 {
293 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
294 "Server: peer `%s' address `%s' next read delayed for %llu ms\n",
295 GNUNET_i2s (&s->target),
296 http_plugin_address_to_string (NULL, s->addr, s->addrlen),
297 delay);
298 }
299 return GNUNET_OK;
300}
301
302
303/**
304 * Callback called by MHD when it needs data to send
305 * @param cls current session
306 * @param pos position in buffer
307 * @param buf the buffer to write data to
308 * @param max max number of bytes available in buffer
309 * @return bytes written to buffer
310 */
311static ssize_t
312server_send_callback (void *cls, uint64_t pos, char *buf, size_t max)
313{
314 struct Session *s = cls;
315 ssize_t bytes_read = 0;
316 struct HTTP_Message *msg;
317
318 GNUNET_assert (NULL != p);
319 if (GNUNET_NO == exist_session(p, s))
320 return 0;
321 msg = s->msg_head;
322 if (NULL != msg)
323 {
324 /* sending */
325 bytes_read = GNUNET_MIN (msg->size - msg->pos,
326 max);
327 memcpy (buf, &msg->buf[msg->pos], bytes_read);
328 msg->pos += bytes_read;
329
330 /* removing message */
331 if (msg->pos == msg->size)
332 {
333 GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
334 if (NULL != msg->transmit_cont)
335 msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK);
336 GNUNET_free (msg);
337 }
338 }
339 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
340 "Server: %p: sent %u bytes\n", s, bytes_read);
341 return bytes_read;
342}
343
344
345static struct Session *
346server_lookup_session (struct Plugin *plugin,
347 struct ServerConnection * sc)
348{
349 struct Session *s;
350
351 for (s = plugin->head; NULL != s; s = s->next)
352 if ((s->server_recv == sc) || (s->server_send == sc))
353 return s;
354 for (s = plugin->server_semi_head; NULL != s; s = s->next)
355 if ((s->server_recv == sc) || (s->server_send == sc))
356 return s;
357 return NULL;
358}
359
360
361static struct ServerConnection *
362server_lookup_serverconnection (struct Plugin *plugin,
363 struct MHD_Connection *mhd_connection, const char *url,
364 const char *method)
365{
366 struct Session *s = NULL;
367 struct Session *t;
368 struct ServerConnection *sc = NULL;
369 const union MHD_ConnectionInfo *conn_info;
370 struct GNUNET_ATS_Information ats;
371 struct IPv4HttpAddress a4;
372 struct IPv6HttpAddress a6;
373 struct sockaddr_in *s4;
374 struct sockaddr_in6 *s6;
375 void *a;
376 size_t a_len;
377 struct GNUNET_PeerIdentity target;
378 uint32_t tag = 0;
379 int direction = GNUNET_SYSERR;
380
381 /* url parsing variables */
382 size_t url_len;
383 char *url_end;
384 char *hash_start;
385 char *hash_end;
386 char *tag_start;
387 char *tag_end;
388
389 conn_info = MHD_get_connection_info (mhd_connection,
390 MHD_CONNECTION_INFO_CLIENT_ADDRESS);
391 if ((conn_info->client_addr->sa_family != AF_INET) &&
392 (conn_info->client_addr->sa_family != AF_INET6))
393 return NULL;
394
395 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
396 "New %s connection from %s\n",
397 method, url);
398 /* URL parsing
399 * URL is valid if it is in the form [peerid[103];tag]*/
400 url_len = strlen (url);
401 url_end = (char *) &url[url_len];
402
403 if (url_len < 105)
404 {
405 goto error; /* too short */
406 }
407 hash_start = strrchr (url, '/');
408 if (NULL == hash_start)
409 {
410 goto error; /* '/' delimiter not found */
411 }
412 if (hash_start >= url_end)
413 {
414 goto error; /* mal formed */
415 }
416 hash_start++;
417
418 hash_end = strrchr (hash_start, ';');
419 if (NULL == hash_end)
420 goto error; /* ';' delimiter not found */
421 if (hash_end >= url_end)
422 {
423 goto error; /* mal formed */
424 }
425
426 if (hash_start >= hash_end)
427 {
428 goto error; /* mal formed */
429 }
430
431 if ((strlen(hash_start) - strlen(hash_end)) != 103)
432 {
433 goto error; /* invalid hash length */
434 }
435
436 char hash[104];
437 memcpy (hash, hash_start, 103);
438 hash[103] = '\0';
439 if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((const char *) hash, &(target.hashPubKey)))
440 {
441 goto error; /* mal formed */
442 }
443
444 if (hash_end >= url_end)
445 {
446 goto error; /* mal formed */
447 }
448
449 tag_start = &hash_end[1];
450 /* Converting tag */
451 tag_end = NULL;
452 tag = strtoul (tag_start, &tag_end, 10);
453 if (tag == 0)
454 {
455 goto error; /* mal formed */
456 }
457 if (tag_end == NULL)
458 {
459 goto error; /* mal formed */
460 }
461 if (tag_end != url_end)
462 {
463 goto error; /* mal formed */
464 }
465
466 if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
467 direction = _RECEIVE;
468 else if (0 == strcmp (MHD_HTTP_METHOD_GET, method))
469 direction = _SEND;
470 else
471 {
472 goto error;
473 }
474
475 plugin->cur_connections++;
476 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
477 "Server: New %s connection from %s with tag %u\n",
478 method,
479 GNUNET_i2s (&target), tag);
480
481 /* find duplicate session */
482 t = plugin->head;
483 while (t != NULL)
484 {
485 if ((t->inbound) &&
486 (0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity)))
487 &&
488 /* FIXME add source address comparison */
489 (t->tag == tag))
490 break;
491 t = t->next;
492 }
493 if (t != NULL)
494 {
495 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
496 "Server: Duplicate session, dismissing new connection from peer `%s'\n",
497 GNUNET_i2s (&target));
498 goto error;
499 }
500
501 /* find semi-session */
502 t = plugin->server_semi_head;
503
504 while (t != NULL)
505 {
506 /* FIXME add source address comparison */
507 if ((0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity)))
508 && (t->tag == tag))
509 {
510 break;
511 }
512 t = t->next;
513 }
514
515 if (t == NULL)
516 goto create;
517 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
518 "Server: Found existing semi-session for `%s'\n",
519 GNUNET_i2s (&target));
520
521 if ((direction == _SEND) && (t->server_send != NULL))
522 {
523 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
524 "Server: Duplicate GET session, dismissing new connection from peer `%s'\n",
525 GNUNET_i2s (&target));
526 goto error;
527 }
528 else
529 {
530 s = t;
531 GNUNET_CONTAINER_DLL_remove (plugin->server_semi_head,
532 plugin->server_semi_tail, s);
533 GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
534 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
535 "Server: Found matching semi-session, merging session for peer `%s'\n",
536 GNUNET_i2s (&target));
537
538 plugin->inbound_sessions ++;
539 GNUNET_STATISTICS_set (plugin->env->stats,
540 "# HTTP inbound sessions",
541 plugin->inbound_sessions,
542 GNUNET_NO);
543 GNUNET_assert (NULL != s);
544 goto found;
545 }
546 if ((direction == _RECEIVE) && (t->server_recv != NULL))
547 {
548 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
549 "Server: Duplicate PUT session, dismissing new connection from peer `%s'\n",
550 GNUNET_i2s (&target));
551 goto error;
552 }
553 else
554 {
555 s = t;
556 GNUNET_CONTAINER_DLL_remove (plugin->server_semi_head,
557 plugin->server_semi_tail, s);
558 GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
559 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
560 "Server: Found matching semi-session, merging session for peer `%s'\n",
561 GNUNET_i2s (&target));
562 plugin->inbound_sessions ++;
563 GNUNET_STATISTICS_set (plugin->env->stats,
564 "# HTTP inbound sessions",
565 plugin->inbound_sessions,
566 GNUNET_NO);
567 GNUNET_assert (NULL != s);
568 goto found;
569 }
570
571create:
572/* create new session */
573 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
574 "Server: Creating new session for peer `%s' \n",
575 GNUNET_i2s (&target));
576 switch (conn_info->client_addr->sa_family)
577 {
578 case (AF_INET):
579 s4 = ((struct sockaddr_in *) conn_info->client_addr);
580 a4.u4_port = s4->sin_port;
581 memcpy (&a4.ipv4_addr, &s4->sin_addr, sizeof (struct in_addr));
582 a = &a4;
583 a_len = sizeof (struct IPv4HttpAddress);
584 ats = plugin->env->get_address_type (plugin->env->cls, (const struct sockaddr *) s4, sizeof (struct sockaddr_in));
585 break;
586 case (AF_INET6):
587 s6 = ((struct sockaddr_in6 *) conn_info->client_addr);
588 a6.u6_port = s6->sin6_port;
589 memcpy (&a6.ipv6_addr, &s6->sin6_addr, sizeof (struct in6_addr));
590 a = &a6;
591 a_len = sizeof (struct IPv6HttpAddress);
592 ats = plugin->env->get_address_type (plugin->env->cls, (const struct sockaddr *) s6, sizeof (struct sockaddr_in6));
593 break;
594 default:
595 GNUNET_break (0);
596 goto error;
597 }
598 s = create_session (plugin, &target, a, a_len);
599 GNUNET_assert (NULL != s);
600 s->ats_address_network_type = ats.value;
601 s->inbound = GNUNET_YES;
602 s->next_receive = GNUNET_TIME_UNIT_ZERO_ABS;
603 s->tag = tag;
604 s->server_recv = NULL;
605 s->server_send = NULL;
606
607 GNUNET_CONTAINER_DLL_insert (plugin->server_semi_head,
608 plugin->server_semi_tail, s);
609 goto found;
610
611error:
612 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
613 "Server: Invalid connection request\n");
614 return NULL;
615
616found:
617 sc = GNUNET_malloc (sizeof (struct ServerConnection));
618 sc->mhd_conn = mhd_connection;
619 sc->direction = direction;
620 sc->session = s;
621 if (direction == _SEND)
622 s->server_send = sc;
623 if (direction == _RECEIVE)
624 s->server_recv = sc;
625
626#if MHD_VERSION >= 0x00090E00
627 int to = (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000);
628
629 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
630 "Server: Setting timeout for %p to %u sec.\n", sc, to);
631 MHD_set_connection_option (mhd_connection, MHD_CONNECTION_OPTION_TIMEOUT, to);
632
633 struct MHD_Daemon *d = NULL;
634
635 if (s->addrlen == sizeof (struct IPv6HttpAddress))
636 d = plugin->server_v6;
637 if (s->addrlen == sizeof (struct IPv4HttpAddress))
638 d = plugin->server_v4;
639
640 server_reschedule (plugin, d, GNUNET_NO);
641#endif
642 return sc;
643}
644
645/**
646 * Process GET or PUT request received via MHD. For
647 * GET, queue response that will send back our pending
648 * messages. For PUT, process incoming data and send
649 * to GNUnet core. In either case, check if a session
650 * already exists and create a new one if not.
651 */
652static int
653server_access_cb (void *cls, struct MHD_Connection *mhd_connection,
654 const char *url, const char *method, const char *version,
655 const char *upload_data, size_t * upload_data_size,
656 void **httpSessionCache)
657{
658 struct Plugin *plugin = cls;
659 struct ServerConnection *sc = *httpSessionCache;
660 struct Session *s;
661 struct MHD_Response *response;
662 int res = MHD_YES;
663
664 GNUNET_assert (cls != NULL);
665 if (sc == NULL)
666 {
667 /* new connection */
668 sc = server_lookup_serverconnection (plugin, mhd_connection, url, method);
669 if (sc != NULL)
670 (*httpSessionCache) = sc;
671 else
672 {
673 response =
674 MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE),
675 HTTP_ERROR_RESPONSE, MHD_NO, MHD_NO);
676 res = MHD_queue_response (mhd_connection, MHD_HTTP_NOT_FOUND, response);
677 MHD_destroy_response (response);
678 return res;
679 }
680 }
681 else
682 {
683 /* 'old' connection */
684 if (NULL == server_lookup_session (plugin, sc))
685 {
686 /* Session was already disconnected */
687 return MHD_NO;
688 }
689 }
690
691 /* existing connection */
692 sc = (*httpSessionCache);
693 s = sc->session;
694
695 GNUNET_assert (NULL != s);
696
697 /* connection is to be disconnected */
698 if (sc->disconnect == GNUNET_YES)
699 {
700 /* Sent HTTP/1.1: 200 OK as PUT Response\ */
701 response =
702 MHD_create_response_from_data (strlen ("Thank you!"), "Thank you!",
703 MHD_NO, MHD_NO);
704 res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
705 MHD_destroy_response (response);
706 return MHD_YES;
707 }
708
709 GNUNET_assert (s != NULL);
710 /* Check if both directions are connected */
711 if ((sc->session->server_recv == NULL) || (sc->session->server_send == NULL))
712 {
713 /* Delayed read from since not both semi-connections are connected */
714 return MHD_YES;
715 }
716
717 if (sc->direction == _SEND)
718 {
719 response =
720 MHD_create_response_from_callback (MHD_SIZE_UNKNOWN,
721 32 * 1024,
722 &server_send_callback, s,
723 NULL);
724 MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
725 MHD_destroy_response (response);
726 return MHD_YES;
727 }
728 if (sc->direction == _RECEIVE)
729 {
730 if (*upload_data_size == 0)
731 {
732 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
733 "Server: Peer `%s' PUT on address `%s' connected\n",
734 GNUNET_i2s (&s->target),
735 http_plugin_address_to_string (NULL, s->addr,
736 s->addrlen));
737 return MHD_YES;
738 }
739
740 /* Receiving data */
741 if ((*upload_data_size > 0))
742 {
743 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
744 "Server: peer `%s' PUT on address `%s' received %u bytes\n",
745 GNUNET_i2s (&s->target),
746 http_plugin_address_to_string (NULL, s->addr,
747 s->addrlen),
748 *upload_data_size);
749 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
750
751 if ((s->next_receive.abs_value <= now.abs_value))
752 {
753 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
754 "Server: %p: PUT with %u bytes forwarded to MST\n", s,
755 *upload_data_size);
756 if (s->msg_tk == NULL)
757 {
758 s->msg_tk = GNUNET_SERVER_mst_create (&server_receive_mst_cb, s);
759 }
760 GNUNET_SERVER_mst_receive (s->msg_tk, s, upload_data,
761 *upload_data_size, GNUNET_NO, GNUNET_NO);
762
763#if MHD_VERSION >= 0x00090E00
764 int to = (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000);
765 struct ServerConnection *t = NULL;
766
767 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
768 "Server: Received %u bytes\n", *upload_data_size);
769 /* Setting timeouts for other connections */
770 if (s->server_recv != NULL)
771 {
772 t = s->server_recv;
773 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
774 "Server: Setting timeout for %p to %u sec.\n", t,
775 to);
776 MHD_set_connection_option (t->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
777 to);
778 }
779 if (s->server_send != NULL)
780 {
781 t = s->server_send;
782 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
783 "Server: Setting timeout for %p to %u sec.\n", t,
784 to);
785 MHD_set_connection_option (t->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
786 to);
787 }
788 struct MHD_Daemon *d = NULL;
789
790 if (s->addrlen == sizeof (struct IPv6HttpAddress))
791 d = plugin->server_v6;
792 if (s->addrlen == sizeof (struct IPv4HttpAddress))
793 d = plugin->server_v4;
794 server_reschedule (plugin, d, GNUNET_NO);
795#endif
796 (*upload_data_size) = 0;
797 }
798 else
799 {
800 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
801 "Server: %p no inbound bandwidth available! Next read was delayed by %llu ms\n",
802 s, now.abs_value - s->next_receive.abs_value);
803 }
804 return MHD_YES;
805 }
806 else
807 return MHD_NO;
808 }
809 return res;
810}
811
812static void
813server_disconnect_cb (void *cls, struct MHD_Connection *connection,
814 void **httpSessionCache)
815{
816 struct ServerConnection *sc = *httpSessionCache;
817 struct ServerConnection *tc = NULL;
818 struct Session *s = NULL;
819 struct Session *t = NULL;
820 struct Plugin *plugin = NULL;
821
822 if (sc == NULL)
823 return;
824
825 if (NULL == (s = server_lookup_session (p, sc)))
826 return;
827
828 GNUNET_assert (NULL != p);
829 if (GNUNET_NO == exist_session(p, s))
830 return;
831
832 plugin = s->plugin;
833 if (sc->direction == _SEND)
834 {
835
836 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
837 "Server: %p peer `%s' GET on address `%s' disconnected\n",
838 s->server_send, GNUNET_i2s (&s->target),
839 http_plugin_address_to_string (NULL, s->addr, s->addrlen));
840 s->server_send = NULL;
841 if (NULL != (tc = s->server_recv))
842 {
843 tc->disconnect = GNUNET_YES;
844 GNUNET_assert (NULL != tc->mhd_conn);
845#if MHD_VERSION >= 0x00090E00
846 MHD_set_connection_option (tc->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
847 1);
848#endif
849 }
850 }
851 if (sc->direction == _RECEIVE)
852 {
853 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
854 "Server: %p peer `%s' PUT on address `%s' disconnected\n",
855 s->server_recv, GNUNET_i2s (&s->target),
856 http_plugin_address_to_string (NULL, s->addr, s->addrlen));
857 s->server_recv = NULL;
858 if (NULL != (tc = s->server_send))
859 {
860 tc->disconnect = GNUNET_YES;
861 GNUNET_assert (NULL != tc->mhd_conn);
862#if MHD_VERSION >= 0x00090E00
863 MHD_set_connection_option (tc->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
864 1);
865#endif
866 }
867 if (s->msg_tk != NULL)
868 {
869 GNUNET_SERVER_mst_destroy (s->msg_tk);
870 s->msg_tk = NULL;
871 }
872 }
873
874 GNUNET_free (sc);
875
876 t = plugin->server_semi_head;
877 while (t != NULL)
878 {
879 if (t == s)
880 {
881 GNUNET_CONTAINER_DLL_remove (plugin->server_semi_head,
882 plugin->server_semi_tail, s);
883 GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
884 break;
885 }
886 t = t->next;
887 }
888 plugin->cur_connections--;
889
890 struct MHD_Daemon *d = NULL;
891
892 if (s->addrlen == sizeof (struct IPv6HttpAddress))
893 d = plugin->server_v6;
894 if (s->addrlen == sizeof (struct IPv4HttpAddress))
895 d = plugin->server_v4;
896 server_reschedule (plugin, d, GNUNET_NO);
897
898 if ((s->server_send == NULL) && (s->server_recv == NULL))
899 {
900 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
901 "Server: peer `%s' on address `%s' disconnected\n",
902 GNUNET_i2s (&s->target),
903 http_plugin_address_to_string (NULL, s->addr, s->addrlen));
904 if (s->msg_tk != NULL)
905 {
906 GNUNET_SERVER_mst_destroy (s->msg_tk);
907 s->msg_tk = NULL;
908 }
909
910 GNUNET_assert (plugin->inbound_sessions > 0);
911 plugin->inbound_sessions --;
912 GNUNET_STATISTICS_set (plugin->env->stats,
913 "# HTTP inbound sessions",
914 plugin->inbound_sessions, GNUNET_NO);
915
916 notify_session_end (s->plugin, &s->target, s);
917 }
918}
919
920int
921server_disconnect (struct Session *s)
922{
923 struct ServerConnection * send;
924 struct ServerConnection * recv;
925
926 send = (struct ServerConnection *) s->server_send;
927 if (s->server_send != NULL)
928 {
929 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
930 "Server: %p / %p Terminating inbound PUT session to peer `%s'\n",
931 s, s->server_send, GNUNET_i2s (&s->target));
932
933 send->disconnect = GNUNET_YES;
934#if MHD_VERSION >= 0x00090E00
935 MHD_set_connection_option (send->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
936 1);
937#endif
938 }
939
940 recv = (struct ServerConnection *) s->server_recv;
941 if (recv != NULL)
942 {
943 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
944 "Server: %p / %p Terminating inbound GET session to peer `%s'\n",
945 s, s->server_recv, GNUNET_i2s (&s->target));
946
947 recv->disconnect = GNUNET_YES;
948#if MHD_VERSION >= 0x00090E00
949 MHD_set_connection_option (recv->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
950 1);
951#endif
952 }
953
954 /* Schedule connection immediately */
955 if (s->addrlen == sizeof (struct IPv4HttpAddress))
956 {
957 server_reschedule (s->plugin, s->plugin->server_v4, GNUNET_YES);
958 }
959 else if (s->addrlen == sizeof (struct IPv6HttpAddress))
960 {
961 server_reschedule (s->plugin, s->plugin->server_v6, GNUNET_YES);
962 }
963 return GNUNET_OK;
964}
965
966int
967server_send (struct Session *s, struct HTTP_Message *msg)
968{
969 GNUNET_CONTAINER_DLL_insert_tail (s->msg_head, s->msg_tail, msg);
970
971 if (s->addrlen == sizeof (struct IPv4HttpAddress))
972 {
973 server_reschedule (s->plugin, s->plugin->server_v4, GNUNET_YES);
974 }
975 else if (s->addrlen == sizeof (struct IPv6HttpAddress))
976 {
977 server_reschedule (s->plugin, s->plugin->server_v6, GNUNET_YES);
978 }
979 else
980 return GNUNET_SYSERR;
981 return GNUNET_OK;
982}
983
984
985
986/**
987 * Call MHD IPv4 to process pending requests and then go back
988 * and schedule the next run.
989 * @param cls plugin as closure
990 * @param tc task context
991 */
992static void
993server_v4_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
994{
995 struct Plugin *plugin = cls;
996
997 GNUNET_assert (cls != NULL);
998
999 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
1000 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
1001 return;
1002#if 0
1003 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1004 "Running IPv4 server\n");
1005#endif
1006 plugin->server_v4_immediately = GNUNET_NO;
1007 GNUNET_assert (MHD_YES == MHD_run (plugin->server_v4));
1008 server_reschedule (plugin, plugin->server_v4, GNUNET_NO);
1009}
1010
1011
1012/**
1013 * Call MHD IPv6 to process pending requests and then go back
1014 * and schedule the next run.
1015 * @param cls plugin as closure
1016 * @param tc task context
1017 */
1018static void
1019server_v6_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1020{
1021 struct Plugin *plugin = cls;
1022
1023 GNUNET_assert (cls != NULL);
1024 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
1025 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
1026 return;
1027#if 0
1028 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1029 "Running IPv6 server\n");
1030#endif
1031 plugin->server_v6_immediately = GNUNET_NO;
1032 GNUNET_assert (MHD_YES == MHD_run (plugin->server_v6));
1033 server_reschedule (plugin, plugin->server_v6, GNUNET_NO);
1034}
1035
1036/**
1037 * Function that queries MHD's select sets and
1038 * starts the task waiting for them.
1039 * @param plugin plugin
1040 * @param daemon_handle the MHD daemon handle
1041 * @return gnunet task identifier
1042 */
1043static GNUNET_SCHEDULER_TaskIdentifier
1044server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle,
1045 int now)
1046{
1047 GNUNET_SCHEDULER_TaskIdentifier ret;
1048 fd_set rs;
1049 fd_set ws;
1050 fd_set es;
1051 struct GNUNET_NETWORK_FDSet *wrs;
1052 struct GNUNET_NETWORK_FDSet *wws;
1053 struct GNUNET_NETWORK_FDSet *wes;
1054 int max;
1055 unsigned MHD_LONG_LONG timeout;
1056 static unsigned long long last_timeout = 0;
1057 int haveto;
1058
1059 struct GNUNET_TIME_Relative tv;
1060
1061 ret = GNUNET_SCHEDULER_NO_TASK;
1062 FD_ZERO (&rs);
1063 FD_ZERO (&ws);
1064 FD_ZERO (&es);
1065 wrs = GNUNET_NETWORK_fdset_create ();
1066 wes = GNUNET_NETWORK_fdset_create ();
1067 wws = GNUNET_NETWORK_fdset_create ();
1068 max = -1;
1069 GNUNET_assert (MHD_YES == MHD_get_fdset (daemon_handle, &rs, &ws, &es, &max));
1070 haveto = MHD_get_timeout (daemon_handle, &timeout);
1071 if (haveto == MHD_YES)
1072 {
1073 if (timeout != last_timeout)
1074 {
1075#if VERBOSE_SERVER
1076 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1077 "SELECT Timeout changed from %llu to %llu\n",
1078 last_timeout, timeout);
1079#endif
1080 last_timeout = timeout;
1081 }
1082 tv.rel_value = (uint64_t) timeout;
1083 }
1084 else
1085 tv = GNUNET_TIME_UNIT_SECONDS;
1086 /* Force immediate run, since we have outbound data to send */
1087 if (now == GNUNET_YES)
1088 tv = GNUNET_TIME_UNIT_MILLISECONDS;
1089 GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max + 1);
1090 GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1);
1091 GNUNET_NETWORK_fdset_copy_native (wes, &es, max + 1);
1092
1093 if (daemon_handle == plugin->server_v4)
1094 {
1095 if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
1096 {
1097 GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
1098 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
1099 }
1100#if 0
1101 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1102 "Scheduling IPv4 server task in %llu ms\n", tv);
1103#endif
1104 ret =
1105 GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
1106 tv, wrs, wws,
1107 &server_v4_run, plugin);
1108 }
1109 if (daemon_handle == plugin->server_v6)
1110 {
1111 if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
1112 {
1113 GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
1114 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
1115 }
1116#if 0
1117 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1118 "Scheduling IPv6 server task in %llu ms\n", tv);
1119#endif
1120 ret =
1121 GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
1122 tv, wrs, wws,
1123 &server_v6_run, plugin);
1124 }
1125 GNUNET_NETWORK_fdset_destroy (wrs);
1126 GNUNET_NETWORK_fdset_destroy (wws);
1127 GNUNET_NETWORK_fdset_destroy (wes);
1128 return ret;
1129}
1130
1131int
1132server_start (struct Plugin *plugin)
1133{
1134 int res = GNUNET_OK;
1135 unsigned int timeout;
1136 p = plugin;
1137 GNUNET_assert (NULL != plugin);
1138
1139#if BUILD_HTTPS
1140 res = server_load_certificate (plugin);
1141 if (res == GNUNET_SYSERR)
1142 {
1143 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
1144 "Could not load or create server certificate! Loading plugin failed!\n");
1145 return res;
1146 }
1147#endif
1148
1149
1150#if MHD_VERSION >= 0x00090E00
1151 timeout = HTTP_NOT_VALIDATED_TIMEOUT.rel_value / 1000;
1152 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1153 "MHD can set timeout per connection! Default time out %u sec.\n",
1154 timeout);
1155#else
1156 timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000;
1157 GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, plugin->name,
1158 "MHD cannot set timeout per connection! Default time out %u sec.\n",
1159 timeout);
1160#endif
1161 plugin->server_v4 = NULL;
1162 if (plugin->ipv4 == GNUNET_YES)
1163 {
1164 plugin->server_v4 = MHD_start_daemon (
1165#if VERBOSE_SERVER
1166 MHD_USE_DEBUG |
1167#endif
1168#if BUILD_HTTPS
1169 MHD_USE_SSL |
1170#endif
1171 MHD_NO_FLAG, plugin->port,
1172 &server_accept_cb, plugin,
1173 &server_access_cb, plugin,
1174 MHD_OPTION_SOCK_ADDR,
1175 (struct sockaddr_in *)
1176 plugin->server_addr_v4,
1177 MHD_OPTION_CONNECTION_LIMIT,
1178 (unsigned int)
1179 plugin->max_connections,
1180#if BUILD_HTTPS
1181 MHD_OPTION_HTTPS_PRIORITIES,
1182 plugin->crypto_init,
1183 MHD_OPTION_HTTPS_MEM_KEY,
1184 plugin->key,
1185 MHD_OPTION_HTTPS_MEM_CERT,
1186 plugin->cert,
1187#endif
1188 MHD_OPTION_CONNECTION_TIMEOUT,
1189 timeout,
1190 MHD_OPTION_CONNECTION_MEMORY_LIMIT,
1191 (size_t) (2 *
1192 GNUNET_SERVER_MAX_MESSAGE_SIZE),
1193 MHD_OPTION_NOTIFY_COMPLETED,
1194 &server_disconnect_cb, plugin,
1195 MHD_OPTION_EXTERNAL_LOGGER,
1196 server_log, NULL, MHD_OPTION_END);
1197 }
1198 plugin->server_v6 = NULL;
1199 if (plugin->ipv6 == GNUNET_YES)
1200 {
1201 plugin->server_v6 = MHD_start_daemon (
1202#if VERBOSE_SERVER
1203 MHD_USE_DEBUG |
1204#endif
1205#if BUILD_HTTPS
1206 MHD_USE_SSL |
1207#endif
1208 MHD_USE_IPv6, plugin->port,
1209 &server_accept_cb, plugin,
1210 &server_access_cb, plugin,
1211 MHD_OPTION_SOCK_ADDR,
1212 (struct sockaddr_in6 *)
1213 plugin->server_addr_v6,
1214 MHD_OPTION_CONNECTION_LIMIT,
1215 (unsigned int)
1216 plugin->max_connections,
1217#if BUILD_HTTPS
1218 MHD_OPTION_HTTPS_PRIORITIES,
1219 plugin->crypto_init,
1220 MHD_OPTION_HTTPS_MEM_KEY,
1221 plugin->key,
1222 MHD_OPTION_HTTPS_MEM_CERT,
1223 plugin->cert,
1224#endif
1225 MHD_OPTION_CONNECTION_TIMEOUT,
1226 timeout,
1227 MHD_OPTION_CONNECTION_MEMORY_LIMIT,
1228 (size_t) (2 *
1229 GNUNET_SERVER_MAX_MESSAGE_SIZE),
1230 MHD_OPTION_NOTIFY_COMPLETED,
1231 &server_disconnect_cb, plugin,
1232 MHD_OPTION_EXTERNAL_LOGGER,
1233 server_log, NULL, MHD_OPTION_END);
1234
1235 }
1236
1237 if ((plugin->ipv4 == GNUNET_YES) && (plugin->server_v4 == NULL))
1238 {
1239 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
1240 "Failed to start %s IPv4 server component on port %u\n",
1241 plugin->name, plugin->port);
1242 return GNUNET_SYSERR;
1243 }
1244 server_reschedule (plugin, plugin->server_v4, GNUNET_NO);
1245
1246 if ((plugin->ipv6 == GNUNET_YES) && (plugin->server_v6 == NULL))
1247 {
1248 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
1249 "Failed to start %s IPv6 server component on port %u\n",
1250 plugin->name, plugin->port);
1251 return GNUNET_SYSERR;
1252 }
1253 server_reschedule (plugin, plugin->server_v6, GNUNET_NO);
1254 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1255 "%s server component started on port %u\n", plugin->name,
1256 plugin->port);
1257 return res;
1258}
1259
1260void
1261server_stop (struct Plugin *plugin)
1262{
1263 struct Session *s = NULL;
1264 struct Session *t = NULL;
1265
1266 struct MHD_Daemon *server_v4_tmp = plugin->server_v4;
1267 plugin->server_v4 = NULL;
1268
1269 struct MHD_Daemon *server_v6_tmp = plugin->server_v6;
1270 plugin->server_v6 = NULL;
1271
1272 if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
1273 {
1274 GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
1275 plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
1276 }
1277
1278 if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
1279 {
1280 GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
1281 plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
1282 }
1283
1284 if (server_v6_tmp != NULL)
1285 {
1286 MHD_stop_daemon (server_v4_tmp);
1287 }
1288 if (server_v6_tmp != NULL)
1289 {
1290 MHD_stop_daemon (server_v6_tmp);
1291 }
1292
1293 /* cleaning up semi-sessions never propagated */
1294 s = plugin->server_semi_head;
1295 while (s != NULL)
1296 {
1297#if VERBOSE_SERVER
1298 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1299 "Deleting semi-sessions %p\n", s);
1300#endif
1301 t = s->next;
1302 struct HTTP_Message *msg = s->msg_head;
1303 struct HTTP_Message *tmp = NULL;
1304
1305 while (msg != NULL)
1306 {
1307 tmp = msg->next;
1308
1309 GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
1310 if (msg->transmit_cont != NULL)
1311 {
1312 msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_SYSERR);
1313 }
1314 GNUNET_free (msg);
1315 msg = tmp;
1316 }
1317
1318 delete_session (s);
1319 s = t;
1320 }
1321
1322 p = NULL;
1323
1324#if BUILD_HTTPS
1325 GNUNET_free_non_null (plugin->crypto_init);
1326 GNUNET_free_non_null (plugin->cert);
1327 GNUNET_free_non_null (plugin->key);
1328#endif
1329
1330 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
1331 "%s server component stopped\n", plugin->name);
1332}
1333
1334
1335
1336/* end of plugin_transport_http.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 07:20:29 +0000