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-rw-r--r--src/transport/gnunet-transport.c1437
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diff --git a/src/transport/gnunet-transport.c b/src/transport/gnunet-transport.c
deleted file mode 100644
index b5ad43770..000000000
--- a/src/transport/gnunet-transport.c
+++ /dev/null
@@ -1,1437 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2011-2014, 2016, 2017 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your 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 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
21/**
22 * @file src/transport/gnunet-transport.c
23 * @brief Tool to help configure, measure and control the transport subsystem.
24 * @author Christian Grothoff
25 * @author Nathan Evans
26 */
27#include "platform.h"
28#include "gnunet_util_lib.h"
29#include "gnunet_resolver_service.h"
30#include "gnunet_protocols.h"
31#include "gnunet_transport_service.h"
32
33/**
34 * Timeout for a name resolution
35 */
36#define RESOLUTION_TIMEOUT \
37 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
38
39/**
40 * Timeout for an operation
41 */
42#define OP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
43
44
45/**
46 * Context to store name resolutions for valiation
47 */
48struct ValidationResolutionContext
49{
50 /**
51 * Next in DLL
52 */
53 struct ValidationResolutionContext *next;
54
55 /**
56 * Previous in DLL
57 */
58 struct ValidationResolutionContext *prev;
59
60 /**
61 * Address to resolve
62 */
63 struct GNUNET_HELLO_Address *addrcp;
64
65 /**
66 * Time of last validation
67 */
68 struct GNUNET_TIME_Absolute last_validation;
69
70 /**
71 * Address is valid until
72 */
73 struct GNUNET_TIME_Absolute valid_until;
74
75 /**
76 * Time of next validation
77 */
78 struct GNUNET_TIME_Absolute next_validation;
79
80 /**
81 * Transport conversion handle
82 */
83 struct GNUNET_TRANSPORT_AddressToStringContext *asc;
84
85 /**
86 * plugin name
87 */
88 char *transport;
89
90 /**
91 * was the entry printed
92 */
93 int printed;
94};
95
96/**
97 * Struct to store information about peers in monitor mode
98 */
99struct MonitoredPeer
100{
101 /**
102 * State of the peer
103 */
104 enum GNUNET_TRANSPORT_PeerState state;
105
106 /**
107 * Timeout
108 */
109 struct GNUNET_TIME_Absolute state_timeout;
110
111 /**
112 * The address to convert
113 */
114 struct GNUNET_HELLO_Address *address;
115};
116
117/**
118 * Context to store name resolutions for valiation
119 */
120struct PeerResolutionContext
121{
122 /**
123 * Next in DLL
124 */
125 struct PeerResolutionContext *next;
126
127 /**
128 * Prev in DLL
129 */
130 struct PeerResolutionContext *prev;
131
132 /**
133 * address to resolve
134 */
135 struct GNUNET_HELLO_Address *addrcp;
136
137 /**
138 * transport conversiion context
139 */
140 struct GNUNET_TRANSPORT_AddressToStringContext *asc;
141
142 /**
143 * peer state
144 */
145 enum GNUNET_TRANSPORT_PeerState state;
146
147 /**
148 * state timeout
149 */
150 struct GNUNET_TIME_Absolute state_timeout;
151
152 /**
153 * transport plugin
154 */
155 char *transport;
156
157 /**
158 * was the entry printed
159 */
160 int printed;
161};
162
163
164/**
165 * Benchmarking block size in KB
166 */
167#define BLOCKSIZE 4
168
169/**
170 * Handle to transport service.
171 */
172static struct GNUNET_TRANSPORT_CoreHandle *handle;
173
174/**
175 * Configuration handle
176 */
177static struct GNUNET_CONFIGURATION_Handle *cfg;
178
179/**
180 * Blacklisting handle
181 */
182struct GNUNET_TRANSPORT_Blacklist *blacklist;
183
184/**
185 * Option -s.
186 */
187static int benchmark_send;
188
189/**
190 * Option -b.
191 */
192static int benchmark_receive;
193
194/**
195 * Option -l.
196 */
197static int benchmark_receive;
198
199/**
200 * Option -i.
201 */
202static int iterate_connections;
203
204/**
205 * Option -a.
206 */
207static int iterate_all;
208
209/**
210 * Option -c.
211 */
212static int monitor_connects;
213
214/**
215 * Option -m.
216 */
217static int monitor_connections;
218
219/**
220 * Option -P.
221 */
222static int monitor_plugins;
223
224/**
225 * Option -D.
226 */
227static int do_disconnect;
228
229/**
230 * Option -n.
231 */
232static int numeric;
233
234/**
235 * Global return value (0 success).
236 */
237static int ret;
238
239/**
240 * Current number of connections in monitor mode
241 */
242static int monitor_connect_counter;
243
244/**
245 * Number of bytes of traffic we received so far.
246 */
247static unsigned long long traffic_received;
248
249/**
250 * Number of bytes of traffic we sent so far.
251 */
252static unsigned long long traffic_sent;
253
254/**
255 * Starting time of transmitting/receiving data.
256 */
257static struct GNUNET_TIME_Absolute start_time;
258
259/**
260 * Map storing information about monitored peers
261 */
262static struct GNUNET_CONTAINER_MultiPeerMap *monitored_peers;
263
264/**
265 * Map storing information about monitored plugins's sessions.
266 */
267static struct GNUNET_CONTAINER_MultiPeerMap *monitored_plugins;
268
269/**
270 * Handle if we are monitoring peers at the transport level.
271 */
272static struct GNUNET_TRANSPORT_PeerMonitoringContext *pic;
273
274/**
275 * Handle if we are monitoring plugin session activity.
276 */
277static struct GNUNET_TRANSPORT_PluginMonitor *pm;
278
279/**
280 * Identity of the peer we transmit to / connect to.
281 * ('-p' command-line option).
282 */
283static struct GNUNET_PeerIdentity pid;
284
285/**
286 * Task for operation timeout
287 */
288static struct GNUNET_SCHEDULER_Task *op_timeout;
289
290/**
291 * Selected level of verbosity.
292 */
293static unsigned int verbosity;
294
295/**
296 * Resolver process handle.
297 */
298struct GNUNET_OS_Process *resolver;
299
300/**
301 * Number of address resolutions pending
302 */
303static unsigned int address_resolutions;
304
305/**
306 * DLL: head of validation resolution entries
307 */
308static struct ValidationResolutionContext *vc_head;
309
310/**
311 * DLL: tail of validation resolution entries
312 */
313static struct ValidationResolutionContext *vc_tail;
314
315/**
316 * DLL: head of resolution entries
317 */
318static struct PeerResolutionContext *rc_head;
319
320/**
321 * DLL: head of resolution entries
322 */
323static struct PeerResolutionContext *rc_tail;
324
325
326/**
327 * Function called to release data stored in the #monitored_peers map.
328 *
329 * @param cls unused
330 * @param key the peer identity
331 * @param value a `struct MonitoredPeer` to release
332 * @return #GNUNET_OK (continue to iterate)
333 */
334static int
335destroy_it (void *cls, const struct GNUNET_PeerIdentity *key, void *value)
336{
337 struct MonitoredPeer *m = value;
338
339 GNUNET_assert (
340 GNUNET_OK ==
341 GNUNET_CONTAINER_multipeermap_remove (monitored_peers, key, value));
342 GNUNET_free (m->address);
343 GNUNET_free (value);
344 return GNUNET_OK;
345}
346
347
348/**
349 * Task run in monitor mode when the user presses CTRL-C to abort.
350 * Stops monitoring activity.
351 *
352 * @param cls NULL
353 */
354static void
355shutdown_task (void *cls)
356{
357 struct GNUNET_TIME_Relative duration;
358 struct ValidationResolutionContext *cur;
359 struct ValidationResolutionContext *next;
360 struct PeerResolutionContext *rc;
361
362 if (NULL != op_timeout)
363 {
364 GNUNET_SCHEDULER_cancel (op_timeout);
365 op_timeout = NULL;
366 }
367 if (NULL != pic)
368 {
369 GNUNET_TRANSPORT_monitor_peers_cancel (pic);
370 pic = NULL;
371 }
372 if (NULL != pm)
373 {
374 GNUNET_TRANSPORT_monitor_plugins_cancel (pm);
375 pm = NULL;
376 }
377
378 next = vc_head;
379 for (cur = next; NULL != cur; cur = next)
380 {
381 next = cur->next;
382
383 GNUNET_TRANSPORT_address_to_string_cancel (cur->asc);
384 GNUNET_CONTAINER_DLL_remove (vc_head, vc_tail, cur);
385 GNUNET_free (cur->transport);
386 GNUNET_HELLO_address_free (cur->addrcp);
387 GNUNET_free (cur);
388 }
389 while (NULL != (rc = rc_head))
390 {
391 GNUNET_CONTAINER_DLL_remove (rc_head, rc_tail, rc);
392 GNUNET_TRANSPORT_address_to_string_cancel (rc->asc);
393 GNUNET_free (rc->transport);
394 GNUNET_free (rc->addrcp);
395 GNUNET_free (rc);
396 }
397 if (NULL != handle)
398 {
399 GNUNET_TRANSPORT_core_disconnect (handle);
400 handle = NULL;
401 }
402 if (benchmark_send)
403 {
404 duration = GNUNET_TIME_absolute_get_duration (start_time);
405 fprintf (stdout,
406 _ ("Transmitted %llu bytes/s (%llu bytes in %s)\n"),
407 1000LL * 1000LL * traffic_sent / (1 + duration.rel_value_us),
408 traffic_sent,
409 GNUNET_STRINGS_relative_time_to_string (duration, GNUNET_YES));
410 }
411 if (benchmark_receive)
412 {
413 duration = GNUNET_TIME_absolute_get_duration (start_time);
414 fprintf (stdout,
415 _ ("Received %llu bytes/s (%llu bytes in %s)\n"),
416 1000LL * 1000LL * traffic_received / (1 + duration.rel_value_us),
417 traffic_received,
418 GNUNET_STRINGS_relative_time_to_string (duration, GNUNET_YES));
419 }
420
421 if (NULL != monitored_peers)
422 {
423 GNUNET_CONTAINER_multipeermap_iterate (monitored_peers, &destroy_it, NULL);
424 GNUNET_CONTAINER_multipeermap_destroy (monitored_peers);
425 monitored_peers = NULL;
426 }
427 if (NULL != monitored_plugins)
428 {
429 GNUNET_break (0 == GNUNET_CONTAINER_multipeermap_size (monitored_plugins));
430 GNUNET_CONTAINER_multipeermap_destroy (monitored_plugins);
431 monitored_plugins = NULL;
432 }
433 if (NULL != blacklist)
434 {
435 GNUNET_TRANSPORT_blacklist_cancel (blacklist);
436 blacklist = NULL;
437 ret = 0;
438 }
439}
440
441
442/**
443 * We are done, shut down.
444 */
445static void
446operation_timeout (void *cls)
447{
448 struct PeerResolutionContext *cur;
449 struct PeerResolutionContext *next;
450
451 op_timeout = NULL;
452 if ((benchmark_send) || (benchmark_receive))
453 {
454 fprintf (stdout, _ ("Failed to connect to `%s'\n"), GNUNET_i2s_full (&pid));
455 GNUNET_SCHEDULER_shutdown ();
456 ret = 1;
457 return;
458 }
459 if (iterate_connections)
460 {
461 next = rc_head;
462 while (NULL != (cur = next))
463 {
464 next = cur->next;
465 fprintf (stdout,
466 _ ("Failed to resolve address for peer `%s'\n"),
467 GNUNET_i2s (&cur->addrcp->peer));
468
469 GNUNET_CONTAINER_DLL_remove (rc_head, rc_tail, cur);
470 GNUNET_TRANSPORT_address_to_string_cancel (cur->asc);
471 GNUNET_free (cur->transport);
472 GNUNET_free (cur->addrcp);
473 GNUNET_free (cur);
474 }
475 fprintf (stdout,
476 "%s",
477 _ ("Failed to list connections, timeout occurred\n"));
478 GNUNET_SCHEDULER_shutdown ();
479 ret = 1;
480 return;
481 }
482}
483
484
485/**
486 * Function called to notify a client about the socket
487 * begin ready to queue more data. Sends another message.
488 *
489 * @param cls closure with the message queue
490 */
491static void
492do_send (void *cls)
493{
494 struct GNUNET_MQ_Handle *mq = cls;
495 struct GNUNET_MessageHeader *m;
496 struct GNUNET_MQ_Envelope *env;
497
498 env = GNUNET_MQ_msg_extra (m, BLOCKSIZE * 1024, GNUNET_MESSAGE_TYPE_DUMMY);
499 memset (&m[1], 52, BLOCKSIZE * 1024 - sizeof(struct GNUNET_MessageHeader));
500 traffic_sent += BLOCKSIZE * 1024;
501 GNUNET_MQ_notify_sent (env, &do_send, mq);
502 if (verbosity > 0)
503 fprintf (stdout,
504 _ ("Transmitting %u bytes\n"),
505 (unsigned int) BLOCKSIZE * 1024);
506 GNUNET_MQ_send (mq, env);
507}
508
509
510/**
511 * Function called to notify transport users that another
512 * peer connected to us.
513 *
514 * @param cls closure
515 * @param peer the peer that connected
516 * @param mq message queue for sending to @a peer
517 */
518static void *
519notify_connect (void *cls,
520 const struct GNUNET_PeerIdentity *peer,
521 struct GNUNET_MQ_Handle *mq)
522{
523 if (0 != memcmp (&pid, peer, sizeof(struct GNUNET_PeerIdentity)))
524 return NULL;
525 ret = 0;
526 if (! benchmark_send)
527 return NULL;
528 if (NULL != op_timeout)
529 {
530 GNUNET_SCHEDULER_cancel (op_timeout);
531 op_timeout = NULL;
532 }
533 if (verbosity > 0)
534 fprintf (
535 stdout,
536 _ (
537 "Successfully connected to `%s', starting to send benchmark data in %u Kb blocks\n"),
538 GNUNET_i2s (peer),
539 BLOCKSIZE);
540 start_time = GNUNET_TIME_absolute_get ();
541 do_send (mq);
542 return mq;
543}
544
545
546/**
547 * Function called to notify transport users that another
548 * peer disconnected from us.
549 *
550 * @param cls closure
551 * @param peer the peer that disconnected
552 * @param internal_cls what we returned from #notify_connect()
553 */
554static void
555notify_disconnect (void *cls,
556 const struct GNUNET_PeerIdentity *peer,
557 void *internal_cls)
558{
559 if (0 != memcmp (&pid, peer, sizeof(struct GNUNET_PeerIdentity)))
560 return;
561 if (NULL == internal_cls)
562 return; /* not about target peer */
563 if (! benchmark_send)
564 return; /* not transmitting */
565 fprintf (stdout,
566 _ ("Disconnected from peer `%s' while benchmarking\n"),
567 GNUNET_i2s (&pid));
568}
569
570
571/**
572 * Function called to notify transport users that another
573 * peer connected to us.
574 *
575 * @param cls closure
576 * @param peer the peer that connected
577 * @param mq for sending messages to @a peer
578 * @return NULL
579 */
580static void *
581monitor_notify_connect (void *cls,
582 const struct GNUNET_PeerIdentity *peer,
583 struct GNUNET_MQ_Handle *mq)
584{
585 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
586 const char *now_str = GNUNET_STRINGS_absolute_time_to_string (now);
587
588 monitor_connect_counter++;
589 fprintf (stdout,
590 _ ("%24s: %-17s %4s (%u connections in total)\n"),
591 now_str,
592 _ ("Connected to"),
593 GNUNET_i2s (peer),
594 monitor_connect_counter);
595 return NULL;
596}
597
598
599/**
600 * Function called to notify transport users that another
601 * peer disconnected from us.
602 *
603 * @param cls closure
604 * @param peer the peer that disconnected
605 * @param internal_cls what we returned from #monitor_notify_connect()
606 */
607static void
608monitor_notify_disconnect (void *cls,
609 const struct GNUNET_PeerIdentity *peer,
610 void *internal_cls)
611{
612 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
613 const char *now_str = GNUNET_STRINGS_absolute_time_to_string (now);
614
615 GNUNET_assert (monitor_connect_counter > 0);
616 monitor_connect_counter--;
617
618 fprintf (stdout,
619 _ ("%24s: %-17s %4s (%u connections in total)\n"),
620 now_str,
621 _ ("Disconnected from"),
622 GNUNET_i2s (peer),
623 monitor_connect_counter);
624}
625
626
627/**
628 * Function called by the transport for each received message.
629 *
630 * @param cls closure
631 * @param message the message
632 * @return #GNUNET_OK
633 */
634static int
635check_dummy (void *cls, const struct GNUNET_MessageHeader *message)
636{
637 return GNUNET_OK; /* all messages are fine */
638}
639
640
641/**
642 * Function called by the transport for each received message.
643 *
644 * @param cls closure
645 * @param message the message
646 */
647static void
648handle_dummy (void *cls, const struct GNUNET_MessageHeader *message)
649{
650 if (! benchmark_receive)
651 return;
652 if (verbosity > 0)
653 fprintf (stdout,
654 _ ("Received %u bytes\n"),
655 (unsigned int) ntohs (message->size));
656 if (0 == traffic_received)
657 start_time = GNUNET_TIME_absolute_get ();
658 traffic_received += ntohs (message->size);
659}
660
661
662/**
663 * Convert address to a printable format.
664 *
665 * @param address the address
666 * @param numeric #GNUNET_YES to convert to numeric format, #GNUNET_NO
667 * to try to use reverse DNS
668 * @param state state the peer is in
669 * @param state_timeout when will the peer's state expire
670 */
671static void
672resolve_peer_address (const struct GNUNET_HELLO_Address *address,
673 int numeric,
674 enum GNUNET_TRANSPORT_PeerState state,
675 struct GNUNET_TIME_Absolute state_timeout);
676
677
678static void
679print_info (const struct GNUNET_PeerIdentity *id,
680 const char *transport,
681 const char *addr,
682 enum GNUNET_TRANSPORT_PeerState state,
683 struct GNUNET_TIME_Absolute state_timeout)
684{
685 if (((GNUNET_YES == iterate_connections) && (GNUNET_YES == iterate_all)) ||
686 (GNUNET_YES == monitor_connections))
687 {
688 fprintf (stdout,
689 _ ("Peer `%s': %s %s in state `%s' until %s\n"),
690 GNUNET_i2s (id),
691 (NULL == transport) ? "<none>" : transport,
692 (NULL == transport) ? "<none>" : addr,
693 GNUNET_TRANSPORT_ps2s (state),
694 GNUNET_STRINGS_absolute_time_to_string (state_timeout));
695 }
696 else if ((GNUNET_YES == iterate_connections) &&
697 (GNUNET_TRANSPORT_is_connected (state)))
698 {
699 /* Only connected peers, skip state */
700 fprintf (stdout,
701 _ ("Peer `%s': %s %s\n"),
702 GNUNET_i2s (id),
703 transport,
704 addr);
705 }
706}
707
708
709/**
710 * Function called with a textual representation of an address. This
711 * function will be called several times with different possible
712 * textual representations, and a last time with @a address being NULL
713 * to signal the end of the iteration. Note that @a address NULL
714 * always is the last call, regardless of the value in @a res.
715 *
716 * @param cls closure
717 * @param address NULL on end of iteration,
718 * otherwise 0-terminated printable UTF-8 string,
719 * in particular an empty string if @a res is #GNUNET_NO
720 * @param res result of the address to string conversion:
721 * if #GNUNET_OK: conversion successful
722 * if #GNUNET_NO: address was invalid (or not supported)
723 * if #GNUNET_SYSERR: communication error (IPC error)
724 */
725static void
726process_peer_string (void *cls, const char *address, int res)
727{
728 struct PeerResolutionContext *rc = cls;
729
730 if (NULL != address)
731 {
732 if (GNUNET_SYSERR == res)
733 {
734 fprintf (
735 stderr,
736 "Failed to convert address for peer `%s' plugin `%s' length %u to string \n",
737 GNUNET_i2s (&rc->addrcp->peer),
738 rc->addrcp->transport_name,
739 (unsigned int) rc->addrcp->address_length);
740 print_info (&rc->addrcp->peer,
741 rc->transport,
742 NULL,
743 rc->state,
744 rc->state_timeout);
745 rc->printed = GNUNET_YES;
746 return;
747 }
748 if (GNUNET_OK == res)
749 {
750 print_info (&rc->addrcp->peer,
751 rc->transport,
752 address,
753 rc->state,
754 rc->state_timeout);
755 rc->printed = GNUNET_YES;
756 return; /* Wait for done call */
757 }
758 /* GNUNET_NO == res: ignore, was simply not supported */
759 return;
760 }
761 /* NULL == address, last call, we are done */
762
763 rc->asc = NULL;
764 GNUNET_assert (address_resolutions > 0);
765 address_resolutions--;
766 if (GNUNET_NO == rc->printed)
767 {
768 if (numeric == GNUNET_NO)
769 {
770 /* Failed to resolve address, try numeric lookup
771 (note: this should not be needed, as transport
772 should fallback to numeric conversion if DNS takes
773 too long) */
774 resolve_peer_address (rc->addrcp,
775 GNUNET_YES,
776 rc->state,
777 rc->state_timeout);
778 }
779 else
780 {
781 print_info (&rc->addrcp->peer,
782 rc->transport,
783 NULL,
784 rc->state,
785 rc->state_timeout);
786 }
787 }
788 GNUNET_free (rc->transport);
789 GNUNET_free (rc->addrcp);
790 GNUNET_CONTAINER_DLL_remove (rc_head, rc_tail, rc);
791 GNUNET_free (rc);
792 if ((0 == address_resolutions) && (iterate_connections))
793 {
794 if (NULL != op_timeout)
795 {
796 GNUNET_SCHEDULER_cancel (op_timeout);
797 op_timeout = NULL;
798 }
799 ret = 0;
800 GNUNET_SCHEDULER_shutdown ();
801 }
802}
803
804
805/**
806 * Convert address to a printable format and print it
807 * together with the given state data.
808 *
809 * @param address the address
810 * @param numeric #GNUNET_YES to convert to numeric format, #GNUNET_NO
811 * to try to use reverse DNS
812 * @param state state the peer is in
813 * @param state_timeout when will the peer's state expire
814 */
815static void
816resolve_peer_address (const struct GNUNET_HELLO_Address *address,
817 int numeric,
818 enum GNUNET_TRANSPORT_PeerState state,
819 struct GNUNET_TIME_Absolute state_timeout)
820{
821 struct PeerResolutionContext *rc;
822
823 rc = GNUNET_new (struct PeerResolutionContext);
824 GNUNET_CONTAINER_DLL_insert (rc_head, rc_tail, rc);
825 address_resolutions++;
826 rc->transport = GNUNET_strdup (address->transport_name);
827 rc->addrcp = GNUNET_HELLO_address_copy (address);
828 rc->printed = GNUNET_NO;
829 rc->state = state;
830 rc->state_timeout = state_timeout;
831 /* Resolve address to string */
832 rc->asc = GNUNET_TRANSPORT_address_to_string (cfg,
833 address,
834 numeric,
835 RESOLUTION_TIMEOUT,
836 &process_peer_string,
837 rc);
838}
839
840
841/**
842 * Function called with information about a peers during a one shot iteration
843 *
844 * @param cls closure
845 * @param peer identity of the peer, NULL for final callback when operation done
846 * @param address binary address used to communicate with this peer,
847 * NULL on disconnect or when done
848 * @param state current state this peer is in
849 * @param state_timeout time out for the current state
850 */
851static void
852process_peer_iteration_cb (void *cls,
853 const struct GNUNET_PeerIdentity *peer,
854 const struct GNUNET_HELLO_Address *address,
855 enum GNUNET_TRANSPORT_PeerState state,
856 struct GNUNET_TIME_Absolute state_timeout)
857{
858 if (NULL == peer)
859 {
860 /* done */
861 pic = NULL;
862 return;
863 }
864
865 if ((GNUNET_NO == iterate_all) &&
866 (GNUNET_NO == GNUNET_TRANSPORT_is_connected (state)))
867 return; /* Display only connected peers */
868
869 if (NULL != op_timeout)
870 GNUNET_SCHEDULER_cancel (op_timeout);
871 op_timeout =
872 GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout, NULL);
873
874 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
875 "Received address for peer `%s': %s\n",
876 GNUNET_i2s (peer),
877 address ? address->transport_name : "");
878
879 if (NULL != address)
880 resolve_peer_address (address, numeric, state, state_timeout);
881 else
882 print_info (peer, NULL, NULL, state, state_timeout);
883}
884
885
886/**
887 * Context for address resolution by #plugin_monitoring_cb().
888 */
889struct PluginMonitorAddress
890{
891 /**
892 * Ongoing resolution request.
893 */
894 struct GNUNET_TRANSPORT_AddressToStringContext *asc;
895
896 /**
897 * Resolved address as string.
898 */
899 char *str;
900
901 /**
902 * Last event we got and did not yet print because
903 * @e str was NULL (address not yet resolved).
904 */
905 struct GNUNET_TRANSPORT_SessionInfo si;
906};
907
908
909/**
910 * Print information about a plugin monitoring event.
911 *
912 * @param addr out internal context
913 * @param info the monitoring information
914 */
915static void
916print_plugin_event_info (struct PluginMonitorAddress *addr,
917 const struct GNUNET_TRANSPORT_SessionInfo *info)
918{
919 const char *state;
920
921 switch (info->state)
922 {
923 case GNUNET_TRANSPORT_SS_INIT:
924 state = "INIT";
925 break;
926
927 case GNUNET_TRANSPORT_SS_HANDSHAKE:
928 state = "HANDSHAKE";
929 break;
930
931 case GNUNET_TRANSPORT_SS_UP:
932 state = "UP";
933 break;
934
935 case GNUNET_TRANSPORT_SS_UPDATE:
936 state = "UPDATE";
937 break;
938
939 case GNUNET_TRANSPORT_SS_DONE:
940 state = "DONE";
941 break;
942
943 default:
944 state = "UNKNOWN";
945 break;
946 }
947 fprintf (stdout,
948 "%s: state %s timeout in %s @ %s%s\n",
949 GNUNET_i2s (&info->address->peer),
950 state,
951 GNUNET_STRINGS_relative_time_to_string (
952 GNUNET_TIME_absolute_get_remaining (info->session_timeout),
953 GNUNET_YES),
954 addr->str,
955 (info->is_inbound == GNUNET_YES) ? " (INBOUND)" : "");
956 fprintf (stdout,
957 "%s: queue has %3u messages and %6u bytes\n",
958 GNUNET_i2s (&info->address->peer),
959 info->num_msg_pending,
960 info->num_bytes_pending);
961 if (0 !=
962 GNUNET_TIME_absolute_get_remaining (info->receive_delay).rel_value_us)
963 fprintf (stdout,
964 "%s: receiving blocked until %s\n",
965 GNUNET_i2s (&info->address->peer),
966 GNUNET_STRINGS_absolute_time_to_string (info->receive_delay));
967}
968
969
970/**
971 * Function called with a textual representation of an address. This
972 * function will be called several times with different possible
973 * textual representations, and a last time with @a address being NULL
974 * to signal the end of the iteration. Note that @a address NULL
975 * always is the last call, regardless of the value in @a res.
976 *
977 * @param cls closure
978 * @param address NULL on end of iteration,
979 * otherwise 0-terminated printable UTF-8 string,
980 * in particular an empty string if @a res is #GNUNET_NO
981 * @param res result of the address to string conversion:
982 * if #GNUNET_OK: conversion successful
983 * if #GNUNET_NO: address was invalid (or not supported)
984 * if #GNUNET_SYSERR: communication error (IPC error)
985 */
986static void
987address_cb (void *cls, const char *address, int res)
988{
989 struct PluginMonitorAddress *addr = cls;
990
991 if (NULL == address)
992 {
993 addr->asc = NULL;
994 return;
995 }
996 if (NULL != addr->str)
997 return;
998 addr->str = GNUNET_strdup (address);
999 print_plugin_event_info (addr, &addr->si);
1000}
1001
1002
1003/**
1004 * Function called by the plugin with information about the
1005 * current sessions managed by the plugin (for monitoring).
1006 *
1007 * @param cls closure (NULL)
1008 * @param session session handle this information is about,
1009 * NULL to indicate that we are "in sync" (initial
1010 * iteration complete)
1011 * @param session_ctx storage location where the application
1012 * can store data; will point to NULL on #GNUNET_TRANSPORT_SS_INIT,
1013 * and must be reset to NULL on #GNUNET_TRANSPORT_SS_DONE
1014 * @param info information about the state of the session,
1015 * NULL if @a session is also NULL and we are
1016 * merely signalling that the initial iteration is over;
1017 * NULL with @a session being non-NULL if the monitor
1018 * was being cancelled while sessions were active
1019 */
1020static void
1021plugin_monitoring_cb (void *cls,
1022 struct GNUNET_TRANSPORT_PluginSession *session,
1023 void **session_ctx,
1024 const struct GNUNET_TRANSPORT_SessionInfo *info)
1025{
1026 struct PluginMonitorAddress *addr;
1027
1028 if ((NULL == info) && (NULL == session))
1029 return; /* in sync with transport service */
1030 addr = *session_ctx;
1031 if (NULL == info)
1032 {
1033 if (NULL != addr)
1034 {
1035 if (NULL != addr->asc)
1036 {
1037 GNUNET_TRANSPORT_address_to_string_cancel (addr->asc);
1038 addr->asc = NULL;
1039 }
1040 GNUNET_free (addr->str);
1041 GNUNET_free (addr);
1042 *session_ctx = NULL;
1043 }
1044 return; /* shutdown */
1045 }
1046 if (0 !=
1047 memcmp (&info->address->peer, &pid, sizeof(struct GNUNET_PeerIdentity)))
1048 return; /* filtered */
1049 if (NULL == addr)
1050 {
1051 addr = GNUNET_new (struct PluginMonitorAddress);
1052 addr->asc =
1053 GNUNET_TRANSPORT_address_to_string (cfg,
1054 info->address,
1055 numeric,
1056 GNUNET_TIME_UNIT_FOREVER_REL,
1057 &address_cb,
1058 addr);
1059 *session_ctx = addr;
1060 }
1061 if (NULL == addr->str)
1062 addr->si = *info;
1063 else
1064 print_plugin_event_info (addr, info);
1065 if (GNUNET_TRANSPORT_SS_DONE == info->state)
1066 {
1067 if (NULL != addr->asc)
1068 {
1069 GNUNET_TRANSPORT_address_to_string_cancel (addr->asc);
1070 addr->asc = NULL;
1071 }
1072 GNUNET_free (addr->str);
1073 GNUNET_free (addr);
1074 *session_ctx = NULL;
1075 }
1076}
1077
1078
1079/**
1080 * Function called with information about a peers
1081 *
1082 * @param cls closure, NULL
1083 * @param peer identity of the peer, NULL for final callback when operation done
1084 * @param address binary address used to communicate with this peer,
1085 * NULL on disconnect or when done
1086 * @param state current state this peer is in
1087 * @param state_timeout time out for the current state
1088 */
1089static void
1090process_peer_monitoring_cb (void *cls,
1091 const struct GNUNET_PeerIdentity *peer,
1092 const struct GNUNET_HELLO_Address *address,
1093 enum GNUNET_TRANSPORT_PeerState state,
1094 struct GNUNET_TIME_Absolute state_timeout)
1095{
1096 struct MonitoredPeer *m;
1097
1098 if (NULL == peer)
1099 {
1100 fprintf (stdout,
1101 "%s",
1102 _ (
1103 "Monitor disconnected from transport service. Reconnecting.\n"));
1104 return;
1105 }
1106
1107 if (NULL != op_timeout)
1108 GNUNET_SCHEDULER_cancel (op_timeout);
1109 op_timeout =
1110 GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout, NULL);
1111
1112 if (NULL == (m = GNUNET_CONTAINER_multipeermap_get (monitored_peers, peer)))
1113 {
1114 m = GNUNET_new (struct MonitoredPeer);
1115 GNUNET_CONTAINER_multipeermap_put (
1116 monitored_peers,
1117 peer,
1118 m,
1119 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
1120 }
1121 else
1122 {
1123 if ((m->state == state) &&
1124 (m->state_timeout.abs_value_us == state_timeout.abs_value_us) &&
1125 (NULL == address) && (NULL == m->address))
1126 {
1127 return; /* No real change */
1128 }
1129 if ((m->state == state) && (NULL != address) && (NULL != m->address) &&
1130 (0 == GNUNET_HELLO_address_cmp (m->address, address)))
1131 return; /* No real change */
1132 }
1133
1134 if (NULL != m->address)
1135 {
1136 GNUNET_free (m->address);
1137 m->address = NULL;
1138 }
1139 if (NULL != address)
1140 m->address = GNUNET_HELLO_address_copy (address);
1141 m->state = state;
1142 m->state_timeout = state_timeout;
1143
1144 if (NULL != address)
1145 resolve_peer_address (m->address, numeric, m->state, m->state_timeout);
1146 else
1147 print_info (peer, NULL, NULL, m->state, m->state_timeout);
1148}
1149
1150
1151/**
1152 * Function called with the transport service checking if we
1153 * want to blacklist a peer. Return #GNUNET_SYSERR for the
1154 * peer that we should disconnect from.
1155 *
1156 * @param cls NULL
1157 * @param cpid peer to check blacklisting for
1158 * @return #GNUNET_OK if the connection is allowed, #GNUNET_SYSERR if not
1159 */
1160static int
1161blacklist_cb (void *cls, const struct GNUNET_PeerIdentity *cpid)
1162{
1163 if (0 == memcmp (cpid, &pid, sizeof(struct GNUNET_PeerIdentity)))
1164 return GNUNET_SYSERR;
1165 return GNUNET_OK;
1166}
1167
1168
1169/**
1170 * Main function that will be run by the scheduler.
1171 *
1172 * @param cls closure
1173 * @param args remaining command-line arguments
1174 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1175 * @param mycfg configuration
1176 */
1177static void
1178run (void *cls,
1179 char *const *args,
1180 const char *cfgfile,
1181 const struct GNUNET_CONFIGURATION_Handle *mycfg)
1182{
1183 static struct GNUNET_PeerIdentity zero_pid;
1184 int counter = 0;
1185
1186 ret = 1;
1187
1188 cfg = (struct GNUNET_CONFIGURATION_Handle *) mycfg;
1189
1190 counter = benchmark_send + benchmark_receive + iterate_connections
1191 + monitor_connections + monitor_connects + do_disconnect
1192 + monitor_plugins;
1193
1194 if (1 < counter)
1195 {
1196 fprintf (
1197 stderr,
1198 _ (
1199 "Multiple operations given. Please choose only one operation: %s, %s, %s, %s, %s, %s %s\n"),
1200 "disconnect",
1201 "benchmark send",
1202 "benchmark receive",
1203 "information",
1204 "monitor",
1205 "events",
1206 "plugins");
1207 return;
1208 }
1209 if (0 == counter)
1210 {
1211 fprintf (
1212 stderr,
1213 _ (
1214 "No operation given. Please choose one operation: %s, %s, %s, %s, %s, %s, %s\n"),
1215 "disconnect",
1216 "benchmark send",
1217 "benchmark receive",
1218 "information",
1219 "monitor",
1220 "events",
1221 "plugins");
1222 return;
1223 }
1224
1225 if (do_disconnect) /* -D: Disconnect from peer */
1226 {
1227 if (0 == memcmp (&zero_pid, &pid, sizeof(pid)))
1228 {
1229 fprintf (stderr,
1230 _ ("Option `%s' makes no sense without option `%s'.\n"),
1231 "-D",
1232 "-p");
1233 ret = 1;
1234 return;
1235 }
1236 blacklist = GNUNET_TRANSPORT_blacklist (cfg, &blacklist_cb, NULL);
1237 if (NULL == blacklist)
1238 {
1239 fprintf (stderr,
1240 "%s",
1241 _ (
1242 "Failed to connect to transport service for disconnection\n"));
1243 ret = 1;
1244 return;
1245 }
1246 fprintf (stdout,
1247 "%s",
1248 _ ("Blacklisting request in place, stop with CTRL-C\n"));
1249 }
1250 else if (benchmark_send) /* -s: Benchmark sending */
1251 {
1252 if (0 == memcmp (&zero_pid, &pid, sizeof(pid)))
1253 {
1254 fprintf (stderr,
1255 _ ("Option `%s' makes no sense without option `%s'.\n"),
1256 "-s",
1257 "-p");
1258 ret = 1;
1259 return;
1260 }
1261 handle = GNUNET_TRANSPORT_core_connect (cfg,
1262 NULL,
1263 NULL,
1264 NULL,
1265 &notify_connect,
1266 &notify_disconnect,
1267 NULL);
1268 if (NULL == handle)
1269 {
1270 fprintf (stderr, "%s", _ ("Failed to connect to transport service\n"));
1271 ret = 1;
1272 return;
1273 }
1274 start_time = GNUNET_TIME_absolute_get ();
1275 op_timeout =
1276 GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout, NULL);
1277 }
1278 else if (benchmark_receive) /* -b: Benchmark receiving */
1279 {
1280 struct GNUNET_MQ_MessageHandler handlers[] =
1281 { GNUNET_MQ_hd_var_size (dummy,
1282 GNUNET_MESSAGE_TYPE_DUMMY,
1283 struct GNUNET_MessageHeader,
1284 NULL),
1285 GNUNET_MQ_handler_end () };
1286
1287 handle = GNUNET_TRANSPORT_core_connect (cfg,
1288 NULL,
1289 handlers,
1290 NULL,
1291 NULL,
1292 NULL,
1293 NULL);
1294 if (NULL == handle)
1295 {
1296 fprintf (stderr, "%s", _ ("Failed to connect to transport service\n"));
1297 ret = 1;
1298 return;
1299 }
1300 if (verbosity > 0)
1301 fprintf (stdout, "%s", _ ("Starting to receive benchmark data\n"));
1302 start_time = GNUNET_TIME_absolute_get ();
1303 }
1304 else if (iterate_connections) /* -i: List information about peers once */
1305 {
1306 pic = GNUNET_TRANSPORT_monitor_peers (cfg,
1307 &pid,
1308 GNUNET_YES,
1309 &process_peer_iteration_cb,
1310 (void *) cfg);
1311 op_timeout =
1312 GNUNET_SCHEDULER_add_delayed (OP_TIMEOUT, &operation_timeout, NULL);
1313 }
1314 else if (monitor_connections) /* -m: List information about peers continuously
1315 */
1316 {
1317 monitored_peers = GNUNET_CONTAINER_multipeermap_create (10, GNUNET_NO);
1318 pic = GNUNET_TRANSPORT_monitor_peers (cfg,
1319 &pid,
1320 GNUNET_NO,
1321 &process_peer_monitoring_cb,
1322 NULL);
1323 }
1324 else if (monitor_plugins) /* -P: List information about plugins continuously
1325 */
1326 {
1327 monitored_plugins = GNUNET_CONTAINER_multipeermap_create (10, GNUNET_NO);
1328 pm = GNUNET_TRANSPORT_monitor_plugins (cfg, &plugin_monitoring_cb, NULL);
1329 }
1330 else if (monitor_connects) /* -e : Monitor (dis)connect events continuously */
1331 {
1332 monitor_connect_counter = 0;
1333 handle = GNUNET_TRANSPORT_core_connect (cfg,
1334 NULL,
1335 NULL,
1336 NULL,
1337 &monitor_notify_connect,
1338 &monitor_notify_disconnect,
1339 NULL);
1340 if (NULL == handle)
1341 {
1342 fprintf (stderr, "%s", _ ("Failed to connect to transport service\n"));
1343 ret = 1;
1344 return;
1345 }
1346 ret = 0;
1347 }
1348 else
1349 {
1350 GNUNET_break (0);
1351 return;
1352 }
1353
1354 GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
1355}
1356
1357
1358int
1359main (int argc, char *const *argv)
1360{
1361 int res;
1362 struct GNUNET_GETOPT_CommandLineOption options[] =
1363 { GNUNET_GETOPT_option_flag (
1364 'a',
1365 "all",
1366 gettext_noop (
1367 "print information for all peers (instead of only connected peers)"),
1368 &iterate_all),
1369 GNUNET_GETOPT_option_flag (
1370 'b',
1371 "benchmark",
1372 gettext_noop (
1373 "measure how fast we are receiving data from all peers (until CTRL-C)"),
1374 &benchmark_receive),
1375 GNUNET_GETOPT_option_flag ('D',
1376 "disconnect",
1377 gettext_noop ("disconnect from a peer"),
1378 &do_disconnect),
1379 GNUNET_GETOPT_option_flag (
1380 'i',
1381 "information",
1382 gettext_noop (
1383 "provide information about all current connections (once)"),
1384 &iterate_connections),
1385 GNUNET_GETOPT_option_flag (
1386 'm',
1387 "monitor",
1388 gettext_noop (
1389 "provide information about all current connections (continuously)"),
1390 &monitor_connections),
1391 GNUNET_GETOPT_option_flag (
1392 'e',
1393 "events",
1394 gettext_noop (
1395 "provide information about all connects and disconnect events (continuously)"),
1396 &monitor_connects),
1397 GNUNET_GETOPT_option_flag ('n',
1398 "numeric",
1399 gettext_noop ("do not resolve hostnames"),
1400 &numeric),
1401 GNUNET_GETOPT_option_base32_auto ('p',
1402 "peer",
1403 "PEER",
1404 gettext_noop ("peer identity"),
1405 &pid),
1406 GNUNET_GETOPT_option_flag ('P',
1407 "plugins",
1408 gettext_noop ("monitor plugin sessions"),
1409 &monitor_plugins),
1410 GNUNET_GETOPT_option_flag (
1411 's',
1412 "send",
1413 gettext_noop (
1414 "send data for benchmarking to the other peer (until CTRL-C)"),
1415 &benchmark_send),
1416 GNUNET_GETOPT_option_verbose (&verbosity),
1417 GNUNET_GETOPT_OPTION_END };
1418
1419 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1420 return 2;
1421
1422 res =
1423 GNUNET_PROGRAM_run (argc,
1424 argv,
1425 "gnunet-transport",
1426 gettext_noop ("Direct access to transport service."),
1427 options,
1428 &run,
1429 NULL);
1430 GNUNET_free_nz ((void *) argv);
1431 if (GNUNET_OK == res)
1432 return ret;
1433 return 1;
1434}
1435
1436
1437/* end of gnunet-transport.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 21:28:07 +0000