aboutsummaryrefslogtreecommitdiff
path: root/src/testbed/gnunet-service-testbed_oc.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/testbed/gnunet-service-testbed_oc.c')
-rw-r--r--src/testbed/gnunet-service-testbed_oc.c1978
1 files changed, 0 insertions, 1978 deletions
diff --git a/src/testbed/gnunet-service-testbed_oc.c b/src/testbed/gnunet-service-testbed_oc.c
deleted file mode 100644
index 4fe7c20b3..000000000
--- a/src/testbed/gnunet-service-testbed_oc.c
+++ /dev/null
@@ -1,1978 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2008--2016 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 testbed/gnunet-service-testbed_oc.c
23 * @brief code for handling overlay connect operations
24 * @author Sree Harsha Totakura
25 */
26
27#include "gnunet-service-testbed.h"
28#include "gnunet-service-testbed_connectionpool.h"
29#include "gnunet_transport_hello_service.h"
30
31/**
32 * Redefine LOG with a changed log component string
33 */
34#ifdef LOG
35#undef LOG
36#endif
37#define LOG(kind, ...) \
38 GNUNET_log_from (kind, "testbed-OC", __VA_ARGS__)
39
40
41/**
42 * Context information for requesting ATS to connect to a peer
43 */
44struct ConnectivitySuggestContext
45{
46 /**
47 * The transport handle obtained from cache. Do NOT close/disconnect.
48 */
49 struct GNUNET_TRANSPORT_CoreHandle *th_;
50
51 /**
52 * Configuration of the peer from cache. Do not free!
53 */
54 const struct GNUNET_CONFIGURATION_Handle *cfg;
55
56 /**
57 * The GetCacheHandle for the peer2's transport handle
58 * (used to offer the HELLO to the peer).
59 */
60 struct GST_ConnectionPool_GetHandle *cgh_p2_th;
61
62 /**
63 * The GetCacheHandle for the peer2's ATS handle.
64 */
65 struct GST_ConnectionPool_GetHandle *cgh_p2_ats;
66
67 /**
68 * The ATS handle for the connectivity suggestion.
69 */
70 struct GNUNET_ATS_ConnectivitySuggestHandle *csh;
71};
72
73
74/**
75 * Types for context information we create for overlay connect requests
76 */
77enum OverlayConnectContextType
78{
79 /**
80 * This type is used if the overlay connection is local i.e. the connection
81 * has to be made between local peers
82 */
83 OCC_TYPE_LOCAL,
84
85 /**
86 * Type to be used when the first peer is local and the other peer is on a slave
87 * controller started by us
88 */
89 OCC_TYPE_REMOTE_SLAVE,
90
91 /**
92 * Type to be used when the first peer is local and the other peer is on a
93 * controller which is not started by us.
94 */
95 OCC_TYPE_REMOTE_LATERAL
96};
97
98
99/**
100 * Context data for operations on second peer in local overlay connection
101 * contexts
102 */
103struct LocalPeer2Context
104{
105 /**
106 * The handle for offering the HELLO of the first peer to the second
107 * peer.
108 */
109 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh;
110
111 /**
112 * The transport ConnectivitySuggestContext
113 */
114 struct ConnectivitySuggestContext tcc;
115};
116
117
118/**
119 * Context data for operations on second peer in remote overlay connection
120 * contexts
121 */
122struct RemotePeer2Context
123{
124 /**
125 * Controller of peer 2; If #OCC_TYPE_REMOTE_LATERAL is the type of overlay
126 * connection then this can be NULL until the connection to the controller is
127 * established
128 */
129 struct GNUNET_TESTBED_Controller *p2c;
130
131 /**
132 * Operation context for the suboperation we start to get the identity of the
133 * second peer
134 */
135 struct OperationContext *opc;
136
137 /**
138 * Notification handle acquire to connect to a remote controller. Only used
139 * if the type of overlay connection is #OCC_TYPE_REMOTE_LATERAL.
140 */
141 struct NeighbourConnectNotification *ncn;
142
143 /**
144 * The neighbour handle. Only used if the type of overlay connection is
145 * #OCC_TYPE_REMOTE_LATERAL.
146 */
147 struct Neighbour *p2n;
148};
149
150/**
151 * Context information for connecting 2 peers in overlay.
152 */
153struct OverlayConnectContext
154{
155 /**
156 * The next pointer for maintaining a DLL of all OverlayConnectContexts
157 */
158 struct OverlayConnectContext *next;
159
160 /**
161 * The prev pointer for maintaining a DLL of all OverlayConnectContexts
162 */
163 struct OverlayConnectContext *prev;
164
165 /**
166 * The client which has requested for overlay connection. This is used to send
167 * either a success of failure message
168 */
169 struct GNUNET_SERVICE_Client *client;
170
171 /**
172 * the first peer which is to expect an overlay connection from the second peer.
173 */
174 struct Peer *peer;
175
176 /**
177 * Transport handle of the first peer obtained from cache to get its HELLO. Do
178 * NOT close/disconnect.
179 */
180 struct GNUNET_TRANSPORT_CoreHandle *p1th_;
181
182 /**
183 * The #GST_ConnectionPool_GetHandle for the peer1's transport handle
184 */
185 struct GST_ConnectionPool_GetHandle *cgh_p1th;
186
187 /**
188 * The #GST_ConnectionPool_GetHandle for registering callback to notify CORE
189 * level peer connects and to get our identity.
190 */
191 struct GST_ConnectionPool_GetHandle *cgh_ch;
192
193 /**
194 * HELLO of the first peer. This should be sent to the second peer.
195 */
196 struct GNUNET_MessageHeader *hello;
197
198 /**
199 * Get GetHelloHandle to acquire a HELLO of the first peer
200 */
201 struct GNUNET_TRANSPORT_HelloGetHandle *ghh;
202
203 /**
204 * The error message we send if this overlay connect operation has timed out
205 */
206 char *emsg;
207
208 /**
209 * Context information for operations on the second peer
210 */
211 union
212 {
213 /**
214 * Context information to be used if the second peer is local
215 */
216 struct LocalPeer2Context local;
217
218 /**
219 * Context information to be used if the second peer is remote
220 */
221 struct RemotePeer2Context remote;
222 } p2ctx;
223
224 /**
225 * The peer identity of the first peer
226 */
227 struct GNUNET_PeerIdentity peer_identity;
228
229 /**
230 * The peer identity of the other peer
231 */
232 struct GNUNET_PeerIdentity other_peer_identity;
233
234 /**
235 * The id of the operation responsible for creating this context
236 */
237 uint64_t op_id;
238
239 /**
240 * The id of the task for sending HELLO of peer 2 to peer 1 and ask peer 1 to
241 * connect to peer 2
242 */
243 struct GNUNET_SCHEDULER_Task *send_hello_task;
244
245 /**
246 * The id of the overlay connect timeout task
247 */
248 struct GNUNET_SCHEDULER_Task *timeout_task;
249
250 /**
251 * The id of the cleanup task
252 */
253 struct GNUNET_SCHEDULER_Task *cleanup_task;
254
255 /**
256 * The type of this context information
257 */
258 enum OverlayConnectContextType type;
259
260 /**
261 * The id of the second peer which has to connect to the first peer
262 */
263 uint32_t other_peer_id;
264};
265
266
267/**
268 * Context information for remote overlay connect operations. Remote overlay
269 * connections are used when peers A and B reside on different hosts. In these
270 * operations the host controller for peer B is asked by the host controller of
271 * peer A to make peer B connect to peer A by sending the controller of peer B
272 * the HELLO of peer A.
273 */
274struct RemoteOverlayConnectCtx
275{
276 /**
277 * the next pointer for DLL
278 */
279 struct RemoteOverlayConnectCtx *next;
280
281 /**
282 * the prev pointer for DLL
283 */
284 struct RemoteOverlayConnectCtx *prev;
285
286 /**
287 * The peer handle of peer B
288 */
289 struct Peer *peer;
290
291 /**
292 * Peer A's HELLO
293 */
294 struct GNUNET_MessageHeader *hello;
295
296 /**
297 * The handle for offering HELLO
298 */
299 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh;
300
301 /**
302 * The transport try connect context
303 */
304 struct ConnectivitySuggestContext tcc;
305
306 /**
307 * The peer identity of peer A
308 */
309 struct GNUNET_PeerIdentity a_id;
310
311 /**
312 * Task for offering HELLO of A to B and doing try_connect
313 */
314 struct GNUNET_SCHEDULER_Task *attempt_connect_task_id;
315
316 /**
317 * Task to timeout RequestOverlayConnect
318 */
319 struct GNUNET_SCHEDULER_Task *timeout_rocc_task_id;
320
321 /**
322 * The id of the operation responsible for creating this context
323 */
324 uint64_t op_id;
325};
326
327
328/**
329 * DLL head for OverlayConnectContext DLL - to be used to clean up during shutdown
330 */
331static struct OverlayConnectContext *occq_head;
332
333/**
334 * DLL tail for OverlayConnectContext DLL
335 */
336static struct OverlayConnectContext *occq_tail;
337
338/**
339 * DLL head for RequectOverlayConnectContext DLL - to be used to clean up during
340 * shutdown
341 */
342static struct RemoteOverlayConnectCtx *roccq_head;
343
344/**
345 * DLL tail for RequectOverlayConnectContext DLL
346 */
347static struct RemoteOverlayConnectCtx *roccq_tail;
348
349
350/**
351 * Cleans up ForwardedOverlayConnectContext
352 *
353 * @param focc the ForwardedOverlayConnectContext to cleanup
354 */
355void
356GST_cleanup_focc (struct ForwardedOverlayConnectContext *focc)
357{
358 struct RegisteredHostContext *rhc = focc->rhc;
359
360 GNUNET_CONTAINER_DLL_remove (rhc->focc_dll_head,
361 rhc->focc_dll_tail,
362 focc);
363 GNUNET_free (focc->orig_msg);
364 GNUNET_free (focc);
365}
366
367
368/**
369 * Timeout task for cancelling a forwarded overlay connect connect
370 *
371 * @param cls the `struct ForwardedOperationContext`
372 */
373static void
374forwarded_overlay_connect_timeout (void *cls)
375{
376 struct ForwardedOperationContext *fopc = cls;
377 struct RegisteredHostContext *rhc;
378 struct ForwardedOverlayConnectContext *focc;
379
380 fopc->timeout_task = NULL;
381 rhc = fopc->cls;
382 focc = rhc->focc_dll_head;
383 LOG_DEBUG ("Overlay linking between peers %u and %u failed\n",
384 focc->peer1,
385 focc->peer2);
386 GST_cleanup_focc (focc);
387 GST_forwarded_operation_timeout (fopc);
388 if (NULL != rhc->focc_dll_head)
389 GST_process_next_focc (rhc);
390}
391
392
393/**
394 * Callback to be called when forwarded overlay connection operation has a reply
395 * from the sub-controller successful. We have to relay the reply msg back to
396 * the client
397 *
398 * @param cls ForwardedOperationContext
399 * @param msg the peer create success message
400 */
401static void
402forwarded_overlay_connect_listener (void *cls,
403 const struct GNUNET_MessageHeader *msg)
404{
405 struct ForwardedOperationContext *fopc = cls;
406 struct RegisteredHostContext *rhc;
407 struct ForwardedOverlayConnectContext *focc;
408
409 rhc = fopc->cls;
410 GST_forwarded_operation_reply_relay (cls, msg);
411 focc = rhc->focc_dll_head;
412 GST_cleanup_focc (focc);
413 if (NULL != rhc->focc_dll_head)
414 GST_process_next_focc (rhc);
415}
416
417
418/**
419 * Processes a forwarded overlay connect context in the queue of the given RegisteredHostContext
420 *
421 * @param rhc the RegisteredHostContext
422 */
423void
424GST_process_next_focc (struct RegisteredHostContext *rhc)
425{
426 struct ForwardedOperationContext *fopc;
427 struct ForwardedOverlayConnectContext *focc;
428 struct Peer *peer;
429 struct Slave *slave;
430
431 focc = rhc->focc_dll_head;
432 GNUNET_assert (NULL != focc);
433 GNUNET_assert (RHC_DONE == rhc->state);
434 GNUNET_assert (VALID_PEER_ID (focc->peer1));
435 peer = GST_peer_list[focc->peer1];
436 GNUNET_assert (GNUNET_YES == peer->is_remote);
437 GNUNET_assert (NULL != (slave = peer->details.remote.slave));
438 fopc = GNUNET_new (struct ForwardedOperationContext);
439 fopc->client = focc->client;
440 fopc->operation_id = focc->operation_id;
441 fopc->cls = rhc;
442 fopc->type = OP_OVERLAY_CONNECT;
443 fopc->opc =
444 GNUNET_TESTBED_forward_operation_msg_ (slave->controller,
445 focc->operation_id,
446 focc->orig_msg,
447 &forwarded_overlay_connect_listener,
448 fopc);
449 GNUNET_free (focc->orig_msg);
450 focc->orig_msg = NULL;
451 fopc->timeout_task = GNUNET_SCHEDULER_add_delayed (GST_timeout,
452 &
453 forwarded_overlay_connect_timeout,
454 fopc);
455 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head,
456 fopcq_tail,
457 fopc);
458}
459
460
461/**
462 * Cleans up any used handles in local peer2 context
463 *
464 * @param lp2c the local peer2 context information
465 */
466static void
467cleanup_occ_lp2c (struct LocalPeer2Context *lp2c)
468{
469 if (NULL != lp2c->ohh)
470 {
471 GNUNET_TRANSPORT_offer_hello_cancel (lp2c->ohh);
472 lp2c->ohh = NULL;
473 }
474 if (NULL != lp2c->tcc.cgh_p2_th)
475 {
476 GST_connection_pool_get_handle_done (lp2c->tcc.cgh_p2_th);
477 lp2c->tcc.cgh_p2_th = NULL;
478 }
479 if (NULL != lp2c->tcc.cgh_p2_ats)
480 {
481 GST_connection_pool_get_handle_done (lp2c->tcc.cgh_p2_ats);
482 lp2c->tcc.cgh_p2_ats = NULL;
483 }
484 if (NULL != lp2c->tcc.csh)
485 {
486 GNUNET_ATS_connectivity_suggest_cancel (lp2c->tcc.csh);
487 lp2c->tcc.csh = NULL;
488 }
489}
490
491
492/**
493 * Cleans up any used handles in remote peer2 context. Relinquishes the
494 * remote controller connection if it has been established on-demand.
495 *
496 * @param rp2c the remote peer2 context information
497 */
498static void
499cleanup_occ_rp2c (struct RemotePeer2Context *rp2c)
500{
501 if (NULL != rp2c->opc)
502 {
503 GNUNET_TESTBED_forward_operation_msg_cancel_ (rp2c->opc);
504 rp2c->opc = NULL;
505 }
506 if (NULL != rp2c->ncn)
507 {
508 GST_neighbour_get_connection_cancel (rp2c->ncn);
509 rp2c->ncn = NULL;
510 }
511 if ((NULL != rp2c->p2c) && (NULL != rp2c->p2n))
512 {
513 GST_neighbour_release_connection (rp2c->p2n);
514 rp2c->p2n = NULL;
515 }
516}
517
518
519/**
520 * Condition for checking if given peer is ready to be destroyed
521 *
522 * @param peer the peer to check
523 */
524#define PEER_EXPIRED(peer) \
525 ((GNUNET_YES == peer->destroy_flag) && (0 == peer->reference_cnt))
526
527/**
528 * Cleanup overlay connect context structure
529 *
530 * @param occ the overlay connect context
531 */
532static void
533cleanup_occ (struct OverlayConnectContext *occ)
534{
535 struct Peer *peer2;
536
537 LOG_DEBUG ("0x%llx: Cleaning up occ\n",
538 (unsigned long long) occ->op_id);
539 GNUNET_free (occ->emsg);
540 GNUNET_free (occ->hello);
541 if (NULL != occ->send_hello_task)
542 GNUNET_SCHEDULER_cancel (occ->send_hello_task);
543 if (NULL != occ->cleanup_task)
544 GNUNET_SCHEDULER_cancel (occ->cleanup_task);
545 if (NULL != occ->timeout_task)
546 GNUNET_SCHEDULER_cancel (occ->timeout_task);
547 if (NULL != occ->cgh_ch)
548 GST_connection_pool_get_handle_done (occ->cgh_ch);
549 if (NULL != occ->ghh)
550 GNUNET_TRANSPORT_hello_get_cancel (occ->ghh);
551 GST_connection_pool_get_handle_done (occ->cgh_p1th);
552 GNUNET_assert (NULL != GST_peer_list);
553 GNUNET_assert (occ->peer->reference_cnt > 0);
554 occ->peer->reference_cnt--;
555 if (PEER_EXPIRED (occ->peer))
556 GST_destroy_peer (occ->peer);
557 switch (occ->type)
558 {
559 case OCC_TYPE_LOCAL:
560 peer2 = GST_peer_list[occ->other_peer_id];
561 GNUNET_assert (peer2->reference_cnt > 0);
562 peer2->reference_cnt--;
563 if (PEER_EXPIRED (peer2))
564 GST_destroy_peer (peer2);
565 cleanup_occ_lp2c (&occ->p2ctx.local);
566 break;
567
568 case OCC_TYPE_REMOTE_SLAVE:
569 case OCC_TYPE_REMOTE_LATERAL:
570 cleanup_occ_rp2c (&occ->p2ctx.remote);
571 break;
572 }
573 GNUNET_CONTAINER_DLL_remove (occq_head,
574 occq_tail,
575 occ);
576 GNUNET_free (occ);
577}
578
579
580/**
581 * Task for cleaning up overlay connect context structure
582 *
583 * @param cls the overlay connect context
584 */
585static void
586do_cleanup_occ (void *cls)
587{
588 struct OverlayConnectContext *occ = cls;
589
590 occ->cleanup_task = NULL;
591 cleanup_occ (occ);
592}
593
594
595/**
596 * Task which will be run when overlay connect request has been timed out
597 *
598 * @param cls the OverlayConnectContext
599 */
600static void
601timeout_overlay_connect (void *cls)
602{
603 struct OverlayConnectContext *occ = cls;
604
605 GNUNET_assert (NULL != occ->timeout_task);
606 occ->timeout_task = NULL;
607 /* LOG (GNUNET_ERROR_TYPE_WARNING, */
608 /* "0x%llx: Timeout while connecting peers %u and %u: %s\n", occ->op_id, */
609 /* occ->peer->id, occ->other_peer_id, occ->emsg); */
610 GST_send_operation_fail_msg (occ->client,
611 occ->op_id,
612 occ->emsg);
613 cleanup_occ (occ);
614}
615
616
617/**
618 * Notify OC subsystem that @a client disconnected.
619 *
620 * @param client the client that disconnected
621 */
622void
623GST_notify_client_disconnect_oc (struct GNUNET_SERVICE_Client *client)
624{
625 struct ForwardedOperationContext *fopc;
626 struct ForwardedOperationContext *fopcn;
627 struct OverlayConnectContext *occ;
628 struct OverlayConnectContext *occn;
629
630 for (fopc = fopcq_head; NULL != fopc; fopc = fopcn)
631 {
632 fopcn = fopc->next;
633 if (fopc->client == client)
634 {
635 GNUNET_SCHEDULER_cancel (fopc->timeout_task);
636 GST_forwarded_operation_timeout (fopc);
637 }
638 }
639 for (occ = occq_head; NULL != occ; occ = occn)
640 {
641 occn = occ->next;
642 if (occ->client == client)
643 cleanup_occ (occ);
644 }
645 // FIXME: implement clean up for client_keep replacements!
646}
647
648
649/**
650 * FIXME.
651 */
652static void
653send_overlay_connect_success_msg (struct OverlayConnectContext *occ)
654{
655 struct GNUNET_MQ_Envelope *env;
656 struct GNUNET_TESTBED_ConnectionEventMessage *msg;
657
658 LOG_DEBUG ("0x%llx: Peers connected - Sending overlay connect success\n",
659 (unsigned long long) occ->op_id);
660 env = GNUNET_MQ_msg (msg,
661 GNUNET_MESSAGE_TYPE_TESTBED_PEER_CONNECT_EVENT);
662 msg->event_type = htonl (GNUNET_TESTBED_ET_CONNECT);
663 msg->peer1 = htonl (occ->peer->id);
664 msg->peer2 = htonl (occ->other_peer_id);
665 msg->operation_id = GNUNET_htonll (occ->op_id);
666 GNUNET_MQ_send (GNUNET_SERVICE_client_get_mq (occ->client),
667 env);
668}
669
670
671/**
672 * Function called to notify transport users that another
673 * peer connected to us.
674 *
675 * @param cls closure
676 * @param new_peer the peer that connected
677 */
678static void
679overlay_connect_notify (void *cls,
680 const struct GNUNET_PeerIdentity *new_peer)
681{
682 struct OverlayConnectContext *occ = cls;
683 char *new_peer_str;
684 char *other_peer_str;
685
686 LOG_DEBUG ("Overlay connect notify\n");
687 if (0 ==
688 memcmp (new_peer, &occ->peer_identity,
689 sizeof(struct GNUNET_PeerIdentity)))
690 return;
691 new_peer_str = GNUNET_strdup (GNUNET_i2s (new_peer));
692 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
693 if (0 !=
694 memcmp (new_peer,
695 &occ->other_peer_identity,
696 sizeof(struct GNUNET_PeerIdentity)))
697 {
698 LOG_DEBUG ("Unexpected peer %s connected when expecting peer %s\n",
699 new_peer_str,
700 other_peer_str);
701 GNUNET_free (new_peer_str);
702 GNUNET_free (other_peer_str);
703 return;
704 }
705 GNUNET_free (new_peer_str);
706 LOG_DEBUG ("0x%llx: Peer %s connected to peer %s\n",
707 (unsigned long long) occ->op_id,
708 other_peer_str,
709 GNUNET_i2s (&occ->peer_identity));
710 GNUNET_free (other_peer_str);
711 if (NULL != occ->send_hello_task)
712 {
713 GNUNET_SCHEDULER_cancel (occ->send_hello_task);
714 occ->send_hello_task = NULL;
715 }
716 GNUNET_assert (NULL != occ->timeout_task);
717 GNUNET_SCHEDULER_cancel (occ->timeout_task);
718 occ->timeout_task = NULL;
719 switch (occ->type)
720 {
721 case OCC_TYPE_LOCAL:
722 cleanup_occ_lp2c (&occ->p2ctx.local);
723 break;
724
725 case OCC_TYPE_REMOTE_SLAVE:
726 case OCC_TYPE_REMOTE_LATERAL:
727 cleanup_occ_rp2c (&occ->p2ctx.remote);
728 break;
729 }
730 GNUNET_free (occ->emsg);
731 occ->emsg = NULL;
732 send_overlay_connect_success_msg (occ);
733 occ->cleanup_task = GNUNET_SCHEDULER_add_now (&do_cleanup_occ,
734 occ);
735}
736
737
738/**
739 * Callback from cache with needed ATS handle set
740 *
741 * @param cls a `struct OverlayConnectCtx *`
742 * @param ch the handle to CORE. Can be NULL if it is not requested
743 * @param th the handle to TRANSPORT. Can be NULL if it is not requested
744 * @param ac the handle to ATS. Can be NULL if it is not requested
745 * @param my_identity the identity of our peer
746 * @param cfg configuration of the peer
747 */
748static void
749occ_cache_get_handle_ats_occ_cb (void *cls,
750 struct GNUNET_CORE_Handle *ch,
751 struct GNUNET_TRANSPORT_CoreHandle *th,
752 struct GNUNET_ATS_ConnectivityHandle *ac,
753 const struct GNUNET_PeerIdentity *my_identity,
754 const struct GNUNET_CONFIGURATION_Handle *cfg)
755{
756 struct OverlayConnectContext *occ = cls;
757 struct LocalPeer2Context *lp2c;
758
759 GNUNET_assert (OCC_TYPE_LOCAL == occ->type);
760 GNUNET_assert (NULL != occ->timeout_task);
761 GNUNET_free (occ->emsg);
762 if (NULL == ac)
763 {
764 GNUNET_asprintf (&occ->emsg,
765 "0x%llx: Failed to connect to ATS of peer with id: %u",
766 (unsigned long long) occ->op_id,
767 occ->peer->id);
768 GNUNET_SCHEDULER_cancel (occ->timeout_task);
769 occ->timeout_task =
770 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect,
771 occ);
772 return;
773 }
774 occ->emsg = NULL;
775
776 GNUNET_asprintf (&occ->emsg,
777 "0x%llx: Timeout during GNUNET_ATS_connectivity_suggest() at peer %s",
778 (unsigned long long) occ->op_id,
779 GNUNET_i2s (&occ->other_peer_identity));
780
781 lp2c = &occ->p2ctx.local;
782 lp2c->tcc.csh =
783 GNUNET_ATS_connectivity_suggest (ac,
784 &occ->peer_identity,
785 1);
786}
787
788
789/**
790 * Callback from cache with needed ATS handle set
791 *
792 * @param cls a `struct RemoteOverlayConnectCtx *`
793 * @param ch the handle to CORE. Can be NULL if it is not requested
794 * @param th the handle to TRANSPORT. Can be NULL if it is not requested
795 * @param ac the handle to ATS. Can be NULL if it is not requested
796 * @param my_identity the identity of our peer
797 */
798static void
799occ_cache_get_handle_ats_rocc_cb (void *cls,
800 struct GNUNET_CORE_Handle *ch,
801 struct GNUNET_TRANSPORT_CoreHandle *th,
802 struct GNUNET_ATS_ConnectivityHandle *ac,
803 const struct GNUNET_PeerIdentity *my_identity,
804 const struct GNUNET_CONFIGURATION_Handle *cfg)
805{
806 struct RemoteOverlayConnectCtx *rocc = cls;
807
808 rocc->tcc.csh =
809 GNUNET_ATS_connectivity_suggest (ac,
810 &rocc->a_id,
811 1);
812}
813
814
815/**
816 * Task to offer HELLO of peer 1 to peer 2 and try to make peer 2 to connect to
817 * peer 1.
818 *
819 * @param cls the OverlayConnectContext
820 */
821static void
822send_hello (void *cls);
823
824
825/**
826 * Task that is run when hello has been sent If tc->reason =
827 * #GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
828 * #GNUNET_SCHEDULER_REASON_READ_READY is succeeded
829 *
830 * @param cls the overlay connect context
831 */
832static void
833occ_hello_sent_cb (void *cls)
834{
835 struct OverlayConnectContext *occ = cls;
836 struct LocalPeer2Context *lp2c;
837 struct Peer *peer2;
838
839 GNUNET_assert (OCC_TYPE_LOCAL == occ->type);
840 GNUNET_assert (NULL != occ->timeout_task);
841 lp2c = &occ->p2ctx.local;
842 lp2c->ohh = NULL;
843
844 GNUNET_assert (NULL == occ->send_hello_task);
845 GNUNET_free (occ->emsg);
846
847 GNUNET_asprintf (&occ->emsg,
848 "0x%llx: Timeout while acquiring ATS of %s from cache",
849 (unsigned long long) occ->op_id,
850 GNUNET_i2s (&occ->other_peer_identity));
851 GNUNET_assert (NULL != (peer2 = GST_peer_list[occ->other_peer_id]));
852 lp2c->tcc.cgh_p2_ats =
853 GST_connection_pool_get_handle (occ->other_peer_id,
854 peer2->details.local.cfg,
855 GST_CONNECTIONPOOL_SERVICE_ATS_CONNECTIVITY,
856 &occ_cache_get_handle_ats_occ_cb,
857 occ, NULL, NULL, NULL);
858}
859
860
861/**
862 * Sends the HELLO of peer1 to peer2's controller through remote overlay connect
863 * request.
864 *
865 * @param occ the overlay connect context. Its type must be either
866 * #OCC_TYPE_REMOTE_SLAVE or #OCC_TYPE_REMOTE_LATERAL
867 */
868static void
869send_hello_thru_rocc (struct OverlayConnectContext *occ)
870{
871 struct GNUNET_TESTBED_RemoteOverlayConnectMessage *msg;
872 char *other_peer_str;
873 uint16_t msize;
874 uint16_t hello_size;
875
876 GNUNET_assert (OCC_TYPE_LOCAL != occ->type);
877 GNUNET_assert (NULL != occ->hello);
878 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
879 LOG_DEBUG (
880 "0x%llx: Offering HELLO of %s (size: %u) to %s via Remote Overlay Request\n",
881 (unsigned long long) occ->op_id,
882 GNUNET_i2s (&occ->peer_identity),
883 ntohs (occ->hello->size),
884 other_peer_str);
885 GNUNET_free (other_peer_str);
886 hello_size = ntohs (occ->hello->size);
887 msize = sizeof(struct GNUNET_TESTBED_RemoteOverlayConnectMessage)
888 + hello_size;
889 msg = GNUNET_malloc (msize);
890 msg->header.type =
891 htons (GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT);
892 msg->header.size = htons (msize);
893 msg->peer = htonl (occ->other_peer_id);
894 msg->operation_id = GNUNET_htonll (occ->op_id);
895 msg->peer_identity = occ->peer_identity;
896 GNUNET_memcpy (msg->hello,
897 occ->hello,
898 hello_size);
899 GNUNET_TESTBED_queue_message_ (occ->p2ctx.remote.p2c,
900 &msg->header);
901}
902
903
904/**
905 * Task to offer HELLO of peer 1 to peer 2. If peer2 is local it is offered
906 * using its TRANSPORT connection; if remote the HELLO is sent remotely by using
907 * send_hello_thru_rocc()
908 *
909 * @param cls the OverlayConnectContext
910 */
911static void
912send_hello (void *cls)
913{
914 struct OverlayConnectContext *occ = cls;
915 struct LocalPeer2Context *lp2c;
916 char *other_peer_str;
917
918 occ->send_hello_task = NULL;
919 GNUNET_assert (NULL != occ->timeout_task);
920 GNUNET_assert (NULL != occ->hello);
921 if (OCC_TYPE_LOCAL != occ->type)
922 {
923 send_hello_thru_rocc (occ);
924 return;
925 }
926 lp2c = &occ->p2ctx.local;
927 other_peer_str = GNUNET_strdup (GNUNET_i2s (&occ->other_peer_identity));
928 LOG_DEBUG ("0x%llx: Offering HELLO of %s to %s\n",
929 (unsigned long long) occ->op_id,
930 GNUNET_i2s (&occ->peer_identity),
931 other_peer_str);
932 GNUNET_free (other_peer_str);
933 lp2c->ohh =
934 GNUNET_TRANSPORT_offer_hello (lp2c->tcc.cfg,
935 occ->hello,
936 &occ_hello_sent_cb,
937 occ);
938 if (NULL == lp2c->ohh)
939 {
940 GNUNET_break (0);
941 occ->send_hello_task =
942 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
943 (GNUNET_TIME_UNIT_MILLISECONDS,
944 100
945 + GNUNET_CRYPTO_random_u32
946 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
947 &send_hello, occ);
948 }
949}
950
951
952/**
953 * Callback from cache with needed handles set
954 *
955 * @param cls the closure passed to GST_cache_get_handle_transport()
956 * @param ch the handle to CORE. Can be NULL if it is not requested
957 * @param th the handle to TRANSPORT. Can be NULL if it is not requested
958 * @param ac the handle to ATS. Can be NULL if it is not requested
959 * @param ignore_ peer identity which is ignored in this callback
960 * @param cfg configuration of the peer
961 */
962static void
963p2_transport_connect_cache_callback (void *cls,
964 struct GNUNET_CORE_Handle *ch,
965 struct GNUNET_TRANSPORT_CoreHandle *th,
966 struct GNUNET_ATS_ConnectivityHandle *ac,
967 const struct GNUNET_PeerIdentity *ignore_,
968 const struct
969 GNUNET_CONFIGURATION_Handle *cfg)
970{
971 struct OverlayConnectContext *occ = cls;
972
973 GNUNET_assert (OCC_TYPE_LOCAL == occ->type);
974 if (NULL == th)
975 {
976 GNUNET_asprintf (&occ->emsg,
977 "0x%llx: Cannot connect to TRANSPORT of %s",
978 (unsigned long long) occ->op_id,
979 GNUNET_i2s (&occ->other_peer_identity));
980 GNUNET_SCHEDULER_cancel (occ->timeout_task);
981 occ->timeout_task =
982 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
983 return;
984 }
985 occ->p2ctx.local.tcc.th_ = th;
986 occ->p2ctx.local.tcc.cfg = cfg;
987 GNUNET_asprintf (&occ->emsg,
988 "0x%llx: Timeout while offering HELLO to %s",
989 (unsigned long long) occ->op_id,
990 GNUNET_i2s (&occ->other_peer_identity));
991 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
992}
993
994
995/**
996 * Connects to the transport of the other peer if it is a local peer and
997 * schedules the send hello task
998 *
999 * @param occ the overlay connect context
1000 */
1001static void
1002p2_transport_connect (struct OverlayConnectContext *occ)
1003{
1004 struct Peer *peer2;
1005
1006 /* HUH? Why to *obtain* HELLO? Seems we use this to *SEND* the
1007 HELLO! */
1008 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1009 "Connecting to transport of peer %s to obtain HELLO\n",
1010 GNUNET_i2s (&occ->other_peer_identity));
1011 GNUNET_assert (NULL == occ->emsg);
1012 GNUNET_assert (NULL != occ->hello);
1013 GNUNET_assert (NULL == occ->ghh);
1014 GNUNET_assert (NULL == occ->p1th_);
1015 GNUNET_assert (NULL == occ->cgh_p1th);
1016 if (OCC_TYPE_LOCAL == occ->type)
1017 {
1018 GNUNET_assert (NULL != (peer2 = GST_peer_list[occ->other_peer_id]));
1019 occ->p2ctx.local.tcc.cgh_p2_th =
1020 GST_connection_pool_get_handle (occ->other_peer_id,
1021 peer2->details.local.cfg,
1022 GST_CONNECTIONPOOL_SERVICE_TRANSPORT,
1023 &p2_transport_connect_cache_callback,
1024 occ, NULL, NULL, NULL);
1025 return;
1026 }
1027 GNUNET_asprintf (&occ->emsg,
1028 "0x%llx: Timeout while offering HELLO to %s",
1029 (unsigned long long) occ->op_id,
1030 GNUNET_i2s (&occ->other_peer_identity));
1031 occ->send_hello_task = GNUNET_SCHEDULER_add_now (&send_hello, occ);
1032}
1033
1034
1035/**
1036 * Test for checking whether HELLO message is empty
1037 *
1038 * @param cls empty flag to set
1039 * @param address the HELLO
1040 * @param expiration expiration of the HELLO
1041 * @return #GNUNET_OK
1042 */
1043static int
1044test_address (void *cls,
1045 const struct GNUNET_HELLO_Address *address,
1046 struct GNUNET_TIME_Absolute expiration)
1047{
1048 int *empty = cls;
1049
1050 *empty = GNUNET_NO;
1051 return GNUNET_OK;
1052}
1053
1054
1055/**
1056 * Function called whenever there is an update to the HELLO of peers in the
1057 * OverlayConnectClosure. If we have a valid HELLO, we connect to the peer 2's
1058 * transport and offer peer 1's HELLO and ask peer 2 to connect to peer 1
1059 *
1060 * @param cls closure
1061 * @param hello our updated HELLO
1062 */
1063static void
1064hello_update_cb (void *cls,
1065 const struct GNUNET_MessageHeader *hello)
1066{
1067 struct OverlayConnectContext *occ = cls;
1068 int empty;
1069 uint16_t msize;
1070
1071 msize = ntohs (hello->size);
1072 empty = GNUNET_YES;
1073 (void) GNUNET_HELLO_iterate_addresses ((const struct GNUNET_HELLO_Message *)
1074 hello, GNUNET_NO,
1075 &test_address,
1076 &empty);
1077 if (GNUNET_YES == empty)
1078 {
1079 LOG_DEBUG ("0x%llx: HELLO of %s is empty\n",
1080 (unsigned long long) occ->op_id,
1081 GNUNET_i2s (&occ->peer_identity));
1082 return;
1083 }
1084 LOG_DEBUG ("0x%llx: Received HELLO of %s\n",
1085 (unsigned long long) occ->op_id,
1086 GNUNET_i2s (&occ->peer_identity));
1087 occ->hello = GNUNET_malloc (msize);
1088 GST_cache_add_hello (occ->peer->id, hello);
1089 GNUNET_memcpy (occ->hello, hello, msize);
1090 GNUNET_TRANSPORT_hello_get_cancel (occ->ghh);
1091 occ->ghh = NULL;
1092 GST_connection_pool_get_handle_done (occ->cgh_p1th);
1093 occ->cgh_p1th = NULL;
1094 occ->p1th_ = NULL;
1095 GNUNET_free (occ->emsg);
1096 occ->emsg = NULL;
1097 p2_transport_connect (occ);
1098}
1099
1100
1101/**
1102 * Callback from cache with needed handles set
1103 *
1104 * @param cls the closure passed to GST_cache_get_handle_transport()
1105 * @param ch the handle to CORE. Can be NULL if it is not requested
1106 * @param th the handle to TRANSPORT. Can be NULL if it is not requested
1107 * @param ac the handle to ATS. Can be NULL if it is not requested
1108 * @param ignore_ peer identity which is ignored in this callback
1109 */
1110static void
1111p1_transport_connect_cache_callback (void *cls,
1112 struct GNUNET_CORE_Handle *ch,
1113 struct GNUNET_TRANSPORT_CoreHandle *th,
1114 struct GNUNET_ATS_ConnectivityHandle *ac,
1115 const struct GNUNET_PeerIdentity *ignore_,
1116 const struct
1117 GNUNET_CONFIGURATION_Handle *cfg)
1118{
1119 struct OverlayConnectContext *occ = cls;
1120
1121 GNUNET_free (occ->emsg);
1122 occ->emsg = NULL;
1123 if (NULL == th)
1124 {
1125 GNUNET_asprintf (&occ->emsg,
1126 "0x%llx: Cannot connect to TRANSPORT of %s",
1127 (unsigned long long) occ->op_id,
1128 GNUNET_i2s (&occ->peer_identity));
1129 GNUNET_SCHEDULER_cancel (occ->timeout_task);
1130 occ->timeout_task =
1131 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
1132 return;
1133 }
1134 GNUNET_assert (NULL == occ->p1th_);
1135 GNUNET_assert (NULL != occ->cgh_p1th);
1136 occ->p1th_ = th;
1137 GNUNET_asprintf (&occ->emsg,
1138 "0x%llx: Timeout while acquiring HELLO of peer %s",
1139 (unsigned long long) occ->op_id,
1140 GNUNET_i2s (&occ->peer_identity));
1141 occ->ghh = GNUNET_TRANSPORT_hello_get (cfg,
1142 GNUNET_TRANSPORT_AC_ANY,
1143 &hello_update_cb,
1144 occ);
1145}
1146
1147
1148/**
1149 * Callback from cache with needed CORE handle set
1150 *
1151 * @param cls the closure passed to GST_cache_get_handle_transport()
1152 * @param ch the handle to CORE. Can be NULL if it is not requested
1153 * @param th the handle to TRANSPORT. Can be NULL if it is not requested
1154 * @param ac the handle to ATS. Can be NULL if it is not requested
1155 * @param my_identity the identity of our peer
1156 */
1157static void
1158occ_cache_get_handle_core_cb (void *cls,
1159 struct GNUNET_CORE_Handle *ch,
1160 struct GNUNET_TRANSPORT_CoreHandle *th,
1161 struct GNUNET_ATS_ConnectivityHandle *ac,
1162 const struct GNUNET_PeerIdentity *my_identity,
1163 const struct GNUNET_CONFIGURATION_Handle *cfg)
1164{
1165 struct OverlayConnectContext *occ = cls;
1166 const struct GNUNET_MessageHeader *hello;
1167
1168 GNUNET_assert (NULL != occ->timeout_task);
1169 GNUNET_free (occ->emsg);
1170 if ((NULL == ch) || (NULL == my_identity))
1171 {
1172 GNUNET_asprintf (&occ->emsg,
1173 "0x%llx: Failed to connect to CORE of peer with "
1174 "id: %u",
1175 (unsigned long long) occ->op_id,
1176 occ->peer->id);
1177 GNUNET_SCHEDULER_cancel (occ->timeout_task);
1178 occ->timeout_task =
1179 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
1180 return;
1181 }
1182 occ->emsg = NULL;
1183 if (NULL !=
1184 GNUNET_CORE_get_mq (ch,
1185 &occ->other_peer_identity))
1186 {
1187 LOG_DEBUG ("0x%llx: Target peer already connected\n",
1188 (unsigned long long) occ->op_id);
1189 GNUNET_SCHEDULER_cancel (occ->timeout_task);
1190 occ->timeout_task = NULL;
1191 send_overlay_connect_success_msg (occ);
1192 occ->cleanup_task = GNUNET_SCHEDULER_add_now (&do_cleanup_occ, occ);
1193 return;
1194 }
1195 occ->peer_identity = *my_identity;
1196 LOG_DEBUG ("0x%llx: Acquiring HELLO of peer %s\n",
1197 (unsigned long long) occ->op_id,
1198 GNUNET_i2s (&occ->peer_identity));
1199 /* Lookup for HELLO in hello cache */
1200 if (NULL != (hello = GST_cache_lookup_hello (occ->peer->id)))
1201 {
1202 LOG_DEBUG ("0x%llx: HELLO of peer %s found in cache\n",
1203 (unsigned long long) occ->op_id,
1204 GNUNET_i2s (&occ->peer_identity));
1205 occ->hello = GNUNET_copy_message (hello);
1206 p2_transport_connect (occ);
1207 return;
1208 }
1209 GNUNET_asprintf (&occ->emsg,
1210 "0x%llx: Timeout while acquiring TRANSPORT of %s from cache",
1211 (unsigned long long) occ->op_id,
1212 GNUNET_i2s (&occ->peer_identity));
1213 occ->cgh_p1th =
1214 GST_connection_pool_get_handle (occ->peer->id,
1215 occ->peer->details.local.cfg,
1216 GST_CONNECTIONPOOL_SERVICE_TRANSPORT,
1217 p1_transport_connect_cache_callback,
1218 occ,
1219 NULL, NULL, NULL);
1220}
1221
1222
1223/**
1224 * Callback to be called when forwarded get peer config operation as part of
1225 * overlay connect is successful. Connection to Peer 1's core is made and is
1226 * checked for new connection from peer 2
1227 *
1228 * @param cls ForwardedOperationContext
1229 * @param msg the peer create success message
1230 */
1231static void
1232overlay_connect_get_config (void *cls,
1233 const struct GNUNET_MessageHeader *msg)
1234{
1235 struct OverlayConnectContext *occ = cls;
1236 struct RemotePeer2Context *rp2c;
1237 const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *cmsg;
1238
1239 GNUNET_assert (OCC_TYPE_LOCAL != occ->type);
1240 rp2c = &occ->p2ctx.remote;
1241 rp2c->opc = NULL;
1242 GNUNET_assert (NULL != occ->timeout_task);
1243 if (GNUNET_MESSAGE_TYPE_TESTBED_PEER_INFORMATION != ntohs (msg->type))
1244 {
1245 GNUNET_SCHEDULER_cancel (occ->timeout_task);
1246 occ->timeout_task =
1247 GNUNET_SCHEDULER_add_now (&timeout_overlay_connect, occ);
1248 }
1249 cmsg =
1250 (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *) msg;
1251 occ->other_peer_identity = cmsg->peer_identity;
1252 GNUNET_free (occ->emsg);
1253 GNUNET_asprintf (&occ->emsg,
1254 "0x%llx: Timeout while connecting to CORE of peer with "
1255 "id: %u",
1256 (unsigned long long) occ->op_id,
1257 occ->peer->id);
1258 occ->cgh_ch =
1259 GST_connection_pool_get_handle (occ->peer->id,
1260 occ->peer->details.local.cfg,
1261 GST_CONNECTIONPOOL_SERVICE_CORE,
1262 occ_cache_get_handle_core_cb,
1263 occ,
1264 &occ->other_peer_identity,
1265 &overlay_connect_notify,
1266 occ);
1267 return;
1268}
1269
1270
1271/**
1272 * Callback which will be called after a host registration succeeded or failed
1273 *
1274 * @param cls the RegisteredHostContext
1275 * @param emsg the error message; NULL if host registration is successful
1276 */
1277static void
1278host_registration_comp (void *cls, const char *emsg)
1279{
1280 struct RegisteredHostContext *rhc = cls;
1281
1282 rhc->state = RHC_DONE;
1283 GST_process_next_focc (rhc);
1284}
1285
1286
1287/**
1288 * Iterator to match a registered host context
1289 *
1290 * @param cls pointer 2 pointer of RegisteredHostContext
1291 * @param key current key code
1292 * @param value value in the hash map
1293 * @return #GNUNET_YES if we should continue to
1294 * iterate,
1295 * #GNUNET_NO if not.
1296 */
1297static int
1298reghost_match_iterator (void *cls,
1299 const struct GNUNET_HashCode *key,
1300 void *value)
1301{
1302 struct RegisteredHostContext **rh = cls;
1303 struct RegisteredHostContext *rh_val = value;
1304
1305 if ((rh_val->host == (*rh)->host) && (rh_val->reg_host == (*rh)->reg_host))
1306 {
1307 GNUNET_free (*rh);
1308 *rh = rh_val;
1309 return GNUNET_NO;
1310 }
1311 return GNUNET_YES;
1312}
1313
1314
1315/**
1316 * Function to generate the hashcode corresponding to a RegisteredHostContext
1317 *
1318 * @param reg_host the host which is being registered in RegisteredHostContext
1319 * @param host the host of the controller which has to connect to the above rhost
1320 * @return the hashcode
1321 */
1322static struct GNUNET_HashCode
1323hash_hosts (struct GNUNET_TESTBED_Host *reg_host,
1324 struct GNUNET_TESTBED_Host *host)
1325{
1326 struct GNUNET_HashCode hash;
1327 uint32_t host_ids[2];
1328
1329 host_ids[0] = GNUNET_TESTBED_host_get_id_ (reg_host);
1330 host_ids[1] = GNUNET_TESTBED_host_get_id_ (host);
1331 GNUNET_CRYPTO_hash (host_ids, sizeof(host_ids), &hash);
1332 return hash;
1333}
1334
1335
1336/**
1337 * Checks if the given host is registered at the given slave.
1338 *
1339 * @param slave the slave where registration has to be checked. The check is
1340 * actually done through a locally maintained hashmap. No
1341 * communication with the slave is involved.
1342 * @param host the host to register
1343 * @return If the given host is not registered already or the registration is
1344 * pending, it returns the registration context. Any overlay connects
1345 * to be forwarded should be queued in the context so that they can be
1346 * executed when the registration is completed. If the given host is
1347 * already registered, NULL is returned.
1348 */
1349static struct RegisteredHostContext *
1350register_host (struct Slave *slave,
1351 struct GNUNET_TESTBED_Host *host)
1352{
1353 struct GNUNET_HashCode hash;
1354 struct RegisteredHostContext *rhc;
1355
1356 rhc = GNUNET_new (struct RegisteredHostContext);
1357 rhc->reg_host = host;
1358 rhc->host = GST_host_list[slave->host_id];
1359 GNUNET_assert (NULL != rhc->reg_host);
1360 GNUNET_assert (NULL != rhc->host);
1361 rhc->state = RHC_INIT;
1362 hash = hash_hosts (rhc->reg_host, rhc->host);
1363 if ((GNUNET_NO ==
1364 GNUNET_CONTAINER_multihashmap_contains (slave->reghost_map,
1365 &hash)) ||
1366 (GNUNET_SYSERR !=
1367 GNUNET_CONTAINER_multihashmap_get_multiple (slave->reghost_map,
1368 &hash,
1369 reghost_match_iterator,
1370 &rhc)))
1371 {
1372 /* create and add a new registered host context */
1373 /* add the focc to its queue */
1374 GNUNET_CONTAINER_multihashmap_put (slave->reghost_map,
1375 &hash,
1376 rhc,
1377 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
1378 GST_queue_host_registration (slave,
1379 host_registration_comp,
1380 rhc,
1381 rhc->reg_host);
1382 }
1383 else
1384 {
1385 /* rhc is now set to the existing one from the hash map by
1386 * reghost_match_iterator() */
1387 /* if queue is empty then ignore creating focc and proceed with normal
1388 * forwarding */
1389 if (RHC_DONE == rhc->state)
1390 return NULL;
1391 }
1392 return rhc;
1393}
1394
1395
1396/**
1397 * Forwards the overlay connect request to a slave controller. Before
1398 * forwarding, any hosts which are needed to be known by the slave controller to
1399 * execute the overlay connect request are registered at slave.
1400 *
1401 * @param msg the overlay connect request message to be forwarded
1402 * @param client the client to which the status of the forwarded request has to
1403 * be notified
1404 */
1405static void
1406forward_overlay_connect (const struct GNUNET_TESTBED_OverlayConnectMessage *msg,
1407 struct GNUNET_SERVICE_Client *client)
1408{
1409 struct ForwardedOperationContext *fopc;
1410 struct Route *route_to_peer2_host;
1411 struct Route *route_to_peer1_host;
1412 struct Peer *peer;
1413 struct RegisteredHostContext *rhc;
1414 struct ForwardedOverlayConnectContext *focc;
1415 uint64_t op_id;
1416 uint32_t peer2_host_id;
1417 uint32_t p1;
1418 uint32_t p2;
1419
1420 p1 = ntohl (msg->peer1);
1421 p2 = ntohl (msg->peer2);
1422 op_id = GNUNET_ntohll (msg->operation_id);
1423 peer2_host_id = ntohl (msg->peer2_host_id);
1424 GNUNET_assert (VALID_PEER_ID (p1));
1425 GNUNET_assert (VALID_HOST_ID (peer2_host_id));
1426 peer = GST_peer_list[p1];
1427 GNUNET_assert (GNUNET_YES == peer->is_remote);
1428 LOG_DEBUG ("0x%llx: Forwarding overlay connect\n",
1429 (unsigned long long) op_id);
1430 route_to_peer2_host = GST_find_dest_route (peer2_host_id);
1431 route_to_peer1_host = GST_find_dest_route
1432 (peer->details.remote.remote_host_id);
1433 GNUNET_assert (NULL != route_to_peer1_host);
1434 if ((NULL != route_to_peer2_host) &&
1435 (route_to_peer1_host->dest == route_to_peer2_host->dest))
1436 goto forward;
1437 /* Peer2 is either with us OR peer1 and peer2 can be reached through
1438 different subtrees OR peer2 is on a subtree unknown to us */
1439 if (NULL != (rhc = register_host (peer->details.remote.slave,
1440 GST_host_list[peer2_host_id])))
1441 {
1442 LOG_DEBUG ("Queueing forwarding FOCC for connecting peers %u and %u\n", p1,
1443 p2);
1444 focc = GNUNET_new (struct ForwardedOverlayConnectContext);
1445 focc->rhc = rhc;
1446 focc->peer1 = p1;
1447 focc->peer2 = p2;
1448 focc->peer2_host_id = peer2_host_id;
1449 focc->orig_msg = GNUNET_copy_message (&msg->header);
1450 focc->operation_id = op_id;
1451 focc->client = client;
1452 GNUNET_CONTAINER_DLL_insert_tail (rhc->focc_dll_head,
1453 rhc->focc_dll_tail,
1454 focc);
1455 return;
1456 }
1457
1458forward:
1459 LOG_DEBUG ("Forwarding without FOCC for connecting peers %u and %u\n", p1,
1460 p2);
1461 fopc = GNUNET_new (struct ForwardedOperationContext);
1462 fopc->client = client;
1463 fopc->operation_id = op_id;
1464 fopc->type = OP_OVERLAY_CONNECT;
1465 fopc->opc =
1466 GNUNET_TESTBED_forward_operation_msg_ (peer->details.remote.
1467 slave->controller, op_id,
1468 &msg->header,
1469 &GST_forwarded_operation_reply_relay,
1470 fopc);
1471 fopc->timeout_task =
1472 GNUNET_SCHEDULER_add_delayed (GST_timeout,
1473 &GST_forwarded_operation_timeout,
1474 fopc);
1475 GNUNET_CONTAINER_DLL_insert_tail (fopcq_head,
1476 fopcq_tail,
1477 fopc);
1478}
1479
1480
1481/**
1482 * Callback called when a connection to the controller of peer2 has been
1483 * established
1484 *
1485 * @param cls the overlay connect contexts
1486 * @param c handle to the controller connection
1487 */
1488static void
1489p2_controller_connect_cb (void *cls,
1490 struct GNUNET_TESTBED_Controller *c)
1491{
1492 struct OverlayConnectContext *occ = cls;
1493 struct RemotePeer2Context *rp2c;
1494 struct GNUNET_TESTBED_PeerGetConfigurationMessage cmsg;
1495
1496 GNUNET_assert (OCC_TYPE_LOCAL != occ->type);
1497 rp2c = &occ->p2ctx.remote;
1498 rp2c->ncn = NULL;
1499 rp2c->p2c = c;
1500 cmsg.header.size =
1501 htons (sizeof(struct GNUNET_TESTBED_PeerGetConfigurationMessage));
1502 cmsg.header.type =
1503 htons (GNUNET_MESSAGE_TYPE_TESTBED_GET_PEER_INFORMATION);
1504 cmsg.peer_id = htonl (occ->other_peer_id);
1505 cmsg.operation_id = GNUNET_htonll (occ->op_id);
1506 rp2c->opc =
1507 GNUNET_TESTBED_forward_operation_msg_ (rp2c->p2c,
1508 occ->op_id,
1509 &cmsg.header,
1510 &overlay_connect_get_config,
1511 occ);
1512 GNUNET_free (occ->emsg);
1513 GNUNET_asprintf (&occ->emsg,
1514 "0x%llx: Timeout while getting peer identity of peer "
1515 "with id: %u",
1516 (unsigned long long) occ->op_id,
1517 occ->other_peer_id);
1518}
1519
1520
1521/**
1522 * Handler for #GNUNET_MESSAGE_TYPE_TESTBED_OVERLAY_CONNECT messages
1523 *
1524 * @param cls identification of the client
1525 * @param msg the actual message
1526 */
1527void
1528handle_overlay_connect (void *cls,
1529 const struct GNUNET_TESTBED_OverlayConnectMessage *msg)
1530{
1531 struct GNUNET_SERVICE_Client *client = cls;
1532 struct Peer *peer;
1533 struct Peer *peer2;
1534 struct OverlayConnectContext *occ;
1535 struct Neighbour *p2n;
1536 uint64_t operation_id;
1537 uint32_t p1;
1538 uint32_t p2;
1539 uint32_t peer2_host_id;
1540
1541 p1 = ntohl (msg->peer1);
1542 p2 = ntohl (msg->peer2);
1543 if (! VALID_PEER_ID (p1))
1544 {
1545 GNUNET_break (0);
1546 GNUNET_SERVICE_client_drop (client);
1547 return;
1548 }
1549 peer = GST_peer_list[p1];
1550 operation_id = GNUNET_ntohll (msg->operation_id);
1551 LOG_DEBUG
1552 ("Received overlay connect for peers %u and %u with op id: 0x%llx\n",
1553 p1,
1554 p2,
1555 (unsigned long long) operation_id);
1556 peer2_host_id = ntohl (msg->peer2_host_id);
1557 if (GNUNET_YES == peer->is_remote)
1558 {
1559 if (! VALID_HOST_ID (peer2_host_id))
1560 {
1561 GNUNET_break (0);
1562 GNUNET_SERVICE_client_drop (client);
1563 return;
1564 }
1565 forward_overlay_connect (msg, client);
1566 GNUNET_SERVICE_client_continue (client);
1567 return;
1568 }
1569 p2n = NULL;
1570 occ = GNUNET_new (struct OverlayConnectContext);
1571 occ->type = OCC_TYPE_LOCAL;
1572 if (! VALID_PEER_ID (p2)) /* May be peer2 is on a another controller */
1573 {
1574 if (NULL == (p2n = GST_get_neighbour (peer2_host_id)))
1575 {
1576 if (! VALID_HOST_ID (peer2_host_id))
1577 {
1578 GNUNET_break (0);
1579 LOG (GNUNET_ERROR_TYPE_WARNING,
1580 "0x%llx: Peer %u's host not in our neighbours list\n",
1581 (unsigned long long) operation_id, p2);
1582 GNUNET_SERVICE_client_drop (client);
1583 GNUNET_free (occ);
1584 return;
1585 }
1586 p2n = GST_create_neighbour (GST_host_list[peer2_host_id]);
1587 }
1588 occ->type = OCC_TYPE_REMOTE_LATERAL;
1589 occ->p2ctx.remote.p2n = p2n;
1590 }
1591 else if (GNUNET_YES == GST_peer_list[p2]->is_remote)
1592 {
1593 occ->type = OCC_TYPE_REMOTE_SLAVE;
1594 occ->p2ctx.remote.p2c = GST_peer_list[p2]->details.remote.slave->controller;
1595 }
1596 GNUNET_CONTAINER_DLL_insert_tail (occq_head,
1597 occq_tail,
1598 occ);
1599 occ->client = client;
1600 occ->other_peer_id = p2;
1601 GST_peer_list[p1]->reference_cnt++;
1602 occ->peer = GST_peer_list[p1];
1603 occ->op_id = operation_id;
1604 GNUNET_assert (NULL == occ->timeout_task);
1605 occ->timeout_task =
1606 GNUNET_SCHEDULER_add_delayed (GST_timeout,
1607 &timeout_overlay_connect,
1608 occ);
1609 switch (occ->type)
1610 {
1611 case OCC_TYPE_REMOTE_LATERAL:
1612 GNUNET_asprintf (&occ->emsg,
1613 "0x%llx: Timeout while acquiring connection to peer %u's "
1614 "host: %u\n",
1615 (unsigned long long) occ->op_id,
1616 occ->other_peer_id,
1617 peer2_host_id);
1618 occ->p2ctx.remote.ncn
1619 = GST_neighbour_get_connection (p2n,
1620 &p2_controller_connect_cb,
1621 occ);
1622 break;
1623
1624 case OCC_TYPE_REMOTE_SLAVE:
1625 p2_controller_connect_cb (occ,
1626 occ->p2ctx.remote.p2c);
1627 break;
1628
1629 case OCC_TYPE_LOCAL:
1630 peer2 = GST_peer_list[occ->other_peer_id];
1631 peer2->reference_cnt++;
1632 GNUNET_TESTING_peer_get_identity (peer2->details.local.peer,
1633 &occ->other_peer_identity);
1634 GNUNET_asprintf (&occ->emsg,
1635 "0x%llx: Timeout while connecting to CORE of peer with "
1636 "id: %u",
1637 (unsigned long long) occ->op_id,
1638 occ->peer->id);
1639 occ->cgh_ch =
1640 GST_connection_pool_get_handle (occ->peer->id,
1641 occ->peer->details.local.cfg,
1642 GST_CONNECTIONPOOL_SERVICE_CORE,
1643 occ_cache_get_handle_core_cb, occ,
1644 &occ->other_peer_identity,
1645 &overlay_connect_notify, occ);
1646 break;
1647 }
1648 GNUNET_SERVICE_client_continue (client);
1649}
1650
1651
1652/**
1653 * Function to cleanup RemoteOverlayConnectCtx and any associated tasks
1654 * with it
1655 *
1656 * @param rocc the RemoteOverlayConnectCtx
1657 */
1658static void
1659cleanup_rocc (struct RemoteOverlayConnectCtx *rocc)
1660{
1661 LOG_DEBUG ("0x%llx: Cleaning up rocc\n",
1662 (unsigned long long) rocc->op_id);
1663 if (NULL != rocc->attempt_connect_task_id)
1664 GNUNET_SCHEDULER_cancel (rocc->attempt_connect_task_id);
1665 if (NULL != rocc->timeout_rocc_task_id)
1666 GNUNET_SCHEDULER_cancel (rocc->timeout_rocc_task_id);
1667 if (NULL != rocc->ohh)
1668 GNUNET_TRANSPORT_offer_hello_cancel (rocc->ohh);
1669 if (NULL != rocc->tcc.csh)
1670 GNUNET_ATS_connectivity_suggest_cancel (rocc->tcc.csh);
1671 GST_connection_pool_get_handle_done (rocc->tcc.cgh_p2_th);
1672 GST_connection_pool_get_handle_done (rocc->tcc.cgh_p2_ats);
1673 GNUNET_assert (rocc->peer->reference_cnt > 0);
1674 rocc->peer->reference_cnt--;
1675 if ((GNUNET_YES == rocc->peer->destroy_flag) &&
1676 (0 == rocc->peer->reference_cnt))
1677 GST_destroy_peer (rocc->peer);
1678 GNUNET_free (rocc->hello);
1679 GNUNET_CONTAINER_DLL_remove (roccq_head,
1680 roccq_tail,
1681 rocc);
1682 GNUNET_free (rocc);
1683}
1684
1685
1686/**
1687 * Task to timeout rocc and cleanit up
1688 *
1689 * @param cls the RemoteOverlayConnectCtx
1690 */
1691static void
1692timeout_rocc_task (void *cls)
1693{
1694 struct RemoteOverlayConnectCtx *rocc = cls;
1695
1696 GNUNET_assert (rocc->timeout_rocc_task_id != NULL);
1697 rocc->timeout_rocc_task_id = NULL;
1698 LOG_DEBUG ("0x%llx: rocc timed out\n",
1699 (unsigned long long) rocc->op_id);
1700 cleanup_rocc (rocc);
1701}
1702
1703
1704/**
1705 * Function called to notify transport users that another
1706 * peer connected to us.
1707 *
1708 * @param cls the RemoteOverlayConnectContext
1709 * @param new_peer the peer that connected
1710 */
1711static void
1712cache_transport_peer_connect_notify (void *cls,
1713 const struct GNUNET_PeerIdentity *new_peer)
1714{
1715 struct RemoteOverlayConnectCtx *rocc = cls;
1716
1717 LOG_DEBUG ("0x%llx: Request Overlay connect notify\n",
1718 (unsigned long long) rocc->op_id);
1719 GNUNET_assert (0 ==
1720 memcmp (new_peer, &rocc->a_id,
1721 sizeof(struct GNUNET_PeerIdentity)));
1722 LOG_DEBUG ("0x%llx: Peer %s connected\n",
1723 (unsigned long long) rocc->op_id,
1724 GNUNET_i2s (&rocc->a_id));
1725 cleanup_rocc (rocc);
1726}
1727
1728
1729/**
1730 * Task to offer the HELLO message to the peer and ask it to connect to the peer
1731 * whose identity is in RemoteOverlayConnectCtx
1732 *
1733 * @param cls the RemoteOverlayConnectCtx
1734 */
1735static void
1736attempt_connect_task (void *cls);
1737
1738
1739/**
1740 * Task that is run when hello has been sent If tc->reason =
1741 * #GNUNET_SCHEDULER_REASON_TIMEOUT then sending HELLO failed; if
1742 * #GNUNET_SCHEDULER_REASON_READ_READY is succeeded
1743 *
1744 * @param cls the overlay connect context
1745 */
1746static void
1747rocc_hello_sent_cb (void *cls)
1748{
1749 struct RemoteOverlayConnectCtx *rocc = cls;
1750
1751 rocc->ohh = NULL;
1752 GNUNET_assert (NULL == rocc->attempt_connect_task_id);
1753 LOG_DEBUG ("0x%llx: HELLO of peer %s delivered to local peer with id: %u\n",
1754 (unsigned long long) rocc->op_id,
1755 GNUNET_i2s (&rocc->a_id),
1756 rocc->peer->id);
1757 rocc->tcc.cgh_p2_ats =
1758 GST_connection_pool_get_handle (rocc->peer->id,
1759 rocc->peer->details.local.cfg,
1760 GST_CONNECTIONPOOL_SERVICE_ATS_CONNECTIVITY,
1761 &occ_cache_get_handle_ats_rocc_cb,
1762 rocc, NULL, NULL, NULL);
1763}
1764
1765
1766/**
1767 * Task to offer the HELLO message to the peer and ask it to connect to the peer
1768 * whose identity is in RemoteOverlayConnectCtx
1769 *
1770 * @param cls the RemoteOverlayConnectCtx
1771 */
1772static void
1773attempt_connect_task (void *cls)
1774{
1775 struct RemoteOverlayConnectCtx *rocc = cls;
1776
1777 GNUNET_assert (NULL != rocc->attempt_connect_task_id);
1778 rocc->attempt_connect_task_id = NULL;
1779 LOG_DEBUG ("0x%llx: Offering HELLO of peer %s to remote peer with id: %u\n",
1780 (unsigned long long) rocc->op_id,
1781 GNUNET_i2s (&rocc->a_id),
1782 rocc->peer->id);
1783 rocc->ohh =
1784 GNUNET_TRANSPORT_offer_hello (rocc->tcc.cfg,
1785 rocc->hello,
1786 &rocc_hello_sent_cb,
1787 rocc);
1788 if (NULL == rocc->ohh)
1789 rocc->attempt_connect_task_id =
1790 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1791 (GNUNET_TIME_UNIT_MILLISECONDS,
1792 100
1793 + GNUNET_CRYPTO_random_u32
1794 (GNUNET_CRYPTO_QUALITY_WEAK, 500)),
1795 &attempt_connect_task, rocc);
1796}
1797
1798
1799/**
1800 * Callback from cache with needed handles set
1801 *
1802 * @param cls the closure passed to GST_cache_get_handle_transport()
1803 * @param ch the handle to CORE. Can be NULL if it is not requested
1804 * @param th the handle to TRANSPORT. Can be NULL if it is not requested
1805 * @param ac the handle to ATS. Can be NULL if it is not requested
1806 * @param ignore_ peer identity which is ignored in this callback
1807 */
1808static void
1809rocc_cache_get_handle_transport_cb (void *cls,
1810 struct GNUNET_CORE_Handle *ch,
1811 struct GNUNET_TRANSPORT_CoreHandle *th,
1812 struct GNUNET_ATS_ConnectivityHandle *ac,
1813 const struct GNUNET_PeerIdentity *ignore_,
1814 const struct
1815 GNUNET_CONFIGURATION_Handle *cfg)
1816{
1817 struct RemoteOverlayConnectCtx *rocc = cls;
1818
1819 if (NULL == th)
1820 {
1821 rocc->timeout_rocc_task_id =
1822 GNUNET_SCHEDULER_add_now (&timeout_rocc_task, rocc);
1823 return;
1824 }
1825 rocc->tcc.th_ = th;
1826 rocc->tcc.cfg = cfg;
1827 if (NULL !=
1828 GNUNET_TRANSPORT_core_get_mq (rocc->tcc.th_,
1829 &rocc->a_id))
1830 {
1831 LOG_DEBUG ("0x%llx: Target peer %s already connected to local peer: %u\n",
1832 (unsigned long long) rocc->op_id,
1833 GNUNET_i2s (&rocc->a_id),
1834 rocc->peer->id);
1835 cleanup_rocc (rocc);
1836 return;
1837 }
1838 rocc->attempt_connect_task_id =
1839 GNUNET_SCHEDULER_add_now (&attempt_connect_task, rocc);
1840}
1841
1842
1843/**
1844 * Check #GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT messages
1845 *
1846 * @param cls identification of the client
1847 * @param msg the actual message
1848 * @return #GNUNET_OK if @a msg is well-formed
1849 */
1850int
1851check_remote_overlay_connect (void *cls,
1852 const struct
1853 GNUNET_TESTBED_RemoteOverlayConnectMessage *msg)
1854{
1855 uint32_t peer_id;
1856 uint16_t msize;
1857 uint16_t hsize;
1858
1859 msize = ntohs (msg->header.size);
1860 if (GNUNET_MESSAGE_TYPE_HELLO != ntohs (msg->hello->type))
1861 {
1862 GNUNET_break (0);
1863 return GNUNET_SYSERR;
1864 }
1865 hsize = ntohs (msg->hello->size);
1866 if ((sizeof(struct GNUNET_TESTBED_RemoteOverlayConnectMessage) + hsize) !=
1867 msize)
1868 {
1869 GNUNET_break (0);
1870 return GNUNET_SYSERR;
1871 }
1872 peer_id = ntohl (msg->peer);
1873 if ((peer_id >= GST_peer_list_size) ||
1874 (NULL == GST_peer_list[peer_id]))
1875 {
1876 GNUNET_break_op (0);
1877 return GNUNET_SYSERR;
1878 }
1879 return GNUNET_OK;
1880}
1881
1882
1883/**
1884 * Handler for #GNUNET_MESSAGE_TYPE_TESTBED_REMOTE_OVERLAY_CONNECT messages
1885 *
1886 * @param cls identification of the client
1887 * @param msg the actual message
1888 */
1889void
1890handle_remote_overlay_connect (void *cls,
1891 const struct
1892 GNUNET_TESTBED_RemoteOverlayConnectMessage *msg)
1893{
1894 struct GNUNET_SERVICE_Client *client = cls;
1895 struct RemoteOverlayConnectCtx *rocc;
1896 struct Peer *peer;
1897 struct GNUNET_PeerIdentity pid;
1898 static char pid_str[16];
1899 uint32_t peer_id;
1900 uint16_t hsize;
1901
1902 hsize = ntohs (msg->hello->size);
1903 peer_id = ntohl (msg->peer);
1904 peer = GST_peer_list[peer_id];
1905 if (GNUNET_YES == peer->is_remote)
1906 {
1907 struct GNUNET_MessageHeader *msg2;
1908
1909 msg2 = GNUNET_copy_message (&msg->header);
1910 GNUNET_TESTBED_queue_message_ (peer->details.remote.slave->controller,
1911 msg2);
1912 GNUNET_SERVICE_client_continue (client);
1913 return;
1914 }
1915 rocc = GNUNET_new (struct RemoteOverlayConnectCtx);
1916 rocc->op_id = GNUNET_ntohll (msg->operation_id);
1917 GNUNET_CONTAINER_DLL_insert_tail (roccq_head,
1918 roccq_tail,
1919 rocc);
1920 rocc->a_id = msg->peer_identity;
1921 GNUNET_TESTING_peer_get_identity (peer->details.local.peer,
1922 &pid);
1923 (void) GNUNET_strlcpy (pid_str,
1924 GNUNET_i2s (&pid),
1925 sizeof(pid_str));
1926 LOG_DEBUG (
1927 "0x%llx: Remote overlay connect %s to peer %s with hello size: %u\n",
1928 (unsigned long long) rocc->op_id,
1929 pid_str,
1930 GNUNET_i2s (&rocc->a_id),
1931 hsize);
1932 rocc->peer = peer;
1933 rocc->peer->reference_cnt++;
1934 rocc->hello = GNUNET_malloc (hsize);
1935 GNUNET_memcpy (rocc->hello,
1936 msg->hello,
1937 hsize);
1938 rocc->tcc.cgh_p2_th =
1939 GST_connection_pool_get_handle (peer_id,
1940 rocc->peer->details.local.cfg,
1941 GST_CONNECTIONPOOL_SERVICE_TRANSPORT,
1942 &rocc_cache_get_handle_transport_cb,
1943 rocc,
1944 &rocc->a_id,
1945 &cache_transport_peer_connect_notify,
1946 rocc);
1947 rocc->timeout_rocc_task_id =
1948 GNUNET_SCHEDULER_add_delayed (GST_timeout,
1949 &timeout_rocc_task,
1950 rocc);
1951 GNUNET_SERVICE_client_continue (client);
1952}
1953
1954
1955/**
1956 * Clears all pending overlay connect contexts in queue
1957 */
1958void
1959GST_free_occq ()
1960{
1961 struct OverlayConnectContext *occ;
1962
1963 while (NULL != (occ = occq_head))
1964 cleanup_occ (occ);
1965}
1966
1967
1968/**
1969 * Clears all pending remote overlay connect contexts in queue
1970 */
1971void
1972GST_free_roccq ()
1973{
1974 struct RemoteOverlayConnectCtx *rocc;
1975
1976 while (NULL != (rocc = roccq_head))
1977 cleanup_rocc (rocc);
1978}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 17:49:32 +0000