source: source/ariba/communication/BaseCommunication.cpp@ 8606

Last change on this file since 8606 was 8606, checked in by Christoph Mayer, 13 years ago

-memleaks

File size: 22.6 KB
Line 
1// [License]
2// The Ariba-Underlay Copyright
3//
4// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
5//
6// Institute of Telematics
7// UniversitÀt Karlsruhe (TH)
8// Zirkel 2, 76128 Karlsruhe
9// Germany
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
20//
21// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
22// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
25// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33// The views and conclusions contained in the software and documentation
34// are those of the authors and should not be interpreted as representing
35// official policies, either expressed or implied, of the Institute of
36// Telematics.
37// [License]
38
39#include "BaseCommunication.h"
40
41#include "networkinfo/AddressDiscovery.h"
42#include "ariba/utility/types/PeerID.h"
43
44#ifdef UNDERLAY_OMNET
45 #include "ariba/communication/modules/transport/omnet/AribaOmnetModule.h"
46 #include "ariba/communication/modules/network/omnet/OmnetNetworkProtocol.h"
47 #include "ariba/utility/system/StartupWrapper.h"
48
49 using ariba::communication::AribaOmnetModule;
50 using ariba::communication::OmnetNetworkProtocol;
51 using ariba::utility::StartupWrapper;
52#endif
53
54namespace ariba {
55namespace communication {
56
57using ariba::utility::PeerID;
58
59use_logging_cpp(BaseCommunication);
60
61/// adds an endpoint to the list
62void BaseCommunication::add_endpoint( const address_v* endpoint ) {
63 if (endpoint==NULL) return;
64 BOOST_FOREACH( endpoint_reference& ref, remote_endpoints ) {
65 if (ref.endpoint->type_id() == endpoint->type_id() && *ref.endpoint == *endpoint) {
66 ref.count++;
67 return;
68 }
69 }
70 endpoint_reference ref;
71 ref.endpoint = endpoint->clone();
72 ref.count = 1;
73 remote_endpoints.push_back(ref);
74}
75
76/// removes an endpoint from the list
77void BaseCommunication::remove_endpoint( const address_v* endpoint ) {
78 if (endpoint==NULL) return;
79 for (vector<endpoint_reference>::iterator i = remote_endpoints.begin();
80 i != remote_endpoints.end(); i++) {
81 if ((*i->endpoint).type_id() == endpoint->type_id() && (*i->endpoint) == *endpoint) {
82 i->count--;
83 if (i->count==0) {
84 logging_info("No more links to " << i->endpoint->to_string() << ": terminating transports!");
85 transport->terminate(i->endpoint);
86 delete i->endpoint;
87 remote_endpoints.erase(i);
88 }
89 return;
90 }
91 }
92}
93
94BaseCommunication::BaseCommunication() {
95 this->transport = NULL;
96 this->started = false;
97}
98
99BaseCommunication::~BaseCommunication(){
100}
101
102void BaseCommunication::start() {
103 logging_info( "Starting up ..." );
104 currentSeqnum = 0;
105
106 // set local peer id
107 localDescriptor.getPeerId() = PeerID::random();
108 logging_info( "Using PeerID: " << localDescriptor.getPeerId() );
109
110 // creating transports
111 logging_info( "Creating transports ..." );
112
113#ifdef UNDERLAY_OMNET
114 AribaOmnetModule* module = StartupWrapper::getCurrentModule();
115 module->setServerPort( listenport );
116
117 transport = module;
118 network = new OmnetNetworkProtocol( module );
119#else
120 transport = new transport_peer( localDescriptor.getEndpoints() );
121#endif
122
123 logging_info( "Searching for local locators ..." );
124 /**
125 * DONT DO THAT: if(localDescriptor.getEndpoints().to_string().length() == 0)
126 * since addresses are used to initialize transport addresses
127 */
128 AddressDiscovery::discover_endpoints( localDescriptor.getEndpoints() );
129 logging_info( "Done. Local endpoints = " << localDescriptor.toString() );
130
131 transport->register_listener( this );
132 transport->start();
133
134#ifndef UNDERLAY_OMNET
135 // bind to the network change detection
136 networkMonitor.registerNotification( this );
137#endif
138
139 // base comm startup done
140 started = true;
141 logging_info( "Started up." );
142}
143
144void BaseCommunication::stop() {
145 logging_info( "Stopping transports ..." );
146
147 transport->stop();
148 delete transport;
149 started = false;
150
151 logging_info( "Stopped." );
152}
153
154bool BaseCommunication::isStarted(){
155 return started;
156}
157
158/// Sets the endpoints
159void BaseCommunication::setEndpoints( string& _endpoints ) {
160 localDescriptor.getEndpoints().assign(_endpoints);
161 logging_info("Setting local end-points: "
162 << localDescriptor.getEndpoints().to_string());
163}
164
165const LinkID BaseCommunication::establishLink(
166 const EndpointDescriptor& descriptor,
167 const LinkID& link_id,
168 const QoSParameterSet& qos,
169 const SecurityParameterSet& sec) {
170
171 // copy link id
172 LinkID linkid = link_id;
173
174 // debug
175 logging_debug( "Request to establish link" );
176
177 // create link identifier
178 if (linkid.isUnspecified()) linkid = LinkID::create();
179
180 // create link descriptor
181 logging_debug( "Creating new descriptor entry with local link id=" << linkid.toString() );
182 LinkDescriptor* ld = new LinkDescriptor();
183 ld->localLink = linkid;
184 addLink( ld );
185
186 // send a message to request new link to remote
187 logging_debug( "Send messages with request to open link to " << descriptor.toString() );
188 AribaBaseMsg baseMsg( AribaBaseMsg::typeLinkRequest, linkid );
189 baseMsg.getLocalDescriptor() = localDescriptor;
190 baseMsg.getRemoteDescriptor().getPeerId() = descriptor.getPeerId();
191
192 // serialize and send message
193 send( &baseMsg, descriptor );
194
195 return linkid;
196}
197
198void BaseCommunication::dropLink(const LinkID link) {
199
200 logging_debug( "Starting to drop link " + link.toString() );
201
202 // see if we have the link
203 LinkDescriptor& ld = queryLocalLink( link );
204 if( ld.isUnspecified() ) {
205 logging_error( "Don't know the link you want to drop "+ link.toString() );
206 return;
207 }
208
209 // tell the registered listeners
210 BOOST_FOREACH( CommunicationEvents* i, eventListener ) {
211 i->onLinkDown( link, ld.localLocator, ld.remoteLocator );
212 }
213
214 // create message to drop the link
215 logging_debug( "Sending out link close request. for us, the link is closed now" );
216 AribaBaseMsg msg( AribaBaseMsg::typeLinkClose, ld.localLink, ld.remoteLink );
217
218 // send message to drop the link
219 send( &msg, ld );
220
221 // remove from map
222 removeLink(link);
223}
224
225seqnum_t BaseCommunication::sendMessage( const LinkID lid, const Message* message) {
226
227 logging_debug( "Sending out message to link " << lid.toString() );
228
229 // query local link info
230 LinkDescriptor& ld = queryLocalLink(lid);
231 if( ld.isUnspecified() ){
232 logging_error( "Don't know the link with id " << lid.toString() );
233 return -1;
234 }
235
236 // link not up-> error
237 if( !ld.up ) {
238 logging_error("Can not send on link " << lid.toString() << ": link not up");
239 return -1;
240 }
241
242 // create message
243 AribaBaseMsg msg( AribaBaseMsg::typeData, ld.localLink, ld.remoteLink );
244
245 // encapsulate the payload message
246 msg.encapsulate( const_cast<Message*>(message) );
247
248 // send message
249 send( &msg, ld );
250
251 // return sequence number
252 return ++currentSeqnum;
253}
254
255const EndpointDescriptor& BaseCommunication::getEndpointDescriptor(const LinkID link) const {
256 if( link.isUnspecified() ){
257 return localDescriptor;
258 } else {
259 LinkDescriptor& linkDesc = queryLocalLink(link);
260 if (linkDesc.isUnspecified()) return EndpointDescriptor::UNSPECIFIED();
261 return linkDesc.remoteEndpoint;
262 }
263}
264
265void BaseCommunication::registerEventListener(CommunicationEvents* _events){
266 if( eventListener.find( _events ) == eventListener.end() )
267 eventListener.insert( _events );
268}
269
270void BaseCommunication::unregisterEventListener(CommunicationEvents* _events){
271 EventListenerSet::iterator i = eventListener.find( _events );
272 if( i != eventListener.end() )
273 eventListener.erase( i );
274}
275
276SystemEventType TransportEvent("Transport");
277SystemEventType MessageDispatchEvent("MessageDispatchEvent", TransportEvent );
278
279class DispatchMsg {
280public:
281 address_v* local;
282 address_v* remote;
283 Message* message;
284};
285
286/// called when a system event is emitted by system queue
287void BaseCommunication::handleSystemEvent(const SystemEvent& event) {
288
289 // dispatch received messages
290 if ( event.getType() == MessageDispatchEvent ){
291 logging_debug( "Forwarding message receiver" );
292 DispatchMsg* dmsg = event.getData<DispatchMsg>();
293 Message* msg = dmsg->message;
294 receiveMessage(msg, dmsg->local, dmsg->remote);
295 msg->dropPayload();
296 delete dmsg->local;
297 delete dmsg->remote;
298 delete msg;
299 delete dmsg;
300 }
301}
302
303/// called when a message is received from transport_peer
304void BaseCommunication::receive_message(transport_protocol* transport,
305 const address_vf local, const address_vf remote, const uint8_t* data,
306 size_t size) {
307
308// logging_debug( "Dispatching message" );
309
310 // convert data
311 Data data_( const_cast<uint8_t*>(data), size * 8 );
312 DispatchMsg* dmsg = new DispatchMsg();
313
314 Message* msg = new Message(data_);
315 dmsg->local = local->clone();
316 dmsg->remote = remote->clone();
317 dmsg->message = msg;
318
319 SystemQueue::instance().scheduleEvent(
320 SystemEvent( this, MessageDispatchEvent, dmsg )
321 );
322}
323
324/// handles a message from the underlay transport
325void BaseCommunication::receiveMessage(const Message* message,
326 const address_v* local, const address_v* remote ){
327
328 /// decapsulate message
329 AribaBaseMsg* msg = ((Message*)message)->decapsulate<AribaBaseMsg>();
330 logging_debug( "Receiving message of type " << msg->getTypeString() );
331
332 // handle message
333 switch (msg->getType()) {
334
335 // ---------------------------------------------------------------------
336 // data message
337 // ---------------------------------------------------------------------
338 case AribaBaseMsg::typeData: {
339 logging_debug( "Received data message, forwarding to overlay" );
340 if( messageReceiver != NULL ) {
341 messageReceiver->receiveMessage(
342 msg, msg->getRemoteLink(), NodeID::UNSPECIFIED
343 );
344 }
345 break;
346 }
347
348 // ---------------------------------------------------------------------
349 // handle link request from remote
350 // ---------------------------------------------------------------------
351 case AribaBaseMsg::typeLinkRequest: {
352 logging_debug( "Received link open request" );
353
354 /// not the correct peer id-> skip request
355 if (!msg->getRemoteDescriptor().getPeerId().isUnspecified()
356 && msg->getRemoteDescriptor().getPeerId() != localDescriptor.getPeerId()) {
357 logging_info("Received link request for "
358 << msg->getRemoteDescriptor().getPeerId().toString()
359 << "but i'm "
360 << localDescriptor.getPeerId()
361 << ": Ignoring!");
362 break;
363 }
364
365 /// only answer the first request
366 if (!queryRemoteLink(msg->getLocalLink()).isUnspecified()) {
367 logging_debug("Link request already received. Ignore!");
368 break;
369 }
370
371 /// create link ids
372 LinkID localLink = LinkID::create();
373 LinkID remoteLink = msg->getLocalLink();
374 logging_debug( "local=" << local->to_string()
375 << " remote=" << remote->to_string()
376 );
377
378 // check if link creation is allowed by ALL listeners
379 bool allowlink = true;
380 BOOST_FOREACH( CommunicationEvents* i, eventListener ){
381 allowlink &= i->onLinkRequest( localLink, local, remote );
382 }
383
384 // not allowed-> warn
385 if( !allowlink ){
386 logging_warn( "Overlay denied creation of link" );
387 return;
388 }
389
390 // create descriptor
391 LinkDescriptor* ld = new LinkDescriptor();
392 ld->localLink = localLink;
393 ld->remoteLink = remoteLink;
394 ld->localLocator = local->clone();
395 ld->remoteLocator = remote->clone();
396 ld->remoteEndpoint = msg->getLocalDescriptor();
397 add_endpoint(ld->remoteLocator);
398
399 // add layer 1-3 addresses
400 ld->remoteEndpoint.getEndpoints().add(
401 ld->remoteLocator, endpoint_set::Layer1_3 | endpoint_set::NoLoopback);
402 localDescriptor.getEndpoints().add(
403 local, endpoint_set::Layer1_3 | endpoint_set::NoLoopback);
404
405 // link is now up-> add it
406 ld->up = true;
407 addLink(ld);
408
409 // link is up!
410 logging_debug( "Link (initiated from remote) is up with "
411 << "local(id=" << ld->localLink.toString() << ","
412 << "locator=" << ld->localLocator->to_string() << ") "
413 << "remote(id=" << ld->remoteLink.toString() << ", "
414 << "locator=" << ld->remoteLocator->to_string() << ")"
415 );
416
417 // sending link request reply
418 logging_debug( "Sending link request reply with ids "
419 << "local=" << localLink.toString() << ", "
420 << "remote=" << remoteLink.toString() );
421 AribaBaseMsg reply( AribaBaseMsg::typeLinkReply, localLink, remoteLink );
422 reply.getLocalDescriptor() = localDescriptor;
423 reply.getRemoteDescriptor() = ld->remoteEndpoint;
424
425 send( &reply, *ld );
426
427 // inform listeners about new open link
428 BOOST_FOREACH( CommunicationEvents* i, eventListener ) {
429 i->onLinkUp( localLink, ld->localLocator, ld->remoteLocator);
430 }
431
432 // done
433 break;
434 }
435
436 // ---------------------------------------------------------------------
437 // handle link request reply
438 // ---------------------------------------------------------------------
439 case AribaBaseMsg::typeLinkReply: {
440 logging_debug( "Received link open reply for a link we initiated" );
441
442 // this is a reply to a link open request, so we have already
443 // a link mapping and can now set the remote link to valid
444 LinkDescriptor& ld = queryLocalLink( msg->getRemoteLink() );
445
446 // no link found-> warn!
447 if (ld.isUnspecified()) {
448 logging_warn("Failed to find local link " << msg->getRemoteLink().toString());
449 return;
450 }
451
452 // set remote locator and link id
453 ld.remoteLink = msg->getLocalLink();
454 ld.remoteLocator = remote->clone();
455 ld.remoteEndpoint.getEndpoints().add(
456 msg->getLocalDescriptor().getEndpoints(),
457 endpoint_set::Layer1_4
458 );
459
460
461 localDescriptor.getEndpoints().add(
462 msg->getRemoteDescriptor().getEndpoints(),
463 endpoint_set::Layer1_3
464 );
465 ld.up = true;
466 add_endpoint(ld.remoteLocator);
467
468 logging_debug( "Link is now up with local id "
469 << ld.localLink.toString() << " and remote id "
470 << ld.remoteLink.toString() );
471
472
473 // inform lisneters about link up event
474 BOOST_FOREACH( CommunicationEvents* i, eventListener ){
475 i->onLinkUp( ld.localLink, ld.localLocator, ld.remoteLocator );
476 }
477
478 // done
479 break;
480 }
481
482 // ---------------------------------------------------------------------
483 // handle link close requests
484 // ---------------------------------------------------------------------
485 case AribaBaseMsg::typeLinkClose: {
486 // get remote link
487 const LinkID& localLink = msg->getRemoteLink();
488 logging_debug( "Received link close request for link " << localLink.toString() );
489
490 // searching for link, not found-> warn
491 LinkDescriptor& linkDesc = queryLocalLink( localLink );
492 if (linkDesc.isUnspecified()) {
493 logging_warn("Failed to find local link " << localLink.toString());
494 return;
495 }
496
497 // inform listeners
498 BOOST_FOREACH( CommunicationEvents* i, eventListener ){
499 i->onLinkDown( linkDesc.localLink,
500 linkDesc.localLocator, linkDesc.remoteLocator );
501 }
502
503 // remove the link descriptor
504 removeLink( localLink );
505
506 // done
507 break;
508 }
509
510 // ---------------------------------------------------------------------
511 // handle link locator changes
512 // ---------------------------------------------------------------------
513 case AribaBaseMsg::typeLinkUpdate: {
514 const LinkID& localLink = msg->getRemoteLink();
515 logging_debug( "Received link update for link "
516 << localLink.toString() );
517
518 // find the link description
519 LinkDescriptor& linkDesc = queryLocalLink( localLink );
520 if (linkDesc.isUnspecified()) {
521 logging_warn("Failed to update local link "
522 << localLink.toString());
523 return;
524 }
525
526 // update the remote locator
527 const address_v* oldremote = linkDesc.remoteLocator;
528 linkDesc.remoteLocator = remote->clone();
529
530 // inform the listeners (local link has _not_ changed!)
531 BOOST_FOREACH( CommunicationEvents* i, eventListener ){
532 i->onLinkChanged(
533 linkDesc.localLink, // linkid
534 linkDesc.localLocator, // old local
535 linkDesc.localLocator, // new local
536 oldremote, // old remote
537 linkDesc.remoteLocator // new remote
538 );
539 }
540
541 // done
542 break;
543 }
544 }
545 delete msg;
546}
547
548/// add a newly allocated link to the set of links
549void BaseCommunication::addLink( LinkDescriptor* link ) {
550 linkSet.push_back( link );
551}
552
553/// remove a link from set
554void BaseCommunication::removeLink( const LinkID& localLink ) {
555 for(LinkSet::iterator i=linkSet.begin(); i != linkSet.end(); i++){
556 if( (*i)->localLink != localLink) continue;
557 remove_endpoint((*i)->remoteLocator);
558 delete *i;
559 linkSet.erase( i );
560 break;
561 }
562}
563
564/// query a descriptor by local link id
565BaseCommunication::LinkDescriptor& BaseCommunication::queryLocalLink( const LinkID& link ) const {
566 for (size_t i=0; i<linkSet.size();i++)
567 if (linkSet[i]->localLink == link) return (LinkDescriptor&)*linkSet[i];
568
569 return LinkDescriptor::UNSPECIFIED();
570}
571
572/// query a descriptor by remote link id
573BaseCommunication::LinkDescriptor& BaseCommunication::queryRemoteLink( const LinkID& link ) const {
574 for (size_t i=0; i<linkSet.size();i++)
575 if (linkSet[i]->remoteLink == link) return (LinkDescriptor&)*linkSet[i];
576
577 return LinkDescriptor::UNSPECIFIED();
578}
579
580LinkIDs BaseCommunication::getLocalLinks( const address_v* addr ) const {
581 LinkIDs ids;
582 for (size_t i=0; i<linkSet.size(); i++){
583 if( addr == NULL ){
584 ids.push_back( linkSet[i]->localLink );
585 } else {
586 if ( *linkSet[i]->remoteLocator == *addr )
587 ids.push_back( linkSet[i]->localLink );
588 }
589 }
590 return ids;
591}
592
593void BaseCommunication::onNetworkChange(const NetworkChangeInterface::NetworkChangeInfo& info){
594
595#ifdef UNDERLAY_OMNET
596
597 // we have no mobility support for simulations
598 return
599
600#endif // UNDERLAY_OMNET
601
602/*- disabled!
603
604 // we only care about address changes, not about interface changes
605 // as address changes are triggered by interface changes, we are safe here
606 if( info.type != NetworkChangeInterface::EventTypeAddressNew &&
607 info.type != NetworkChangeInterface::EventTypeAddressDelete ) return;
608
609 logging_info( "base communication is handling network address changes" );
610
611 // get all now available addresses
612 NetworkInformation networkInformation;
613 AddressInformation addressInformation;
614
615 NetworkInterfaceList interfaces = networkInformation.getInterfaces();
616 AddressList addresses;
617
618 for( NetworkInterfaceList::iterator i = interfaces.begin(); i != interfaces.end(); i++ ){
619 AddressList newaddr = addressInformation.getAddresses(*i);
620 addresses.insert( addresses.end(), newaddr.begin(), newaddr.end() );
621 }
622
623 //
624 // get current locators for the local endpoint
625 // TODO: this code is dublicate of the ctor code!!! cleanup!
626 //
627
628 NetworkProtocol::NetworkLocatorSet locators = network->getAddresses();
629 NetworkProtocol::NetworkLocatorSet::iterator i = locators.begin();
630 NetworkProtocol::NetworkLocatorSet::iterator iend = locators.end();
631
632 //
633 // remember the old local endpoint, in case it changes
634 //
635
636 EndpointDescriptor oldLocalDescriptor( localDescriptor );
637
638 //
639 // look for local locators that we can use in communication
640 //
641 // choose the first locator that is not localhost
642 //
643
644 bool foundLocator = false;
645 bool changedLocator = false;
646
647 for( ; i != iend; i++){
648 logging_debug( "local locator found " << (*i)->toString() );
649 IPv4Locator* ipv4locator = dynamic_cast<IPv4Locator*>(*i);
650
651 if( *ipv4locator != IPv4Locator::LOCALHOST &&
652 *ipv4locator != IPv4Locator::ANY &&
653 *ipv4locator != IPv4Locator::BROADCAST ){
654
655 ipv4locator->setPort( listenport );
656 changedLocator = *localDescriptor.locator != *ipv4locator;
657 localDescriptor.locator = ipv4locator;
658 logging_info( "binding to addr = " << ipv4locator->toString() );
659 foundLocator = true;
660 break;
661 }
662 } // for( ; i != iend; i++)
663
664 //
665 // if we found no locator, bind to localhost
666 //
667
668 if( !foundLocator ){
669 changedLocator = *localDescriptor.locator != IPv4Locator::LOCALHOST;
670 localDescriptor.locator = new IPv4Locator( IPv4Locator::LOCALHOST );
671 ((IPv4Locator*)(localDescriptor.locator))->setPort( listenport );
672 logging_info( "found no good local lcoator, binding to addr = " <<
673 localDescriptor.locator->toString() );
674 }
675
676 //
677 // if we have connections that have no more longer endpoints
678 // close these. they will be automatically built up again.
679 // also update the local locator in the linkset mapping
680 //
681
682 if( changedLocator ){
683
684 logging_debug( "local endp locator has changed to " << localDescriptor.toString() <<
685 ", resettings connections that end at old locator " <<
686 oldLocalDescriptor.toString());
687
688 LinkSet::iterator i = linkSet.begin();
689 LinkSet::iterator iend = linkSet.end();
690
691 for( ; i != iend; i++ ){
692
693 logging_debug( "checking connection for locator change: " <<
694 " local " << (*i).localLocator->toString() <<
695 " old " << oldLocalDescriptor.locator->toString() );
696
697 if( *((*i).localLocator) == *(oldLocalDescriptor.locator) ){
698
699 logging_debug("terminating connection to " << (*i).remoteLocator->toString() );
700 transport->terminate( oldLocalDescriptor.locator, (*i).remoteLocator );
701
702 (*i).localLocator = localDescriptor.locator;
703 }
704 } // for( ; i != iend; i++ )
705
706 // wait 500ms to give the sockets time to shut down
707 usleep( 500000 );
708
709 } else {
710
711 logging_debug( "locator has not changed, not resetting connections" );
712
713 }
714
715 //
716 // handle the connections that have no longer any
717 // valid locator. send update messages with the new
718 // locator, so the remote node updates its locator/link mapping
719 //
720
721 LinkSet::iterator iAffected = linkSet.begin();
722 LinkSet::iterator endAffected = linkSet.end();
723
724 for( ; iAffected != endAffected; iAffected++ ){
725 LinkDescriptor descr = *iAffected;
726 logging_debug( "sending out link locator update to " << descr.remoteLocator->toString() );
727
728 AribaBaseMsg updateMsg( descr.remoteLocator,
729 AribaBaseMsg::LINK_STATE_UPDATE,
730 descr.localLink, descr.remoteLink );
731
732 transport->sendMessage( &updateMsg );
733 }
734*/
735}
736
737/// sends a message to all end-points in the end-point descriptor
738void BaseCommunication::send(Message* message, const EndpointDescriptor& endpoint) {
739 Data data = data_serialize( message, DEFAULT_V );
740 transport->send( endpoint.getEndpoints(), data.getBuffer(), data.getLength() / 8);
741 data.release();
742}
743
744/// sends a message to the remote locator inside the link descriptor
745void BaseCommunication::send(Message* message, const LinkDescriptor& desc) {
746 if (desc.remoteLocator==NULL) return;
747 Data data = data_serialize( message, DEFAULT_V );
748 transport->send( desc.remoteLocator, data.getBuffer(), data.getLength() / 8);
749 data.release();
750}
751
752}} // namespace ariba, communication
Note: See TracBrowser for help on using the repository browser.