PingRegistration.cc

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00001 /*
00002  *    Copyright 2004-2006 Intel Corporation
00003  * 
00004  *    Licensed under the Apache License, Version 2.0 (the "License");
00005  *    you may not use this file except in compliance with the License.
00006  *    You may obtain a copy of the License at
00007  * 
00008  *        http://www.apache.org/licenses/LICENSE-2.0
00009  * 
00010  *    Unless required by applicable law or agreed to in writing, software
00011  *    distributed under the License is distributed on an "AS IS" BASIS,
00012  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  *    See the License for the specific language governing permissions and
00014  *    limitations under the License.
00015  */
00016 
00017 
00018 #include <oasys/util/ScratchBuffer.h>
00019 
00020 #include "PingRegistration.h"
00021 #include "RegistrationTable.h"
00022 #include "bundling/BundleDaemon.h"
00023 
00024 namespace dtn {
00025 
00026 PingRegistration::PingRegistration(const EndpointID& eid)
00027     : Registration(PING_REGID, eid, Registration::DEFER, 0)
00028 {
00029     logpathf("/dtn/reg/ping");
00030     set_active(true);
00031 }
00032 
00033 void
00034 PingRegistration::deliver_bundle(Bundle* bundle)
00035 {
00036     size_t payload_len = bundle->payload_.length();
00037     log_debug("%zu byte ping from %s",
00038               payload_len, bundle->source_.c_str());
00039     
00040     Bundle* reply = new Bundle();
00041     reply->source_.assign(bundle->dest_);
00042     reply->dest_.assign(bundle->source_);
00043     reply->replyto_.assign(EndpointID::NULL_EID());
00044     reply->custodian_.assign(EndpointID::NULL_EID());
00045     reply->expiration_ = bundle->expiration_;
00046 
00047     reply->payload_.set_length(payload_len);
00048     reply->payload_.write_data(&bundle->payload_, 0, payload_len, 0);
00049     
00050     BundleDaemon::post(new BundleReceivedEvent(reply, EVENTSRC_ADMIN));
00051     BundleDaemon::post(new BundleDeliveredEvent(bundle, this));
00052 }
00053 
00054 
00055 } // namespace dtn

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