aria2/src/DHTMessageTrackerEntry.cc

/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#include "DHTMessageTrackerEntry.h"
#include "DHTNode.h"
#include "DHTMessage.h"
#include "DHTMessageCallback.h"
#include "DHTConstants.h"
#include "util.h"
#include "wallclock.h"

namespace aria2 {

DHTMessageTrackerEntry::DHTMessageTrackerEntry(const SharedHandle<DHTMessage>& sentMessage,
                                               time_t timeout,
                                               const SharedHandle<DHTMessageCallback>& callback):
  targetNode_(sentMessage->getRemoteNode()),
  transactionID_(sentMessage->getTransactionID()),
  messageType_(sentMessage->getMessageType()),
  callback_(callback),
  dispatchedTime_(global::wallclock),
  timeout_(timeout)
{}

bool DHTMessageTrackerEntry::isTimeout() const
{
  return dispatchedTime_.difference(global::wallclock) >= timeout_;
}

void DHTMessageTrackerEntry::extendTimeout()
{}

bool DHTMessageTrackerEntry::match(const std::string& transactionID, const std::string& ipaddr, uint16_t port) const
{
  if(transactionID_ != transactionID || targetNode_->getPort() != port) {
    return false;
  }
  if(targetNode_->getIPAddress() == ipaddr) {
    return true;
  }
  if(util::endsWith(targetNode_->getIPAddress(), ipaddr)) {
    return targetNode_->getIPAddress() == "::ffff:"+ipaddr;
  } else if(util::endsWith(ipaddr, targetNode_->getIPAddress())) {
    return ipaddr == "::ffff:"+targetNode_->getIPAddress();
  }
  return false;
}

} // namespace aria2