mirror of https://github.com/aria2/aria2
121 lines
4.0 KiB
C++
121 lines
4.0 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "DHTMessageDispatcherImpl.h"
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#include "DHTMessage.h"
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#include "DHTMessageCallback.h"
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#include "DHTMessageEntry.h"
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#include "DHTMessageTracker.h"
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#include "RecoverableException.h"
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#include "LogFactory.h"
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#include "Logger.h"
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#include "DHTConstants.h"
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#include "fmt.h"
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#include "DHTNode.h"
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#include "a2functional.h"
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namespace aria2 {
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DHTMessageDispatcherImpl::DHTMessageDispatcherImpl
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(const std::shared_ptr<DHTMessageTracker>& tracker)
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: tracker_{tracker},
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timeout_{DHT_MESSAGE_TIMEOUT}
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{}
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void
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DHTMessageDispatcherImpl::addMessageToQueue
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(std::unique_ptr<DHTMessage> message,
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time_t timeout,
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std::unique_ptr<DHTMessageCallback> callback)
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{
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messageQueue_.push_back(make_unique<DHTMessageEntry>
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(std::move(message), timeout, std::move(callback)));
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}
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void
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DHTMessageDispatcherImpl::addMessageToQueue
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(std::unique_ptr<DHTMessage> message,
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std::unique_ptr<DHTMessageCallback> callback)
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{
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addMessageToQueue(std::move(message), timeout_, std::move(callback));
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}
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bool DHTMessageDispatcherImpl::sendMessage(DHTMessageEntry* entry)
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{
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try {
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if(entry->message->send()) {
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if(!entry->message->isReply()) {
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tracker_->addMessage(entry->message.get(), entry->timeout,
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std::move(entry->callback));
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}
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A2_LOG_INFO(fmt("Message sent: %s", entry->message->toString().c_str()));
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} else {
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return false;
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}
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} catch(RecoverableException& e) {
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A2_LOG_INFO_EX(fmt("Failed to send message: %s",
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entry->message->toString().c_str()),
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e);
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// Add message to DHTMessageTracker with timeout 0 to treat it as
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// time out. Without this, we have untracked message and some of
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// DHTTask(such as DHTAbstractNodeLookupTask) don't finish
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// forever.
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if(!entry->message->isReply()) {
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tracker_->addMessage(entry->message.get(), 0,
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std::move(entry->callback));
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}
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}
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return true;
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}
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void DHTMessageDispatcherImpl::sendMessages()
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{
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auto itr = std::begin(messageQueue_);
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for(; itr != std::end(messageQueue_); ++itr) {
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if(!sendMessage((*itr).get())) {
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break;
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}
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}
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messageQueue_.erase(std::begin(messageQueue_), itr);
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A2_LOG_DEBUG(fmt("%lu dht messages remaining in the queue.",
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static_cast<unsigned long>(messageQueue_.size())));
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}
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size_t DHTMessageDispatcherImpl::countMessageInQueue() const
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{
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return messageQueue_.size();
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}
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} // namespace aria2
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