mirror of https://github.com/aria2/aria2
301 lines
8.9 KiB
C++
301 lines
8.9 KiB
C++
/* <!-- 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 "DefaultBtMessageDispatcher.h"
|
|
#include "prefs.h"
|
|
#include "BtAbortOutstandingRequestEvent.h"
|
|
#include "BtCancelSendingPieceEvent.h"
|
|
#include "BtChokedEvent.h"
|
|
#include "BtChokingEvent.h"
|
|
#include "BtMessageFactory.h"
|
|
#include "message.h"
|
|
#include "BtContext.h"
|
|
#include "PeerStorage.h"
|
|
#include "PieceStorage.h"
|
|
#include "BtMessage.h"
|
|
#include "BtRegistry.h"
|
|
#include "Peer.h"
|
|
#include "Piece.h"
|
|
#include "LogFactory.h"
|
|
#include "Logger.h"
|
|
#include "a2functional.h"
|
|
#include <algorithm>
|
|
|
|
namespace aria2 {
|
|
|
|
DefaultBtMessageDispatcher::DefaultBtMessageDispatcher():
|
|
cuid(0),
|
|
maxUploadSpeedLimit(0),
|
|
requestTimeout(0),
|
|
logger(LogFactory::getInstance()) {}
|
|
|
|
DefaultBtMessageDispatcher::~DefaultBtMessageDispatcher()
|
|
{
|
|
logger->debug("DefaultBtMessageDispatcher::deleted");
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::addMessageToQueue(const BtMessageHandle& btMessage)
|
|
{
|
|
btMessage->onQueued();
|
|
messageQueue.push_back(btMessage);
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::addMessageToQueue(const BtMessages& btMessages)
|
|
{
|
|
for(BtMessages::const_iterator itr = btMessages.begin(); itr != btMessages.end(); itr++) {
|
|
addMessageToQueue(*itr);
|
|
}
|
|
}
|
|
|
|
|
|
void DefaultBtMessageDispatcher::sendMessages() {
|
|
BtMessages tempQueue;
|
|
while(messageQueue.size() > 0) {
|
|
BtMessageHandle msg = messageQueue.front();
|
|
messageQueue.pop_front();
|
|
if(maxUploadSpeedLimit > 0 &&
|
|
msg->isUploading() && !msg->isSendingInProgress()) {
|
|
TransferStat stat = peerStorage->calculateStat();
|
|
if(maxUploadSpeedLimit < stat.getUploadSpeed()) {
|
|
tempQueue.push_back(msg);
|
|
continue;
|
|
}
|
|
}
|
|
msg->send();
|
|
if(msg->isSendingInProgress()) {
|
|
messageQueue.push_front(msg);
|
|
break;
|
|
}
|
|
}
|
|
std::copy(tempQueue.begin(), tempQueue.end(), std::back_inserter(messageQueue));
|
|
}
|
|
|
|
// Cancel sending piece message to peer.
|
|
void DefaultBtMessageDispatcher::doCancelSendingPieceAction(size_t index, uint32_t begin, size_t length)
|
|
{
|
|
BtCancelSendingPieceEventHandle event
|
|
(new BtCancelSendingPieceEvent(index, begin, length));
|
|
|
|
BtMessages tempQueue = messageQueue;
|
|
for(BtMessages::iterator itr = tempQueue.begin(); itr != tempQueue.end(); itr++) {
|
|
(*itr)->handleEvent(event);
|
|
}
|
|
}
|
|
|
|
// Cancel sending piece message to peer.
|
|
// TODO Is this method really necessary?
|
|
void DefaultBtMessageDispatcher::doCancelSendingPieceAction(const PieceHandle& piece)
|
|
{
|
|
}
|
|
|
|
// localhost cancels outstanding download requests to the peer.
|
|
void DefaultBtMessageDispatcher::doAbortOutstandingRequestAction(const PieceHandle& piece) {
|
|
for(RequestSlots::iterator itr = requestSlots.begin();
|
|
itr != requestSlots.end();) {
|
|
RequestSlot& slot = *itr;
|
|
if(slot.getIndex() == piece->getIndex()) {
|
|
logger->debug(MSG_DELETING_REQUEST_SLOT,
|
|
cuid,
|
|
slot.getIndex(),
|
|
slot.getBlockIndex());
|
|
piece->cancelBlock(slot.getBlockIndex());
|
|
itr = requestSlots.erase(itr);
|
|
} else {
|
|
itr++;
|
|
}
|
|
}
|
|
|
|
BtAbortOutstandingRequestEventHandle event
|
|
(new BtAbortOutstandingRequestEvent(piece));
|
|
|
|
BtMessages tempQueue = messageQueue;
|
|
for(BtMessages::iterator itr = tempQueue.begin(); itr != tempQueue.end(); ++itr) {
|
|
(*itr)->handleEvent(event);
|
|
}
|
|
}
|
|
|
|
// localhost received choke message from the peer.
|
|
void DefaultBtMessageDispatcher::doChokedAction()
|
|
{
|
|
for(RequestSlots::iterator itr = requestSlots.begin();
|
|
itr != requestSlots.end();) {
|
|
RequestSlot& slot = *itr;
|
|
if(peer->isInPeerAllowedIndexSet(slot.getIndex())) {
|
|
itr++;
|
|
} else {
|
|
logger->debug(MSG_DELETING_REQUEST_SLOT_CHOKED,
|
|
cuid,
|
|
slot.getIndex(),
|
|
slot.getBlockIndex());
|
|
PieceHandle piece = pieceStorage->getPiece(slot.getIndex());
|
|
piece->cancelBlock(slot.getBlockIndex());
|
|
itr = requestSlots.erase(itr);
|
|
}
|
|
}
|
|
|
|
BtChokedEventHandle event(new BtChokedEvent());
|
|
|
|
BtMessages tempQueue = messageQueue;
|
|
for(BtMessages::iterator itr = tempQueue.begin(); itr != tempQueue.end(); ++itr) {
|
|
(*itr)->handleEvent(event);
|
|
}
|
|
}
|
|
|
|
// localhost dispatched choke message to the peer.
|
|
void DefaultBtMessageDispatcher::doChokingAction()
|
|
{
|
|
BtChokingEventHandle event(new BtChokingEvent());
|
|
|
|
BtMessages tempQueue = messageQueue;
|
|
for(BtMessages::iterator itr = tempQueue.begin(); itr != tempQueue.end(); ++itr) {
|
|
(*itr)->handleEvent(event);
|
|
}
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::checkRequestSlotAndDoNecessaryThing()
|
|
{
|
|
for(RequestSlots::iterator itr = requestSlots.begin();
|
|
itr != requestSlots.end();) {
|
|
RequestSlot& slot = *itr;
|
|
PieceHandle piece = pieceStorage->getPiece(slot.getIndex());
|
|
if(slot.isTimeout(requestTimeout)) {
|
|
logger->debug(MSG_DELETING_REQUEST_SLOT_TIMEOUT,
|
|
cuid,
|
|
slot.getBlockIndex());
|
|
piece->cancelBlock(slot.getBlockIndex());
|
|
peer->snubbing(true);
|
|
itr = requestSlots.erase(itr);
|
|
} else if(piece->hasBlock(slot.getBlockIndex())) {
|
|
logger->debug(MSG_DELETING_REQUEST_SLOT_ACQUIRED,
|
|
cuid,
|
|
slot.getBlockIndex());
|
|
addMessageToQueue(messageFactory->createCancelMessage(slot.getIndex(),
|
|
slot.getBegin(),
|
|
slot.getLength()));
|
|
itr = requestSlots.erase(itr);
|
|
} else {
|
|
itr++;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool DefaultBtMessageDispatcher::isSendingInProgress()
|
|
{
|
|
if(messageQueue.size() > 0) {
|
|
return messageQueue.front()->isSendingInProgress();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
size_t DefaultBtMessageDispatcher::countOutstandingRequest()
|
|
{
|
|
return requestSlots.size();
|
|
}
|
|
|
|
bool DefaultBtMessageDispatcher::isOutstandingRequest(size_t index, size_t blockIndex) {
|
|
for(RequestSlots::const_iterator itr = requestSlots.begin();
|
|
itr != requestSlots.end(); itr++) {
|
|
const RequestSlot& slot = *itr;
|
|
if(slot.getIndex() == index && slot.getBlockIndex() == blockIndex) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
RequestSlot
|
|
DefaultBtMessageDispatcher::getOutstandingRequest(size_t index, uint32_t begin, size_t length)
|
|
{
|
|
for(RequestSlots::iterator itr = requestSlots.begin();
|
|
itr != requestSlots.end(); itr++) {
|
|
if(itr->getIndex() == index &&
|
|
itr->getBegin() == begin &&
|
|
itr->getLength() == length) {
|
|
return *itr;
|
|
}
|
|
}
|
|
return RequestSlot::nullSlot;
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::removeOutstandingRequest(const RequestSlot& slot)
|
|
{
|
|
RequestSlots temp;
|
|
std::remove_copy(requestSlots.begin(), requestSlots.end(), std::back_inserter(temp), slot);
|
|
requestSlots = temp;
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::addOutstandingRequest(const RequestSlot& requestSlot)
|
|
{
|
|
if(!isOutstandingRequest(requestSlot.getIndex(), requestSlot.getBlockIndex())) {
|
|
requestSlots.push_back(requestSlot);
|
|
}
|
|
}
|
|
|
|
size_t DefaultBtMessageDispatcher::countOutstandingUpload()
|
|
{
|
|
return std::count_if(messageQueue.begin(), messageQueue.end(),
|
|
mem_fun_sh(&BtMessage::isUploading));
|
|
}
|
|
|
|
std::deque<SharedHandle<BtMessage> >&
|
|
DefaultBtMessageDispatcher::getMessageQueue()
|
|
{
|
|
return messageQueue;
|
|
}
|
|
|
|
std::deque<RequestSlot>& DefaultBtMessageDispatcher::getRequestSlots()
|
|
{
|
|
return requestSlots;
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::setPeer(const SharedHandle<Peer>& peer)
|
|
{
|
|
this->peer = peer;
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::setBtContext(const BtContextHandle& btContext)
|
|
{
|
|
this->btContext = btContext;
|
|
this->pieceStorage = PIECE_STORAGE(btContext);
|
|
this->peerStorage = PEER_STORAGE(btContext);
|
|
}
|
|
|
|
void DefaultBtMessageDispatcher::setBtMessageFactory(const WeakHandle<BtMessageFactory>& factory)
|
|
{
|
|
this->messageFactory = factory;
|
|
}
|
|
|
|
} // namespace aria2
|