107 lines
3.6 KiB
C++
107 lines
3.6 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 "DefaultExtensionMessageFactory.h"
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#include "BtContext.h"
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#include "Peer.h"
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#include "DlAbortEx.h"
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#include "HandshakeExtensionMessage.h"
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#include "UTPexExtensionMessage.h"
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#include "LogFactory.h"
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#include "Logger.h"
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#include "StringFormat.h"
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#include "PeerStorage.h"
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namespace aria2 {
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DefaultExtensionMessageFactory::DefaultExtensionMessageFactory():
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_logger(LogFactory::getInstance()) {}
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DefaultExtensionMessageFactory::DefaultExtensionMessageFactory(const BtContextHandle& btContext,
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const PeerHandle& peer):
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_btContext(btContext),
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_peer(peer),
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_logger(LogFactory::getInstance()) {}
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DefaultExtensionMessageFactory::~DefaultExtensionMessageFactory() {}
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ExtensionMessageHandle
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DefaultExtensionMessageFactory::createMessage(const unsigned char* data, size_t length)
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{
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uint8_t extensionMessageID = *data;
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if(extensionMessageID == 0) {
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// handshake
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HandshakeExtensionMessageHandle m = HandshakeExtensionMessage::create(data, length);
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m->setBtContext(_btContext);
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m->setPeer(_peer);
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return m;
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} else {
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std::string extensionName = getExtensionName(extensionMessageID);
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if(extensionName.empty()) {
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throw DlAbortEx
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(StringFormat("No extension registered for extended message ID %u",
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extensionMessageID).str());
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}
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if(extensionName == "ut_pex") {
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// uTorrent compatible Peer-Exchange
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UTPexExtensionMessageHandle m =
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UTPexExtensionMessage::create(data, length);
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m->setPeerStorage(_peerStorage);
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return m;
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} else {
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throw DlAbortEx
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(StringFormat("Unsupported extension message received. extensionMessageID=%u, extensionName=%s",
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extensionMessageID, extensionName.c_str()).str());
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}
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}
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}
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void DefaultExtensionMessageFactory::setBtContext(const BtContextHandle& btContext)
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{
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_btContext = btContext;
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}
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void DefaultExtensionMessageFactory::setPeerStorage
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(const SharedHandle<PeerStorage>& peerStorage)
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{
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_peerStorage = peerStorage;
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}
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void DefaultExtensionMessageFactory::setPeer(const PeerHandle& peer)
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{
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_peer = peer;
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}
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} // namespace aria2
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