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