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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "HaveNoneMessage.h"
#include "DlAbortEx.h"
#include "PeerInteraction.h"
#include "PeerMessageUtil.h"
HaveNoneMessage::HaveNoneMessage() {}
HaveNoneMessage::~HaveNoneMessage() {}
HaveNoneMessage* HaveNoneMessage::create(const char* data, int dataLength) {
if(dataLength != 1) {
throw new DlAbortEx("invalid payload size for %s, size = %d. It should be %d", "have none", dataLength, 1);
}
int id = PeerMessageUtil::getId(data);
if(id != ID) {
throw new DlAbortEx("invalid ID=%d for %s. It should be %d.",
id, "have none", ID);
}
HaveNoneMessage* haveNoneMessage = new HaveNoneMessage();
return haveNoneMessage;
}
void HaveNoneMessage::receivedAction() {
if(!peer->isFastExtensionEnabled()) {
throw new DlAbortEx("%s received while fast extension is disabled",
toString().c_str());
}
}
const char* HaveNoneMessage::getMessage() {
if(!inProgress) {
/**
* len --- 1, 4bytes
* id --- 15, 1byte
* total: 5bytes
*/
PeerMessageUtil::createPeerMessageString(msg, sizeof(msg), 1, ID);
}
return msg;
}
int HaveNoneMessage::getMessageLength() {
return sizeof(msg);
}
void HaveNoneMessage::check() const {}
string HaveNoneMessage::toString() const {
return "have none";
}
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