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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Swiften/FileTransfer/IBBReceiveSession.h"
#include <boost/bind.hpp>
#include "Swiften/Queries/IQRouter.h"
#include "Swiften/FileTransfer/IBBRequest.h"
#include "Swiften/FileTransfer/BytestreamException.h"
namespace Swift {
IBBReceiveSession::IBBReceiveSession(const std::string& id, const JID& from, size_t size, WriteBytestream::ref bytestream, IQRouter* router) : SetResponder<IBB>(router), id(id), from(from), size(size), bytestream(bytestream), router(router), sequenceNumber(0), active(false), receivedSize(0) {
}
IBBReceiveSession::~IBBReceiveSession() {
}
void IBBReceiveSession::start() {
active = true;
}
void IBBReceiveSession::stop() {
if (active && router->isAvailable()) {
IBBRequest::create(from, IBB::createIBBClose(id), router)->send();
}
finish(boost::optional<FileTransferError>());
}
void IBBReceiveSession::finish(boost::optional<FileTransferError> error) {
active = false;
onFinished(error);
}
bool IBBReceiveSession::handleSetRequest(const JID& from, const JID&, const std::string& id, IBB::ref ibb) {
if (from == this->from && ibb->getStreamID() == id) {
if (ibb->getAction() == IBB::Data) {
if (sequenceNumber == ibb->getSequenceNumber()) {
bytestream->write(ibb->getData());
receivedSize += ibb->getData().getSize();
if (receivedSize >= size) {
if (receivedSize > size) {
std::cerr << "Warning: Received more data than expected" << std::endl;
}
finish(boost::optional<FileTransferError>());
}
}
else {
sendError(from, id, ErrorPayload::NotAcceptable, ErrorPayload::Cancel);
finish(FileTransferError(FileTransferError::ClosedError));
}
}
else if (ibb->getAction() == IBB::Open) {
sendResponse(from, id, IBB::ref());
}
else if (ibb->getAction() == IBB::Close) {
sendResponse(from, id, IBB::ref());
finish(FileTransferError(FileTransferError::ClosedError));
}
return true;
}
return false;
}
}
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Swift