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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/IBBSendSession.h>
#include <boost/bind.hpp>
#include <Swiften/Queries/IQRouter.h>
#include <Swiften/FileTransfer/IBBRequest.h>
#include <Swiften/FileTransfer/BytestreamException.h>
namespace Swift {
IBBSendSession::IBBSendSession(const std::string& id, const JID& from, const JID& to, boost::shared_ptr<ReadBytestream> bytestream, IQRouter* router) : id(id), from(from), to(to), bytestream(bytestream), router(router), blockSize(4096), sequenceNumber(0), active(false) {
}
IBBSendSession::~IBBSendSession() {
}
void IBBSendSession::start() {
IBBRequest::ref request = IBBRequest::create(from, to, IBB::createIBBOpen(id, blockSize), router);
request->onResponse.connect(boost::bind(&IBBSendSession::handleIBBResponse, this, _1, _2));
active = true;
request->send();
}
void IBBSendSession::stop() {
if (active && router->isAvailable()) {
IBBRequest::create(from, to, IBB::createIBBClose(id), router)->send();
}
finish(boost::optional<FileTransferError>());
}
void IBBSendSession::handleIBBResponse(IBB::ref, ErrorPayload::ref error) {
if (!error && active) {
if (!bytestream->isFinished()) {
try {
std::vector<unsigned char> data = bytestream->read(blockSize);
IBBRequest::ref request = IBBRequest::create(from, to, IBB::createIBBData(id, sequenceNumber, data), router);
sequenceNumber++;
request->onResponse.connect(boost::bind(&IBBSendSession::handleIBBResponse, this, _1, _2));
request->send();
onBytesSent(data.size());
}
catch (const BytestreamException&) {
finish(FileTransferError(FileTransferError::ReadError));
}
}
else {
finish(boost::optional<FileTransferError>());
}
}
else {
finish(FileTransferError(FileTransferError::PeerError));
}
}
void IBBSendSession::finish(boost::optional<FileTransferError> error) {
active = false;
onFinished(error);
}
}
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Swift