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#include "obexconnection.h"
#include "fmsmanager.h"
static QString generate_send_name(const QString &path, int transactionId, int checksum)
{
Q_UNUSED(checksum);
int slash = path.lastIndexOf('/');
int dot = path.lastIndexOf('.');
int start = slash >= 0 ? slash + 1 : 0;
int len = dot > start ? dot - start : -1;
QString base = path.mid(start, len);
QString ext;
if (len != -1) {
ext = path.mid(dot + 1);
}
return QString("%1_%2.%3").arg(base).arg(transactionId).arg(ext);
}
FmsManager::FmsManager(ObexConnection *obex, ToqManager *toq) :
QObject(toq), _obex(obex), _toq(toq),
_curTransfer(0)
{
connect(_toq, &ToqManager::disconnected,
this, &FmsManager::handleToqDisconnected);
connect(_obex, &ObexConnection::connected,
this, &FmsManager::handleObexConnected);
connect(_obex, &ObexConnection::disconnected,
this, &FmsManager::handleObexDisconnected);
_toq->setEndpointListener(ToqConnection::FMSEndpoint, this);
}
void FmsManager::handleMessage(const ToqConnection::Message &msg)
{
Q_ASSERT(msg.destination == ToqConnection::FMSEndpoint);
switch (msg.type) {
case 0x4001: // Reply to file transfer
handleTransferResult(msg.toJson().object());
break;
default:
qWarning() << "Unknown message type" << msg.type;
break;
}
}
void FmsManager::updateFile(const QString &path, const QByteArray &contents)
{
File& file = _files[path];
quint32 checksum = ToqConnection::checksum(contents);
file.mtime = QDateTime::currentDateTimeUtc();
if (checksum != file.checksum) {
file.contents = contents;
file.checksum = checksum;
_pending.insert(path);
handleQueue();
}
}
void FmsManager::deleteFile(const QString &path)
{
if (_files.contains(path)) {
_files.remove(path);
_pending.insert(path);
handleQueue();
}
}
void FmsManager::handleTransferResult(const QJsonObject &msg)
{
if (msg["transaction_id"].toInt() != _curTransferTransactionId) {
qWarning() << "Received a result for an invalid transaction id";
return;
}
int result = msg["result"].toInt();
if (result != 0) {
qWarning() << "FMS transfer file failed with result" << result;
}
cleanCurTransfer();
handleQueue();
}
void FmsManager::handleQueue()
{
if (_pending.isEmpty()) return;
if (_curTransfer) return;
if (!_obex->isConnected()) return;
QString path = *_pending.begin();
_pending.remove(path);
if (_files.contains(path)) {
File &file = _files[path];
int transactionId = _toq->newTransactionId();
QString name = generate_send_name(path, transactionId, file.checksum);
QJsonObject obj;
obj.insert("sent_file_name", name);
obj.insert("file_path", path);
obj.insert("transaction_id", transactionId);
obj.insert("checksum", qint64(file.checksum));
_toq->sendMessage(ToqConnection::FMSEndpoint, ToqConnection::FMSEndpoint + 1,
transactionId, 1, obj);
_curTransfer = _obex->put(name, file.contents);
_curTransferTransactionId = transactionId;
_curTransferPath = path;
connect(_curTransfer, &ObexTransfer::error,
this, &FmsManager::handleObexError);
} else {
// TODO Remove files!
}
}
void FmsManager::handleToqDisconnected()
{
_pending.clear();
if (_curTransfer) {
_curTransfer->cancel();
cleanCurTransfer();
}
}
void FmsManager::handleObexConnected()
{
handleQueue();
}
void FmsManager::handleObexDisconnected()
{
// Assume it's temporary and that we will eventually reconnect
}
void FmsManager::handleObexError(int response)
{
Q_ASSERT(_curTransfer == sender());
Q_UNUSED(response);
qWarning() << "OBEX error while uploading" << _curTransferPath;
cleanCurTransfer();
}
void FmsManager::cleanCurTransfer()
{
if (_curTransfer) {
_curTransfer->deleteLater();
_curTransfer = 0;
_curTransferTransactionId = 0;
_curTransferPath.clear();
}
}
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