void TWebSocketWorker::execute(int opcode, const QByteArray &payload)
{
bool sendTask = false;
QString es = TUrlRoute::splitPath(_requestPath).value(0).toLower() + "endpoint";
TDispatcher<TWebSocketEndpoint> dispatcher(es);
TWebSocketEndpoint *endpoint = dispatcher.object();
if (!endpoint) {
return;
}
try {
tSystemDebug("Found endpoint: %s", qPrintable(es));
tSystemDebug("TWebSocketWorker opcode: %d", opcode);
endpoint->sessionStore = _socket->session(); // Sets websocket session
endpoint->uuid = _socket->socketUuid();
// Database Transaction
setTransactionEnabled(endpoint->transactionEnabled());
switch (_mode) {
case Opening: {
bool res = endpoint->onOpen(_httpSession);
if (res) {
// For switch response
endpoint->taskList.prepend(qMakePair((int)TWebSocketEndpoint::OpenSuccess, QVariant()));
if (endpoint->keepAliveInterval() > 0) {
endpoint->startKeepAlive(endpoint->keepAliveInterval());
}
} else {
endpoint->taskList.prepend(qMakePair((int)TWebSocketEndpoint::OpenError, QVariant()));
}
break; }
case Closing:
if (!_socket->closing.exchange(true)) {
endpoint->onClose(Tf::GoingAway);
endpoint->unsubscribeFromAll();
}
break;
case Receiving: {
switch (opcode) {
case TWebSocketFrame::TextFrame:
endpoint->onTextReceived(QString::fromUtf8(payload));
break;
case TWebSocketFrame::BinaryFrame:
endpoint->onBinaryReceived(payload);
break;
case TWebSocketFrame::Close: {
quint16 closeCode = Tf::GoingAway;
if (payload.length() >= 2) {
QDataStream ds(payload);
ds.setByteOrder(QDataStream::BigEndian);
ds >> closeCode;
}
if (!_socket->closing.exchange(true)) {
endpoint->onClose(closeCode);
endpoint->unsubscribeFromAll();
}
endpoint->close(closeCode); // close response or disconnect
break; }
case TWebSocketFrame::Ping:
endpoint->onPing(payload);
break;
case TWebSocketFrame::Pong:
endpoint->onPong(payload);
break;
default:
tSystemWarn("Invalid opcode: 0x%x [%s:%d]", (int)opcode, __FILE__, __LINE__);
break;
}
break; }
default:
break;
}
// Sets session to the websocket
_socket->setSession(endpoint->session());
for (auto &p : endpoint->taskList) {
const QVariant &taskData = p.second;
switch (p.first) {
case TWebSocketEndpoint::OpenSuccess:
_socket->sendHandshakeResponse();
break;
case TWebSocketEndpoint::OpenError:
_socket->closing = true;
_socket->closeSent = true;
_socket->disconnect();
goto open_error;
break;
case TWebSocketEndpoint::SendText:
_socket->sendText(taskData.toString());
sendTask = true;
break;
case TWebSocketEndpoint::SendBinary:
_socket->sendBinary(taskData.toByteArray());
sendTask = true;
break;
case TWebSocketEndpoint::SendClose:
if (_socket->closing.load() && _socket->closeSent.load()) {
// close-frame sent and received
_socket->disconnect();
} else {
uint closeCode = taskData.toUInt();
_socket->sendClose(closeCode);
sendTask = true;
}
break;
case TWebSocketEndpoint::SendPing:
_socket->sendPing(taskData.toByteArray());
sendTask = true;
break;
case TWebSocketEndpoint::SendPong:
_socket->sendPong(taskData.toByteArray());
sendTask = true;
break;
case TWebSocketEndpoint::SendTextTo: {
QVariantList lst = taskData.toList();
TAbstractWebSocket *websocket = _socket->searchPeerSocket(lst[0].toByteArray());
if (websocket) {
websocket->sendText(lst[1].toString());
}
break; }
case TWebSocketEndpoint::SendBinaryTo: {
QVariantList lst = taskData.toList();
TAbstractWebSocket *websocket = _socket->searchPeerSocket(lst[0].toByteArray());
if (websocket) {
websocket->sendBinary(lst[1].toByteArray());
}
break; }
case TWebSocketEndpoint::SendCloseTo: {
QVariantList lst = taskData.toList();
TAbstractWebSocket *websocket = _socket->searchPeerSocket(lst[0].toByteArray());
if (websocket) {
websocket->sendClose(lst[1].toInt());
}
break; }
case TWebSocketEndpoint::Subscribe: {
QVariantList lst = taskData.toList();
TPublisher::instance()->subscribe(lst[0].toString(), lst[1].toBool(), _socket);
break; }
case TWebSocketEndpoint::Unsubscribe:
TPublisher::instance()->unsubscribe(taskData.toString(), _socket);
break;
case TWebSocketEndpoint::UnsubscribeFromAll:
TPublisher::instance()->unsubscribeFromAll(_socket);
break;
case TWebSocketEndpoint::PublishText: {
QVariantList lst = taskData.toList();
TPublisher::instance()->publish(lst[0].toString(), lst[1].toString(), _socket);
break; }
case TWebSocketEndpoint::PublishBinary: {
QVariantList lst = taskData.toList();
TPublisher::instance()->publish(lst[0].toString(), lst[1].toByteArray(), _socket);
break; }
case TWebSocketEndpoint::StartKeepAlive:
_socket->startKeepAlive(taskData.toInt());
break;
case TWebSocketEndpoint::StopKeepAlive:
_socket->stopKeepAlive();
break;
default:
tSystemError("Invalid logic [%s:%d]", __FILE__, __LINE__);
break;
}
}
if (!sendTask) {
// Receiving but not sending, so renew keep-alive
_socket->renewKeepAlive();
}
open_error:
// transaction
if (Q_UNLIKELY(endpoint->rollbackRequested())) {
rollbackTransactions();
} else {
// Commits a transaction to the database
commitTransactions();
}
} catch (ClientErrorException &e) {
void TWebSocketWorker::run()
{
QString es = TUrlRoute::splitPath(requestPath).value(0).toLower() + "endpoint";
TDispatcher<TWebSocketEndpoint> dispatcher(es);
TWebSocketEndpoint *endpoint = dispatcher.object();
if (endpoint) {
tSystemDebug("Found endpoint: %s", qPrintable(es));
tSystemDebug("TWebSocketWorker opcode: %d", opcode);
switch (opcode) {
case TWebSocketFrame::Continuation: // means session opening
if (sessionStore.id().isEmpty()) {
endpoint->onOpen(sessionStore);
} else {
tError("Invalid logic [%s:%d]", __FILE__, __LINE__);
}
break;
case TWebSocketFrame::TextFrame:
endpoint->onTextReceived(QString::fromUtf8(requestData));
break;
case TWebSocketFrame::BinaryFrame:
endpoint->onBinaryReceived(requestData);
break;
case TWebSocketFrame::Close:
endpoint->onClose();
endpoint->closeWebSocket();
break;
case TWebSocketFrame::Ping:
endpoint->onPing();
endpoint->sendPong();
break;
case TWebSocketFrame::Pong:
endpoint->onPong();
break;
default:
tWarn("Invalid opcode: 0x%x [%s:%d]", (int)opcode, __FILE__, __LINE__);
break;
}
// Sends payload
for (QListIterator<QVariant> it(endpoint->payloadList); it.hasNext(); ) {
const QVariant &var = it.next();
switch (var.type()) {
case QVariant::String:
socket->sendText(var.toString());
break;
case QVariant::ByteArray:
socket->sendBinary(var.toByteArray());
break;
case QVariant::Int: {
int opcode = var.toInt();
switch (opcode) {
case TWebSocketFrame::Close:
socket->disconnect();
break;
case TWebSocketFrame::Ping:
socket->sendPing();
break;
case TWebSocketFrame::Pong:
socket->sendPong();
break;
default:
tError("Invalid logic [%s:%d]", __FILE__, __LINE__);
break;
}
break; }
default:
tError("Invalid logic [%s:%d]", __FILE__, __LINE__);
break;
}
}
}
}