void MrimConnection::connected()
{
QTcpSocket *socket = qobject_cast<QTcpSocket*>(sender());
Q_ASSERT(socket);
SystemIntegration::keepAlive(socket);
bool connected = false;
switch (socket->state())
{
case QAbstractSocket::ConnectedState:
connected = true;
break;
default:
break;
}
QString address = Utils::toHostPortPair(socket->peerAddress(),socket->peerPort());
if (!connected)
{
debug()<<"Connection to server"<<qPrintable(address)<<"failed! :(";
return;
}
else
{
debug()<<"Connected to server"<<qPrintable(address);
if (socket == p->IMSocket()) //temp
{
sendGreetings();
}
}
}
void Server::sendResponse() {
QTcpSocket *clientConnection = tcpServer->nextPendingConnection();
connect(clientConnection, SIGNAL(disconnected()), clientConnection, SLOT(deleteLater()));
stringstream peerStream;
peerStream << clientConnection->peerAddress().toString().toStdString()
<< ":"
<< clientConnection->peerPort();
string peer = peerStream.str();
if (clientConnection->waitForReadyRead(10000)) {
clientConnection->readLine(readBuffer, BUFFER_LEN);
string message(readBuffer);
string deviceId = "";
if (message.length() > 4) {
deviceId = message.substr(4);
}
if (message.find("GET ", 0, 4) == 0) {
string response = processGetOpertion(peer, deviceId);
clientConnection->write(response.c_str());
} else if (message.find("ADD ", 0, 4) == 0) {
bool added = processAddOpertion(deviceId);
if (added) {
clientConnection->write("ADDED");
} else {
clientConnection->write("NOT ADDED");
}
}
}
clientConnection->disconnectFromHost();
}
void ServerSktTcp::newConnection()
{
QTcpServer* server = qobject_cast<QTcpServer*>(sender());
if (!server) return;
QTcpSocket* client = server->nextPendingConnection();
while (client)
{
Conn* conn = new Conn;
if (!conn)
{
client->deleteLater();
}
else
{
client->setProperty(PROP_CONN, qVariantFromValue((void*)conn));
conn->client = client;
conn->key = TK::ipstr(client->peerAddress(),client->peerPort(), true);
connect(client, SIGNAL(readyRead()), this, SLOT(newData()));
connect(client, SIGNAL(destroyed(QObject*)), this, SLOT(close(QObject*)));
connect(client, SIGNAL(disconnected()), client, SLOT(deleteLater()));
connect(client, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(error()));
setCookie(conn->key, conn);
}
client = server->nextPendingConnection();
}
}
void ChatServer::socketDisconnected()
{
qDebug() << "socket disconnected";
QTcpSocket *senderSocket = qobject_cast<QTcpSocket *>(sender());
QString address = senderSocket->peerAddress().toString();
quint16 port = senderSocket->peerPort();
m_socketList.removeAll(senderSocket);
emit disconnected(address, port);
}
void SpotifyServer::NewConnection() {
QTcpSocket* socket = server_->nextPendingConnection();
SetDevice(socket);
qLog(Info) << "Connection from port" << socket->peerPort();
// Send any login messages that were queued before the client connected
foreach (const pb::spotify::Message& message, queued_login_messages_) {
SendOrQueueMessage(message);
}
void ConnectionThread::run()
{
Debug() << "Thread started.";
QTcpSocket sock;
socketNoNagle(sockdescr);
if (!sock.setSocketDescriptor(sockdescr)) {
Error() << sock.errorString();
return;
}
QString remoteHostPort = sock.peerAddress().toString() + ":" + QString::number(sock.peerPort());
Log() << "Connection from peer " << remoteHostPort;
QString line;
forever {
if (sock.canReadLine() || sock.waitForReadyRead()) {
line = sock.readLine().trimmed();
while (StimApp::instance()->busy()) {
// special case case, stimapp is busy so keep polling with 1s intervals
Debug() << "StimApp busy, cannot process command right now.. trying again in 1 second";
sleep(1); // keep sleeping 1 second until the stimapp is no longer busy .. this keeps us from getting given commands while we are still initializing
}
// normal case case, stimapp not busy, proceed normally
QString resp;
resp = processLine(sock, line);
if (sock.state() != QAbstractSocket::ConnectedState) {
Debug() << "processLine() closed connection";
break;
}
if (!resp.isNull()) {
if (resp.length()) {
Debug() << "Sending: " << resp;
if (!resp.endsWith("\n")) resp += "\n";
QByteArray data(resp.toUtf8());
int len = sock.write(data);
if (len != data.length()) {
Debug() << "Sent " << len << " bytes but expected to send " << data.length() << " bytes!";
}
}
Debug() << "Sending: OK";
sock.write("OK\n");
} else {
Debug() << "Sending: ERROR";
sock.write("ERROR\n");
}
} else {
if (sock.error() != QAbstractSocket::SocketTimeoutError
|| sock.state() != QAbstractSocket::ConnectedState) {
Debug() << "Socket error: " << sock.error() << " Socket state: " << sock.state();
break;
}
}
}
Log() << "Connection ended (peer: " << remoteHostPort << ")";
Debug() << "Thread exiting.";
}
void SyncServer::OnNewConnection()
{
QTcpSocket* newClient = mServer.nextPendingConnection();
QString peerName = newClient->peerAddress().toString() + ":" + QString::number(newClient->peerPort());
Q_ASSERT(mClients.find(peerName) == mClients.end()); // Make sure this user doesn't already exist
SyncClient* syncClient = new SyncClient(newClient);
mClients[peerName] = syncClient;
connect(syncClient, &SyncClient::Disconnected, this, &SyncServer::OnClientDisconnected);
connect(syncClient, &SyncClient::PacketReceived, this, &SyncServer::OnPacketReceived);
qDebug() << "Client '" << peerName << "' Connected.";
}
void Manager::registerSocket()
{
++clientsConnected;
QTcpSocket *clientConnection = tcpServer->nextPendingConnection();
reportStatus();
Q_EMIT message(tr("Client %1(%2) connected.")
.arg(clientConnection->peerAddress().toString())
.arg(clientConnection->peerPort()));
connect(clientConnection, SIGNAL(disconnected()),
this, SLOT(clearSocket()));
connect(clientConnection, SIGNAL(readyRead()), this, SLOT(readRequest()));
connect(clientConnection, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(displayError(QAbstractSocket::SocketError)));
}
void ChatServer::serverNewConnection()
{
qDebug() << "new connection";
while( m_server->hasPendingConnections() ){
QTcpSocket *socket = m_server->nextPendingConnection();
QString address = socket->peerAddress().toString();
quint16 port = socket->peerPort();
connect(socket, &QTcpSocket::readyRead, this, &ChatServer::socketReadyRead);
connect(socket,&QTcpSocket::disconnected, this, &ChatServer::socketDisconnected);
m_socketList << socket;
emit connected(address, port);
}
}
void SpotifyServer::NewConnection() {
QTcpSocket* socket = server_->nextPendingConnection();
SetDevice(socket);
qLog(Info) << "Connection from port" << socket->peerPort();
// Send any login messages that were queued before the client connected
for (const pb::spotify::Message& message : queued_login_messages_) {
SendOrQueueMessage(message);
}
queued_login_messages_.clear();
// Don't take any more connections from clients
disconnect(server_, SIGNAL(newConnection()), this, 0);
}
/**
*函数介绍:跟踪server端socket状态
*输入参数:服务端socket状态
*返回值:无
*/
void TcpServer::getServerSocketState(QAbstractSocket::SocketState socketState)
{
QTcpSocket *serverSocket = qobject_cast<QTcpSocket *>(sender());
QString clientIp = serverSocket->peerAddress().toString();
int clientPort = serverSocket->peerPort();
QString serverIp = this->serverAddress().toString();
int serverPort = this->serverPort();
//测试代码 是否和上面的一样的Ip和port???
QString serverIp1 = serverSocket->localAddress().toString();
int serverPort1 = serverSocket->localPort();
//测试代码
switch (socketState)
{
case QAbstractSocket::UnconnectedState:
qDebug() << "服务端：UnconnectedState:The socket is not connected.";
//Global::systemLog->append(QString(tr("网络服务端状态：断开连接状态,未连上客户端Socket.客户端IP:%1")).arg(clientIp), QString(tr("与客户端计算机断开连接，客户端IP:%1,port:%2,UnconnectedState:The socket is not connected.")).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
case QAbstractSocket::HostLookupState:
qDebug() << "服务端：HostLookupState:The socket is performing a host name lookup.";
//Global::systemLog->append(QString(tr("网络服务端状态：正在查询计算机中......客户端IP:%1")).arg(clientIp), QString(tr("正在查询客户端计算机IP:%1,port:%2,HostLookupState:The socket is performing a host name lookup.")).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
case QAbstractSocket::ConnectingState:
qDebug() << "服务端：ConnectingState:The socket has started establishing a connection.";
//Global::systemLog->append(QString(tr("网络服务端状态：正在创建网络连接......客户端IP:%1")).arg(clientIp), QString(tr("正在创建网络连接，客户端计算机IP:%1,port:%2,ConnectingState:The socket has started establishing a connection.")).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
case QAbstractSocket::ConnectedState:
qDebug() << "服务端：ConnectedState:A connection is established.";
//Global::systemLog->append(QString(tr("网络服务端状态：TCP连接创建成功.客户端IP:%1")).arg(clientIp), QString(tr("网络已经连接成功，客户端计算机IP:%1,port:%2,ConnectedState:A connection is established.")).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
case QAbstractSocket::BoundState:
qDebug() << "服务端：BoundState:The socket is bound to an address and port (for servers).";
//Global::systemLog->append(QString(tr("网络服务端状态：服务端已绑定TCP Socket.服务端IP:%1,port:%2.")).arg(serverIp).arg(serverPort), QString(tr("网络已经连接成功，本地服务端IP:%1,port:%2,客户端计算机IP:%3,port:%4,BoundState:The socket is bound to an address and port (for servers).")).arg(serverIp).arg(serverPort).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
case QAbstractSocket::ClosingState:
qDebug() << "服务端：ClosingState:The socket is about to close (data may still be waiting to be written).";
//Global::systemLog->append(QString(tr("网络服务端状态：即将关闭一个TCP Socket.客户端IP:%1")).arg(clientIp), QString(tr("网络即将关闭,远程计算机IP:%1,port:%2,ClosingState:The socket is about to close (data may still be waiting to be written).")).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
case QAbstractSocket::ListeningState:
qDebug() << "服务端：ListeningState:For internal use only.";
//Global::systemLog->append(QString(tr("网络服务端状态：Socket侦听状态.客户端IP:%1")).arg(clientIp), QString(tr("网络侦听状态,远程计算机IP:%1,port:%2")).arg(clientIp).arg(clientPort), SystemLog::INFO);
break;
default:
qDebug()<<"服务端：网络其他状态";
//Global::systemLog->append(QString(tr("网络服务端状态：其他状态.客户端IP:%1")).arg(clientIp), QString(tr("网络其他状态,远程计算机IP:%1,port:%2")).arg(clientIp).arg(clientPort), SystemLog::INFO);
}
serverSocket = 0;
}
void Server::acceptNewConnection()
{
QTcpSocket *sock = listener.nextPendingConnection();
if (!sock) {
return;
}
uint32_t addr = sock->peerAddress().toIPv4Address();
int flag = config->acl.lookup(addr);
if (flag == ACL_FLAG_DENY)
{
qDebug("Denying connection (via ACL) from %s:%u",
sock->peerAddress().toString().toLatin1().constData(),
sock->peerPort());
delete sock;
return;
}
group->AddConnection(sock, flag == ACL_FLAG_RESERVE);
}
void TcpListener::newConnection() {
QTcpSocket *socket = _server->nextPendingConnection();
if (!socket) // should never happen
return;
Session session = SessionManager::createSession();
QString clientaddr = "["+socket->peerAddress().toString()
+"]:"+QString::number(socket->peerPort());
session.setParam("clientaddr", clientaddr);
if (_idleHandlers.size() == 0) {
Log::warning(session.id()) << "cannot handle connection: no idle handler"
<< clientaddr;
// LATER leave a reply to client
delete socket;
} else {
TcpConnectionHandler *handler = _idleHandlers.takeFirst();
socket->setParent(0);
socket->moveToThread(handler->thread());
handler->processConnection(socket, session);
}
}
void Server::incomingConnection(int socketDescriptor)
{
QTcpSocket *socket = new QTcpSocket(this);
socket->setSocketDescriptor(socketDescriptor);
addPendingConnection(socket);
#ifdef DEBUG
qDebug("\nServer::incomingConnection(%i): %s:%i", socketDescriptor,
qPrintable(socket->peerAddress().toString()), socket->peerPort());
#endif
connect(socket, SIGNAL(disconnected()), SLOT(client_disconnected()));
connect(socket, SIGNAL(readyRead()), SLOT(client_readyRead()));
m_clients.insert(socket, new Client);
QccPacket(QccPacket::ConnectionAccepted).send(socket); // QccPacket::ConnectionRefused
#ifdef DEBUG
qDebug("ConnectionAccepted");
#endif
}
void ChatServer::socketReadyRead()
{
QTcpSocket *senderSocket = qobject_cast<QTcpSocket *>(sender());
QString address = senderSocket->peerAddress().toString();
quint16 port = senderSocket->peerPort();
qDebug() << "socket ready read";
qDebug() << "available bytes: " << senderSocket->bytesAvailable();
while(senderSocket->bytesAvailable() > 0){
QDataStream inStream(senderSocket);
QString message;
inStream >> message;
emit messageReceived(address, port, message);
for( auto socket: m_socketList ){
QDataStream outStream(socket);
outStream << message;
socket->flush();
}
}
}
void Server::client_disconnected()
{
QTcpSocket *socket = qobject_cast<QTcpSocket*>(sender());
if (!socket) {
qWarning("Server::client_disconnected(): Cast of sender() to QTcpSocket* failed");
return;
}
Client *client = m_clients[socket];
User *user = client->user;
if (user)
user->reset();
#ifdef DEBUG
QString username = user ? user->username() : "[no user object]";
qDebug("\nServer::client_disconnected(): '%s' (%s:%i)", qPrintable(username),
qPrintable(socket->peerAddress().toString()), socket->peerPort());
#endif
m_clients.remove(socket);
delete client;
}
/**
*函数介绍:服务端socket出错
*输入参数:无
*返回值: 无
*/
void TcpServer::serverSocketError(QAbstractSocket::SocketError socketError)
{
QTcpSocket *serverSocket = qobject_cast<QTcpSocket *>(sender());
QString clientIp = serverSocket->peerAddress().toString();
int clientPort = serverSocket->peerPort();
QString serverIp = this->serverAddress().toString();
int serverPort = this->serverPort();
emit serverSocketErrorSignal(socketError);
switch (socketError)
{
case QAbstractSocket::ConnectionRefusedError:
//Global::systemLog->append(QString(tr("网络服务端出错：拒绝连接.")).arg(clientIp), QString(tr("客户端计算机IP:%1,port:%2拒绝连接,The connection was refused by the peer (or timed out).")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
case QAbstractSocket::RemoteHostClosedError:
//Global::systemLog->append(QString(tr("网络服务端出错：远程主机关闭了连接.")).arg(clientIp), QString(tr("客户端计算机IP:%1,port:%2关闭了SOCKET连接,服务端SOCKET也即将关闭,The remote host closed the connection. ")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
case QAbstractSocket::HostNotFoundError:
//Global::systemLog->append(QString(tr("网络服务端出错：找不到远程主机.")).arg(clientIp), QString(tr("找不到客户端计算机IP:%1,port:%2,The host address was not found. ")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
case QAbstractSocket::SocketResourceError:
//Global::systemLog->append(QString(tr("网络服务端出错：Socket资源不够.")).arg(clientIp), QString(tr("本地Socket资源不够，客户端计算机IP:%1,port:%2,The local system ran out of resources (e.g., too many sockets). ")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
case QAbstractSocket::SocketTimeoutError:
//Global::systemLog->append(QString(tr("网络服务端出错：操作超时.")).arg(clientIp), QString(tr("服务端网络操作超时，客户端计算机IP:%1,port:%2,The socket operation timed out. ")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
case QAbstractSocket::DatagramTooLargeError:
//Global::systemLog->append(QString(tr("网络服务端出错：数据包过大.")).arg(clientIp), QString(tr("服务端网络数据包过大，客户端计算机IP:%1,port:%2,The socket operation timed out. ")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
case QAbstractSocket::NetworkError:
//Global::systemLog->append(QString(tr("网络服务端出错：计算机网络出错.")).arg(clientIp), QString(tr("网络出错，可能网线断开了，客户端计算机IP:%1,port:%2,The datagram was larger than the operating system's limit (which can be as low as 8192 bytes).")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
break;
default:
int i = 0;
//Global::systemLog->append(QString(tr("网络服务端出错：未知错误,SocketError:%2")).arg(clientIp).arg(socketError), QString(tr("未知错误，客户端计算机IP:%1,port:%2")).arg(clientIp).arg(clientPort), SystemLog::ERROR);
}
qDebug() << "服务端socket出错";
}
void ClientControllerWidget::updateGuiState()
{
QTcpSocket *socket = _client->getServerConnection().getSocket();
switch (socket->state()) {
case QAbstractSocket::ConnectedState:
_ui.connectionStatus->setText(tr("Connected to %1 on port %2").arg(socket->peerAddress().toString()).arg(socket->peerPort()));
_ui.savePath->setEnabled(false);
_ui.savePathButton->setEnabled(false);
break;
case QAbstractSocket::UnconnectedState:
_ui.connectionStatus->setText(tr("No connection."));
_ui.savePath->setEnabled(true);
_ui.savePathButton->setEnabled(true);
break;
}
}
/*!
\internal
*/
void QWebSocketServerPrivate::handshakeReceived()
{
if (Q_UNLIKELY(!currentSender)) {
return;
}
QTcpSocket *pTcpSocket = qobject_cast<QTcpSocket*>(currentSender->sender);
if (Q_UNLIKELY(!pTcpSocket)) {
return;
}
//When using Google Chrome the handshake in received in two parts.
//Therefore, the readyRead signal is emitted twice.
//This is a guard against the BEAST attack.
//See: https://www.imperialviolet.org/2012/01/15/beastfollowup.html
//For Safari, the handshake is delivered at once
//FIXME: For FireFox, the readyRead signal is never emitted
//This is a bug in FireFox (see https://bugzilla.mozilla.org/show_bug.cgi?id=594502)
if (!pTcpSocket->canReadLine()) {
return;
}
disconnect(pTcpSocket, &QTcpSocket::readyRead,
this, &QWebSocketServerPrivate::handshakeReceived);
Q_Q(QWebSocketServer);
bool success = false;
bool isSecure = false;
if (m_pendingConnections.length() >= maxPendingConnections()) {
pTcpSocket->close();
pTcpSocket->deleteLater();
setError(QWebSocketProtocol::CloseCodeAbnormalDisconnection,
QWebSocketServer::tr("Too many pending connections."));
return;
}
QWebSocketHandshakeRequest request(pTcpSocket->peerPort(), isSecure);
QTextStream textStream(pTcpSocket);
request.readHandshake(textStream, MAX_HEADERLINE_LENGTH, MAX_HEADERLINES);
if (request.isValid()) {
QWebSocketCorsAuthenticator corsAuthenticator(request.origin());
Q_EMIT q->originAuthenticationRequired(&corsAuthenticator);
QWebSocketHandshakeResponse response(request,
m_serverName,
corsAuthenticator.allowed(),
supportedVersions(),
supportedProtocols(),
supportedExtensions());
if (response.isValid()) {
QTextStream httpStream(pTcpSocket);
httpStream << response;
httpStream.flush();
if (response.canUpgrade()) {
QWebSocket *pWebSocket = QWebSocketPrivate::upgradeFrom(pTcpSocket,
request,
response);
if (pWebSocket) {
addPendingConnection(pWebSocket);
Q_EMIT q->newConnection();
success = true;
} else {
setError(QWebSocketProtocol::CloseCodeAbnormalDisconnection,
QWebSocketServer::tr("Upgrade to WebSocket failed."));
}
}
else {
setError(response.error(), response.errorString());
}
} else {
setError(QWebSocketProtocol::CloseCodeProtocolError,
QWebSocketServer::tr("Invalid response received."));
}
}
if (!success) {
pTcpSocket->close();
}
}
void httpServer::getClientRequest()
{
QTcpSocket *client = qobject_cast<QTcpSocket *>(sender());
if(client->canReadLine())
{
QStringList lines = QString(client->readLine()).split(QRegExp("[ \r\n][ \r\n]*"));
if(lines[0] == "GET")
{
viewMessage(QString::fromUtf8("Envoi du catalogue à ")+client->peerAddress().toString()+":"+QString::number(client->peerPort()));
QFile catalogue(QCoreApplication::applicationDirPath()+"/catalog.tmp");
catalogue.open(QIODevice::ReadOnly | QIODevice::Text);
QTextStream os(client);
QTextStream is(&catalogue);
os << "HTTP/1.1 200 OK\r\nServer: TP_Serveur_3208\r\nConnection: Keep-Alive\r\nContent-Type: text/txt\r\nContent-Length: " << catalogue.size() << "\r\n\r\n";
QString line = is.readLine();
while(!line.isNull())
{
os << line.toLocal8Bit().constData() << "\r\n";
line = is.readLine();
}
catalogue.close();
}
}
}
void ControlToMasterConnectionHandler::Private::onSocketStateChanged(QAbstractSocket::SocketState state)
{
QTcpSocket *socket = _conn->socket();
switch (state) {
case QAbstractSocket::ConnectedState:
HL_INFO(HL, QString("Connected to master server (address=%1; port=%2)").arg(socket->peerAddress().toString()).arg(socket->peerPort()).toStdString());
break;
case QAbstractSocket::UnconnectedState:
if (!_shutdown) {
HL_ERROR(HL, QString("Lost connection to master server (error=%1)").arg(socket->errorString()).toStdString());
_owner->startup(_opts);
}
emit _owner->disconnected();
break;
}
}
void serveur::newClient()
{
QTcpSocket *clientConnection = server->nextPendingConnection();
clients.push_back(clientConnection);
qDebug()<<"Serveur : nouvelle conexion : "<<clientConnection->peerPort();
}
void MainWindow::newClient()
{
if(connectedMode=="Tcp socket (QTcpServer)")
{
QTcpSocket *newClient = TcpServer.nextPendingConnection();
ui->statusBarApp->showMessage("New client connected: "+newClient->peerAddress().toString(),10000);
//connect(newClient, SIGNAL(readyRead()), this, SLOT(dataincommingUI()));
connect(newClient, SIGNAL(disconnected()), this, SLOT(clientLeave()));
connect(newClient, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(newErrorTcp(QAbstractSocket::SocketError)));
connect(newClient, SIGNAL(readyRead()), this, SLOT(newData()));
tcpSocket << new tcpClientInfo;
tcpSocket.last()->tcpSocket=newClient;
tcpSocket.last()->isConnected=true;
tcpSocket.last()->LastEditionMode=ui->comboBoxTypeTx->currentText();
QListWidgetItem *TempItem=new QListWidgetItem(QIcon(":/images/preferences-desktop-user.png"),QString::number(idConnection++)+": "+newClient->peerAddress().toString());
TempItem->setToolTip("ip: "+newClient->peerAddress().toString()+", port: "+QString::number(newClient->peerPort()));
tcpSocket.last()->ItemInList=TempItem;
ui->listWidgetClient->addItem(TempItem);
//compression part
tcpSocket.last()->compression=NULL;
switch(ui->compressionType->currentIndex())
{
case 2:
tcpSocket.last()->compression=new ZlibCompressionTcpSocket(ui->compressionBufferSize->value(),9,ui->compressionByPacket->isChecked());
break;
case 3:
tcpSocket.last()->compression=new GzipCompressionTcpSocket(ui->compressionBufferSize->value(),9,ui->compressionByPacket->isChecked());
break;
case 0:
tcpSocket.last()->compression=new Lz4HcCompressionTcpSocket();
break;
case 1:
default:
tcpSocket.last()->compression=new Lz4CompressionTcpSocket();
break;
}
}
if(connectedMode==COMBOBOXTEXTLOCALSOCK)
{
QLocalSocket *newClient = LocalServer.nextPendingConnection();
ui->statusBarApp->showMessage("New client connected",10000);
connect(newClient, SIGNAL(disconnected()), this, SLOT(clientLeave()));
connect(newClient, SIGNAL(error(QLocalSocket::LocalSocketError)), this, SLOT(newErrorLocal(QLocalSocket::LocalSocketError)));
connect(newClient, SIGNAL(readyRead()), this, SLOT(newData()));
localSocket << new localClientInfo;
localSocket.last()->localSocket=newClient;
localSocket.last()->isConnected=true;
localSocket.last()->LastEditionMode=ui->comboBoxTypeTx->currentText();
localSocket.last()->ItemInList=new QListWidgetItem(QIcon(":/images/preferences-desktop-user.png"),QString::number(idConnection++)+": Local Client");
ui->listWidgetClient->addItem(localSocket.last()->ItemInList);
//compression part
localSocket.last()->compression=NULL;
switch(ui->compressionType->currentIndex())
{
case 2:
localSocket.last()->compression=new ZlibCompressionTcpSocket(ui->compressionBufferSize->value(),9,ui->compressionByPacket->isChecked());
break;
case 3:
localSocket.last()->compression=new GzipCompressionTcpSocket(ui->compressionBufferSize->value(),9,ui->compressionByPacket->isChecked());
break;
case 0:
localSocket.last()->compression=new Lz4HcCompressionTcpSocket();
break;
case 1:
default:
localSocket.last()->compression=new Lz4CompressionTcpSocket();
break;
}
}
if(ui->listWidgetClient->count()==1)
{
ui->listWidgetClient->item(0)->setSelected(true);
updateCurrentData();
}
}
void Server::client_readyRead()
{
QTcpSocket *socket = qobject_cast<QTcpSocket*>(sender());
if (!socket) {
qWarning("Server::client_readyRead(): Cast of sender() to QTcpSocket* failed");
return;
}
#ifdef DEBUG
qDebug("\nServer::client_readyRead(): %li bytes available", (long)socket->bytesAvailable());
#endif
Client *client = m_clients[socket];
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_0);
if (client->packetSize == 0) {
if (socket->bytesAvailable() < (int)sizeof(quint32)) // packet size
return;
in >> client->packetSize;
}
if (socket->bytesAvailable() < client->packetSize)
return;
client->packetSize = 0; // reset packet size
qint32 type;
in >> type;
#ifdef DEBUG
qDebug("PacketType %i (%s) from '%s' (%s:%i)", type,
qPrintable(QccPacket::typeString((QccPacket::PacketType)type)),
qPrintable(client->user ? client->user->username() : "[no user object]"),
qPrintable(socket->peerAddress().toString()), socket->peerPort());
#endif
switch ((QccPacket::PacketType)type) {
case QccPacket::UserRegister:
{
QString username, password;
QByteArray publicKey;
in >> username >> password >> publicKey;
#ifdef DEBUG
qDebug("Username = '******' password = '******'", qPrintable(username), qPrintable(password));
#endif
if (username.isEmpty()) {
QString reason = "The username cannot be empty.";
QccPacket packet(QccPacket::RegisterFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("RegisterFailure: %s", qPrintable(reason));
#endif
break;
}
if (m_users.contains(username)) {
QString reason = QString("The username \"%1\" is not available.").arg(username);
QccPacket packet(QccPacket::RegisterFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("RegisterFailure: %s", qPrintable(reason));
#endif
break;
}
#ifdef DEBUG
qDebug("RegisterSuccess");
#endif
User *user = new User(username, password);
user->setPublicKey(publicKey);
user->setSocket(socket);
connect(user, SIGNAL(statusChanged()), SLOT(client_statusChanged()));
user->setStatus(User::Online);
m_users.insert(username, user);
saveUsers();
client->user = user;
QccPacket(QccPacket::RegisterSuccess).send(socket);
break;
}
case QccPacket::UserAuthentication:
{
QString username, password;
QByteArray publicKey;
in >> username >> password >> publicKey;
#ifdef DEBUG
qDebug("Username = '******' password = '******'", qPrintable(username), qPrintable(password));
#endif
User *user = m_users.contains(username) ? m_users[username] : NULL;
if (user && user->matchPassword(password)) {
#ifdef DEBUG
qDebug("AuthenticationSuccess");
#endif
user->setPublicKey(publicKey);
user->setSocket(socket);
user->setStatus(User::Online);
client->user = user;
QccPacket(QccPacket::AuthenticationSuccess).send(socket);
} else {
QString reason = "The username or password you entered is incorrect.";
QccPacket packet(QccPacket::AuthenticationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthenticationFailure: %s", qPrintable(reason));
#endif
}
break;
}
case QccPacket::RequestAuthorization:
{
QString username;
in >> username;
if (!m_users.contains(username)) {
QString reason = QString("The user \"%1\" does not exist.").arg(username);
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
break;
}
if (client->user->username() == username) {
QString reason = QString("You cannot add yourself.");
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
break;
}
if (client->user->containsContact(username)) {
QString reason = QString("The user \"%1\" is already on your contact list.").arg(username);
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
break;
}
User *receiver = m_users.value(username);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::RequestAuthorization);
packet.stream() << client->user->username();
packet.send(receiver->socket());
#ifdef DEBUG
qDebug("RequestAuthorization: forwarded to '%s'", qPrintable(username));
#endif
} else {
QString reason = QString("The user \"%1\" is not online.").arg(username);
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
}
break;
}
case QccPacket::AuthorizationAccepted:
{
QString username;
in >> username;
if (username.isEmpty())
break;
User *receiver = m_users[username];
if (receiver && receiver->isOnline()) {
receiver->addContact(client->user->username());
client->user->addContact(username);
saveUsers();
QccPacket packet(QccPacket::AuthorizationAccepted);
packet.stream() << client->user->username() << (qint32)client->user->status() << client->user->publicKey();
packet.send(receiver->socket());
QccPacket packet2(QccPacket::AuthorizationAccepted);
packet2.stream() << username << (qint32)receiver->status() << receiver->publicKey();
packet2.send(socket);
}
#ifdef DEBUG
qDebug("AuthorizationAccepted: forwarded to '%s'", qPrintable(username));
#endif
break;
}
case QccPacket::AuthorizationDeclined:
{
QString username;
in >> username;
if (username.isEmpty())
break;
User *receiver = m_users.value(username);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::AuthorizationDeclined);
packet.stream() << client->user->username();
packet.send(receiver->socket());
}
#ifdef DEBUG
qDebug("AuthorizationDeclined: forwarded to '%s'", qPrintable(username));
#endif
break;
}
case QccPacket::RequestContactList:
{
QccPacket packet(QccPacket::ContactList);
QSet<QString> contacts = client->user->contacts();
packet.stream() << (qint32)contacts.count();
foreach (const QString &contactName, contacts) {
User *contact = m_users.value(contactName);
if (!contact) continue;
packet.stream() << contactName << qint32(contact->status()) << contact->publicKey();
}
packet.send(socket);
#ifdef DEBUG
qDebug("ContactList: %i contacts send", contacts.count());
#endif
break;
}
case QccPacket::RemoveContact:
{
QString username;
in >> username;
if (client->user->removeContact(username)) {
QccPacket packet(QccPacket::ContactRemoved);
packet.stream() << username;
packet.send(socket);
User *receiver = m_users[username];
if (receiver && receiver->removeContact(client->user->username()) && receiver->isOnline()) {
QccPacket packet2(QccPacket::ContactRemoved);
packet2.stream() << client->user->username();
packet2.send(receiver->socket());
}
saveUsers();
#ifdef DEBUG
qDebug("ContactRemoved: contact '%s' removed", qPrintable(username));
#endif
}
break;
}
case QccPacket::Message:
{
qint32 id;
QString receiverName;
QString message;
in >> id >> receiverName >> message;
if (!client->user->containsContact(receiverName)) {
QString reason = QString("The user \"%1\" is not on your contact list.").arg(receiverName);
QccPacket packet(QccPacket::MessageFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("MessageFailure: %s", qPrintable(reason));
#endif
break;
}
User *receiver = m_users.value(receiverName);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::Message);
packet.stream() << id << client->user->username() << message;
packet.send(receiver->socket());
#ifdef DEBUG
qDebug("Message: forwarded to '%s'", qPrintable(receiverName));
#endif
} else {
QString reason = QString("The user \"%1\" is not online.").arg(receiverName);
QccPacket packet(QccPacket::MessageFailure);
packet.stream() << id << receiverName << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("MessageFailure: failed to forward to '%s' => %s",
qPrintable(receiverName), qPrintable(reason));
#endif
}
break;
}
case QccPacket::MessageSuccess:
{
qint32 id;
QString receiverName;
in >> id >> receiverName;
User *receiver = m_users.value(receiverName);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::MessageSuccess);
packet.stream() << id << client->user->username();
packet.send(receiver->socket());
#ifdef DEBUG
qDebug("MessageSuccess: forwarded to '%s'", qPrintable(receiverName));
#endif
}
break;
}
default:
qWarning("Server::client_readyRead(): Illegal PacketType %i", type);
return;
}
void MonitorServer::slotDisconnected(int descriptor)
{
for(int i=0;i<MonitorList.count();i++)
{
QTcpSocket *item = MonitorList.at(i);
if(item->socketDescriptor()==descriptor)
{
QString strLog = QString("%1(%2) disconnect MonitorServer.").arg(item->peerAddress().toString()).arg(item->peerPort());
LogFile(glbfileLog,strLog);
MonitorList.removeAt(i);
return;
}
}
return;
}
void MrimConnection::disconnected()
{
QTcpSocket *socket = qobject_cast<QTcpSocket*>(sender());
Q_ASSERT(socket);
debug()<<"Disconnected from server"<<qPrintable( Utils::toHostPortPair(socket->peerAddress(),socket->peerPort()) );
if (socket == p->SrvReqSocket())
{
if (!p->imHost.isEmpty() && p->imPort > 0)
{//all is fine, connecting to IM server
p->IMSocket()->connectToHost(p->imHost,p->imPort);
}
else
{
critical()<<"Oh god! This is epic fail! We didn't recieve any server, so connection couldn't be established!";
}
} else emit loggedOut();
}
void TCPSrc::onNewConnection()
{
while(m_tcpServer->hasPendingConnections()) {
QTcpSocket* connection = m_tcpServer->nextPendingConnection();
connect(connection, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
switch(m_sampleFormat) {
case FormatNFM:
case FormatSSB: {
quint32 id = (FormatSSB << 24) | m_nextSSBId;
MsgTCPSrcConnection* msg = MsgTCPSrcConnection::create(true, id, connection->peerAddress(), connection->peerPort());
m_nextSSBId = (m_nextSSBId + 1) & 0xffffff;
m_ssbSockets.push_back(Socket(id, connection));
msg->submit(m_uiMessageQueue, (PluginGUI*)m_tcpSrcGUI);
break;
}
case FormatS16LE: {
quint32 id = (FormatS16LE << 24) | m_nextS16leId;
MsgTCPSrcConnection* msg = MsgTCPSrcConnection::create(true, id, connection->peerAddress(), connection->peerPort());
m_nextS16leId = (m_nextS16leId + 1) & 0xffffff;
m_s16leSockets.push_back(Socket(id, connection));
msg->submit(m_uiMessageQueue, (PluginGUI*)m_tcpSrcGUI);
break;
}
default:
delete connection;
break;
}
}
}
bool ZHttpServer::startServer(quint16 port)
{
if(m_tcpServer->isListening())
return true;
if(!m_tcpServer->listen(QHostAddress::Any, port)){
qWarning() << "HttpServer: error: " << m_tcpServer->errorString();
return false;
}else{
qWarning() << "HttpServer: OK";
}
connect(m_tcpServer, &QTcpServer::newConnection, [this]{
QTcpSocket *socket = m_tcpServer->nextPendingConnection();
qWarning() << "HttpServer: new connect:" << socket->peerAddress().toString() << socket->peerName() << socket->peerPort();
connect(socket, &QTcpSocket::readyRead, [socket, this]{
HttpInfo info(socket->readAll());
qWarning() << info.url();
const QByteArray &query = info.url().query().toUtf8();
QMap<QByteArray, QByteArray> command_map;
QFileInfo fileInfo(sysroot + info.url().path());
if (fileInfo.isFile() && fileInfo.isExecutable()) {
execProcess((fileInfo.fileName() + " " + info.url().query(QUrl::FullyDecoded)).toLatin1(), socket);
return;
}
if(!query.isEmpty()) {
QByteArrayList commands = query.split('&');
qWarning() << "HttpServer: command:" << commands;
for(const QByteArray &comm : commands) {
if(comm.isEmpty())
continue;
const QByteArrayList &tmp_list = comm.split('=');
if(tmp_list.count() != 2 || tmp_list.first().isEmpty()) {
socket->write(messagePackage("", "text/Html", HttpInfo::BadRequest, QString("Grammatical errors: \"%1\"").arg(QString(comm))));
socket->close();
return;
}
command_map[tmp_list.first()] = tmp_list.last();
}
}
if(command_map.value(ACTION) == ACTION_EXEC) {
execProcess(QUrl::fromPercentEncoding(command_map.value(COMMAND)), socket);
} else {
QPointer<QTcpSocket> socket_pointer = socket;
readFile(info.url(), socket);
if (socket_pointer)
socket->close();
}
});
connect(socket, &QTcpSocket::disconnected, [socket]{
qWarning() << "HttpServer: disconnected: " << socket->peerAddress().toString() << socket->peerName() << socket->peerPort();
socket->deleteLater();
});
});
return true;
}
void TcpGateDialog::onConnected()
{
QTcpSocket* tcpSocket = (QTcpSocket*)sender();
Log2Main(tr("connected to %1:%2 succeed").arg(tcpSocket->peerAddress().toString()).arg(tcpSocket->peerPort()));
m_ndConnect.btnStart->setText(tr("Break"));
m_ndConnect.bConnected = true;
m_ndConnect.spinPort->setEnabled(false);
m_ndConnect.cbIp->setEnabled(false);
}
void Server::acceptUser() {
//to be called every time a new connection is received
QTcpSocket *socket = m_tcp_server->nextPendingConnection();
debugInfo("New incoming connection, from IP " +
socket->peerAddress().toString() +
" and port: " + QString::number(socket->peerPort()));
//check if ip is registered
if (!isThisIpRegistered(socket->peerAddress().toString())) {
//then parse user
UE new_ue;
new_ue.name = "";
new_ue.ip = socket->peerAddress().toString();
//will change when ue_name() is sent
new_ue.rx_port = 0;
m_online_users.append(new_ue);
debugInfo("New empty UE registered!");
} else {
debugInfo("user is transmitting either its name or data");
socket->waitForReadyRead(1000);
//parse data
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_0);
debugInfo("m_block_size: " + QString::number(m_block_size));
if (m_block_size == 0) {
if (socket->bytesAvailable() < (int)sizeof(quint16))
return;
in >> m_block_size;
}
debugInfo("bytes available in socket: " + QString::number(socket->bytesAvailable()));
if (socket->bytesAvailable() < m_block_size)
return;
QString message;
in >> message;
debugInfo(">Message: [" + message + "]");
ProtocolStreamType_UE type;
QStringList params = m_protocol->parseStream_UE(type, message);
switch (type) {
case UE_REGISTER:
{
QString temp_name = params.at(0);
quint16 temp_port = (quint16) params.at(1).toInt();
DLOG (INFO) << "Parsed port: " << temp_port;
if (temp_name.isEmpty()) {
m_block_size=0;
return;
}
UE temp;
int index;
if (!isThisNameRegistered(temp_name)) {
//case for same ip, different name
debugInfo("New user " + temp_name + " connected from same IP. Registering user.");
temp.name = temp_name;
temp.ip = socket->peerAddress().toString();
//parse ue_rx_port
temp.rx_port = temp_port;
index = getIndexOfUEIp(socket->peerAddress().toString());
if (m_online_users.at(index).name.isEmpty()) {
//first time, when username is still empty
if (index != -1) {
temp = m_online_users.at(index);
temp.name = temp_name;
temp.rx_port = temp_port;
m_online_users.replace(index,temp);
}
} else {
//same ip but different username, then append new UE
m_online_users.append(temp);
}
} else {
LOG (ERROR) << "User already exists on server. Notifying user...";
//inform user of currently online users
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
out << (quint16)0;
out << QString("ue_error(Existing user on server. Choose other username);");
out.device()->seek(0);
out << (quint16)(block.size() - sizeof(quint16));
DLOG (INFO) <<"Sending error message to UE ...\n";
m_log_label->setText(m_log_label->toPlainText()
+ "\nError: attempted connection with same "
"username from same IP. Sending error to client...");
socket->write(block);
//reset m_block_size
m_block_size = 0;
return;
}
DLOG (INFO) << "New user is online: " << temp;
debugInfo("Nr. online users: " + QString::number(m_online_users.size()));
if (m_log_label->toPlainText() != "") {
m_log_label->setText(m_log_label->toPlainText() + "\n[" + temp.name + "]@" +
temp.ip + ":" +
QString::number(temp.rx_port) + " is now online.");
} else {
m_log_label->setText(m_log_label->toPlainText() + "[" + temp.name + "]@" +
temp.ip + ":" +
QString::number(temp.rx_port) + " is now online.");
}
//parse online users
QString users;
for (auto user: m_online_users) {
users += user.name + "\n";
}
users.chop(1);
m_online_users_label->setText(users);
qobject_cast<QLabel*>(m_main_layout->itemAt(2)->widget())->setText("Currently online users("
+ QString::number(m_online_users.size()) + "):");
//inform user of currently online users
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
out << (quint16)0;
QStringList params;
for (auto user: m_online_users) {
params << user.name;
}
out << m_protocol->constructStream_Server(params,
ProtocolStreamType_Server::SERVER_ALL);
out.device()->seek(0);
out << (quint16)(block.size() - sizeof(quint16));
DLOG (INFO) <<"Sending information about currently online users...\n";
/*At this point, this block will be sent to all current users, not only to the
user that is currently connected*/
for (auto connection: m_online_users) {
QTcpSocket *temp_socket = new QTcpSocket(this);
temp_socket->connectToHost(QHostAddress(connection.ip), connection.rx_port);
if (!temp_socket->waitForConnected(3000)) {
LOG (ERROR) << "ERROR: Connection attempt @"
<< connection.ip.toStdString() << ":"
<< connection.rx_port << " timed out. Omitting current...";
} else {
debugInfo("Connection to client @" + connection.ip + ":"
+ QString::number(connection.rx_port) + " was established. Now sending...");
temp_socket->write(block);
if (!temp_socket->waitForBytesWritten()) {
LOG (ERROR) << "ERROR: Connection attempt @"
<< connection.ip.toStdString() << ":"
<< connection.rx_port << " timed out. Omitting current...";
} else {
debugInfo("Transmission to client @" + connection.ip + ":"
+ QString::number(connection.rx_port) + " was successful!");
}
}
temp_socket->disconnectFromHost();
if (temp_socket->state() == QAbstractSocket::UnconnectedState ||
temp_socket->waitForDisconnected(1000)) {
debugInfo("Socket disconnected.");
}
}
break;
}
case UE_ACK:
{
m_log_label->setText(m_log_label->toPlainText() + "\n" + message);
debugInfo("Going to forward user ack to destination");
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
out << (quint16)0;
out << m_protocol->constructStream_Server(QStringList(message),
ProtocolStreamType_Server::SERVER_FWD_TO_SENDER);
out.device()->seek(0);
out << (quint16)(block.size() - sizeof(quint16));
//and lookup destination details for given user
QString dest = params.at(0);
QString from = params.at(1);
unsigned int message_id = (unsigned int) params.at(2).toInt();
//Create temporary socket
QTcpSocket* dest_socket = new QTcpSocket(this);
QString dest_ip;
quint16 dest_port;
int index = getIndexOfUEName(dest);
if (index != -1) {
dest_ip = m_online_users.at(index).ip;
dest_port = m_online_users.at(index).rx_port;
debugInfo("Going to forward ack to " + dest_ip + ":" + QString::number(dest_port));
} else {
LOG (ERROR) << "ERROR: name was not found on server. Returning...";
m_block_size=0;
return;
}
dest_socket->connectToHost(QHostAddress(dest_ip), dest_port);
if (!dest_socket->waitForConnected(2000)) {
debugInfo("ERROR: request timed out");
} else {
debugInfo("Established connection with client. Forwarding user ack...");
dest_socket->write(block);
if (!dest_socket->waitForBytesWritten(5000)) {
debugInfo("ERROR: transmission timed out");
} else {
debugInfo("Success! ACK was forwarded to destination");
}
dest_socket->disconnectFromHost();
}
break;
}
case UE_ERROR:
{
debugInfo("Some error encountered by user. Returning ...");
m_block_size=0;
return;
}
case UE_MESSAGE:
{
m_log_label->setText(m_log_label->toPlainText() + "\n" + message);
//and send it back to the user
debugInfo("Going to resend message to dest client: [" + message + "]");
QString content = params.at(0);
QString dest = params.at(1);
QString from = params.at(2);
unsigned int message_id = (unsigned int) params.at(3).toInt();
DLOG (INFO) << "Message: " << content.toStdString() << ", from " << from.toStdString()
<< " and to " << dest.toStdString()
<< ", with message ID: " << message_id;
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
out << (quint16)0;
out << m_protocol->constructStream_Server(QStringList(message),
ProtocolStreamType_Server::SERVER_FWD_TO_SENDER);
out.device()->seek(0);
out << (quint16)(block.size() - sizeof(quint16));
if (dest == from) {
debugInfo("WARNING: Message intended for self UE. Sending back to user...");
socket->write(block);
if (!socket->waitForBytesWritten(2000)) {
LOG (ERROR) << "ERROR: transmission timeout";
} else {
debugInfo("Success!");
}
} else {
QTcpSocket *dest_socket = new QTcpSocket(this);
QString dest_ip;
quint16 dest_port;
int index = getIndexOfUEName(dest);
if (index != -1) {
dest_ip = m_online_users.at(index).ip;
dest_port = m_online_users.at(index).rx_port;
debugInfo("Going to forward message to " + dest_ip + ":" + QString::number(dest_port));
} else {
LOG (ERROR) << "ERROR: name was not found on server. Returning...";
m_block_size=0;
return;
}
dest_socket->connectToHost(QHostAddress(dest_ip), dest_port);
if (!dest_socket->waitForConnected(2000)) {
debugInfo("ERROR: request timed out");
} else {
debugInfo("Established connection with client. Sending...");
dest_socket->write(block);
if (!dest_socket->waitForBytesWritten(5000)) {
debugInfo("ERROR: transmission timed out");
} else {
debugInfo("Success! Message was forwarded to destination");
}
dest_socket->disconnectFromHost();
//and send an ack to the user to inform that message was received
QByteArray ack_data;
QDataStream ack(&ack_data, QIODevice::WriteOnly);
ack.setVersion(QDataStream::Qt_4_0);
ack << (quint16)0;
QStringList params;
params << from << QString::number(message_id);
ack << m_protocol->constructStream_Server(params,
ProtocolStreamType_Server::SERVER_ACK);
ack.device()->seek(0);
debugInfo("Sending ack to user: "******"ERROR: transmission timeout!";
} else {
debugInfo("Success!");
}
}
}
break;
}
case UE_UNREGISTER:
{
unregisterUser();
break;
}
case UE_TYPING:
{
debugInfo("User is typing...");
m_log_label->setText(m_log_label->toPlainText() + "\n" + message);
//no need to parse parameters, going to forward to user
QString dest = params.at(0);
QString from = params.at(1);
debugInfo(dest + "," + from);
QByteArray typing_data;
QDataStream typing_stream(&typing_data, QIODevice::WriteOnly);
typing_stream.setVersion(QDataStream::Qt_4_0);
typing_stream << (quint16)0;
QStringList typing_params;
typing_params << params.at(0) << params.at(1) << params.at(2);
typing_stream << m_protocol->constructStream_Server(typing_params,
ProtocolStreamType_Server::SERVER_FWD_TYPING);
typing_stream.device()->seek(0);
DLOG (INFO) << "Sending: " << m_protocol->constructStream_Server(typing_params,
ProtocolStreamType_Server::SERVER_FWD_TYPING).toStdString();
QTcpSocket *dest_socket = new QTcpSocket(this);
QString dest_ip;
quint16 dest_port;
int index = getIndexOfUEName(dest);
if (index != -1) {
dest_ip = m_online_users.at(index).ip;
dest_port = m_online_users.at(index).rx_port;
debugInfo("Going to forward typing info to " +
dest_ip + ":" + QString::number(dest_port));
} else {
LOG (ERROR) << "ERROR: name was not found on server. Returning...";
m_block_size=0;
return;
}
dest_socket->connectToHost(QHostAddress(dest_ip), dest_port);
if (!dest_socket->waitForConnected(2000)) {
debugInfo("ERROR: request timed out");
} else {
debugInfo("Established connection with client. Sending...");
dest_socket->write(typing_data);
if (!dest_socket->waitForBytesWritten(5000)) {
debugInfo("ERROR: transmission timed out");
} else {
debugInfo("Success! Typing information was forwarded to destination");
}
dest_socket->disconnectFromHost();
}
break;
}
default:
LOG (WARNING) << "Unrecognized stream type";
break;
}
}
//reset m_block_size
m_block_size=0;
}
