112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
// SPDX-License-Identifier: LGPL-3.0-or-later
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* nymea-remoteproxy
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* Tunnel proxy server for the nymea remote access
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*
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* Copyright (C) 2013 - 2024, nymea GmbH
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* Copyright (C) 2024 - 2025, chargebyte austria GmbH
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*
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* This file is part of nymea-remoteproxy.
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*
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* nymea-remoteproxy is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3
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* of the License, or (at your option) any later version.
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*
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* nymea-remoteproxy is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with nymea-remoteproxy. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "tunnelproxyserverconnection.h"
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#include "server/transportclient.h"
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#include "tunnelproxyclientconnection.h"
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namespace remoteproxy {
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TunnelProxyServerConnection::TunnelProxyServerConnection(TransportClient *transportClient, const QUuid &serverUuid, const QString &serverName, QObject *parent) :
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QObject(parent),
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m_transportClient(transportClient),
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m_serverUuid(serverUuid),
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m_serverName(serverName)
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{
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}
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TransportClient *TunnelProxyServerConnection::transportClient() const
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{
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return m_transportClient;
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}
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QUuid TunnelProxyServerConnection::serverUuid() const
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{
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return m_serverUuid;
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}
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QString TunnelProxyServerConnection::serverName() const
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{
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return m_serverName;
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}
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QList<TunnelProxyClientConnection *> TunnelProxyServerConnection::clientConnections() const
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{
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return m_clientConnections.values();
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}
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void TunnelProxyServerConnection::registerClientConnection(TunnelProxyClientConnection *clientConnection)
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{
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quint16 socketAddress = getFreeAddress();
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clientConnection->setSocketAddress(socketAddress);
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clientConnection->setServerConnection(this);
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m_clientConnectionsAddresses.insert(socketAddress, clientConnection);
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m_clientConnections.insert(clientConnection->clientUuid(), clientConnection);
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}
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void TunnelProxyServerConnection::unregisterClientConnection(TunnelProxyClientConnection *clientConnection)
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{
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m_clientConnections.remove(clientConnection->clientUuid());
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m_clientConnectionsAddresses.remove(clientConnection->socketAddress());
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clientConnection->setSocketAddress(0xFFFF);
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clientConnection->setServerConnection(nullptr);
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}
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TunnelProxyClientConnection *TunnelProxyServerConnection::getClientConnection(quint16 socketAddress)
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{
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return m_clientConnectionsAddresses.value(socketAddress);
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}
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quint16 TunnelProxyServerConnection::getFreeAddress()
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{
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m_currentAddressCounter += 1;
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quint16 address = m_currentAddressCounter;
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for (int i = 0; i < m_connectionLimit; i++) {
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if (m_clientConnectionsAddresses.contains(address) || address == 0x0000 || address == 0xFFFF) {
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address++;
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} else {
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break;
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}
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}
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Q_ASSERT_X(!m_clientConnectionsAddresses.contains(address), "TunnelProxyServerConnection", "no free address but the maximum of connections has been reached.");
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return address;
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}
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QDebug operator<<(QDebug debug, TunnelProxyServerConnection *serverConnection)
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{
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QDebugStateSaver saver(debug);
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debug.nospace() << "TunnelProxyServerConnection(";
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debug.nospace() << serverConnection->serverName() << ", ";
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debug.nospace() << serverConnection->serverUuid().toString() << ", ";
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debug.nospace() << serverConnection->transportClient() << ")";
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return debug;
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}
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}
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