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powersync-remoteproxy/libnymea-remoteproxy/tunnelproxy/tunnelproxyserverconnection.cpp

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4.1 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright 2013 - 2022, nymea GmbH
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* of use of nymea GmbH, available under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under
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* PURPOSE. See the GNU General Public License for more details.
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#include "tunnelproxyserverconnection.h"
#include "server/transportclient.h"
#include "tunnelproxyclientconnection.h"
namespace remoteproxy {
TunnelProxyServerConnection::TunnelProxyServerConnection(TransportClient *transportClient, const QUuid &serverUuid, const QString &serverName, QObject *parent) :
QObject(parent),
m_transportClient(transportClient),
m_serverUuid(serverUuid),
m_serverName(serverName)
{
}
TransportClient *TunnelProxyServerConnection::transportClient() const
{
return m_transportClient;
}
QUuid TunnelProxyServerConnection::serverUuid() const
{
return m_serverUuid;
}
QString TunnelProxyServerConnection::serverName() const
{
return m_serverName;
}
QList<TunnelProxyClientConnection *> TunnelProxyServerConnection::clientConnections() const
{
return m_clientConnections.values();
}
void TunnelProxyServerConnection::registerClientConnection(TunnelProxyClientConnection *clientConnection)
{
quint16 socketAddress = getFreeAddress();
clientConnection->setSocketAddress(socketAddress);
clientConnection->setServerConnection(this);
m_clientConnectionsAddresses.insert(socketAddress, clientConnection);
m_clientConnections.insert(clientConnection->clientUuid(), clientConnection);
}
void TunnelProxyServerConnection::unregisterClientConnection(TunnelProxyClientConnection *clientConnection)
{
m_clientConnections.remove(clientConnection->clientUuid());
m_clientConnectionsAddresses.remove(clientConnection->socketAddress());
clientConnection->setSocketAddress(0xFFFF);
clientConnection->setServerConnection(nullptr);
}
TunnelProxyClientConnection *TunnelProxyServerConnection::getClientConnection(quint16 socketAddress)
{
return m_clientConnectionsAddresses.value(socketAddress);
}
quint16 TunnelProxyServerConnection::getFreeAddress()
{
m_currentAddressCounter += 1;
quint16 address = m_currentAddressCounter;
for (int i = 0; i < m_connectionLimit; i++) {
if (m_clientConnectionsAddresses.contains(address) || address == 0x0000 || address == 0xFFFF) {
address++;
} else {
break;
}
}
Q_ASSERT_X(!m_clientConnectionsAddresses.contains(address), "TunnelProxyServerConnection", "no free address but the maximum of connections has been reached.");
return address;
}
QDebug operator<<(QDebug debug, TunnelProxyServerConnection *serverConnection)
{
QDebugStateSaver saver(debug);
debug.nospace() << "TunnelProxyServerConnection(";
debug.nospace() << serverConnection->serverName() << ", ";
debug.nospace() << serverConnection->serverUuid().toString() << ", ";
debug.nospace() << serverConnection->transportClient() << ")";
return debug;
}
}