deskflow/src/lib/server/ClientProxy1_3.cpp

100 lines
2.6 KiB
C++

/*
* Deskflow -- mouse and keyboard sharing utility
* SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
* SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
* SPDX-FileCopyrightText: (C) 2006 Chris Schoeneman
* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
*/
#include "server/ClientProxy1_3.h"
#include "base/IEventQueue.h"
#include "base/Log.h"
#include "deskflow/ProtocolUtil.h"
#include <cstring>
#include <memory>
//
// ClientProxy1_3
//
ClientProxy1_3::ClientProxy1_3(const std::string &name, deskflow::IStream *stream, IEventQueue *events)
: ClientProxy1_2(name, stream, events),
m_events(events)
{
setHeartbeatRate(kKeepAliveRate, kKeepAliveRate * kKeepAlivesUntilDeath);
}
ClientProxy1_3::~ClientProxy1_3()
{
// cannot do this in superclass or our override wouldn't get called
removeHeartbeatTimer();
}
void ClientProxy1_3::mouseWheel(int32_t xDelta, int32_t yDelta)
{
LOG((CLOG_DEBUG2 "send mouse wheel to \"%s\" %+d,%+d", getName().c_str(), xDelta, yDelta));
ProtocolUtil::writef(getStream(), kMsgDMouseWheel, xDelta, yDelta);
}
bool ClientProxy1_3::parseMessage(const uint8_t *code)
{
// process message
if (memcmp(code, kMsgCKeepAlive, 4) == 0) {
// reset alarm
resetHeartbeatTimer();
return true;
} else {
return ClientProxy1_2::parseMessage(code);
}
}
void ClientProxy1_3::resetHeartbeatRate()
{
setHeartbeatRate(kKeepAliveRate, kKeepAliveRate * kKeepAlivesUntilDeath);
}
void ClientProxy1_3::setHeartbeatRate(double rate, double)
{
m_keepAliveRate = rate;
ClientProxy1_2::setHeartbeatRate(rate, rate * kKeepAlivesUntilDeath);
}
void ClientProxy1_3::resetHeartbeatTimer()
{
// reset the alarm but not the keep alive timer
ClientProxy1_2::removeHeartbeatTimer();
ClientProxy1_2::addHeartbeatTimer();
}
void ClientProxy1_3::addHeartbeatTimer()
{
// create and install a timer to periodically send keep alives
if (m_keepAliveRate > 0.0) {
m_keepAliveTimer = m_events->newTimer(m_keepAliveRate, nullptr);
m_events->addHandler(EventTypes::Timer, m_keepAliveTimer, [this](const auto &) { keepAlive(); });
}
// superclass does the alarm
ClientProxy1_2::addHeartbeatTimer();
}
void ClientProxy1_3::removeHeartbeatTimer()
{
// remove the timer that sends keep alives periodically
if (m_keepAliveTimer != nullptr) {
m_events->removeHandler(EventTypes::Timer, m_keepAliveTimer);
m_events->deleteTimer(m_keepAliveTimer);
m_keepAliveTimer = nullptr;
}
// superclass does the alarm
ClientProxy1_2::removeHeartbeatTimer();
}
void ClientProxy1_3::keepAlive()
{
ProtocolUtil::writef(getStream(), kMsgCKeepAlive);
}