399 lines
10 KiB
C++
399 lines
10 KiB
C++
/*
|
|
* synergy -- mouse and keyboard sharing utility
|
|
* Copyright (C) 2002 Chris Schoeneman
|
|
*
|
|
* This package is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* found in the file COPYING that should have accompanied this file.
|
|
*
|
|
* This package is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include "CClientProxy1_0.h"
|
|
#include "CServer.h"
|
|
#include "CClipboard.h"
|
|
#include "CProtocolUtil.h"
|
|
#include "XSynergy.h"
|
|
#include "IInputStream.h"
|
|
#include "IOutputStream.h"
|
|
#include "CLock.h"
|
|
#include "CThread.h"
|
|
#include "CLog.h"
|
|
#include "CStopwatch.h"
|
|
#include <cstring>
|
|
|
|
//
|
|
// CClientProxy1_0
|
|
//
|
|
|
|
CClientProxy1_0::CClientProxy1_0(IServer* server, const CString& name,
|
|
IInputStream* input, IOutputStream* output) :
|
|
CClientProxy(server, name, input, output),
|
|
m_heartRate(kHeartRate),
|
|
m_heartDeath(kHeartRate * kHeartBeatsUntilDeath)
|
|
{
|
|
for (UInt32 i = 0; i < kClipboardEnd; ++i) {
|
|
m_clipboardDirty[i] = true;
|
|
}
|
|
}
|
|
|
|
CClientProxy1_0::~CClientProxy1_0()
|
|
{
|
|
// do nothing
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::open()
|
|
{
|
|
// send request
|
|
LOG((CLOG_DEBUG1 "querying client \"%s\" info", getName().c_str()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgQInfo);
|
|
getOutputStream()->flush();
|
|
|
|
// wait for and verify reply
|
|
UInt8 code[4];
|
|
for (;;) {
|
|
UInt32 n = getInputStream()->read(code, 4, -1.0);
|
|
if (n == 4) {
|
|
if (memcmp(code, kMsgCNoop, 4) == 0) {
|
|
// discard heartbeats
|
|
continue;
|
|
}
|
|
if (memcmp(code, kMsgDInfo, 4) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
throw XBadClient();
|
|
}
|
|
|
|
// handle reply
|
|
recvInfo(false);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::mainLoop()
|
|
{
|
|
// handle messages until the client hangs up or stops sending heartbeats
|
|
CStopwatch heartTimer;
|
|
for (;;) {
|
|
CThread::testCancel();
|
|
|
|
// wait for a message
|
|
UInt8 code[4];
|
|
UInt32 n = getInputStream()->read(code, 4, m_heartRate);
|
|
CThread::testCancel();
|
|
|
|
// check if client hungup
|
|
if (n == 0) {
|
|
LOG((CLOG_NOTE "client \"%s\" disconnected", getName().c_str()));
|
|
return;
|
|
}
|
|
|
|
// check if client has stopped sending heartbeats
|
|
if (n == (UInt32)-1) {
|
|
if (m_heartDeath >= 0.0 && heartTimer.getTime() > m_heartDeath) {
|
|
LOG((CLOG_NOTE "client \"%s\" is dead", getName().c_str()));
|
|
return;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// got a message so reset heartbeat monitor
|
|
heartTimer.reset();
|
|
|
|
// verify we got an entire code
|
|
if (n != 4) {
|
|
LOG((CLOG_ERR "incomplete message from \"%s\": %d bytes", getName().c_str(), n));
|
|
|
|
// client sent an incomplete message
|
|
throw XBadClient();
|
|
}
|
|
|
|
// parse message
|
|
LOG((CLOG_DEBUG2 "msg from \"%s\": %c%c%c%c", getName().c_str(), code[0], code[1], code[2], code[3]));
|
|
if (memcmp(code, kMsgDInfo, 4) == 0) {
|
|
recvInfo(true);
|
|
}
|
|
else if (memcmp(code, kMsgCNoop, 4) == 0) {
|
|
// discard no-ops
|
|
LOG((CLOG_DEBUG2 "no-op from", getName().c_str()));
|
|
continue;
|
|
}
|
|
else if (memcmp(code, kMsgCClipboard, 4) == 0) {
|
|
recvGrabClipboard();
|
|
}
|
|
else if (memcmp(code, kMsgDClipboard, 4) == 0) {
|
|
recvClipboard();
|
|
}
|
|
// note -- more message handlers go here
|
|
else {
|
|
LOG((CLOG_ERR "invalid message from client \"%s\"", getName().c_str()));
|
|
|
|
// unknown message
|
|
throw XBadClient();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::close()
|
|
{
|
|
LOG((CLOG_DEBUG1 "send close to \"%s\"", getName().c_str()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCClose);
|
|
|
|
// force the close to be sent before we return
|
|
getOutputStream()->flush();
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::enter(SInt32 xAbs, SInt32 yAbs,
|
|
UInt32 seqNum, KeyModifierMask mask, bool)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send enter to \"%s\", %d,%d %d %04x", getName().c_str(), xAbs, yAbs, seqNum, mask));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCEnter,
|
|
xAbs, yAbs, seqNum, mask);
|
|
}
|
|
|
|
bool
|
|
CClientProxy1_0::leave()
|
|
{
|
|
LOG((CLOG_DEBUG1 "send leave to \"%s\"", getName().c_str()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCLeave);
|
|
|
|
// we can never prevent the user from leaving
|
|
return true;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::setClipboard(ClipboardID id, const CString& data)
|
|
{
|
|
// ignore if this clipboard is already clean
|
|
CLock lock(getMutex());
|
|
if (m_clipboardDirty[id]) {
|
|
// this clipboard is now clean
|
|
m_clipboardDirty[id] = false;
|
|
|
|
LOG((CLOG_DEBUG "send clipboard %d to \"%s\" size=%d", id, getName().c_str(), data.size()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDClipboard, id, 0, &data);
|
|
}
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::grabClipboard(ClipboardID id)
|
|
{
|
|
LOG((CLOG_DEBUG "send grab clipboard %d to \"%s\"", id, getName().c_str()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCClipboard, id, 0);
|
|
|
|
// this clipboard is now dirty
|
|
CLock lock(getMutex());
|
|
m_clipboardDirty[id] = true;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::setClipboardDirty(ClipboardID id, bool dirty)
|
|
{
|
|
CLock lock(getMutex());
|
|
m_clipboardDirty[id] = dirty;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::keyDown(KeyID key, KeyModifierMask mask, KeyButton)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send key down to \"%s\" id=%d, mask=0x%04x", getName().c_str(), key, mask));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDKeyDown1_0, key, mask);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::keyRepeat(KeyID key, KeyModifierMask mask,
|
|
SInt32 count, KeyButton)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send key repeat to \"%s\" id=%d, mask=0x%04x, count=%d", getName().c_str(), key, mask, count));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDKeyRepeat1_0, key, mask, count);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::keyUp(KeyID key, KeyModifierMask mask, KeyButton)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send key up to \"%s\" id=%d, mask=0x%04x", getName().c_str(), key, mask));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDKeyUp1_0, key, mask);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::mouseDown(ButtonID button)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send mouse down to \"%s\" id=%d", getName().c_str(), button));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDMouseDown, button);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::mouseUp(ButtonID button)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send mouse up to \"%s\" id=%d", getName().c_str(), button));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDMouseUp, button);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::mouseMove(SInt32 xAbs, SInt32 yAbs)
|
|
{
|
|
LOG((CLOG_DEBUG2 "send mouse move to \"%s\" %d,%d", getName().c_str(), xAbs, yAbs));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDMouseMove, xAbs, yAbs);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::mouseWheel(SInt32 delta)
|
|
{
|
|
LOG((CLOG_DEBUG2 "send mouse wheel to \"%s\" %+d", getName().c_str(), delta));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDMouseWheel, delta);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::screensaver(bool on)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send screen saver to \"%s\" on=%d", getName().c_str(), on ? 1 : 0));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCScreenSaver, on ? 1 : 0);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::resetOptions()
|
|
{
|
|
LOG((CLOG_DEBUG1 "send reset options to \"%s\"", getName().c_str()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCResetOptions);
|
|
|
|
// reset heart rate and death
|
|
CLock lock(getMutex());
|
|
m_heartRate = kHeartRate;
|
|
m_heartDeath = kHeartRate * kHeartBeatsUntilDeath;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::setOptions(const COptionsList& options)
|
|
{
|
|
LOG((CLOG_DEBUG1 "send set options to \"%s\" size=%d", getName().c_str(), options.size()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgDSetOptions, &options);
|
|
|
|
// check options
|
|
CLock lock(getMutex());
|
|
for (UInt32 i = 0, n = options.size(); i < n; i += 2) {
|
|
if (options[i] == kOptionHeartbeat) {
|
|
m_heartRate = 1.0e-3 * static_cast<double>(options[i + 1]);
|
|
if (m_heartRate <= 0.0) {
|
|
m_heartRate = -1.0;
|
|
}
|
|
m_heartDeath = m_heartRate * kHeartBeatsUntilDeath;
|
|
}
|
|
}
|
|
}
|
|
|
|
SInt32
|
|
CClientProxy1_0::getJumpZoneSize() const
|
|
{
|
|
CLock lock(getMutex());
|
|
return m_info.m_zoneSize;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::getShape(SInt32& x, SInt32& y, SInt32& w, SInt32& h) const
|
|
{
|
|
CLock lock(getMutex());
|
|
x = m_info.m_x;
|
|
y = m_info.m_y;
|
|
w = m_info.m_w;
|
|
h = m_info.m_h;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::getCursorPos(SInt32&, SInt32&) const
|
|
{
|
|
assert(0 && "shouldn't be called");
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::getCursorCenter(SInt32& x, SInt32& y) const
|
|
{
|
|
CLock lock(getMutex());
|
|
x = m_info.m_mx;
|
|
y = m_info.m_my;
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::recvInfo(bool notify)
|
|
{
|
|
{
|
|
CLock lock(getMutex());
|
|
|
|
// parse the message
|
|
SInt16 x, y, w, h, zoneSize, mx, my;
|
|
CProtocolUtil::readf(getInputStream(), kMsgDInfo + 4,
|
|
&x, &y, &w, &h, &zoneSize, &mx, &my);
|
|
LOG((CLOG_DEBUG "received client \"%s\" info shape=%d,%d %dx%d, zone=%d, pos=%d,%d", getName().c_str(), x, y, w, h, zoneSize, mx, my));
|
|
|
|
// validate
|
|
if (w <= 0 || h <= 0 || zoneSize < 0) {
|
|
throw XBadClient();
|
|
}
|
|
if (mx < x || my < y || mx >= x + w || my >= y + h) {
|
|
throw XBadClient();
|
|
}
|
|
|
|
// save
|
|
m_info.m_x = x;
|
|
m_info.m_y = y;
|
|
m_info.m_w = w;
|
|
m_info.m_h = h;
|
|
m_info.m_zoneSize = zoneSize;
|
|
m_info.m_mx = mx;
|
|
m_info.m_my = my;
|
|
}
|
|
|
|
// tell server of change
|
|
if (notify) {
|
|
getServer()->onInfoChanged(getName(), m_info);
|
|
}
|
|
|
|
// acknowledge receipt
|
|
LOG((CLOG_DEBUG1 "send info ack to \"%s\"", getName().c_str()));
|
|
CProtocolUtil::writef(getOutputStream(), kMsgCInfoAck);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::recvClipboard()
|
|
{
|
|
// parse message
|
|
ClipboardID id;
|
|
UInt32 seqNum;
|
|
CString data;
|
|
CProtocolUtil::readf(getInputStream(), kMsgDClipboard + 4, &id, &seqNum, &data);
|
|
LOG((CLOG_DEBUG "received client \"%s\" clipboard %d seqnum=%d, size=%d", getName().c_str(), id, seqNum, data.size()));
|
|
|
|
// validate
|
|
if (id >= kClipboardEnd) {
|
|
throw XBadClient();
|
|
}
|
|
|
|
// send update. this calls us back to reset our clipboard dirty flag
|
|
// so don't hold a lock during the call.
|
|
getServer()->onClipboardChanged(id, seqNum, data);
|
|
}
|
|
|
|
void
|
|
CClientProxy1_0::recvGrabClipboard()
|
|
{
|
|
// parse message
|
|
ClipboardID id;
|
|
UInt32 seqNum;
|
|
CProtocolUtil::readf(getInputStream(), kMsgCClipboard + 4, &id, &seqNum);
|
|
LOG((CLOG_DEBUG "received client \"%s\" grabbed clipboard %d seqnum=%d", getName().c_str(), id, seqNum));
|
|
|
|
// validate
|
|
if (id >= kClipboardEnd) {
|
|
throw XBadClient();
|
|
}
|
|
|
|
// send update. this calls us back to reset our clipboard dirty flag
|
|
// so don't hold a lock during the call.
|
|
getServer()->onGrabClipboard(getName(), id, seqNum);
|
|
}
|