moving 1.4 to trunk

src/lib/server/CBaseClientProxy.cpp

@@ -0,0 +1,55 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2006 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CBaseClientProxy.h"
+
+//
+// CBaseClientProxy
+//
+
+CBaseClientProxy::CBaseClientProxy(const CString& name) :
+	m_name(name),
+	m_x(0),
+	m_y(0)
+{
+	// do nothing
+}
+
+CBaseClientProxy::~CBaseClientProxy()
+{
+	// do nothing
+}
+
+void
+CBaseClientProxy::setJumpCursorPos(SInt32 x, SInt32 y)
+{
+	m_x = x;
+	m_y = y;
+}
+
+void
+CBaseClientProxy::getJumpCursorPos(SInt32& x, SInt32& y) const
+{
+	x = m_x;
+	y = m_y;
+}
+
+CString
+CBaseClientProxy::getName() const
+{
+	return m_name;
+}

src/lib/server/CBaseClientProxy.h

@@ -0,0 +1,92 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CBASECLIENTPROXY_H
+#define CBASECLIENTPROXY_H
+
+#include "IClient.h"
+#include "CString.h"
+
+//! Generic proxy for client or primary
+class CBaseClientProxy : public IClient {
+public:
+	/*!
+	\c name is the name of the client.
+	*/
+	CBaseClientProxy(const CString& name);
+	~CBaseClientProxy();
+
+	//! @name manipulators
+	//@{
+
+	//! Save cursor position
+	/*!
+	Save the position of the cursor when jumping from client.
+	*/
+	void				setJumpCursorPos(SInt32 x, SInt32 y);
+
+	//@}
+	//! @name accessors
+	//@{
+
+	//! Get cursor position
+	/*!
+	Get the position of the cursor when last jumping from client.
+	*/
+	void				getJumpCursorPos(SInt32& x, SInt32& y) const;
+
+	//@}
+
+	// IScreen
+	virtual void*		getEventTarget() const = 0;
+	virtual bool		getClipboard(ClipboardID id, IClipboard*) const = 0;
+	virtual void		getShape(SInt32& x, SInt32& y,
+							SInt32& width, SInt32& height) const = 0;
+	virtual void		getCursorPos(SInt32& x, SInt32& y) const = 0;
+
+	// IClient overrides
+	virtual void		enter(SInt32 xAbs, SInt32 yAbs,
+							UInt32 seqNum, KeyModifierMask mask,
+							bool forScreensaver) = 0;
+	virtual bool		leave() = 0;
+	virtual void		setClipboard(ClipboardID, const IClipboard*) = 0;
+	virtual void		grabClipboard(ClipboardID) = 0;
+	virtual void		setClipboardDirty(ClipboardID, bool) = 0;
+	virtual void		keyDown(KeyID, KeyModifierMask, KeyButton) = 0;
+	virtual void		keyRepeat(KeyID, KeyModifierMask,
+							SInt32 count, KeyButton) = 0;
+	virtual void		keyUp(KeyID, KeyModifierMask, KeyButton) = 0;
+	virtual void		mouseDown(ButtonID) = 0;
+	virtual void		mouseUp(ButtonID) = 0;
+	virtual void		mouseMove(SInt32 xAbs, SInt32 yAbs) = 0;
+	virtual void		mouseRelativeMove(SInt32 xRel, SInt32 yRel) = 0;
+	virtual void		mouseWheel(SInt32 xDelta, SInt32 yDelta) = 0;
+	virtual void		gameDeviceButtons(GameDeviceID id, GameDeviceButton buttons) = 0;
+	virtual void		gameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2) = 0;
+	virtual void		gameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2) = 0;
+	virtual void		gameDeviceTimingReq() = 0;
+	virtual void		screensaver(bool activate) = 0;
+	virtual void		resetOptions() = 0;
+	virtual void		setOptions(const COptionsList& options) = 0;
+	virtual CString		getName() const;
+
+private:
+	CString				m_name;
+	SInt32				m_x, m_y;
+};
+
+#endif

src/lib/server/CClientListener.cpp

@@ -0,0 +1,207 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientListener.h"
+#include "CClientProxy.h"
+#include "CClientProxyUnknown.h"
+#include "CPacketStreamFilter.h"
+#include "IStreamFilterFactory.h"
+#include "IDataSocket.h"
+#include "IListenSocket.h"
+#include "ISocketFactory.h"
+#include "XSocket.h"
+#include "CLog.h"
+#include "IEventQueue.h"
+#include "TMethodEventJob.h"
+
+//
+// CClientListener
+//
+
+CEvent::Type			CClientListener::s_connectedEvent = CEvent::kUnknown;
+
+CClientListener::CClientListener(const CNetworkAddress& address,
+				ISocketFactory* socketFactory,
+				IStreamFilterFactory* streamFilterFactory) :
+	m_socketFactory(socketFactory),
+	m_streamFilterFactory(streamFilterFactory),
+	m_server(NULL)
+{
+	assert(m_socketFactory != NULL);
+
+	try {
+		// create listen socket
+		m_listen = m_socketFactory->createListen();
+
+		// bind listen address
+		LOG((CLOG_DEBUG1 "binding listen socket"));
+		m_listen->bind(address);
+	}
+	catch (XSocketAddressInUse&) {
+		delete m_listen;
+		delete m_socketFactory;
+		delete m_streamFilterFactory;
+		throw;
+	}
+	catch (XBase&) {
+		delete m_listen;
+		delete m_socketFactory;
+		delete m_streamFilterFactory;
+		throw;
+	}
+	LOG((CLOG_DEBUG1 "listening for clients"));
+
+	// setup event handler
+	EVENTQUEUE->adoptHandler(IListenSocket::getConnectingEvent(), m_listen,
+							new TMethodEventJob<CClientListener>(this,
+								&CClientListener::handleClientConnecting));
+}
+
+CClientListener::~CClientListener()
+{
+	LOG((CLOG_DEBUG1 "stop listening for clients"));
+
+	// discard already connected clients
+	for (CNewClients::iterator index = m_newClients.begin();
+								index != m_newClients.end(); ++index) {
+		CClientProxyUnknown* client = *index;
+		EVENTQUEUE->removeHandler(
+							CClientProxyUnknown::getSuccessEvent(), client);
+		EVENTQUEUE->removeHandler(
+							CClientProxyUnknown::getFailureEvent(), client);
+		EVENTQUEUE->removeHandler(
+							CClientProxy::getDisconnectedEvent(), client);
+		delete client;
+	}
+
+	// discard waiting clients
+	CClientProxy* client = getNextClient();
+	while (client != NULL) {
+		delete client;
+		client = getNextClient();
+	}
+
+	EVENTQUEUE->removeHandler(IListenSocket::getConnectingEvent(), m_listen);
+	delete m_listen;
+	delete m_socketFactory;
+	delete m_streamFilterFactory;
+}
+
+void
+CClientListener::setServer(CServer* server)
+{
+	assert(server != NULL);
+	m_server = server;
+}
+
+CClientProxy*
+CClientListener::getNextClient()
+{
+	CClientProxy* client = NULL;
+	if (!m_waitingClients.empty()) {
+		client = m_waitingClients.front();
+		m_waitingClients.pop_front();
+		EVENTQUEUE->removeHandler(CClientProxy::getDisconnectedEvent(), client);
+	}
+	return client;
+}
+
+CEvent::Type
+CClientListener::getConnectedEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_connectedEvent,
+							"CClientListener::connected");
+}
+
+void
+CClientListener::handleClientConnecting(const CEvent&, void*)
+{
+	// accept client connection
+	IStream* stream = m_listen->accept();
+	if (stream == NULL) {
+		return;
+	}
+	LOG((CLOG_NOTE "accepted client connection"));
+
+	// filter socket messages, including a packetizing filter
+	if (m_streamFilterFactory != NULL) {
+		stream = m_streamFilterFactory->create(stream, true);
+	}
+	stream = new CPacketStreamFilter(stream, true);
+
+	assert(m_server != NULL);
+
+	// create proxy for unknown client
+	CClientProxyUnknown* client = new CClientProxyUnknown(stream, 30.0, m_server);
+	m_newClients.insert(client);
+
+	// watch for events from unknown client
+	EVENTQUEUE->adoptHandler(CClientProxyUnknown::getSuccessEvent(), client,
+							new TMethodEventJob<CClientListener>(this,
+								&CClientListener::handleUnknownClient, client));
+	EVENTQUEUE->adoptHandler(CClientProxyUnknown::getFailureEvent(), client,
+							new TMethodEventJob<CClientListener>(this,
+								&CClientListener::handleUnknownClient, client));
+}
+
+void
+CClientListener::handleUnknownClient(const CEvent&, void* vclient)
+{
+	CClientProxyUnknown* unknownClient =
+		reinterpret_cast<CClientProxyUnknown*>(vclient);
+
+	// we should have the client in our new client list
+	assert(m_newClients.count(unknownClient) == 1);
+
+	// get the real client proxy and install it
+	CClientProxy* client = unknownClient->orphanClientProxy();
+	if (client != NULL) {
+		// handshake was successful
+		m_waitingClients.push_back(client);
+		EVENTQUEUE->addEvent(CEvent(getConnectedEvent(), this));
+
+		// watch for client to disconnect while it's in our queue
+		EVENTQUEUE->adoptHandler(CClientProxy::getDisconnectedEvent(), client,
+							new TMethodEventJob<CClientListener>(this,
+								&CClientListener::handleClientDisconnected,
+								client));
+	}
+
+	// now finished with unknown client
+	EVENTQUEUE->removeHandler(CClientProxyUnknown::getSuccessEvent(), client);
+	EVENTQUEUE->removeHandler(CClientProxyUnknown::getFailureEvent(), client);
+	m_newClients.erase(unknownClient);
+	delete unknownClient;
+}
+
+void
+CClientListener::handleClientDisconnected(const CEvent&, void* vclient)
+{
+	CClientProxy* client = reinterpret_cast<CClientProxy*>(vclient);
+
+	// find client in waiting clients queue
+	for (CWaitingClients::iterator i = m_waitingClients.begin(),
+							n = m_waitingClients.end(); i != n; ++i) {
+		if (*i == client) {
+			m_waitingClients.erase(i);
+			EVENTQUEUE->removeHandler(CClientProxy::getDisconnectedEvent(),
+							client);
+			delete client;
+			break;
+		}
+	}
+}

src/lib/server/CClientListener.h

@@ -0,0 +1,88 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTLISTENER_H
+#define CCLIENTLISTENER_H
+
+#include "CConfig.h"
+#include "CEvent.h"
+#include "stddeque.h"
+#include "stdset.h"
+
+class CClientProxy;
+class CClientProxyUnknown;
+class CNetworkAddress;
+class IListenSocket;
+class ISocketFactory;
+class IStreamFilterFactory;
+class CServer;
+
+class CClientListener {
+public:
+	// The factories are adopted.
+	CClientListener(const CNetworkAddress&,
+							ISocketFactory*, IStreamFilterFactory*);
+	~CClientListener();
+
+	//! @name manipulators
+	//@{
+
+	void setServer(CServer* server);
+
+	//@}
+
+	//! @name accessors
+	//@{
+
+	//! Get next connected client
+	/*!
+	Returns the next connected client and removes it from the internal
+	list.  The client is responsible for deleting the returned client.
+	Returns NULL if no clients are available.
+	*/
+	CClientProxy*		getNextClient();
+
+	//! Get connected event type
+	/*!
+	Returns the connected event type.  This is sent whenever a
+	a client connects.
+	*/
+	static CEvent::Type	getConnectedEvent();
+
+	//@}
+
+private:
+	// client connection event handlers
+	void				handleClientConnecting(const CEvent&, void*);
+	void				handleUnknownClient(const CEvent&, void*);
+	void				handleClientDisconnected(const CEvent&, void*);
+
+private:
+	typedef std::set<CClientProxyUnknown*> CNewClients;
+	typedef std::deque<CClientProxy*> CWaitingClients;
+
+	IListenSocket*			m_listen;
+	ISocketFactory*			m_socketFactory;
+	IStreamFilterFactory*	m_streamFilterFactory;
+	CNewClients				m_newClients;
+	CWaitingClients			m_waitingClients;
+
+	static CEvent::Type		s_connectedEvent;
+	CServer*				m_server;
+};
+
+#endif

src/lib/server/CClientProxy.cpp

@@ -0,0 +1,93 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxy.h"
+#include "CProtocolUtil.h"
+#include "IStream.h"
+#include "CLog.h"
+#include "CEventQueue.h"
+
+//
+// CClientProxy
+//
+
+CEvent::Type			CClientProxy::s_readyEvent           = CEvent::kUnknown;
+CEvent::Type			CClientProxy::s_disconnectedEvent    = CEvent::kUnknown;
+CEvent::Type			CClientProxy::s_clipboardChangedEvent= CEvent::kUnknown;
+CEvent::Type			CClientProxy::s_gameDeviceTimingRecvEvent= CEvent::kUnknown;
+
+CClientProxy::CClientProxy(const CString& name, IStream* stream) :
+	CBaseClientProxy(name),
+	m_stream(stream)
+{
+	// do nothing
+}
+
+CClientProxy::~CClientProxy()
+{
+	delete m_stream;
+}
+
+void
+CClientProxy::close(const char* msg)
+{
+	LOG((CLOG_DEBUG1 "send close \"%s\" to \"%s\"", msg, getName().c_str()));
+	CProtocolUtil::writef(getStream(), msg);
+
+	// force the close to be sent before we return
+	getStream()->flush();
+}
+
+IStream*
+CClientProxy::getStream() const
+{
+	return m_stream;
+}
+
+CEvent::Type
+CClientProxy::getReadyEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_readyEvent,
+							"CClientProxy::ready");
+}
+
+CEvent::Type
+CClientProxy::getDisconnectedEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_disconnectedEvent,
+							"CClientProxy::disconnected");
+}
+
+CEvent::Type
+CClientProxy::getClipboardChangedEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_clipboardChangedEvent,
+							"CClientProxy::clipboardChanged");
+}
+
+CEvent::Type
+CClientProxy::getGameDeviceTimingRespEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_gameDeviceTimingRecvEvent,
+							"CClientProxy::gameDeviceTimingRecv");
+}
+
+void*
+CClientProxy::getEventTarget() const
+{
+	return static_cast<IScreen*>(const_cast<CClientProxy*>(this));
+}

src/lib/server/CClientProxy.h

@@ -0,0 +1,128 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTPROXY_H
+#define CCLIENTPROXY_H
+
+#include "CBaseClientProxy.h"
+#include "CEvent.h"
+#include "CString.h"
+
+class IStream;
+
+//! Generic proxy for client
+class CClientProxy : public CBaseClientProxy {
+public:
+	/*!
+	\c name is the name of the client.
+	*/
+	CClientProxy(const CString& name, IStream* adoptedStream);
+	~CClientProxy();
+
+	//! @name manipulators
+	//@{
+
+	//! Disconnect
+	/*!
+	Ask the client to disconnect, using \p msg as the reason.
+	*/
+	void				close(const char* msg);
+
+	//@}
+	//! @name accessors
+	//@{
+
+	//! Get stream
+	/*!
+	Returns the stream passed to the c'tor.
+	*/
+	IStream*			getStream() const;
+
+	//! Get ready event type
+	/*!
+	Returns the ready event type.  This is sent when the client has
+	completed the initial handshake.  Until it is sent, the client is
+	not fully connected.
+	*/
+	static CEvent::Type	getReadyEvent();
+
+	//! Get disconnect event type
+	/*!
+	Returns the disconnect event type.  This is sent when the client
+	disconnects or is disconnected.  The target is getEventTarget().
+	*/
+	static CEvent::Type	getDisconnectedEvent();
+
+	//! Get clipboard changed event type
+	/*!
+	Returns the clipboard changed event type.  This is sent whenever the
+	contents of the clipboard has changed.  The data is a pointer to a
+	IScreen::CClipboardInfo.
+	*/
+	static CEvent::Type	getClipboardChangedEvent();
+
+	//! Get game device timing receive event type
+	/*!
+	Returns the game device timing receive event type.  This is set 
+	whenever the server receives to a timing event response from a client.
+	*/
+	static CEvent::Type	getGameDeviceTimingRespEvent();
+
+	//@}
+
+	// IScreen
+	virtual void*		getEventTarget() const;
+	virtual bool		getClipboard(ClipboardID id, IClipboard*) const = 0;
+	virtual void		getShape(SInt32& x, SInt32& y,
+							SInt32& width, SInt32& height) const = 0;
+	virtual void		getCursorPos(SInt32& x, SInt32& y) const = 0;
+
+	// IClient overrides
+	virtual void		enter(SInt32 xAbs, SInt32 yAbs,
+							UInt32 seqNum, KeyModifierMask mask,
+							bool forScreensaver) = 0;
+	virtual bool		leave() = 0;
+	virtual void		setClipboard(ClipboardID, const IClipboard*) = 0;
+	virtual void		grabClipboard(ClipboardID) = 0;
+	virtual void		setClipboardDirty(ClipboardID, bool) = 0;
+	virtual void		keyDown(KeyID, KeyModifierMask, KeyButton) = 0;
+	virtual void		keyRepeat(KeyID, KeyModifierMask,
+							SInt32 count, KeyButton) = 0;
+	virtual void		keyUp(KeyID, KeyModifierMask, KeyButton) = 0;
+	virtual void		mouseDown(ButtonID) = 0;
+	virtual void		mouseUp(ButtonID) = 0;
+	virtual void		mouseMove(SInt32 xAbs, SInt32 yAbs) = 0;
+	virtual void		mouseRelativeMove(SInt32 xRel, SInt32 yRel) = 0;
+	virtual void		mouseWheel(SInt32 xDelta, SInt32 yDelta) = 0;
+	virtual void		screensaver(bool activate) = 0;
+	virtual void		resetOptions() = 0;
+	virtual void		setOptions(const COptionsList& options) = 0;
+	virtual void		gameDeviceButtons(GameDeviceID id, GameDeviceButton buttons) = 0;
+	virtual void		gameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2) = 0;
+	virtual void		gameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2) = 0;
+	virtual void		gameDeviceTimingReq() = 0;
+
+private:
+	IStream*			m_stream;
+
+	static CEvent::Type	s_readyEvent;
+	static CEvent::Type	s_disconnectedEvent;
+	static CEvent::Type	s_clipboardChangedEvent;
+	static CEvent::Type	s_gameDeviceTimingRecvEvent;
+};
+
+#endif

src/lib/server/CClientProxy1_0.cpp

@@ -0,0 +1,529 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxy1_0.h"
+#include "CProtocolUtil.h"
+#include "XSynergy.h"
+#include "IStream.h"
+#include "CLog.h"
+#include "IEventQueue.h"
+#include "TMethodEventJob.h"
+#include <cstring>
+
+//
+// CClientProxy1_0
+//
+
+CClientProxy1_0::CClientProxy1_0(const CString& name, IStream* stream) :
+	CClientProxy(name, stream),
+	m_heartbeatTimer(NULL),
+	m_parser(&CClientProxy1_0::parseHandshakeMessage)
+{
+	// install event handlers
+	EVENTQUEUE->adoptHandler(stream->getInputReadyEvent(),
+							stream->getEventTarget(),
+							new TMethodEventJob<CClientProxy1_0>(this,
+								&CClientProxy1_0::handleData, NULL));
+	EVENTQUEUE->adoptHandler(stream->getOutputErrorEvent(),
+							stream->getEventTarget(),
+							new TMethodEventJob<CClientProxy1_0>(this,
+								&CClientProxy1_0::handleWriteError, NULL));
+	EVENTQUEUE->adoptHandler(stream->getInputShutdownEvent(),
+							stream->getEventTarget(),
+							new TMethodEventJob<CClientProxy1_0>(this,
+								&CClientProxy1_0::handleDisconnect, NULL));
+	EVENTQUEUE->adoptHandler(stream->getOutputShutdownEvent(),
+							stream->getEventTarget(),
+							new TMethodEventJob<CClientProxy1_0>(this,
+								&CClientProxy1_0::handleWriteError, NULL));
+	EVENTQUEUE->adoptHandler(CEvent::kTimer, this,
+							new TMethodEventJob<CClientProxy1_0>(this,
+								&CClientProxy1_0::handleFlatline, NULL));
+
+	setHeartbeatRate(kHeartRate, kHeartRate * kHeartBeatsUntilDeath);
+
+	LOG((CLOG_DEBUG1 "querying client \"%s\" info", getName().c_str()));
+	CProtocolUtil::writef(getStream(), kMsgQInfo);
+}
+
+CClientProxy1_0::~CClientProxy1_0()
+{
+	removeHandlers();
+}
+
+void
+CClientProxy1_0::disconnect()
+{
+	removeHandlers();
+	getStream()->close();
+	EVENTQUEUE->addEvent(CEvent(getDisconnectedEvent(), getEventTarget()));
+}
+
+void
+CClientProxy1_0::removeHandlers()
+{
+	// uninstall event handlers
+	EVENTQUEUE->removeHandler(getStream()->getInputReadyEvent(),
+							getStream()->getEventTarget());
+	EVENTQUEUE->removeHandler(getStream()->getOutputErrorEvent(),
+							getStream()->getEventTarget());
+	EVENTQUEUE->removeHandler(getStream()->getInputShutdownEvent(),
+							getStream()->getEventTarget());
+	EVENTQUEUE->removeHandler(getStream()->getOutputShutdownEvent(),
+							getStream()->getEventTarget());
+	EVENTQUEUE->removeHandler(CEvent::kTimer, this);
+
+	// remove timer
+	removeHeartbeatTimer();
+}
+
+void
+CClientProxy1_0::addHeartbeatTimer()
+{
+	if (m_heartbeatAlarm > 0.0) {
+		m_heartbeatTimer = EVENTQUEUE->newOneShotTimer(m_heartbeatAlarm, this);
+	}
+}
+
+void
+CClientProxy1_0::removeHeartbeatTimer()
+{
+	if (m_heartbeatTimer != NULL) {
+		EVENTQUEUE->deleteTimer(m_heartbeatTimer);
+		m_heartbeatTimer = NULL;
+	}
+}
+
+void
+CClientProxy1_0::resetHeartbeatTimer()
+{
+	// reset the alarm
+	removeHeartbeatTimer();
+	addHeartbeatTimer();
+}
+
+void
+CClientProxy1_0::resetHeartbeatRate()
+{
+	setHeartbeatRate(kHeartRate, kHeartRate * kHeartBeatsUntilDeath);
+}
+
+void
+CClientProxy1_0::setHeartbeatRate(double, double alarm)
+{
+	m_heartbeatAlarm = alarm;
+}
+
+void
+CClientProxy1_0::handleData(const CEvent&, void*)
+{
+	// handle messages until there are no more.  first read message code.
+	UInt8 code[4];
+	UInt32 n = getStream()->read(code, 4);
+	while (n != 0) {
+		// verify we got an entire code
+		if (n != 4) {
+			LOG((CLOG_ERR "incomplete message from \"%s\": %d bytes", getName().c_str(), n));
+			disconnect();
+			return;
+		}
+
+		// parse message
+		LOG((CLOG_DEBUG2 "msg from \"%s\": %c%c%c%c", getName().c_str(), code[0], code[1], code[2], code[3]));
+		if (!(this->*m_parser)(code)) {
+			LOG((CLOG_ERR "invalid message from client \"%s\": %c%c%c%c", getName().c_str(), code[0], code[1], code[2], code[3]));
+			disconnect();
+			return;
+		}
+
+		// next message
+		n = getStream()->read(code, 4);
+	}
+
+	// restart heartbeat timer
+	resetHeartbeatTimer();
+}
+
+bool
+CClientProxy1_0::parseHandshakeMessage(const UInt8* code)
+{
+	if (memcmp(code, kMsgCNoop, 4) == 0) {
+		// discard no-ops
+		LOG((CLOG_DEBUG2 "no-op from", getName().c_str()));
+		return true;
+	}
+	else if (memcmp(code, kMsgDInfo, 4) == 0) {
+		// future messages get parsed by parseMessage
+		m_parser = &CClientProxy1_0::parseMessage;
+		if (recvInfo()) {
+			EVENTQUEUE->addEvent(CEvent(getReadyEvent(), getEventTarget()));
+			addHeartbeatTimer();
+			return true;
+		}
+	}
+	return false;
+}
+
+bool
+CClientProxy1_0::parseMessage(const UInt8* code)
+{
+	if (memcmp(code, kMsgDInfo, 4) == 0) {
+		if (recvInfo()) {
+			EVENTQUEUE->addEvent(
+							CEvent(getShapeChangedEvent(), getEventTarget()));
+			return true;
+		}
+		return false;
+	}
+	else if (memcmp(code, kMsgCNoop, 4) == 0) {
+		// discard no-ops
+		LOG((CLOG_DEBUG2 "no-op from", getName().c_str()));
+		return true;
+	}
+	else if (memcmp(code, kMsgCClipboard, 4) == 0) {
+		return recvGrabClipboard();
+	}
+	else if (memcmp(code, kMsgDClipboard, 4) == 0) {
+		return recvClipboard();
+	}
+	return false;
+}
+
+void
+CClientProxy1_0::handleDisconnect(const CEvent&, void*)
+{
+	LOG((CLOG_NOTE "client \"%s\" has disconnected", getName().c_str()));
+	disconnect();
+}
+
+void
+CClientProxy1_0::handleWriteError(const CEvent&, void*)
+{
+	LOG((CLOG_WARN "error writing to client \"%s\"", getName().c_str()));
+	disconnect();
+}
+
+void
+CClientProxy1_0::handleFlatline(const CEvent&, void*)
+{
+	// didn't get a heartbeat fast enough.  assume client is dead.
+	LOG((CLOG_NOTE "client \"%s\" is dead", getName().c_str()));
+	disconnect();
+}
+
+bool
+CClientProxy1_0::getClipboard(ClipboardID id, IClipboard* clipboard) const
+{
+	CClipboard::copy(clipboard, &m_clipboard[id].m_clipboard);
+	return true;
+}
+
+void
+CClientProxy1_0::getShape(SInt32& x, SInt32& y, SInt32& w, SInt32& h) const
+{
+	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& x, SInt32& y) const
+{
+	// note -- this returns the cursor pos from when we last got client info
+	x = m_info.m_mx;
+	y = m_info.m_my;
+}
+
+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(getStream(), kMsgCEnter,
+								xAbs, yAbs, seqNum, mask);
+}
+
+bool
+CClientProxy1_0::leave()
+{
+	LOG((CLOG_DEBUG1 "send leave to \"%s\"", getName().c_str()));
+	CProtocolUtil::writef(getStream(), kMsgCLeave);
+
+	// we can never prevent the user from leaving
+	return true;
+}
+
+void
+CClientProxy1_0::setClipboard(ClipboardID id, const IClipboard* clipboard)
+{
+	// ignore if this clipboard is already clean
+	if (m_clipboard[id].m_dirty) {
+		// this clipboard is now clean
+		m_clipboard[id].m_dirty = false;
+		CClipboard::copy(&m_clipboard[id].m_clipboard, clipboard);
+
+		CString data = m_clipboard[id].m_clipboard.marshall();
+		LOG((CLOG_DEBUG "send clipboard %d to \"%s\" size=%d", id, getName().c_str(), data.size()));
+		CProtocolUtil::writef(getStream(), 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(getStream(), kMsgCClipboard, id, 0);
+
+	// this clipboard is now dirty
+	m_clipboard[id].m_dirty = true;
+}
+
+void
+CClientProxy1_0::setClipboardDirty(ClipboardID id, bool dirty)
+{
+	m_clipboard[id].m_dirty = 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(getStream(), 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(getStream(), 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(getStream(), 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(getStream(), kMsgDMouseDown, button);
+}
+
+void
+CClientProxy1_0::mouseUp(ButtonID button)
+{
+	LOG((CLOG_DEBUG1 "send mouse up to \"%s\" id=%d", getName().c_str(), button));
+	CProtocolUtil::writef(getStream(), 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(getStream(), kMsgDMouseMove, xAbs, yAbs);
+}
+
+void
+CClientProxy1_0::mouseRelativeMove(SInt32, SInt32)
+{
+	// ignore -- not supported in protocol 1.0
+}
+
+void
+CClientProxy1_0::mouseWheel(SInt32, SInt32 yDelta)
+{
+	// clients prior to 1.3 only support the y axis
+	LOG((CLOG_DEBUG2 "send mouse wheel to \"%s\" %+d", getName().c_str(), yDelta));
+	CProtocolUtil::writef(getStream(), kMsgDMouseWheel1_0, yDelta);
+}
+
+void
+CClientProxy1_0::gameDeviceButtons(GameDeviceID, GameDeviceButton)
+{
+	// ignore -- not supported in protocol 1.0
+	LOG((CLOG_DEBUG "gameDeviceButtons not supported"));
+}
+
+void
+CClientProxy1_0::gameDeviceSticks(GameDeviceID, SInt16, SInt16, SInt16, SInt16)
+{
+	// ignore -- not supported in protocol 1.0
+	LOG((CLOG_DEBUG "gameDeviceSticks not supported"));
+}
+
+void
+CClientProxy1_0::gameDeviceTriggers(GameDeviceID, UInt8, UInt8)
+{
+	// ignore -- not supported in protocol 1.0
+	LOG((CLOG_DEBUG "gameDeviceTriggers not supported"));
+}
+
+void
+CClientProxy1_0::gameDeviceTimingReq()
+{
+	// ignore -- not supported in protocol 1.0
+	LOG((CLOG_DEBUG "gameDeviceTimingReq not supported"));
+}
+
+void
+CClientProxy1_0::screensaver(bool on)
+{
+	LOG((CLOG_DEBUG1 "send screen saver to \"%s\" on=%d", getName().c_str(), on ? 1 : 0));
+	CProtocolUtil::writef(getStream(), kMsgCScreenSaver, on ? 1 : 0);
+}
+
+void
+CClientProxy1_0::resetOptions()
+{
+	LOG((CLOG_DEBUG1 "send reset options to \"%s\"", getName().c_str()));
+	CProtocolUtil::writef(getStream(), kMsgCResetOptions);
+
+	// reset heart rate and death
+	resetHeartbeatRate();
+	removeHeartbeatTimer();
+	addHeartbeatTimer();
+}
+
+void
+CClientProxy1_0::setOptions(const COptionsList& options)
+{
+	LOG((CLOG_DEBUG1 "send set options to \"%s\" size=%d", getName().c_str(), options.size()));
+	CProtocolUtil::writef(getStream(), kMsgDSetOptions, &options);
+
+	// check options
+	for (UInt32 i = 0, n = (UInt32)options.size(); i < n; i += 2) {
+		if (options[i] == kOptionHeartbeat) {
+			double rate = 1.0e-3 * static_cast<double>(options[i + 1]);
+			if (rate <= 0.0) {
+				rate = -1.0;
+			}
+			setHeartbeatRate(rate, rate * kHeartBeatsUntilDeath);
+			removeHeartbeatTimer();
+			addHeartbeatTimer();
+		}
+	}
+}
+
+bool
+CClientProxy1_0::recvInfo()
+{
+	// parse the message
+	SInt16 x, y, w, h, dummy1, mx, my;
+	if (!CProtocolUtil::readf(getStream(), kMsgDInfo + 4,
+							&x, &y, &w, &h, &dummy1, &mx, &my)) {
+		return false;
+	}
+	LOG((CLOG_DEBUG "received client \"%s\" info shape=%d,%d %dx%d at %d,%d", getName().c_str(), x, y, w, h, mx, my));
+
+	// validate
+	if (w <= 0 || h <= 0) {
+		return false;
+	}
+	if (mx < x || mx >= x + w || my < y || my >= y + h) {
+		mx = x + w / 2;
+		my = y + h / 2;
+	}
+
+	// save
+	m_info.m_x  = x;
+	m_info.m_y  = y;
+	m_info.m_w  = w;
+	m_info.m_h  = h;
+	m_info.m_mx = mx;
+	m_info.m_my = my;
+
+	// acknowledge receipt
+	LOG((CLOG_DEBUG1 "send info ack to \"%s\"", getName().c_str()));
+	CProtocolUtil::writef(getStream(), kMsgCInfoAck);
+	return true;
+}
+
+bool
+CClientProxy1_0::recvClipboard()
+{
+	// parse message
+	ClipboardID id;
+	UInt32 seqNum;
+	CString data;
+	if (!CProtocolUtil::readf(getStream(),
+							kMsgDClipboard + 4, &id, &seqNum, &data)) {
+		return false;
+	}
+	LOG((CLOG_DEBUG "received client \"%s\" clipboard %d seqnum=%d, size=%d", getName().c_str(), id, seqNum, data.size()));
+
+	// validate
+	if (id >= kClipboardEnd) {
+		return false;
+	}
+
+	// save clipboard
+	m_clipboard[id].m_clipboard.unmarshall(data, 0);
+	m_clipboard[id].m_sequenceNumber = seqNum;
+
+	// notify
+	CClipboardInfo* info   = new CClipboardInfo;
+	info->m_id             = id;
+	info->m_sequenceNumber = seqNum;
+	EVENTQUEUE->addEvent(CEvent(getClipboardChangedEvent(),
+							getEventTarget(), info));
+
+	return true;
+}
+
+bool
+CClientProxy1_0::recvGrabClipboard()
+{
+	// parse message
+	ClipboardID id;
+	UInt32 seqNum;
+	if (!CProtocolUtil::readf(getStream(), kMsgCClipboard + 4, &id, &seqNum)) {
+		return false;
+	}
+	LOG((CLOG_DEBUG "received client \"%s\" grabbed clipboard %d seqnum=%d", getName().c_str(), id, seqNum));
+
+	// validate
+	if (id >= kClipboardEnd) {
+		return false;
+	}
+
+	// notify
+	CClipboardInfo* info   = new CClipboardInfo;
+	info->m_id             = id;
+	info->m_sequenceNumber = seqNum;
+	EVENTQUEUE->addEvent(CEvent(getClipboardGrabbedEvent(),
+							getEventTarget(), info));
+
+	return true;
+}
+
+
+//
+// CClientProxy1_0::CClientClipboard
+//
+
+CClientProxy1_0::CClientClipboard::CClientClipboard() :
+	m_clipboard(),
+	m_sequenceNumber(0),
+	m_dirty(true)
+{
+	// do nothing
+}

src/lib/server/CClientProxy1_0.h

@@ -0,0 +1,107 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTPROXY1_0_H
+#define CCLIENTPROXY1_0_H
+
+#include "CClientProxy.h"
+#include "CClipboard.h"
+#include "ProtocolTypes.h"
+
+class CEvent;
+class CEventQueueTimer;
+
+//! Proxy for client implementing protocol version 1.0
+class CClientProxy1_0 : public CClientProxy {
+public:
+	CClientProxy1_0(const CString& name, IStream* adoptedStream);
+	~CClientProxy1_0();
+
+	// IScreen
+	virtual bool		getClipboard(ClipboardID id, IClipboard*) const;
+	virtual void		getShape(SInt32& x, SInt32& y,
+							SInt32& width, SInt32& height) const;
+	virtual void		getCursorPos(SInt32& x, SInt32& y) const;
+
+	// IClient overrides
+	virtual void		enter(SInt32 xAbs, SInt32 yAbs,
+							UInt32 seqNum, KeyModifierMask mask,
+							bool forScreensaver);
+	virtual bool		leave();
+	virtual void		setClipboard(ClipboardID, const IClipboard*);
+	virtual void		grabClipboard(ClipboardID);
+	virtual void		setClipboardDirty(ClipboardID, bool);
+	virtual void		keyDown(KeyID, KeyModifierMask, KeyButton);
+	virtual void		keyRepeat(KeyID, KeyModifierMask,
+							SInt32 count, KeyButton);
+	virtual void		keyUp(KeyID, KeyModifierMask, KeyButton);
+	virtual void		mouseDown(ButtonID);
+	virtual void		mouseUp(ButtonID);
+	virtual void		mouseMove(SInt32 xAbs, SInt32 yAbs);
+	virtual void		mouseRelativeMove(SInt32 xRel, SInt32 yRel);
+	virtual void		mouseWheel(SInt32 xDelta, SInt32 yDelta);
+	virtual void		screensaver(bool activate);
+	virtual void		resetOptions();
+	virtual void		setOptions(const COptionsList& options);
+	virtual void		gameDeviceButtons(GameDeviceID id, GameDeviceButton buttons);
+	virtual void		gameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2);
+	virtual void		gameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2);
+	virtual void		gameDeviceTimingReq();
+
+protected:
+	virtual bool		parseHandshakeMessage(const UInt8* code);
+	virtual bool		parseMessage(const UInt8* code);
+
+	virtual void		resetHeartbeatRate();
+	virtual void		setHeartbeatRate(double rate, double alarm);
+	virtual void		resetHeartbeatTimer();
+	virtual void		addHeartbeatTimer();
+	virtual void		removeHeartbeatTimer();
+
+private:
+	void				disconnect();
+	void				removeHandlers();
+
+	void				handleData(const CEvent&, void*);
+	void				handleDisconnect(const CEvent&, void*);
+	void				handleWriteError(const CEvent&, void*);
+	void				handleFlatline(const CEvent&, void*);
+
+	bool				recvInfo();
+	bool				recvClipboard();
+	bool				recvGrabClipboard();
+
+private:
+	typedef bool (CClientProxy1_0::*MessageParser)(const UInt8*);
+	struct CClientClipboard {
+	public:
+		CClientClipboard();
+
+	public:
+		CClipboard		m_clipboard;
+		UInt32			m_sequenceNumber;
+		bool			m_dirty;
+	};
+
+	CClientInfo			m_info;
+	CClientClipboard	m_clipboard[kClipboardEnd];
+	double				m_heartbeatAlarm;
+	CEventQueueTimer*	m_heartbeatTimer;
+	MessageParser		m_parser;
+};
+
+#endif

src/lib/server/CClientProxy1_1.cpp

@@ -0,0 +1,58 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxy1_1.h"
+#include "CProtocolUtil.h"
+#include "CLog.h"
+#include <cstring>
+
+//
+// CClientProxy1_1
+//
+
+CClientProxy1_1::CClientProxy1_1(const CString& name, IStream* stream) :
+	CClientProxy1_0(name, stream)
+{
+	// do nothing
+}
+
+CClientProxy1_1::~CClientProxy1_1()
+{
+	// do nothing
+}
+
+void
+CClientProxy1_1::keyDown(KeyID key, KeyModifierMask mask, KeyButton button)
+{
+	LOG((CLOG_DEBUG1 "send key down to \"%s\" id=%d, mask=0x%04x, button=0x%04x", getName().c_str(), key, mask, button));
+	CProtocolUtil::writef(getStream(), kMsgDKeyDown, key, mask, button);
+}
+
+void
+CClientProxy1_1::keyRepeat(KeyID key, KeyModifierMask mask,
+				SInt32 count, KeyButton button)
+{
+	LOG((CLOG_DEBUG1 "send key repeat to \"%s\" id=%d, mask=0x%04x, count=%d, button=0x%04x", getName().c_str(), key, mask, count, button));
+	CProtocolUtil::writef(getStream(), kMsgDKeyRepeat, key, mask, count, button);
+}
+
+void
+CClientProxy1_1::keyUp(KeyID key, KeyModifierMask mask, KeyButton button)
+{
+	LOG((CLOG_DEBUG1 "send key up to \"%s\" id=%d, mask=0x%04x, button=0x%04x", getName().c_str(), key, mask, button));
+	CProtocolUtil::writef(getStream(), kMsgDKeyUp, key, mask, button);
+}

src/lib/server/CClientProxy1_1.h

@@ -0,0 +1,36 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTPROXY1_1_H
+#define CCLIENTPROXY1_1_H
+
+#include "CClientProxy1_0.h"
+
+//! Proxy for client implementing protocol version 1.1
+class CClientProxy1_1 : public CClientProxy1_0 {
+public:
+	CClientProxy1_1(const CString& name, IStream* adoptedStream);
+	~CClientProxy1_1();
+
+	// IClient overrides
+	virtual void		keyDown(KeyID, KeyModifierMask, KeyButton);
+	virtual void		keyRepeat(KeyID, KeyModifierMask,
+							SInt32 count, KeyButton);
+	virtual void		keyUp(KeyID, KeyModifierMask, KeyButton);
+};
+
+#endif

src/lib/server/CClientProxy1_2.cpp

@@ -0,0 +1,42 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxy1_2.h"
+#include "CProtocolUtil.h"
+#include "CLog.h"
+
+//
+// CClientProxy1_1
+//
+
+CClientProxy1_2::CClientProxy1_2(const CString& name, IStream* stream) :
+	CClientProxy1_1(name, stream)
+{
+	// do nothing
+}
+
+CClientProxy1_2::~CClientProxy1_2()
+{
+	// do nothing
+}
+
+void
+CClientProxy1_2::mouseRelativeMove(SInt32 xRel, SInt32 yRel)
+{
+	LOG((CLOG_DEBUG2 "send mouse relative move to \"%s\" %d,%d", getName().c_str(), xRel, yRel));
+	CProtocolUtil::writef(getStream(), kMsgDMouseRelMove, xRel, yRel);
+}

src/lib/server/CClientProxy1_2.h

@@ -0,0 +1,33 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTPROXY1_2_H
+#define CCLIENTPROXY1_2_H
+
+#include "CClientProxy1_1.h"
+
+//! Proxy for client implementing protocol version 1.2
+class CClientProxy1_2 : public CClientProxy1_1 {
+public:
+	CClientProxy1_2(const CString& name, IStream* adoptedStream);
+	~CClientProxy1_2();
+
+	// IClient overrides
+	virtual void		mouseRelativeMove(SInt32 xRel, SInt32 yRel);
+};
+
+#endif

src/lib/server/CClientProxy1_3.cpp

@@ -0,0 +1,119 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2006 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxy1_3.h"
+#include "CProtocolUtil.h"
+#include "CLog.h"
+#include "IEventQueue.h"
+#include "TMethodEventJob.h"
+#include <cstring>
+#include <memory>
+
+//
+// CClientProxy1_3
+//
+
+CClientProxy1_3::CClientProxy1_3(const CString& name, IStream* stream) :
+	CClientProxy1_2(name, stream),
+	m_keepAliveRate(kKeepAliveRate),
+	m_keepAliveTimer(NULL)
+{
+	setHeartbeatRate(kKeepAliveRate, kKeepAliveRate * kKeepAlivesUntilDeath);
+}
+
+CClientProxy1_3::~CClientProxy1_3()
+{
+	// cannot do this in superclass or our override wouldn't get called
+	removeHeartbeatTimer();
+}
+
+void
+CClientProxy1_3::mouseWheel(SInt32 xDelta, SInt32 yDelta)
+{
+	LOG((CLOG_DEBUG2 "send mouse wheel to \"%s\" %+d,%+d", getName().c_str(), xDelta, yDelta));
+	CProtocolUtil::writef(getStream(), kMsgDMouseWheel, xDelta, yDelta);
+}
+
+bool
+CClientProxy1_3::parseMessage(const UInt8* code)
+{
+	// process message
+	if (memcmp(code, kMsgCKeepAlive, 4) == 0) {
+		// reset alarm
+		resetHeartbeatTimer();
+		return true;
+	}
+	else {
+		return CClientProxy1_2::parseMessage(code);
+	}
+}
+
+void
+CClientProxy1_3::resetHeartbeatRate()
+{
+	setHeartbeatRate(kKeepAliveRate, kKeepAliveRate * kKeepAlivesUntilDeath);
+}
+
+void
+CClientProxy1_3::setHeartbeatRate(double rate, double)
+{
+	m_keepAliveRate = rate;
+	CClientProxy1_2::setHeartbeatRate(rate, rate * kKeepAlivesUntilDeath);
+}
+
+void
+CClientProxy1_3::resetHeartbeatTimer()
+{
+	// reset the alarm but not the keep alive timer
+	CClientProxy1_2::removeHeartbeatTimer();
+	CClientProxy1_2::addHeartbeatTimer();
+}
+
+void
+CClientProxy1_3::addHeartbeatTimer()
+{
+	// create and install a timer to periodically send keep alives
+	if (m_keepAliveRate > 0.0) {
+		m_keepAliveTimer = EVENTQUEUE->newTimer(m_keepAliveRate, NULL);
+		EVENTQUEUE->adoptHandler(CEvent::kTimer, m_keepAliveTimer,
+							new TMethodEventJob<CClientProxy1_3>(this,
+								&CClientProxy1_3::handleKeepAlive, NULL));
+	}
+
+	// superclass does the alarm
+	CClientProxy1_2::addHeartbeatTimer();
+}
+
+void
+CClientProxy1_3::removeHeartbeatTimer()
+{
+	// remove the timer that sends keep alives periodically
+	if (m_keepAliveTimer != NULL) {
+		EVENTQUEUE->removeHandler(CEvent::kTimer, m_keepAliveTimer);
+		EVENTQUEUE->deleteTimer(m_keepAliveTimer);
+		m_keepAliveTimer = NULL;
+	}
+
+	// superclass does the alarm
+	CClientProxy1_2::removeHeartbeatTimer();
+}
+
+void
+CClientProxy1_3::handleKeepAlive(const CEvent&, void*)
+{
+	CProtocolUtil::writef(getStream(), kMsgCKeepAlive);
+}

src/lib/server/CClientProxy1_3.h

@@ -0,0 +1,50 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2006 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTPROXY1_3_H
+#define CCLIENTPROXY1_3_H
+
+#include "CClientProxy1_2.h"
+
+//! Proxy for client implementing protocol version 1.3
+class CClientProxy1_3 : public CClientProxy1_2 {
+public:
+	CClientProxy1_3(const CString& name, IStream* adoptedStream);
+	~CClientProxy1_3();
+
+	// IClient overrides
+	virtual void		mouseWheel(SInt32 xDelta, SInt32 yDelta);
+
+protected:
+	// CClientProxy overrides
+	virtual bool		parseMessage(const UInt8* code);
+	virtual void		resetHeartbeatRate();
+	virtual void		setHeartbeatRate(double rate, double alarm);
+	virtual void		resetHeartbeatTimer();
+	virtual void		addHeartbeatTimer();
+	virtual void		removeHeartbeatTimer();
+
+private:
+	void				handleKeepAlive(const CEvent&, void*);
+
+
+private:
+	double				m_keepAliveRate;
+	CEventQueueTimer*	m_keepAliveTimer;
+};
+
+#endif

src/lib/server/CClientProxy1_4.cpp

@@ -0,0 +1,111 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2011 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxy1_4.h"
+#include "CProtocolUtil.h"
+#include "CLog.h"
+#include "IEventQueue.h"
+#include "TMethodEventJob.h"
+#include <cstring>
+#include <memory>
+#include "CServer.h"
+
+//
+// CClientProxy1_4
+//
+
+CClientProxy1_4::CClientProxy1_4(const CString& name, IStream* stream, CServer* server) :
+	CClientProxy1_3(name, stream), m_server(server)
+{
+	assert(m_server != NULL);
+}
+
+CClientProxy1_4::~CClientProxy1_4()
+{
+}
+
+void
+CClientProxy1_4::gameDeviceButtons(GameDeviceID id, GameDeviceButton buttons)
+{
+	LOG((CLOG_DEBUG2 "send game device buttons to \"%s\" id=%d buttons=%d", getName().c_str(), id, buttons));
+	CProtocolUtil::writef(getStream(), kMsgDGameButtons, id, buttons);
+}
+
+void
+CClientProxy1_4::gameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2)
+{
+	LOG((CLOG_DEBUG2 "send game device sticks to \"%s\" id=%d s1=%+d,%+d s2=%+d,%+d", getName().c_str(), id, x1, y1, x2, y2));
+	CProtocolUtil::writef(getStream(), kMsgDGameSticks, id, x1, y1, x2, y2);
+}
+
+void
+CClientProxy1_4::gameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2)
+{
+	LOG((CLOG_DEBUG2 "send game device triggers to \"%s\" id=%d t1=%d t2=%d", getName().c_str(), id, t1, t2));
+	CProtocolUtil::writef(getStream(), kMsgDGameTriggers, id, t1, t2);
+}
+
+void
+CClientProxy1_4::gameDeviceTimingReq()
+{
+	LOG((CLOG_DEBUG2 "send game device timing request to \"%s\"", getName().c_str()));
+	CProtocolUtil::writef(getStream(), kMsgCGameTimingReq);
+}
+
+bool
+CClientProxy1_4::parseMessage(const UInt8* code)
+{
+	// process message
+	if (memcmp(code, kMsgCGameTimingResp, 4) == 0) {
+		gameDeviceTimingResp();
+	}
+	
+	else if (memcmp(code, kMsgDGameFeedback, 4) == 0) {
+		gameDeviceFeedback();
+	}
+
+	else {
+		return CClientProxy1_3::parseMessage(code);
+	}
+
+	return true;
+}
+
+void
+CClientProxy1_4::gameDeviceFeedback()
+{
+	// parse
+	GameDeviceID id;
+	UInt16 m1, m2;
+	CProtocolUtil::readf(getStream(), kMsgDGameFeedback + 4, &id, &m1, &m2);
+	LOG((CLOG_DEBUG2 "recv game device feedback id=%d m1=%d m2=%d", id, m1, m2));
+
+	// forward
+	m_server->gameDeviceFeedback(id, m1, m2);
+}
+
+void
+CClientProxy1_4::gameDeviceTimingResp()
+{
+	// parse
+	UInt16 freq;
+	CProtocolUtil::readf(getStream(), kMsgCGameTimingResp + 4, &freq);
+	LOG((CLOG_DEBUG2 "recv game device timing response freq=%dms", freq));
+
+	// forward
+	m_server->gameDeviceTimingResp(freq);
+}

src/lib/server/CClientProxy1_4.h

@@ -0,0 +1,47 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2011 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "CClientProxy1_3.h"
+#include "GameDeviceTypes.h"
+
+class CServer;
+
+//! Proxy for client implementing protocol version 1.4
+class CClientProxy1_4 : public CClientProxy1_3 {
+public:
+	CClientProxy1_4(const CString& name, IStream* adoptedStream, CServer* server);
+	~CClientProxy1_4();
+
+	// IClient overrides
+	virtual void		gameDeviceButtons(GameDeviceID id, GameDeviceButton buttons);
+	virtual void		gameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2);
+	virtual void		gameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2);
+	virtual void		gameDeviceTimingReq();
+
+protected:
+	// CClientProxy overrides
+	virtual bool		parseMessage(const UInt8* code);
+
+private:
+	// message handlers
+	void				gameDeviceTimingResp();
+	void				gameDeviceFeedback();
+
+	CServer*			m_server;
+};

src/lib/server/CClientProxyUnknown.cpp

@@ -0,0 +1,299 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CClientProxyUnknown.h"
+#include "CClientProxy1_0.h"
+#include "CClientProxy1_1.h"
+#include "CClientProxy1_2.h"
+#include "CClientProxy1_3.h"
+#include "CClientProxy1_4.h"
+#include "ProtocolTypes.h"
+#include "CProtocolUtil.h"
+#include "XSynergy.h"
+#include "IStream.h"
+#include "XIO.h"
+#include "CLog.h"
+#include "CString.h"
+#include "IEventQueue.h"
+#include "TMethodEventJob.h"
+#include "CServer.h"
+
+//
+// CClientProxyUnknown
+//
+
+CEvent::Type			CClientProxyUnknown::s_successEvent = CEvent::kUnknown;
+CEvent::Type			CClientProxyUnknown::s_failureEvent = CEvent::kUnknown;
+
+CClientProxyUnknown::CClientProxyUnknown(IStream* stream, double timeout, CServer* server) :
+	m_stream(stream),
+	m_proxy(NULL),
+	m_ready(false),
+	m_server(server)
+{
+	assert(m_server != NULL);
+
+	EVENTQUEUE->adoptHandler(CEvent::kTimer, this,
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleTimeout, NULL));
+	m_timer = EVENTQUEUE->newOneShotTimer(timeout, this);
+	addStreamHandlers();
+
+	LOG((CLOG_DEBUG1 "saying hello"));
+	CProtocolUtil::writef(m_stream, kMsgHello,
+							kProtocolMajorVersion,
+							kProtocolMinorVersion);
+}
+
+CClientProxyUnknown::~CClientProxyUnknown()
+{
+	removeHandlers();
+	removeTimer();
+	delete m_stream;
+	delete m_proxy;
+}
+
+CClientProxy*
+CClientProxyUnknown::orphanClientProxy()
+{
+	if (m_ready) {
+		removeHandlers();
+		CClientProxy* proxy = m_proxy;
+		m_proxy = NULL;
+		return proxy;
+	}
+	else {
+		return NULL;
+	}
+}
+
+CEvent::Type
+CClientProxyUnknown::getSuccessEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_successEvent,
+							"CClientProxy::success");
+}
+
+CEvent::Type
+CClientProxyUnknown::getFailureEvent()
+{
+	return EVENTQUEUE->registerTypeOnce(s_failureEvent,
+							"CClientProxy::failure");
+}
+
+void
+CClientProxyUnknown::sendSuccess()
+{
+	m_ready = true;
+	removeTimer();
+	EVENTQUEUE->addEvent(CEvent(getSuccessEvent(), this));
+}
+
+void
+CClientProxyUnknown::sendFailure()
+{
+	delete m_proxy;
+	m_proxy = NULL;
+	m_ready = false;
+	removeHandlers();
+	removeTimer();
+	EVENTQUEUE->addEvent(CEvent(getFailureEvent(), this));
+}
+
+void
+CClientProxyUnknown::addStreamHandlers()
+{
+	assert(m_stream != NULL);
+
+	EVENTQUEUE->adoptHandler(m_stream->getInputReadyEvent(),
+							m_stream->getEventTarget(),
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleData));
+	EVENTQUEUE->adoptHandler(m_stream->getOutputErrorEvent(),
+							m_stream->getEventTarget(),
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleWriteError));
+	EVENTQUEUE->adoptHandler(m_stream->getInputShutdownEvent(),
+							m_stream->getEventTarget(),
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleDisconnect));
+	EVENTQUEUE->adoptHandler(m_stream->getOutputShutdownEvent(),
+							m_stream->getEventTarget(),
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleWriteError));
+}
+
+void
+CClientProxyUnknown::addProxyHandlers()
+{
+	assert(m_proxy != NULL);
+
+	EVENTQUEUE->adoptHandler(CClientProxy::getReadyEvent(),
+							m_proxy,
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleReady));
+	EVENTQUEUE->adoptHandler(CClientProxy::getDisconnectedEvent(),
+							m_proxy,
+							new TMethodEventJob<CClientProxyUnknown>(this,
+								&CClientProxyUnknown::handleDisconnect));
+}
+
+void
+CClientProxyUnknown::removeHandlers()
+{
+	if (m_stream != NULL) {
+		EVENTQUEUE->removeHandler(m_stream->getInputReadyEvent(),
+							m_stream->getEventTarget());
+		EVENTQUEUE->removeHandler(m_stream->getOutputErrorEvent(),
+							m_stream->getEventTarget());
+		EVENTQUEUE->removeHandler(m_stream->getInputShutdownEvent(),
+							m_stream->getEventTarget());
+		EVENTQUEUE->removeHandler(m_stream->getOutputShutdownEvent(),
+							m_stream->getEventTarget());
+	}
+	if (m_proxy != NULL) {
+		EVENTQUEUE->removeHandler(CClientProxy::getReadyEvent(),
+							m_proxy);
+		EVENTQUEUE->removeHandler(CClientProxy::getDisconnectedEvent(),
+							m_proxy);
+	}
+}
+
+void
+CClientProxyUnknown::removeTimer()
+{
+	if (m_timer != NULL) {
+		EVENTQUEUE->deleteTimer(m_timer);
+		EVENTQUEUE->removeHandler(CEvent::kTimer, this);
+		m_timer = NULL;
+	}
+}
+
+void
+CClientProxyUnknown::handleData(const CEvent&, void*)
+{
+	LOG((CLOG_DEBUG1 "parsing hello reply"));
+
+	CString name("<unknown>");
+	try {
+		// limit the maximum length of the hello
+		UInt32 n = m_stream->getSize();
+		if (n > kMaxHelloLength) {
+			LOG((CLOG_DEBUG1 "hello reply too long"));
+			throw XBadClient();
+		}
+
+		// parse the reply to hello
+		SInt16 major, minor;
+		if (!CProtocolUtil::readf(m_stream, kMsgHelloBack,
+									&major, &minor, &name)) {
+			throw XBadClient();
+		}
+
+		// disallow invalid version numbers
+		if (major <= 0 || minor < 0) {
+			throw XIncompatibleClient(major, minor);
+		}
+
+		// remove stream event handlers.  the proxy we're about to create
+		// may install its own handlers and we don't want to accidentally
+		// remove those later.
+		removeHandlers();
+
+		// create client proxy for highest version supported by the client
+		if (major == 1) {
+			switch (minor) {
+			case 0:
+				m_proxy = new CClientProxy1_0(name, m_stream);
+				break;
+
+			case 1:
+				m_proxy = new CClientProxy1_1(name, m_stream);
+				break;
+
+			case 2:
+				m_proxy = new CClientProxy1_2(name, m_stream);
+				break;
+
+			case 3:
+				m_proxy = new CClientProxy1_3(name, m_stream);
+				break;
+
+			case 4:
+				m_proxy = new CClientProxy1_4(name, m_stream, m_server);
+				break;
+			}
+		}
+
+		// hangup (with error) if version isn't supported
+		if (m_proxy == NULL) {
+			throw XIncompatibleClient(major, minor);
+		}
+
+		// the proxy is created and now proxy now owns the stream
+		LOG((CLOG_DEBUG1 "created proxy for client \"%s\" version %d.%d", name.c_str(), major, minor));
+		m_stream = NULL;
+
+		// wait until the proxy signals that it's ready or has disconnected
+		addProxyHandlers();
+		return;
+	}
+	catch (XIncompatibleClient& e) {
+		// client is incompatible
+		LOG((CLOG_WARN "client \"%s\" has incompatible version %d.%d)", name.c_str(), e.getMajor(), e.getMinor()));
+		CProtocolUtil::writef(m_stream,
+							kMsgEIncompatible,
+							kProtocolMajorVersion, kProtocolMinorVersion);
+	}
+	catch (XBadClient&) {
+		// client not behaving
+		LOG((CLOG_WARN "protocol error from client \"%s\"", name.c_str()));
+		CProtocolUtil::writef(m_stream, kMsgEBad);
+	}
+	catch (XBase& e) {
+		// misc error
+		LOG((CLOG_WARN "error communicating with client \"%s\": %s", name.c_str(), e.what()));
+	}
+	sendFailure();
+}
+
+void
+CClientProxyUnknown::handleWriteError(const CEvent&, void*)
+{
+	LOG((CLOG_NOTE "error communicating with new client"));
+	sendFailure();
+}
+
+void
+CClientProxyUnknown::handleTimeout(const CEvent&, void*)
+{
+	LOG((CLOG_NOTE "new client is unresponsive"));
+	sendFailure();
+}
+
+void
+CClientProxyUnknown::handleDisconnect(const CEvent&, void*)
+{
+	LOG((CLOG_NOTE "new client disconnected"));
+	sendFailure();
+}
+
+void
+CClientProxyUnknown::handleReady(const CEvent&, void*)
+{
+	sendSuccess();
+}

src/lib/server/CClientProxyUnknown.h

@@ -0,0 +1,88 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCLIENTPROXYUNKNOWN_H
+#define CCLIENTPROXYUNKNOWN_H
+
+#include "CEvent.h"
+
+class CClientProxy;
+class CEventQueueTimer;
+class IStream;
+class CServer;
+
+class CClientProxyUnknown {
+public:
+	CClientProxyUnknown(IStream* stream, double timeout, CServer* server);
+	~CClientProxyUnknown();
+
+	//! @name manipulators
+	//@{
+
+	//! Get the client proxy
+	/*!
+	Returns the client proxy created after a successful handshake
+	(i.e. when this object sends a success event).  Returns NULL
+	if the handshake is unsuccessful or incomplete.
+	*/
+	CClientProxy*		orphanClientProxy();
+
+	//@}
+	//! @name accessors
+	//@{
+
+	//! Get success event type
+	/*!
+	Returns the success event type.  This is sent when the client has
+	correctly responded to the hello message.  The target is this.
+	*/
+	static CEvent::Type	getSuccessEvent();
+
+	//! Get failure event type
+	/*!
+	Returns the failure event type.  This is sent when a client fails
+	to correctly respond to the hello message.  The target is this.
+	*/
+	static CEvent::Type	getFailureEvent();
+
+	//@}
+
+private:
+	void				sendSuccess();
+	void				sendFailure();
+	void				addStreamHandlers();
+	void				addProxyHandlers();
+	void				removeHandlers();
+	void				removeTimer();
+	void				handleData(const CEvent&, void*);
+	void				handleWriteError(const CEvent&, void*);
+	void				handleTimeout(const CEvent&, void*);
+	void				handleDisconnect(const CEvent&, void*);
+	void				handleReady(const CEvent&, void*);
+
+private:
+	IStream*			m_stream;
+	CEventQueueTimer*	m_timer;
+	CClientProxy*		m_proxy;
+	bool				m_ready;
+
+	static CEvent::Type	s_successEvent;
+	static CEvent::Type	s_failureEvent;
+	CServer*			m_server;
+};
+
+#endif

src/lib/server/CConfig.h

@@ -0,0 +1,539 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CCONFIG_H
+#define CCONFIG_H
+
+#include "OptionTypes.h"
+#include "ProtocolTypes.h"
+#include "CNetworkAddress.h"
+#include "CStringUtil.h"
+#include "CInputFilter.h"
+#include "XBase.h"
+#include "stdmap.h"
+#include "stdset.h"
+#include "IPlatformScreen.h"
+#include <iosfwd>
+
+class CConfig;
+class CConfigReadContext;
+
+namespace std {
+template <>
+struct iterator_traits<CConfig> {
+	typedef CString						value_type;
+	typedef ptrdiff_t					difference_type;
+	typedef bidirectional_iterator_tag	iterator_category;
+	typedef CString*					pointer;
+	typedef CString&					reference;
+};
+};
+
+//! Server configuration
+/*!
+This class holds server configuration information.  That includes
+the names of screens and their aliases, the links between them,
+and network addresses.
+
+Note that case is preserved in screen names but is ignored when
+comparing names.  Screen names and their aliases share a
+namespace and must be unique.
+*/
+class CConfig {
+public:
+	typedef std::map<OptionID, OptionValue> CScreenOptions;
+	typedef std::pair<float, float> CInterval;
+
+	class CCellEdge {
+	public:
+		CCellEdge(EDirection side, float position);
+		CCellEdge(EDirection side, const CInterval&);
+		CCellEdge(const CString& name, EDirection side, const CInterval&);
+		~CCellEdge();
+
+		CInterval		getInterval() const;
+		void			setName(const CString& newName);
+		CString			getName() const;
+		EDirection		getSide() const;
+		bool			overlaps(const CCellEdge&) const;
+		bool			isInside(float x) const;
+
+		// transform position to [0,1]
+		float			transform(float x) const;
+
+		// transform [0,1] to position
+		float			inverseTransform(float x) const;
+
+		// compares side and start of interval
+		bool			operator<(const CCellEdge&) const;
+
+		// compares side and interval
+		bool			operator==(const CCellEdge&) const;
+		bool			operator!=(const CCellEdge&) const;
+
+	private:
+		void			init(const CString& name, EDirection side,
+							const CInterval&);
+
+	private:
+		CString			m_name;
+		EDirection		m_side;
+		CInterval		m_interval;
+	};
+
+private:
+	class CName {
+	public:
+		CName(CConfig*, const CString& name);
+
+		bool			operator==(const CString& name) const;
+
+	private:
+		CConfig*		m_config;
+		CString			m_name;
+	};
+
+	class CCell {
+	private:
+		typedef std::map<CCellEdge, CCellEdge> CEdgeLinks;
+
+	public:
+		typedef CEdgeLinks::const_iterator const_iterator;
+
+		bool			add(const CCellEdge& src, const CCellEdge& dst);
+		void			remove(EDirection side);
+		void			remove(EDirection side, float position);
+		void			remove(const CName& destinationName);
+		void			rename(const CName& oldName, const CString& newName);
+
+		bool			hasEdge(const CCellEdge&) const;
+		bool			overlaps(const CCellEdge&) const;
+
+		bool			getLink(EDirection side, float position,
+							const CCellEdge*& src, const CCellEdge*& dst) const;
+
+		bool			operator==(const CCell&) const;
+		bool			operator!=(const CCell&) const;
+
+		const_iterator	begin() const;
+		const_iterator	end() const;
+
+	private:
+		CEdgeLinks		m_neighbors;
+
+	public:
+		CScreenOptions	m_options;
+	};
+	typedef std::map<CString, CCell, CStringUtil::CaselessCmp> CCellMap;
+	typedef std::map<CString, CString, CStringUtil::CaselessCmp> CNameMap;
+
+public:
+	typedef CCell::const_iterator link_const_iterator;
+	typedef CCellMap::const_iterator internal_const_iterator;
+	typedef CNameMap::const_iterator all_const_iterator;
+	class const_iterator : std::iterator_traits<CConfig> {
+	public:
+		explicit const_iterator() : m_i() { }
+		explicit const_iterator(const internal_const_iterator& i) : m_i(i) { }
+
+		const_iterator&	operator=(const const_iterator& i) {
+			m_i = i.m_i;
+			return *this;
+		}
+		CString			operator*() { return m_i->first; }
+		const CString*	operator->() { return &(m_i->first); }
+		const_iterator&	operator++() { ++m_i;  return *this; }
+		const_iterator	operator++(int) { return const_iterator(m_i++); }
+		const_iterator&	operator--() { --m_i;  return *this; }
+		const_iterator	operator--(int) { return const_iterator(m_i--); }
+		bool			operator==(const const_iterator& i) const {
+			return (m_i == i.m_i);
+		}
+		bool			operator!=(const const_iterator& i) const {
+			return (m_i != i.m_i);
+		}
+
+	private:
+		internal_const_iterator	m_i;
+	};
+
+	CConfig();
+	virtual ~CConfig();
+
+	//! @name manipulators
+	//@{
+
+	//! Add screen
+	/*!
+	Adds a screen, returning true iff successful.  If a screen or
+	alias with the given name exists then it fails.
+	*/
+	bool				addScreen(const CString& name);
+
+	//! Rename screen
+	/*!
+	Renames a screen.  All references to the name are updated.
+	Returns true iff successful.
+	*/
+	bool				renameScreen(const CString& oldName,
+							const CString& newName);
+
+	//! Remove screen
+	/*!
+	Removes a screen.  This also removes aliases for the screen and
+	disconnects any connections to the screen.  \c name may be an
+	alias.
+	*/
+	void				removeScreen(const CString& name);
+
+	//! Remove all screens
+	/*!
+	Removes all screens, aliases, and connections.
+	*/
+	void				removeAllScreens();
+
+	//! Add alias
+	/*!
+	Adds an alias for a screen name.  An alias can be used
+	any place the canonical screen name can (except addScreen()).
+	Returns false if the alias name already exists or the canonical
+	name is unknown, otherwise returns true.
+	*/
+	bool				addAlias(const CString& canonical,
+							const CString& alias);
+
+	//! Remove alias
+	/*!
+	Removes an alias for a screen name.  It returns false if the
+	alias is unknown or a canonical name, otherwise returns true.
+	*/
+	bool				removeAlias(const CString& alias);
+
+	//! Remove aliases
+	/*!
+	Removes all aliases for a canonical screen name.  It returns false
+	if the canonical name is unknown, otherwise returns true.
+	*/
+	bool				removeAliases(const CString& canonical);
+
+	//! Remove all aliases
+	/*!
+	This removes all aliases but not the screens.
+	*/
+	void				removeAllAliases();
+
+	//! Connect screens
+	/*!
+	Establishes a one-way connection between portions of opposite edges
+	of two screens.  Each portion is described by an interval defined
+	by two numbers, the start and end of the interval half-open on the
+	end.  The numbers range from 0 to 1, inclusive, for the left/top
+	to the right/bottom.  The user will be able to jump from the
+	\c srcStart to \c srcSend interval of \c srcSide of screen
+	\c srcName to the opposite side of screen \c dstName in the interval
+	\c dstStart and \c dstEnd when both screens are connected to the
+	server and the user isn't locked to a screen.  Returns false if
+	\c srcName is unknown.  \c srcStart must be less than or equal to
+	\c srcEnd and \c dstStart must be less then or equal to \c dstEnd
+	and all of \c srcStart, \c srcEnd, \c dstStart, or \c dstEnd must
+	be inside the range [0,1].
+	*/
+	bool				connect(const CString& srcName,
+							EDirection srcSide,
+							float srcStart, float srcEnd,
+							const CString& dstName,
+							float dstStart, float dstEnd);
+
+	//! Disconnect screens
+	/*!
+	Removes all connections created by connect() on side \c srcSide.
+	Returns false if \c srcName is unknown.
+	*/
+	bool				disconnect(const CString& srcName,
+							EDirection srcSide);
+
+	//! Disconnect screens
+	/*!
+	Removes the connections created by connect() on side \c srcSide
+	covering position \c position.  Returns false if \c srcName is
+	unknown.
+	*/
+	bool				disconnect(const CString& srcName,
+							EDirection srcSide, float position);
+
+	//! Set server address
+	/*!
+	Set the synergy listen addresses.  There is no default address so
+	this must be called to run a server using this configuration.
+	*/
+	void				setSynergyAddress(const CNetworkAddress&);
+
+	//! Add a screen option
+	/*!
+	Adds an option and its value to the named screen.  Replaces the
+	existing option's value if there is one.  Returns true iff \c name
+	is a known screen.
+	*/
+	bool				addOption(const CString& name,
+							OptionID option, OptionValue value);
+
+	//! Remove a screen option
+	/*!
+	Removes an option and its value from the named screen.  Does
+	nothing if the option doesn't exist on the screen.  Returns true
+	iff \c name is a known screen.
+	*/
+	bool				removeOption(const CString& name, OptionID option);
+
+	//! Remove a screen options
+	/*!
+	Removes all options and values from the named screen.  Returns true
+	iff \c name is a known screen.
+	*/
+	bool				removeOptions(const CString& name);
+
+	//! Get the hot key input filter
+	/*!
+	Returns the hot key input filter.  Clients can modify hotkeys using
+	that object.
+	*/
+	CInputFilter*		getInputFilter();
+
+	//@}
+	//! @name accessors
+	//@{
+
+	//! Test screen name validity
+	/*!
+	Returns true iff \c name is a valid screen name.
+	*/
+	bool				isValidScreenName(const CString& name) const;
+
+	//! Get beginning (canonical) screen name iterator
+	const_iterator		begin() const;
+	//! Get ending (canonical) screen name iterator
+	const_iterator		end() const;
+
+	//! Get beginning screen name iterator
+	all_const_iterator	beginAll() const;
+	//! Get ending screen name iterator
+	all_const_iterator	endAll() const;
+
+	//! Test for screen name
+	/*!
+	Returns true iff \c name names a screen.
+	*/
+	bool				isScreen(const CString& name) const;
+
+	//! Test for canonical screen name
+	/*!
+	Returns true iff \c name is the canonical name of a screen.
+	*/
+	bool				isCanonicalName(const CString& name) const;
+
+	//! Get canonical name
+	/*!
+	Returns the canonical name of a screen or the empty string if
+	the name is unknown.  Returns the canonical name if one is given.
+	*/
+	CString				getCanonicalName(const CString& name) const;
+
+	//! Get neighbor
+	/*!
+	Returns the canonical screen name of the neighbor in the given
+	direction (set through connect()) at position \c position.  Returns
+	the empty string if there is no neighbor in that direction, otherwise
+	saves the position on the neighbor in \c positionOut if it's not
+	\c NULL.
+	*/
+	CString				getNeighbor(const CString&, EDirection,
+							float position, float* positionOut) const;
+
+	//! Check for neighbor
+	/*!
+	Returns \c true if the screen has a neighbor anywhere along the edge
+	given by the direction.
+	*/
+	bool				hasNeighbor(const CString&, EDirection) const;
+
+	//! Check for neighbor
+	/*!
+	Returns \c true if the screen has a neighbor in the given range along
+	the edge given by the direction.
+	*/
+	bool				hasNeighbor(const CString&, EDirection,
+							float start, float end) const;
+
+	//! Get beginning neighbor iterator
+	link_const_iterator	beginNeighbor(const CString&) const;
+	//! Get ending neighbor iterator
+	link_const_iterator	endNeighbor(const CString&) const;
+
+	//! Get the server address
+	const CNetworkAddress&	getSynergyAddress() const;
+
+	//! Get the screen options
+	/*!
+	Returns all the added options for the named screen.  Returns NULL
+	if the screen is unknown and an empty collection if there are no
+	options.
+	*/
+	const CScreenOptions* getOptions(const CString& name) const;
+
+	//! Check for lock to screen action
+	/*!
+	Returns \c true if this configuration has a lock to screen action.
+	This is for backwards compatible support of ScrollLock locking.
+	*/
+	bool					hasLockToScreenAction() const;
+
+	//! Compare configurations
+	bool				operator==(const CConfig&) const;
+	//! Compare configurations
+	bool				operator!=(const CConfig&) const;
+
+	//! Read configuration
+	/*!
+	Reads a configuration from a context.  Throws XConfigRead on error
+	and context is unchanged.
+	*/
+	void					read(CConfigReadContext& context);
+
+	//! Read configuration
+	/*!
+	Reads a configuration from a stream.  Throws XConfigRead on error.
+	*/
+	friend std::istream&	operator>>(std::istream&, CConfig&);
+
+	//! Write configuration
+	/*!
+	Writes a configuration to a stream.
+	*/
+	friend std::ostream&	operator<<(std::ostream&, const CConfig&);
+
+	//! Get direction name
+	/*!
+	Returns the name of a direction (for debugging).
+	*/
+	static const char*	dirName(EDirection);
+
+	//! Get interval as string
+	/*!
+	Returns an interval as a parseable string.
+	*/
+	static CString		formatInterval(const CInterval&);
+
+	//@}
+
+private:
+	void				readSection(CConfigReadContext&);
+	void				readSectionOptions(CConfigReadContext&);
+	void				readSectionScreens(CConfigReadContext&);
+	void				readSectionLinks(CConfigReadContext&);
+	void				readSectionAliases(CConfigReadContext&);
+
+	CInputFilter::CCondition*
+						parseCondition(CConfigReadContext&,
+							const CString& condition,
+							const std::vector<CString>& args);
+	void				parseAction(CConfigReadContext&,
+							const CString& action,
+							const std::vector<CString>& args,
+							CInputFilter::CRule&, bool activate);
+
+	void				parseScreens(CConfigReadContext&, const CString&,
+							std::set<CString>& screens) const;
+	static const char*	getOptionName(OptionID);
+	static CString		getOptionValue(OptionID, OptionValue);
+
+private:
+	CCellMap			m_map;
+	CNameMap			m_nameToCanonicalName;
+	CNetworkAddress		m_synergyAddress;
+	CScreenOptions		m_globalOptions;
+	CInputFilter		m_inputFilter;
+	bool				m_hasLockToScreenAction;
+};
+
+//! Configuration read context
+/*!
+Maintains a context when reading a configuration from a stream.
+*/
+class CConfigReadContext {
+public:
+	typedef std::vector<CString> ArgList;
+
+	CConfigReadContext(std::istream&, SInt32 firstLine = 1);
+	~CConfigReadContext();
+
+	bool			readLine(CString&);
+	UInt32			getLineNumber() const;
+
+	operator void*() const;
+	bool			operator!() const;
+
+	OptionValue		parseBoolean(const CString&) const;
+	OptionValue		parseInt(const CString&) const;
+	OptionValue		parseModifierKey(const CString&) const;
+	OptionValue		parseCorner(const CString&) const;
+	OptionValue		parseCorners(const CString&) const;
+	CConfig::CInterval
+					parseInterval(const ArgList& args) const;
+	void			parseNameWithArgs(
+						const CString& type, const CString& line,
+						const CString& delim, CString::size_type& index,
+						CString& name, ArgList& args) const;
+	IPlatformScreen::CKeyInfo*
+					parseKeystroke(const CString& keystroke) const;
+	IPlatformScreen::CKeyInfo*
+					parseKeystroke(const CString& keystroke,
+						const std::set<CString>& screens) const;
+	IPlatformScreen::CButtonInfo*
+					parseMouse(const CString& mouse) const;
+	KeyModifierMask	parseModifier(const CString& modifiers) const;
+
+private:
+	// not implemented
+	CConfigReadContext&	operator=(const CConfigReadContext&);
+
+	static CString	concatArgs(const ArgList& args);
+
+private:
+	std::istream&	m_stream;
+	SInt32			m_line;
+};
+
+//! Configuration stream read exception
+/*!
+Thrown when a configuration stream cannot be parsed.
+*/
+class XConfigRead : public XBase {
+public:
+	XConfigRead(const CConfigReadContext& context, const CString&);
+	XConfigRead(const CConfigReadContext& context,
+							const char* errorFmt, const CString& arg);
+	~XConfigRead();
+
+protected:
+	// XBase overrides
+	virtual CString		getWhat() const throw();
+
+private:
+	CString				m_error;
+};
+
+#endif

src/lib/server/CInputFilter.h

@@ -0,0 +1,347 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2005 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CINPUTFILTER_H
+#define CINPUTFILTER_H
+
+#include "KeyTypes.h"
+#include "MouseTypes.h"
+#include "ProtocolTypes.h"
+#include "IPlatformScreen.h"
+#include "CString.h"
+#include "stdmap.h"
+#include "stdset.h"
+
+class CPrimaryClient;
+class CEvent;
+
+class CInputFilter {
+public:
+	// -------------------------------------------------------------------------
+	// Input Filter Condition Classes
+	// -------------------------------------------------------------------------
+	enum EFilterStatus {
+		kNoMatch,
+		kActivate,
+		kDeactivate
+	};
+
+	class CCondition {
+	public:
+		CCondition();
+		virtual ~CCondition();
+
+		virtual CCondition*		clone() const = 0;
+		virtual CString			format() const = 0;
+
+		virtual EFilterStatus	match(const CEvent&) = 0;
+
+		virtual void			enablePrimary(CPrimaryClient*);
+		virtual void			disablePrimary(CPrimaryClient*);
+	};
+	
+	// CKeystrokeCondition
+	class CKeystrokeCondition : public CCondition {
+	public:
+		CKeystrokeCondition(IPlatformScreen::CKeyInfo*);
+		CKeystrokeCondition(KeyID key, KeyModifierMask mask);
+		virtual ~CKeystrokeCondition();
+
+		KeyID					getKey() const;
+		KeyModifierMask			getMask() const;
+
+		// CCondition overrides
+		virtual CCondition*		clone() const;
+		virtual CString			format() const;
+		virtual EFilterStatus	match(const CEvent&);
+		virtual void			enablePrimary(CPrimaryClient*);
+		virtual void			disablePrimary(CPrimaryClient*);
+
+	private:
+		UInt32					m_id;
+		KeyID					m_key;
+		KeyModifierMask			m_mask;
+	};
+
+	// CMouseButtonCondition
+	class CMouseButtonCondition : public CCondition {
+	public:
+		CMouseButtonCondition(IPlatformScreen::CButtonInfo*);
+		CMouseButtonCondition(ButtonID, KeyModifierMask mask);
+		virtual ~CMouseButtonCondition();
+
+		ButtonID				getButton() const;
+		KeyModifierMask			getMask() const;
+
+		// CCondition overrides
+		virtual CCondition*		clone() const;
+		virtual CString			format() const;
+		virtual EFilterStatus	match(const CEvent&);
+
+	private:
+		ButtonID				m_button;
+		KeyModifierMask			m_mask;
+	};
+
+	// CScreenConnectedCondition
+	class CScreenConnectedCondition : public CCondition {
+	public:
+		CScreenConnectedCondition(const CString& screen);
+		virtual ~CScreenConnectedCondition();
+
+		// CCondition overrides
+		virtual CCondition*		clone() const;
+		virtual CString			format() const;
+		virtual EFilterStatus	match(const CEvent&);
+
+	private:
+		CString					m_screen;
+	};
+
+	// -------------------------------------------------------------------------
+	// Input Filter Action Classes
+	// -------------------------------------------------------------------------
+	
+	class CAction {
+    public:
+		CAction();
+		virtual	~CAction();
+
+		virtual CAction*		clone() const = 0;
+		virtual CString			format() const = 0;
+
+        virtual void			perform(const CEvent&) = 0;
+    };
+	
+	// CLockCursorToScreenAction
+	class CLockCursorToScreenAction : public CAction {
+	public:
+		enum Mode { kOff, kOn, kToggle };
+
+		CLockCursorToScreenAction(Mode = kToggle);
+
+		Mode					getMode() const;
+
+		// CAction overrides
+		virtual CAction*		clone() const;
+		virtual CString			format() const;
+		virtual void			perform(const CEvent&);
+
+	private:
+		Mode					m_mode;
+	};
+	
+	// CSwitchToScreenAction
+	class CSwitchToScreenAction : public CAction {
+	public:
+		CSwitchToScreenAction(const CString& screen);
+
+		CString					getScreen() const;
+
+		// CAction overrides
+		virtual CAction*		clone() const;
+		virtual CString			format() const;
+		virtual void			perform(const CEvent&);
+
+	private:
+		CString					m_screen;
+	};
+	
+	// CSwitchInDirectionAction
+	class CSwitchInDirectionAction : public CAction {
+	public:
+		CSwitchInDirectionAction(EDirection);
+
+		EDirection				getDirection() const;
+
+		// CAction overrides
+		virtual CAction*		clone() const;
+		virtual CString			format() const;
+		virtual void			perform(const CEvent&);
+
+	private:
+		EDirection				m_direction;
+	};
+	
+	// CKeyboardBroadcastAction
+	class CKeyboardBroadcastAction : public CAction {
+	public:
+		enum Mode { kOff, kOn, kToggle };
+
+		CKeyboardBroadcastAction(Mode = kToggle);
+		CKeyboardBroadcastAction(Mode, const std::set<CString>& screens);
+
+		Mode					getMode() const;
+		std::set<CString>		getScreens() const;
+
+		// CAction overrides
+		virtual CAction*		clone() const;
+		virtual CString			format() const;
+		virtual void			perform(const CEvent&);
+
+	private:
+		Mode					m_mode;
+		CString					m_screens;
+	};
+
+	// CKeystrokeAction
+	class CKeystrokeAction : public CAction {
+	public:
+		CKeystrokeAction(IPlatformScreen::CKeyInfo* adoptedInfo, bool press);
+		~CKeystrokeAction();
+
+		void					adoptInfo(IPlatformScreen::CKeyInfo*);
+		const IPlatformScreen::CKeyInfo*
+								getInfo() const;
+		bool					isOnPress() const;
+
+		// CAction overrides
+		virtual CAction*		clone() const;
+		virtual CString			format() const;
+		virtual void			perform(const CEvent&);
+
+	protected:
+		virtual const char*		formatName() const;
+
+	private:
+		IPlatformScreen::CKeyInfo*	m_keyInfo;
+		bool						m_press;
+	};
+
+	// CMouseButtonAction -- modifier combinations not implemented yet
+	class CMouseButtonAction : public CAction {
+	public:
+		CMouseButtonAction(IPlatformScreen::CButtonInfo* adoptedInfo,
+									bool press);
+		~CMouseButtonAction();
+
+		const IPlatformScreen::CButtonInfo*
+								getInfo() const;
+		bool					isOnPress() const;
+
+		// CAction overrides
+		virtual CAction*		clone() const;
+		virtual CString			format() const;
+		virtual void			perform(const CEvent&);
+
+	protected:
+		virtual const char*		formatName() const;
+
+	private:
+		IPlatformScreen::CButtonInfo*	m_buttonInfo;
+		bool							m_press;
+	};
+
+	class CRule {
+	public:
+		CRule();
+		CRule(CCondition* adopted);
+		CRule(const CRule&);
+		~CRule();
+
+		CRule& operator=(const CRule&);
+
+		// replace the condition
+		void			setCondition(CCondition* adopted);
+
+		// add an action to the rule
+		void			adoptAction(CAction*, bool onActivation);
+
+		// remove an action from the rule
+		void			removeAction(bool onActivation, UInt32 index);
+
+		// replace an action in the rule
+		void			replaceAction(CAction* adopted,
+							bool onActivation, UInt32 index);
+
+		// enable/disable
+		void			enable(CPrimaryClient*);
+		void			disable(CPrimaryClient*);
+
+		// event handling
+		bool			handleEvent(const CEvent&);
+
+		// convert rule to a string
+		CString			format() const;
+
+		// get the rule's condition
+		const CCondition*
+						getCondition() const;
+
+		// get number of actions
+		UInt32			getNumActions(bool onActivation) const;
+
+		// get action by index
+		const CAction&	getAction(bool onActivation, UInt32 index) const;
+
+	private:
+		void			clear();
+		void			copy(const CRule&);
+
+	private:
+		typedef std::vector<CAction*> CActionList;
+
+		CCondition*		m_condition;
+		CActionList		m_activateActions;
+		CActionList		m_deactivateActions;
+	};
+
+	// -------------------------------------------------------------------------
+	// Input Filter Class
+	// -------------------------------------------------------------------------
+	typedef std::vector<CRule> CRuleList;
+
+	CInputFilter();
+	CInputFilter(const CInputFilter&);
+	virtual ~CInputFilter();
+
+	CInputFilter&		operator=(const CInputFilter&);
+
+	// add rule, adopting the condition and the actions
+	void				addFilterRule(const CRule& rule);
+
+	// remove a rule
+	void				removeFilterRule(UInt32 index);
+
+	// get rule by index
+	CRule&				getRule(UInt32 index);
+
+	// enable event filtering using the given primary client.  disable
+	// if client is NULL.
+	void				setPrimaryClient(CPrimaryClient* client);
+
+	// convert rules to a string
+	CString				format(const CString& linePrefix) const;
+
+	// get number of rules
+	UInt32				getNumRules() const;
+
+	//! Compare filters
+	bool				operator==(const CInputFilter&) const;
+	//! Compare filters
+	bool				operator!=(const CInputFilter&) const;
+
+private:
+	// event handling
+	void				handleEvent(const CEvent&, void*);
+
+private:
+	CRuleList			m_ruleList;
+	CPrimaryClient*		m_primaryClient;
+};
+
+#endif

src/lib/server/CMakeLists.txt

@@ -0,0 +1,79 @@
+# synergy -- mouse and keyboard sharing utility
+# Copyright (C) 2009 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+# 
+# 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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set(inc
+	CBaseClientProxy.h
+	CClientListener.h
+	CClientProxy.h
+	CClientProxy1_0.h
+	CClientProxy1_1.h
+	CClientProxy1_2.h
+	CClientProxy1_3.h
+	CClientProxy1_4.h
+	CClientProxyUnknown.h
+	CConfig.h
+	CInputFilter.h
+	CPrimaryClient.h
+	CServer.h
+)
+
+set(src
+	CBaseClientProxy.cpp
+	CClientListener.cpp
+	CClientProxy.cpp
+	CClientProxy1_0.cpp
+	CClientProxy1_1.cpp
+	CClientProxy1_2.cpp
+	CClientProxy1_3.cpp
+	CClientProxy1_4.cpp
+	CClientProxyUnknown.cpp
+	CConfig.cpp
+	CInputFilter.cpp
+	CPrimaryClient.cpp
+	CServer.cpp
+)
+
+if (WIN32)
+	list(APPEND src ${inc})
+endif()
+
+set(inc
+	../arch
+	../base
+	../common
+	../io
+	../mt
+	../net
+	../synergy
+)
+
+if (UNIX)
+	list(APPEND inc
+		../../..
+	)
+endif()
+
+include_directories(${inc})
+add_library(server STATIC ${src})
+
+if (WIN32)
+	if (GAME_DEVICE_SUPPORT)
+		include_directories($ENV{DXSDK_DIR}/Include)
+	endif()
+endif()
+
+if (UNIX)
+	target_link_libraries(server synergy)
+endif()

src/lib/server/CPrimaryClient.cpp

@@ -0,0 +1,284 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CPrimaryClient.h"
+#include "CScreen.h"
+#include "CClipboard.h"
+#include "CLog.h"
+
+//
+// CPrimaryClient
+//
+
+CPrimaryClient::CPrimaryClient(const CString& name, CScreen* screen) :
+	CBaseClientProxy(name),
+	m_screen(screen),
+	m_fakeInputCount(0)
+{
+	// all clipboards are clean
+	for (UInt32 i = 0; i < kClipboardEnd; ++i) {
+		m_clipboardDirty[i] = false;
+	}
+}
+
+CPrimaryClient::~CPrimaryClient()
+{
+	// do nothing
+}
+
+void
+CPrimaryClient::reconfigure(UInt32 activeSides)
+{
+	m_screen->reconfigure(activeSides);
+}
+
+UInt32
+CPrimaryClient::registerHotKey(KeyID key, KeyModifierMask mask)
+{
+	return m_screen->registerHotKey(key, mask);
+}
+
+void
+CPrimaryClient::unregisterHotKey(UInt32 id)
+{
+	m_screen->unregisterHotKey(id);
+}
+
+void
+CPrimaryClient::fakeInputBegin()
+{
+	if (++m_fakeInputCount == 1) {
+		m_screen->fakeInputBegin();
+	}
+}
+
+void
+CPrimaryClient::fakeInputEnd()
+{
+	if (--m_fakeInputCount == 0) {
+		m_screen->fakeInputEnd();
+	}
+}
+
+SInt32
+CPrimaryClient::getJumpZoneSize() const
+{
+	return m_screen->getJumpZoneSize();
+}
+
+void
+CPrimaryClient::getCursorCenter(SInt32& x, SInt32& y) const
+{
+	m_screen->getCursorCenter(x, y);
+}
+
+KeyModifierMask
+CPrimaryClient::getToggleMask() const
+{
+	return m_screen->pollActiveModifiers();
+}
+
+bool
+CPrimaryClient::isLockedToScreen() const
+{
+	return m_screen->isLockedToScreen();
+}
+
+void*
+CPrimaryClient::getEventTarget() const
+{
+	return m_screen->getEventTarget();
+}
+
+bool
+CPrimaryClient::getClipboard(ClipboardID id, IClipboard* clipboard) const
+{
+	return m_screen->getClipboard(id, clipboard);
+}
+
+void
+CPrimaryClient::getShape(SInt32& x, SInt32& y,
+				SInt32& width, SInt32& height) const
+{
+	m_screen->getShape(x, y, width, height);
+}
+
+void
+CPrimaryClient::getCursorPos(SInt32& x, SInt32& y) const
+{
+	m_screen->getCursorPos(x, y);
+}
+
+void
+CPrimaryClient::enable()
+{
+	m_screen->enable();
+}
+
+void
+CPrimaryClient::disable()
+{
+	m_screen->disable();
+}
+
+void
+CPrimaryClient::enter(SInt32 xAbs, SInt32 yAbs,
+				UInt32 seqNum, KeyModifierMask mask, bool screensaver)
+{
+	m_screen->setSequenceNumber(seqNum);
+	if (!screensaver) {
+		m_screen->warpCursor(xAbs, yAbs);
+	}
+	m_screen->enter(mask);
+}
+
+bool
+CPrimaryClient::leave()
+{
+	return m_screen->leave();
+}
+
+void
+CPrimaryClient::setClipboard(ClipboardID id, const IClipboard* clipboard)
+{
+	// ignore if this clipboard is already clean
+	if (m_clipboardDirty[id]) {
+		// this clipboard is now clean
+		m_clipboardDirty[id] = false;
+
+		// set clipboard
+		m_screen->setClipboard(id, clipboard);
+	}
+}
+
+void
+CPrimaryClient::grabClipboard(ClipboardID id)
+{
+	// grab clipboard
+	m_screen->grabClipboard(id);
+
+	// clipboard is dirty (because someone else owns it now)
+	m_clipboardDirty[id] = true;
+}
+
+void
+CPrimaryClient::setClipboardDirty(ClipboardID id, bool dirty)
+{
+	m_clipboardDirty[id] = dirty;
+}
+
+void
+CPrimaryClient::keyDown(KeyID key, KeyModifierMask mask, KeyButton button)
+{
+	if (m_fakeInputCount > 0) {
+// XXX -- don't forward keystrokes to primary screen for now
+		(void)key;
+		(void)mask;
+		(void)button;
+//		m_screen->keyDown(key, mask, button);
+	}
+}
+
+void
+CPrimaryClient::keyRepeat(KeyID, KeyModifierMask, SInt32, KeyButton)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::keyUp(KeyID key, KeyModifierMask mask, KeyButton button)
+{
+	if (m_fakeInputCount > 0) {
+// XXX -- don't forward keystrokes to primary screen for now
+		(void)key;
+		(void)mask;
+		(void)button;
+//		m_screen->keyUp(key, mask, button);
+	}
+}
+
+void
+CPrimaryClient::mouseDown(ButtonID)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::mouseUp(ButtonID)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::mouseMove(SInt32 x, SInt32 y)
+{
+	m_screen->warpCursor(x, y);
+}
+
+void
+CPrimaryClient::mouseRelativeMove(SInt32, SInt32)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::mouseWheel(SInt32, SInt32)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::gameDeviceButtons(GameDeviceID, GameDeviceButton)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::gameDeviceSticks(GameDeviceID, SInt16, SInt16, SInt16, SInt16)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::gameDeviceTriggers(GameDeviceID, UInt8, UInt8)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::gameDeviceTimingReq()
+{
+	// ignore
+}
+
+void
+CPrimaryClient::screensaver(bool)
+{
+	// ignore
+}
+
+void
+CPrimaryClient::resetOptions()
+{
+	m_screen->resetOptions();
+}
+
+void
+CPrimaryClient::setOptions(const COptionsList& options)
+{
+	m_screen->setOptions(options);
+}

src/lib/server/CPrimaryClient.h

@@ -0,0 +1,152 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CPRIMARYCLIENT_H
+#define CPRIMARYCLIENT_H
+
+#include "CBaseClientProxy.h"
+#include "ProtocolTypes.h"
+
+class CScreen;
+
+//! Primary screen as pseudo-client
+/*!
+The primary screen does not have a client associated with it.  This
+class provides a pseudo-client to allow the primary screen to be
+treated as if it was a client.
+*/
+class CPrimaryClient : public CBaseClientProxy {
+public:
+	/*!
+	\c name is the name of the server and \p screen is primary screen.
+	*/
+	CPrimaryClient(const CString& name, CScreen* screen);
+	~CPrimaryClient();
+
+	//! @name manipulators
+	//@{
+
+	//! Update configuration
+	/*!
+	Handles reconfiguration of jump zones.
+	*/
+	void				reconfigure(UInt32 activeSides);
+
+	//! Register a system hotkey
+	/*!
+	Registers a system-wide hotkey for key \p key with modifiers \p mask.
+	Returns an id used to unregister the hotkey.
+	*/
+	UInt32				registerHotKey(KeyID key, KeyModifierMask mask);
+
+	//! Unregister a system hotkey
+	/*!
+	Unregisters a previously registered hot key.
+	*/
+	void				unregisterHotKey(UInt32 id);
+
+	//! Prepare to synthesize input on primary screen
+	/*!
+	Prepares the primary screen to receive synthesized input.  We do not
+	want to receive this synthesized input as user input so this method
+	ensures that we ignore it.  Calls to \c fakeInputBegin() and
+	\c fakeInputEnd() may be nested;  only the outermost have an effect.
+	*/
+	void				fakeInputBegin();
+
+	//! Done synthesizing input on primary screen
+	/*!
+	Undoes whatever \c fakeInputBegin() did.
+	*/
+	void				fakeInputEnd();
+
+	//@}
+	//! @name accessors
+	//@{
+
+	//! Get jump zone size
+	/*!
+	Return the jump zone size, the size of the regions on the edges of
+	the screen that cause the cursor to jump to another screen.
+	*/
+	SInt32				getJumpZoneSize() const;
+
+	//! Get cursor center position
+	/*!
+	Return the cursor center position which is where we park the
+	cursor to compute cursor motion deltas and should be far from
+	the edges of the screen, typically the center.
+	*/
+	void				getCursorCenter(SInt32& x, SInt32& y) const;
+	
+	//! Get toggle key state
+	/*!
+	Returns the primary screen's current toggle modifier key state.
+	*/
+	KeyModifierMask		getToggleMask() const;
+
+	//! Get screen lock state
+	/*!
+	Returns true if the user is locked to the screen.
+	*/
+	bool				isLockedToScreen() const;
+
+	//@}
+
+	// FIXME -- these probably belong on IScreen
+	virtual void		enable();
+	virtual void		disable();
+
+	// IScreen overrides
+	virtual void*		getEventTarget() const;
+	virtual bool		getClipboard(ClipboardID id, IClipboard*) const;
+	virtual void		getShape(SInt32& x, SInt32& y,
+							SInt32& width, SInt32& height) const;
+	virtual void		getCursorPos(SInt32& x, SInt32& y) const;
+
+	// IClient overrides
+	virtual void		enter(SInt32 xAbs, SInt32 yAbs,
+							UInt32 seqNum, KeyModifierMask mask,
+							bool forScreensaver);
+	virtual bool		leave();
+	virtual void		setClipboard(ClipboardID, const IClipboard*);
+	virtual void		grabClipboard(ClipboardID);
+	virtual void		setClipboardDirty(ClipboardID, bool);
+	virtual void		keyDown(KeyID, KeyModifierMask, KeyButton);
+	virtual void		keyRepeat(KeyID, KeyModifierMask,
+							SInt32 count, KeyButton);
+	virtual void		keyUp(KeyID, KeyModifierMask, KeyButton);
+	virtual void		mouseDown(ButtonID);
+	virtual void		mouseUp(ButtonID);
+	virtual void		mouseMove(SInt32 xAbs, SInt32 yAbs);
+	virtual void		mouseRelativeMove(SInt32 xRel, SInt32 yRel);
+	virtual void		mouseWheel(SInt32 xDelta, SInt32 yDelta);
+	virtual void		gameDeviceButtons(GameDeviceID id, GameDeviceButton buttons);
+	virtual void		gameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2);
+	virtual void		gameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2);
+	virtual void		gameDeviceTimingReq();
+	virtual void		screensaver(bool activate);
+	virtual void		resetOptions();
+	virtual void		setOptions(const COptionsList& options);
+
+private:
+	CScreen*			m_screen;
+	bool				m_clipboardDirty[kClipboardEnd];
+	SInt32				m_fakeInputCount;
+};
+
+#endif

src/lib/server/CServer.h

@@ -0,0 +1,498 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
+ * 
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CSERVER_H
+#define CSERVER_H
+
+#include "CConfig.h"
+#include "CClipboard.h"
+#include "ClipboardTypes.h"
+#include "KeyTypes.h"
+#include "MouseTypes.h"
+#include "CEvent.h"
+#include "CStopwatch.h"
+#include "stdmap.h"
+#include "stdset.h"
+#include "stdvector.h"
+#include "INode.h"
+
+class CBaseClientProxy;
+class CEventQueueTimer;
+class CPrimaryClient;
+class CInputFilter;
+class CScreen;
+
+//! Synergy server
+/*!
+This class implements the top-level server algorithms for synergy.
+*/
+class CServer : public INode {
+public:
+	//! Lock cursor to screen data
+	class CLockCursorToScreenInfo {
+	public:
+		enum State { kOff, kOn, kToggle };
+
+		static CLockCursorToScreenInfo* alloc(State state = kToggle);
+
+	public:
+		State			m_state;
+	};
+
+	//! Switch to screen data
+	class CSwitchToScreenInfo {
+	public:
+		static CSwitchToScreenInfo* alloc(const CString& screen);
+
+	public:
+		// this is a C-string;  this type is a variable size structure
+		char			m_screen[1];
+	};
+
+	//! Switch in direction data
+	class CSwitchInDirectionInfo {
+	public:
+		static CSwitchInDirectionInfo* alloc(EDirection direction);
+
+	public:
+		EDirection		m_direction;
+	};
+
+	//! Screen connected data
+	class CScreenConnectedInfo {
+	public:
+		CScreenConnectedInfo(CString screen) : m_screen(screen) { }
+
+	public:
+		CString			m_screen; // was char[1]
+	};
+
+	//! Keyboard broadcast data
+	class CKeyboardBroadcastInfo {
+	public:
+		enum State { kOff, kOn, kToggle };
+
+		static CKeyboardBroadcastInfo* alloc(State state = kToggle);
+		static CKeyboardBroadcastInfo* alloc(State state,
+											const CString& screens);
+
+	public:
+		State			m_state;
+		char			m_screens[1];
+	};
+
+	/*!
+	Start the server with the configuration \p config and the primary
+	client (local screen) \p primaryClient.  The client retains
+	ownership of \p primaryClient.
+	*/
+	CServer(const CConfig& config, CPrimaryClient* primaryClient, CScreen* screen);
+	~CServer();
+
+	//! @name manipulators
+	//@{
+
+	//! Set configuration
+	/*!
+	Change the server's configuration.  Returns true iff the new
+	configuration was accepted (it must include the server's name).
+	This will disconnect any clients no longer in the configuration.
+	*/
+	bool				setConfig(const CConfig&);
+
+	//! Add a client
+	/*!
+	Adds \p client to the server.  The client is adopted and will be
+	destroyed when the client disconnects or is disconnected.
+	*/
+	void				adoptClient(CBaseClientProxy* client);
+
+	//! Disconnect clients
+	/*!
+	Disconnect clients.  This tells them to disconnect but does not wait
+	for them to actually do so.  The server sends the disconnected event
+	when they're all disconnected (or immediately if none are connected).
+	The caller can also just destroy this object to force the disconnection.
+	*/
+	void				disconnect();
+
+	//! Notify of game device timing response
+	void				gameDeviceTimingResp(UInt16 freq);
+
+	//! Notify of game device feedback
+	void				gameDeviceFeedback(GameDeviceID id, UInt16 m1, UInt16 m2);
+
+	//@}
+	//! @name accessors
+	//@{
+
+	//! Get number of connected clients
+	/*!
+	Returns the number of connected clients, including the server itself.
+	*/
+	UInt32				getNumClients() const;
+
+	//! Get the list of connected clients
+	/*!
+	Set the \c list to the names of the currently connected clients.
+	*/
+	void				getClients(std::vector<CString>& list) const;
+
+	//! Get error event type
+	/*!
+	Returns the error event type.  This is sent when the server fails
+	for some reason.
+	*/
+	static CEvent::Type	getErrorEvent();
+
+	//! Get connected event type
+	/*!
+	Returns the connected event type.  This is sent when a client screen
+	has connected.  The event data is a \c CScreenConnectedInfo* that
+	indicates the connected screen.
+	*/
+	static CEvent::Type	getConnectedEvent();
+
+	//! Get disconnected event type
+	/*!
+	Returns the disconnected event type.  This is sent when all the
+	clients have disconnected.
+	*/
+	static CEvent::Type	getDisconnectedEvent();
+
+	//! Get switch to screen event type
+	/*!
+	Returns the switch to screen event type.  The server responds to this
+	by switching screens.  The event data is a \c CSwitchToScreenInfo*
+	that indicates the target screen.
+	*/
+	static CEvent::Type	getSwitchToScreenEvent();
+
+	//! Get switch in direction event type
+	/*!
+	Returns the switch in direction event type.  The server responds to this
+	by switching screens.  The event data is a \c CSwitchInDirectionInfo*
+	that indicates the target direction.
+	*/
+	static CEvent::Type	getSwitchInDirectionEvent();
+
+	//! Get keyboard broadcast event type
+	/*!
+	Returns the keyboard broadcast event type.  The server responds
+	to this by turning on keyboard broadcasting or turning it off.  The
+	event data is a \c CKeyboardBroadcastInfo*.
+	*/
+	static CEvent::Type getKeyboardBroadcastEvent();
+
+	//! Get lock cursor event type
+	/*!
+	Returns the lock cursor event type.  The server responds to this
+	by locking the cursor to the active screen or unlocking it.  The
+	event data is a \c CLockCursorToScreenInfo*.
+	*/
+	static CEvent::Type	getLockCursorToScreenEvent();
+
+	//! Get screen switched event type
+	/*!
+	Returns the screen switched event type.  This is raised when the
+	screen has been switched to a client.
+	*/
+	static CEvent::Type	getScreenSwitchedEvent();
+
+	//@}
+
+private:
+	// get canonical name of client
+	CString				getName(const CBaseClientProxy*) const;
+
+	// get the sides of the primary screen that have neighbors
+	UInt32				getActivePrimarySides() const;
+
+	// returns true iff mouse should be locked to the current screen
+	// according to this object only, ignoring what the primary client
+	// says.
+	bool				isLockedToScreenServer() const;
+
+	// returns true iff mouse should be locked to the current screen
+	// according to this object or the primary client.
+	bool				isLockedToScreen() const;
+
+	// returns the jump zone of the client
+	SInt32				getJumpZoneSize(CBaseClientProxy*) const;
+
+	// change the active screen
+	void				switchScreen(CBaseClientProxy*,
+							SInt32 x, SInt32 y, bool forScreenSaver);
+
+	// jump to screen
+	void				jumpToScreen(CBaseClientProxy*);
+
+	// convert pixel position to fraction, using x or y depending on the
+	// direction.
+	float				mapToFraction(CBaseClientProxy*, EDirection,
+							SInt32 x, SInt32 y) const;
+
+	// convert fraction to pixel position, writing only x or y depending
+	// on the direction.
+	void				mapToPixel(CBaseClientProxy*, EDirection, float f,
+							SInt32& x, SInt32& y) const;
+
+	// returns true if the client has a neighbor anywhere along the edge
+	// indicated by the direction.
+	bool				hasAnyNeighbor(CBaseClientProxy*, EDirection) const;
+
+	// lookup neighboring screen, mapping the coordinate independent of
+	// the direction to the neighbor's coordinate space.
+	CBaseClientProxy*	getNeighbor(CBaseClientProxy*, EDirection,
+							SInt32& x, SInt32& y) const;
+
+	// lookup neighboring screen.  given a position relative to the
+	// source screen, find the screen we should move onto and where.
+	// if the position is sufficiently far from the source then we
+	// cross multiple screens.  if there is no suitable screen then
+	// return NULL and x,y are not modified.
+	CBaseClientProxy*	mapToNeighbor(CBaseClientProxy*, EDirection,
+							SInt32& x, SInt32& y) const;
+
+	// adjusts x and y or neither to avoid ending up in a jump zone
+	// after entering the client in the given direction.
+	void				avoidJumpZone(CBaseClientProxy*, EDirection,
+							SInt32& x, SInt32& y) const;
+
+	// test if a switch is permitted.  this includes testing user
+	// options like switch delay and tracking any state required to
+	// implement them.  returns true iff a switch is permitted.
+	bool				isSwitchOkay(CBaseClientProxy* dst, EDirection,
+							SInt32 x, SInt32 y, SInt32 xActive, SInt32 yActive);
+
+	// update switch state due to a mouse move at \p x, \p y that
+	// doesn't switch screens.
+	void				noSwitch(SInt32 x, SInt32 y);
+
+	// stop switch timers
+	void				stopSwitch();
+
+	// start two tap switch timer
+	void				startSwitchTwoTap();
+
+	// arm the two tap switch timer if \p x, \p y is outside the tap zone
+	void				armSwitchTwoTap(SInt32 x, SInt32 y);
+
+	// stop the two tap switch timer
+	void				stopSwitchTwoTap();
+
+	// returns true iff the two tap switch timer is started
+	bool				isSwitchTwoTapStarted() const;
+
+	// returns true iff should switch because of two tap
+	bool				shouldSwitchTwoTap() const;
+
+	// start delay switch timer
+	void				startSwitchWait(SInt32 x, SInt32 y);
+
+	// stop delay switch timer
+	void				stopSwitchWait();
+
+	// returns true iff the delay switch timer is started
+	bool				isSwitchWaitStarted() const;
+
+	// returns the corner (EScreenSwitchCornerMasks) where x,y is on the
+	// given client.  corners have the given size.
+	UInt32				getCorner(CBaseClientProxy*,
+							SInt32 x, SInt32 y, SInt32 size) const;
+
+	// stop relative mouse moves
+	void				stopRelativeMoves();
+
+	// send screen options to \c client
+	void				sendOptions(CBaseClientProxy* client) const;
+
+	// process options from configuration
+	void				processOptions();
+
+	// event handlers
+	void				handleShapeChanged(const CEvent&, void*);
+	void				handleClipboardGrabbed(const CEvent&, void*);
+	void				handleClipboardChanged(const CEvent&, void*);
+	void				handleKeyDownEvent(const CEvent&, void*);
+	void				handleKeyUpEvent(const CEvent&, void*);
+	void				handleKeyRepeatEvent(const CEvent&, void*);
+	void				handleButtonDownEvent(const CEvent&, void*);
+	void				handleButtonUpEvent(const CEvent&, void*);
+	void				handleMotionPrimaryEvent(const CEvent&, void*);
+	void				handleMotionSecondaryEvent(const CEvent&, void*);
+	void				handleWheelEvent(const CEvent&, void*);
+	void				handleGameDeviceButtons(const CEvent&, void*);
+	void				handleGameDeviceSticks(const CEvent&, void*);
+	void				handleGameDeviceTriggers(const CEvent&, void*);
+	void				handleGameDeviceTimingReq(const CEvent&, void*);
+	void				handleScreensaverActivatedEvent(const CEvent&, void*);
+	void				handleScreensaverDeactivatedEvent(const CEvent&, void*);
+	void				handleSwitchWaitTimeout(const CEvent&, void*);
+	void				handleClientDisconnected(const CEvent&, void*);
+	void				handleClientCloseTimeout(const CEvent&, void*);
+	void				handleSwitchToScreenEvent(const CEvent&, void*);
+	void				handleSwitchInDirectionEvent(const CEvent&, void*);
+	void				handleKeyboardBroadcastEvent(const CEvent&,void*);
+	void				handleLockCursorToScreenEvent(const CEvent&, void*);
+	void				handleFakeInputBeginEvent(const CEvent&, void*);
+	void				handleFakeInputEndEvent(const CEvent&, void*);
+
+	// event processing
+	void				onClipboardChanged(CBaseClientProxy* sender,
+							ClipboardID id, UInt32 seqNum);
+	void				onScreensaver(bool activated);
+	void				onKeyDown(KeyID, KeyModifierMask, KeyButton,
+							const char* screens);
+	void				onKeyUp(KeyID, KeyModifierMask, KeyButton,
+							const char* screens);
+	void				onKeyRepeat(KeyID, KeyModifierMask, SInt32, KeyButton);
+	void				onMouseDown(ButtonID);
+	void				onMouseUp(ButtonID);
+	bool				onMouseMovePrimary(SInt32 x, SInt32 y);
+	void				onMouseMoveSecondary(SInt32 dx, SInt32 dy);
+	void				onMouseWheel(SInt32 xDelta, SInt32 yDelta);
+	void				onGameDeviceButtons(GameDeviceID id, GameDeviceButton buttons);
+	void				onGameDeviceSticks(GameDeviceID id, SInt16 x1, SInt16 y1, SInt16 x2, SInt16 y2);
+	void				onGameDeviceTriggers(GameDeviceID id, UInt8 t1, UInt8 t2);
+	void				onGameDeviceTimingReq();
+
+	// add client to list and attach event handlers for client
+	bool				addClient(CBaseClientProxy*);
+
+	// remove client from list and detach event handlers for client
+	bool				removeClient(CBaseClientProxy*);
+
+	// close a client
+	void				closeClient(CBaseClientProxy*, const char* msg);
+
+	// close clients not in \p config
+	void				closeClients(const CConfig& config);
+
+	// close all clients whether they've completed the handshake or not,
+	// except the primary client
+	void				closeAllClients();
+
+	// remove clients from internal state
+	void				removeActiveClient(CBaseClientProxy*);
+	void				removeOldClient(CBaseClientProxy*);
+
+	// force the cursor off of \p client
+	void				forceLeaveClient(CBaseClientProxy* client);
+
+private:
+	class CClipboardInfo {
+	public:
+		CClipboardInfo();
+
+	public:
+		CClipboard		m_clipboard;
+		CString			m_clipboardData;
+		CString			m_clipboardOwner;
+		UInt32			m_clipboardSeqNum;
+	};
+
+	// the primary screen client
+	CPrimaryClient*		m_primaryClient;
+
+	// all clients (including the primary client) indexed by name
+	typedef std::map<CString, CBaseClientProxy*> CClientList;
+	typedef std::set<CBaseClientProxy*> CClientSet;
+	CClientList			m_clients;
+	CClientSet			m_clientSet;
+
+	// all old connections that we're waiting to hangup
+	typedef std::map<CBaseClientProxy*, CEventQueueTimer*> COldClients;
+	COldClients			m_oldClients;
+
+	// the client with focus
+	CBaseClientProxy*	m_active;
+
+	// the sequence number of enter messages
+	UInt32				m_seqNum;
+
+	// current mouse position (in absolute screen coordinates) on
+	// whichever screen is active
+	SInt32				m_x, m_y;
+
+	// last mouse deltas.  this is needed to smooth out double tap
+	// on win32 which reports bogus mouse motion at the edge of
+	// the screen when using low level hooks, synthesizing motion
+	// in the opposite direction the mouse actually moved.
+	SInt32				m_xDelta, m_yDelta;
+	SInt32				m_xDelta2, m_yDelta2;
+
+	// current configuration
+	CConfig				m_config;
+
+	// input filter (from m_config);
+	CInputFilter*		m_inputFilter;
+
+	// clipboard cache
+	CClipboardInfo		m_clipboards[kClipboardEnd];
+
+	// state saved when screen saver activates
+	CBaseClientProxy*	m_activeSaver;
+	SInt32				m_xSaver, m_ySaver;
+
+	// common state for screen switch tests.  all tests are always
+	// trying to reach the same screen in the same direction.
+	EDirection			m_switchDir;
+	CBaseClientProxy*	m_switchScreen;
+
+	// state for delayed screen switching
+	double				m_switchWaitDelay;
+	CEventQueueTimer*	m_switchWaitTimer;
+	SInt32				m_switchWaitX, m_switchWaitY;
+
+	// state for double-tap screen switching
+	double				m_switchTwoTapDelay;
+	CStopwatch			m_switchTwoTapTimer;
+	bool				m_switchTwoTapEngaged;
+	bool				m_switchTwoTapArmed;
+	SInt32				m_switchTwoTapZone;
+
+	// modifiers needed before switching
+	bool				m_switchNeedsShift;
+	bool				m_switchNeedsControl;
+	bool				m_switchNeedsAlt;
+	
+	// relative mouse move option
+	bool				m_relativeMoves;
+
+	// flag whether or not we have broadcasting enabled and the screens to
+	// which we should send broadcasted keys.
+	bool				m_keyboardBroadcasting;
+	CString				m_keyboardBroadcastingScreens;
+
+	// screen locking (former scroll lock)
+	bool				m_lockedToScreen;
+
+	// server screen
+	CScreen*			m_screen;
+
+	static CEvent::Type	s_errorEvent;
+	static CEvent::Type	s_connectedEvent;
+	static CEvent::Type	s_disconnectedEvent;
+	static CEvent::Type	s_switchToScreen;
+	static CEvent::Type	s_switchInDirection;
+	static CEvent::Type s_keyboardBroadcast;
+	static CEvent::Type s_lockCursorToScreen;
+	static CEvent::Type s_screenSwitched;
+};
+
+#endif