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CServerProxy.cpp

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Last change on this file was 2749, checked in by bird, 19 years ago
synergy v1.3.1 sources (zip).
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1	/*
2	* synergy -- mouse and keyboard sharing utility
3	* Copyright (C) 2002 Chris Schoeneman
4	*
5	* This package is free software; you can redistribute it and/or
6	* modify it under the terms of the GNU General Public License
7	* found in the file COPYING that should have accompanied this file.
8	*
9	* This package is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*/
14
15	#include "CServerProxy.h"
16	#include "CClient.h"
17	#include "CClipboard.h"
18	#include "CProtocolUtil.h"
19	#include "OptionTypes.h"
20	#include "ProtocolTypes.h"
21	#include "IStream.h"
22	#include "CLog.h"
23	#include "IEventQueue.h"
24	#include "TMethodEventJob.h"
25	#include "XBase.h"
26	#include <memory>
27
28	//
29	// CServerProxy
30	//
31
32	CServerProxy::CServerProxy(CClient* client, IStream* stream) :
33	m_client(client),
34	m_stream(stream),
35	m_seqNum(0),
36	m_compressMouse(false),
37	m_compressMouseRelative(false),
38	m_xMouse(0),
39	m_yMouse(0),
40	m_dxMouse(0),
41	m_dyMouse(0),
42	m_ignoreMouse(false),
43	m_keepAliveAlarm(0.0),
44	m_keepAliveAlarmTimer(NULL),
45	m_parser(&CServerProxy::parseHandshakeMessage)
46	{
47	assert(m_client != NULL);
48	assert(m_stream != NULL);
49
50	// initialize modifier translation table
51	for (KeyModifierID id = 0; id < kKeyModifierIDLast; ++id)
52	m_modifierTranslationTable[id] = id;
53
54	// handle data on stream
55	EVENTQUEUE->adoptHandler(IStream::getInputReadyEvent(),
56	m_stream->getEventTarget(),
57	new TMethodEventJob<CServerProxy>(this,
58	&CServerProxy::handleData));
59
60	// send heartbeat
61	setKeepAliveRate(kKeepAliveRate);
62	}
63
64	CServerProxy::~CServerProxy()
65	{
66	setKeepAliveRate(-1.0);
67	EVENTQUEUE->removeHandler(IStream::getInputReadyEvent(),
68	m_stream->getEventTarget());
69	}
70
71	void
72	CServerProxy::resetKeepAliveAlarm()
73	{
74	if (m_keepAliveAlarmTimer != NULL) {
75	EVENTQUEUE->removeHandler(CEvent::kTimer, m_keepAliveAlarmTimer);
76	EVENTQUEUE->deleteTimer(m_keepAliveAlarmTimer);
77	m_keepAliveAlarmTimer = NULL;
78	}
79	if (m_keepAliveAlarm > 0.0) {
80	m_keepAliveAlarmTimer =
81	EVENTQUEUE->newOneShotTimer(m_keepAliveAlarm, NULL);
82	EVENTQUEUE->adoptHandler(CEvent::kTimer, m_keepAliveAlarmTimer,
83	new TMethodEventJob<CServerProxy>(this,
84	&CServerProxy::handleKeepAliveAlarm));
85	}
86	}
87
88	void
89	CServerProxy::setKeepAliveRate(double rate)
90	{
91	m_keepAliveAlarm = rate * kKeepAlivesUntilDeath;
92	resetKeepAliveAlarm();
93	}
94
95	void
96	CServerProxy::handleData(const CEvent&, void*)
97	{
98	// handle messages until there are no more. first read message code.
99	UInt8 code[4];
100	UInt32 n = m_stream->read(code, 4);
101	while (n != 0) {
102	// verify we got an entire code
103	if (n != 4) {
104	LOG((CLOG_ERR "incomplete message from server: %d bytes", n));
105	m_client->disconnect("incomplete message from server");
106	return;
107	}
108
109	// parse message
110	LOG((CLOG_DEBUG2 "msg from server: %c%c%c%c", code[0], code[1], code[2], code[3]));
111	switch ((this->*m_parser)(code)) {
112	case kOkay:
113	break;
114
115	case kUnknown:
116	LOG((CLOG_ERR "invalid message from server: %c%c%c%c", code[0], code[1], code[2], code[3]));
117	m_client->disconnect("invalid message from server");
118	return;
119
120	case kDisconnect:
121	return;
122	}
123
124	// next message
125	n = m_stream->read(code, 4);
126	}
127
128	flushCompressedMouse();
129	}
130
131	CServerProxy::EResult
132	CServerProxy::parseHandshakeMessage(const UInt8* code)
133	{
134	if (memcmp(code, kMsgQInfo, 4) == 0) {
135	queryInfo();
136	}
137
138	else if (memcmp(code, kMsgCInfoAck, 4) == 0) {
139	infoAcknowledgment();
140	}
141
142	else if (memcmp(code, kMsgDSetOptions, 4) == 0) {
143	setOptions();
144
145	// handshake is complete
146	m_parser = &CServerProxy::parseMessage;
147	m_client->handshakeComplete();
148	}
149
150	else if (memcmp(code, kMsgCResetOptions, 4) == 0) {
151	resetOptions();
152	}
153
154	else if (memcmp(code, kMsgCKeepAlive, 4) == 0) {
155	// echo keep alives and reset alarm
156	CProtocolUtil::writef(m_stream, kMsgCKeepAlive);
157	resetKeepAliveAlarm();
158	}
159
160	else if (memcmp(code, kMsgCNoop, 4) == 0) {
161	// accept and discard no-op
162	}
163
164	else if (memcmp(code, kMsgCClose, 4) == 0) {
165	// server wants us to hangup
166	LOG((CLOG_DEBUG1 "recv close"));
167	m_client->disconnect(NULL);
168	return kDisconnect;
169	}
170
171	else if (memcmp(code, kMsgEIncompatible, 4) == 0) {
172	SInt32 major, minor;
173	CProtocolUtil::readf(m_stream,
174	kMsgEIncompatible + 4, &major, &minor);
175	LOG((CLOG_ERR "server has incompatible version %d.%d", major, minor));
176	m_client->disconnect("server has incompatible version");
177	return kDisconnect;
178	}
179
180	else if (memcmp(code, kMsgEBusy, 4) == 0) {
181	LOG((CLOG_ERR "server already has a connected client with name \"%s\"", m_client->getName().c_str()));
182	m_client->disconnect("server already has a connected client with our name");
183	return kDisconnect;
184	}
185
186	else if (memcmp(code, kMsgEUnknown, 4) == 0) {
187	LOG((CLOG_ERR "server refused client with name \"%s\"", m_client->getName().c_str()));
188	m_client->disconnect("server refused client with our name");
189	return kDisconnect;
190	}
191
192	else if (memcmp(code, kMsgEBad, 4) == 0) {
193	LOG((CLOG_ERR "server disconnected due to a protocol error"));
194	m_client->disconnect("server reported a protocol error");
195	return kDisconnect;
196	}
197	else {
198	return kUnknown;
199	}
200
201	return kOkay;
202	}
203
204	CServerProxy::EResult
205	CServerProxy::parseMessage(const UInt8* code)
206	{
207	if (memcmp(code, kMsgDMouseMove, 4) == 0) {
208	mouseMove();
209	}
210
211	else if (memcmp(code, kMsgDMouseRelMove, 4) == 0) {
212	mouseRelativeMove();
213	}
214
215	else if (memcmp(code, kMsgDMouseWheel, 4) == 0) {
216	mouseWheel();
217	}
218
219	else if (memcmp(code, kMsgDKeyDown, 4) == 0) {
220	keyDown();
221	}
222
223	else if (memcmp(code, kMsgDKeyUp, 4) == 0) {
224	keyUp();
225	}
226
227	else if (memcmp(code, kMsgDMouseDown, 4) == 0) {
228	mouseDown();
229	}
230
231	else if (memcmp(code, kMsgDMouseUp, 4) == 0) {
232	mouseUp();
233	}
234
235	else if (memcmp(code, kMsgDKeyRepeat, 4) == 0) {
236	keyRepeat();
237	}
238
239	else if (memcmp(code, kMsgCKeepAlive, 4) == 0) {
240	// echo keep alives and reset alarm
241	CProtocolUtil::writef(m_stream, kMsgCKeepAlive);
242	resetKeepAliveAlarm();
243	}
244
245	else if (memcmp(code, kMsgCNoop, 4) == 0) {
246	// accept and discard no-op
247	}
248
249	else if (memcmp(code, kMsgCEnter, 4) == 0) {
250	enter();
251	}
252
253	else if (memcmp(code, kMsgCLeave, 4) == 0) {
254	leave();
255	}
256
257	else if (memcmp(code, kMsgCClipboard, 4) == 0) {
258	grabClipboard();
259	}
260
261	else if (memcmp(code, kMsgCScreenSaver, 4) == 0) {
262	screensaver();
263	}
264
265	else if (memcmp(code, kMsgQInfo, 4) == 0) {
266	queryInfo();
267	}
268
269	else if (memcmp(code, kMsgCInfoAck, 4) == 0) {
270	infoAcknowledgment();
271	}
272
273	else if (memcmp(code, kMsgDClipboard, 4) == 0) {
274	setClipboard();
275	}
276
277	else if (memcmp(code, kMsgCResetOptions, 4) == 0) {
278	resetOptions();
279	}
280
281	else if (memcmp(code, kMsgDSetOptions, 4) == 0) {
282	setOptions();
283	}
284
285	else if (memcmp(code, kMsgCClose, 4) == 0) {
286	// server wants us to hangup
287	LOG((CLOG_DEBUG1 "recv close"));
288	m_client->disconnect(NULL);
289	return kDisconnect;
290	}
291	else if (memcmp(code, kMsgEBad, 4) == 0) {
292	LOG((CLOG_ERR "server disconnected due to a protocol error"));
293	m_client->disconnect("server reported a protocol error");
294	return kDisconnect;
295	}
296	else {
297	return kUnknown;
298	}
299
300	// send a reply. this is intended to work around a delay when
301	// running a linux server and an OS X (any BSD?) client. the
302	// client waits to send an ACK (if the system control flag
303	// net.inet.tcp.delayed_ack is 1) in hopes of piggybacking it
304	// on a data packet. we provide that packet here. i don't
305	// know why a delayed ACK should cause the server to wait since
306	// TCP_NODELAY is enabled.
307	CProtocolUtil::writef(m_stream, kMsgCNoop);
308
309	return kOkay;
310	}
311
312	void
313	CServerProxy::handleKeepAliveAlarm(const CEvent&, void*)
314	{
315	LOG((CLOG_NOTE "server is dead"));
316	m_client->disconnect("server is not responding");
317	}
318
319	void
320	CServerProxy::onInfoChanged()
321	{
322	// ignore mouse motion until we receive acknowledgment of our info
323	// change message.
324	m_ignoreMouse = true;
325
326	// send info update
327	queryInfo();
328	}
329
330	bool
331	CServerProxy::onGrabClipboard(ClipboardID id)
332	{
333	LOG((CLOG_DEBUG1 "sending clipboard %d changed", id));
334	CProtocolUtil::writef(m_stream, kMsgCClipboard, id, m_seqNum);
335	return true;
336	}
337
338	void
339	CServerProxy::onClipboardChanged(ClipboardID id, const IClipboard* clipboard)
340	{
341	CString data = IClipboard::marshall(clipboard);
342	LOG((CLOG_DEBUG1 "sending clipboard %d seqnum=%d, size=%d", id, m_seqNum, data.size()));
343	CProtocolUtil::writef(m_stream, kMsgDClipboard, id, m_seqNum, &data);
344	}
345
346	void
347	CServerProxy::flushCompressedMouse()
348	{
349	if (m_compressMouse) {
350	m_compressMouse = false;
351	m_client->mouseMove(m_xMouse, m_yMouse);
352	}
353	if (m_compressMouseRelative) {
354	m_compressMouseRelative = false;
355	m_client->mouseRelativeMove(m_dxMouse, m_dyMouse);
356	m_dxMouse = 0;
357	m_dyMouse = 0;
358	}
359	}
360
361	void
362	CServerProxy::sendInfo(const CClientInfo& info)
363	{
364	LOG((CLOG_DEBUG1 "sending info shape=%d,%d %dx%d", info.m_x, info.m_y, info.m_w, info.m_h));
365	CProtocolUtil::writef(m_stream, kMsgDInfo,
366	info.m_x, info.m_y,
367	info.m_w, info.m_h, 0,
368	info.m_mx, info.m_my);
369	}
370
371	KeyID
372	CServerProxy::translateKey(KeyID id) const
373	{
374	static const KeyID s_translationTable[kKeyModifierIDLast][2] = {
375	{ kKeyNone, kKeyNone },
376	{ kKeyShift_L, kKeyShift_R },
377	{ kKeyControl_L, kKeyControl_R },
378	{ kKeyAlt_L, kKeyAlt_R },
379	{ kKeyMeta_L, kKeyMeta_R },
380	{ kKeySuper_L, kKeySuper_R }
381	};
382
383	KeyModifierID id2 = kKeyModifierIDNull;
384	UInt32 side = 0;
385	switch (id) {
386	case kKeyShift_L:
387	id2 = kKeyModifierIDShift;
388	side = 0;
389	break;
390
391	case kKeyShift_R:
392	id2 = kKeyModifierIDShift;
393	side = 1;
394	break;
395
396	case kKeyControl_L:
397	id2 = kKeyModifierIDControl;
398	side = 0;
399	break;
400
401	case kKeyControl_R:
402	id2 = kKeyModifierIDControl;
403	side = 1;
404	break;
405
406	case kKeyAlt_L:
407	id2 = kKeyModifierIDAlt;
408	side = 0;
409	break;
410
411	case kKeyAlt_R:
412	id2 = kKeyModifierIDAlt;
413	side = 1;
414	break;
415
416	case kKeyMeta_L:
417	id2 = kKeyModifierIDMeta;
418	side = 0;
419	break;
420
421	case kKeyMeta_R:
422	id2 = kKeyModifierIDMeta;
423	side = 1;
424	break;
425
426	case kKeySuper_L:
427	id2 = kKeyModifierIDSuper;
428	side = 0;
429	break;
430
431	case kKeySuper_R:
432	id2 = kKeyModifierIDSuper;
433	side = 1;
434	break;
435	}
436
437	if (id2 != kKeyModifierIDNull) {
438	return s_translationTable[m_modifierTranslationTable[id2]][side];
439	}
440	else {
441	return id;
442	}
443	}
444
445	KeyModifierMask
446	CServerProxy::translateModifierMask(KeyModifierMask mask) const
447	{
448	static const KeyModifierMask s_masks[kKeyModifierIDLast] = {
449	0x0000,
450	KeyModifierShift,
451	KeyModifierControl,
452	KeyModifierAlt,
453	KeyModifierMeta,
454	KeyModifierSuper
455	};
456
457	KeyModifierMask newMask = mask & ~(KeyModifierShift \|
458	KeyModifierControl \|
459	KeyModifierAlt \|
460	KeyModifierMeta \|
461	KeyModifierSuper);
462	if ((mask & KeyModifierShift) != 0) {
463	newMask \|= s_masks[m_modifierTranslationTable[kKeyModifierIDShift]];
464	}
465	if ((mask & KeyModifierControl) != 0) {
466	newMask \|= s_masks[m_modifierTranslationTable[kKeyModifierIDControl]];
467	}
468	if ((mask & KeyModifierAlt) != 0) {
469	newMask \|= s_masks[m_modifierTranslationTable[kKeyModifierIDAlt]];
470	}
471	if ((mask & KeyModifierMeta) != 0) {
472	newMask \|= s_masks[m_modifierTranslationTable[kKeyModifierIDMeta]];
473	}
474	if ((mask & KeyModifierSuper) != 0) {
475	newMask \|= s_masks[m_modifierTranslationTable[kKeyModifierIDSuper]];
476	}
477	return newMask;
478	}
479
480	void
481	CServerProxy::enter()
482	{
483	// parse
484	SInt16 x, y;
485	UInt16 mask;
486	UInt32 seqNum;
487	CProtocolUtil::readf(m_stream, kMsgCEnter + 4, &x, &y, &seqNum, &mask);
488	LOG((CLOG_DEBUG1 "recv enter, %d,%d %d %04x", x, y, seqNum, mask));
489
490	// discard old compressed mouse motion, if any
491	m_compressMouse = false;
492	m_compressMouseRelative = false;
493	m_dxMouse = 0;
494	m_dyMouse = 0;
495	m_seqNum = seqNum;
496
497	// forward
498	m_client->enter(x, y, seqNum, static_cast<KeyModifierMask>(mask), false);
499	}
500
501	void
502	CServerProxy::leave()
503	{
504	// parse
505	LOG((CLOG_DEBUG1 "recv leave"));
506
507	// send last mouse motion
508	flushCompressedMouse();
509
510	// forward
511	m_client->leave();
512	}
513
514	void
515	CServerProxy::setClipboard()
516	{
517	// parse
518	ClipboardID id;
519	UInt32 seqNum;
520	CString data;
521	CProtocolUtil::readf(m_stream, kMsgDClipboard + 4, &id, &seqNum, &data);
522	LOG((CLOG_DEBUG "recv clipboard %d size=%d", id, data.size()));
523
524	// validate
525	if (id >= kClipboardEnd) {
526	return;
527	}
528
529	// forward
530	CClipboard clipboard;
531	clipboard.unmarshall(data, 0);
532	m_client->setClipboard(id, &clipboard);
533	}
534
535	void
536	CServerProxy::grabClipboard()
537	{
538	// parse
539	ClipboardID id;
540	UInt32 seqNum;
541	CProtocolUtil::readf(m_stream, kMsgCClipboard + 4, &id, &seqNum);
542	LOG((CLOG_DEBUG "recv grab clipboard %d", id));
543
544	// validate
545	if (id >= kClipboardEnd) {
546	return;
547	}
548
549	// forward
550	m_client->grabClipboard(id);
551	}
552
553	void
554	CServerProxy::keyDown()
555	{
556	// get mouse up to date
557	flushCompressedMouse();
558
559	// parse
560	UInt16 id, mask, button;
561	CProtocolUtil::readf(m_stream, kMsgDKeyDown + 4, &id, &mask, &button);
562	LOG((CLOG_DEBUG1 "recv key down id=0x%08x, mask=0x%04x, button=0x%04x", id, mask, button));
563
564	// translate
565	KeyID id2 = translateKey(static_cast<KeyID>(id));
566	KeyModifierMask mask2 = translateModifierMask(
567	static_cast<KeyModifierMask>(mask));
568	if (id2 != static_cast<KeyID>(id) \|\|
569	mask2 != static_cast<KeyModifierMask>(mask))
570	LOG((CLOG_DEBUG1 "key down translated to id=0x%08x, mask=0x%04x", id2, mask2));
571
572	// forward
573	m_client->keyDown(id2, mask2, button);
574	}
575
576	void
577	CServerProxy::keyRepeat()
578	{
579	// get mouse up to date
580	flushCompressedMouse();
581
582	// parse
583	UInt16 id, mask, count, button;
584	CProtocolUtil::readf(m_stream, kMsgDKeyRepeat + 4,
585	&id, &mask, &count, &button);
586	LOG((CLOG_DEBUG1 "recv key repeat id=0x%08x, mask=0x%04x, count=%d, button=0x%04x", id, mask, count, button));
587
588	// translate
589	KeyID id2 = translateKey(static_cast<KeyID>(id));
590	KeyModifierMask mask2 = translateModifierMask(
591	static_cast<KeyModifierMask>(mask));
592	if (id2 != static_cast<KeyID>(id) \|\|
593	mask2 != static_cast<KeyModifierMask>(mask))
594	LOG((CLOG_DEBUG1 "key repeat translated to id=0x%08x, mask=0x%04x", id2, mask2));
595
596	// forward
597	m_client->keyRepeat(id2, mask2, count, button);
598	}
599
600	void
601	CServerProxy::keyUp()
602	{
603	// get mouse up to date
604	flushCompressedMouse();
605
606	// parse
607	UInt16 id, mask, button;
608	CProtocolUtil::readf(m_stream, kMsgDKeyUp + 4, &id, &mask, &button);
609	LOG((CLOG_DEBUG1 "recv key up id=0x%08x, mask=0x%04x, button=0x%04x", id, mask, button));
610
611	// translate
612	KeyID id2 = translateKey(static_cast<KeyID>(id));
613	KeyModifierMask mask2 = translateModifierMask(
614	static_cast<KeyModifierMask>(mask));
615	if (id2 != static_cast<KeyID>(id) \|\|
616	mask2 != static_cast<KeyModifierMask>(mask))
617	LOG((CLOG_DEBUG1 "key up translated to id=0x%08x, mask=0x%04x", id2, mask2));
618
619	// forward
620	m_client->keyUp(id2, mask2, button);
621	}
622
623	void
624	CServerProxy::mouseDown()
625	{
626	// get mouse up to date
627	flushCompressedMouse();
628
629	// parse
630	SInt8 id;
631	CProtocolUtil::readf(m_stream, kMsgDMouseDown + 4, &id);
632	LOG((CLOG_DEBUG1 "recv mouse down id=%d", id));
633
634	// forward
635	m_client->mouseDown(static_cast<ButtonID>(id));
636	}
637
638	void
639	CServerProxy::mouseUp()
640	{
641	// get mouse up to date
642	flushCompressedMouse();
643
644	// parse
645	SInt8 id;
646	CProtocolUtil::readf(m_stream, kMsgDMouseUp + 4, &id);
647	LOG((CLOG_DEBUG1 "recv mouse up id=%d", id));
648
649	// forward
650	m_client->mouseUp(static_cast<ButtonID>(id));
651	}
652
653	void
654	CServerProxy::mouseMove()
655	{
656	// parse
657	bool ignore;
658	SInt16 x, y;
659	CProtocolUtil::readf(m_stream, kMsgDMouseMove + 4, &x, &y);
660
661	// note if we should ignore the move
662	ignore = m_ignoreMouse;
663
664	// compress mouse motion events if more input follows
665	if (!ignore && !m_compressMouse && m_stream->isReady()) {
666	m_compressMouse = true;
667	}
668
669	// if compressing then ignore the motion but record it
670	if (m_compressMouse) {
671	m_compressMouseRelative = false;
672	ignore = true;
673	m_xMouse = x;
674	m_yMouse = y;
675	m_dxMouse = 0;
676	m_dyMouse = 0;
677	}
678	LOG((CLOG_DEBUG2 "recv mouse move %d,%d", x, y));
679
680	// forward
681	if (!ignore) {
682	m_client->mouseMove(x, y);
683	}
684	}
685
686	void
687	CServerProxy::mouseRelativeMove()
688	{
689	// parse
690	bool ignore;
691	SInt16 dx, dy;
692	CProtocolUtil::readf(m_stream, kMsgDMouseRelMove + 4, &dx, &dy);
693
694	// note if we should ignore the move
695	ignore = m_ignoreMouse;
696
697	// compress mouse motion events if more input follows
698	if (!ignore && !m_compressMouseRelative && m_stream->isReady()) {
699	m_compressMouseRelative = true;
700	}
701
702	// if compressing then ignore the motion but record it
703	if (m_compressMouseRelative) {
704	ignore = true;
705	m_dxMouse += dx;
706	m_dyMouse += dy;
707	}
708	LOG((CLOG_DEBUG2 "recv mouse relative move %d,%d", dx, dy));
709
710	// forward
711	if (!ignore) {
712	m_client->mouseRelativeMove(dx, dy);
713	}
714	}
715
716	void
717	CServerProxy::mouseWheel()
718	{
719	// get mouse up to date
720	flushCompressedMouse();
721
722	// parse
723	SInt16 xDelta, yDelta;
724	CProtocolUtil::readf(m_stream, kMsgDMouseWheel + 4, &xDelta, &yDelta);
725	LOG((CLOG_DEBUG2 "recv mouse wheel %+d,%+d", xDelta, yDelta));
726
727	// forward
728	m_client->mouseWheel(xDelta, yDelta);
729	}
730
731	void
732	CServerProxy::screensaver()
733	{
734	// parse
735	SInt8 on;
736	CProtocolUtil::readf(m_stream, kMsgCScreenSaver + 4, &on);
737	LOG((CLOG_DEBUG1 "recv screen saver on=%d", on));
738
739	// forward
740	m_client->screensaver(on != 0);
741	}
742
743	void
744	CServerProxy::resetOptions()
745	{
746	// parse
747	LOG((CLOG_DEBUG1 "recv reset options"));
748
749	// forward
750	m_client->resetOptions();
751
752	// reset keep alive
753	setKeepAliveRate(kKeepAliveRate);
754
755	// reset modifier translation table
756	for (KeyModifierID id = 0; id < kKeyModifierIDLast; ++id) {
757	m_modifierTranslationTable[id] = id;
758	}
759	}
760
761	void
762	CServerProxy::setOptions()
763	{
764	// parse
765	COptionsList options;
766	CProtocolUtil::readf(m_stream, kMsgDSetOptions + 4, &options);
767	LOG((CLOG_DEBUG1 "recv set options size=%d", options.size()));
768
769	// forward
770	m_client->setOptions(options);
771
772	// update modifier table
773	for (UInt32 i = 0, n = options.size(); i < n; i += 2) {
774	KeyModifierID id = kKeyModifierIDNull;
775	if (options[i] == kOptionModifierMapForShift) {
776	id = kKeyModifierIDShift;
777	}
778	else if (options[i] == kOptionModifierMapForControl) {
779	id = kKeyModifierIDControl;
780	}
781	else if (options[i] == kOptionModifierMapForAlt) {
782	id = kKeyModifierIDAlt;
783	}
784	else if (options[i] == kOptionModifierMapForMeta) {
785	id = kKeyModifierIDMeta;
786	}
787	else if (options[i] == kOptionModifierMapForSuper) {
788	id = kKeyModifierIDSuper;
789	}
790	else if (options[i] == kOptionHeartbeat) {
791	// update keep alive
792	setKeepAliveRate(1.0e-3 * static_cast<double>(options[i + 1]));
793	}
794	if (id != kKeyModifierIDNull) {
795	m_modifierTranslationTable[id] =
796	static_cast<KeyModifierID>(options[i + 1]);
797	LOG((CLOG_DEBUG1 "modifier %d mapped to %d", id, m_modifierTranslationTable[id]));
798	}
799	}
800	}
801
802	void
803	CServerProxy::queryInfo()
804	{
805	CClientInfo info;
806	m_client->getShape(info.m_x, info.m_y, info.m_w, info.m_h);
807	m_client->getCursorPos(info.m_mx, info.m_my);
808	sendInfo(info);
809	}
810
811	void
812	CServerProxy::infoAcknowledgment()
813	{
814	LOG((CLOG_DEBUG1 "recv info acknowledgment"));
815	m_ignoreMouse = false;
816	}

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source: vendor/synergy/current/lib/client/CServerProxy.cpp

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