summaryrefslogtreecommitdiff
path: root/indra/llmessage/lliosocket.cpp
blob: b7460df508caec0cdabfd22556c76c1786e35d39 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
/** 
 * @file lliosocket.cpp
 * @author Phoenix
 * @date 2005-07-31
 * @brief Sockets declarations for use with the io pipes
 *
 * $LicenseInfo:firstyear=2005&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "linden_common.h"
#include "lliosocket.h"

#include "llapr.h"

#include "llbuffer.h"
#include "llfasttimer.h"
#include "llhost.h"
#include "llpumpio.h"

//
// constants
//

const std::string CONTEXT_REMOTE_HOST("remote-host");
const std::string CONTEXT_REMOTE_PORT("remote-port");

static const S32 LL_DEFAULT_LISTEN_BACKLOG = 10;
static const S32 LL_SEND_BUFFER_SIZE = 40000;
static const S32 LL_RECV_BUFFER_SIZE = 40000;
//static const U16 LL_PORT_DISCOVERY_RANGE_MIN = 13000;
//static const U16 LL_PORT_DISCOVERY_RANGE_MAX = 13050;

//
// local methods 
//

bool is_addr_in_use(apr_status_t status)
{
#if LL_WINDOWS
	return (WSAEADDRINUSE == APR_TO_OS_ERROR(status));
#else
	return (EADDRINUSE == APR_TO_OS_ERROR(status));
#endif
}

#if LL_LINUX
// Define this to see the actual file descriptors being tossed around.
//#define LL_DEBUG_SOCKET_FILE_DESCRIPTORS 1
#if LL_DEBUG_SOCKET_FILE_DESCRIPTORS
#include "apr_portable.h"
#endif
#endif


// Quick function 
void ll_debug_socket(const char* msg, apr_socket_t* apr_sock)
{
#if LL_DEBUG_SOCKET_FILE_DESCRIPTORS
	if(!apr_sock)
	{
		LL_DEBUGS() << "Socket -- " << (msg?msg:"") << ": no socket." << LL_ENDL;
		return;
	}
	// *TODO: Why doesn't this work?
	//apr_os_sock_t os_sock;
	int os_sock;
	if(APR_SUCCESS == apr_os_sock_get(&os_sock, apr_sock))
	{
		LL_DEBUGS() << "Socket -- " << (msg?msg:"") << " on fd " << os_sock
			<< " at " << apr_sock << LL_ENDL;
	}
	else
	{
		LL_DEBUGS() << "Socket -- " << (msg?msg:"") << " no fd "
			<< " at " << apr_sock << LL_ENDL;
	}
#endif
}

///
/// LLSocket
///

// static
LLSocket::ptr_t LLSocket::create(apr_pool_t* pool, EType type, U16 port)
{
	LLSocket::ptr_t rv;
	apr_socket_t* socket = NULL;
	apr_pool_t* new_pool = NULL;
	apr_status_t status = APR_EGENERAL;

	// create a pool for the socket
	status = apr_pool_create(&new_pool, pool);
	if(ll_apr_warn_status(status))
	{
		if(new_pool) apr_pool_destroy(new_pool);
		return rv;
	}

	if(STREAM_TCP == type)
	{
		status = apr_socket_create(
			&socket,
			APR_INET,
			SOCK_STREAM,
			APR_PROTO_TCP,
			new_pool);
	}
	else if(DATAGRAM_UDP == type)
	{
		status = apr_socket_create(
			&socket,
			APR_INET,
			SOCK_DGRAM,
			APR_PROTO_UDP,
			new_pool);
	}
	else
	{
		if(new_pool) apr_pool_destroy(new_pool);
		return rv;
	}
	if(ll_apr_warn_status(status))
	{
		if(new_pool) apr_pool_destroy(new_pool);
		return rv;
	}
	rv = ptr_t(new LLSocket(socket, new_pool));
	if(port > 0)
	{
		apr_sockaddr_t* sa = NULL;
		status = apr_sockaddr_info_get(
			&sa,
			APR_ANYADDR,
			APR_UNSPEC,
			port,
			0,
			new_pool);
		if(ll_apr_warn_status(status))
		{
			rv.reset();
			return rv;
		}
		// This allows us to reuse the address on quick down/up. This
		// is unlikely to create problems.
		ll_apr_warn_status(apr_socket_opt_set(socket, APR_SO_REUSEADDR, 1));
		status = apr_socket_bind(socket, sa);
		if(ll_apr_warn_status(status))
		{
			rv.reset();
			return rv;
		}
		LL_DEBUGS() << "Bound " << ((DATAGRAM_UDP == type) ? "udp" : "tcp")
				 << " socket to port: " << sa->port << LL_ENDL;
		if(STREAM_TCP == type)
		{
			// If it's a stream based socket, we need to tell the OS
			// to keep a queue of incoming connections for ACCEPT.
			LL_DEBUGS() << "Setting listen state for socket." << LL_ENDL;
			status = apr_socket_listen(
				socket,
				LL_DEFAULT_LISTEN_BACKLOG);
			if(ll_apr_warn_status(status))
			{
				rv.reset();
				return rv;
			}
		}
	}
	else
	{
		// we need to indicate that we have an ephemeral port if the
		// previous calls were successful. It will
		port = PORT_EPHEMERAL;
	}
	rv->mPort = port;
	rv->setNonBlocking();
	return rv;
}

// static
LLSocket::ptr_t LLSocket::create(apr_socket_t* socket, apr_pool_t* pool)
{
	LLSocket::ptr_t rv;
	if(!socket)
	{
		return rv;
	}
	rv = ptr_t(new LLSocket(socket, pool));
	rv->mPort = PORT_EPHEMERAL;
	rv->setNonBlocking();
	return rv;
}


bool LLSocket::blockingConnect(const LLHost& host)
{
	if(!mSocket) return false;
	apr_sockaddr_t* sa = NULL;
	std::string ip_address;
	ip_address = host.getIPString();
	if(ll_apr_warn_status(apr_sockaddr_info_get(
		&sa,
		ip_address.c_str(),
		APR_UNSPEC,
		host.getPort(),
		0,
		mPool)))
	{
		return false;
	}
	setBlocking(1000);
	ll_debug_socket("Blocking connect", mSocket);
	if(ll_apr_warn_status(apr_socket_connect(mSocket, sa))) return false;
	setNonBlocking();
	return true;
}

LLSocket::LLSocket(apr_socket_t* socket, apr_pool_t* pool) :
	mSocket(socket),
	mPool(pool),
	mPort(PORT_INVALID)
{
	ll_debug_socket("Constructing wholely formed socket", mSocket);
}

LLSocket::~LLSocket()
{
	// *FIX: clean up memory we are holding.
	if(mSocket)
	{
		ll_debug_socket("Destroying socket", mSocket);
		apr_socket_close(mSocket);
		mSocket = NULL;
	}
	if(mPool)
	{
		apr_pool_destroy(mPool);
	}
}

// See http://dev.ariel-networks.com/apr/apr-tutorial/html/apr-tutorial-13.html#ss13.4
// for an explanation of how to get non-blocking sockets and timeouts with
// consistent behavior across platforms.

void LLSocket::setBlocking(S32 timeout)
{
	// set up the socket options
	ll_apr_warn_status(apr_socket_timeout_set(mSocket, timeout));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_NONBLOCK, 0));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_SNDBUF, LL_SEND_BUFFER_SIZE));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_RCVBUF, LL_RECV_BUFFER_SIZE));

}

void LLSocket::setNonBlocking()
{
	// set up the socket options
	ll_apr_warn_status(apr_socket_timeout_set(mSocket, 0));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_NONBLOCK, 1));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_SNDBUF, LL_SEND_BUFFER_SIZE));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_RCVBUF, LL_RECV_BUFFER_SIZE));

}

///
/// LLIOSocketReader
///

LLIOSocketReader::LLIOSocketReader(LLSocket::ptr_t socket) :
	mSource(socket),
	mInitialized(false)
{
}

LLIOSocketReader::~LLIOSocketReader()
{
	//LL_DEBUGS() << "Destroying LLIOSocketReader" << LL_ENDL;
}

static LLTrace::BlockTimerStatHandle FTM_PROCESS_SOCKET_READER("Socket Reader");

// virtual
LLIOPipe::EStatus LLIOSocketReader::process_impl(
	const LLChannelDescriptors& channels,
	buffer_ptr_t& buffer,
	bool& eos,
	LLSD& context,
	LLPumpIO* pump)
{
	LL_RECORD_BLOCK_TIME(FTM_PROCESS_SOCKET_READER);
	PUMP_DEBUG;
	if(!mSource) return STATUS_PRECONDITION_NOT_MET;
	if(!mInitialized)
	{
		PUMP_DEBUG;
		// Since the read will not block, it's ok to initialize and
		// attempt to read off the descriptor immediately.
		mInitialized = true;
		if(pump)
		{
			PUMP_DEBUG;
			LL_DEBUGS() << "Initializing poll descriptor for LLIOSocketReader."
					 << LL_ENDL;
			apr_pollfd_t poll_fd;
			poll_fd.p = NULL;
			poll_fd.desc_type = APR_POLL_SOCKET;
			poll_fd.reqevents = APR_POLLIN;
			poll_fd.rtnevents = 0x0;
			poll_fd.desc.s = mSource->getSocket();
			poll_fd.client_data = NULL;
			pump->setConditional(this, &poll_fd);
		}
	}
	//if(!buffer)
	//{
	//	buffer = new LLBufferArray;
	//}
	PUMP_DEBUG;
	const apr_size_t READ_BUFFER_SIZE = 1024;
	char read_buf[READ_BUFFER_SIZE]; /*Flawfinder: ignore*/
	apr_size_t len;
	apr_status_t status = APR_SUCCESS;
	do
	{
		PUMP_DEBUG;
		len = READ_BUFFER_SIZE;
		status = apr_socket_recv(mSource->getSocket(), read_buf, &len);
		buffer->append(channels.out(), (U8*)read_buf, len);
	} while((APR_SUCCESS == status) && (READ_BUFFER_SIZE == len));
	LL_DEBUGS() << "socket read status: " << status << LL_ENDL;
	LLIOPipe::EStatus rv = STATUS_OK;

	PUMP_DEBUG;
	// *FIX: Also need to check for broken pipe
	if(APR_STATUS_IS_EOF(status))
	{
		// *FIX: Should we shut down the socket read?
		if(pump)
		{
			pump->setConditional(this, NULL);
		}
		rv = STATUS_DONE;
		eos = true;
	}
	else if(APR_STATUS_IS_EAGAIN(status))
	{
/*Commented out by Aura 9-9-8 for DEV-19961.
		// everything is fine, but we can terminate this process pump.
	
		rv = STATUS_BREAK;
*/
	}
	else
	{
		if(ll_apr_warn_status(status))
		{
			rv = STATUS_ERROR;
		}
	}
	PUMP_DEBUG;
	return rv;
}

///
/// LLIOSocketWriter
///

LLIOSocketWriter::LLIOSocketWriter(LLSocket::ptr_t socket) :
	mDestination(socket),
	mLastWritten(NULL),
	mInitialized(false)
{
}

LLIOSocketWriter::~LLIOSocketWriter()
{
	//LL_DEBUGS() << "Destroying LLIOSocketWriter" << LL_ENDL;
}

static LLTrace::BlockTimerStatHandle FTM_PROCESS_SOCKET_WRITER("Socket Writer");
// virtual
LLIOPipe::EStatus LLIOSocketWriter::process_impl(
	const LLChannelDescriptors& channels,
	buffer_ptr_t& buffer,
	bool& eos,
	LLSD& context,
	LLPumpIO* pump)
{
	LL_RECORD_BLOCK_TIME(FTM_PROCESS_SOCKET_WRITER);
	PUMP_DEBUG;
	if(!mDestination) return STATUS_PRECONDITION_NOT_MET;
	if(!mInitialized)
	{
		PUMP_DEBUG;
		// Since the write will not block, it's ok to initialize and
		// attempt to write immediately.
		mInitialized = true;
		if(pump)
		{
			PUMP_DEBUG;
			LL_DEBUGS() << "Initializing poll descriptor for LLIOSocketWriter."
					 << LL_ENDL;
			apr_pollfd_t poll_fd;
			poll_fd.p = NULL;
			poll_fd.desc_type = APR_POLL_SOCKET;
			poll_fd.reqevents = APR_POLLOUT;
			poll_fd.rtnevents = 0x0;
			poll_fd.desc.s = mDestination->getSocket();
			poll_fd.client_data = NULL;
			pump->setConditional(this, &poll_fd);
		}
	}

	PUMP_DEBUG;
	// *FIX: Some sort of writev implementation would be much more
	// efficient - not only because writev() is better, but also
	// because we won't have to do as much work to find the start
	// address.
	buffer->lock();
	LLBufferArray::segment_iterator_t it;
	LLBufferArray::segment_iterator_t end = buffer->endSegment();
	LLSegment segment;
	it = buffer->constructSegmentAfter(mLastWritten, segment);
	/*
	if(NULL == mLastWritten)
	{
		it = buffer->beginSegment();
		segment = (*it);
	}
	else
	{
		it = buffer->getSegment(mLastWritten);
		segment = (*it);
		S32 size = segment.size();
		U8* data = segment.data();
		if((data + size) == mLastWritten)
		{
			++it;
			segment = (*it);
		}
		else
		{
			// *FIX: check the math on this one
			segment = LLSegment(
				(*it).getChannelMask(),
				mLastWritten + 1,
				size - (mLastWritten - data));
		}
	}
	*/

	PUMP_DEBUG;
	apr_size_t len;
	bool done = false;
	apr_status_t status = APR_SUCCESS;
	while(it != end)
	{

		PUMP_DEBUG;
		if((*it).isOnChannel(channels.in()))
		{
			PUMP_DEBUG;
			len = (apr_size_t)segment.size();
			status = apr_socket_send(
				mDestination->getSocket(),
				(const char*)segment.data(),
				&len);
			// We sometimes get a 'non-blocking socket operation could not be 
			// completed immediately' error from apr_socket_send.  In this
			// case we break and the data will be sent the next time the chain
			// is pumped.
			if(APR_STATUS_IS_EAGAIN(status))
			{
				ll_apr_warn_status(status);
				break;
			}

			mLastWritten = segment.data() + len - 1;

			PUMP_DEBUG;
			if((S32)len < segment.size())
			{
				break;
			}
			
		}

		++it;
		if(it != end)
		{
			segment = (*it);
		}
		else
		{
			done = true;
		}

	}
	buffer->unlock();

	PUMP_DEBUG;
	if(done && eos)
	{
		return STATUS_DONE;
	}
	return STATUS_OK;
}


///
/// LLIOServerSocket
///

LLIOServerSocket::LLIOServerSocket(
	apr_pool_t* pool,
	LLIOServerSocket::socket_t listener,
	factory_t factory) :
	mPool(pool),
	mListenSocket(listener),
	mReactor(factory),
	mInitialized(false),
	mResponseTimeout(DEFAULT_CHAIN_EXPIRY_SECS)
{
}

LLIOServerSocket::~LLIOServerSocket()
{
	//LL_DEBUGS() << "Destroying LLIOServerSocket" << LL_ENDL;
}

void LLIOServerSocket::setResponseTimeout(F32 timeout_secs)
{
	mResponseTimeout = timeout_secs;
}

static LLTrace::BlockTimerStatHandle FTM_PROCESS_SERVER_SOCKET("Server Socket");
// virtual
LLIOPipe::EStatus LLIOServerSocket::process_impl(
	const LLChannelDescriptors& channels,
	buffer_ptr_t& buffer,
	bool& eos,
	LLSD& context,
	LLPumpIO* pump)
{
	LL_RECORD_BLOCK_TIME(FTM_PROCESS_SERVER_SOCKET);
	PUMP_DEBUG;
	if(!pump)
	{
		LL_WARNS() << "Need a pump for server socket." << LL_ENDL;
		return STATUS_ERROR;
	}
	if(!mInitialized)
	{
		PUMP_DEBUG;
		// This segment sets up the pump so that we do not call
		// process again until we have an incoming read, aka connect()
		// from a remote host.
		LL_DEBUGS() << "Initializing poll descriptor for LLIOServerSocket."
				 << LL_ENDL;
		apr_pollfd_t poll_fd;
		poll_fd.p = NULL;
		poll_fd.desc_type = APR_POLL_SOCKET;
		poll_fd.reqevents = APR_POLLIN;
		poll_fd.rtnevents = 0x0;
		poll_fd.desc.s = mListenSocket->getSocket();
		poll_fd.client_data = NULL;
		pump->setConditional(this, &poll_fd);
		mInitialized = true;
		return STATUS_OK;
	}

	// we are initialized, and told to process, so we must have a
	// socket waiting for a connection.
	LL_DEBUGS() << "accepting socket" << LL_ENDL;

	PUMP_DEBUG;
	apr_pool_t* new_pool = NULL;
	apr_status_t status = apr_pool_create(&new_pool, mPool);
	if(ll_apr_warn_status(status))
	{
		if(new_pool)
		{	
			apr_pool_destroy(new_pool);
		}
		return STATUS_ERROR;
	}

	apr_socket_t* socket = NULL;
	status = apr_socket_accept(
		&socket,
		mListenSocket->getSocket(),
		new_pool);
	LLSocket::ptr_t llsocket(LLSocket::create(socket, new_pool));
	//EStatus rv = STATUS_ERROR;
	if(llsocket)
	{
		PUMP_DEBUG;

		apr_sockaddr_t* remote_addr;
		apr_socket_addr_get(&remote_addr, APR_REMOTE, socket);
		
		char* remote_host_string;
		apr_sockaddr_ip_get(&remote_host_string, remote_addr);

		LLSD context;
		context[CONTEXT_REMOTE_HOST] = remote_host_string;
		context[CONTEXT_REMOTE_PORT] = remote_addr->port;

		LLPumpIO::chain_t chain;
		chain.push_back(LLIOPipe::ptr_t(new LLIOSocketReader(llsocket)));
		if(mReactor->build(chain, context))
		{
			chain.push_back(LLIOPipe::ptr_t(new LLIOSocketWriter(llsocket)));
			pump->addChain(chain, mResponseTimeout);
			status = STATUS_OK;
		}
		else
		{
			LL_WARNS() << "Unable to build reactor to socket." << LL_ENDL;
		}
	}
	else
	{
		LL_WARNS() << "Unable to create linden socket." << LL_ENDL;
	}

	PUMP_DEBUG;
	// This needs to always return success, lest it get removed from
	// the pump.
	return STATUS_OK;
}


#if 0
LLIODataSocket::LLIODataSocket(
	U16 suggested_port,
	U16 start_discovery_port,
	apr_pool_t* pool) : 
	mSocket(NULL)
{
	if(!pool || (PORT_INVALID == suggested_port)) return;
	if(ll_apr_warn_status(apr_socket_create(&mSocket, APR_INET, SOCK_DGRAM, APR_PROTO_UDP, pool))) return;
	apr_sockaddr_t* sa = NULL;
	if(ll_apr_warn_status(apr_sockaddr_info_get(&sa, APR_ANYADDR, APR_UNSPEC, suggested_port, 0, pool))) return;
	apr_status_t status = apr_socket_bind(mSocket, sa);
	if((start_discovery_port > 0) && is_addr_in_use(status))
	{
		const U16 MAX_ATTEMPT_PORTS = 50;
		for(U16 attempt_port = start_discovery_port;
			attempt_port < (start_discovery_port + MAX_ATTEMPT_PORTS);
			++attempt_port)
		{
			sa->port = attempt_port;
			sa->sa.sin.sin_port = htons(attempt_port);
			status = apr_socket_bind(mSocket, sa);
			if(APR_SUCCESS == status) break;
			if(is_addr_in_use(status)) continue;
			(void)ll_apr_warn_status(status);
		}
	}
	if(ll_apr_warn_status(status)) return;
	if(sa->port)
	{
		LL_DEBUGS() << "Bound datagram socket to port: " << sa->port << LL_ENDL;
		mPort = sa->port;
	}
	else
	{
		mPort = LLIOSocket::PORT_EPHEMERAL;
	}

	// set up the socket options options
	ll_apr_warn_status(apr_socket_timeout_set(mSocket, 0));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_SNDBUF, LL_SEND_BUFFER_SIZE));
	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_RCVBUF, LL_RECV_BUFFER_SIZE));
}

LLIODataSocket::~LLIODataSocket()
{
}


#endif