ObjFW  Check-in [0d6380c626]

Overview
Comment:OFTCPSocket: Move out async connecting
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 0d6380c6266d7558a962876791b30d6492124d303c9d32f68b5fc0fda2fa1ffb
User & Date: js on 2020-05-05 00:36:41
Other Links: manifest | tags
Context
2020-05-05
01:14
Add OFSCTPSocket check-in: 4592b16fab user: js tags: trunk
00:36
OFTCPSocket: Move out async connecting check-in: 0d6380c626 user: js tags: trunk
00:06
OFTCPSocket: Move out SOCKS5 handling check-in: b5cd23da2b user: js tags: trunk
Changes

Modified src/Makefile from [45e34e66a3] to [eabf64dd6c].

214
215
216
217
218
219
220

221
222
223
224
225
226
227
	OFUTF8String.m			\
	${LIBBASES_M}
SRCS_FILES += OFFileURLHandler.m	\
	      OFINIFileSettings.m
SRCS_SOCKETS += OFDNSResolverSettings.m			\
		OFHTTPURLHandler.m			\
		OFHostAddressResolver.m			\

		OFKernelEventObserver.m			\
		${OF_EPOLL_KERNEL_EVENT_OBSERVER_M}	\
		${OF_KQUEUE_KERNEL_EVENT_OBSERVER_M}	\
		${OF_POLL_KERNEL_EVENT_OBSERVER_M}	\
		${OF_SELECT_KERNEL_EVENT_OBSERVER_M}	\
		OFTCPSocketSOCKS5Connector.m








>







214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
	OFUTF8String.m			\
	${LIBBASES_M}
SRCS_FILES += OFFileURLHandler.m	\
	      OFINIFileSettings.m
SRCS_SOCKETS += OFDNSResolverSettings.m			\
		OFHTTPURLHandler.m			\
		OFHostAddressResolver.m			\
		OFIPSocketAsyncConnector.m		\
		OFKernelEventObserver.m			\
		${OF_EPOLL_KERNEL_EVENT_OBSERVER_M}	\
		${OF_KQUEUE_KERNEL_EVENT_OBSERVER_M}	\
		${OF_POLL_KERNEL_EVENT_OBSERVER_M}	\
		${OF_SELECT_KERNEL_EVENT_OBSERVER_M}	\
		OFTCPSocketSOCKS5Connector.m

Added src/OFIPSocketAsyncConnector.h version [7e8d3c9896].















































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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
/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFDNSResolver.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"

OF_ASSUME_NONNULL_BEGIN

@protocol OFIPSocketAsyncConnecting
- (bool)of_createSocketForAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (void)of_closeSocket;
@end

@interface OFIPSocketAsyncConnector: OFObject <OFRunLoopConnectDelegate,
    OFDNSResolverHostDelegate>
{
	id _socket;
	OFString *_host;
	uint16_t _port;
	id _Nullable _delegate;
	id _Nullable _block;
	id _Nullable _exception;
	OFData *_Nullable _socketAddresses;
	size_t _socketAddressesIndex;
}

- (instancetype)initWithSocket: (OFTCPSocket *)sock
			  host: (OFString *)host
			  port: (uint16_t)port
		      delegate: (nullable id)delegate
			 block: (nullable id)block;
- (void)didConnect;
- (void)tryNextAddressWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
@end

OF_ASSUME_NONNULL_END

Added src/OFIPSocketAsyncConnector.m version [92d6cb022d].































































































































































































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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
/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>

#import "OFIPSocketAsyncConnector.h"
#import "OFData.h"
#import "OFTCPSocket.h"
#import "OFThread.h"
#import "OFTimer.h"

#import "OFConnectionFailedException.h"
#import "OFInvalidFormatException.h"

@implementation OFIPSocketAsyncConnector
- (instancetype)initWithSocket: (id)sock
			  host: (OFString *)host
			  port: (uint16_t)port
		      delegate: (id)delegate
			 block: (id)block
{
	self = [super init];

	@try {
		_socket = [sock retain];
		_host = [host copy];
		_port = port;
		_delegate = [delegate retain];
		_block = [block copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_socket release];
	[_host release];
	[_delegate release];
	[_block release];
	[_exception release];
	[_socketAddresses release];

	[super dealloc];
}

- (void)didConnect
{
	if (_exception == nil)
		[_socket setBlocking: true];

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL) {
		if ([_socket isKindOfClass: [OFTCPSocket class]])
			((of_tcp_socket_async_connect_block_t)_block)(
			    _exception);
		else
			OF_ENSURE(0);
	} else {
#endif
		if ([_delegate respondsToSelector:
		    @selector(socket:didConnectToHost:port:exception:)])
			[_delegate    socket: _socket
			    didConnectToHost: _host
					port: _port
				   exception: _exception];
#ifdef OF_HAVE_BLOCKS
	}
#endif
}

- (void)of_socketDidConnect: (id)sock
		  exception: (id)exception
{
	if (exception != nil) {
		/*
		 * self might be retained only by the pending async requests,
		 * which we're about to cancel.
		 */
		[[self retain] autorelease];

		[sock cancelAsyncRequests];
		[sock of_closeSocket];

		if (_socketAddressesIndex >= _socketAddresses.count) {
			_exception = [exception retain];
			[self didConnect];
		} else {
			/*
			 * We must not call it before returning, as otherwise
			 * the new socket would be removed from the queue upon
			 * return.
			 */
			OFRunLoop *runLoop = [OFRunLoop currentRunLoop];
			SEL selector =
			    @selector(tryNextAddressWithRunLoopMode:);
			OFTimer *timer = [OFTimer
			    timerWithTimeInterval: 0
					   target: self
					 selector: selector
					   object: runLoop.currentMode
					  repeats: false];
			[runLoop addTimer: timer
				  forMode: runLoop.currentMode];
		}

		return;
	}

	[self didConnect];
}

- (id)of_connectionFailedExceptionForErrNo: (int)errNo
{
	return [OFConnectionFailedException exceptionWithHost: _host
							 port: _port
						       socket: _socket
							errNo: errNo];
}

- (void)tryNextAddressWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	of_socket_address_t address = *(const of_socket_address_t *)
	    [_socketAddresses itemAtIndex: _socketAddressesIndex++];
	int errNo;

	of_socket_address_set_port(&address, _port);

	if (![_socket of_createSocketForAddress: &address
					  errNo: &errNo]) {
		if (_socketAddressesIndex >= _socketAddresses.count) {
			_exception = [[OFConnectionFailedException alloc]
			    initWithHost: _host
				    port: _port
				  socket: _socket
				   errNo: errNo];
			[self didConnect];
			return;
		}

		[self tryNextAddressWithRunLoopMode: runLoopMode];
		return;
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	/*
	 * On Wii and 3DS, connect() fails if non-blocking is enabled.
	 *
	 * Additionally, on Wii, there is no getsockopt(), so it would not be
	 * possible to get the error (or success) after connecting anyway.
	 *
	 * So for now, connecting is blocking on Wii and 3DS.
	 *
	 * FIXME: Use a different thread as a work around.
	 */
	[_socket setBlocking: true];
#else
	[_socket setBlocking: false];
#endif

	if (![_socket of_connectSocketToAddress: &address
					  errNo: &errNo]) {
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForSocket: _socket
							  mode: runLoopMode
						      delegate: self];
			return;
		} else {
#endif
			[_socket of_closeSocket];

			if (_socketAddressesIndex >= _socketAddresses.count) {
				_exception = [[OFConnectionFailedException
				    alloc] initWithHost: _host
						   port: _port
						 socket: _socket
						  errNo: errNo];
				[self didConnect];
				return;
			}

			[self tryNextAddressWithRunLoopMode: runLoopMode];
			return;
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		}
#endif
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	[_socket setBlocking: false];
#endif

	[self didConnect];
}

- (void)resolver: (OFDNSResolver *)resolver
  didResolveHost: (OFString *)host
       addresses: (OFData *)addresses
       exception: (id)exception
{
	if (exception != nil) {
		_exception = [exception retain];
		[self didConnect];
		return;
	}

	_socketAddresses = [addresses copy];

	[self tryNextAddressWithRunLoopMode:
	    [OFRunLoop currentRunLoop].currentMode];
}

- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	@try {
		of_socket_address_t address =
		    of_socket_address_parse_ip(_host, _port);

		_socketAddresses = [[OFData alloc]
		    initWithItems: &address
			 itemSize: sizeof(address)
			    count: 1];

		[self tryNextAddressWithRunLoopMode: runLoopMode];
		return;
	} @catch (OFInvalidFormatException *e) {
	}

	[[OFThread DNSResolver]
	    asyncResolveAddressesForHost: _host
			   addressFamily: OF_SOCKET_ADDRESS_FAMILY_ANY
			     runLoopMode: runLoopMode
				delegate: self];
}
@end

Modified src/OFTCPSocket.m from [4f94254b4b] to [9be04ec18b].

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
...
487
488
489
490
491
492
493



494
495
496
497
498
499
500
...
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
...
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
# include <fcntl.h>
#endif

#import "OFTCPSocket.h"
#import "OFDNSResolver.h"
#import "OFData.h"
#import "OFDate.h"

#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#import "OFString.h"
#import "OFTCPSocketSOCKS5Connector.h"
#import "OFThread.h"
#import "OFTimer.h"

#import "OFAlreadyConnectedException.h"
#import "OFBindFailedException.h"
#import "OFConnectionFailedException.h"
#import "OFGetOptionFailedException.h"
#import "OFInvalidFormatException.h"
#import "OFNotImplementedException.h"
#import "OFNotOpenException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFSetOptionFailedException.h"

#import "socket.h"
#import "socket_helpers.h"

static const of_run_loop_mode_t connectRunLoopMode =
    @"of_tcp_socket_connect_mode";

Class of_tls_socket_class = Nil;

static OFString *defaultSOCKS5Host = nil;
static uint16_t defaultSOCKS5Port = 1080;

@interface OFTCPSocket ()
- (bool)of_createSocketForAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (void)of_closeSocket;
@end

@interface OFTCPSocketAsyncConnectDelegate: OFObject <OFTCPSocketDelegate,
    OFRunLoopConnectDelegate, OFDNSResolverHostDelegate>
{
	OFTCPSocket *_socket;
	OFString *_host;
	uint16_t _port;
	id <OFTCPSocketDelegate> _delegate;
#ifdef OF_HAVE_BLOCKS
	of_tcp_socket_async_connect_block_t _block;
#endif
	id _exception;
	OFData *_socketAddresses;
	size_t _socketAddressesIndex;
}

- (instancetype)initWithSocket: (OFTCPSocket *)sock
			  host: (OFString *)host
			  port: (uint16_t)port
		      delegate: (id <OFTCPSocketDelegate>)delegate
#ifdef OF_HAVE_BLOCKS
			 block: (of_tcp_socket_async_connect_block_t)block
#endif
;
- (void)didConnect;
- (void)tryNextAddressWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
@end

@interface OFTCPSocketConnectDelegate: OFObject <OFTCPSocketDelegate>
{
@public
	bool _done;
	id _exception;
}
@end

@implementation OFTCPSocketAsyncConnectDelegate
- (instancetype)initWithSocket: (OFTCPSocket *)sock
			  host: (OFString *)host
			  port: (uint16_t)port
		      delegate: (id <OFTCPSocketDelegate>)delegate
#ifdef OF_HAVE_BLOCKS
			 block: (of_tcp_socket_async_connect_block_t)block
#endif
{
	self = [super init];

	@try {
		_socket = [sock retain];
		_host = [host copy];
		_port = port;
		_delegate = [delegate retain];
#ifdef OF_HAVE_BLOCKS
		_block = [block copy];
#endif
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_socket release];
	[_host release];
	[_delegate release];
#ifdef OF_HAVE_BLOCKS
	[_block release];
#endif
	[_exception release];
	[_socketAddresses release];

	[super dealloc];
}

- (void)didConnect
{
	if (_exception == nil)
		_socket.blocking = true;

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block(_exception);
	else {
#endif
		if ([_delegate respondsToSelector:
		    @selector(socket:didConnectToHost:port:exception:)])
			[_delegate    socket: _socket
			    didConnectToHost: _host
					port: _port
				   exception: _exception];
#ifdef OF_HAVE_BLOCKS
	}
#endif
}

- (void)of_socketDidConnect: (id)sock
		  exception: (id)exception
{
	if (exception != nil) {
		/*
		 * self might be retained only by the pending async requests,
		 * which we're about to cancel.
		 */
		[[self retain] autorelease];

		[sock cancelAsyncRequests];
		[sock of_closeSocket];

		if (_socketAddressesIndex >= _socketAddresses.count) {
			_exception = [exception retain];
			[self didConnect];
		} else {
			/*
			 * We must not call it before returning, as otherwise
			 * the new socket would be removed from the queue upon
			 * return.
			 */
			OFRunLoop *runLoop = [OFRunLoop currentRunLoop];
			SEL selector =
			    @selector(tryNextAddressWithRunLoopMode:);
			OFTimer *timer = [OFTimer
			    timerWithTimeInterval: 0
					   target: self
					 selector: selector
					   object: runLoop.currentMode
					  repeats: false];
			[runLoop addTimer: timer
				  forMode: runLoop.currentMode];
		}

		return;
	}

	[self didConnect];
}

- (id)of_connectionFailedExceptionForErrNo: (int)errNo
{
	return [OFConnectionFailedException exceptionWithHost: _host
							 port: _port
						       socket: _socket
							errNo: errNo];
}

- (void)tryNextAddressWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	of_socket_address_t address = *(const of_socket_address_t *)
	    [_socketAddresses itemAtIndex: _socketAddressesIndex++];
	int errNo;

	of_socket_address_set_port(&address, _port);

	if (![_socket of_createSocketForAddress: &address
					  errNo: &errNo]) {
		if (_socketAddressesIndex >= _socketAddresses.count) {
			_exception = [[OFConnectionFailedException alloc]
			    initWithHost: _host
				    port: _port
				  socket: _socket
				   errNo: errNo];
			[self didConnect];
			return;
		}

		[self tryNextAddressWithRunLoopMode: runLoopMode];
		return;
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	/*
	 * On Wii and 3DS, connect() fails if non-blocking is enabled.
	 *
	 * Additionally, on Wii, there is no getsockopt(), so it would not be
	 * possible to get the error (or success) after connecting anyway.
	 *
	 * So for now, connecting is blocking on Wii and 3DS.
	 *
	 * FIXME: Use a different thread as a work around.
	 */
	_socket.blocking = true;
#else
	_socket.blocking = false;
#endif

	if (![_socket of_connectSocketToAddress: &address
					  errNo: &errNo]) {
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForSocket: _socket
							  mode: runLoopMode
						      delegate: self];
			return;
		} else {
#endif
			[_socket of_closeSocket];

			if (_socketAddressesIndex >= _socketAddresses.count) {
				_exception = [[OFConnectionFailedException
				    alloc] initWithHost: _host
						   port: _port
						 socket: _socket
						  errNo: errNo];
				[self didConnect];
				return;
			}

			[self tryNextAddressWithRunLoopMode: runLoopMode];
			return;
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		}
#endif
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	_socket.blocking = false;
#endif

	[self didConnect];
}

- (void)resolver: (OFDNSResolver *)resolver
  didResolveHost: (OFString *)host
       addresses: (OFData *)addresses
       exception: (id)exception
{
	if (exception != nil) {
		_exception = [exception retain];
		[self didConnect];
		return;
	}

	_socketAddresses = [addresses copy];

	[self tryNextAddressWithRunLoopMode:
	    [OFRunLoop currentRunLoop].currentMode];
}

- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	@try {
		of_socket_address_t address =
		    of_socket_address_parse_ip(_host, _port);

		_socketAddresses = [[OFData alloc]
		    initWithItems: &address
			 itemSize: sizeof(address)
			    count: 1];

		[self tryNextAddressWithRunLoopMode: runLoopMode];
		return;
	} @catch (OFInvalidFormatException *e) {
	}

	[[OFThread DNSResolver]
	    asyncResolveAddressesForHost: _host
			   addressFamily: OF_SOCKET_ADDRESS_FAMILY_ANY
			     runLoopMode: runLoopMode
				delegate: self];
}
@end

@implementation OFTCPSocketConnectDelegate
- (void)dealloc
{
	[_exception release];

................................................................................
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate;




	if (_SOCKS5Host != nil) {
		delegate = [[[OFTCPSocketSOCKS5Connector alloc]
		    initWithSocket: self
			      host: host
			      port: port
			  delegate: _delegate
#ifdef OF_HAVE_BLOCKS
................................................................................
#endif
		    ] autorelease];
		host = _SOCKS5Host;
		port = _SOCKS5Port;
	} else
		delegate = _delegate;

	[[[[OFTCPSocketAsyncConnectDelegate alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: delegate
#ifdef OF_HAVE_BLOCKS
			   block: NULL
#endif
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncConnectToHost: (OFString *)host
................................................................................
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (of_tcp_socket_async_connect_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate = nil;




	if (_SOCKS5Host != nil) {
		delegate = [[[OFTCPSocketSOCKS5Connector alloc]
		    initWithSocket: self
			      host: host
			      port: port
			  delegate: nil
			     block: block] autorelease];
		host = _SOCKS5Host;
		port = _SOCKS5Port;
	}

	[[[[OFTCPSocketAsyncConnectDelegate alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: delegate
			   block: (delegate == nil ? block : NULL)] autorelease]
	    startWithRunLoopMode: runLoopMode];








>





<



<

<


<
<













|
<
<
<
<
<


<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<






<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







>
>
>







 







|




<

<







 







>
>
>











|







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
...
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
...
240
241
242
243
244
245
246
247
248
249
250
251

252

253
254
255
256
257
258
259
...
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
# include <fcntl.h>
#endif

#import "OFTCPSocket.h"
#import "OFDNSResolver.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFIPSocketAsyncConnector.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#import "OFString.h"
#import "OFTCPSocketSOCKS5Connector.h"
#import "OFThread.h"


#import "OFAlreadyConnectedException.h"
#import "OFBindFailedException.h"

#import "OFGetOptionFailedException.h"

#import "OFNotImplementedException.h"
#import "OFNotOpenException.h"


#import "OFSetOptionFailedException.h"

#import "socket.h"
#import "socket_helpers.h"

static const of_run_loop_mode_t connectRunLoopMode =
    @"of_tcp_socket_connect_mode";

Class of_tls_socket_class = Nil;

static OFString *defaultSOCKS5Host = nil;
static uint16_t defaultSOCKS5Port = 1080;

@interface OFTCPSocket () <OFIPSocketAsyncConnecting>





@end





























@interface OFTCPSocketConnectDelegate: OFObject <OFTCPSocketDelegate>
{
@public
	bool _done;
	id _exception;
}




































































































































































































































@end

@implementation OFTCPSocketConnectDelegate
- (void)dealloc
{
	[_exception release];

................................................................................
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate;

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	if (_SOCKS5Host != nil) {
		delegate = [[[OFTCPSocketSOCKS5Connector alloc]
		    initWithSocket: self
			      host: host
			      port: port
			  delegate: _delegate
#ifdef OF_HAVE_BLOCKS
................................................................................
#endif
		    ] autorelease];
		host = _SOCKS5Host;
		port = _SOCKS5Port;
	} else
		delegate = _delegate;

	[[[[OFIPSocketAsyncConnector alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: delegate

			   block: NULL

	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncConnectToHost: (OFString *)host
................................................................................
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (of_tcp_socket_async_connect_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate = nil;

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	if (_SOCKS5Host != nil) {
		delegate = [[[OFTCPSocketSOCKS5Connector alloc]
		    initWithSocket: self
			      host: host
			      port: port
			  delegate: nil
			     block: block] autorelease];
		host = _SOCKS5Host;
		port = _SOCKS5Port;
	}

	[[[[OFIPSocketAsyncConnector alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: delegate
			   block: (delegate == nil ? block : NULL)] autorelease]
	    startWithRunLoopMode: runLoopMode];