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
|
# 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];
|
>
<
<
<
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
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
|
# 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];
|
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
|
- (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
block: NULL
#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
|
>
>
>
|
<
<
|
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
|
- (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
block: NULL
#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
|
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
|
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];
|
>
>
>
|
|
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
|
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];
|