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
|
.TH "InspSocket" 3 "9 Dec 2005" "Version 1.0Betareleases" "InspIRCd" \" -*- nroff -*-
.ad l
.nh
.SH NAME
InspSocket \-
.SH SYNOPSIS
.br
.PP
\fC#include <socket.h>\fP
.PP
.SS "Public Member Functions"
.in +1c
.ti -1c
.RI "\fBInspSocket\fP ()"
.br
.ti -1c
.RI "\fBInspSocket\fP (int newfd, char *ip)"
.br
.ti -1c
.RI "\fBInspSocket\fP (\fBstd::string\fP \fBhost\fP, int \fBport\fP, bool listening, unsigned long maxtime)"
.br
.ti -1c
.RI "virtual bool \fBOnConnected\fP ()"
.br
.ti -1c
.RI "virtual void \fBOnError\fP (\fBInspSocketError\fP e)"
.br
.ti -1c
.RI "virtual int \fBOnDisconnect\fP ()"
.br
.ti -1c
.RI "virtual bool \fBOnDataReady\fP ()"
.br
.ti -1c
.RI "virtual void \fBOnTimeout\fP ()"
.br
.ti -1c
.RI "virtual void \fBOnClose\fP ()"
.br
.ti -1c
.RI "virtual char * \fBRead\fP ()"
.br
.ti -1c
.RI "\fBstd::string\fP \fBGetIP\fP ()"
.br
.ti -1c
.RI "virtual int \fBWrite\fP (\fBstd::string\fP data)"
.br
.ti -1c
.RI "virtual int \fBOnIncomingConnection\fP (int newfd, char *ip)"
.br
.ti -1c
.RI "void \fBSetState\fP (\fBInspSocketState\fP s)"
.br
.ti -1c
.RI "\fBInspSocketState\fP \fBGetState\fP ()"
.br
.ti -1c
.RI "bool \fBPoll\fP ()"
.br
.ti -1c
.RI "virtual void \fBClose\fP ()"
.br
.ti -1c
.RI "virtual \fB~InspSocket\fP ()"
.br
.in -1c
.SS "Private Attributes"
.in +1c
.ti -1c
.RI "int \fBfd\fP"
.br
.ti -1c
.RI "\fBstd::string\fP \fBhost\fP"
.br
.ti -1c
.RI "int \fBport\fP"
.br
.ti -1c
.RI "\fBInspSocketState\fP \fBstate\fP"
.br
.ti -1c
.RI "sockaddr_in \fBaddr\fP"
.br
.ti -1c
.RI "in_addr \fBaddy\fP"
.br
.ti -1c
.RI "time_t \fBtimeout_end\fP"
.br
.ti -1c
.RI "bool \fBtimeout\fP"
.br
.ti -1c
.RI "pollfd \fBpolls\fP"
.br
.ti -1c
.RI "char \fBibuf\fP [16384]"
.br
.ti -1c
.RI "\fBstd::string\fP \fBIP\fP"
.br
.ti -1c
.RI "sockaddr_in \fBclient\fP"
.br
.ti -1c
.RI "sockaddr_in \fBserver\fP"
.br
.ti -1c
.RI "socklen_t \fBlength\fP"
.br
.in -1c
.SH "Detailed Description"
.PP
Definition at line 30 of file socket.h.
.SH "Constructor & Destructor Documentation"
.PP
.SS "InspSocket::InspSocket ()"
.PP
Definition at line 46 of file socket.cpp.
.PP
References I_DISCONNECTED, and state.
.PP
.nf
47 {
48 this->state = I_DISCONNECTED;
49 }
.fi
.PP
.SS "InspSocket::InspSocket (int newfd, char * ip)"
.PP
Definition at line 51 of file socket.cpp.
.PP
References fd, I_CONNECTED, IP, and state.
.PP
.nf
52 {
53 this->fd = newfd;
54 this->state = I_CONNECTED;
55 this->IP = ip;
56 }
.fi
.PP
.SS "InspSocket::InspSocket (\fBstd::string\fP host, int port, bool listening, unsigned long maxtime)"
.PP
Definition at line 58 of file socket.cpp.
.PP
References addr, addy, Close(), DEBUG, fd, I_CONNECTING, I_ERR_BIND, I_ERR_CONNECT, I_ERR_SOCKET, I_ERROR, I_LISTENING, IP, OnError(), state, timeout, and timeout_end.
.PP
.nf
59 {
60 if (listening) {
61 if ((this->fd = OpenTCPSocket()) == ERROR)
62 {
63 this->fd = -1;
64 this->state = I_ERROR;
65 this->OnError(I_ERR_SOCKET);
66 log(DEBUG,'OpenTCPSocket() error');
67 return;
68 }
69 else
70 {
71 if (BindSocket(this->fd,this->client,this->server,port,(char*)host.c_str()) == ERROR)
72 {
73 this->Close();
74 this->fd = -1;
75 this->state = I_ERROR;
76 this->OnError(I_ERR_BIND);
77 log(DEBUG,'BindSocket() error %s',strerror(errno));
78 return;
79 }
80 else
81 {
82 this->state = I_LISTENING;
83 log(DEBUG,'New socket now in I_LISTENING state');
84 return;
85 }
86 }
87 } else {
88 char* ip;
89 this->host = host;
90 hostent* hoste = gethostbyname(host.c_str());
91 if (!hoste) {
92 ip = (char*)host.c_str();
93 } else {
94 struct in_addr* ia = (in_addr*)hoste->h_addr;
95 ip = inet_ntoa(*ia);
96 }
97
98 this->IP = ip;
99
100 timeout_end = time(NULL)+maxtime;
101 timeout = false;
102 if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
103 {
104 this->state = I_ERROR;
105 this->OnError(I_ERR_SOCKET);
106 return;
107 }
108 this->port = port;
109 inet_aton(ip,&addy);
110 addr.sin_family = AF_INET;
111 addr.sin_addr = addy;
112 addr.sin_port = htons(this->port);
113
114 int flags;
115 flags = fcntl(this->fd, F_GETFL, 0);
116 fcntl(this->fd, F_SETFL, flags | O_NONBLOCK);
117
118 if(connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1)
119 {
120 if (errno != EINPROGRESS)
121 {
122 this->Close();
123 this->OnError(I_ERR_CONNECT);
124 this->state = I_ERROR;
125 return;
126 }
127 }
128 this->state = I_CONNECTING;
129 return;
130 }
131 }
.fi
.PP
.SS "InspSocket::~InspSocket ()\fC [virtual]\fP"
.PP
Definition at line 254 of file socket.cpp.
.PP
References Close().
.PP
.nf
255 {
256 this->Close();
257 }
.fi
.PP
.SH "Member Function Documentation"
.PP
.SS "void InspSocket::Close ()\fC [virtual]\fP"
.PP
Definition at line 133 of file socket.cpp.
.PP
References fd, and OnClose().
.PP
Referenced by InspSocket(), and ~InspSocket().
.PP
.nf
134 {
135 if (this->fd != -1)
136 {
137 this->OnClose();
138 shutdown(this->fd,2);
139 close(this->fd);
140 this->fd = -1;
141 }
142 }
.fi
.PP
.SS "\fBstd::string\fP InspSocket::GetIP ()"
.PP
Definition at line 144 of file socket.cpp.
.PP
References IP.
.PP
.nf
145 {
146 return this->IP;
147 }
.fi
.PP
.SS "\fBInspSocketState\fP InspSocket::GetState ()"
.PP
Definition at line 241 of file socket.cpp.
.PP
References state.
.PP
.nf
242 {
243 return this->state;
244 }
.fi
.PP
.SS "void InspSocket::OnClose ()\fC [virtual]\fP"
.PP
Definition at line 252 of file socket.cpp.
.PP
Referenced by Close().
.PP
.nf
252 { return; }
.fi
.PP
.SS "bool InspSocket::OnConnected ()\fC [virtual]\fP"
.PP
Definition at line 246 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
246 { return true; }
.fi
.PP
.SS "bool InspSocket::OnDataReady ()\fC [virtual]\fP"
.PP
Definition at line 250 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
250 { return true; }
.fi
.PP
.SS "int InspSocket::OnDisconnect ()\fC [virtual]\fP"
.PP
Definition at line 248 of file socket.cpp.
.PP
.nf
248 { return 0; }
.fi
.PP
.SS "void InspSocket::OnError (\fBInspSocketError\fP e)\fC [virtual]\fP"
.PP
Definition at line 247 of file socket.cpp.
.PP
Referenced by InspSocket(), and Poll().
.PP
.nf
247 { return; }
.fi
.PP
.SS "int InspSocket::OnIncomingConnection (int newfd, char * ip)\fC [virtual]\fP"
.PP
Definition at line 249 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
249 { return 0; }
.fi
.PP
.SS "void InspSocket::OnTimeout ()\fC [virtual]\fP"
.PP
Definition at line 251 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
251 { return; }
.fi
.PP
.SS "bool InspSocket::Poll ()"
.PP
Definition at line 191 of file socket.cpp.
.PP
References client, fd, I_CONNECTED, I_CONNECTING, I_ERR_TIMEOUT, I_ERROR, I_LISTENING, length, OnConnected(), OnDataReady(), OnError(), OnIncomingConnection(), OnTimeout(), polls, SetState(), state, timeout, and timeout_end.
.PP
.nf
192 {
193 if ((time(NULL) > timeout_end) && (this->state == I_CONNECTING))
194 {
195 // for non-listening sockets, the timeout can occur
196 // which causes termination of the connection after
197 // the given number of seconds without a successful
198 // connection.
199 this->OnTimeout();
200 this->OnError(I_ERR_TIMEOUT);
201 timeout = true;
202 this->state = I_ERROR;
203 return false;
204 }
205 polls.fd = this->fd;
206 state == I_CONNECTING ? polls.events = POLLOUT : polls.events = POLLIN;
207 int ret = poll(&polls,1,1);
208
209 if (ret > 0)
210 {
211 int incoming = -1;
212
213 switch (this->state)
214 {
215 case I_CONNECTING:
216 this->SetState(I_CONNECTED);
217 return this->OnConnected();
218 break;
219 case I_LISTENING:
220 length = sizeof (client);
221 incoming = accept (this->fd, (sockaddr*)&client,&length);
222 this->OnIncomingConnection(incoming,inet_ntoa(client.sin_addr));
223 return true;
224 break;
225 case I_CONNECTED:
226 return this->OnDataReady();
227 break;
228 default:
229 break;
230 }
231 }
232 return true;
233 }
.fi
.PP
.SS "char * InspSocket::Read ()\fC [virtual]\fP"
.PP
Definition at line 149 of file socket.cpp.
.PP
References DEBUG, and ibuf.
.PP
.nf
150 {
151 int n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0);
152 if (n > 0)
153 {
154 ibuf[n] = 0;
155 return ibuf;
156 }
157 else
158 {
159 log(DEBUG,'EOF or error on socket');
160 return NULL;
161 }
162 }
.fi
.PP
.SS "void InspSocket::SetState (\fBInspSocketState\fP s)"
.PP
Definition at line 235 of file socket.cpp.
.PP
References DEBUG, and state.
.PP
Referenced by Poll().
.PP
.nf
236 {
237 log(DEBUG,'Socket state change');
238 this->state = s;
239 }
.fi
.PP
.SS "int InspSocket::Write (\fBstd::string\fP data)\fC [virtual]\fP"
.PP
Definition at line 168 of file socket.cpp.
.PP
.nf
169 {
170 char* d = (char*)data.c_str();
171 unsigned int written = 0;
172 int n = 0;
173 int s = data.length();
174 while ((written < data.length()) && (n >= 0))
175 {
176 n = send(this->fd,d,s,0);
177 if (n > 0)
178 {
179 // If we didnt write everything, advance
180 // the pointers so that when we retry
181 // the next time around the loop, we try
182 // to write what we failed to write before.
183 written += n;
184 s -= n;
185 d += n;
186 }
187 }
188 return written;
189 }
.fi
.PP
.SH "Member Data Documentation"
.PP
.SS "sockaddr_in \fBInspSocket::addr\fP\fC [private]\fP"
.PP
Definition at line 37 of file socket.h.
.PP
Referenced by InspSocket().
.SS "in_addr \fBInspSocket::addy\fP\fC [private]\fP"
.PP
Definition at line 38 of file socket.h.
.PP
Referenced by InspSocket().
.SS "sockaddr_in \fBInspSocket::client\fP\fC [private]\fP"
.PP
Definition at line 44 of file socket.h.
.PP
Referenced by Poll().
.SS "int \fBInspSocket::fd\fP\fC [private]\fP"
.PP
Definition at line 33 of file socket.h.
.PP
Referenced by Close(), InspSocket(), and Poll().
.SS "\fBstd::string\fP \fBInspSocket::host\fP\fC [private]\fP"
.PP
Definition at line 34 of file socket.h.
.SS "char \fBInspSocket::ibuf\fP[16384]\fC [private]\fP"
.PP
Definition at line 42 of file socket.h.
.PP
Referenced by Read().
.SS "\fBstd::string\fP \fBInspSocket::IP\fP\fC [private]\fP"
.PP
Definition at line 43 of file socket.h.
.PP
Referenced by GetIP(), and InspSocket().
.SS "socklen_t \fBInspSocket::length\fP\fC [private]\fP"
.PP
Definition at line 46 of file socket.h.
.PP
Referenced by Poll().
.SS "pollfd \fBInspSocket::polls\fP\fC [private]\fP"
.PP
Definition at line 41 of file socket.h.
.PP
Referenced by Poll().
.SS "int \fBInspSocket::port\fP\fC [private]\fP"
.PP
Definition at line 35 of file socket.h.
.SS "sockaddr_in \fBInspSocket::server\fP\fC [private]\fP"
.PP
Definition at line 45 of file socket.h.
.SS "\fBInspSocketState\fP \fBInspSocket::state\fP\fC [private]\fP"
.PP
Definition at line 36 of file socket.h.
.PP
Referenced by GetState(), InspSocket(), Poll(), and SetState().
.SS "bool \fBInspSocket::timeout\fP\fC [private]\fP"
.PP
Definition at line 40 of file socket.h.
.PP
Referenced by InspSocket(), and Poll().
.SS "time_t \fBInspSocket::timeout_end\fP\fC [private]\fP"
.PP
Definition at line 39 of file socket.h.
.PP
Referenced by InspSocket(), and Poll().
.SH "Author"
.PP
Generated automatically by Doxygen for InspIRCd from the source code.
|
