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Comparing gvpe/src/vpn_tcp.C (file contents):
Revision 1.10 by pcg, Thu Oct 16 02:41:21 2003 UTC vs.
Revision 1.12 by pcg, Thu Mar 3 16:54:34 2005 UTC

1/* 1/*
2 vpn_tcp.C -- handle the tcp part of the protocol. 2 vpn_tcp.C -- handle the tcp part of the protocol.
3 Copyright (C) 2003 Marc Lehmann <pcg@goof.com> 3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE.
6
5 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 10 (at your option) any later version.
9 11
10 This program is distributed in the hope that it will be useful, 12 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details. 15 GNU General Public License for more details.
14 16
15 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
17 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/ 20*/
19 21
20#include "config.h" 22#include "config.h"
21 23
… …
101 ~tcp_connection (); 103 ~tcp_connection ();
102}; 104};
103 105
104void tcp_si_map::cleaner_cb (time_watcher &w) 106void tcp_si_map::cleaner_cb (time_watcher &w)
105{ 107{
106 w.at = NOW + 600; 108 w.start (NOW + 600);
109
107 tstamp to = NOW - ::conf.keepalive - 30 - 60; 110 tstamp to = NOW - ::conf.keepalive - 30 - 60;
108 111
109 for (iterator i = begin (); i != end(); ) 112 for (iterator i = begin (); i != end(); )
110 if (i->second->last_activity >= to) 113 if (i->second->last_activity >= to)
111 ++i; 114 ++i;
… …
117} 120}
118 121
119void 122void
120vpn::tcpv4_ev (io_watcher &w, short revents) 123vpn::tcpv4_ev (io_watcher &w, short revents)
121{ 124{
122 if (revents & (POLLIN | POLLERR)) 125 if (revents & EVENT_READ)
123 { 126 {
124 struct sockaddr_in sa; 127 struct sockaddr_in sa;
125 socklen_t sa_len = sizeof (sa); 128 socklen_t sa_len = sizeof (sa);
126 int len; 129 int len;
127 130
… …
199void 202void
200tcp_connection::tcpv4_ev (io_watcher &w, short revents) 203tcp_connection::tcpv4_ev (io_watcher &w, short revents)
201{ 204{
202 last_activity = NOW; 205 last_activity = NOW;
203 206
204 if (revents & (POLLERR | POLLHUP)) 207 if (revents & EVENT_WRITE)
205 {
206 error ();
207 return;
208 }
209
210 if (revents & POLLOUT)
211 { 208 {
212 if (state == CONNECTING) 209 if (state == CONNECTING)
213 { 210 {
214 state = ESTABLISHED; 211 state = ESTABLISHED;
215 set (POLLIN); 212 set (EVENT_READ);
216#if ENABLE_HTTP_PROXY 213#if ENABLE_HTTP_PROXY
217 if (::conf.proxy_host && ::conf.proxy_port) 214 if (::conf.proxy_host && ::conf.proxy_port)
218 { 215 {
219 state = CONNECTING_PROXY; 216 state = CONNECTING_PROXY;
217
220 write (fd, proxy_req, proxy_req_len); 218 if (write (fd, proxy_req, proxy_req_len) == 0)
219 {
220 error ();
221 return;
222 }
223
221 free (proxy_req); proxy_req = 0; 224 free (proxy_req); proxy_req = 0;
222 } 225 }
223#endif 226#endif
224 } 227 }
225 else if (state == ESTABLISHED) 228 else if (state == ESTABLISHED)
… …
228 { 231 {
229 if (write_packet ()) 232 if (write_packet ())
230 { 233 {
231 delete w_pkt; w_pkt = 0; 234 delete w_pkt; w_pkt = 0;
232 235
233 set (POLLIN); 236 set (EVENT_READ);
234 } 237 }
235 } 238 }
236 else 239 else
237 set (POLLIN); 240 set (EVENT_READ);
238 } 241 }
239 else 242 else
240 set (POLLIN); 243 set (EVENT_READ);
241 } 244 }
242 245
243 if (revents & POLLIN) 246 if (revents & EVENT_READ)
244 { 247 {
245 if (state == ESTABLISHED) 248 if (state == ESTABLISHED)
246 for (;;) 249 for (;;)
247 { 250 {
248 if (!r_pkt) 251 if (!r_pkt)
… …
282 break; 285 break;
283 } 286 }
284 else if (len < 0 && (errno == EINTR || errno == EAGAIN)) 287 else if (len < 0 && (errno == EINTR || errno == EAGAIN))
285 break; 288 break;
286 289
290 // len == 0 <-> EOF
287 error (); 291 error ();
288 break; 292 break;
289 } 293 }
290#if ENABLE_HTTP_PROXY 294#if ENABLE_HTTP_PROXY
291 else if (state == CONNECTING_PROXY) 295 else if (state == CONNECTING_PROXY)
… …
386 390
387 if (connect (fd, csi->sav4 (), csi->salenv4 ()) >= 0 391 if (connect (fd, csi->sav4 (), csi->salenv4 ()) >= 0
388 || errno == EINPROGRESS) 392 || errno == EINPROGRESS)
389 { 393 {
390 state = CONNECTING; 394 state = CONNECTING;
391 start (fd, POLLOUT); 395 start (fd, EVENT_WRITE);
392 } 396 }
393 else 397 else
394 close (fd); 398 close (fd);
395 } 399 }
396 } 400 }
… …
415 else 419 else
416 { 420 {
417 w_pkt = new vpn_packet; 421 w_pkt = new vpn_packet;
418 w_pkt->set (*pkt); 422 w_pkt->set (*pkt);
419 423
420 set (POLLIN | POLLOUT); 424 set (EVENT_READ | EVENT_WRITE);
421 } 425 }
422 } 426 }
423 } 427 }
424 428
425 return state != ERROR; 429 return state != ERROR;
… …
461 } 465 }
462 else 466 else
463 { 467 {
464 active = false; 468 active = false;
465 state = ESTABLISHED; 469 state = ESTABLISHED;
466 start (fd, POLLIN); 470 start (fd, EVENT_READ);
467 } 471 }
468} 472}
469 473
470tcp_connection::~tcp_connection () 474tcp_connection::~tcp_connection ()
471{ 475{

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