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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.45 by root, Sun Jun 10 02:51:46 2007 UTC vs.
Revision 1.50 by root, Thu Jul 12 19:36:58 2007 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 1992,2007 Frank Tore Johansen 5 * Copyright (©) 1992,2007 Frank Tore Johansen
6 * 6 *
7 * Crossfire TRT is free software; you can redistribute it and/or modify it 7 * Crossfire TRT is free software: you can redistribute it and/or modify
8 * under the terms of the GNU General Public License as published by the Free 8 * it under the terms of the GNU General Public License as published by
9 * Software Foundation; either version 2 of the License, or (at your option) 9 * the Free Software Foundation, either version 3 of the License, or
10 * any later version. 10 * (at your option) any later version.
11 * 11 *
12 * This program is distributed in the hope that it will be useful, but 12 * This program is distributed in the hope that it will be useful,
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * for more details. 15 * GNU General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU General Public License along 17 * You should have received a copy of the GNU General Public License
18 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 * 19 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 20 * The authors can be reached via e-mail to <crossfire@schmorp.de>
22 */ 21 */
23 22
24using namespace std; 23using namespace std;
… …
32# include <sys/socket.h> 31# include <sys/socket.h>
33# include <netinet/in.h> 32# include <netinet/in.h>
34# include <netinet/tcp.h> 33# include <netinet/tcp.h>
35#endif 34#endif
36 35
36#define HAVE_SIOCOUTQ 1 //TODO configure.ac support
37#if HAVE_SIOCOUTQ
38# include <linux/sockios.h>
39#endif
40
37// disconnect a socket after this many seconds without an ack 41// disconnect a socket after this many seconds without an ack
38#define SOCKET_TIMEOUT 8. 42#define SOCKET_TIMEOUT 8.
39 43
40// force a packet when idle for more than this many seconds, 44// force a packet when idle for more than this many seconds,
41// forcing an ack regularly. 45// forcing an ack regularly.
… …
45client::flush () 49client::flush ()
46{ 50{
47 if (destroyed ()) 51 if (destroyed ())
48 return; 52 return;
49 53
54# if HAVE_SIOCOUTQ
55 {
56 int value;
57
58 if (!ioctl (fd, SIOCOUTQ, &value))
59 outq = value;
60 }
61# endif
62
50#if HAVE_TCP_INFO 63#if HAVE_TCP_INFO
51 // check about once per second, spread evenly over all clients 64 // check about once per second, spread evenly over all clients
52 if (!((pticks + fd) & 7)) 65 // do this only when player is active
66 if (!((pticks + fd) & 7) && pl && pl->active)
53 { 67 {
54 // check time of last ack, and, if too old, kill connection 68 // check time of last ack, and, if too old, kill connection
55 struct tcp_info tcpi; 69 struct tcp_info tcpi;
56 socklen_t len = sizeof (tcpi); 70 socklen_t len = sizeof (tcpi);
57 71
58 if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi)) 72 if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi))
59 { 73 {
74 if (tcpi.tcpi_snd_mss)
75 mss = tcpi.tcpi_snd_mss;
76
60 rtt = tcpi.tcpi_rtt; 77 rtt = tcpi.tcpi_rtt;
61 rttvar = tcpi.tcpi_rttvar; 78 rttvar = tcpi.tcpi_rttvar;
62 79
63 if (tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) 80 if (tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000))
64 { 81 {
… …
81 */ 98 */
82 99
83 // write a nop to the socket at least every IDLE_NOP seconds. 100 // write a nop to the socket at least every IDLE_NOP seconds.
84 if (!outputbuffer.len) 101 if (!outputbuffer.len)
85 { 102 {
86 if (last_send + IDLE_PING <= NOW) 103 if (last_send + IDLE_PING <= NOW && pl && pl->active)
87 { 104 {
88 // this is a bit ugly, but map1/map1a seem to be the only 105 // this is a bit ugly, but map1/map1a seem to be the only
89 // nop'able commands and they are quite small. 106 // nop'able commands and they are quite small.
90 packet sl (mapmode == Map1Cmd ? "map1" : "map1a"); 107 packet sl (mapmode == Map1Cmd ? "map1" : "map1a");
91 send_packet (sl); 108 send_packet (sl);
… …
507 va_end (ap); 524 va_end (ap);
508 525
509 send_packet (sl); 526 send_packet (sl);
510} 527}
511 528
512void 529// returns true when the message needs special (read: perl) treatment
513client::send_drawinfo (const char *msg, int flags) 530static bool
514{ 531msg_is_special (const char *msg)
515 send_packet_printf ("drawinfo %d %s", flags, msg); 532{
533 return msg [strcspn (msg, "<[&\n")];
516} 534}
517 535
518void 536void
519client::send_msg (int color, const char *type, const char *msg) 537client::send_msg (int color, const char *type, const char *msg)
520{ 538{
539 if (msg_is_special (msg))
540 cfperl_send_msg (this, color, type, msg);
521 if (can_msg) 541 else if (can_msg)
522 send_packet_printf ("msg %d %s %s", color, type, msg); 542 send_packet_printf ("msg %d %s %s", color, type, msg);
523 else if (color < 0) 543 else if (color < 0)
524 return; // client cannot handle this 544 return; // client cannot handle this
525 else if (strchr (msg, '<') || strchr (msg, '&'))
526 {
527 //TODO: should escape/modify to old syntax
528 send_packet_printf ("drawinfo %d %s", color, msg);
529 }
530 else 545 else
531 send_packet_printf ("drawinfo %d %s", color, msg); 546 send_packet_printf ("drawinfo %d %s", color, msg);
547}
548
549void
550client::send_drawinfo (const char *msg, int flags)
551{
552 send_msg (flags, "log", msg);
532} 553}
533 554
534/*********************************************************************** 555/***********************************************************************
535 * 556 *
536 * packet functions/utilities 557 * packet functions/utilities

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