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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.43 by root, Sat Jun 9 22:54:04 2007 UTC vs.
Revision 1.49 by root, Sun Jul 1 05:00:20 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
24/**
25 * \file
26 * Low-level socket-related functions.
27 *
28 * \date 2003-12-02
29 *
30 * Contains some base functions that both the client and server
31 * can use. As such, depending what we are being compiled for will
32 * determine what we can include. the client is designed have
33 * CFCLIENT defined as part of its compile flags.
34 */
35
36using namespace std; 23using namespace std;
37 24
38#include <global.h> 25#include <global.h>
39#include <sproto.h> 26#include <sproto.h>
40#include <cstdarg> 27#include <cstdarg>
41 28
42#ifdef __linux__ 29#if HAVE_TCP_INFO
43# include <sys/types.h> 30# include <sys/types.h>
44# include <sys/socket.h> 31# include <sys/socket.h>
45# include <netinet/in.h> 32# include <netinet/in.h>
46# include <netinet/tcp.h> 33# include <netinet/tcp.h>
47#endif 34#endif
… …
57client::flush () 44client::flush ()
58{ 45{
59 if (destroyed ()) 46 if (destroyed ())
60 return; 47 return;
61 48
62#ifdef __linux__ 49#if HAVE_TCP_INFO
63 // check about once per second, spread evenly over all clients 50 // check about once per second, spread evenly over all clients
64 if (!((pticks + fd) & 7)) 51 // do this only when player is active
52 if (!((pticks + fd) & 7) && pl && pl->active)
65 { 53 {
66 // check time of last ack, and, if too old, kill connection 54 // check time of last ack, and, if too old, kill connection
67 struct tcp_info tcpi; 55 struct tcp_info tcpi;
68 socklen_t len = sizeof (tcpi); 56 socklen_t len = sizeof (tcpi);
69 57
70 if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi)) 58 if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi))
71 { 59 {
60 if (tcpi.tcpi_snd_mss)
61 mss = tcpi.tcpi_snd_mss;
62
72 rtt = tcpi.tcpi_rtt; 63 rtt = tcpi.tcpi_rtt;
73 rttvar = tcpi.tcpi_rttvar; 64 rttvar = tcpi.tcpi_rttvar;
74 65
75 if (tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) 66 if (tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000))
76 { 67 {
… …
93 */ 84 */
94 85
95 // write a nop to the socket at least every IDLE_NOP seconds. 86 // write a nop to the socket at least every IDLE_NOP seconds.
96 if (!outputbuffer.len) 87 if (!outputbuffer.len)
97 { 88 {
98 if (last_send + IDLE_PING <= NOW) 89 if (last_send + IDLE_PING <= NOW && pl && pl->active)
99 { 90 {
100 // this is a bit ugly, but map1/map1a seem to be the only 91 // this is a bit ugly, but map1/map1a seem to be the only
101 // nop'able commands and they are quite small. 92 // nop'able commands and they are quite small.
102 packet sl (mapmode == Map1Cmd ? "map1" : "map1a"); 93 packet sl (mapmode == Map1Cmd ? "map1" : "map1a");
103 send_packet (sl); 94 send_packet (sl);
… …
519 va_end (ap); 510 va_end (ap);
520 511
521 send_packet (sl); 512 send_packet (sl);
522} 513}
523 514
524void 515// returns true when the message needs special (read: perl) treatment
525client::send_drawinfo (const char *msg, int flags) 516static bool
526{ 517msg_is_special (const char *msg)
527 send_packet_printf ("drawinfo %d %s", flags, msg); 518{
519 return msg [strcspn (msg, "<[&\n")];
528} 520}
529 521
530void 522void
531client::send_msg (int color, const char *type, const char *msg) 523client::send_msg (int color, const char *type, const char *msg)
532{ 524{
525 if (msg_is_special (msg))
526 cfperl_send_msg (this, color, type, msg);
533 if (can_msg) 527 else if (can_msg)
534 send_packet_printf ("msg %d %s %s", color, type, msg); 528 send_packet_printf ("msg %d %s %s", color, type, msg);
535 else if (color < 0) 529 else if (color < 0)
536 return; // client cannot handle this 530 return; // client cannot handle this
537 else if (strchr (msg, '<') || strchr (msg, '&'))
538 {
539 //TODO: should escape/modify to old syntax
540 send_packet_printf ("drawinfo %d %s", color, msg);
541 }
542 else 531 else
543 send_packet_printf ("drawinfo %d %s", color, msg); 532 send_packet_printf ("drawinfo %d %s", color, msg);
533}
534
535void
536client::send_drawinfo (const char *msg, int flags)
537{
538 send_msg (flags, "log", msg);
544} 539}
545 540
546/*********************************************************************** 541/***********************************************************************
547 * 542 *
548 * packet functions/utilities 543 * packet functions/utilities

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