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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.40 by root, Wed Mar 14 01:19:10 2007 UTC vs.
Revision 1.47 by root, Sat Jun 9 22:54:03 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (C) 2001 Mark Wedel 5 * Copyright (©) 2001,2007 Mark Wedel
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software; you can redistribute it and/or modify it
9 * it under the terms of the GNU General Public License as published by 9 * under the terms of the GNU General Public License as published by the Free
10 * the Free Software Foundation; either version 2 of the License, or 10 * Software Foundation; either version 2 of the License, or (at your option)
11 * (at your option) any later version. 11 * any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful, but
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * GNU General Public License for more details. 16 * for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License along
19 * along with this program; if not, write to the Free Software 19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * 21 *
22 * The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */ 23 */
24 24
25/** 25/**
26 * \file 26 * \file
27 * Socket general functions 27 * Socket general functions
… …
56 * client. 56 * client.
57 */ 57 */
58client::client (int fd, const char *peername) 58client::client (int fd, const char *peername)
59: fd (fd), host (strdup (peername)), 59: fd (fd), host (strdup (peername)),
60 socket_ev (this, &client::socket_cb), 60 socket_ev (this, &client::socket_cb),
61 cmd_ev (this, &client::cmd_cb), 61 cmd_ev (this, &client::cmd_cb)
62 cc_inv (this), cc_other (this)
63{ 62{
64 refcnt_inc (); // the socket is an external reference 63 refcnt_inc (); // the socket is an external reference
64
65 mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead
65 66
66 { 67 {
67 struct linger linger_opt; 68 struct linger linger_opt;
68 69
69 linger_opt.l_onoff = 0; 70 linger_opt.l_onoff = 0;
70 linger_opt.l_linger = 0; 71 linger_opt.l_linger = 0;
71 72
72 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 73 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
73 LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); 74 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
74 } 75 }
75 76
76 { 77 {
78 int val;
79
80#ifdef IP_TOS
77 int val = IPTOS_LOWDELAY; 81 val = IPTOS_LOWDELAY;
78
79 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) 82 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
80 LOG (llevError, "IP_TOS: %s\n", strerror (errno)); 83 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
81 } 84#endif
82 85
83 { 86#ifdef TCP_NODELAY
84 int val = 1; 87 val = 1;
85
86 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val))) 88 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)))
87 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno)); 89 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
90#endif
91
92 // set some very aggressive keepalive parameters
93#ifdef TCP_KEEPIDLE
94 val = 1;
95 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
96 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
97#endif
98
99#ifdef TCP_KEEPCNT
100 val = 3;
101 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
102 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
103#endif
104
105#ifdef TCP_KEEPINTVL
106 val = 1;
107 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
108 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
109#endif
110
111 // try to find the mss value in use
112#ifdef TCP_MAXSEG
113 socklen_t sl = sizeof (val);
114 if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val))
115 mss = val;
116#endif
88 } 117 }
89
90#ifdef __linux__
91 {
92 int val;
93
94 // set some very aggressive keepalive parameters
95 val = 10;
96 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
97 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
98
99 val = 5;
100 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
101 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
102
103 val = 1;
104 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
105 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
106 }
107#endif
108 118
109 { 119 {
110 int bufsize = 65535; /*Supposed absolute upper limit */ 120 int bufsize = 65535; /*Supposed absolute upper limit */
111 int oldbufsize; 121 int oldbufsize;
112 int buflen = sizeof (int); 122 int buflen = sizeof (int);
… …
129 mapmode = Map0Cmd; 139 mapmode = Map0Cmd;
130 darkness = 1; 140 darkness = 1;
131 mapx = 11; 141 mapx = 11;
132 mapy = 11; 142 mapy = 11;
133 itemcmd = 1; /* Default is version item1 command */ 143 itemcmd = 1; /* Default is version item1 command */
144 max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default
134 145
135 /* Do this so we don't send a face command for the client for 146 /* Do this so we don't send a face command for the client for
136 * this face. Face 0 is sent to the client to say clear 147 * this face. Face 0 is sent to the client to say clear
137 * face information. 148 * face information.
138 */ 149 */
… …
209 last_weight_limit = 0; 220 last_weight_limit = 0;
210 last_path_attuned = 0; 221 last_path_attuned = 0;
211 last_path_repelled = 0; 222 last_path_repelled = 0;
212 last_path_denied = 0; 223 last_path_denied = 0;
213 last_speed = 0; 224 last_speed = 0;
214 flags = 0; 225 last_flags = 0;
215 226
216 static living zero_living; 227 static living zero_living;
217 last_stats = zero_living; 228 last_stats = zero_living;
218} 229}
219
220/** This sets up the socket and reads all the image information into memory. */
221void
222init_ericserver (void)
223{
224 cst_tot.time_start = time (NULL);
225 cst_lst.time_start = time (NULL);
226
227 LOG (llevDebug, "Initialize new client/server data\n");
228}
229
230 230
231/******************************************************************************* 231/*******************************************************************************
232 * 232 *
233 * Start of functions dealing with freeing of the data. 233 * Start of functions dealing with freeing of the data.
234 * 234 *

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