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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.43 by root, Mon Apr 2 18:55:22 2007 UTC vs.
Revision 1.52 by root, Mon Oct 1 01:09:10 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
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
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License 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
19 * along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The author can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */ 22 */
24 23
25/** 24/**
26 * \file 25 * \file
27 * Socket general functions 26 * Socket general functions
46#include <unistd.h> 45#include <unistd.h>
47#include <arpa/inet.h> 46#include <arpa/inet.h>
48 47
49#include <algorithm> 48#include <algorithm>
50 49
50// use relatively small values, as we do not expect to receive much,
51// and we do userspace write buffering
52// 8kb limits throughput to roughly 66kb/s
53#define SOCKET_RCVBUF 8192
54#define SOCKET_SNDBUF 16384
55
51sockvec clients; 56sockvec clients;
52 57
53/** 58/**
54 * Initializes a connection. Really, it just sets up the data structure, 59 * Initializes a connection. Really, it just sets up the data structure,
55 * socket setup is handled elsewhere. We do send a version to the 60 * socket setup is handled elsewhere. We do send a version to the
56 * client. 61 * client.
57 */ 62 */
58client::client (int fd, const char *peername) 63client::client (int fd, const char *peername)
59: fd (fd), host (strdup (peername)), 64: fd (fd), host (strdup (peername)),
60 socket_ev (this, &client::socket_cb), 65 socket_ev (this, &client::socket_cb)
61 cmd_ev (this, &client::cmd_cb),
62 cc_inv (this), cc_other (this)
63{ 66{
64 refcnt_inc (); // the socket is an external reference 67 refcnt_inc (); // the socket is an external reference
65 68
66 mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead 69 mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead
67 70
68 { 71 {
69 struct linger linger_opt; 72 struct linger linger_opt;
70 73
71 linger_opt.l_onoff = 0; 74 linger_opt.l_onoff = 0;
72 linger_opt.l_linger = 0; 75 linger_opt.l_linger = 0;
73 76
74 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 77 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
75 LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); 78 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
76 } 79 }
77 80
78 { 81 {
79 int val; 82 int val;
83
84#ifdef SO_RCVBUF
85 val = SOCKET_RCVBUF;
86 if (setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &val, sizeof (val)))
87 LOG (llevError, "SO_RCVBUF: %s\n", strerror (errno));
88#endif
89
90#ifdef SO_SNDBUF
91 val = SOCKET_SNDBUF;
92 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, &val, sizeof (val)))
93 LOG (llevError, "SO_SNDBUF: %s\n", strerror (errno));
94#endif
80 95
81#ifdef IP_TOS 96#ifdef IP_TOS
82 val = IPTOS_LOWDELAY; 97 val = IPTOS_LOWDELAY;
83 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) 98 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
84 LOG (llevError, "IP_TOS: %s\n", strerror (errno)); 99 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
90 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno)); 105 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
91#endif 106#endif
92 107
93 // set some very aggressive keepalive parameters 108 // set some very aggressive keepalive parameters
94#ifdef TCP_KEEPIDLE 109#ifdef TCP_KEEPIDLE
95 val = 10; 110 val = 1;
96 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val))) 111 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
97 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno)); 112 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
98#endif 113#endif
99 114
100#ifdef TCP_KEEPCNT 115#ifdef TCP_KEEPCNT
101 val = 5; 116 val = 3;
102 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val))) 117 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
103 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno)); 118 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
104#endif 119#endif
105 120
106#ifdef TCP_KEEPINTVL 121#ifdef TCP_KEEPINTVL
147 /* Do this so we don't send a face command for the client for 162 /* Do this so we don't send a face command for the client for
148 * this face. Face 0 is sent to the client to say clear 163 * this face. Face 0 is sent to the client to say clear
149 * face information. 164 * face information.
150 */ 165 */
151 faces_sent[0] = true; 166 faces_sent[0] = true;
167 fx_want [FT_FACE] = true; // all clients must support image faces
152 168
153 socket_ev.prio (PE_PRIO_NORMAL); 169 socket_ev.prio (PE_PRIO_HIGH);
154 socket_ev.fd (fd); 170 socket_ev.fd (fd);
155 socket_ev.poll (PE_R); 171 socket_ev.poll (PE_R);
156
157 cmd_ev.prio (PE_PRIO_NORMAL);
158 172
159 // initialisation done, kick it! 173 // initialisation done, kick it!
160 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 174 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
161 flush (); 175 flush ();
162 176
167 181
168client::~client () 182client::~client ()
169{ 183{
170 clients.erase (this); 184 clients.erase (this);
171 185
186 mapinfo_queue_clear ();
172 free (stats.range); 187 free (stats.range);
173 free (stats.title); 188 free (stats.title);
174 free (host); 189 free (host);
175} 190}
176 191
191 } 206 }
192 207
193 state = ST_DEAD; 208 state = ST_DEAD;
194 209
195 socket_ev.suspend (); 210 socket_ev.suspend ();
196 cmd_ev.suspend ();
197 211
198 refcnt_dec (); // socket no longer open 212 refcnt_dec (); // socket no longer open
199} 213}
200 214
201void 215void
221 last_weight_limit = 0; 235 last_weight_limit = 0;
222 last_path_attuned = 0; 236 last_path_attuned = 0;
223 last_path_repelled = 0; 237 last_path_repelled = 0;
224 last_path_denied = 0; 238 last_path_denied = 0;
225 last_speed = 0; 239 last_speed = 0;
226 flags = 0; 240 last_flags = 0;
227 241
228 static living zero_living; 242 static living zero_living;
229 last_stats = zero_living; 243 last_stats = zero_living;
230}
231
232/** This sets up the socket and reads all the image information into memory. */
233void
234init_ericserver (void)
235{
236 cst_tot.time_start = time (NULL);
237 cst_lst.time_start = time (NULL);
238
239 LOG (llevDebug, "Initialize new client/server data\n");
240}
241
242
243/*******************************************************************************
244 *
245 * Start of functions dealing with freeing of the data.
246 *
247 ******************************************************************************/
248
249/** Free's all the memory that ericserver allocates. */
250void
251free_all_newserver (void)
252{
253 LOG (llevDebug, "Freeing all new client/server information.\n");
254 free_socket_images ();
255} 244}
256 245
257client * 246client *
258client::create (int fd, const char *peername) 247client::create (int fd, const char *peername)
259{ 248{

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