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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.33 by pippijn, Sat Jan 6 14:42:31 2007 UTC vs.
Revision 1.43 by root, Mon Apr 2 18:55:22 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game for X-windows
3 3 *
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5 Copyright (C) 2001 Mark Wedel 5 * Copyright (C) 2001 Mark Wedel
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (C) 1992 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * This program 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 2 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, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 21 *
22 The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The author 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
28 * 28 *
… …
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) 62 cc_inv (this), cc_other (this)
63{ 63{
64 refcnt_inc (); // the socket is an external reference
65
66 mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead
67
64 { 68 {
65 struct linger linger_opt; 69 struct linger linger_opt;
66 70
67 linger_opt.l_onoff = 0; 71 linger_opt.l_onoff = 0;
68 linger_opt.l_linger = 0; 72 linger_opt.l_linger = 0;
… …
70 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 74 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
71 LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); 75 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
72 } 76 }
73 77
74 { 78 {
79 int val;
80
81#ifdef IP_TOS
75 int val = IPTOS_LOWDELAY; 82 val = IPTOS_LOWDELAY;
76
77 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) 83 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
78 LOG (llevError, "IP_TOS: %s\n", strerror (errno)); 84 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
79 } 85#endif
80 86
81 { 87#ifdef TCP_NODELAY
82 int val = 1; 88 val = 1;
83
84 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val))) 89 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)))
85 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno)); 90 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
91#endif
92
93 // set some very aggressive keepalive parameters
94#ifdef TCP_KEEPIDLE
95 val = 10;
96 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
97 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
98#endif
99
100#ifdef TCP_KEEPCNT
101 val = 5;
102 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
103 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
104#endif
105
106#ifdef TCP_KEEPINTVL
107 val = 1;
108 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
109 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
110#endif
111
112 // try to find the mss value in use
113#ifdef TCP_MAXSEG
114 socklen_t sl = sizeof (val);
115 if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val))
116 mss = val;
117#endif
86 } 118 }
87
88#ifdef __linux__
89 {
90 int val;
91
92 // set some very aggressive keepalive parameters
93 val = 10;
94 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
95 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
96
97 val = 5;
98 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
99 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
100
101 val = 1;
102 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
103 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
104 }
105#endif
106 119
107 { 120 {
108 int bufsize = 65535; /*Supposed absolute upper limit */ 121 int bufsize = 65535; /*Supposed absolute upper limit */
109 int oldbufsize; 122 int oldbufsize;
110 int buflen = sizeof (int); 123 int buflen = sizeof (int);
… …
127 mapmode = Map0Cmd; 140 mapmode = Map0Cmd;
128 darkness = 1; 141 darkness = 1;
129 mapx = 11; 142 mapx = 11;
130 mapy = 11; 143 mapy = 11;
131 itemcmd = 1; /* Default is version item1 command */ 144 itemcmd = 1; /* Default is version item1 command */
132 145 max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default
133 faces_sent = salloc0<uint8> (nrofpixmaps);
134 146
135 /* Do this so we don't send a face command for the client for 147 /* 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 148 * this face. Face 0 is sent to the client to say clear
137 * face information. 149 * face information.
138 */ 150 */
139 faces_sent[0] = NS_FACESENT_FACE; 151 faces_sent[0] = true;
140 152
141 // socket I/O is low priority
142 // we prefer to have the server run instead of handling client requests
143 socket_ev.prio (PE_PRIO_NORMAL + 1); 153 socket_ev.prio (PE_PRIO_NORMAL);
144 socket_ev.fd (fd); 154 socket_ev.fd (fd);
145 socket_ev.poll (PE_R); 155 socket_ev.poll (PE_R);
146 156
147 // command handling is even lower priority
148 // that way no client can monopolise the server
149 cmd_ev.prio (PE_PRIO_NORMAL + 2); 157 cmd_ev.prio (PE_PRIO_NORMAL);
150 158
151 // initialisation done, kick it! 159 // initialisation done, kick it!
152 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 160 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
153 flush (); 161 flush ();
154 162
155 // clients are externally referenced by the socket 163 reset_stats ();
156 refcnt_inc ();
157 clients.push_back (this);
158 164
159#if 0//TODO 165 clients.insert (this);
160 socket_info.nconns++;
161 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
162 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
163#endif
164} 166}
165 167
166client::~client () 168client::~client ()
167{ 169{
168 sockvec::iterator i = find (clients.begin (), clients.end (), this);
169 if (i != clients.end ())
170 clients.erase (i); 170 clients.erase (this);
171 171
172 sfree<uint8> (faces_sent, nrofpixmaps);
173 free (stats.range); 172 free (stats.range);
174 free (stats.title); 173 free (stats.title);
175 free (host); 174 free (host);
176} 175}
177 176
… …
182 181
183 if (pl) 182 if (pl)
184 pl->disconnect (); 183 pl->disconnect ();
185 184
186 if (fd >= 0) 185 if (fd >= 0)
186 {
187 send_packet ("goodbye");
188 flush ();
189
187 close (fd); 190 close (fd);
191 }
188 192
189 state = ST_DEAD; 193 state = ST_DEAD;
190 194
191 socket_ev.suspend (); 195 socket_ev.suspend ();
192 cmd_ev.suspend (); 196 cmd_ev.suspend ();
193 197
194 // socket now longer references us 198 refcnt_dec (); // socket no longer open
195 refcnt_dec (); 199}
200
201void
202client::reset_stats ()
203{
204 /* we need to clear these to -1 and not zero - otherwise,
205 * if a player quits and starts a new character, we wont
206 * send new values to the client, as things like exp start
207 * at zero.
208 */
209 for (int i = 0; i < NUM_SKILLS; i++)
210 last_skill_exp[i] = -1;
211
212 for (int i = 0; i < NROFATTACKS; i++)
213 last_resist[i] = -1;
214
215 last_weapon_sp = -1;
216 last_level = -1;
217 last_stats.exp = -1;
218 last_weight = (uint32) - 1;
219 last_flags = 0;
220 last_weight = 0;
221 last_weight_limit = 0;
222 last_path_attuned = 0;
223 last_path_repelled = 0;
224 last_path_denied = 0;
225 last_speed = 0;
226 flags = 0;
227
228 static living zero_living;
229 last_stats = zero_living;
196} 230}
197 231
198/** This sets up the socket and reads all the image information into memory. */ 232/** This sets up the socket and reads all the image information into memory. */
199void 233void
200init_ericserver (void) 234init_ericserver (void)
201{ 235{
202 cst_tot.time_start = time (NULL); 236 cst_tot.time_start = time (NULL);
203 cst_lst.time_start = time (NULL); 237 cst_lst.time_start = time (NULL);
204 238
205 LOG (llevDebug, "Initialize new client/server data\n"); 239 LOG (llevDebug, "Initialize new client/server data\n");
206
207 read_client_images ();
208} 240}
209 241
210 242
211/******************************************************************************* 243/*******************************************************************************
212 * 244 *
… …
223} 255}
224 256
225client * 257client *
226client::create (int fd, const char *peername) 258client::create (int fd, const char *peername)
227{ 259{
228 if (checkbanned (NULL, peername))
229 {
230 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
231 return 0;
232 }
233 else
234 {
235 client *ns = new client (dup (fd), peername); 260 client *ns = new client (dup (fd), peername);
236
237 ns->instantiate (); // effectively a nop right now 261 ns->instantiate (); // effectively a nop right now
238
239 INVOKE_CLIENT (CONNECT, ns); 262 INVOKE_CLIENT (CONNECT, ns);
240
241 return ns; 263 return ns;
242 }
243} 264}
244 265

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