1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2001,2007 Mark Wedel |
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6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
5 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
9 | * option) any later version. |
12 | * |
10 | * |
13 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
17 | * |
15 | * |
18 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
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 <support@deliantra.net> |
22 | */ |
21 | */ |
23 | |
22 | |
24 | /** |
23 | /* |
25 | * \file |
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26 | * Socket general functions |
24 | * Socket general functions |
27 | * |
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28 | * \date 2003-12-02 |
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29 | * |
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30 | * Mainly deals with initialization and higher level socket |
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31 | * maintenance (checking for lost connections and if data has arrived.) |
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32 | * The reading of data is handled in ericserver.c |
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33 | */ |
25 | */ |
34 | |
26 | |
35 | #include <global.h> |
27 | #include <global.h> |
36 | #include <sproto.h> |
28 | #include <sproto.h> |
37 | #include <sys/types.h> |
29 | #include <sys/types.h> |
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60 | * socket setup is handled elsewhere. We do send a version to the |
52 | * socket setup is handled elsewhere. We do send a version to the |
61 | * client. |
53 | * client. |
62 | */ |
54 | */ |
63 | client::client (int fd, const char *peername) |
55 | client::client (int fd, const char *peername) |
64 | : fd (fd), host (strdup (peername)), |
56 | : fd (fd), host (strdup (peername)), |
65 | socket_ev (this, &client::socket_cb), |
57 | socket_ev (this, &client::socket_cb) |
66 | cmd_ev (this, &client::cmd_cb) |
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67 | { |
58 | { |
68 | refcnt_inc (); // the socket is an external reference |
59 | refcnt_inc (); // the socket is an external reference |
69 | |
60 | |
70 | mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead |
61 | mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead |
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62 | |
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63 | socket_timeout = 16.; |
71 | |
64 | |
72 | { |
65 | { |
73 | struct linger linger_opt; |
66 | struct linger linger_opt; |
74 | |
67 | |
75 | linger_opt.l_onoff = 0; |
68 | linger_opt.l_onoff = 0; |
… | |
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131 | if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val)) |
124 | if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val)) |
132 | mss = val; |
125 | mss = val; |
133 | #endif |
126 | #endif |
134 | } |
127 | } |
135 | |
128 | |
136 | { |
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137 | int bufsize = 65535; /*Supposed absolute upper limit */ |
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138 | int oldbufsize; |
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139 | int buflen = sizeof (int); |
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140 | |
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141 | if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) |
129 | if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) |
142 | LOG (llevError, "InitConnection: Error on fcntl.\n"); |
130 | LOG (llevError, "InitConnection: Error on fcntl.\n"); |
143 | |
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144 | if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) |
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145 | oldbufsize = 0; |
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146 | |
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147 | if (oldbufsize < bufsize) |
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148 | if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) |
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149 | LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize); |
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150 | |
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151 | buflen = sizeof (oldbufsize); |
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152 | getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); |
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153 | } |
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154 | |
131 | |
155 | state = ST_SETUP; |
132 | state = ST_SETUP; |
156 | mapmode = Map0Cmd; |
133 | mapmode = Map1aCmd; |
157 | darkness = 1; |
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158 | mapx = 11; |
134 | mapx = 11; |
159 | mapy = 11; |
135 | mapy = 11; |
160 | itemcmd = 1; /* Default is version item1 command */ |
136 | itemcmd = 1; /* Default is version item1 command */ |
161 | max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default |
137 | max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default |
162 | |
138 | |
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165 | * face information. |
141 | * face information. |
166 | */ |
142 | */ |
167 | faces_sent[0] = true; |
143 | faces_sent[0] = true; |
168 | fx_want [FT_FACE] = true; // all clients must support image faces |
144 | fx_want [FT_FACE] = true; // all clients must support image faces |
169 | |
145 | |
170 | socket_ev.prio (PE_PRIO_NORMAL); |
146 | socket_ev.set (fd, EV_READ); |
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147 | socket_ev.prio (2); // one higher than the ticker priority |
171 | socket_ev.fd (fd); |
148 | socket_ev.start (); |
172 | socket_ev.poll (PE_R); |
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173 | |
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174 | cmd_ev.prio (PE_PRIO_NORMAL); |
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175 | |
149 | |
176 | // initialisation done, kick it! |
150 | // initialisation done, kick it! |
177 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
151 | INVOKE_CLIENT (CONNECT, this); |
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152 | |
178 | flush (); |
153 | flush (); |
179 | |
154 | |
180 | reset_stats (); |
155 | reset_stats (); |
181 | |
156 | |
182 | clients.insert (this); |
157 | clients.insert (this); |
… | |
… | |
184 | |
159 | |
185 | client::~client () |
160 | client::~client () |
186 | { |
161 | { |
187 | clients.erase (this); |
162 | clients.erase (this); |
188 | |
163 | |
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164 | mapinfo_queue_clear (); |
189 | free (stats.range); |
165 | free (stats.range); |
190 | free (stats.title); |
166 | free (stats.title); |
191 | free (host); |
167 | free (host); |
192 | } |
168 | } |
193 | |
169 | |
194 | void |
170 | void |
195 | client::do_destroy () |
171 | client::do_destroy () |
196 | { |
172 | { |
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173 | INVOKE_CLIENT (CLIENT_DESTROY, this); |
197 | attachable::do_destroy (); |
174 | attachable::do_destroy (); |
198 | |
175 | |
199 | if (pl) |
176 | if (pl) |
200 | pl->disconnect (); |
177 | pl->disconnect (); |
201 | |
178 | |
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207 | close (fd); |
184 | close (fd); |
208 | } |
185 | } |
209 | |
186 | |
210 | state = ST_DEAD; |
187 | state = ST_DEAD; |
211 | |
188 | |
212 | socket_ev.suspend (); |
189 | socket_ev.stop (); |
213 | cmd_ev.suspend (); |
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214 | |
190 | |
215 | refcnt_dec (); // socket no longer open |
191 | refcnt_dec (); // socket no longer open |
216 | } |
192 | } |
217 | |
193 | |
218 | void |
194 | void |
… | |
… | |
230 | last_resist[i] = -1; |
206 | last_resist[i] = -1; |
231 | |
207 | |
232 | last_weapon_sp = -1; |
208 | last_weapon_sp = -1; |
233 | last_level = -1; |
209 | last_level = -1; |
234 | last_stats.exp = -1; |
210 | last_stats.exp = -1; |
235 | last_weight = (uint32) - 1; |
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236 | last_flags = 0; |
211 | last_flags = 0; |
237 | last_weight = 0; |
212 | last_weight = -1; |
238 | last_weight_limit = 0; |
213 | last_weight_limit = 0; |
239 | last_path_attuned = 0; |
214 | last_path_attuned = 0; |
240 | last_path_repelled = 0; |
215 | last_path_repelled = 0; |
241 | last_path_denied = 0; |
216 | last_path_denied = 0; |
242 | last_speed = 0; |
217 | last_speed = 0; |
… | |
… | |
248 | |
223 | |
249 | client * |
224 | client * |
250 | client::create (int fd, const char *peername) |
225 | client::create (int fd, const char *peername) |
251 | { |
226 | { |
252 | client *ns = new client (dup (fd), peername); |
227 | client *ns = new client (dup (fd), peername); |
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228 | |
253 | ns->instantiate (); // effectively a nop right now |
229 | ns->instantiate (); // effectively a nop right now |
254 | INVOKE_CLIENT (CONNECT, ns); |
230 | |
255 | return ns; |
231 | return ns; |
256 | } |
232 | } |
257 | |
233 | |