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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2001,2007 Mark Wedel |
|
|
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
|
|
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 |
|
|
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 |
|
|
26 | * Socket general functions |
24 | * Socket general functions |
27 | * |
|
|
28 | * \date 2003-12-02 |
|
|
29 | * |
|
|
30 | * Mainly deals with initialization and higher level socket |
|
|
31 | * maintenance (checking for lost connections and if data has arrived.) |
|
|
32 | * The reading of data is handled in ericserver.c |
|
|
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> |
… | |
… | |
66 | { |
58 | { |
67 | refcnt_inc (); // the socket is an external reference |
59 | refcnt_inc (); // the socket is an external reference |
68 | |
60 | |
69 | 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 |
70 | |
62 | |
|
|
63 | socket_timeout = 16.; |
|
|
64 | |
71 | { |
65 | { |
72 | struct linger linger_opt; |
66 | struct linger linger_opt; |
73 | |
67 | |
74 | linger_opt.l_onoff = 0; |
68 | linger_opt.l_onoff = 0; |
75 | linger_opt.l_linger = 0; |
69 | linger_opt.l_linger = 0; |
… | |
… | |
130 | 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)) |
131 | mss = val; |
125 | mss = val; |
132 | #endif |
126 | #endif |
133 | } |
127 | } |
134 | |
128 | |
135 | { |
|
|
136 | int bufsize = 65535; /*Supposed absolute upper limit */ |
|
|
137 | int oldbufsize; |
|
|
138 | int buflen = sizeof (int); |
|
|
139 | |
|
|
140 | if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) |
129 | if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) |
141 | LOG (llevError, "InitConnection: Error on fcntl.\n"); |
130 | LOG (llevError, "InitConnection: Error on fcntl.\n"); |
142 | |
|
|
143 | if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) |
|
|
144 | oldbufsize = 0; |
|
|
145 | |
|
|
146 | if (oldbufsize < bufsize) |
|
|
147 | if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) |
|
|
148 | LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize); |
|
|
149 | |
|
|
150 | buflen = sizeof (oldbufsize); |
|
|
151 | getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); |
|
|
152 | } |
|
|
153 | |
131 | |
154 | state = ST_SETUP; |
132 | state = ST_SETUP; |
155 | mapmode = Map0Cmd; |
|
|
156 | darkness = 1; |
|
|
157 | mapx = 11; |
133 | mapx = 11; |
158 | mapy = 11; |
134 | mapy = 11; |
159 | itemcmd = 1; /* Default is version item1 command */ |
135 | itemcmd = 1; /* Default is version item1 command */ |
160 | max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default |
136 | max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default |
161 | |
137 | |
… | |
… | |
164 | * face information. |
140 | * face information. |
165 | */ |
141 | */ |
166 | faces_sent[0] = true; |
142 | faces_sent[0] = true; |
167 | fx_want [FT_FACE] = true; // all clients must support image faces |
143 | fx_want [FT_FACE] = true; // all clients must support image faces |
168 | |
144 | |
169 | socket_ev.prio (PE_PRIO_HIGH); |
145 | socket_ev.set (fd, EV_READ); |
|
|
146 | socket_ev.prio (2); // one higher than the ticker priority |
170 | socket_ev.fd (fd); |
147 | socket_ev.start (); |
171 | socket_ev.poll (PE_R); |
|
|
172 | |
148 | |
173 | // initialisation done, kick it! |
149 | // initialisation done, kick it! |
174 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
150 | INVOKE_CLIENT (CONNECT, this); |
|
|
151 | |
175 | flush (); |
152 | flush (); |
176 | |
153 | |
177 | reset_stats (); |
154 | reset_stats (); |
178 | |
155 | |
179 | clients.insert (this); |
156 | clients.insert (this); |
… | |
… | |
190 | } |
167 | } |
191 | |
168 | |
192 | void |
169 | void |
193 | client::do_destroy () |
170 | client::do_destroy () |
194 | { |
171 | { |
|
|
172 | INVOKE_CLIENT (CLIENT_DESTROY, this); |
195 | attachable::do_destroy (); |
173 | attachable::do_destroy (); |
196 | |
174 | |
197 | if (pl) |
175 | if (pl) |
198 | pl->disconnect (); |
176 | pl->disconnect (); |
199 | |
177 | |
… | |
… | |
205 | close (fd); |
183 | close (fd); |
206 | } |
184 | } |
207 | |
185 | |
208 | state = ST_DEAD; |
186 | state = ST_DEAD; |
209 | |
187 | |
210 | socket_ev.suspend (); |
188 | socket_ev.stop (); |
211 | |
189 | |
212 | refcnt_dec (); // socket no longer open |
190 | refcnt_dec (); // socket no longer open |
213 | } |
191 | } |
214 | |
192 | |
215 | void |
193 | void |
… | |
… | |
218 | /* we need to clear these to -1 and not zero - otherwise, |
196 | /* we need to clear these to -1 and not zero - otherwise, |
219 | * if a player quits and starts a new character, we wont |
197 | * if a player quits and starts a new character, we wont |
220 | * send new values to the client, as things like exp start |
198 | * send new values to the client, as things like exp start |
221 | * at zero. |
199 | * at zero. |
222 | */ |
200 | */ |
223 | for (int i = 0; i < NUM_SKILLS; i++) |
201 | for (int i = 0; i < array_length (last_skill_exp); i++) |
224 | last_skill_exp[i] = -1; |
202 | last_skill_exp[i] = -1; |
225 | |
203 | |
226 | for (int i = 0; i < NROFATTACKS; i++) |
204 | for (int i = 0; i < array_length (last_resist); i++) |
227 | last_resist[i] = -1; |
205 | last_resist[i] = -1; |
228 | |
206 | |
229 | last_weapon_sp = -1; |
207 | last_weapon_sp = -1; |
230 | last_level = -1; |
208 | last_level = -1; |
231 | last_stats.exp = -1; |
209 | last_stats.exp = -1; |
232 | last_weight = (uint32) - 1; |
|
|
233 | last_flags = 0; |
210 | last_flags = 0; |
234 | last_weight = 0; |
211 | last_weight = -1; |
235 | last_weight_limit = 0; |
212 | last_weight_limit = 0; |
236 | last_path_attuned = 0; |
213 | last_path_attuned = 0; |
237 | last_path_repelled = 0; |
214 | last_path_repelled = 0; |
238 | last_path_denied = 0; |
215 | last_path_denied = 0; |
239 | last_speed = 0; |
216 | last_speed = 0; |
240 | last_flags = 0; |
217 | last_flags = 0; |
241 | |
218 | |
242 | static living zero_living; |
219 | static living zero_living; |
243 | last_stats = zero_living; |
220 | last_stats = zero_living; |
244 | } |
221 | } |
245 | |
222 | |
246 | client * |
223 | client * |
247 | client::create (int fd, const char *peername) |
224 | client::create (int fd, const char *peername) |
248 | { |
225 | { |
249 | client *ns = new client (dup (fd), peername); |
226 | client *ns = new client (dup (fd), peername); |
|
|
227 | |
250 | ns->instantiate (); // effectively a nop right now |
228 | ns->instantiate (); // effectively a nop right now |
251 | INVOKE_CLIENT (CONNECT, ns); |
229 | |
252 | return ns; |
230 | return ns; |
253 | } |
231 | } |
254 | |
232 | |