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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
5 | * Copyright (©) 2001,2007 Mark Wedel |
5 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
6 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
7 | * 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 |
8 | * 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 |
9 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
10 | * option) any later version. |
12 | * |
11 | * |
13 | * This program is distributed in the hope that it will be useful, |
12 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
15 | * GNU General Public License for more details. |
17 | * |
16 | * |
18 | * You should have received a copy of the GNU General Public License |
17 | * 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/>. |
18 | * and the GNU General Public License along with this program. If not, see |
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19 | * <http://www.gnu.org/licenses/>. |
20 | * |
20 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
22 | */ |
23 | |
23 | |
24 | /** |
24 | /* |
25 | * \file |
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26 | * Socket general functions |
25 | * 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 | */ |
26 | */ |
34 | |
27 | |
35 | #include <global.h> |
28 | #include <global.h> |
36 | #include <sproto.h> |
29 | #include <sproto.h> |
37 | #include <sys/types.h> |
30 | #include <sys/types.h> |
… | |
… | |
66 | { |
59 | { |
67 | refcnt_inc (); // the socket is an external reference |
60 | refcnt_inc (); // the socket is an external reference |
68 | |
61 | |
69 | mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead |
62 | mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead |
70 | |
63 | |
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64 | socket_timeout = 16.; |
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65 | |
71 | { |
66 | { |
72 | struct linger linger_opt; |
67 | struct linger linger_opt; |
73 | |
68 | |
74 | linger_opt.l_onoff = 0; |
69 | linger_opt.l_onoff = 0; |
75 | linger_opt.l_linger = 0; |
70 | linger_opt.l_linger = 0; |
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130 | if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val)) |
125 | if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val)) |
131 | mss = val; |
126 | mss = val; |
132 | #endif |
127 | #endif |
133 | } |
128 | } |
134 | |
129 | |
135 | { |
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136 | int bufsize = 65535; /*Supposed absolute upper limit */ |
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137 | int oldbufsize; |
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138 | int buflen = sizeof (int); |
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139 | |
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140 | if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) |
130 | if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) |
141 | LOG (llevError, "InitConnection: Error on fcntl.\n"); |
131 | LOG (llevError, "InitConnection: Error on fcntl.\n"); |
142 | |
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143 | if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) |
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144 | oldbufsize = 0; |
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145 | |
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146 | if (oldbufsize < bufsize) |
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147 | if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) |
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148 | LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize); |
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149 | |
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150 | buflen = sizeof (oldbufsize); |
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151 | getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); |
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152 | } |
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153 | |
132 | |
154 | state = ST_SETUP; |
133 | state = ST_SETUP; |
155 | mapmode = Map0Cmd; |
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156 | darkness = 1; |
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157 | mapx = 11; |
134 | mapx = 11; |
158 | mapy = 11; |
135 | mapy = 11; |
159 | itemcmd = 1; /* Default is version item1 command */ |
136 | itemcmd = 1; /* Default is version item1 command */ |
160 | max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default |
137 | max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default |
161 | |
138 | |
162 | /* Do this so we don't send a face command for the client for |
139 | /* Do this so we don't send a face command for the client for |
163 | * this face. Face 0 is sent to the client to say clear |
140 | * this face. Face 0 is sent to the client to set meta data |
164 | * face information. |
141 | * for following faces in fx. |
165 | */ |
142 | */ |
166 | faces_sent[0] = true; |
143 | faces_sent[0] = true; |
167 | fx_want [FT_FACE] = true; // all clients must support image faces |
144 | fx_want [FT_IMAGE] = true; // all clients must support image faces |
168 | |
145 | |
169 | socket_ev.prio (PE_PRIO_HIGH); |
146 | socket_ev.set (fd, EV_READ); |
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147 | socket_ev.prio (2); // one higher than the ticker priority |
170 | socket_ev.fd (fd); |
148 | socket_ev.start (); |
171 | socket_ev.poll (PE_R); |
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172 | |
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173 | // initialisation done, kick it! |
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174 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
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175 | flush (); |
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176 | |
149 | |
177 | reset_stats (); |
150 | reset_stats (); |
178 | |
151 | |
179 | clients.insert (this); |
152 | clients.insert (this); |
180 | } |
153 | } |
181 | |
154 | |
182 | client::~client () |
155 | client::~client () |
183 | { |
156 | { |
184 | clients.erase (this); |
157 | clients.erase (this); |
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158 | |
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159 | while (!ixface.empty ()) |
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160 | ix_pop (); |
185 | |
161 | |
186 | mapinfo_queue_clear (); |
162 | mapinfo_queue_clear (); |
187 | free (stats.range); |
163 | free (stats.range); |
188 | free (stats.title); |
164 | free (stats.title); |
189 | free (host); |
165 | free (host); |
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166 | free (ws_inbuf); |
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167 | } |
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168 | |
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169 | void |
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170 | client::run () |
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171 | { |
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172 | // initialisation done, kick it! |
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173 | INVOKE_CLIENT (CONNECT, this); |
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174 | |
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175 | flush (); |
190 | } |
176 | } |
191 | |
177 | |
192 | void |
178 | void |
193 | client::do_destroy () |
179 | client::do_destroy () |
194 | { |
180 | { |
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181 | INVOKE_CLIENT (CLIENT_DESTROY, this); |
195 | attachable::do_destroy (); |
182 | attachable::do_destroy (); |
196 | |
183 | |
197 | if (pl) |
184 | if (pl) |
198 | pl->disconnect (); |
185 | pl->disconnect (); |
199 | |
186 | |
… | |
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205 | close (fd); |
192 | close (fd); |
206 | } |
193 | } |
207 | |
194 | |
208 | state = ST_DEAD; |
195 | state = ST_DEAD; |
209 | |
196 | |
210 | socket_ev.suspend (); |
197 | socket_ev.stop (); |
211 | |
198 | |
212 | refcnt_dec (); // socket no longer open |
199 | refcnt_dec (); // socket no longer open |
213 | } |
200 | } |
214 | |
201 | |
215 | void |
202 | void |
… | |
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218 | /* we need to clear these to -1 and not zero - otherwise, |
205 | /* we need to clear these to -1 and not zero - otherwise, |
219 | * if a player quits and starts a new character, we wont |
206 | * if a player quits and starts a new character, we wont |
220 | * send new values to the client, as things like exp start |
207 | * send new values to the client, as things like exp start |
221 | * at zero. |
208 | * at zero. |
222 | */ |
209 | */ |
223 | for (int i = 0; i < NUM_SKILLS; i++) |
210 | for (int i = 0; i < array_length (last_skill_exp); i++) |
224 | last_skill_exp[i] = -1; |
211 | last_skill_exp[i] = -1; |
225 | |
212 | |
226 | for (int i = 0; i < NROFATTACKS; i++) |
213 | for (int i = 0; i < array_length (last_resist); i++) |
227 | last_resist[i] = -1; |
214 | last_resist[i] = -1; |
228 | |
215 | |
229 | last_weapon_sp = -1; |
216 | last_weapon_sp = -1; |
230 | last_level = -1; |
217 | last_level = -1; |
231 | last_stats.exp = -1; |
218 | last_stats.exp = -1; |
232 | last_weight = (uint32) - 1; |
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233 | last_flags = 0; |
219 | last_flags = 0; |
234 | last_weight = 0; |
220 | last_weight = -1; |
235 | last_weight_limit = 0; |
221 | last_weight_limit = 0; |
236 | last_path_attuned = 0; |
222 | last_path_attuned = 0; |
237 | last_path_repelled = 0; |
223 | last_path_repelled = 0; |
238 | last_path_denied = 0; |
224 | last_path_denied = 0; |
239 | last_speed = 0; |
225 | last_speed = 0; |
240 | last_flags = 0; |
226 | last_flags = 0; |
241 | |
227 | |
242 | static living zero_living; |
228 | static living zero_living; |
243 | last_stats = zero_living; |
229 | last_stats = zero_living; |
244 | } |
230 | } |
245 | |
231 | |
246 | client * |
232 | client * |
247 | client::create (int fd, const char *peername) |
233 | client::create (int fd, const char *peername) |
248 | { |
234 | { |
249 | client *ns = new client (dup (fd), peername); |
235 | client *ns = new client (dup (fd), peername); |
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236 | |
250 | ns->instantiate (); // effectively a nop right now |
237 | ns->instantiate (); // effectively a nop right now |
251 | INVOKE_CLIENT (CONNECT, ns); |
238 | |
252 | return ns; |
239 | return ns; |
253 | } |
240 | } |
254 | |
241 | |