1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
3 | |
3 | |
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4 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | Copyright (C) 2001 Mark Wedel |
5 | Copyright (C) 2001 Mark Wedel |
5 | Copyright (C) 1992 Frank Tore Johansen |
6 | Copyright (C) 1992 Frank Tore Johansen |
6 | |
7 | |
7 | 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 |
8 | 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 |
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29 | * |
30 | * |
30 | * Mainly deals with initialization and higher level socket |
31 | * Mainly deals with initialization and higher level socket |
31 | * maintenance (checking for lost connections and if data has arrived.) |
32 | * maintenance (checking for lost connections and if data has arrived.) |
32 | * The reading of data is handled in ericserver.c |
33 | * The reading of data is handled in ericserver.c |
33 | */ |
34 | */ |
34 | |
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35 | |
35 | |
36 | #include <global.h> |
36 | #include <global.h> |
37 | #include <sproto.h> |
37 | #include <sproto.h> |
38 | #include <sys/types.h> |
38 | #include <sys/types.h> |
39 | #include <sys/time.h> |
39 | #include <sys/time.h> |
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43 | #include <netinet/ip.h> |
43 | #include <netinet/ip.h> |
44 | #include <netdb.h> |
44 | #include <netdb.h> |
45 | |
45 | |
46 | #include <unistd.h> |
46 | #include <unistd.h> |
47 | #include <arpa/inet.h> |
47 | #include <arpa/inet.h> |
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48 | |
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49 | #include <algorithm> |
48 | |
50 | |
49 | sockvec clients; |
51 | sockvec clients; |
50 | |
52 | |
51 | /** |
53 | /** |
52 | * Initializes a connection. Really, it just sets up the data structure, |
54 | * Initializes a connection. Really, it just sets up the data structure, |
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57 | : fd (fd), host (strdup (peername)), |
59 | : fd (fd), host (strdup (peername)), |
58 | socket_ev (this, &client::socket_cb), |
60 | socket_ev (this, &client::socket_cb), |
59 | cmd_ev (this, &client::cmd_cb), |
61 | cmd_ev (this, &client::cmd_cb), |
60 | cc_inv (this), cc_other (this) |
62 | cc_inv (this), cc_other (this) |
61 | { |
63 | { |
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64 | refcnt_inc (); // the socket is an external reference |
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65 | |
62 | { |
66 | { |
63 | struct linger linger_opt; |
67 | struct linger linger_opt; |
64 | |
68 | |
65 | linger_opt.l_onoff = 0; |
69 | linger_opt.l_onoff = 0; |
66 | linger_opt.l_linger = 0; |
70 | linger_opt.l_linger = 0; |
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119 | |
123 | |
120 | buflen = sizeof (oldbufsize); |
124 | buflen = sizeof (oldbufsize); |
121 | getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); |
125 | getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); |
122 | } |
126 | } |
123 | |
127 | |
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128 | state = ST_SETUP; |
124 | mapmode = Map0Cmd; |
129 | mapmode = Map0Cmd; |
125 | darkness = 1; |
130 | darkness = 1; |
126 | status = Ns_Add; |
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127 | mapx = 11; |
131 | mapx = 11; |
128 | mapy = 11; |
132 | mapy = 11; |
129 | itemcmd = 1; /* Default is version item1 command */ |
133 | itemcmd = 1; /* Default is version item1 command */ |
130 | |
134 | |
131 | faces_sent = salloc<uint8> (nrofpixmaps, 0); |
135 | faces_sent = salloc0<uint8> (nrofpixmaps); |
132 | |
136 | |
133 | /* Do this so we don't send a face command for the client for |
137 | /* Do this so we don't send a face command for the client for |
134 | * this face. Face 0 is sent to the client to say clear |
138 | * this face. Face 0 is sent to the client to say clear |
135 | * face information. |
139 | * face information. |
136 | */ |
140 | */ |
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148 | |
152 | |
149 | // initialisation done, kick it! |
153 | // initialisation done, kick it! |
150 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
154 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
151 | flush (); |
155 | flush (); |
152 | |
156 | |
153 | #if 0//TODO |
157 | reset_stats (); |
154 | socket_info.nconns++; |
158 | |
155 | if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns; |
159 | clients.insert (this); |
156 | if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns; |
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157 | #endif |
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158 | } |
160 | } |
159 | |
161 | |
160 | client::~client () |
162 | client::~client () |
161 | { |
163 | { |
162 | if (pl) |
164 | clients.erase (this); |
163 | pl->socket = 0; |
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164 | |
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165 | if (fd >= 0) |
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166 | close (fd); |
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167 | |
165 | |
168 | sfree<uint8> (faces_sent, nrofpixmaps); |
166 | sfree<uint8> (faces_sent, nrofpixmaps); |
169 | free (stats.range); |
167 | free (stats.range); |
170 | free (stats.title); |
168 | free (stats.title); |
171 | free (host); |
169 | free (host); |
172 | } |
170 | } |
173 | |
171 | |
174 | void |
172 | void |
175 | client::destroy () |
173 | client::do_destroy () |
176 | { |
174 | { |
177 | status = Ns_Dead; |
175 | attachable::do_destroy (); |
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176 | |
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177 | if (pl) |
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178 | pl->disconnect (); |
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179 | |
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180 | if (fd >= 0) |
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181 | { |
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182 | send_packet ("goodbye"); |
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183 | flush (); |
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184 | |
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185 | close (fd); |
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186 | } |
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187 | |
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188 | state = ST_DEAD; |
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189 | |
178 | socket_ev.suspend (); |
190 | socket_ev.suspend (); |
179 | cmd_ev.suspend (); |
191 | cmd_ev.suspend (); |
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192 | |
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193 | refcnt_dec (); // socket no longer open |
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194 | } |
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195 | |
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196 | void |
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197 | client::reset_stats () |
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198 | { |
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199 | /* we need to clear these to -1 and not zero - otherwise, |
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200 | * if a player quits and starts a new character, we wont |
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201 | * send new values to the client, as things like exp start |
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202 | * at zero. |
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203 | */ |
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204 | for (int i = 0; i < NUM_SKILLS; i++) |
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205 | last_skill_exp[i] = -1; |
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206 | |
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207 | for (int i = 0; i < NROFATTACKS; i++) |
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208 | last_resist[i] = -1; |
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209 | |
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210 | last_weapon_sp = -1; |
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211 | last_level = -1; |
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212 | last_stats.exp = -1; |
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213 | last_weight = (uint32) - 1; |
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214 | last_flags = 0; |
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215 | last_weight = 0; |
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216 | last_weight_limit = 0; |
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217 | last_path_attuned = 0; |
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218 | last_path_repelled = 0; |
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219 | last_path_denied = 0; |
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220 | last_speed = 0; |
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221 | flags = 0; |
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222 | |
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223 | static living zero_living; |
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224 | last_stats = zero_living; |
180 | } |
225 | } |
181 | |
226 | |
182 | /** This sets up the socket and reads all the image information into memory. */ |
227 | /** This sets up the socket and reads all the image information into memory. */ |
183 | void |
228 | void |
184 | init_ericserver (void) |
229 | init_ericserver (void) |
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204 | { |
249 | { |
205 | LOG (llevDebug, "Freeing all new client/server information.\n"); |
250 | LOG (llevDebug, "Freeing all new client/server information.\n"); |
206 | free_socket_images (); |
251 | free_socket_images (); |
207 | } |
252 | } |
208 | |
253 | |
209 | /** Sends the 'goodbye' command to the player, and closes connection. */ |
254 | client * |
210 | void |
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211 | final_free_player (player *pl) |
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212 | { |
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213 | free_player (pl); |
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214 | } |
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215 | |
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216 | bool |
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217 | add_client (int fd, const char *peername) |
255 | client::create (int fd, const char *peername) |
218 | { |
256 | { |
219 | if (checkbanned (NULL, peername)) |
257 | if (checkbanned (NULL, peername)) |
220 | { |
258 | { |
221 | LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); |
259 | LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); |
222 | return false; |
260 | return 0; |
223 | } |
261 | } |
224 | else |
262 | else |
225 | { |
263 | { |
226 | client *ns = new client (dup (fd), peername); |
264 | client *ns = new client (dup (fd), peername); |
227 | clients.push_back (ns); |
265 | |
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266 | ns->instantiate (); // effectively a nop right now |
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267 | |
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268 | INVOKE_CLIENT (CONNECT, ns); |
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269 | |
228 | return true; |
270 | return ns; |
229 | } |
271 | } |
230 | } |
272 | } |
231 | |
273 | |