| 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 |
| … | |
… | |
| 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> |
| … | |
… | |
| 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, |
| … | |
… | |
| 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; |
| … | |
… | |
| 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 | */ |
| … | |
… | |
| 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 | clients.insert (this); |
| 154 | socket_info.nconns++; |
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| 155 | if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns; |
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| 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 | } |
158 | } |
| 159 | |
159 | |
| 160 | client::~client () |
160 | client::~client () |
| 161 | { |
161 | { |
| 162 | if (pl) |
162 | 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 | |
163 | |
| 168 | sfree<uint8> (faces_sent, nrofpixmaps); |
164 | sfree<uint8> (faces_sent, nrofpixmaps); |
| 169 | free (stats.range); |
165 | free (stats.range); |
| 170 | free (stats.title); |
166 | free (stats.title); |
| 171 | free (host); |
167 | free (host); |
| 172 | } |
168 | } |
| 173 | |
169 | |
| 174 | void |
170 | void |
| 175 | client::destroy () |
171 | client::do_destroy () |
| 176 | { |
172 | { |
| 177 | status = Ns_Dead; |
173 | attachable::do_destroy (); |
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174 | |
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175 | if (pl) |
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176 | pl->disconnect (); |
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177 | |
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178 | if (fd >= 0) |
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179 | { |
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180 | send_packet ("goodbye"); |
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181 | flush (); |
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182 | |
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183 | close (fd); |
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184 | } |
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185 | |
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186 | state = ST_DEAD; |
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187 | |
| 178 | socket_ev.suspend (); |
188 | socket_ev.suspend (); |
| 179 | cmd_ev.suspend (); |
189 | cmd_ev.suspend (); |
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190 | |
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191 | refcnt_dec (); // socket no longer open |
| 180 | } |
192 | } |
| 181 | |
193 | |
| 182 | /** This sets up the socket and reads all the image information into memory. */ |
194 | /** This sets up the socket and reads all the image information into memory. */ |
| 183 | void |
195 | void |
| 184 | init_ericserver (void) |
196 | init_ericserver (void) |
| … | |
… | |
| 204 | { |
216 | { |
| 205 | LOG (llevDebug, "Freeing all new client/server information.\n"); |
217 | LOG (llevDebug, "Freeing all new client/server information.\n"); |
| 206 | free_socket_images (); |
218 | free_socket_images (); |
| 207 | } |
219 | } |
| 208 | |
220 | |
| 209 | /** Sends the 'goodbye' command to the player, and closes connection. */ |
221 | 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) |
222 | client::create (int fd, const char *peername) |
| 218 | { |
223 | { |
| 219 | if (checkbanned (NULL, peername)) |
224 | if (checkbanned (NULL, peername)) |
| 220 | { |
225 | { |
| 221 | LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); |
226 | LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); |
| 222 | return false; |
227 | return 0; |
| 223 | } |
228 | } |
| 224 | else |
229 | else |
| 225 | { |
230 | { |
| 226 | client *ns = new client (dup (fd), peername); |
231 | client *ns = new client (dup (fd), peername); |
| 227 | clients.push_back (ns); |
232 | |
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233 | ns->instantiate (); // effectively a nop right now |
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234 | |
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235 | INVOKE_CLIENT (CONNECT, ns); |
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236 | |
| 228 | return true; |
237 | return ns; |
| 229 | } |
238 | } |
| 230 | } |
239 | } |
| 231 | |
240 | |
