1 | |
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2 | /* |
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3 | * static char *rcsid_loop_c = |
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4 | * "$Id: loop.C,v 1.5 2006/09/09 21:48:29 root Exp $"; |
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5 | */ |
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6 | |
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7 | /* |
1 | /* |
8 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
9 | |
3 | |
10 | Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team |
4 | Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team |
11 | Copyright (C) 1992 Frank Tore Johansen |
5 | Copyright (C) 1992 Frank Tore Johansen |
… | |
… | |
22 | |
16 | |
23 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
24 | along with this program; if not, write to the Free Software |
18 | along with this program; if not, write to the Free Software |
25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
26 | |
20 | |
27 | The author can be reached via e-mail to crossfire-devel@real-time.com |
21 | The author can be reached via e-mail to <crossfire@schmorp.de> |
28 | */ |
22 | */ |
29 | |
23 | |
30 | /** |
24 | /** |
31 | * \file |
25 | * \file |
32 | * Main client/server loops. |
26 | * Main client/server loops. |
… | |
… | |
38 | * The reading of data is handled in ericserver.c |
32 | * The reading of data is handled in ericserver.c |
39 | */ |
33 | */ |
40 | |
34 | |
41 | |
35 | |
42 | #include <global.h> |
36 | #include <global.h> |
43 | #ifndef __CEXTRACT__ |
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44 | #include <sproto.h> |
37 | #include <sproto.h> |
45 | #include <sockproto.h> |
38 | #include <sockproto.h> |
46 | #endif |
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47 | |
39 | |
48 | #ifndef WIN32 /* ---win32 exclude unix headers */ |
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49 | #include <sys/types.h> |
40 | #include <sys/types.h> |
50 | #include <sys/time.h> |
41 | #include <sys/time.h> |
51 | #include <sys/socket.h> |
42 | #include <sys/socket.h> |
52 | #include <netinet/in.h> |
43 | #include <netinet/in.h> |
53 | #include <netdb.h> |
44 | #include <netdb.h> |
54 | #endif /* end win32 */ |
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|
55 | |
45 | |
56 | #ifdef HAVE_UNISTD_H |
46 | #ifdef HAVE_UNISTD_H |
57 | #include <unistd.h> |
47 | # include <unistd.h> |
58 | #endif |
48 | #endif |
59 | |
49 | |
60 | #ifdef HAVE_ARPA_INET_H |
50 | #ifdef HAVE_ARPA_INET_H |
61 | #include <arpa/inet.h> |
51 | # include <arpa/inet.h> |
62 | #endif |
52 | #endif |
63 | |
53 | |
64 | #include <loader.h> |
54 | #include <loader.h> |
65 | #include <newserver.h> |
55 | #include <newserver.h> |
66 | |
56 | |
… | |
… | |
75 | * before player joins, and those happen after the player has joined. |
65 | * before player joins, and those happen after the player has joined. |
76 | * As such, we have function types that might be called, so |
66 | * As such, we have function types that might be called, so |
77 | * we end up having 2 tables. |
67 | * we end up having 2 tables. |
78 | */ |
68 | */ |
79 | |
69 | |
80 | typedef void (*func_uint8_int_ns) (char*, int, NewSocket *); |
70 | typedef void (*func_uint8_int_ns) (char *, int, NewSocket *); |
81 | |
71 | |
82 | struct NsCmdMapping { |
72 | struct NsCmdMapping |
|
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73 | { |
83 | const char *cmdname; |
74 | const char *cmdname; |
84 | func_uint8_int_ns cmdproc; |
75 | func_uint8_int_ns cmdproc; |
85 | }; |
76 | }; |
86 | |
77 | |
87 | typedef void (*func_uint8_int_pl)(char*, int, player *); |
78 | typedef void (*func_uint8_int_pl) (char *, int, player *); |
88 | struct PlCmdMapping { |
79 | struct PlCmdMapping |
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80 | { |
89 | const char *cmdname; |
81 | const char *cmdname; |
90 | func_uint8_int_pl cmdproc; |
82 | func_uint8_int_pl cmdproc; |
91 | uint8 flag; |
83 | uint8 flag; |
92 | }; |
84 | }; |
93 | |
85 | |
94 | /** |
86 | /** |
95 | * Dispatch table for the server. |
87 | * Dispatch table for the server. |
96 | * |
88 | * |
… | |
… | |
103 | * to cast it here instead of a bunch of times in the function itself. |
95 | * to cast it here instead of a bunch of times in the function itself. |
104 | * flag is 1 if the player must be in the playing state to issue the |
96 | * flag is 1 if the player must be in the playing state to issue the |
105 | * command, 0 if they can issue it at any time. |
97 | * command, 0 if they can issue it at any time. |
106 | */ |
98 | */ |
107 | static struct PlCmdMapping plcommands[] = { |
99 | static struct PlCmdMapping plcommands[] = { |
108 | { "examine", ExamineCmd, 1}, |
100 | {"examine", ExamineCmd, 1}, |
109 | { "apply", ApplyCmd, 1}, |
101 | {"apply", ApplyCmd, 1}, |
110 | { "move", MoveCmd, 1}, |
102 | {"move", MoveCmd, 1}, |
111 | { "reply", ReplyCmd, 0}, |
103 | {"reply", ReplyCmd, 0}, |
112 | { "command", PlayerCmd, 1}, |
104 | {"command", PlayerCmd, 1}, |
113 | { "ncom", (func_uint8_int_pl)NewPlayerCmd, 1}, |
105 | {"ncom", (func_uint8_int_pl) NewPlayerCmd, 1}, |
114 | { "lookat", LookAt, 1}, |
106 | {"lookat", LookAt, 1}, |
115 | { "lock", (func_uint8_int_pl)LockItem, 1}, |
107 | {"lock", (func_uint8_int_pl) LockItem, 1}, |
116 | { "mark", (func_uint8_int_pl)MarkItem, 1}, |
108 | {"mark", (func_uint8_int_pl) MarkItem, 1}, |
117 | { "mapredraw", MapRedrawCmd, 0}, /* Added: phil */ |
109 | {"mapredraw", MapRedrawCmd, 0}, /* Added: phil */ |
118 | { "mapinfo", MapInfoCmd, 2}, /* CF+ */ |
110 | {"mapinfo", MapInfoCmd, 2}, /* CF+ */ |
119 | { "ext", ExtCmd, 2}, /* CF+ */ |
111 | {"ext", ExtCmd, 2}, /* CF+ */ |
120 | { NULL, NULL, 0} /* terminator */ |
112 | {NULL, NULL, 0} /* terminator */ |
121 | }; |
113 | }; |
122 | |
114 | |
123 | /** Face-related commands */ |
115 | /** Face-related commands */ |
124 | static struct NsCmdMapping nscommands[] = { |
116 | static struct NsCmdMapping nscommands[] = { |
125 | { "addme", AddMeCmd }, |
117 | {"addme", AddMeCmd}, |
126 | { "askface", SendFaceCmd}, /* Added: phil */ |
118 | {"askface", SendFaceCmd}, /* Added: phil */ |
127 | { "requestinfo", RequestInfo}, |
119 | {"requestinfo", RequestInfo}, |
128 | { "setfacemode", SetFaceMode}, |
120 | {"setfacemode", SetFaceMode}, |
129 | { "setsound", SetSound}, |
121 | {"setsound", SetSound}, |
130 | { "setup", SetUp}, |
122 | {"setup", SetUp}, |
131 | { "version", VersionCmd }, |
123 | {"version", VersionCmd}, |
132 | { "toggleextendedinfos", ToggleExtendedInfos}, /*Added: tchize*/ |
124 | {"toggleextendedinfos", ToggleExtendedInfos}, /*Added: tchize */ |
133 | { "toggleextendedtext", ToggleExtendedText}, /*Added: tchize*/ |
125 | {"toggleextendedtext", ToggleExtendedText}, /*Added: tchize */ |
134 | { "asksmooth", AskSmooth}, /*Added: tchize (smoothing technologies)*/ |
126 | {"asksmooth", AskSmooth}, /*Added: tchize (smoothing technologies) */ |
135 | { NULL, NULL} /* terminator (I, II & III)*/ |
127 | {NULL, NULL} /* terminator (I, II & III) */ |
136 | }; |
128 | }; |
137 | |
129 | |
138 | /** |
130 | /** |
139 | * RequestInfo is sort of a meta command. There is some specific |
131 | * RequestInfo is sort of a meta command. There is some specific |
140 | * request of information, but we call other functions to provide |
132 | * request of information, but we call other functions to provide |
141 | * that information. |
133 | * that information. |
142 | */ |
134 | */ |
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135 | void |
143 | void RequestInfo(char *buf, int len, NewSocket *ns) |
136 | RequestInfo (char *buf, int len, NewSocket * ns) |
144 | { |
137 | { |
145 | char *params=NULL, *cp; |
138 | char *params = NULL, *cp; |
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|
139 | |
146 | /* No match */ |
140 | /* No match */ |
147 | char bigbuf[MAX_BUF]; |
141 | char bigbuf[MAX_BUF]; |
148 | int slen; |
142 | int slen; |
149 | |
143 | |
150 | /* Set up replyinfo before we modify any of the buffers - this is used |
144 | /* Set up replyinfo before we modify any of the buffers - this is used |
151 | * if we don't find a match. |
145 | * if we don't find a match. |
152 | */ |
146 | */ |
153 | strcpy(bigbuf,"replyinfo "); |
147 | strcpy (bigbuf, "replyinfo "); |
154 | slen = strlen(bigbuf); |
148 | slen = strlen (bigbuf); |
155 | safe_strcat(bigbuf, buf, &slen, MAX_BUF); |
149 | safe_strcat (bigbuf, buf, &slen, MAX_BUF); |
156 | |
150 | |
157 | /* find the first space, make it null, and update the |
151 | /* find the first space, make it null, and update the |
158 | * params pointer. |
152 | * params pointer. |
159 | */ |
153 | */ |
160 | for (cp = buf; *cp != '\0'; cp++) |
154 | for (cp = buf; *cp != '\0'; cp++) |
161 | if (*cp==' ') { |
155 | if (*cp == ' ') |
|
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156 | { |
162 | *cp = '\0'; |
157 | *cp = '\0'; |
163 | params = cp + 1; |
158 | params = cp + 1; |
164 | break; |
159 | break; |
165 | } |
160 | } |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
161 | |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
162 | if (!strcmp (buf, "image_info")) |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
163 | send_image_info (ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
164 | else if (!strcmp (buf, "image_sums")) |
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165 | send_image_sums (ns, params); |
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166 | else if (!strcmp (buf, "skill_info")) |
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167 | send_skill_info (ns, params); |
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168 | else if (!strcmp (buf, "spell_paths")) |
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169 | send_spell_paths (ns, params); |
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170 | else |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
171 | Write_String_To_Socket (ns, bigbuf, len); |
171 | } |
172 | } |
172 | |
173 | |
173 | /** |
174 | /** |
174 | * Handle client input. |
175 | * Handle client input. |
175 | * |
176 | * |
… | |
… | |
178 | * sock is the output socket information. pl is the player associated |
179 | * sock is the output socket information. pl is the player associated |
179 | * with this socket, null if no player (one of the init_sockets for just |
180 | * with this socket, null if no player (one of the init_sockets for just |
180 | * starting a connection) |
181 | * starting a connection) |
181 | */ |
182 | */ |
182 | |
183 | |
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184 | void |
183 | void HandleClient(NewSocket *ns, player *pl) |
185 | HandleClient (NewSocket * ns, player *pl) |
184 | { |
186 | { |
185 | int len=0,i,cnt; |
187 | int len = 0, i, cnt; |
186 | char *data; |
188 | char *data; |
187 | |
189 | |
188 | /* Loop through this - maybe we have several complete packets here. */ |
190 | /* Loop through this - maybe we have several complete packets here. */ |
189 | // limit to a few commands only, though, as to not monopolise the server |
191 | // limit to a few commands only, though, as to not monopolise the server |
190 | for (cnt = 16; cnt--; ) { |
192 | for (cnt = 16; cnt--;) |
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193 | { |
191 | /* If it is a player, and they don't have any speed left, we |
194 | /* If it is a player, and they don't have any speed left, we |
192 | * return, and will read in the data when they do have time. |
195 | * return, and will read in the data when they do have time. |
193 | */ |
196 | */ |
194 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
197 | if (pl && pl->state == ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) |
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198 | { |
195 | return; |
199 | return; |
196 | } |
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197 | |
200 | } |
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201 | |
198 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
202 | i = SockList_ReadPacket (ns->fd, &ns->inbuf, MAXSOCKBUF - 1); |
199 | |
203 | |
200 | if (i<0) { |
204 | if (i < 0) |
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205 | { |
201 | #ifdef ESRV_DEBUG |
206 | #ifdef ESRV_DEBUG |
202 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
207 | LOG (llevDebug, "HandleClient: Read error on connection player %s\n", (pl ? pl->ob->name : "None")); |
203 | #endif |
208 | #endif |
204 | /* Caller will take care of cleaning this up */ |
209 | /* Caller will take care of cleaning this up */ |
205 | ns->status =Ns_Dead; |
210 | ns->status = Ns_Dead; |
206 | return; |
211 | return; |
207 | } |
212 | } |
208 | /* Still dont have a full packet */ |
213 | /* Still dont have a full packet */ |
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214 | if (i == 0) |
209 | if (i==0) return; |
215 | return; |
210 | |
216 | |
211 | // //D//TODO//temporarily log long commands |
217 | // //D//TODO//temporarily log long commands |
212 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
218 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
213 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
219 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
214 | |
220 | |
215 | /* First, break out beginning word. There are at least |
221 | /* First, break out beginning word. There are at least |
216 | * a few commands that do not have any paremeters. If |
222 | * a few commands that do not have any paremeters. If |
217 | * we get such a command, don't worry about trying |
223 | * we get such a command, don't worry about trying |
218 | * to break it up. |
224 | * to break it up. |
219 | */ |
225 | */ |
220 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
226 | data = (char *) strchr ((char *) ns->inbuf.buf + 2, ' '); |
221 | if (data) { |
227 | if (data) |
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228 | { |
222 | *data='\0'; |
229 | *data = '\0'; |
223 | data++; |
230 | data++; |
224 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
231 | len = ns->inbuf.len - (data - (char *) ns->inbuf.buf); |
225 | } |
232 | } |
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233 | else |
226 | else len=0; |
234 | len = 0; |
227 | |
235 | |
228 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
236 | ns->inbuf.buf[ns->inbuf.len] = '\0'; /* Terminate buffer - useful for string data */ |
229 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
237 | for (i = 0; nscommands[i].cmdname != NULL; i++) |
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238 | { |
230 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
239 | if (strcmp ((char *) ns->inbuf.buf + 2, nscommands[i].cmdname) == 0) |
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240 | { |
231 | nscommands[i].cmdproc((char*)data,len,ns); |
241 | nscommands[i].cmdproc ((char *) data, len, ns); |
232 | ns->inbuf.len=0; |
242 | ns->inbuf.len = 0; |
233 | return;//D// not doing this causes random memory corruption |
243 | return; //D// not doing this causes random memory corruption |
234 | goto next_packet; |
244 | goto next_packet; |
235 | } |
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236 | } |
245 | } |
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246 | } |
237 | /* Player must be in the playing state or the flag on the |
247 | /* Player must be in the playing state or the flag on the |
238 | * the command must be zero for the user to use the command - |
248 | * the command must be zero for the user to use the command - |
239 | * otherwise, a player cam save, be in the play_again state, and |
249 | * otherwise, a player cam save, be in the play_again state, and |
240 | * the map they were on gets swapped out, yet things that try to look |
250 | * the map they were on gets swapped out, yet things that try to look |
241 | * at the map causes a crash. If the command is valid, but |
251 | * at the map causes a crash. If the command is valid, but |
242 | * one they can't use, we still swallow it up. |
252 | * one they can't use, we still swallow it up. |
243 | */ |
253 | */ |
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254 | if (pl) |
244 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
255 | for (i = 0; plcommands[i].cmdname != NULL; i++) |
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256 | { |
245 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
257 | if (strcmp ((char *) ns->inbuf.buf + 2, plcommands[i].cmdname) == 0) |
|
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258 | { |
246 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
259 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
247 | plcommands[i].cmdproc((char*)data,len,pl); |
260 | plcommands[i].cmdproc ((char *) data, len, pl); |
248 | ns->inbuf.len=0; |
261 | ns->inbuf.len = 0; |
249 | //D// not doing this causes random memory corruption |
262 | //D// not doing this causes random memory corruption |
250 | if (plcommands[i].flag & 2) |
263 | if (plcommands[i].flag & 2) |
251 | goto next_packet; |
264 | goto next_packet; |
252 | return; |
265 | return; |
253 | } |
266 | } |
254 | } |
267 | } |
255 | /* If we get here, we didn't find a valid command. Logging |
268 | /* If we get here, we didn't find a valid command. Logging |
256 | * this might be questionable, because a broken client/malicious |
269 | * this might be questionable, because a broken client/malicious |
257 | * user could certainly send a whole bunch of invalid commands. |
270 | * user could certainly send a whole bunch of invalid commands. |
258 | */ |
271 | */ |
259 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
272 | LOG (llevDebug, "Bad command from client (%s)\n", ns->inbuf.buf + 2); |
260 | next_packet: |
273 | next_packet: |
261 | ; |
274 | ; |
262 | } |
275 | } |
263 | } |
276 | } |
264 | |
277 | |
265 | |
278 | |
266 | /***************************************************************************** |
279 | /***************************************************************************** |
… | |
… | |
269 | * sending. |
282 | * sending. |
270 | * |
283 | * |
271 | ******************************************************************************/ |
284 | ******************************************************************************/ |
272 | |
285 | |
273 | #ifdef WATCHDOG |
286 | #ifdef WATCHDOG |
|
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287 | |
274 | /** |
288 | /** |
275 | * Tell watchdog that we are still alive |
289 | * Tell watchdog that we are still alive |
276 | * |
290 | * |
277 | * I put the function here since we should hopefully already be getting |
291 | * I put the function here since we should hopefully already be getting |
278 | * all the needed include files for socket support |
292 | * all the needed include files for socket support |
279 | */ |
293 | */ |
280 | |
294 | |
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295 | void |
281 | void watchdog(void) |
296 | watchdog (void) |
282 | { |
297 | { |
283 | static int fd=-1; |
298 | static int fd = -1; |
284 | static struct sockaddr_in insock; |
299 | static struct sockaddr_in insock; |
285 | |
300 | |
286 | if (fd==-1) |
301 | if (fd == -1) |
287 | { |
302 | { |
288 | struct protoent *protoent; |
303 | struct protoent *protoent; |
289 | |
304 | |
290 | if ((protoent=getprotobyname("udp"))==NULL || |
305 | if ((protoent = getprotobyname ("udp")) == NULL || (fd = socket (PF_INET, SOCK_DGRAM, protoent->p_proto)) == -1) |
291 | (fd=socket(PF_INET, SOCK_DGRAM, protoent->p_proto))==-1) |
|
|
292 | { |
306 | { |
293 | return; |
307 | return; |
294 | } |
308 | } |
295 | insock.sin_family=AF_INET; |
309 | insock.sin_family = AF_INET; |
296 | insock.sin_port=htons((unsigned short)13325); |
310 | insock.sin_port = htons ((unsigned short) 13325); |
297 | insock.sin_addr.s_addr=inet_addr("127.0.0.1"); |
311 | insock.sin_addr.s_addr = inet_addr ("127.0.0.1"); |
298 | } |
312 | } |
299 | sendto(fd,(void *)&fd,1,0,(struct sockaddr *)&insock,sizeof(insock)); |
313 | sendto (fd, (void *) &fd, 1, 0, (struct sockaddr *) &insock, sizeof (insock)); |
300 | } |
314 | } |
301 | #endif |
315 | #endif |
302 | |
316 | |
|
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317 | void |
303 | void flush_sockets(void) |
318 | flush_sockets (void) |
304 | { |
319 | { |
305 | player *pl; |
320 | player *pl; |
306 | |
321 | |
307 | for (pl = first_player; pl != NULL; pl = pl->next) |
322 | for (pl = first_player; pl != NULL; pl = pl->next) |
308 | if (pl->socket.status != Ns_Dead) |
323 | if (pl->socket.status != Ns_Dead) |
309 | Socket_Flush (&pl->socket); |
324 | Socket_Flush (&pl->socket); |
310 | } |
325 | } |
311 | |
326 | |
312 | /** |
327 | /** |
313 | * This checks the sockets for input and exceptions, does the right thing. |
328 | * This checks the sockets for input, does the right thing. |
314 | * |
329 | * |
315 | * A bit of this code is grabbed out of socket.c |
330 | * A bit of this code is grabbed out of socket.c |
316 | * There are 2 lists we need to look through - init_sockets is a list |
331 | * There are 2 lists we need to look through - init_sockets is a list |
317 | * |
332 | * |
318 | */ |
333 | */ |
|
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334 | void |
319 | void doeric_server(void) |
335 | doeric_server (void) |
320 | { |
336 | { |
321 | int i, pollret; |
337 | int i, pollret; |
322 | fd_set tmp_read, tmp_exceptions, tmp_write; |
338 | fd_set tmp_read, tmp_write; |
323 | struct sockaddr_in addr; |
339 | struct sockaddr_in addr; |
324 | socklen_t addrlen=sizeof(struct sockaddr); |
340 | socklen_t addrlen = sizeof (struct sockaddr); |
325 | player *pl, *next; |
341 | player *pl, *next; |
326 | |
342 | |
327 | #ifdef CS_LOGSTATS |
343 | #ifdef CS_LOGSTATS |
328 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
344 | if ((time (NULL) - cst_lst.time_start) >= CS_LOGTIME) |
329 | write_cs_stats(); |
345 | write_cs_stats (); |
330 | #endif |
346 | #endif |
331 | |
347 | |
332 | FD_ZERO(&tmp_read); |
348 | FD_ZERO (&tmp_read); |
333 | FD_ZERO(&tmp_write); |
349 | FD_ZERO (&tmp_write); |
334 | FD_ZERO(&tmp_exceptions); |
|
|
335 | |
350 | |
336 | for(i=0;i<socket_info.allocated_sockets;i++) { |
351 | for (i = 0; i < socket_info.allocated_sockets; i++) |
|
|
352 | { |
337 | if (init_sockets[i].status == Ns_Dead) { |
353 | if (init_sockets[i].status == Ns_Dead) |
|
|
354 | { |
338 | free_newsocket(&init_sockets[i]); |
355 | free_newsocket (&init_sockets[i]); |
339 | init_sockets[i].status = Ns_Avail; |
356 | init_sockets[i].status = Ns_Avail; |
340 | socket_info.nconns--; |
357 | socket_info.nconns--; |
|
|
358 | } |
341 | } else if (init_sockets[i].status != Ns_Avail){ |
359 | else if (init_sockets[i].status != Ns_Avail) |
|
|
360 | { |
342 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
361 | FD_SET (init_sockets[i].fd, &tmp_read); |
343 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
362 | FD_SET (init_sockets[i].fd, &tmp_write); |
344 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
|
|
345 | } |
363 | } |
346 | } |
364 | } |
347 | |
365 | |
348 | /* Go through the players. Let the loop set the next pl value, |
366 | /* Go through the players. Let the loop set the next pl value, |
349 | * since we may remove some |
367 | * since we may remove some |
350 | */ |
368 | */ |
351 | for (pl=first_player; pl!=NULL; ) { |
369 | for (pl = first_player; pl != NULL;) |
|
|
370 | { |
352 | if (pl->socket.status == Ns_Dead) { |
371 | if (pl->socket.status == Ns_Dead) |
|
|
372 | { |
353 | player *npl=pl->next; |
373 | player *npl = pl->next; |
354 | |
374 | |
355 | save_player(pl->ob, 0); |
375 | save_player (pl->ob, 0); |
|
|
376 | |
356 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
377 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
|
|
378 | { |
357 | terminate_all_pets(pl->ob); |
379 | terminate_all_pets (pl->ob); |
358 | remove_ob(pl->ob); |
380 | pl->ob->remove (); |
359 | } |
381 | } |
|
|
382 | |
360 | leave(pl,1); |
383 | leave (pl, 1); |
361 | final_free_player(pl); |
384 | final_free_player (pl); |
362 | pl=npl; |
385 | pl = npl; |
|
|
386 | } |
|
|
387 | else |
363 | } |
388 | { |
364 | else { |
|
|
365 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
389 | FD_SET ((uint32) pl->socket.fd, &tmp_read); |
366 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
390 | FD_SET ((uint32) pl->socket.fd, &tmp_write); |
367 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
|
|
368 | pl=pl->next; |
391 | pl = pl->next; |
369 | } |
392 | } |
370 | } |
393 | } |
371 | |
394 | |
372 | /* Reset timeout each time, since some OS's will change the values on |
395 | /* Reset timeout each time, since some OS's will change the values on |
373 | * the return from select. |
396 | * the return from select. |
374 | */ |
397 | */ |
375 | socket_info.timeout.tv_sec = 0; |
398 | socket_info.timeout.tv_sec = 0; |
376 | socket_info.timeout.tv_usec = 0; |
399 | socket_info.timeout.tv_usec = 0; |
377 | |
400 | |
378 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
401 | pollret = select (socket_info.max_filedescriptor, |
|
|
402 | &tmp_read, &tmp_write, 0, |
379 | &tmp_exceptions, &socket_info.timeout); |
403 | &socket_info.timeout); |
380 | |
404 | |
381 | if (pollret==-1) { |
405 | if (pollret == -1) |
|
|
406 | { |
382 | LOG(llevError, "select failed: %s\n", strerror(errno)); |
407 | LOG (llevError, "select failed: %s\n", strerror (errno)); |
383 | return; |
408 | return; |
384 | } |
409 | } |
385 | |
410 | |
386 | /* We need to do some of the processing below regardless */ |
411 | /* We need to do some of the processing below regardless */ |
|
|
412 | |
387 | /* if (!pollret) return;*/ |
413 | /* if (!pollret) return;*/ |
388 | |
414 | |
389 | /* Following adds a new connection */ |
415 | /* Following adds a new connection */ |
390 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
416 | if (pollret && FD_ISSET (init_sockets[0].fd, &tmp_read)) |
|
|
417 | { |
391 | int newsocknum=0; |
418 | int newsocknum = 0; |
392 | |
419 | |
393 | #ifdef ESRV_DEBUG |
420 | #ifdef ESRV_DEBUG |
394 | LOG(llevDebug,"doeric_server: New Connection\n"); |
421 | LOG (llevDebug, "doeric_server: New Connection\n"); |
395 | #endif |
422 | #endif |
396 | /* If this is the case, all sockets currently in used */ |
423 | /* If this is the case, all sockets currently in used */ |
397 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
424 | if (socket_info.allocated_sockets <= socket_info.nconns) |
|
|
425 | { |
398 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
426 | init_sockets = (NewSocket *) realloc (init_sockets, sizeof (NewSocket) * (socket_info.nconns + 1)); |
|
|
427 | if (!init_sockets) |
399 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
428 | fatal (OUT_OF_MEMORY); |
400 | newsocknum = socket_info.allocated_sockets; |
429 | newsocknum = socket_info.allocated_sockets; |
401 | socket_info.allocated_sockets++; |
430 | socket_info.allocated_sockets++; |
402 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
431 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
403 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
432 | init_sockets[newsocknum].faces_sent = (uint8 *) malloc (nrofpixmaps * sizeof (*init_sockets[newsocknum].faces_sent)); |
404 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
433 | if (!init_sockets[newsocknum].faces_sent) |
|
|
434 | fatal (OUT_OF_MEMORY); |
405 | init_sockets[newsocknum].status = Ns_Avail; |
435 | init_sockets[newsocknum].status = Ns_Avail; |
|
|
436 | } |
|
|
437 | else |
406 | } |
438 | { |
407 | else { |
|
|
408 | int j; |
439 | int j; |
409 | |
440 | |
410 | for (j=1; j<socket_info.allocated_sockets; j++) |
441 | for (j = 1; j < socket_info.allocated_sockets; j++) |
411 | if (init_sockets[j].status == Ns_Avail) { |
442 | if (init_sockets[j].status == Ns_Avail) |
|
|
443 | { |
412 | newsocknum=j; |
444 | newsocknum = j; |
413 | break; |
445 | break; |
414 | } |
446 | } |
415 | } |
447 | } |
|
|
448 | |
416 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
449 | init_sockets[newsocknum].fd = accept (init_sockets[0].fd, (struct sockaddr *) &addr, &addrlen); |
|
|
450 | |
417 | if (init_sockets[newsocknum].fd==-1) { |
451 | if (init_sockets[newsocknum].fd == -1) |
418 | LOG(llevError, "accept failed: %s\n", strerror(errno)); |
452 | LOG (llevError, "accept failed: %s\n", strerror (errno)); |
|
|
453 | else |
419 | } |
454 | { |
420 | else { |
|
|
421 | char buf[MAX_BUF]; |
455 | char buf[MAX_BUF]; |
422 | long ip; |
456 | long ip; |
423 | NewSocket *ns; |
457 | NewSocket *ns; |
424 | |
458 | |
425 | ns = &init_sockets[newsocknum]; |
459 | ns = &init_sockets[newsocknum]; |
426 | |
460 | |
427 | ip = ntohl(addr.sin_addr.s_addr); |
461 | ip = ntohl (addr.sin_addr.s_addr); |
428 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
462 | sprintf (buf, "%ld.%ld.%ld.%ld", (ip >> 24) & 255, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255); |
429 | |
463 | |
430 | if (checkbanned(NULL, buf)) { |
464 | if (checkbanned (NULL, buf)) |
|
|
465 | { |
431 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
466 | LOG (llevInfo, "Banned host tried to connect: [%s]\n", buf); |
432 | close(init_sockets[newsocknum].fd); |
467 | close (init_sockets[newsocknum].fd); |
433 | init_sockets[newsocknum].fd = -1; |
468 | init_sockets[newsocknum].fd = -1; |
|
|
469 | } |
|
|
470 | else |
434 | } |
471 | { |
435 | else { |
|
|
436 | InitConnection(ns, buf); |
472 | InitConnection (ns, buf); |
437 | socket_info.nconns++; |
473 | socket_info.nconns++; |
|
|
474 | } |
|
|
475 | } |
|
|
476 | } |
|
|
477 | |
|
|
478 | /* Check for any input on the sockets */ |
|
|
479 | if (pollret) |
|
|
480 | for (i = 1; i < socket_info.allocated_sockets; i++) |
|
|
481 | { |
|
|
482 | if (init_sockets[i].status == Ns_Avail) |
|
|
483 | continue; |
|
|
484 | |
|
|
485 | if (FD_ISSET (init_sockets[i].fd, &tmp_read)) |
|
|
486 | HandleClient (&init_sockets[i], NULL); |
|
|
487 | |
|
|
488 | if (FD_ISSET (init_sockets[i].fd, &tmp_write)) |
|
|
489 | init_sockets[i].can_write = 1; |
|
|
490 | } |
|
|
491 | |
|
|
492 | /* This does roughly the same thing, but for the players now */ |
|
|
493 | for (pl = first_player; pl != NULL; pl = next) |
|
|
494 | { |
|
|
495 | |
|
|
496 | next = pl->next; |
|
|
497 | if (pl->socket.status == Ns_Dead) |
|
|
498 | continue; |
|
|
499 | |
|
|
500 | if (FD_ISSET (pl->socket.fd, &tmp_write)) |
|
|
501 | { |
|
|
502 | if (!pl->socket.can_write) |
438 | } |
503 | { |
|
|
504 | #if 0 |
|
|
505 | LOG (llevDebug, "Player %s socket now write enabled\n", pl->ob->name); |
|
|
506 | #endif |
|
|
507 | pl->socket.can_write = 1; |
|
|
508 | write_socket_buffer (&pl->socket); |
439 | } |
509 | } |
440 | } |
|
|
441 | |
510 | |
442 | /* Check for any exceptions/input on the sockets */ |
511 | /* if we get an error on the write_socket buffer, no reason to |
443 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
512 | * continue on this socket. |
444 | if (init_sockets[i].status == Ns_Avail) continue; |
513 | */ |
445 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
514 | if (pl->socket.status == Ns_Dead) |
446 | free_newsocket(&init_sockets[i]); |
|
|
447 | init_sockets[i].status = Ns_Avail; |
|
|
448 | socket_info.nconns--; |
|
|
449 | continue; |
515 | continue; |
450 | } |
516 | } |
451 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
517 | else |
452 | HandleClient(&init_sockets[i], NULL); |
518 | pl->socket.can_write = 0; |
|
|
519 | |
|
|
520 | HandleClient (&pl->socket, pl); |
|
|
521 | /* If the player has left the game, then the socket status |
|
|
522 | * will be set to this be the leave function. We don't |
|
|
523 | * need to call leave again, as it has already been called |
|
|
524 | * once. |
|
|
525 | */ |
|
|
526 | if (pl->socket.status == Ns_Dead) |
453 | } |
527 | { |
454 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
|
|
455 | init_sockets[i].can_write=1; |
|
|
456 | } |
|
|
457 | } |
|
|
458 | |
|
|
459 | /* This does roughly the same thing, but for the players now */ |
|
|
460 | for (pl=first_player; pl!=NULL; pl=next) { |
|
|
461 | |
|
|
462 | next=pl->next; |
|
|
463 | if (pl->socket.status==Ns_Dead) continue; |
|
|
464 | |
|
|
465 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
|
|
466 | if (!pl->socket.can_write) { |
|
|
467 | #if 0 |
|
|
468 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
|
|
469 | #endif |
|
|
470 | pl->socket.can_write=1; |
|
|
471 | write_socket_buffer(&pl->socket); |
|
|
472 | } |
|
|
473 | /* if we get an error on the write_socket buffer, no reason to |
|
|
474 | * continue on this socket. |
|
|
475 | */ |
|
|
476 | if (pl->socket.status==Ns_Dead) continue; |
|
|
477 | } |
|
|
478 | else pl->socket.can_write=0; |
|
|
479 | |
|
|
480 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
|
|
481 | save_player(pl->ob, 0); |
528 | save_player (pl->ob, 0); |
|
|
529 | |
482 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
530 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
|
|
531 | { |
483 | terminate_all_pets(pl->ob); |
532 | terminate_all_pets (pl->ob); |
484 | remove_ob(pl->ob); |
533 | pl->ob->remove (); |
485 | } |
534 | } |
|
|
535 | |
486 | leave(pl,1); |
536 | leave (pl, 1); |
487 | final_free_player(pl); |
537 | final_free_player (pl); |
|
|
538 | } |
|
|
539 | else |
488 | } |
540 | { |
489 | else { |
|
|
490 | HandleClient(&pl->socket, pl); |
|
|
491 | /* If the player has left the game, then the socket status |
|
|
492 | * will be set to this be the leave function. We don't |
|
|
493 | * need to call leave again, as it has already been called |
|
|
494 | * once. |
|
|
495 | */ |
|
|
496 | if (pl->socket.status==Ns_Dead) { |
|
|
497 | save_player(pl->ob, 0); |
|
|
498 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
|
|
499 | terminate_all_pets(pl->ob); |
|
|
500 | remove_ob(pl->ob); |
|
|
501 | } |
|
|
502 | leave(pl,1); |
|
|
503 | final_free_player(pl); |
|
|
504 | } else { |
|
|
505 | |
|
|
506 | /* Update the players stats once per tick. More efficient than |
541 | /* Update the players stats once per tick. More efficient than |
507 | * sending them whenever they change, and probably just as useful |
542 | * sending them whenever they change, and probably just as useful |
508 | */ |
543 | */ |
509 | esrv_update_stats(pl); |
544 | esrv_update_stats (pl); |
510 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
545 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
|
|
546 | { |
511 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
547 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
512 | if(pl->last_weight != WEIGHT(pl->ob)) |
548 | if (pl->last_weight != WEIGHT (pl->ob)) |
513 | LOG(llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", (unsigned long)pl->last_weight, WEIGHT(pl->ob)); |
549 | LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
|
|
550 | (unsigned long) pl->last_weight, WEIGHT (pl->ob)); |
514 | } |
551 | } |
|
|
552 | |
515 | /* draw_client_map does sanity checking that map is |
553 | /* draw_client_map does sanity checking that map is |
516 | * valid, so don't do it here. |
554 | * valid, so don't do it here. |
517 | */ |
555 | */ |
518 | draw_client_map(pl->ob); |
556 | draw_client_map (pl->ob); |
519 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
557 | if (pl->socket.update_look) |
520 | } |
558 | esrv_draw_look (pl->ob); |
521 | } |
559 | } |
522 | } |
560 | } |
523 | } |
561 | } |
|
|
562 | |