… | |
… | |
32 | * The reading of data is handled in ericserver.c |
32 | * The reading of data is handled in ericserver.c |
33 | */ |
33 | */ |
34 | |
34 | |
35 | |
35 | |
36 | #include <global.h> |
36 | #include <global.h> |
37 | #ifndef __CEXTRACT__ |
|
|
38 | # include <sproto.h> |
37 | #include <sproto.h> |
39 | # include <sockproto.h> |
38 | #include <sockproto.h> |
40 | #endif |
|
|
41 | |
39 | |
42 | #ifndef WIN32 /* ---win32 exclude unix headers */ |
|
|
43 | # include <sys/types.h> |
40 | #include <sys/types.h> |
44 | # include <sys/time.h> |
41 | #include <sys/time.h> |
45 | # include <sys/socket.h> |
42 | #include <sys/socket.h> |
46 | # include <netinet/in.h> |
43 | #include <netinet/in.h> |
47 | # include <netdb.h> |
44 | #include <netdb.h> |
48 | #endif /* end win32 */ |
|
|
49 | |
45 | |
50 | #ifdef HAVE_UNISTD_H |
|
|
51 | # include <unistd.h> |
46 | #include <unistd.h> |
52 | #endif |
|
|
53 | |
|
|
54 | #ifdef HAVE_ARPA_INET_H |
|
|
55 | # include <arpa/inet.h> |
47 | #include <arpa/inet.h> |
56 | #endif |
|
|
57 | |
48 | |
58 | #include <loader.h> |
49 | #include <loader.h> |
59 | #include <newserver.h> |
|
|
60 | |
50 | |
61 | /***************************************************************************** |
51 | /***************************************************************************** |
62 | * Start of command dispatch area. |
52 | * Start of command dispatch area. |
63 | * The commands here are protocol commands. |
53 | * The commands here are protocol commands. |
64 | ****************************************************************************/ |
54 | ****************************************************************************/ |
… | |
… | |
69 | * before player joins, and those happen after the player has joined. |
59 | * before player joins, and those happen after the player has joined. |
70 | * As such, we have function types that might be called, so |
60 | * As such, we have function types that might be called, so |
71 | * we end up having 2 tables. |
61 | * we end up having 2 tables. |
72 | */ |
62 | */ |
73 | |
63 | |
74 | typedef void (*func_uint8_int_ns) (char *, int, NewSocket *); |
64 | enum { |
|
|
65 | PF_PLAYER = 0x01, // must have valid player |
|
|
66 | PF_IMMEDIATE = 0x02, // TODO: hack, can be executed immediately |
|
|
67 | PF_PLAYING = 0x04, // must be in playing state |
|
|
68 | }; |
75 | |
69 | |
76 | struct NsCmdMapping |
70 | struct pkt_type |
77 | { |
71 | { |
78 | const char *cmdname; |
72 | const char *name; |
79 | func_uint8_int_ns cmdproc; |
73 | void *cb; |
|
|
74 | int flags; |
|
|
75 | |
|
|
76 | bool may_execute (client *ns) |
|
|
77 | { |
|
|
78 | return (!(flags & PF_PLAYER) || ns->pl) |
|
|
79 | && (!(flags & PF_PLAYING) || (ns->pl && ns->pl->state == ST_PLAYING)); |
|
|
80 | } |
|
|
81 | |
|
|
82 | void execute (client *ns, char *data, int datalen) |
|
|
83 | { |
|
|
84 | //TODO: only one format |
|
|
85 | if (flags & PF_PLAYER) |
|
|
86 | ((void (*)(char *, int, player * ))cb)((char *)data, datalen, ns->pl); |
|
|
87 | else |
|
|
88 | ((void (*)(char *, int, client *))cb)((char *)data, datalen, ns); |
|
|
89 | } |
80 | }; |
90 | }; |
81 | |
91 | |
82 | typedef void (*func_uint8_int_pl) (char *, int, player *); |
92 | // SocketCommand, PlayingCommand, should not exist with those ugly casts |
83 | struct PlCmdMapping |
93 | #define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb), |
84 | { |
94 | #define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER | |
85 | const char *cmdname; |
|
|
86 | func_uint8_int_pl cmdproc; |
|
|
87 | uint8 flag; |
|
|
88 | }; |
|
|
89 | |
95 | |
90 | /** |
96 | /** |
91 | * Dispatch table for the server. |
97 | * Dispatch table for the server. |
92 | * |
98 | */ |
93 | * CmdMapping is the dispatch table for the server, used in HandleClient, |
99 | static struct pkt_type packets[] = { |
94 | * which gets called when the client has input. All commands called here |
100 | {"ncom", PC(NewPlayerCmd) PF_PLAYING }, |
95 | * use the same parameter form (char* data, int len, int clientnum. |
101 | {"command", PC(PlayerCmd) PF_PLAYING }, |
96 | * We do implicit casts, because the data that is being passed is |
102 | |
97 | * unsigned (pretty much needs to be for binary data), however, most |
103 | {"examine", PC(ExamineCmd) PF_PLAYING | PF_IMMEDIATE }, |
98 | * of these treat it only as strings, so it makes things easier |
104 | {"apply", PC(ApplyCmd) PF_PLAYING | PF_IMMEDIATE }, |
99 | * to cast it here instead of a bunch of times in the function itself. |
105 | {"reply", PC(ReplyCmd) PF_IMMEDIATE }, |
100 | * flag is 1 if the player must be in the playing state to issue the |
106 | {"lookat", PC(LookAt) PF_PLAYING | PF_IMMEDIATE }, |
101 | * command, 0 if they can issue it at any time. |
107 | {"lock", PC(LockItem) PF_PLAYING | PF_IMMEDIATE }, |
102 | */ |
108 | {"mark", PC(MarkItem) PF_PLAYING | PF_IMMEDIATE }, |
103 | static struct PlCmdMapping plcommands[] = { |
109 | {"move", PC(MoveCmd) PF_PLAYING | PF_IMMEDIATE }, |
104 | {"examine", ExamineCmd, 1}, |
110 | {"ext", PC(ExtCmd) PF_IMMEDIATE }, /* CF+ */ |
105 | {"apply", ApplyCmd, 1}, |
|
|
106 | {"move", MoveCmd, 1}, |
|
|
107 | {"reply", ReplyCmd, 0}, |
|
|
108 | {"command", PlayerCmd, 1}, |
|
|
109 | {"ncom", (func_uint8_int_pl) NewPlayerCmd, 1}, |
|
|
110 | {"lookat", LookAt, 1}, |
|
|
111 | {"lock", (func_uint8_int_pl) LockItem, 1}, |
|
|
112 | {"mark", (func_uint8_int_pl) MarkItem, 1}, |
|
|
113 | {"mapredraw", MapRedrawCmd, 0}, /* Added: phil */ |
111 | {"mapredraw", PC(MapRedrawCmd) PF_IMMEDIATE }, /* Added: phil */ |
114 | {"mapinfo", MapInfoCmd, 2}, /* CF+ */ |
112 | {"mapinfo", PC(MapInfoCmd) PF_IMMEDIATE }, /* CF+ */ |
115 | {"ext", ExtCmd, 2}, /* CF+ */ |
113 | |
116 | {NULL, NULL, 0} /* terminator */ |
114 | {"addme", SC(AddMeCmd) PF_IMMEDIATE }, |
|
|
115 | {"askface", SC(SendFaceCmd) 0 }, /* Added: phil */ |
|
|
116 | {"requestinfo", SC(RequestInfo) 0 }, |
|
|
117 | {"setfacemode", SC(SetFaceMode) PF_IMMEDIATE }, |
|
|
118 | {"setsound", SC(SetSound) PF_IMMEDIATE }, |
|
|
119 | {"setup", SC(SetUp) PF_IMMEDIATE }, |
|
|
120 | {"version", SC(VersionCmd) PF_IMMEDIATE }, |
|
|
121 | {"toggleextendedinfos", SC(ToggleExtendedInfos) PF_IMMEDIATE }, /*Added: tchize */ |
|
|
122 | {"toggleextendedtext", SC(ToggleExtendedText) PF_IMMEDIATE }, /*Added: tchize */ |
|
|
123 | {"asksmooth", SC(AskSmooth) 0 }, /*Added: tchize (smoothing technologies) */ |
117 | }; |
124 | }; |
118 | |
|
|
119 | /** Face-related commands */ |
|
|
120 | static struct NsCmdMapping nscommands[] = { |
|
|
121 | {"addme", AddMeCmd}, |
|
|
122 | {"askface", SendFaceCmd}, /* Added: phil */ |
|
|
123 | {"requestinfo", RequestInfo}, |
|
|
124 | {"setfacemode", SetFaceMode}, |
|
|
125 | {"setsound", SetSound}, |
|
|
126 | {"setup", SetUp}, |
|
|
127 | {"version", VersionCmd}, |
|
|
128 | {"toggleextendedinfos", ToggleExtendedInfos}, /*Added: tchize */ |
|
|
129 | {"toggleextendedtext", ToggleExtendedText}, /*Added: tchize */ |
|
|
130 | {"asksmooth", AskSmooth}, /*Added: tchize (smoothing technologies) */ |
|
|
131 | {NULL, NULL} /* terminator (I, II & III) */ |
|
|
132 | }; |
|
|
133 | |
|
|
134 | /** |
|
|
135 | * RequestInfo is sort of a meta command. There is some specific |
|
|
136 | * request of information, but we call other functions to provide |
|
|
137 | * that information. |
|
|
138 | */ |
|
|
139 | void |
|
|
140 | RequestInfo (char *buf, int len, NewSocket * ns) |
|
|
141 | { |
|
|
142 | char *params = NULL, *cp; |
|
|
143 | |
|
|
144 | /* No match */ |
|
|
145 | char bigbuf[MAX_BUF]; |
|
|
146 | int slen; |
|
|
147 | |
|
|
148 | /* Set up replyinfo before we modify any of the buffers - this is used |
|
|
149 | * if we don't find a match. |
|
|
150 | */ |
|
|
151 | strcpy (bigbuf, "replyinfo "); |
|
|
152 | slen = strlen (bigbuf); |
|
|
153 | safe_strcat (bigbuf, buf, &slen, MAX_BUF); |
|
|
154 | |
|
|
155 | /* find the first space, make it null, and update the |
|
|
156 | * params pointer. |
|
|
157 | */ |
|
|
158 | for (cp = buf; *cp != '\0'; cp++) |
|
|
159 | if (*cp == ' ') |
|
|
160 | { |
|
|
161 | *cp = '\0'; |
|
|
162 | params = cp + 1; |
|
|
163 | break; |
|
|
164 | } |
|
|
165 | if (!strcmp (buf, "image_info")) |
|
|
166 | send_image_info (ns, params); |
|
|
167 | else if (!strcmp (buf, "image_sums")) |
|
|
168 | send_image_sums (ns, params); |
|
|
169 | else if (!strcmp (buf, "skill_info")) |
|
|
170 | send_skill_info (ns, params); |
|
|
171 | else if (!strcmp (buf, "spell_paths")) |
|
|
172 | send_spell_paths (ns, params); |
|
|
173 | else |
|
|
174 | Write_String_To_Socket (ns, bigbuf, len); |
|
|
175 | } |
|
|
176 | |
125 | |
177 | /** |
126 | /** |
178 | * Handle client input. |
127 | * Handle client input. |
179 | * |
128 | * |
180 | * HandleClient is actually not named really well - we only get here once |
129 | * HandleClient is actually not named really well - we only get here once |
181 | * there is input, so we don't do exception or other stuff here. |
130 | * there is input, so we don't do exception or other stuff here. |
182 | * sock is the output socket information. pl is the player associated |
131 | * sock is the output socket information. pl is the player associated |
183 | * with this socket, null if no player (one of the init_sockets for just |
132 | * with this socket, null if no player (one of the init_sockets for just |
184 | * starting a connection) |
133 | * starting a connection) |
185 | */ |
134 | */ |
186 | |
|
|
187 | void |
135 | void |
188 | HandleClient (NewSocket * ns, player *pl) |
136 | HandleClient (client *ns, player *pl) |
189 | { |
137 | { |
190 | int len = 0, i, cnt; |
|
|
191 | char *data; |
|
|
192 | |
|
|
193 | /* Loop through this - maybe we have several complete packets here. */ |
138 | /* Loop through this - maybe we have several complete packets here. */ |
194 | // limit to a few commands only, though, as to not monopolise the server |
139 | // limit to a few commands only, though, as to not monopolise the server |
195 | for (cnt = 16; cnt--;) |
140 | for (int repeat = 16; repeat--;) |
196 | { |
141 | { |
197 | /* If it is a player, and they don't have any speed left, we |
142 | /* If it is a player, and they don't have any speed left, we |
198 | * return, and will read in the data when they do have time. |
143 | * return, and will read in the data when they do have time. |
199 | */ |
144 | */ |
200 | if (pl && pl->state == ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) |
145 | if (pl && pl->state == ST_PLAYING && pl->ob && pl->ob->speed_left < 0) |
201 | { |
|
|
202 | return; |
146 | return; |
|
|
147 | |
|
|
148 | int pkt_len = ns->read_packet (); |
|
|
149 | |
|
|
150 | if (pkt_len < 0) |
203 | } |
151 | { |
204 | |
152 | LOG (llevError, "read error on player %s\n", &pl->ob->name); |
205 | i = SockList_ReadPacket (ns->fd, &ns->inbuf, MAXSOCKBUF - 1); |
|
|
206 | |
|
|
207 | if (i < 0) |
|
|
208 | { |
|
|
209 | #ifdef ESRV_DEBUG |
|
|
210 | LOG (llevDebug, "HandleClient: Read error on connection player %s\n", (pl ? pl->ob->name : "None")); |
|
|
211 | #endif |
|
|
212 | /* Caller will take care of cleaning this up */ |
153 | /* Caller will take care of cleaning this up */ |
213 | ns->status = Ns_Dead; |
154 | ns->status = Ns_Dead; |
214 | return; |
155 | return; |
215 | } |
156 | } |
|
|
157 | else if (pkt_len == 0) |
216 | /* Still dont have a full packet */ |
158 | /* Still dont have a full packet */ |
217 | if (i == 0) |
|
|
218 | return; |
159 | return; |
219 | |
|
|
220 | // //D//TODO//temporarily log long commands |
|
|
221 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
|
|
222 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
|
|
223 | |
160 | |
224 | /* First, break out beginning word. There are at least |
161 | /* First, break out beginning word. There are at least |
225 | * a few commands that do not have any paremeters. If |
162 | * a few commands that do not have any paremeters. If |
226 | * we get such a command, don't worry about trying |
163 | * we get such a command, don't worry about trying |
227 | * to break it up. |
164 | * to break it up. |
228 | */ |
165 | */ |
|
|
166 | int datalen; |
229 | data = (char *) strchr ((char *) ns->inbuf.buf + 2, ' '); |
167 | char *data = strchr ((char *)ns->inbuf + 2, ' '); |
|
|
168 | |
230 | if (data) |
169 | if (data) |
231 | { |
170 | { |
232 | *data = '\0'; |
171 | *data++ = 0; |
233 | data++; |
172 | datalen = pkt_len - (data - (char *)ns->inbuf); |
234 | len = ns->inbuf.len - (data - (char *) ns->inbuf.buf); |
|
|
235 | } |
173 | } |
236 | else |
174 | else |
237 | len = 0; |
|
|
238 | |
|
|
239 | ns->inbuf.buf[ns->inbuf.len] = '\0'; /* Terminate buffer - useful for string data */ |
|
|
240 | for (i = 0; nscommands[i].cmdname != NULL; i++) |
|
|
241 | { |
|
|
242 | if (strcmp ((char *) ns->inbuf.buf + 2, nscommands[i].cmdname) == 0) |
|
|
243 | { |
|
|
244 | nscommands[i].cmdproc ((char *) data, len, ns); |
|
|
245 | ns->inbuf.len = 0; |
|
|
246 | return; //D// not doing this causes random memory corruption |
|
|
247 | goto next_packet; |
|
|
248 | } |
|
|
249 | } |
175 | { |
250 | /* Player must be in the playing state or the flag on the |
176 | data = (char *)ns->inbuf + 2; // better read garbage than segfault |
251 | * the command must be zero for the user to use the command - |
177 | datalen = 0; |
252 | * otherwise, a player cam save, be in the play_again state, and |
|
|
253 | * the map they were on gets swapped out, yet things that try to look |
|
|
254 | * at the map causes a crash. If the command is valid, but |
|
|
255 | * one they can't use, we still swallow it up. |
|
|
256 | */ |
178 | } |
257 | if (pl) |
179 | |
258 | for (i = 0; plcommands[i].cmdname != NULL; i++) |
180 | ns->inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ |
|
|
181 | |
|
|
182 | for (pkt_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt) |
|
|
183 | if (!strcmp ((char *)ns->inbuf + 2, pkt->name)) |
259 | { |
184 | { |
260 | if (strcmp ((char *) ns->inbuf.buf + 2, plcommands[i].cmdname) == 0) |
185 | if (pkt->may_execute (ns)) |
261 | { |
186 | { |
262 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
187 | pkt->execute (ns, data, datalen); |
263 | plcommands[i].cmdproc ((char *) data, len, pl); |
188 | ns->skip_packet (pkt_len); |
264 | ns->inbuf.len = 0; |
|
|
265 | //D// not doing this causes random memory corruption |
189 | //D//TODO not doing this causes random memory corruption |
266 | if (plcommands[i].flag & 2) |
190 | if (pkt->flags & PF_IMMEDIATE) |
267 | goto next_packet; |
191 | goto next_packet; |
268 | return; |
192 | return; |
269 | } |
193 | } |
270 | } |
194 | } |
|
|
195 | |
271 | /* If we get here, we didn't find a valid command. Logging |
196 | /* If we get here, we didn't find a valid command. Logging |
272 | * this might be questionable, because a broken client/malicious |
197 | * this might be questionable, because a broken client/malicious |
273 | * user could certainly send a whole bunch of invalid commands. |
198 | * user could certainly send a whole bunch of invalid commands. |
274 | */ |
199 | */ |
275 | LOG (llevDebug, "Bad command from client (%s)\n", ns->inbuf.buf + 2); |
200 | LOG (llevDebug, "Bad command from client (%s)\n", ns->inbuf + 2); |
|
|
201 | ns->skip_packet (pkt_len); |
276 | next_packet: |
202 | next_packet: |
277 | ; |
203 | ; |
278 | } |
204 | } |
279 | } |
205 | } |
280 | |
|
|
281 | |
|
|
282 | /***************************************************************************** |
|
|
283 | * |
|
|
284 | * Low level socket looping - select calls and watchdog udp packet |
|
|
285 | * sending. |
|
|
286 | * |
|
|
287 | ******************************************************************************/ |
|
|
288 | |
|
|
289 | #ifdef WATCHDOG |
|
|
290 | |
|
|
291 | /** |
|
|
292 | * Tell watchdog that we are still alive |
|
|
293 | * |
|
|
294 | * I put the function here since we should hopefully already be getting |
|
|
295 | * all the needed include files for socket support |
|
|
296 | */ |
|
|
297 | |
|
|
298 | void |
|
|
299 | watchdog (void) |
|
|
300 | { |
|
|
301 | static int fd = -1; |
|
|
302 | static struct sockaddr_in insock; |
|
|
303 | |
|
|
304 | if (fd == -1) |
|
|
305 | { |
|
|
306 | struct protoent *protoent; |
|
|
307 | |
|
|
308 | if ((protoent = getprotobyname ("udp")) == NULL || (fd = socket (PF_INET, SOCK_DGRAM, protoent->p_proto)) == -1) |
|
|
309 | { |
|
|
310 | return; |
|
|
311 | } |
|
|
312 | insock.sin_family = AF_INET; |
|
|
313 | insock.sin_port = htons ((unsigned short) 13325); |
|
|
314 | insock.sin_addr.s_addr = inet_addr ("127.0.0.1"); |
|
|
315 | } |
|
|
316 | sendto (fd, (void *) &fd, 1, 0, (struct sockaddr *) &insock, sizeof (insock)); |
|
|
317 | } |
|
|
318 | #endif |
|
|
319 | |
206 | |
320 | void |
207 | void |
321 | flush_sockets (void) |
208 | flush_sockets (void) |
322 | { |
209 | { |
323 | player *pl; |
210 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i) |
324 | |
|
|
325 | for (pl = first_player; pl != NULL; pl = pl->next) |
|
|
326 | if (pl->socket.status != Ns_Dead) |
211 | if ((*i)->status != Ns_Dead) |
327 | Socket_Flush (&pl->socket); |
212 | (*i)->flush (); |
328 | } |
213 | } |
329 | |
214 | |
330 | /** |
215 | /** |
331 | * This checks the sockets for input and exceptions, does the right thing. |
216 | * This checks the sockets for input, does the right thing. |
332 | * |
217 | * |
333 | * A bit of this code is grabbed out of socket.c |
218 | * A bit of this code is grabbed out of socket.c |
334 | * There are 2 lists we need to look through - init_sockets is a list |
219 | * There are 2 lists we need to look through - init_sockets is a list |
335 | * |
220 | * |
336 | */ |
221 | */ |
337 | void |
222 | void |
338 | doeric_server (void) |
223 | doeric_server (void) |
339 | { |
224 | { |
340 | int i, pollret; |
225 | int i, pollret; |
341 | fd_set tmp_read, tmp_exceptions, tmp_write; |
226 | fd_set tmp_read; |
342 | struct sockaddr_in addr; |
227 | struct sockaddr_in addr; |
343 | socklen_t addrlen = sizeof (struct sockaddr); |
228 | socklen_t addrlen = sizeof (struct sockaddr); |
344 | player *pl, *next; |
229 | player *pl, *next; |
|
|
230 | int maxfd = 0; |
345 | |
231 | |
346 | #ifdef CS_LOGSTATS |
232 | #ifdef CS_LOGSTATS |
347 | if ((time (NULL) - cst_lst.time_start) >= CS_LOGTIME) |
233 | if ((time (NULL) - cst_lst.time_start) >= CS_LOGTIME) |
348 | write_cs_stats (); |
234 | write_cs_stats (); |
349 | #endif |
235 | #endif |
350 | |
236 | |
351 | FD_ZERO (&tmp_read); |
|
|
352 | FD_ZERO (&tmp_write); |
|
|
353 | FD_ZERO (&tmp_exceptions); |
|
|
354 | |
|
|
355 | for (i = 0; i < socket_info.allocated_sockets; i++) |
|
|
356 | { |
|
|
357 | if (init_sockets[i].status == Ns_Dead) |
|
|
358 | { |
|
|
359 | free_newsocket (&init_sockets[i]); |
|
|
360 | init_sockets[i].status = Ns_Avail; |
|
|
361 | socket_info.nconns--; |
|
|
362 | } |
|
|
363 | else if (init_sockets[i].status != Ns_Avail) |
|
|
364 | { |
|
|
365 | FD_SET ((uint32) init_sockets[i].fd, &tmp_read); |
|
|
366 | FD_SET ((uint32) init_sockets[i].fd, &tmp_write); |
|
|
367 | FD_SET ((uint32) init_sockets[i].fd, &tmp_exceptions); |
|
|
368 | } |
|
|
369 | } |
|
|
370 | |
|
|
371 | /* Go through the players. Let the loop set the next pl value, |
237 | /* Go through the players. Let the loop set the next pl value, |
372 | * since we may remove some |
238 | * since we may remove some |
373 | */ |
239 | */ |
|
|
240 | //TODO: must be handled cleanly elsewhere |
374 | for (pl = first_player; pl != NULL;) |
241 | for (pl = first_player; pl; ) |
375 | { |
242 | { |
|
|
243 | player *npl = pl->next; |
|
|
244 | |
|
|
245 | //TODO: must be handled cleanly elsewhere |
376 | if (pl->socket.status == Ns_Dead) |
246 | if (pl->socket->status == Ns_Dead) |
377 | { |
247 | { |
378 | player *npl = pl->next; |
|
|
379 | |
|
|
380 | save_player (pl->ob, 0); |
248 | save_player (pl->ob, 0); |
|
|
249 | |
381 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
250 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
382 | { |
251 | { |
383 | terminate_all_pets (pl->ob); |
252 | terminate_all_pets (pl->ob); |
384 | remove_ob (pl->ob); |
253 | pl->ob->remove (); |
385 | } |
254 | } |
|
|
255 | |
386 | leave (pl, 1); |
256 | leave (pl, 1); |
387 | final_free_player (pl); |
257 | final_free_player (pl); |
|
|
258 | } |
|
|
259 | |
388 | pl = npl; |
260 | pl = npl; |
|
|
261 | } |
|
|
262 | |
|
|
263 | FD_ZERO (&tmp_read); |
|
|
264 | |
|
|
265 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ) |
|
|
266 | { |
|
|
267 | client *s = *i; |
|
|
268 | |
|
|
269 | if (s->status == Ns_Dead) |
|
|
270 | { |
|
|
271 | clients.erase (i); |
|
|
272 | delete s; |
389 | } |
273 | } |
390 | else |
274 | else |
391 | { |
275 | { |
|
|
276 | if (s->fd > maxfd) maxfd = s->fd; |
|
|
277 | |
392 | FD_SET ((uint32) pl->socket.fd, &tmp_read); |
278 | FD_SET (s->fd, &tmp_read); |
393 | FD_SET ((uint32) pl->socket.fd, &tmp_write); |
|
|
394 | FD_SET ((uint32) pl->socket.fd, &tmp_exceptions); |
|
|
395 | pl = pl->next; |
|
|
396 | } |
|
|
397 | } |
|
|
398 | |
279 | |
399 | /* Reset timeout each time, since some OS's will change the values on |
280 | ++i; |
400 | * the return from select. |
281 | } |
401 | */ |
282 | } |
|
|
283 | |
|
|
284 | struct timeval timeout; |
|
|
285 | |
402 | socket_info.timeout.tv_sec = 0; |
286 | timeout.tv_sec = 0; |
403 | socket_info.timeout.tv_usec = 0; |
287 | timeout.tv_usec = 0; |
404 | |
288 | |
405 | pollret = select (socket_info.max_filedescriptor, &tmp_read, &tmp_write, &tmp_exceptions, &socket_info.timeout); |
289 | pollret = select (maxfd + 1, |
|
|
290 | &tmp_read, 0, 0, |
|
|
291 | &timeout); |
406 | |
292 | |
407 | if (pollret == -1) |
293 | if (pollret == -1) |
408 | { |
294 | { |
409 | LOG (llevError, "select failed: %s\n", strerror (errno)); |
295 | LOG (llevError, "select failed: %s\n", strerror (errno)); |
410 | return; |
296 | return; |
411 | } |
297 | } |
412 | |
298 | |
413 | /* We need to do some of the processing below regardless */ |
299 | /* We need to do some of the processing below regardless */ |
414 | |
300 | |
415 | /* if (!pollret) return;*/ |
301 | /* Check for any input on the sockets */ |
416 | |
302 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i) |
417 | /* Following adds a new connection */ |
|
|
418 | if (pollret && FD_ISSET (init_sockets[0].fd, &tmp_read)) |
|
|
419 | { |
303 | { |
420 | int newsocknum = 0; |
304 | client *s = *i; |
|
|
305 | player *pl = s->pl; |
421 | |
306 | |
422 | #ifdef ESRV_DEBUG |
307 | //TODO: disassociate handleclient from socket readin |
423 | LOG (llevDebug, "doeric_server: New Connection\n"); |
308 | if (s->inbuf_len || FD_ISSET (s->fd, &tmp_read)) |
424 | #endif |
309 | HandleClient (s, pl); |
425 | /* If this is the case, all sockets currently in used */ |
310 | |
426 | if (socket_info.allocated_sockets <= socket_info.nconns) |
311 | //TODO: should not be done here, either |
427 | { |
312 | if (s->status != Ns_Dead && pl) |
428 | init_sockets = (NewSocket *) realloc (init_sockets, sizeof (NewSocket) * (socket_info.nconns + 1)); |
|
|
429 | if (!init_sockets) |
|
|
430 | fatal (OUT_OF_MEMORY); |
|
|
431 | newsocknum = socket_info.allocated_sockets; |
|
|
432 | socket_info.allocated_sockets++; |
|
|
433 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
|
|
434 | init_sockets[newsocknum].faces_sent = (uint8 *) malloc (nrofpixmaps * sizeof (*init_sockets[newsocknum].faces_sent)); |
|
|
435 | if (!init_sockets[newsocknum].faces_sent) |
|
|
436 | fatal (OUT_OF_MEMORY); |
|
|
437 | init_sockets[newsocknum].status = Ns_Avail; |
|
|
438 | } |
313 | { |
439 | else |
314 | /* Update the players stats once per tick. More efficient than |
440 | { |
315 | * sending them whenever they change, and probably just as useful |
441 | int j; |
|
|
442 | |
|
|
443 | for (j = 1; j < socket_info.allocated_sockets; j++) |
|
|
444 | if (init_sockets[j].status == Ns_Avail) |
|
|
445 | { |
316 | */ |
446 | newsocknum = j; |
317 | esrv_update_stats (pl); |
447 | break; |
318 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
448 | } |
|
|
449 | } |
|
|
450 | init_sockets[newsocknum].fd = accept (init_sockets[0].fd, (struct sockaddr *) &addr, &addrlen); |
|
|
451 | if (init_sockets[newsocknum].fd == -1) |
|
|
452 | { |
|
|
453 | LOG (llevError, "accept failed: %s\n", strerror (errno)); |
|
|
454 | } |
|
|
455 | else |
|
|
456 | { |
|
|
457 | char buf[MAX_BUF]; |
|
|
458 | long ip; |
|
|
459 | NewSocket *ns; |
|
|
460 | |
|
|
461 | ns = &init_sockets[newsocknum]; |
|
|
462 | |
|
|
463 | ip = ntohl (addr.sin_addr.s_addr); |
|
|
464 | sprintf (buf, "%ld.%ld.%ld.%ld", (ip >> 24) & 255, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255); |
|
|
465 | |
|
|
466 | if (checkbanned (NULL, buf)) |
|
|
467 | { |
319 | { |
468 | LOG (llevInfo, "Banned host tried to connect: [%s]\n", buf); |
320 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
469 | close (init_sockets[newsocknum].fd); |
321 | if (pl->last_weight != WEIGHT (pl->ob)) |
470 | init_sockets[newsocknum].fd = -1; |
322 | LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
|
|
323 | (unsigned long) pl->last_weight, WEIGHT (pl->ob)); |
471 | } |
324 | } |
472 | else |
|
|
473 | { |
|
|
474 | InitConnection (ns, buf); |
|
|
475 | socket_info.nconns++; |
|
|
476 | } |
|
|
477 | } |
|
|
478 | } |
|
|
479 | |
325 | |
480 | /* Check for any exceptions/input on the sockets */ |
326 | /* draw_client_map does sanity checking that map is |
481 | if (pollret) |
327 | * valid, so don't do it here. |
482 | for (i = 1; i < socket_info.allocated_sockets; i++) |
|
|
483 | { |
|
|
484 | if (init_sockets[i].status == Ns_Avail) |
|
|
485 | continue; |
|
|
486 | if (FD_ISSET (init_sockets[i].fd, &tmp_exceptions)) |
|
|
487 | { |
|
|
488 | free_newsocket (&init_sockets[i]); |
|
|
489 | init_sockets[i].status = Ns_Avail; |
|
|
490 | socket_info.nconns--; |
|
|
491 | continue; |
|
|
492 | } |
|
|
493 | if (FD_ISSET (init_sockets[i].fd, &tmp_read)) |
|
|
494 | { |
|
|
495 | HandleClient (&init_sockets[i], NULL); |
|
|
496 | } |
|
|
497 | if (FD_ISSET (init_sockets[i].fd, &tmp_write)) |
|
|
498 | { |
|
|
499 | init_sockets[i].can_write = 1; |
|
|
500 | } |
|
|
501 | } |
|
|
502 | |
|
|
503 | /* This does roughly the same thing, but for the players now */ |
|
|
504 | for (pl = first_player; pl != NULL; pl = next) |
|
|
505 | { |
|
|
506 | |
|
|
507 | next = pl->next; |
|
|
508 | if (pl->socket.status == Ns_Dead) |
|
|
509 | continue; |
|
|
510 | |
|
|
511 | if (FD_ISSET (pl->socket.fd, &tmp_write)) |
|
|
512 | { |
|
|
513 | if (!pl->socket.can_write) |
|
|
514 | { |
|
|
515 | #if 0 |
|
|
516 | LOG (llevDebug, "Player %s socket now write enabled\n", pl->ob->name); |
|
|
517 | #endif |
|
|
518 | pl->socket.can_write = 1; |
|
|
519 | write_socket_buffer (&pl->socket); |
|
|
520 | } |
|
|
521 | /* if we get an error on the write_socket buffer, no reason to |
|
|
522 | * continue on this socket. |
|
|
523 | */ |
328 | */ |
524 | if (pl->socket.status == Ns_Dead) |
|
|
525 | continue; |
|
|
526 | } |
|
|
527 | else |
|
|
528 | pl->socket.can_write = 0; |
|
|
529 | |
|
|
530 | if (FD_ISSET (pl->socket.fd, &tmp_exceptions)) |
|
|
531 | { |
|
|
532 | save_player (pl->ob, 0); |
|
|
533 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
|
|
534 | { |
|
|
535 | terminate_all_pets (pl->ob); |
|
|
536 | remove_ob (pl->ob); |
|
|
537 | } |
|
|
538 | leave (pl, 1); |
|
|
539 | final_free_player (pl); |
|
|
540 | } |
|
|
541 | else |
|
|
542 | { |
|
|
543 | HandleClient (&pl->socket, pl); |
|
|
544 | /* If the player has left the game, then the socket status |
|
|
545 | * will be set to this be the leave function. We don't |
|
|
546 | * need to call leave again, as it has already been called |
|
|
547 | * once. |
|
|
548 | */ |
|
|
549 | if (pl->socket.status == Ns_Dead) |
|
|
550 | { |
|
|
551 | save_player (pl->ob, 0); |
|
|
552 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
|
|
553 | { |
|
|
554 | terminate_all_pets (pl->ob); |
|
|
555 | remove_ob (pl->ob); |
|
|
556 | } |
|
|
557 | leave (pl, 1); |
|
|
558 | final_free_player (pl); |
|
|
559 | } |
|
|
560 | else |
|
|
561 | { |
|
|
562 | |
|
|
563 | /* Update the players stats once per tick. More efficient than |
|
|
564 | * sending them whenever they change, and probably just as useful |
|
|
565 | */ |
|
|
566 | esrv_update_stats (pl); |
|
|
567 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
|
|
568 | { |
|
|
569 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
|
|
570 | if (pl->last_weight != WEIGHT (pl->ob)) |
|
|
571 | LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
|
|
572 | (unsigned long) pl->last_weight, WEIGHT (pl->ob)); |
|
|
573 | } |
|
|
574 | /* draw_client_map does sanity checking that map is |
|
|
575 | * valid, so don't do it here. |
|
|
576 | */ |
|
|
577 | draw_client_map (pl->ob); |
329 | draw_client_map (pl->ob); |
578 | if (pl->socket.update_look) |
330 | if (s->update_look) |
579 | esrv_draw_look (pl->ob); |
331 | esrv_draw_look (pl->ob); |
580 | } |
|
|
581 | } |
332 | } |
582 | } |
333 | } |
583 | } |
334 | } |
|
|
335 | |