1 | |
1 | |
2 | /* |
2 | /* |
3 | * static char *rcsid_loop_c = |
3 | * static char *rcsid_loop_c = |
4 | * "$Id: loop.C,v 1.2 2006/08/24 13:13:49 root Exp $"; |
4 | * "$Id: loop.C,v 1.3 2006/08/29 08:01:38 root Exp $"; |
5 | */ |
5 | */ |
6 | |
6 | |
7 | /* |
7 | /* |
8 | CrossFire, A Multiplayer game for X-windows |
8 | CrossFire, A Multiplayer game for X-windows |
9 | |
9 | |
… | |
… | |
156 | |
156 | |
157 | /* find the first space, make it null, and update the |
157 | /* find the first space, make it null, and update the |
158 | * params pointer. |
158 | * params pointer. |
159 | */ |
159 | */ |
160 | for (cp = buf; *cp != '\0'; cp++) |
160 | for (cp = buf; *cp != '\0'; cp++) |
161 | if (*cp==' ') { |
161 | if (*cp==' ') { |
162 | *cp = '\0'; |
162 | *cp = '\0'; |
163 | params = cp + 1; |
163 | params = cp + 1; |
164 | break; |
164 | break; |
165 | } |
165 | } |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
… | |
… | |
185 | * we basically read a byte at a time until we get a newline, error, |
185 | * we basically read a byte at a time until we get a newline, error, |
186 | * or no more characters to read. |
186 | * or no more characters to read. |
187 | */ |
187 | */ |
188 | do { |
188 | do { |
189 | /* hack to disable old socket mode without creating too many conflicts */ |
189 | /* hack to disable old socket mode without creating too many conflicts */ |
190 | if (1 || ns->inbuf.len >= MAXSOCKBUF-1) { |
190 | if (1 || ns->inbuf.len >= MAXSOCKBUF-1) { |
191 | ns->status = Ns_Dead; |
191 | ns->status = Ns_Dead; |
192 | LOG(llevDebug, "Old input socket sent too much data without newline\n"); |
192 | LOG(llevDebug, "Old input socket sent too much data without newline\n"); |
193 | return; |
193 | return; |
194 | } |
194 | } |
195 | #ifdef WIN32 /* ***win32: change oldsocket read() to recv() */ |
195 | #ifdef WIN32 /* ***win32: change oldsocket read() to recv() */ |
196 | stat = recv(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1,0); |
196 | stat = recv(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1,0); |
197 | |
197 | |
198 | if (stat==-1 && WSAGetLastError() !=WSAEWOULDBLOCK) { |
198 | if (stat==-1 && WSAGetLastError() !=WSAEWOULDBLOCK) { |
199 | #else |
199 | #else |
200 | do { |
200 | do { |
201 | stat = read(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1); |
201 | stat = read(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1); |
202 | } while ((stat<0) && (errno == EINTR)); |
202 | } while ((stat<0) && (errno == EINTR)); |
203 | |
203 | |
204 | if (stat<0 && errno != EAGAIN && errno !=EWOULDBLOCK) { |
204 | if (stat<0 && errno != EAGAIN && errno !=EWOULDBLOCK) { |
205 | #endif |
205 | #endif |
206 | LOG(llevError, "Cannot read from socket: %s\n", strerror_local(errno)); |
206 | LOG(llevError, "Cannot read from socket: %s\n", strerror_local(errno)); |
207 | ns->status = Ns_Dead; |
207 | ns->status = Ns_Dead; |
208 | return; |
208 | return; |
209 | } |
209 | } |
210 | if (stat == 0) return; |
210 | if (stat == 0) return; |
211 | } while (ns->inbuf.buf[ns->inbuf.len++]!='\n'); |
211 | } while (ns->inbuf.buf[ns->inbuf.len++]!='\n'); |
212 | |
212 | |
213 | ns->inbuf.buf[ns->inbuf.len]=0; |
213 | ns->inbuf.buf[ns->inbuf.len]=0; |
214 | |
214 | |
215 | cp = strchr((const char*)ns->inbuf.buf, ' '); |
215 | cp = strchr((const char*)ns->inbuf.buf, ' '); |
216 | if (cp) { |
216 | if (cp) { |
217 | /* Replace the space with a null, skip any more spaces */ |
217 | /* Replace the space with a null, skip any more spaces */ |
218 | *cp++=0; |
218 | *cp++=0; |
219 | while (isspace(*cp)) cp++; |
219 | while (isspace(*cp)) cp++; |
220 | } |
220 | } |
221 | |
221 | |
222 | /* Strip off all spaces and control characters from end of line */ |
222 | /* Strip off all spaces and control characters from end of line */ |
223 | for (i=ns->inbuf.len-1; i>=0; i--) { |
223 | for (i=ns->inbuf.len-1; i>=0; i--) { |
224 | if (ns->inbuf.buf[i]<=32) ns->inbuf.buf[i]=0; |
224 | if (ns->inbuf.buf[i]<=32) ns->inbuf.buf[i]=0; |
225 | else break; |
225 | else break; |
226 | } |
226 | } |
227 | ns->inbuf.len=0; /* reset for next read */ |
227 | ns->inbuf.len=0; /* reset for next read */ |
228 | |
228 | |
229 | /* If just a return, don't do anything */ |
229 | /* If just a return, don't do anything */ |
230 | if (ns->inbuf.buf[0] == 0) return; |
230 | if (ns->inbuf.buf[0] == 0) return; |
231 | if (!strcasecmp((const char*)ns->inbuf.buf,"quit")) { |
231 | if (!strcasecmp((const char*)ns->inbuf.buf,"quit")) { |
232 | ns->status = Ns_Dead; |
232 | ns->status = Ns_Dead; |
233 | return; |
233 | return; |
234 | } |
234 | } |
235 | if (!strcasecmp((const char*)ns->inbuf.buf, "listen")) { |
235 | if (!strcasecmp((const char*)ns->inbuf.buf, "listen")) { |
236 | if (cp) { |
236 | if (cp) { |
237 | char *buf="Socket switched to listen mode\n"; |
237 | char *buf="Socket switched to listen mode\n"; |
238 | |
238 | |
239 | free(ns->comment); |
239 | free(ns->comment); |
240 | ns->comment = strdup_local(cp); |
240 | ns->comment = strdup_local(cp); |
241 | ns->old_mode = Old_Listen; |
241 | ns->old_mode = Old_Listen; |
242 | cs_write_string(ns, buf, strlen(buf)); |
242 | cs_write_string(ns, buf, strlen(buf)); |
243 | } else { |
243 | } else { |
244 | char *buf="Need to supply a comment/url to listen\n"; |
244 | char *buf="Need to supply a comment/url to listen\n"; |
245 | cs_write_string(ns, buf, strlen(buf)); |
245 | cs_write_string(ns, buf, strlen(buf)); |
246 | } |
246 | } |
247 | return; |
247 | return; |
248 | } |
248 | } |
249 | if (!strcasecmp((const char*)ns->inbuf.buf, "name")) { |
249 | if (!strcasecmp((const char*)ns->inbuf.buf, "name")) { |
250 | char *cp1=NULL; |
250 | char *cp1=NULL; |
251 | if (cp) cp1= strchr(cp, ' '); |
251 | if (cp) cp1= strchr(cp, ' '); |
252 | if (cp1) { |
252 | if (cp1) { |
253 | *cp1++ = 0; |
253 | *cp1++ = 0; |
254 | while (isspace(*cp1)) cp1++; |
254 | while (isspace(*cp1)) cp1++; |
255 | } |
255 | } |
256 | if (!cp || !cp1) { |
256 | if (!cp || !cp1) { |
257 | char *buf="Need to provide a name/password to name\n"; |
257 | char *buf="Need to provide a name/password to name\n"; |
258 | cs_write_string(ns, buf, strlen(buf)); |
258 | cs_write_string(ns, buf, strlen(buf)); |
259 | return; |
259 | return; |
260 | } |
260 | } |
261 | |
261 | |
262 | if (verify_player(cp, cp1)==0) { |
262 | if (verify_player(cp, cp1)==0) { |
263 | char *buf="Welcome back\n"; |
263 | char *buf="Welcome back\n"; |
264 | free(ns->comment); |
264 | free(ns->comment); |
265 | ns->comment = strdup_local(cp); |
265 | ns->comment = strdup_local(cp); |
266 | ns->old_mode = Old_Player; |
266 | ns->old_mode = Old_Player; |
267 | cs_write_string(ns, buf, strlen(buf)); |
267 | cs_write_string(ns, buf, strlen(buf)); |
268 | } |
268 | } |
269 | else if (verify_player(cp, cp1)==2) { |
269 | else if (verify_player(cp, cp1)==2) { |
270 | ns->password_fails++; |
270 | ns->password_fails++; |
271 | if (ns->password_fails >= MAX_PASSWORD_FAILURES) { |
271 | if (ns->password_fails >= MAX_PASSWORD_FAILURES) { |
272 | char *buf="You failed to log in too many times, you will now be kicked.\n"; |
272 | char *buf="You failed to log in too many times, you will now be kicked.\n"; |
273 | LOG(llevInfo, "A player connecting from %s in oldsocketmode has been dropped for password failure\n", |
273 | LOG(llevInfo, "A player connecting from %s in oldsocketmode has been dropped for password failure\n", |
274 | ns->host); |
274 | ns->host); |
275 | cs_write_string(ns, buf, strlen(buf)); |
275 | cs_write_string(ns, buf, strlen(buf)); |
276 | ns->status = Ns_Dead; |
276 | ns->status = Ns_Dead; |
277 | } |
277 | } |
278 | else { |
278 | else { |
279 | char *buf="Could not login you in. Check your name and password.\n"; |
279 | char *buf="Could not login you in. Check your name and password.\n"; |
280 | cs_write_string(ns, buf, strlen(buf)); |
280 | cs_write_string(ns, buf, strlen(buf)); |
281 | } |
281 | } |
282 | } |
282 | } |
283 | else { |
283 | else { |
284 | char *buf="Could not login you in. Check your name and password.\n"; |
284 | char *buf="Could not login you in. Check your name and password.\n"; |
285 | cs_write_string(ns, buf, strlen(buf)); |
285 | cs_write_string(ns, buf, strlen(buf)); |
286 | } |
286 | } |
287 | return; |
287 | return; |
288 | } |
288 | } |
289 | |
289 | |
290 | command = find_oldsocket_command((char*)ns->inbuf.buf); |
290 | command = find_oldsocket_command((char*)ns->inbuf.buf); |
291 | if (!command && ns->old_mode==Old_Player) { |
291 | if (!command && ns->old_mode==Old_Player) { |
292 | command = find_oldsocket_command2((char*)ns->inbuf.buf); |
292 | command = find_oldsocket_command2((char*)ns->inbuf.buf); |
293 | } |
293 | } |
294 | if (!command) { |
294 | if (!command) { |
295 | snprintf(buf, sizeof(buf), "Could not find command: %s\n", ns->inbuf.buf); |
295 | snprintf(buf, sizeof(buf), "Could not find command: %s\n", ns->inbuf.buf); |
296 | cs_write_string(ns, buf, strlen(buf)); |
296 | cs_write_string(ns, buf, strlen(buf)); |
297 | return; |
297 | return; |
298 | } |
298 | } |
299 | |
299 | |
300 | /* This is a bit of a hack, but works. Basically, we make some |
300 | /* This is a bit of a hack, but works. Basically, we make some |
301 | * fake object and player pointers and give at it. |
301 | * fake object and player pointers and give at it. |
302 | * This works as long as the functions we are calling don't need |
302 | * This works as long as the functions we are calling don't need |
… | |
… | |
331 | char *data; |
331 | char *data; |
332 | |
332 | |
333 | /* Loop through this - maybe we have several complete packets here. */ |
333 | /* Loop through this - maybe we have several complete packets here. */ |
334 | // limit to a few commands only, though, as to not monopolise the server |
334 | // limit to a few commands only, though, as to not monopolise the server |
335 | for (cnt = 16; cnt--; ) { |
335 | for (cnt = 16; cnt--; ) { |
336 | /* If it is a player, and they don't have any speed left, we |
336 | /* If it is a player, and they don't have any speed left, we |
337 | * return, and will read in the data when they do have time. |
337 | * return, and will read in the data when they do have time. |
338 | */ |
338 | */ |
339 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
339 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
340 | return; |
340 | return; |
341 | } |
341 | } |
342 | |
342 | |
343 | if (ns->status == Ns_Old) { |
343 | if (ns->status == Ns_Old) { |
344 | Handle_Oldsocket(ns); |
344 | Handle_Oldsocket(ns); |
345 | return; |
345 | return; |
346 | } |
346 | } |
347 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
347 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
348 | /* Special hack - let the user switch to old mode if in the Ns_Add |
348 | /* Special hack - let the user switch to old mode if in the Ns_Add |
349 | * phase. Don't demand they add in the special length bytes |
349 | * phase. Don't demand they add in the special length bytes |
350 | */ |
350 | */ |
351 | if (ns->status == Ns_Add) { |
351 | if (ns->status == Ns_Add) { |
352 | if (!strncasecmp((const char*)ns->inbuf.buf,"oldsocketmode", 13)) { |
352 | if (!strncasecmp((const char*)ns->inbuf.buf,"oldsocketmode", 13)) { |
353 | ns->status = Ns_Old; |
353 | ns->status = Ns_Old; |
354 | ns->inbuf.len=0; |
354 | ns->inbuf.len=0; |
355 | cs_write_string(ns, "Switched to old socket mode\n", 28); |
355 | cs_write_string(ns, "Switched to old socket mode\n", 28); |
356 | LOG(llevDebug,"Switched socket to old socket mode\n"); |
356 | LOG(llevDebug,"Switched socket to old socket mode\n"); |
357 | return; |
357 | return; |
358 | } |
358 | } |
359 | } |
359 | } |
360 | |
360 | |
361 | if (i<0) { |
361 | if (i<0) { |
362 | #ifdef ESRV_DEBUG |
362 | #ifdef ESRV_DEBUG |
363 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
363 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
364 | #endif |
364 | #endif |
365 | /* Caller will take care of cleaning this up */ |
365 | /* Caller will take care of cleaning this up */ |
366 | ns->status =Ns_Dead; |
366 | ns->status =Ns_Dead; |
367 | return; |
367 | return; |
368 | } |
368 | } |
369 | /* Still dont have a full packet */ |
369 | /* Still dont have a full packet */ |
370 | if (i==0) return; |
370 | if (i==0) return; |
371 | |
371 | |
372 | // //D//TODO//temporarily log long commands |
372 | // //D//TODO//temporarily log long commands |
373 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
373 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
374 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
374 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
375 | |
375 | |
376 | /* First, break out beginning word. There are at least |
376 | /* First, break out beginning word. There are at least |
377 | * a few commands that do not have any paremeters. If |
377 | * a few commands that do not have any paremeters. If |
378 | * we get such a command, don't worry about trying |
378 | * we get such a command, don't worry about trying |
379 | * to break it up. |
379 | * to break it up. |
380 | */ |
380 | */ |
381 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
381 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
382 | if (data) { |
382 | if (data) { |
383 | *data='\0'; |
383 | *data='\0'; |
384 | data++; |
384 | data++; |
385 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
385 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
386 | } |
386 | } |
387 | else len=0; |
387 | else len=0; |
388 | |
388 | |
389 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
389 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
390 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
390 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
391 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
391 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
392 | nscommands[i].cmdproc((char*)data,len,ns); |
392 | nscommands[i].cmdproc((char*)data,len,ns); |
393 | ns->inbuf.len=0; |
393 | ns->inbuf.len=0; |
394 | return;//D// not doing this causes random memory corruption |
394 | return;//D// not doing this causes random memory corruption |
395 | goto next_packet; |
395 | goto next_packet; |
396 | } |
396 | } |
397 | } |
397 | } |
398 | /* Player must be in the playing state or the flag on the |
398 | /* Player must be in the playing state or the flag on the |
399 | * the command must be zero for the user to use the command - |
399 | * the command must be zero for the user to use the command - |
400 | * otherwise, a player cam save, be in the play_again state, and |
400 | * otherwise, a player cam save, be in the play_again state, and |
401 | * the map they were on gets swapped out, yet things that try to look |
401 | * the map they were on gets swapped out, yet things that try to look |
402 | * at the map causes a crash. If the command is valid, but |
402 | * at the map causes a crash. If the command is valid, but |
403 | * one they can't use, we still swallow it up. |
403 | * one they can't use, we still swallow it up. |
404 | */ |
404 | */ |
405 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
405 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
406 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
406 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
407 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
407 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
408 | plcommands[i].cmdproc((char*)data,len,pl); |
408 | plcommands[i].cmdproc((char*)data,len,pl); |
409 | ns->inbuf.len=0; |
409 | ns->inbuf.len=0; |
410 | //D// not doing this causes random memory corruption |
410 | //D// not doing this causes random memory corruption |
411 | if (plcommands[i].flag & 2) |
411 | if (plcommands[i].flag & 2) |
412 | goto next_packet; |
412 | goto next_packet; |
413 | return; |
413 | return; |
414 | } |
414 | } |
415 | } |
415 | } |
416 | /* If we get here, we didn't find a valid command. Logging |
416 | /* If we get here, we didn't find a valid command. Logging |
417 | * this might be questionable, because a broken client/malicious |
417 | * this might be questionable, because a broken client/malicious |
418 | * user could certainly send a whole bunch of invalid commands. |
418 | * user could certainly send a whole bunch of invalid commands. |
419 | */ |
419 | */ |
420 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
420 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
421 | next_packet: |
421 | next_packet: |
422 | ; |
422 | ; |
423 | } |
423 | } |
424 | } |
424 | } |
425 | |
425 | |
… | |
… | |
485 | socklen_t addrlen=sizeof(struct sockaddr); |
485 | socklen_t addrlen=sizeof(struct sockaddr); |
486 | player *pl, *next; |
486 | player *pl, *next; |
487 | |
487 | |
488 | #ifdef CS_LOGSTATS |
488 | #ifdef CS_LOGSTATS |
489 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
489 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
490 | write_cs_stats(); |
490 | write_cs_stats(); |
491 | #endif |
491 | #endif |
492 | |
492 | |
493 | FD_ZERO(&tmp_read); |
493 | FD_ZERO(&tmp_read); |
494 | FD_ZERO(&tmp_write); |
494 | FD_ZERO(&tmp_write); |
495 | FD_ZERO(&tmp_exceptions); |
495 | FD_ZERO(&tmp_exceptions); |
496 | |
496 | |
497 | for(i=0;i<socket_info.allocated_sockets;i++) { |
497 | for(i=0;i<socket_info.allocated_sockets;i++) { |
498 | if (init_sockets[i].status == Ns_Dead) { |
498 | if (init_sockets[i].status == Ns_Dead) { |
499 | free_newsocket(&init_sockets[i]); |
499 | free_newsocket(&init_sockets[i]); |
500 | init_sockets[i].status = Ns_Avail; |
500 | init_sockets[i].status = Ns_Avail; |
501 | socket_info.nconns--; |
501 | socket_info.nconns--; |
502 | } else if (init_sockets[i].status != Ns_Avail){ |
502 | } else if (init_sockets[i].status != Ns_Avail){ |
503 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
503 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
504 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
504 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
505 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
505 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
506 | } |
506 | } |
507 | } |
507 | } |
508 | |
508 | |
509 | /* Go through the players. Let the loop set the next pl value, |
509 | /* Go through the players. Let the loop set the next pl value, |
510 | * since we may remove some |
510 | * since we may remove some |
511 | */ |
511 | */ |
512 | for (pl=first_player; pl!=NULL; ) { |
512 | for (pl=first_player; pl!=NULL; ) { |
513 | if (pl->socket.status == Ns_Dead) { |
513 | if (pl->socket.status == Ns_Dead) { |
514 | player *npl=pl->next; |
514 | player *npl=pl->next; |
515 | |
515 | |
516 | save_player(pl->ob, 0); |
516 | save_player(pl->ob, 0); |
517 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
517 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
518 | terminate_all_pets(pl->ob); |
518 | terminate_all_pets(pl->ob); |
519 | remove_ob(pl->ob); |
519 | remove_ob(pl->ob); |
520 | } |
520 | } |
521 | leave(pl,1); |
521 | leave(pl,1); |
522 | final_free_player(pl); |
522 | final_free_player(pl); |
523 | pl=npl; |
523 | pl=npl; |
524 | } |
524 | } |
525 | else { |
525 | else { |
526 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
526 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
527 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
527 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
528 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
528 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
529 | pl=pl->next; |
529 | pl=pl->next; |
530 | } |
530 | } |
531 | } |
531 | } |
532 | |
532 | |
533 | /* Reset timeout each time, since some OS's will change the values on |
533 | /* Reset timeout each time, since some OS's will change the values on |
534 | * the return from select. |
534 | * the return from select. |
535 | */ |
535 | */ |
536 | socket_info.timeout.tv_sec = 0; |
536 | socket_info.timeout.tv_sec = 0; |
537 | socket_info.timeout.tv_usec = 0; |
537 | socket_info.timeout.tv_usec = 0; |
538 | |
538 | |
539 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
539 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
540 | &tmp_exceptions, &socket_info.timeout); |
540 | &tmp_exceptions, &socket_info.timeout); |
541 | |
541 | |
542 | if (pollret==-1) { |
542 | if (pollret==-1) { |
543 | LOG(llevError, "select failed: %s\n", strerror_local(errno)); |
543 | LOG(llevError, "select failed: %s\n", strerror_local(errno)); |
544 | return; |
544 | return; |
545 | } |
545 | } |
546 | |
546 | |
547 | /* We need to do some of the processing below regardless */ |
547 | /* We need to do some of the processing below regardless */ |
548 | /* if (!pollret) return;*/ |
548 | /* if (!pollret) return;*/ |
549 | |
549 | |
550 | /* Following adds a new connection */ |
550 | /* Following adds a new connection */ |
551 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
551 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
552 | int newsocknum=0; |
552 | int newsocknum=0; |
553 | |
553 | |
554 | #ifdef ESRV_DEBUG |
554 | #ifdef ESRV_DEBUG |
555 | LOG(llevDebug,"doeric_server: New Connection\n"); |
555 | LOG(llevDebug,"doeric_server: New Connection\n"); |
556 | #endif |
556 | #endif |
557 | /* If this is the case, all sockets currently in used */ |
557 | /* If this is the case, all sockets currently in used */ |
558 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
558 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
559 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
559 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
560 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
560 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
561 | newsocknum = socket_info.allocated_sockets; |
561 | newsocknum = socket_info.allocated_sockets; |
562 | socket_info.allocated_sockets++; |
562 | socket_info.allocated_sockets++; |
563 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
563 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
564 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
564 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
565 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
565 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
566 | init_sockets[newsocknum].status = Ns_Avail; |
566 | init_sockets[newsocknum].status = Ns_Avail; |
567 | } |
567 | } |
568 | else { |
568 | else { |
569 | int j; |
569 | int j; |
570 | |
570 | |
571 | for (j=1; j<socket_info.allocated_sockets; j++) |
571 | for (j=1; j<socket_info.allocated_sockets; j++) |
572 | if (init_sockets[j].status == Ns_Avail) { |
572 | if (init_sockets[j].status == Ns_Avail) { |
573 | newsocknum=j; |
573 | newsocknum=j; |
574 | break; |
574 | break; |
575 | } |
575 | } |
576 | } |
576 | } |
577 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
577 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
578 | if (init_sockets[newsocknum].fd==-1) { |
578 | if (init_sockets[newsocknum].fd==-1) { |
579 | LOG(llevError, "accept failed: %s\n", strerror_local(errno)); |
579 | LOG(llevError, "accept failed: %s\n", strerror_local(errno)); |
580 | } |
580 | } |
581 | else { |
581 | else { |
582 | char buf[MAX_BUF]; |
582 | char buf[MAX_BUF]; |
583 | long ip; |
583 | long ip; |
584 | NewSocket *ns; |
584 | NewSocket *ns; |
585 | |
585 | |
586 | ns = &init_sockets[newsocknum]; |
586 | ns = &init_sockets[newsocknum]; |
587 | |
587 | |
588 | ip = ntohl(addr.sin_addr.s_addr); |
588 | ip = ntohl(addr.sin_addr.s_addr); |
589 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
589 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
590 | |
590 | |
591 | if (checkbanned(NULL, buf)) { |
591 | if (checkbanned(NULL, buf)) { |
592 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
592 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
593 | close(init_sockets[newsocknum].fd); |
593 | close(init_sockets[newsocknum].fd); |
594 | init_sockets[newsocknum].fd = -1; |
594 | init_sockets[newsocknum].fd = -1; |
595 | } |
595 | } |
596 | else { |
596 | else { |
597 | InitConnection(ns, buf); |
597 | InitConnection(ns, buf); |
598 | socket_info.nconns++; |
598 | socket_info.nconns++; |
599 | } |
599 | } |
600 | } |
600 | } |
601 | } |
601 | } |
602 | |
602 | |
603 | /* Check for any exceptions/input on the sockets */ |
603 | /* Check for any exceptions/input on the sockets */ |
604 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
604 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
605 | if (init_sockets[i].status == Ns_Avail) continue; |
605 | if (init_sockets[i].status == Ns_Avail) continue; |
606 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
606 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
607 | free_newsocket(&init_sockets[i]); |
607 | free_newsocket(&init_sockets[i]); |
608 | init_sockets[i].status = Ns_Avail; |
608 | init_sockets[i].status = Ns_Avail; |
609 | socket_info.nconns--; |
609 | socket_info.nconns--; |
610 | continue; |
610 | continue; |
611 | } |
611 | } |
612 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
612 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
613 | HandleClient(&init_sockets[i], NULL); |
613 | HandleClient(&init_sockets[i], NULL); |
614 | } |
614 | } |
615 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
615 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
616 | init_sockets[i].can_write=1; |
616 | init_sockets[i].can_write=1; |
617 | } |
617 | } |
618 | } |
618 | } |
619 | |
619 | |
620 | /* This does roughly the same thing, but for the players now */ |
620 | /* This does roughly the same thing, but for the players now */ |
621 | for (pl=first_player; pl!=NULL; pl=next) { |
621 | for (pl=first_player; pl!=NULL; pl=next) { |
622 | |
622 | |
623 | next=pl->next; |
623 | next=pl->next; |
624 | if (pl->socket.status==Ns_Dead) continue; |
624 | if (pl->socket.status==Ns_Dead) continue; |
625 | |
625 | |
626 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
626 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
627 | if (!pl->socket.can_write) { |
627 | if (!pl->socket.can_write) { |
628 | #if 0 |
628 | #if 0 |
629 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
629 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
630 | #endif |
630 | #endif |
631 | pl->socket.can_write=1; |
631 | pl->socket.can_write=1; |
632 | write_socket_buffer(&pl->socket); |
632 | write_socket_buffer(&pl->socket); |
633 | } |
633 | } |
634 | /* if we get an error on the write_socket buffer, no reason to |
634 | /* if we get an error on the write_socket buffer, no reason to |
635 | * continue on this socket. |
635 | * continue on this socket. |
636 | */ |
636 | */ |
637 | if (pl->socket.status==Ns_Dead) continue; |
637 | if (pl->socket.status==Ns_Dead) continue; |
638 | } |
638 | } |
639 | else pl->socket.can_write=0; |
639 | else pl->socket.can_write=0; |
640 | |
640 | |
641 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
641 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
642 | save_player(pl->ob, 0); |
642 | save_player(pl->ob, 0); |
643 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
643 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
644 | terminate_all_pets(pl->ob); |
644 | terminate_all_pets(pl->ob); |
645 | remove_ob(pl->ob); |
645 | remove_ob(pl->ob); |
646 | } |
646 | } |
647 | leave(pl,1); |
647 | leave(pl,1); |
648 | final_free_player(pl); |
648 | final_free_player(pl); |
649 | } |
649 | } |
650 | else { |
650 | else { |
651 | HandleClient(&pl->socket, pl); |
651 | HandleClient(&pl->socket, pl); |
652 | /* If the player has left the game, then the socket status |
652 | /* If the player has left the game, then the socket status |
653 | * will be set to this be the leave function. We don't |
653 | * will be set to this be the leave function. We don't |
654 | * need to call leave again, as it has already been called |
654 | * need to call leave again, as it has already been called |
655 | * once. |
655 | * once. |
656 | */ |
656 | */ |
657 | if (pl->socket.status==Ns_Dead) { |
657 | if (pl->socket.status==Ns_Dead) { |
658 | save_player(pl->ob, 0); |
658 | save_player(pl->ob, 0); |
659 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
659 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
660 | terminate_all_pets(pl->ob); |
660 | terminate_all_pets(pl->ob); |
661 | remove_ob(pl->ob); |
661 | remove_ob(pl->ob); |
662 | } |
662 | } |
663 | leave(pl,1); |
663 | leave(pl,1); |
664 | final_free_player(pl); |
664 | final_free_player(pl); |
665 | } else { |
665 | } else { |
666 | |
666 | |
667 | /* Update the players stats once per tick. More efficient than |
667 | /* Update the players stats once per tick. More efficient than |
668 | * sending them whenever they change, and probably just as useful |
668 | * sending them whenever they change, and probably just as useful |
669 | */ |
669 | */ |
670 | esrv_update_stats(pl); |
670 | esrv_update_stats(pl); |
671 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
671 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
672 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
672 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
673 | if(pl->last_weight != WEIGHT(pl->ob)) |
673 | if(pl->last_weight != WEIGHT(pl->ob)) |
674 | 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)); |
674 | 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)); |
675 | } |
675 | } |
676 | /* draw_client_map does sanity checking that map is |
676 | /* draw_client_map does sanity checking that map is |
677 | * valid, so don't do it here. |
677 | * valid, so don't do it here. |
678 | */ |
678 | */ |
679 | draw_client_map(pl->ob); |
679 | draw_client_map(pl->ob); |
680 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
680 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
681 | } |
681 | } |
682 | } |
682 | } |
683 | } |
683 | } |
684 | } |
684 | } |