| 1 |
|
| 2 |
/* |
| 3 |
* static char *rcsid_loop_c = |
| 4 |
* "$Id: loop.C,v 1.5 2006-09-09 21:48:29 root Exp $"; |
| 5 |
*/ |
| 6 |
|
| 7 |
/* |
| 8 |
CrossFire, A Multiplayer game for X-windows |
| 9 |
|
| 10 |
Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team |
| 11 |
Copyright (C) 1992 Frank Tore Johansen |
| 12 |
|
| 13 |
This program is free software; you can redistribute it and/or modify |
| 14 |
it under the terms of the GNU General Public License as published by |
| 15 |
the Free Software Foundation; either version 2 of the License, or |
| 16 |
(at your option) any later version. |
| 17 |
|
| 18 |
This program is distributed in the hope that it will be useful, |
| 19 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 |
GNU General Public License for more details. |
| 22 |
|
| 23 |
You should have received a copy of the GNU General Public License |
| 24 |
along with this program; if not, write to the Free Software |
| 25 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 26 |
|
| 27 |
The author can be reached via e-mail to crossfire-devel@real-time.com |
| 28 |
*/ |
| 29 |
|
| 30 |
/** |
| 31 |
* \file |
| 32 |
* Main client/server loops. |
| 33 |
* |
| 34 |
* \date 2003-12-02 |
| 35 |
* |
| 36 |
* loop.c mainly deals with initialization and higher level socket |
| 37 |
* maintenance (checking for lost connections and if data has arrived.) |
| 38 |
* The reading of data is handled in ericserver.c |
| 39 |
*/ |
| 40 |
|
| 41 |
|
| 42 |
#include <global.h> |
| 43 |
#ifndef __CEXTRACT__ |
| 44 |
# include <sproto.h> |
| 45 |
# include <sockproto.h> |
| 46 |
#endif |
| 47 |
|
| 48 |
#ifndef WIN32 /* ---win32 exclude unix headers */ |
| 49 |
# include <sys/types.h> |
| 50 |
# include <sys/time.h> |
| 51 |
# include <sys/socket.h> |
| 52 |
# include <netinet/in.h> |
| 53 |
# include <netdb.h> |
| 54 |
#endif /* end win32 */ |
| 55 |
|
| 56 |
#ifdef HAVE_UNISTD_H |
| 57 |
# include <unistd.h> |
| 58 |
#endif |
| 59 |
|
| 60 |
#ifdef HAVE_ARPA_INET_H |
| 61 |
# include <arpa/inet.h> |
| 62 |
#endif |
| 63 |
|
| 64 |
#include <loader.h> |
| 65 |
#include <newserver.h> |
| 66 |
|
| 67 |
/***************************************************************************** |
| 68 |
* Start of command dispatch area. |
| 69 |
* The commands here are protocol commands. |
| 70 |
****************************************************************************/ |
| 71 |
|
| 72 |
/* Either keep this near the start or end of the file so it is |
| 73 |
* at least reasonablye easy to find. |
| 74 |
* There are really 2 commands - those which are sent/received |
| 75 |
* before player joins, and those happen after the player has joined. |
| 76 |
* As such, we have function types that might be called, so |
| 77 |
* we end up having 2 tables. |
| 78 |
*/ |
| 79 |
|
| 80 |
typedef void (*func_uint8_int_ns) (char *, int, NewSocket *); |
| 81 |
|
| 82 |
struct NsCmdMapping |
| 83 |
{ |
| 84 |
const char *cmdname; |
| 85 |
func_uint8_int_ns cmdproc; |
| 86 |
}; |
| 87 |
|
| 88 |
typedef void (*func_uint8_int_pl) (char *, int, player *); |
| 89 |
struct PlCmdMapping |
| 90 |
{ |
| 91 |
const char *cmdname; |
| 92 |
func_uint8_int_pl cmdproc; |
| 93 |
uint8 flag; |
| 94 |
}; |
| 95 |
|
| 96 |
/** |
| 97 |
* Dispatch table for the server. |
| 98 |
* |
| 99 |
* CmdMapping is the dispatch table for the server, used in HandleClient, |
| 100 |
* which gets called when the client has input. All commands called here |
| 101 |
* use the same parameter form (char* data, int len, int clientnum. |
| 102 |
* We do implicit casts, because the data that is being passed is |
| 103 |
* unsigned (pretty much needs to be for binary data), however, most |
| 104 |
* of these treat it only as strings, so it makes things easier |
| 105 |
* to cast it here instead of a bunch of times in the function itself. |
| 106 |
* flag is 1 if the player must be in the playing state to issue the |
| 107 |
* command, 0 if they can issue it at any time. |
| 108 |
*/ |
| 109 |
static struct PlCmdMapping plcommands[] = { |
| 110 |
{"examine", ExamineCmd, 1}, |
| 111 |
{"apply", ApplyCmd, 1}, |
| 112 |
{"move", MoveCmd, 1}, |
| 113 |
{"reply", ReplyCmd, 0}, |
| 114 |
{"command", PlayerCmd, 1}, |
| 115 |
{"ncom", (func_uint8_int_pl) NewPlayerCmd, 1}, |
| 116 |
{"lookat", LookAt, 1}, |
| 117 |
{"lock", (func_uint8_int_pl) LockItem, 1}, |
| 118 |
{"mark", (func_uint8_int_pl) MarkItem, 1}, |
| 119 |
{"mapredraw", MapRedrawCmd, 0}, /* Added: phil */ |
| 120 |
{"mapinfo", MapInfoCmd, 2}, /* CF+ */ |
| 121 |
{"ext", ExtCmd, 2}, /* CF+ */ |
| 122 |
{NULL, NULL, 0} /* terminator */ |
| 123 |
}; |
| 124 |
|
| 125 |
/** Face-related commands */ |
| 126 |
static struct NsCmdMapping nscommands[] = { |
| 127 |
{"addme", AddMeCmd}, |
| 128 |
{"askface", SendFaceCmd}, /* Added: phil */ |
| 129 |
{"requestinfo", RequestInfo}, |
| 130 |
{"setfacemode", SetFaceMode}, |
| 131 |
{"setsound", SetSound}, |
| 132 |
{"setup", SetUp}, |
| 133 |
{"version", VersionCmd}, |
| 134 |
{"toggleextendedinfos", ToggleExtendedInfos}, /*Added: tchize */ |
| 135 |
{"toggleextendedtext", ToggleExtendedText}, /*Added: tchize */ |
| 136 |
{"asksmooth", AskSmooth}, /*Added: tchize (smoothing technologies) */ |
| 137 |
{NULL, NULL} /* terminator (I, II & III) */ |
| 138 |
}; |
| 139 |
|
| 140 |
/** |
| 141 |
* RequestInfo is sort of a meta command. There is some specific |
| 142 |
* request of information, but we call other functions to provide |
| 143 |
* that information. |
| 144 |
*/ |
| 145 |
void |
| 146 |
RequestInfo (char *buf, int len, NewSocket * ns) |
| 147 |
{ |
| 148 |
char *params = NULL, *cp; |
| 149 |
|
| 150 |
/* No match */ |
| 151 |
char bigbuf[MAX_BUF]; |
| 152 |
int slen; |
| 153 |
|
| 154 |
/* Set up replyinfo before we modify any of the buffers - this is used |
| 155 |
* if we don't find a match. |
| 156 |
*/ |
| 157 |
strcpy (bigbuf, "replyinfo "); |
| 158 |
slen = strlen (bigbuf); |
| 159 |
safe_strcat (bigbuf, buf, &slen, MAX_BUF); |
| 160 |
|
| 161 |
/* find the first space, make it null, and update the |
| 162 |
* params pointer. |
| 163 |
*/ |
| 164 |
for (cp = buf; *cp != '\0'; cp++) |
| 165 |
if (*cp == ' ') |
| 166 |
{ |
| 167 |
*cp = '\0'; |
| 168 |
params = cp + 1; |
| 169 |
break; |
| 170 |
} |
| 171 |
if (!strcmp (buf, "image_info")) |
| 172 |
send_image_info (ns, params); |
| 173 |
else if (!strcmp (buf, "image_sums")) |
| 174 |
send_image_sums (ns, params); |
| 175 |
else if (!strcmp (buf, "skill_info")) |
| 176 |
send_skill_info (ns, params); |
| 177 |
else if (!strcmp (buf, "spell_paths")) |
| 178 |
send_spell_paths (ns, params); |
| 179 |
else |
| 180 |
Write_String_To_Socket (ns, bigbuf, len); |
| 181 |
} |
| 182 |
|
| 183 |
/** |
| 184 |
* Handle client input. |
| 185 |
* |
| 186 |
* HandleClient is actually not named really well - we only get here once |
| 187 |
* there is input, so we don't do exception or other stuff here. |
| 188 |
* sock is the output socket information. pl is the player associated |
| 189 |
* with this socket, null if no player (one of the init_sockets for just |
| 190 |
* starting a connection) |
| 191 |
*/ |
| 192 |
|
| 193 |
void |
| 194 |
HandleClient (NewSocket * ns, player *pl) |
| 195 |
{ |
| 196 |
int len = 0, i, cnt; |
| 197 |
char *data; |
| 198 |
|
| 199 |
/* Loop through this - maybe we have several complete packets here. */ |
| 200 |
// limit to a few commands only, though, as to not monopolise the server |
| 201 |
for (cnt = 16; cnt--;) |
| 202 |
{ |
| 203 |
/* If it is a player, and they don't have any speed left, we |
| 204 |
* return, and will read in the data when they do have time. |
| 205 |
*/ |
| 206 |
if (pl && pl->state == ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) |
| 207 |
{ |
| 208 |
return; |
| 209 |
} |
| 210 |
|
| 211 |
i = SockList_ReadPacket (ns->fd, &ns->inbuf, MAXSOCKBUF - 1); |
| 212 |
|
| 213 |
if (i < 0) |
| 214 |
{ |
| 215 |
#ifdef ESRV_DEBUG |
| 216 |
LOG (llevDebug, "HandleClient: Read error on connection player %s\n", (pl ? pl->ob->name : "None")); |
| 217 |
#endif |
| 218 |
/* Caller will take care of cleaning this up */ |
| 219 |
ns->status = Ns_Dead; |
| 220 |
return; |
| 221 |
} |
| 222 |
/* Still dont have a full packet */ |
| 223 |
if (i == 0) |
| 224 |
return; |
| 225 |
|
| 226 |
// //D//TODO//temporarily log long commands |
| 227 |
// if (ns->inbuf.len >= 40 && pl && pl->ob) |
| 228 |
// LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
| 229 |
|
| 230 |
/* First, break out beginning word. There are at least |
| 231 |
* a few commands that do not have any paremeters. If |
| 232 |
* we get such a command, don't worry about trying |
| 233 |
* to break it up. |
| 234 |
*/ |
| 235 |
data = (char *) strchr ((char *) ns->inbuf.buf + 2, ' '); |
| 236 |
if (data) |
| 237 |
{ |
| 238 |
*data = '\0'; |
| 239 |
data++; |
| 240 |
len = ns->inbuf.len - (data - (char *) ns->inbuf.buf); |
| 241 |
} |
| 242 |
else |
| 243 |
len = 0; |
| 244 |
|
| 245 |
ns->inbuf.buf[ns->inbuf.len] = '\0'; /* Terminate buffer - useful for string data */ |
| 246 |
for (i = 0; nscommands[i].cmdname != NULL; i++) |
| 247 |
{ |
| 248 |
if (strcmp ((char *) ns->inbuf.buf + 2, nscommands[i].cmdname) == 0) |
| 249 |
{ |
| 250 |
nscommands[i].cmdproc ((char *) data, len, ns); |
| 251 |
ns->inbuf.len = 0; |
| 252 |
return; //D// not doing this causes random memory corruption |
| 253 |
goto next_packet; |
| 254 |
} |
| 255 |
} |
| 256 |
/* Player must be in the playing state or the flag on the |
| 257 |
* the command must be zero for the user to use the command - |
| 258 |
* otherwise, a player cam save, be in the play_again state, and |
| 259 |
* the map they were on gets swapped out, yet things that try to look |
| 260 |
* at the map causes a crash. If the command is valid, but |
| 261 |
* one they can't use, we still swallow it up. |
| 262 |
*/ |
| 263 |
if (pl) |
| 264 |
for (i = 0; plcommands[i].cmdname != NULL; i++) |
| 265 |
{ |
| 266 |
if (strcmp ((char *) ns->inbuf.buf + 2, plcommands[i].cmdname) == 0) |
| 267 |
{ |
| 268 |
if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
| 269 |
plcommands[i].cmdproc ((char *) data, len, pl); |
| 270 |
ns->inbuf.len = 0; |
| 271 |
//D// not doing this causes random memory corruption |
| 272 |
if (plcommands[i].flag & 2) |
| 273 |
goto next_packet; |
| 274 |
return; |
| 275 |
} |
| 276 |
} |
| 277 |
/* If we get here, we didn't find a valid command. Logging |
| 278 |
* this might be questionable, because a broken client/malicious |
| 279 |
* user could certainly send a whole bunch of invalid commands. |
| 280 |
*/ |
| 281 |
LOG (llevDebug, "Bad command from client (%s)\n", ns->inbuf.buf + 2); |
| 282 |
next_packet: |
| 283 |
; |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
|
| 288 |
/***************************************************************************** |
| 289 |
* |
| 290 |
* Low level socket looping - select calls and watchdog udp packet |
| 291 |
* sending. |
| 292 |
* |
| 293 |
******************************************************************************/ |
| 294 |
|
| 295 |
#ifdef WATCHDOG |
| 296 |
|
| 297 |
/** |
| 298 |
* Tell watchdog that we are still alive |
| 299 |
* |
| 300 |
* I put the function here since we should hopefully already be getting |
| 301 |
* all the needed include files for socket support |
| 302 |
*/ |
| 303 |
|
| 304 |
void |
| 305 |
watchdog (void) |
| 306 |
{ |
| 307 |
static int fd = -1; |
| 308 |
static struct sockaddr_in insock; |
| 309 |
|
| 310 |
if (fd == -1) |
| 311 |
{ |
| 312 |
struct protoent *protoent; |
| 313 |
|
| 314 |
if ((protoent = getprotobyname ("udp")) == NULL || (fd = socket (PF_INET, SOCK_DGRAM, protoent->p_proto)) == -1) |
| 315 |
{ |
| 316 |
return; |
| 317 |
} |
| 318 |
insock.sin_family = AF_INET; |
| 319 |
insock.sin_port = htons ((unsigned short) 13325); |
| 320 |
insock.sin_addr.s_addr = inet_addr ("127.0.0.1"); |
| 321 |
} |
| 322 |
sendto (fd, (void *) &fd, 1, 0, (struct sockaddr *) &insock, sizeof (insock)); |
| 323 |
} |
| 324 |
#endif |
| 325 |
|
| 326 |
void |
| 327 |
flush_sockets (void) |
| 328 |
{ |
| 329 |
player *pl; |
| 330 |
|
| 331 |
for (pl = first_player; pl != NULL; pl = pl->next) |
| 332 |
if (pl->socket.status != Ns_Dead) |
| 333 |
Socket_Flush (&pl->socket); |
| 334 |
} |
| 335 |
|
| 336 |
/** |
| 337 |
* This checks the sockets for input and exceptions, does the right thing. |
| 338 |
* |
| 339 |
* A bit of this code is grabbed out of socket.c |
| 340 |
* There are 2 lists we need to look through - init_sockets is a list |
| 341 |
* |
| 342 |
*/ |
| 343 |
void |
| 344 |
doeric_server (void) |
| 345 |
{ |
| 346 |
int i, pollret; |
| 347 |
fd_set tmp_read, tmp_exceptions, tmp_write; |
| 348 |
struct sockaddr_in addr; |
| 349 |
socklen_t addrlen = sizeof (struct sockaddr); |
| 350 |
player *pl, *next; |
| 351 |
|
| 352 |
#ifdef CS_LOGSTATS |
| 353 |
if ((time (NULL) - cst_lst.time_start) >= CS_LOGTIME) |
| 354 |
write_cs_stats (); |
| 355 |
#endif |
| 356 |
|
| 357 |
FD_ZERO (&tmp_read); |
| 358 |
FD_ZERO (&tmp_write); |
| 359 |
FD_ZERO (&tmp_exceptions); |
| 360 |
|
| 361 |
for (i = 0; i < socket_info.allocated_sockets; i++) |
| 362 |
{ |
| 363 |
if (init_sockets[i].status == Ns_Dead) |
| 364 |
{ |
| 365 |
free_newsocket (&init_sockets[i]); |
| 366 |
init_sockets[i].status = Ns_Avail; |
| 367 |
socket_info.nconns--; |
| 368 |
} |
| 369 |
else if (init_sockets[i].status != Ns_Avail) |
| 370 |
{ |
| 371 |
FD_SET ((uint32) init_sockets[i].fd, &tmp_read); |
| 372 |
FD_SET ((uint32) init_sockets[i].fd, &tmp_write); |
| 373 |
FD_SET ((uint32) init_sockets[i].fd, &tmp_exceptions); |
| 374 |
} |
| 375 |
} |
| 376 |
|
| 377 |
/* Go through the players. Let the loop set the next pl value, |
| 378 |
* since we may remove some |
| 379 |
*/ |
| 380 |
for (pl = first_player; pl != NULL;) |
| 381 |
{ |
| 382 |
if (pl->socket.status == Ns_Dead) |
| 383 |
{ |
| 384 |
player *npl = pl->next; |
| 385 |
|
| 386 |
save_player (pl->ob, 0); |
| 387 |
if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
| 388 |
{ |
| 389 |
terminate_all_pets (pl->ob); |
| 390 |
remove_ob (pl->ob); |
| 391 |
} |
| 392 |
leave (pl, 1); |
| 393 |
final_free_player (pl); |
| 394 |
pl = npl; |
| 395 |
} |
| 396 |
else |
| 397 |
{ |
| 398 |
FD_SET ((uint32) pl->socket.fd, &tmp_read); |
| 399 |
FD_SET ((uint32) pl->socket.fd, &tmp_write); |
| 400 |
FD_SET ((uint32) pl->socket.fd, &tmp_exceptions); |
| 401 |
pl = pl->next; |
| 402 |
} |
| 403 |
} |
| 404 |
|
| 405 |
/* Reset timeout each time, since some OS's will change the values on |
| 406 |
* the return from select. |
| 407 |
*/ |
| 408 |
socket_info.timeout.tv_sec = 0; |
| 409 |
socket_info.timeout.tv_usec = 0; |
| 410 |
|
| 411 |
pollret = select (socket_info.max_filedescriptor, &tmp_read, &tmp_write, &tmp_exceptions, &socket_info.timeout); |
| 412 |
|
| 413 |
if (pollret == -1) |
| 414 |
{ |
| 415 |
LOG (llevError, "select failed: %s\n", strerror (errno)); |
| 416 |
return; |
| 417 |
} |
| 418 |
|
| 419 |
/* We need to do some of the processing below regardless */ |
| 420 |
|
| 421 |
/* if (!pollret) return;*/ |
| 422 |
|
| 423 |
/* Following adds a new connection */ |
| 424 |
if (pollret && FD_ISSET (init_sockets[0].fd, &tmp_read)) |
| 425 |
{ |
| 426 |
int newsocknum = 0; |
| 427 |
|
| 428 |
#ifdef ESRV_DEBUG |
| 429 |
LOG (llevDebug, "doeric_server: New Connection\n"); |
| 430 |
#endif |
| 431 |
/* If this is the case, all sockets currently in used */ |
| 432 |
if (socket_info.allocated_sockets <= socket_info.nconns) |
| 433 |
{ |
| 434 |
init_sockets = (NewSocket *) realloc (init_sockets, sizeof (NewSocket) * (socket_info.nconns + 1)); |
| 435 |
if (!init_sockets) |
| 436 |
fatal (OUT_OF_MEMORY); |
| 437 |
newsocknum = socket_info.allocated_sockets; |
| 438 |
socket_info.allocated_sockets++; |
| 439 |
init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
| 440 |
init_sockets[newsocknum].faces_sent = (uint8 *) malloc (nrofpixmaps * sizeof (*init_sockets[newsocknum].faces_sent)); |
| 441 |
if (!init_sockets[newsocknum].faces_sent) |
| 442 |
fatal (OUT_OF_MEMORY); |
| 443 |
init_sockets[newsocknum].status = Ns_Avail; |
| 444 |
} |
| 445 |
else |
| 446 |
{ |
| 447 |
int j; |
| 448 |
|
| 449 |
for (j = 1; j < socket_info.allocated_sockets; j++) |
| 450 |
if (init_sockets[j].status == Ns_Avail) |
| 451 |
{ |
| 452 |
newsocknum = j; |
| 453 |
break; |
| 454 |
} |
| 455 |
} |
| 456 |
init_sockets[newsocknum].fd = accept (init_sockets[0].fd, (struct sockaddr *) &addr, &addrlen); |
| 457 |
if (init_sockets[newsocknum].fd == -1) |
| 458 |
{ |
| 459 |
LOG (llevError, "accept failed: %s\n", strerror (errno)); |
| 460 |
} |
| 461 |
else |
| 462 |
{ |
| 463 |
char buf[MAX_BUF]; |
| 464 |
long ip; |
| 465 |
NewSocket *ns; |
| 466 |
|
| 467 |
ns = &init_sockets[newsocknum]; |
| 468 |
|
| 469 |
ip = ntohl (addr.sin_addr.s_addr); |
| 470 |
sprintf (buf, "%ld.%ld.%ld.%ld", (ip >> 24) & 255, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255); |
| 471 |
|
| 472 |
if (checkbanned (NULL, buf)) |
| 473 |
{ |
| 474 |
LOG (llevInfo, "Banned host tried to connect: [%s]\n", buf); |
| 475 |
close (init_sockets[newsocknum].fd); |
| 476 |
init_sockets[newsocknum].fd = -1; |
| 477 |
} |
| 478 |
else |
| 479 |
{ |
| 480 |
InitConnection (ns, buf); |
| 481 |
socket_info.nconns++; |
| 482 |
} |
| 483 |
} |
| 484 |
} |
| 485 |
|
| 486 |
/* Check for any exceptions/input on the sockets */ |
| 487 |
if (pollret) |
| 488 |
for (i = 1; i < socket_info.allocated_sockets; i++) |
| 489 |
{ |
| 490 |
if (init_sockets[i].status == Ns_Avail) |
| 491 |
continue; |
| 492 |
if (FD_ISSET (init_sockets[i].fd, &tmp_exceptions)) |
| 493 |
{ |
| 494 |
free_newsocket (&init_sockets[i]); |
| 495 |
init_sockets[i].status = Ns_Avail; |
| 496 |
socket_info.nconns--; |
| 497 |
continue; |
| 498 |
} |
| 499 |
if (FD_ISSET (init_sockets[i].fd, &tmp_read)) |
| 500 |
{ |
| 501 |
HandleClient (&init_sockets[i], NULL); |
| 502 |
} |
| 503 |
if (FD_ISSET (init_sockets[i].fd, &tmp_write)) |
| 504 |
{ |
| 505 |
init_sockets[i].can_write = 1; |
| 506 |
} |
| 507 |
} |
| 508 |
|
| 509 |
/* This does roughly the same thing, but for the players now */ |
| 510 |
for (pl = first_player; pl != NULL; pl = next) |
| 511 |
{ |
| 512 |
|
| 513 |
next = pl->next; |
| 514 |
if (pl->socket.status == Ns_Dead) |
| 515 |
continue; |
| 516 |
|
| 517 |
if (FD_ISSET (pl->socket.fd, &tmp_write)) |
| 518 |
{ |
| 519 |
if (!pl->socket.can_write) |
| 520 |
{ |
| 521 |
#if 0 |
| 522 |
LOG (llevDebug, "Player %s socket now write enabled\n", pl->ob->name); |
| 523 |
#endif |
| 524 |
pl->socket.can_write = 1; |
| 525 |
write_socket_buffer (&pl->socket); |
| 526 |
} |
| 527 |
/* if we get an error on the write_socket buffer, no reason to |
| 528 |
* continue on this socket. |
| 529 |
*/ |
| 530 |
if (pl->socket.status == Ns_Dead) |
| 531 |
continue; |
| 532 |
} |
| 533 |
else |
| 534 |
pl->socket.can_write = 0; |
| 535 |
|
| 536 |
if (FD_ISSET (pl->socket.fd, &tmp_exceptions)) |
| 537 |
{ |
| 538 |
save_player (pl->ob, 0); |
| 539 |
if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
| 540 |
{ |
| 541 |
terminate_all_pets (pl->ob); |
| 542 |
remove_ob (pl->ob); |
| 543 |
} |
| 544 |
leave (pl, 1); |
| 545 |
final_free_player (pl); |
| 546 |
} |
| 547 |
else |
| 548 |
{ |
| 549 |
HandleClient (&pl->socket, pl); |
| 550 |
/* If the player has left the game, then the socket status |
| 551 |
* will be set to this be the leave function. We don't |
| 552 |
* need to call leave again, as it has already been called |
| 553 |
* once. |
| 554 |
*/ |
| 555 |
if (pl->socket.status == Ns_Dead) |
| 556 |
{ |
| 557 |
save_player (pl->ob, 0); |
| 558 |
if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
| 559 |
{ |
| 560 |
terminate_all_pets (pl->ob); |
| 561 |
remove_ob (pl->ob); |
| 562 |
} |
| 563 |
leave (pl, 1); |
| 564 |
final_free_player (pl); |
| 565 |
} |
| 566 |
else |
| 567 |
{ |
| 568 |
|
| 569 |
/* Update the players stats once per tick. More efficient than |
| 570 |
* sending them whenever they change, and probably just as useful |
| 571 |
*/ |
| 572 |
esrv_update_stats (pl); |
| 573 |
if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
| 574 |
{ |
| 575 |
esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
| 576 |
if (pl->last_weight != WEIGHT (pl->ob)) |
| 577 |
LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
| 578 |
(unsigned long) pl->last_weight, WEIGHT (pl->ob)); |
| 579 |
} |
| 580 |
/* draw_client_map does sanity checking that map is |
| 581 |
* valid, so don't do it here. |
| 582 |
*/ |
| 583 |
draw_client_map (pl->ob); |
| 584 |
if (pl->socket.update_look) |
| 585 |
esrv_draw_look (pl->ob); |
| 586 |
} |
| 587 |
} |
| 588 |
} |
| 589 |
} |
