| 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 1.6 2006/09/10 13:43:33 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 | |
| … | |
… | |
| 166 | { |
156 | { |
| 167 | *cp = '\0'; |
157 | *cp = '\0'; |
| 168 | params = cp + 1; |
158 | params = cp + 1; |
| 169 | break; |
159 | break; |
| 170 | } |
160 | } |
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161 | |
| 171 | if (!strcmp (buf, "image_info")) |
162 | if (!strcmp (buf, "image_info")) |
| 172 | send_image_info (ns, params); |
163 | send_image_info (ns, params); |
| 173 | else if (!strcmp (buf, "image_sums")) |
164 | else if (!strcmp (buf, "image_sums")) |
| 174 | send_image_sums (ns, params); |
165 | send_image_sums (ns, params); |
| 175 | else if (!strcmp (buf, "skill_info")) |
166 | else if (!strcmp (buf, "skill_info")) |
| … | |
… | |
| 332 | if (pl->socket.status != Ns_Dead) |
323 | if (pl->socket.status != Ns_Dead) |
| 333 | Socket_Flush (&pl->socket); |
324 | Socket_Flush (&pl->socket); |
| 334 | } |
325 | } |
| 335 | |
326 | |
| 336 | /** |
327 | /** |
| 337 | * This checks the sockets for input and exceptions, does the right thing. |
328 | * This checks the sockets for input, does the right thing. |
| 338 | * |
329 | * |
| 339 | * A bit of this code is grabbed out of socket.c |
330 | * 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 |
331 | * There are 2 lists we need to look through - init_sockets is a list |
| 341 | * |
332 | * |
| 342 | */ |
333 | */ |
| 343 | void |
334 | void |
| 344 | doeric_server (void) |
335 | doeric_server (void) |
| 345 | { |
336 | { |
| 346 | int i, pollret; |
337 | int i, pollret; |
| 347 | fd_set tmp_read, tmp_exceptions, tmp_write; |
338 | fd_set tmp_read, tmp_write; |
| 348 | struct sockaddr_in addr; |
339 | struct sockaddr_in addr; |
| 349 | socklen_t addrlen = sizeof (struct sockaddr); |
340 | socklen_t addrlen = sizeof (struct sockaddr); |
| 350 | player *pl, *next; |
341 | player *pl, *next; |
| 351 | |
342 | |
| 352 | #ifdef CS_LOGSTATS |
343 | #ifdef CS_LOGSTATS |
| … | |
… | |
| 354 | write_cs_stats (); |
345 | write_cs_stats (); |
| 355 | #endif |
346 | #endif |
| 356 | |
347 | |
| 357 | FD_ZERO (&tmp_read); |
348 | FD_ZERO (&tmp_read); |
| 358 | FD_ZERO (&tmp_write); |
349 | FD_ZERO (&tmp_write); |
| 359 | FD_ZERO (&tmp_exceptions); |
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| 360 | |
350 | |
| 361 | for (i = 0; i < socket_info.allocated_sockets; i++) |
351 | for (i = 0; i < socket_info.allocated_sockets; i++) |
| 362 | { |
352 | { |
| 363 | if (init_sockets[i].status == Ns_Dead) |
353 | if (init_sockets[i].status == Ns_Dead) |
| 364 | { |
354 | { |
| … | |
… | |
| 366 | init_sockets[i].status = Ns_Avail; |
356 | init_sockets[i].status = Ns_Avail; |
| 367 | socket_info.nconns--; |
357 | socket_info.nconns--; |
| 368 | } |
358 | } |
| 369 | else if (init_sockets[i].status != Ns_Avail) |
359 | else if (init_sockets[i].status != Ns_Avail) |
| 370 | { |
360 | { |
| 371 | FD_SET ((uint32) init_sockets[i].fd, &tmp_read); |
361 | FD_SET (init_sockets[i].fd, &tmp_read); |
| 372 | FD_SET ((uint32) init_sockets[i].fd, &tmp_write); |
362 | FD_SET (init_sockets[i].fd, &tmp_write); |
| 373 | FD_SET ((uint32) init_sockets[i].fd, &tmp_exceptions); |
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| 374 | } |
363 | } |
| 375 | } |
364 | } |
| 376 | |
365 | |
| 377 | /* 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, |
| 378 | * since we may remove some |
367 | * since we may remove some |
| … | |
… | |
| 382 | if (pl->socket.status == Ns_Dead) |
371 | if (pl->socket.status == Ns_Dead) |
| 383 | { |
372 | { |
| 384 | player *npl = pl->next; |
373 | player *npl = pl->next; |
| 385 | |
374 | |
| 386 | save_player (pl->ob, 0); |
375 | save_player (pl->ob, 0); |
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376 | |
| 387 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
377 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
| 388 | { |
378 | { |
| 389 | terminate_all_pets (pl->ob); |
379 | terminate_all_pets (pl->ob); |
| 390 | remove_ob (pl->ob); |
380 | pl->ob->remove (); |
| 391 | } |
381 | } |
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382 | |
| 392 | leave (pl, 1); |
383 | leave (pl, 1); |
| 393 | final_free_player (pl); |
384 | final_free_player (pl); |
| 394 | pl = npl; |
385 | pl = npl; |
| 395 | } |
386 | } |
| 396 | else |
387 | else |
| 397 | { |
388 | { |
| 398 | FD_SET ((uint32) pl->socket.fd, &tmp_read); |
389 | FD_SET ((uint32) pl->socket.fd, &tmp_read); |
| 399 | FD_SET ((uint32) pl->socket.fd, &tmp_write); |
390 | FD_SET ((uint32) pl->socket.fd, &tmp_write); |
| 400 | FD_SET ((uint32) pl->socket.fd, &tmp_exceptions); |
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| 401 | pl = pl->next; |
391 | pl = pl->next; |
| 402 | } |
392 | } |
| 403 | } |
393 | } |
| 404 | |
394 | |
| 405 | /* 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 |
| 406 | * the return from select. |
396 | * the return from select. |
| 407 | */ |
397 | */ |
| 408 | socket_info.timeout.tv_sec = 0; |
398 | socket_info.timeout.tv_sec = 0; |
| 409 | socket_info.timeout.tv_usec = 0; |
399 | socket_info.timeout.tv_usec = 0; |
| 410 | |
400 | |
| 411 | pollret = select (socket_info.max_filedescriptor, &tmp_read, &tmp_write, &tmp_exceptions, &socket_info.timeout); |
401 | pollret = select (socket_info.max_filedescriptor, |
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402 | &tmp_read, &tmp_write, 0, |
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403 | &socket_info.timeout); |
| 412 | |
404 | |
| 413 | if (pollret == -1) |
405 | if (pollret == -1) |
| 414 | { |
406 | { |
| 415 | LOG (llevError, "select failed: %s\n", strerror (errno)); |
407 | LOG (llevError, "select failed: %s\n", strerror (errno)); |
| 416 | return; |
408 | return; |
| … | |
… | |
| 451 | { |
443 | { |
| 452 | newsocknum = j; |
444 | newsocknum = j; |
| 453 | break; |
445 | break; |
| 454 | } |
446 | } |
| 455 | } |
447 | } |
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448 | |
| 456 | 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); |
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450 | |
| 457 | if (init_sockets[newsocknum].fd == -1) |
451 | if (init_sockets[newsocknum].fd == -1) |
| 458 | { |
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| 459 | LOG (llevError, "accept failed: %s\n", strerror (errno)); |
452 | LOG (llevError, "accept failed: %s\n", strerror (errno)); |
| 460 | } |
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| 461 | else |
453 | else |
| 462 | { |
454 | { |
| 463 | char buf[MAX_BUF]; |
455 | char buf[MAX_BUF]; |
| 464 | long ip; |
456 | long ip; |
| 465 | NewSocket *ns; |
457 | NewSocket *ns; |
| … | |
… | |
| 481 | socket_info.nconns++; |
473 | socket_info.nconns++; |
| 482 | } |
474 | } |
| 483 | } |
475 | } |
| 484 | } |
476 | } |
| 485 | |
477 | |
| 486 | /* Check for any exceptions/input on the sockets */ |
478 | /* Check for any input on the sockets */ |
| 487 | if (pollret) |
479 | if (pollret) |
| 488 | for (i = 1; i < socket_info.allocated_sockets; i++) |
480 | for (i = 1; i < socket_info.allocated_sockets; i++) |
| 489 | { |
481 | { |
| 490 | if (init_sockets[i].status == Ns_Avail) |
482 | if (init_sockets[i].status == Ns_Avail) |
| 491 | continue; |
483 | continue; |
| 492 | if (FD_ISSET (init_sockets[i].fd, &tmp_exceptions)) |
484 | |
| 493 | { |
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| 494 | free_newsocket (&init_sockets[i]); |
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| 495 | init_sockets[i].status = Ns_Avail; |
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| 496 | socket_info.nconns--; |
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| 497 | continue; |
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| 498 | } |
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| 499 | if (FD_ISSET (init_sockets[i].fd, &tmp_read)) |
485 | if (FD_ISSET (init_sockets[i].fd, &tmp_read)) |
| 500 | { |
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| 501 | HandleClient (&init_sockets[i], NULL); |
486 | HandleClient (&init_sockets[i], NULL); |
| 502 | } |
487 | |
| 503 | if (FD_ISSET (init_sockets[i].fd, &tmp_write)) |
488 | if (FD_ISSET (init_sockets[i].fd, &tmp_write)) |
| 504 | { |
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| 505 | init_sockets[i].can_write = 1; |
489 | init_sockets[i].can_write = 1; |
| 506 | } |
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| 507 | } |
490 | } |
| 508 | |
491 | |
| 509 | /* This does roughly the same thing, but for the players now */ |
492 | /* This does roughly the same thing, but for the players now */ |
| 510 | for (pl = first_player; pl != NULL; pl = next) |
493 | for (pl = first_player; pl != NULL; pl = next) |
| 511 | { |
494 | { |
| … | |
… | |
| 522 | LOG (llevDebug, "Player %s socket now write enabled\n", pl->ob->name); |
505 | LOG (llevDebug, "Player %s socket now write enabled\n", pl->ob->name); |
| 523 | #endif |
506 | #endif |
| 524 | pl->socket.can_write = 1; |
507 | pl->socket.can_write = 1; |
| 525 | write_socket_buffer (&pl->socket); |
508 | write_socket_buffer (&pl->socket); |
| 526 | } |
509 | } |
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510 | |
| 527 | /* if we get an error on the write_socket buffer, no reason to |
511 | /* if we get an error on the write_socket buffer, no reason to |
| 528 | * continue on this socket. |
512 | * continue on this socket. |
| 529 | */ |
513 | */ |
| 530 | if (pl->socket.status == Ns_Dead) |
514 | if (pl->socket.status == Ns_Dead) |
| 531 | continue; |
515 | continue; |
| 532 | } |
516 | } |
| 533 | else |
517 | else |
| 534 | pl->socket.can_write = 0; |
518 | pl->socket.can_write = 0; |
| 535 | |
519 | |
| 536 | if (FD_ISSET (pl->socket.fd, &tmp_exceptions)) |
520 | HandleClient (&pl->socket, pl); |
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521 | /* If the player has left the game, then the socket status |
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522 | * will be set to this be the leave function. We don't |
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523 | * need to call leave again, as it has already been called |
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524 | * once. |
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525 | */ |
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526 | if (pl->socket.status == Ns_Dead) |
| 537 | { |
527 | { |
| 538 | save_player (pl->ob, 0); |
528 | save_player (pl->ob, 0); |
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529 | |
| 539 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
530 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
| 540 | { |
531 | { |
| 541 | terminate_all_pets (pl->ob); |
532 | terminate_all_pets (pl->ob); |
| 542 | remove_ob (pl->ob); |
533 | pl->ob->remove (); |
| 543 | } |
534 | } |
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535 | |
| 544 | leave (pl, 1); |
536 | leave (pl, 1); |
| 545 | final_free_player (pl); |
537 | final_free_player (pl); |
| 546 | } |
538 | } |
| 547 | else |
539 | else |
| 548 | { |
540 | { |
| 549 | HandleClient (&pl->socket, pl); |
541 | /* Update the players stats once per tick. More efficient than |
| 550 | /* If the player has left the game, then the socket status |
542 | * sending them whenever they change, and probably just as useful |
| 551 | * will be set to this be the leave function. We don't |
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| 552 | * need to call leave again, as it has already been called |
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| 553 | * once. |
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| 554 | */ |
543 | */ |
| 555 | if (pl->socket.status == Ns_Dead) |
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| 556 | { |
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| 557 | save_player (pl->ob, 0); |
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| 558 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
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| 559 | { |
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| 560 | terminate_all_pets (pl->ob); |
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| 561 | remove_ob (pl->ob); |
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| 562 | } |
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| 563 | leave (pl, 1); |
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| 564 | final_free_player (pl); |
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| 565 | } |
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| 566 | else |
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| 567 | { |
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| 568 | |
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| 569 | /* Update the players stats once per tick. More efficient than |
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| 570 | * sending them whenever they change, and probably just as useful |
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| 571 | */ |
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| 572 | esrv_update_stats (pl); |
544 | esrv_update_stats (pl); |
| 573 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
545 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
| 574 | { |
546 | { |
| 575 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
547 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
| 576 | if (pl->last_weight != WEIGHT (pl->ob)) |
548 | 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", |
549 | 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)); |
550 | (unsigned long) pl->last_weight, WEIGHT (pl->ob)); |
| 579 | } |
551 | } |
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552 | |
| 580 | /* draw_client_map does sanity checking that map is |
553 | /* draw_client_map does sanity checking that map is |
| 581 | * valid, so don't do it here. |
554 | * valid, so don't do it here. |
| 582 | */ |
555 | */ |
| 583 | draw_client_map (pl->ob); |
556 | draw_client_map (pl->ob); |
| 584 | if (pl->socket.update_look) |
557 | if (pl->socket.update_look) |
| 585 | esrv_draw_look (pl->ob); |
558 | esrv_draw_look (pl->ob); |
| 586 | } |
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| 587 | } |
559 | } |
| 588 | } |
560 | } |
| 589 | } |
561 | } |
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562 | |
