2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * main.c: Thread and signal initialization for Empire Server
30 * Known contributors to this file:
32 * Steve McClure, 1996, 1998
36 #if defined(aix) || defined(linux)
38 #endif /* aix or linux */
42 #include <sys/ioctl.h>
51 #include "../lib/gen/getopt.h"
59 #include "empthread.h"
69 #include "prototypes.h"
71 static void nullify_objects(void);
72 static void init_files(void);
75 static void loc_NTInit(void);
78 static int mainpid = 0;
82 * If yes, don't fork into background, don't catch certain signals,
83 * call abort() on internal error.
88 print_usage(char *program_name)
91 printf("Usage: %s -i -I service_name -r -R service_name -D datadir -e config_file -d\n", program_name);
92 printf("-i install service with the default name %s\n", DEFAULT_SERVICE_NAME);
93 printf("-r remove service with the default name %s\n", DEFAULT_SERVICE_NAME);
95 printf("Usage: %s -D datadir -e config_file -d -p -s\n", program_name);
96 printf("-p print flag\n");
97 printf("-s stack check flag (include print flag)\n");
99 printf("-d debug mode\n");
103 main(int argc, char **argv)
107 int install_service_set = 0;
108 char *service_name = NULL;
109 int remove_service_set = 0;
112 char *config_file = NULL;
126 while ((op = getopt(argc, argv, "D:de:iI:rR:h")) != EOF) {
128 while ((op = getopt(argc, argv, "D:de:psh")) != EOF) {
141 config_file = optarg;
145 service_name = optarg;
150 install_service_set++;
154 service_name = optarg;
159 remove_service_set++;
163 flags |= EMPTH_PRINT;
166 flags |= EMPTH_PRINT | EMPTH_STACKCHECK;
171 print_usage(argv[0]);
177 if ((debug || datadir_set || config_file != NULL) &&
178 remove_service_set) {
179 logerror("Can't use -d, -D or -e with either "
180 "-r or -R options when starting the server");
181 printf("Can't use -d, -D or -e with either -r "
185 if (debug && install_service_set) {
186 logerror("Can't use -d with either "
187 "-i or -I options when starting the server");
188 printf("Can't use -d with either -i "
192 if (install_service_set && remove_service_set) {
193 logerror("Can't use both -r or -R and -i or -I options when starting "
195 printf("Can't use both -r or -R and -i or -I options\n");
198 if (install_service_set)
199 return install_service(argv[0], service_name, datadir_set);
200 if (remove_service_set)
201 return remove_service(service_name);
204 if (config_file == NULL) {
205 sprintf(tbuf, "%s/econfig", datadir);
209 logerror("------------------------------------------------------");
210 logerror("Empire server (pid %d) started", (int)getpid());
214 SERVICE_TABLE_ENTRY DispatchTable[]={{"Empire Server", service_main},{NULL, NULL}};
215 if (StartServiceCtrlDispatcher(DispatchTable))
218 if (GetLastError() != ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
219 logerror("Failed to dispatch service (%d)", GetLastError());
220 printf("Failed to dispatch service (%d)\n", GetLastError());
222 } else /* start in the foreground */
226 if (debug == 0 && flags == 0) {
231 start_server(flags, config_file);
233 #if defined(__linux__) && defined(_EMPTH_POSIX)
234 strcpy(tbuf, argv[0]);
235 for (op = 1; op < argc; op++) {
237 strcat(tbuf, argv[op]);
239 sprintf(argv[0], "%s (main pid: %d)", tbuf, getpid());
244 /* We should never get here. But, just in case... */
255 start_server(int flags, char *config_file)
258 struct sigaction act;
259 #endif /* POSIXSIGNALS */
264 emp_config(config_file);
265 update_policy_check();
270 /* signal() should not be used with mit pthreads. Anyway if u
271 have a posix threads u definitly have posix signals -- Sasha */
272 #if defined (POSIXSIGNALS) || defined (_EMPTH_POSIX)
274 act.sa_flags = SA_SIGINFO;
276 sigemptyset(&act.sa_mask);
277 act.sa_handler = shutdwn;
278 /* pthreads on Linux use SIGUSR1 (*shrug*) so only catch it if not on
279 a Linux box running POSIX threads -- STM */
280 #if !(defined(__linux__) && defined(_EMPTH_POSIX))
281 sigaction(SIGUSR1, &act, NULL);
283 sigaction(SIGTERM, &act, NULL);
284 sigaction(SIGINT, &act, NULL);
285 act.sa_handler = panic;
286 sigaction(SIGBUS, &act, NULL);
287 sigaction(SIGSEGV, &act, NULL);
288 sigaction(SIGILL, &act, NULL);
289 sigaction(SIGFPE, &act, NULL);
290 act.sa_handler = SIG_IGN;
291 sigaction(SIGPIPE, &act, NULL);
293 if (debug == 0 && flags == 0) {
294 /* pthreads on Linux use SIGUSR1 (*shrug*) so only catch it if not on
295 a Linux box running POSIX threads -- STM */
296 #if !(defined(__linux__) && defined(_EMPTH_POSIX))
297 signal(SIGUSR1, shutdwn);
299 signal(SIGTERM, shutdwn);
300 signal(SIGBUS, panic);
301 signal(SIGSEGV, panic);
302 signal(SIGILL, panic);
303 signal(SIGFPE, panic);
304 signal(SIGINT, shutdwn);
306 signal(SIGPIPE, SIG_IGN);
307 #endif /* POSIXSIGNALS */
309 empth_init((char **)&player, flags);
318 if (opt_MOB_ACCESS) {
319 /* This fixes up mobility upon restart */
323 empth_create(PP_ACCEPT, player_accept, (50 * 1024), flags,
324 "AcceptPlayers", "Accept network connections", 0);
325 empth_create(PP_KILLIDLE, player_kill_idle, (50 * 1024), flags,
326 "KillIdle", "Kills idle player connections", 0);
327 empth_create(PP_SCHED, update_sched, (50 * 1024), flags, "UpdateSched",
328 "Schedules updates to occur", 0);
329 empth_create(PP_TIMESTAMP, delete_lostitems, (50 * 1024), flags,
330 "DeleteItems", "Deletes old lost items", 0);
331 if (opt_MOB_ACCESS) {
332 /* Start the mobility access check thread */
333 empth_create(PP_TIMESTAMP, mobility_check, (50 * 1024), flags,
334 "MobilityCheck", "Writes the timestamp file", 0);
338 empth_create(PP_TIMESTAMP, market_update, (50 * 1024), flags,
339 "MarketUpdate", "Updates the market", 0);
346 ef_open(EF_NATION, O_RDWR, EFF_MEM);
347 ef_open(EF_SECTOR, O_RDWR, EFF_MEM);
348 ef_open(EF_SHIP, O_RDWR, EFF_MEM);
349 ef_open(EF_PLANE, O_RDWR, EFF_MEM);
350 ef_open(EF_LAND, O_RDWR, EFF_MEM);
351 ef_open(EF_NEWS, O_RDWR, 0);
352 ef_open(EF_LOAN, O_RDWR, 0);
353 ef_open(EF_TREATY, O_RDWR, 0);
354 ef_open(EF_NUKE, O_RDWR, EFF_MEM);
355 ef_open(EF_POWER, O_RDWR, 0);
356 ef_open(EF_TRADE, O_RDWR, 0);
357 ef_open(EF_MAP, O_RDWR, EFF_MEM);
358 ef_open(EF_BMAP, O_RDWR, EFF_MEM);
359 ef_open(EF_COMM, O_RDWR, 0);
360 ef_open(EF_LOST, O_RDWR, 0);
383 /* we're going down. try to close the files at least */
389 struct sigaction act;
392 sigemptyset(&act.sa_mask);
393 act.sa_handler = SIG_DFL;
394 sigaction(SIGBUS, &act, NULL);
395 sigaction(SIGSEGV, &act, NULL);
396 sigaction(SIGILL, &act, NULL);
397 sigaction(SIGFPE, &act, NULL);
399 signal(SIGBUS, SIG_DFL);
400 signal(SIGSEGV, SIG_DFL);
401 signal(SIGILL, SIG_DFL);
402 signal(SIGFPE, SIG_DFL);
403 #endif /* POSIXSIGNALS */
404 logerror("server received fatal signal %d", sig);
407 if (CANT_HAPPEN(sig != SIGBUS && sig != SIGSEGV
408 && sig != SIGILL && sig != SIGFPE))
418 struct player *p,*phold;
421 #if defined(__linux__) && defined(_EMPTH_POSIX)
422 /* This is a hack to get around the way pthreads work on Linux. This
423 may be useful on other platforms too where threads are turned into
425 if (getpid() != mainpid) {
429 if (me && me->name) {
430 if (strlen(me->name) > 5) {
431 /* Player threads are cleaned up below, so just have
432 them return. This should work. */
433 if (!strncmp("Player", me->name, 6)) {
438 /* Not a player thread - must be server thread, so exit */
444 logerror("Shutdown commencing (cleaning up threads.)");
448 if (p->state != PS_PLAYING)
450 pr_flash(p, "Server shutting down...\n");
451 p->state = PS_SHUTDOWN;
454 pr_flash(p, "Shutdown aborting command\n");
458 empth_wakeup(phold->proc);
462 /* Sleep and let some cleanup happen - note this doesn't work
463 when called from a signal handler, since we may or may not
464 be in the right thread. So we just pass by and kill 'em
467 empth_sleep(now + 1);
470 for (p = player_next(0); p != 0; p = player_next(p)) {
473 empth_terminate(p->proc);
474 p = player_delete(p);
477 logerror("Server shutting down on signal %d", sig);
479 logerror("Server shutting down at Deity's request");
486 nullify_objects(void)
491 dchr[SCT_CAPIT].d_flg = bigcity_dchr.d_flg;
492 dchr[SCT_CAPIT].d_pkg = bigcity_dchr.d_pkg;
493 dchr[SCT_CAPIT].d_build = bigcity_dchr.d_build;
494 dchr[SCT_CAPIT].d_lcms = bigcity_dchr.d_lcms;
495 dchr[SCT_CAPIT].d_hcms = bigcity_dchr.d_hcms;
496 dchr[SCT_CAPIT].d_name = bigcity_dchr.d_name;
499 dchr[SCT_LIGHT].d_cost = -1;
501 dchr[SCT_HEAVY].d_cost = -1;
503 dchr[SCT_OIL].d_cost = -1;
504 dchr[SCT_REFINE].d_cost = -1;
506 for (i = 0; i < pln_maxno; i++) {
512 plchr[i].pl_fuel = 0;
514 for (i = 0; i < lnd_maxno; i++) {
519 /* Fix up the military values */
520 lchr[i].l_mil = lchr[i].l_item[I_MILIT];
522 for (i = 0; i < shp_maxno; i++) {
528 if (mchr[i].m_flags & M_OIL)
532 for (i = 0; i < nuk_maxno; i++) {
538 for (i = 0; i <= SCT_MAXDEF; i++) {
544 for (i = 0; i < prd_maxno; i++) {
545 for (j = 0; j < MAXPRCON; j++) {
546 if (opt_NO_HCMS && pchr[i].p_ctype[j] == I_HCM)
547 pchr[i].p_camt[j] = 0;
548 if (opt_NO_LCMS && pchr[i].p_ctype[j] == I_LCM)
549 pchr[i].p_camt[j] = 0;
550 if (opt_NO_OIL && pchr[i].p_ctype[j] == I_OIL)
551 pchr[i].p_camt[j] = 0;
561 WORD wVersionRequested;
564 wVersionRequested = MAKEWORD(2, 0);
565 rc = WSAStartup(wVersionRequested, &wsaData);
567 logerror("WSAStartup failed. %d", rc);