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
38 #include <sys/ioctl.h>
49 #include "../lib/gen/getopt.h"
58 #include "empthread.h"
68 #include "prototypes.h"
70 static void nullify_objects(void);
71 static void init_files(void);
72 static void close_files(void);
73 static void create_pidfile(char *, pid_t);
76 static void loc_NTInit(void);
77 static void loc_NTTerm(void);
80 static char pidfname[] = "server.pid";
82 /* Debugging? If yes call abort() on internal error. */
84 /* Run as daemon? If yes, detach from controlling terminal etc. */
88 print_usage(char *program_name)
90 printf("Usage: %s [OPTION]...\n"
92 " -e CONFIG-FILE configuration file\n"
94 " -h display this help and exit\n"
96 " -i install service `%s'\n"
97 " -I NAME install service NAME\n"
99 " -p threading debug mode, implies -d\n"
101 " -r remove service `%s'\n"
102 " -R NAME remove service NAME\n"
104 " -s enable stack checking\n"
105 " -v display version information and exit\n"
106 program_name, dflt_econfig
108 , DEFAULT_SERVICE_NAME, DEFAULT_SERVICE_NAME
114 main(int argc, char **argv)
118 int install_service_set = 0;
119 char *service_name = NULL;
120 int remove_service_set = 0;
122 char *config_file = NULL;
126 # define XOPTS "iI:rR:"
130 while ((op = getopt(argc, argv, "de:hpsv" XOPTS)) != EOF) {
133 flags |= EMPTH_PRINT;
140 config_file = optarg;
144 service_name = optarg;
149 install_service_set++;
152 service_name = optarg;
157 remove_service_set++;
161 flags |= EMPTH_STACKCHECK;
164 printf("Wolfpack Empire %d.%d.%d\n",
165 EMP_VERS_MAJOR, EMP_VERS_MINOR, EMP_VERS_PATCH);
168 print_usage(argv[0]);
171 fprintf(stderr, "Try -h for help.\n");
177 if ((debug || flags || config_file != NULL) &&
178 remove_service_set) {
179 fprintf(stderr, "Can't use -p, -s, -d or -e with either "
180 "-r or -R options\n");
183 if ((debug || flags) && install_service_set) {
184 fprintf(stderr, "Can't use -d, -p or -s with either "
185 "-i or -I options\n");
188 if (install_service_set && remove_service_set) {
189 fprintf(stderr, "Can't use both -r or -R and -i or -I "
197 if (remove_service_set)
198 return remove_service(service_name);
201 if (emp_config(config_file) < 0)
203 if (chdir(datadir)) {
204 fprintf(stderr, "Can't chdir to %s (%s)\n", datadir, strerror(errno));
209 if (install_service_set)
210 return install_service(argv[0], service_name, config_file);
216 if (daemonize != 0) {
217 SERVICE_TABLE_ENTRY DispatchTable[]={{"Empire Server", service_main},{NULL, NULL}};
218 if (StartServiceCtrlDispatcher(DispatchTable))
222 * If it is service startup error then exit otherwise
223 * start server in the foreground
225 if (GetLastError() != ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
226 logerror("Failed to dispatch service (%d)", GetLastError());
241 CANT_HAPPEN("main thread terminated");
248 * Initialize for serving, acquire resources.
257 update_policy_check();
267 if (opt_MOB_ACCESS) {
268 /* This fixes up mobility upon restart */
279 start_server(int flags)
283 struct sigaction act;
287 create_pidfile(pidfname, pid);
288 logerror("------------------------------------------------------");
289 logerror("Empire server (pid %d) started", (int)pid);
292 /* signal() should not be used with mit pthreads. Anyway if u
293 have a posix threads u definitly have posix signals -- Sasha */
294 sigemptyset(&act.sa_mask);
295 act.sa_handler = shutdwn;
296 sigaction(SIGTERM, &act, NULL);
297 sigaction(SIGINT, &act, NULL);
298 act.sa_handler = panic;
299 sigaction(SIGBUS, &act, NULL);
300 sigaction(SIGSEGV, &act, NULL);
301 sigaction(SIGILL, &act, NULL);
302 sigaction(SIGFPE, &act, NULL);
303 act.sa_handler = SIG_IGN;
304 sigaction(SIGPIPE, &act, NULL);
307 empth_init((char **)&player, flags);
309 empth_create(PP_ACCEPT, player_accept, (50 * 1024), flags,
310 "AcceptPlayers", "Accept network connections", 0);
311 empth_create(PP_KILLIDLE, player_kill_idle, (50 * 1024), flags,
312 "KillIdle", "Kills idle player connections", 0);
313 empth_create(PP_SCHED, update_sched, (50 * 1024), flags, "UpdateSched",
314 "Schedules updates to occur", 0);
315 empth_create(PP_TIMESTAMP, delete_lostitems, (50 * 1024), flags,
316 "DeleteItems", "Deletes old lost items", 0);
317 if (opt_MOB_ACCESS) {
318 /* Start the mobility access check thread */
319 empth_create(PP_TIMESTAMP, mobility_check, (50 * 1024), flags,
320 "MobilityCheck", "Writes the timestamp file", 0);
324 empth_create(PP_TIMESTAMP, market_update, (50 * 1024), flags,
325 "MarketUpdate", "Updates the market", 0);
330 * Finish serving, release resources.
343 create_pidfile(char *fname, pid_t pid)
345 FILE *pidf = fopen(fname, "w");
347 || fprintf(pidf, "%d\n", pid) < 0
349 logerror("Can't write PID file (%s)", strerror(errno));
358 failed |= !ef_open(EF_NATION, O_RDWR, EFF_MEM);
359 failed |= !ef_open(EF_SECTOR, O_RDWR, EFF_MEM);
360 failed |= !ef_open(EF_SHIP, O_RDWR, EFF_MEM);
361 failed |= !ef_open(EF_PLANE, O_RDWR, EFF_MEM);
362 failed |= !ef_open(EF_LAND, O_RDWR, EFF_MEM);
363 failed |= !ef_open(EF_NEWS, O_RDWR, 0);
364 failed |= !ef_open(EF_LOAN, O_RDWR, 0);
365 failed |= !ef_open(EF_TREATY, O_RDWR, 0);
366 failed |= !ef_open(EF_NUKE, O_RDWR, EFF_MEM);
367 failed |= !ef_open(EF_POWER, O_RDWR, 0);
368 failed |= !ef_open(EF_TRADE, O_RDWR, 0);
369 failed |= !ef_open(EF_MAP, O_RDWR, EFF_MEM);
370 failed |= !ef_open(EF_BMAP, O_RDWR, EFF_MEM);
371 failed |= !ef_open(EF_COMM, O_RDWR, 0);
372 failed |= !ef_open(EF_LOST, O_RDWR, 0);
374 logerror("Missing files, giving up");
399 /* we're going down. try to close the files at least */
404 struct sigaction act;
407 sigemptyset(&act.sa_mask);
408 act.sa_handler = SIG_DFL;
409 sigaction(SIGBUS, &act, NULL);
410 sigaction(SIGSEGV, &act, NULL);
411 sigaction(SIGILL, &act, NULL);
412 sigaction(SIGFPE, &act, NULL);
413 logerror("server received fatal signal %d", sig);
416 if (CANT_HAPPEN(sig != SIGBUS && sig != SIGSEGV
417 && sig != SIGILL && sig != SIGFPE))
430 logerror("Shutdown commencing (cleaning up threads.)");
432 for (p = player_next(0); p != 0; p = player_next(p)) {
433 if (p->state != PS_PLAYING)
435 pr_flash(p, "Server shutting down...\n");
436 p->state = PS_SHUTDOWN;
439 pr_flash(p, "Shutdown aborting command\n");
441 empth_wakeup(p->proc);
445 /* Sleep and let some cleanup happen - note this doesn't work
446 when called from a signal handler, since we may or may not
447 be in the right thread. So we just pass by and kill 'em
450 empth_sleep(now + 1);
453 for (p = player_next(0); p != 0; p = player_next(p)) {
456 empth_terminate(p->proc);
457 p = player_delete(p);
460 logerror("Server shutting down on signal %d", sig);
462 logerror("Server shutting down at deity's request");
476 nullify_objects(void)
481 dchr[SCT_CAPIT] = bigcity_dchr;
483 dchr[SCT_LIGHT].d_cost = -1;
485 dchr[SCT_HEAVY].d_cost = -1;
487 dchr[SCT_OIL].d_cost = -1;
488 dchr[SCT_REFINE].d_cost = -1;
490 for (i = 0; i < pln_maxno; i++) {
496 plchr[i].pl_fuel = 0;
498 for (i = 0; i < lnd_maxno; i++) {
503 /* Fix up the military values */
504 lchr[i].l_mil = lchr[i].l_item[I_MILIT];
506 for (i = 0; i < shp_maxno; i++) {
512 if (mchr[i].m_flags & M_OIL)
516 for (i = 0; i < nuk_maxno; i++) {
522 for (i = 0; i <= SCT_MAXDEF; i++) {
528 for (i = 0; i < prd_maxno; i++) {
529 for (j = 0; j < MAXPRCON; j++) {
530 if (opt_NO_HCMS && pchr[i].p_ctype[j] == I_HCM)
531 pchr[i].p_camt[j] = 0;
532 if (opt_NO_LCMS && pchr[i].p_ctype[j] == I_LCM)
533 pchr[i].p_camt[j] = 0;
534 if (opt_NO_OIL && pchr[i].p_ctype[j] == I_OIL)
535 pchr[i].p_camt[j] = 0;
545 WORD wVersionRequested;
548 wVersionRequested = MAKEWORD(2, 0);
549 rc = WSAStartup(wVersionRequested, &wsaData);
551 logerror("WSAStartup failed. %d", rc);