2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2005, 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 /* Run as daemon? If yes, detach from controlling terminal etc. */
86 print_usage(char *program_name)
88 printf("Usage: %s [OPTION]...\n"
90 " -e CONFIG-FILE configuration file\n"
92 " -h display this help and exit\n"
94 " -i install service `%s'\n"
95 " -I NAME install service NAME\n"
97 " -p threading debug mode, implies -d\n"
99 " -r remove service `%s'\n"
100 " -R NAME remove service NAME\n"
102 " -s enable stack checking\n"
103 " -v display version information and exit\n",
104 program_name, dflt_econfig
106 , DEFAULT_SERVICE_NAME, DEFAULT_SERVICE_NAME
112 main(int argc, char **argv)
116 int install_service_set = 0;
117 char *program_name = NULL;
118 char *service_name = NULL;
119 int remove_service_set = 0;
121 char *config_file = NULL;
125 # define XOPTS "iI:rR:"
129 while ((op = getopt(argc, argv, "de:hpsv" XOPTS)) != EOF) {
132 flags |= EMPTH_PRINT;
139 config_file = optarg;
143 service_name = optarg;
148 install_service_set++;
151 service_name = optarg;
156 remove_service_set++;
160 flags |= EMPTH_STACKCHECK;
163 printf("Wolfpack Empire %d.%d.%d\n",
164 EMP_VERS_MAJOR, EMP_VERS_MINOR, EMP_VERS_PATCH);
167 print_usage(argv[0]);
170 fprintf(stderr, "Try -h for help.\n");
176 if ((debug || flags || config_file != NULL) &&
177 remove_service_set) {
178 fprintf(stderr, "Can't use -p, -s, -d or -e with either "
179 "-r or -R options\n");
182 if ((debug || flags) && install_service_set) {
183 fprintf(stderr, "Can't use -d, -p or -s with either "
184 "-i or -I options\n");
187 if (install_service_set && remove_service_set) {
188 fprintf(stderr, "Can't use both -r or -R and -i or -I "
196 if (remove_service_set)
197 return remove_service(service_name);
198 if (install_service_set) {
199 program_name = _fullpath(NULL, argv[0], 0);
200 if (config_file != NULL)
201 config_file = _fullpath(NULL, config_file, 0);
205 if (emp_config(config_file) < 0)
207 if (chdir(datadir)) {
208 fprintf(stderr, "Can't chdir to %s (%s)\n", datadir, strerror(errno));
213 if (install_service_set)
214 return install_service(program_name, service_name, config_file);
220 if (daemonize != 0) {
221 SERVICE_TABLE_ENTRY DispatchTable[]={{"Empire Server", service_main},{NULL, NULL}};
222 if (StartServiceCtrlDispatcher(DispatchTable))
226 * If it is service startup error then exit otherwise
227 * start server in the foreground
229 if (GetLastError() != ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
230 logerror("Failed to dispatch service (%d)", GetLastError());
239 if (disassoc() < 0) {
240 logerror("Can't become daemon (%s)", strerror(errno));
249 CANT_HAPPEN("main thread terminated");
256 * Initialize for serving, acquire resources.
265 update_policy_check();
277 if (opt_MOB_ACCESS) {
278 /* This fixes up mobility upon restart */
289 start_server(int flags)
293 struct sigaction act;
297 create_pidfile(pidfname, pid);
298 logerror("------------------------------------------------------");
299 logerror("Empire server (pid %d) started", (int)pid);
302 /* signal() should not be used with mit pthreads. Anyway if u
303 have a posix threads u definitly have posix signals -- Sasha */
305 sigemptyset(&act.sa_mask);
306 act.sa_handler = shutdwn;
307 sigaction(SIGTERM, &act, NULL);
308 sigaction(SIGINT, &act, NULL);
309 act.sa_handler = panic;
310 sigaction(SIGBUS, &act, NULL);
311 sigaction(SIGSEGV, &act, NULL);
312 sigaction(SIGILL, &act, NULL);
313 sigaction(SIGFPE, &act, NULL);
314 act.sa_handler = SIG_IGN;
315 sigaction(SIGPIPE, &act, NULL);
318 empth_init((void **)&player, flags);
320 empth_create(PP_ACCEPT, player_accept, (50 * 1024), flags,
321 "AcceptPlayers", "Accept network connections", 0);
322 empth_create(PP_KILLIDLE, player_kill_idle, (50 * 1024), flags,
323 "KillIdle", "Kills idle player connections", 0);
324 empth_create(PP_SCHED, update_sched, (50 * 1024), flags, "UpdateSched",
325 "Schedules updates to occur", 0);
326 empth_create(PP_TIMESTAMP, delete_lostitems, (50 * 1024), flags,
327 "DeleteItems", "Deletes old lost items", 0);
328 if (opt_MOB_ACCESS) {
329 /* Start the mobility access check thread */
330 empth_create(PP_TIMESTAMP, mobility_check, (50 * 1024), flags,
331 "MobilityCheck", "Writes the timestamp file", 0);
335 empth_create(PP_TIMESTAMP, market_update, (50 * 1024), flags,
336 "MarketUpdate", "Updates the market", 0);
341 * Finish serving, release resources.
354 create_pidfile(char *fname, pid_t pid)
356 FILE *pidf = fopen(fname, "w");
358 || fprintf(pidf, "%d\n", (int)pid) < 0
360 logerror("Can't write PID file (%s)", strerror(errno));
369 failed |= !ef_open(EF_NATION, EFF_MEM);
370 failed |= !ef_open(EF_SECTOR, EFF_MEM);
371 failed |= !ef_open(EF_SHIP, EFF_MEM);
372 failed |= !ef_open(EF_PLANE, EFF_MEM);
373 failed |= !ef_open(EF_LAND, EFF_MEM);
374 failed |= !ef_open(EF_NEWS, 0);
375 failed |= !ef_open(EF_LOAN, 0);
376 failed |= !ef_open(EF_TREATY, 0);
377 failed |= !ef_open(EF_NUKE, EFF_MEM);
378 failed |= !ef_open(EF_POWER, 0);
379 failed |= !ef_open(EF_TRADE, 0);
380 failed |= !ef_open(EF_MAP, EFF_MEM);
381 failed |= !ef_open(EF_BMAP, EFF_MEM);
382 failed |= !ef_open(EF_COMM, 0);
383 failed |= !ef_open(EF_LOST, 0);
385 logerror("Missing files, giving up");
410 /* we're going down. try to close the files at least */
415 struct sigaction act;
418 sigemptyset(&act.sa_mask);
419 act.sa_handler = SIG_DFL;
420 sigaction(SIGBUS, &act, NULL);
421 sigaction(SIGSEGV, &act, NULL);
422 sigaction(SIGILL, &act, NULL);
423 sigaction(SIGFPE, &act, NULL);
424 logerror("server received fatal signal %d", sig);
427 if (CANT_HAPPEN(sig != SIGBUS && sig != SIGSEGV
428 && sig != SIGILL && sig != SIGFPE))
441 logerror("Shutdown commencing (cleaning up threads.)");
443 for (p = player_next(0); p != 0; p = player_next(p)) {
444 if (p->state != PS_PLAYING)
446 pr_flash(p, "Server shutting down...\n");
447 p->state = PS_SHUTDOWN;
450 pr_flash(p, "Shutdown aborting command\n");
452 empth_wakeup(p->proc);
456 /* Sleep and let some cleanup happen - note this doesn't work
457 when called from a signal handler, since we may or may not
458 be in the right thread. So we just pass by and kill 'em
461 empth_sleep(now + 1);
464 for (p = player_next(0); p != 0; p = player_next(p)) {
467 empth_terminate(p->proc);
468 p = player_delete(p);
471 logerror("Server shutting down on signal %d", sig);
473 logerror("Server shutting down at deity's request");
487 nullify_objects(void)
492 dchr[SCT_CAPIT] = bigcity_dchr;
494 dchr[SCT_LIGHT].d_cost = -1;
496 dchr[SCT_HEAVY].d_cost = -1;
498 dchr[SCT_OIL].d_cost = -1;
499 dchr[SCT_REFINE].d_cost = -1;
501 for (i = 0; plchr[i].pl_name; i++) {
507 plchr[i].pl_fuel = 0;
509 for (i = 0; lchr[i].l_name; i++) {
514 /* Fix up the military values */
515 lchr[i].l_mil = lchr[i].l_item[I_MILIT];
517 for (i = 0; mchr[i].m_name; i++) {
523 mchr[i].m_flags &= ~M_OIL;
525 for (i = 0; nchr[i].n_name; i++) {
531 for (i = 0; i <= SCT_MAXDEF; i++) {
537 for (i = 0; pchr[i].p_name; i++) {
538 for (j = 0; j < MAXPRCON; j++) {
539 if (opt_NO_HCMS && pchr[i].p_ctype[j] == I_HCM)
540 pchr[i].p_camt[j] = 0;
541 if (opt_NO_LCMS && pchr[i].p_ctype[j] == I_LCM)
542 pchr[i].p_camt[j] = 0;
543 if (opt_NO_OIL && pchr[i].p_ctype[j] == I_OIL)
544 pchr[i].p_camt[j] = 0;
547 for (i = 0; intrchr[i].in_name; i++) {
549 intrchr[i].in_hcms = 0;
551 intrchr[i].in_lcms = 0;
560 WORD wVersionRequested;
563 wVersionRequested = MAKEWORD(2, 0);
564 rc = WSAStartup(wVersionRequested, &wsaData);
566 logerror("WSAStartup failed. %d", rc);