2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2007, 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 files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * main.c: Empire Server main, startup and shutdown
30 * Known contributors to this file:
32 * Steve McClure, 1996, 1998
34 * Ron Koenderink, 2004-2005
35 * Markus Armbruster, 2005-2007
54 #include "empthread.h"
65 #include "prototypes.h"
71 static void create_pidfile(char *, pid_t);
74 static void loc_NTInit(void);
75 static void loc_NTTerm(void);
79 * Lock to synchronize player threads with update and shutdown.
80 * Update and shutdown takes it exclusive, commands take it shared.
82 empth_rwlock_t *play_lock;
85 * Is a thread attempting to take an exclusive play_lock?
86 * Threads holding a shared play_lock must not sleep while this is
89 int play_wrlock_wanted;
91 static char pidfname[] = "server.pid";
93 /* Run as daemon? If yes, detach from controlling terminal etc. */
94 static int daemonize = 1;
97 print_usage(char *program_name)
99 printf("Usage: %s [OPTION]...\n"
101 " -e CONFIG-FILE configuration file\n"
103 " -h display this help and exit\n"
105 " -i install service `%s'\n"
106 " -I NAME install service NAME\n"
108 " -p threading debug mode, implies -d\n"
110 " -r remove service `%s'\n"
111 " -R NAME remove service NAME\n"
113 " -s enable stack checking\n"
114 " -v display version information and exit\n",
115 program_name, dflt_econfig
117 , DEFAULT_SERVICE_NAME, DEFAULT_SERVICE_NAME
123 main(int argc, char **argv)
127 int install_service_set = 0;
128 char *program_name = NULL;
129 char *service_name = NULL;
130 int remove_service_set = 0;
132 char *config_file = NULL;
136 # define XOPTS "iI:rR:"
140 while ((op = getopt(argc, argv, "de:hpsv" XOPTS)) != EOF) {
143 flags |= EMPTH_PRINT;
150 config_file = optarg;
154 service_name = optarg;
157 install_service_set++;
160 service_name = optarg;
163 remove_service_set++;
167 flags |= EMPTH_STACKCHECK;
170 printf("%s\n\n%s", version, legal);
173 print_usage(argv[0]);
176 fprintf(stderr, "Try -h for help.\n");
182 if ((debug || flags || config_file != NULL) &&
183 remove_service_set) {
184 fprintf(stderr, "Can't use -p, -s, -d or -e with either "
185 "-r or -R options\n");
188 if ((debug || flags) && install_service_set) {
189 fprintf(stderr, "Can't use -d, -p or -s with either "
190 "-i or -I options\n");
193 if (install_service_set && remove_service_set) {
194 fprintf(stderr, "Can't use both -r or -R and -i or -I "
199 if (remove_service_set)
200 return remove_service(service_name);
201 if (install_service_set) {
202 program_name = _fullpath(NULL, argv[0], 0);
203 if (config_file != NULL)
204 config_file = _fullpath(NULL, config_file, 0);
208 if (emp_config(config_file) < 0)
211 if (chdir(configdir)) {
212 fprintf(stderr, "Can't chdir to %s (%s)\n",
213 configdir, strerror(errno));
216 if (chdir(builtindir)) {
217 fprintf(stderr, "Can't chdir to %s (%s)\n",
218 builtindir, strerror(errno));
221 if (read_builtin_tables() < 0)
223 if (chdir(configdir)) {
224 fprintf(stderr, "Can't chdir to %s (%s)\n",
225 configdir, strerror(errno));
228 if (read_custom_tables() < 0)
230 if (chdir(gamedir)) {
231 fprintf(stderr, "Can't chdir to %s (%s)\n",
232 gamedir, strerror(errno));
237 if (install_service_set)
238 return install_service(program_name, service_name, config_file);
244 if (daemonize != 0) {
245 SERVICE_TABLE_ENTRY DispatchTable[]={
246 {"Empire Server", service_main},
249 if (StartServiceCtrlDispatcher(DispatchTable))
253 * If it is service startup error then exit otherwise
254 * start server in the foreground
256 if (GetLastError() != ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
257 logerror("Failed to dispatch service (%lu)",
267 if (disassoc() < 0) {
268 logerror("Can't become daemon (%s)", strerror(errno));
276 sig = empth_wait_for_signal();
279 /* if you make changes here, also update relo() */
296 * Initialize for serving, acquire resources.
317 start_server(int flags)
322 create_pidfile(pidfname, pid);
323 logerror("------------------------------------------------------");
324 logerror("Empire server (pid %d) started", (int)pid);
326 empth_init((void **)&player, flags);
328 if (journal_startup() < 0)
331 empth_create(player_accept, 50 * 1024, flags, "AcceptPlayers", 0);
332 empth_create(player_kill_idle, 50 * 1024, flags, "KillIdle", 0);
333 empth_create(delete_lostitems, 50 * 1024, flags, "DeleteItems", 0);
340 * 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));
370 logerror("Shutdown commencing (cleaning up threads.)");
372 play_wrlock_wanted = 1;
373 for (p = player_next(0); p != 0; p = player_next(p)) {
374 if (p->state != PS_PLAYING)
376 pr_flash(p, "Server shutting down...\n");
377 p->state = PS_SHUTDOWN;
380 pr_flash(p, "Shutdown aborting command\n");
382 empth_wakeup(p->proc);
384 empth_rwlock_wrlock(play_lock);
386 logerror("Server shutting down on signal %d", sig);
388 logerror("Server shutting down at deity's request");
403 WORD wVersionRequested;
406 wVersionRequested = MAKEWORD(2, 0);
407 rc = WSAStartup(wVersionRequested, &wsaData);
409 logerror("WSAStartup failed. %d", rc);