Import of Empire 4.2.12
This commit is contained in:
commit
d8b7fdfae1
817 changed files with 126589 additions and 0 deletions
486
src/server/main.c
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486
src/server/main.c
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/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* main.c: Thread and signal initialization for Empire Server
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*
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* Known contributors to this file:
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* Dave Pare, 1994
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* Steve McClure, 1996, 1998
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* Doug Hay, 1998
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*/
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#if defined(aix) || defined(linux)
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#include <unistd.h>
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#endif /* aix or linux */
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#include <signal.h>
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#include <errno.h>
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#if !defined(_WIN32)
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#include <sys/ioctl.h>
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#endif
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#include <fcntl.h>
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#include <stdio.h>
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#if defined(_WIN32)
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#include <winsock.h>
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#endif
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#include "misc.h"
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#include "nat.h"
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#include "file.h"
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#include "player.h"
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#include "empthread.h"
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#include "plane.h"
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#include "nuke.h"
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#include "land.h"
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#include "ship.h"
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#include "sect.h"
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#include "var.h"
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#include "product.h"
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#include "optlist.h"
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#include "global.h"
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#include "prototypes.h"
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s_char program[] = "server";
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extern void player_accept();
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extern void player_kill_idle();
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extern void update_sched();
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extern void delete_lostitems();
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void nullify_objects(void);
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void init_files(void);
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void close_files(void);
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#if defined(_WIN32)
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static void loc_NTInit(void);
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static void loc_NTTerm(void);
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#endif
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extern void mobility_init();
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extern void mobility_check();
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extern void market_update();
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#if !defined(_WIN32)
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static int mainpid = 0;
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#endif
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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time_t now;
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int hour[2];
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int flags = 0;
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int debug = 0;
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int op;
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char *config_file = NULL;
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extern s_char *datadir;
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extern char *optarg;
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s_char tbuf[256];
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#ifdef POSIXSIGNALS
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struct sigaction act;
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#endif /* POSIXSIGNALS */
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#if !defined(_WIN32)
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mainpid = getpid();
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while ((op = getopt(argc, argv, "D:de:psh")) != EOF) {
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switch (op) {
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case 'D':
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datadir = optarg;
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break;
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case 'd':
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debug++;
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break;
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case 'e':
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config_file = optarg;
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break;
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case 'p':
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flags |= EMPTH_PRINT;
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break;
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case 's':
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flags |= EMPTH_PRINT|EMPTH_STACKCHECK;
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break;
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case 'h':
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default:
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printf("Usage: %s -d -p -s\n",argv[0]);
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return 0;
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}
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}
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#endif
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if (config_file == NULL) {
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sprintf (tbuf, "%s/econfig", datadir);
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config_file = tbuf;
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}
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logerror("------------------------------------------------------");
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#if !defined(_WIN32)
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logerror("Empire server (pid %d) started", getpid());
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#else
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logerror("Empire server started");
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#endif /* _WIN32 */
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#if defined(_WIN32)
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loc_NTInit();
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#endif
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emp_config (config_file);
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update_policy_check();
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nullify_objects();
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#if !defined(_WIN32)
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/* signal() should not be used with mit pthreads. Anyway if u
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have a posix threads u definitly have posix signals -- Sasha */
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#if defined (POSIXSIGNALS) || defined (_EMPTH_POSIX)
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#ifdef SA_SIGINFO
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act.sa_flags = SA_SIGINFO;
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#endif
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sigemptyset (&act.sa_mask);
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if (debug == 0 && flags == 0) {
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disassoc();
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}
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act.sa_handler = shutdwn;
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/* pthreads on Linux use SIGUSR1 (*shrug*) so only catch it if not on
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a Linux box running POSIX threads -- STM */
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#if !(defined(__linux__) && defined(_EMPTH_POSIX))
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sigaction (SIGUSR1, &act, NULL);
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#endif
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sigaction (SIGTERM, &act, NULL);
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sigaction (SIGINT, &act, NULL);
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act.sa_handler = panic;
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sigaction (SIGBUS, &act, NULL);
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sigaction (SIGSEGV, &act, NULL);
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sigaction (SIGILL, &act, NULL);
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sigaction (SIGFPE, &act, NULL);
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act.sa_handler = SIG_IGN;
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sigaction(SIGPIPE, &act, NULL);
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#else
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if (debug == 0 && flags == 0) {
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disassoc();
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/* pthreads on Linux use SIGUSR1 (*shrug*) so only catch it if not on
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a Linux box running POSIX threads -- STM */
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#if !(defined(__linux__) && defined(_EMPTH_POSIX))
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signal(SIGUSR1, shutdwn);
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#endif
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signal(SIGTERM, shutdwn);
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signal(SIGBUS, panic);
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signal(SIGSEGV, panic);
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signal(SIGILL, panic);
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signal(SIGFPE, panic);
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signal(SIGINT, shutdwn);
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}
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signal(SIGPIPE, SIG_IGN);
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#endif /* POSIXSIGNALS */
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#endif /* _WIN32 */
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empth_init((char **)&player, flags);
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time(&now);
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#if !defined(_WIN32)
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srandom(now);
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#else
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srand(now);
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#endif /* _WIN32 */
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setfdtablesize(32, 256);
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global_init();
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shutdown_init();
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player_init();
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ef_init();
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init_files();
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io_init();
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gamehours(now, hour);
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if (opt_MOB_ACCESS) {
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/* This fixes up mobility upon restart */
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mobility_init();
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}
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empth_create(PP_ACCEPT, player_accept, (50*1024), flags, "AcceptPlayers",
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"Accept network connections", 0);
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empth_create(PP_KILLIDLE, player_kill_idle, (50*1024), flags, "KillIdle",
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"Kills idle player connections", 0);
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empth_create(PP_SCHED, update_sched, (50*1024), flags, "UpdateSched",
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"Schedules updates to occur", 0);
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empth_create(PP_TIMESTAMP, delete_lostitems, (50*1024), flags, "DeleteItems",
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"Deletes old lost items", 0);
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if (opt_MOB_ACCESS) {
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/* Start the mobility access check thread */
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empth_create(PP_TIMESTAMP, mobility_check, (50*1024), flags, "MobilityCheck",
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"Writes the timestamp file", 0);
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}
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if (opt_MARKET) {
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empth_create(PP_TIMESTAMP, market_update, (50*1024), flags, "MarketUpdate",
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"Updates the market", 0);
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}
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#if defined(__linux__) && defined(_EMPTH_POSIX)
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strcpy(tbuf, argv[0]);
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for (op = 1; op < argc; op++) {
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strcat(tbuf, " ");
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strcat(tbuf, argv[op]);
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}
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sprintf(argv[0], "%s (main pid: %d)", tbuf, getpid());
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#endif
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empth_exit();
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/* We should never get here. But, just in case... */
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close_files();
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#if defined(_WIN32)
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loc_NTTerm();
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#endif
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return 0;
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}
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void
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init_files(void)
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{
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ef_open(EF_NATION, O_RDWR, EFF_MEM);
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ef_open(EF_SECTOR, O_RDWR, EFF_MEM);
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ef_open(EF_SHIP, O_RDWR, EFF_MEM);
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ef_open(EF_PLANE, O_RDWR, EFF_MEM);
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ef_open(EF_LAND, O_RDWR, EFF_MEM);
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ef_open(EF_NEWS, O_RDWR, 0);
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ef_open(EF_LOAN, O_RDWR, 0);
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ef_open(EF_TREATY, O_RDWR, 0);
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ef_open(EF_NUKE, O_RDWR, EFF_MEM);
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ef_open(EF_POWER, O_RDWR, 0);
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ef_open(EF_TRADE, O_RDWR, 0);
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ef_open(EF_MAP, O_RDWR, EFF_MEM);
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ef_open(EF_BMAP, O_RDWR, EFF_MEM);
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ef_open(EF_COMM, O_RDWR, 0);
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ef_open(EF_LOST, O_RDWR, 0);
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}
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void
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close_files(void)
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{
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ef_close(EF_NATION);
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ef_close(EF_SECTOR);
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ef_close(EF_SHIP);
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ef_close(EF_PLANE);
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ef_close(EF_LAND);
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ef_close(EF_NEWS);
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ef_close(EF_LOAN);
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ef_close(EF_TREATY);
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ef_close(EF_NUKE);
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ef_close(EF_POWER);
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ef_close(EF_TRADE);
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ef_close(EF_MAP);
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ef_close(EF_COMM);
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ef_close(EF_BMAP);
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ef_close(EF_LOST);
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}
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/* we're going down. try to close the files at least */
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emp_sig_t
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panic(int sig)
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{
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#if !defined(_WIN32)
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#ifdef POSIXSIGNALS
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struct sigaction act;
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act.sa_flags = 0;
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sigemptyset (&act.sa_mask);
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act.sa_handler = SIG_DFL;
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sigaction (SIGBUS, &act, NULL);
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sigaction (SIGSEGV, &act, NULL);
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sigaction (SIGILL, &act, NULL);
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sigaction (SIGFPE, &act, NULL);
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#else
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signal(SIGBUS, SIG_DFL);
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signal(SIGSEGV, SIG_DFL);
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signal(SIGILL, SIG_DFL);
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signal(SIGFPE, SIG_DFL);
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#endif /* POSIXSIGNALS */
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#endif /* _WIN32 */
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logerror("server received fatal signal %d", sig);
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log_last_commands();
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close_files();
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_exit(0);
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}
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emp_sig_t
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shutdwn(int sig)
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{
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struct player *p;
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time_t now;
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#if defined(__linux__) && defined(_EMPTH_POSIX)
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/* This is a hack to get around the way pthreads work on Linux. This
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may be useful on other platforms too where threads are turned into
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processes. */
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if (getpid() != mainpid) {
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empth_t *me;
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me = empth_self();
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if (me && me->name) {
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if (strlen(me->name) > 5) {
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/* Player threads are cleaned up below, so just have
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them return. This should work. */
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if (!strncmp("Player", me->name, 6)) {
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return;
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}
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}
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}
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/* Not a player thread - must be server thread, so exit */
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empth_exit();
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return;
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}
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#endif
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logerror("Shutdown commencing (cleaning up threads.)");
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for (p = player_next(0); p != 0; p = player_next(p)) {
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if (p->state != PS_PLAYING)
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continue;
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pr_flash(p, "Server shutting down...\n");
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p->state = PS_SHUTDOWN;
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p->aborted++;
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if (p->command) {
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pr_flash(p, "Shutdown aborting command\n");
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}
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empth_wakeup(p->proc);
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}
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if (!sig) {
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/* Sleep and let some cleanup happen - note this doesn't work
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when called from a signal handler, since we may or may not
|
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be in the right thread. So we just pass by and kill 'em
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all. */
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time(&now);
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empth_sleep(now + 1);
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}
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for (p = player_next(0); p != 0; p = player_next(p)) {
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p->state = PS_KILL;
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p->aborted++;
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empth_terminate(p->proc);
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p = player_delete(p);
|
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}
|
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if (sig)
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logerror("Server shutting down on signal %d", sig);
|
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else
|
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logerror("Server shutting down at Deity's request");
|
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close_files();
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_exit(0);
|
||||
}
|
||||
|
||||
|
||||
void
|
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nullify_objects(void)
|
||||
{
|
||||
int i, j;
|
||||
|
||||
if (opt_BIG_CITY) {
|
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dchr[SCT_CAPIT].d_flg = bigcity_dchr.d_flg;
|
||||
dchr[SCT_CAPIT].d_pkg = bigcity_dchr.d_pkg;
|
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dchr[SCT_CAPIT].d_build = bigcity_dchr.d_build;
|
||||
dchr[SCT_CAPIT].d_lcms = bigcity_dchr.d_lcms;
|
||||
dchr[SCT_CAPIT].d_hcms = bigcity_dchr.d_hcms;
|
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dchr[SCT_CAPIT].d_name = bigcity_dchr.d_name;
|
||||
}
|
||||
for (i = 0; i < pln_maxno; i++) {
|
||||
if (opt_NO_HCMS)
|
||||
plchr[i].pl_hcm = 0;
|
||||
if (opt_NO_LCMS)
|
||||
plchr[i].pl_lcm = 0;
|
||||
if (opt_NO_OIL)
|
||||
plchr[i].pl_fuel = 0;
|
||||
if (opt_PLANENAMES)
|
||||
plchr[i].pl_name = plchr[i].pl_planename;
|
||||
}
|
||||
for (i = 0; i < lnd_maxno; i++) {
|
||||
if (opt_NO_HCMS)
|
||||
lchr[i].l_hcm = 0;
|
||||
if (opt_NO_LCMS)
|
||||
lchr[i].l_lcm = 0;
|
||||
/* Fix up the military values */
|
||||
for (j = 0; j < lchr[i].l_nv; j++) {
|
||||
if (lchr[i].l_vtype[j] == V_MILIT)
|
||||
lchr[i].l_mil = lchr[i].l_vamt[j];
|
||||
}
|
||||
}
|
||||
for (i = 0; i < shp_maxno; i++) {
|
||||
if (opt_NO_HCMS)
|
||||
mchr[i].m_hcm = 0;
|
||||
if (opt_NO_LCMS)
|
||||
mchr[i].m_lcm = 0;
|
||||
if (opt_NO_OIL) {
|
||||
if (mchr[i].m_flags & M_OIL)
|
||||
mchr[i].m_name = 0;
|
||||
}
|
||||
}
|
||||
for (i = 0; i < nuk_maxno; i++) {
|
||||
if (opt_NO_HCMS)
|
||||
nchr[i].n_hcm = 0;
|
||||
if (opt_NO_LCMS)
|
||||
nchr[i].n_lcm = 0;
|
||||
}
|
||||
for (i = 0; i < sct_maxno; i++) {
|
||||
if (opt_NO_HCMS)
|
||||
dchr[i].d_hcms = 0;
|
||||
if (opt_NO_LCMS)
|
||||
dchr[i].d_lcms = 0;
|
||||
}
|
||||
for (i = 0; i < prd_maxno; i++) {
|
||||
for (j = 0; j < pchr[i].p_nv; j++) {
|
||||
if (opt_NO_HCMS && pchr[i].p_vtype[j] == V_HCM)
|
||||
pchr[i].p_vamt[j] = 0;
|
||||
if (opt_NO_LCMS && pchr[i].p_vtype[j] == V_LCM)
|
||||
pchr[i].p_vamt[j] = 0;
|
||||
if (opt_NO_OIL && pchr[i].p_vtype[j] == V_OIL)
|
||||
pchr[i].p_vamt[j] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#if defined(_WIN32)
|
||||
static void
|
||||
loc_NTInit()
|
||||
{
|
||||
int rc;
|
||||
WORD wVersionRequested;
|
||||
WSADATA wsaData;
|
||||
|
||||
wVersionRequested = MAKEWORD(2, 0);
|
||||
rc = WSAStartup(wVersionRequested, &wsaData);
|
||||
if (rc != 0) {
|
||||
logerror("WSAStartup failed. %d", rc);
|
||||
_exit(1);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(_WIN32)
|
||||
static void
|
||||
loc_NTTerm()
|
||||
{
|
||||
WSACleanup();
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue