163 lines
3.4 KiB
C
163 lines
3.4 KiB
C
/*
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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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* journal.c: Log a journal of events to a file
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*
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* Known contributors to this file:
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* Markus Armbruster, 2004-2006
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*/
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/*
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* Journal file format: each line logs an event, and looks like this:
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*
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* TIME THREAD EVENT DATA
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*
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* Events and their data are:
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*
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* startup
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* shutdown
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* login CNUM HOSTADDR USER
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* logout CNUM
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* input INPUT
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* update ETU
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*/
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#include <config.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <time.h>
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#include "misc.h"
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#include "empthread.h"
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#include "journal.h"
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#include "optlist.h"
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#include "player.h"
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#include "prototypes.h"
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static char journal_fname[] = "journal.log";
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static FILE *journal;
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static FILE *
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journal_open(void)
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{
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return fopen(journal_fname, "a+");
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}
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static void
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journal_entry(char *fmt, ...)
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{
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static char buf[1024];
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va_list ap;
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time_t now;
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int n, i;
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if (journal) {
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time(&now);
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n = sprintf(buf, "%.24s %p ", ctime(&now), empth_self());
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va_start(ap, fmt);
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vsnprintf(buf + n, sizeof(buf) - n - 1, fmt, ap);
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va_end(ap);
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for (i = n; buf[i]; ++i) {
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if (!isprint((unsigned char)buf[i]))
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buf[i] = '?'; /* FIXME replace by escape */
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}
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buf[i++] = '\n';
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buf[i] = 0;
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if (fputs(buf, journal) == EOF)
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logerror("Error writing journal (%s)", strerror(errno));
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}
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}
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int
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journal_startup(void)
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{
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if (!keep_journal)
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return 0;
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journal = journal_open();
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if (!journal) {
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logerror("Can't open %s (%s)", journal_fname, strerror(errno));
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return -1;
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}
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journal_entry("startup");
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return 0;
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}
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void
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journal_shutdown(void)
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{
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journal_entry("shutdown");
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if (journal) {
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fclose(journal);
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journal = NULL;
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}
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}
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int
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journal_reopen(void)
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{
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FILE *j;
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if (!keep_journal)
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return 0;
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j = journal_open();
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if (!j) {
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logerror("Can't open %s (%s)", journal_fname, strerror(errno));
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return -1;
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}
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if (journal)
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fclose(journal);
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journal = j;
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return 0;
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}
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void
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journal_login(void)
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{
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journal_entry("login %d %s %s",
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player->cnum, player->hostaddr, player->userid);
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}
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void
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journal_logout(void)
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{
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journal_entry("logout %d", player->cnum);
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}
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void
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journal_input(char *input)
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{
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journal_entry("input %s", input);
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}
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void
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journal_update(int etu)
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{
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journal_entry("update %d", etu);
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}
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