2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
22 * related information and legal notices. It is expected that any future
23 * projects/authors will amend these files as needed.
27 * journal.c: Log a journal of events to a file
29 * Known contributors to this file:
30 * Markus Armbruster, 2004-2008
31 * Ron Koenderink, 2008
35 * Journal file format: each line logs an event, and looks like this:
37 * TIME THREAD EVENT DATA
39 * Events and their data are:
44 * login CNUM HOSTADDR USER
58 #include "empthread.h"
62 #include "prototypes.h"
64 static char journal_fname[] = "journal.log";
67 static void journal_entry(char *fmt, ...)
68 ATTRIBUTE((format (printf, 1, 2)));
73 return fopen(journal_fname, "a+");
77 journal_entry(char *fmt, ...)
79 static char buf[1024];
86 fprintf(journal, "%.24s %10.10s ",
87 ctime(&now), empth_name(empth_self()));
90 vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
93 for (p = (unsigned char *)buf; *p; p++) {
97 fprintf(journal, "\\%03o", *p);
101 if (ferror(journal)) {
102 logerror("Error writing journal (%s)", strerror(errno));
109 journal_startup(void)
113 journal = journal_open();
115 logerror("Can't open %s (%s)", journal_fname, strerror(errno));
118 journal_entry("startup");
123 journal_shutdown(void)
125 journal_entry("shutdown");
141 logerror("Can't open %s (%s)", journal_fname, strerror(errno));
151 journal_prng(unsigned seed)
153 journal_entry("prng BSD %d", seed);
159 journal_entry("login %d %s %s",
160 player->cnum, player->hostaddr, player->userid);
166 journal_entry("logout %d", player->cnum);
170 journal_input(char *input)
172 journal_entry("input %s", input);
176 journal_update(int etu)
178 journal_entry("update %d", etu);