2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, 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 * journal.c: Log a journal of events to a file
30 * Known contributors to this file:
31 * Markus Armbruster, 2004-2008
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
48 * output THREAD ID OUTPUT
60 #include "empthread.h"
64 #include "prototypes.h"
66 static char journal_fname[] = "journal.log";
69 static void journal_entry(char *fmt, ...) ATTRIBUTE((format (printf, 1, 2)));
70 static void journal_output_1(struct player *, int, char *, char *, int);
75 return fopen(journal_fname, "a+");
79 journal_entry(char *fmt, ...)
81 static char buf[1024];
88 fprintf(journal, "%.24s ", ctime(&now));
89 if (player && player->state == PS_PLAYING)
90 fprintf(journal, "%d ", player->cnum);
92 fprintf(journal, "%p ", empth_self());
95 vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
98 for (p = (unsigned char *)buf; *p; p++) {
102 fprintf(journal, "\\%03o", *p);
104 fputs("\n", journal);
105 if (fmt[0] != 'o') /* FIXME disgusting hack */
107 if (ferror(journal)) {
108 logerror("Error writing journal (%s)", strerror(errno));
115 journal_startup(void)
119 journal = journal_open();
121 logerror("Can't open %s (%s)", journal_fname, strerror(errno));
124 journal_entry("startup");
129 journal_shutdown(void)
131 journal_entry("shutdown");
147 logerror("Can't open %s (%s)", journal_fname, strerror(errno));
157 journal_prng(unsigned seed)
159 journal_entry("prng BSD %d", seed);
165 journal_entry("login %d %s %s",
166 player->cnum, player->hostaddr, player->userid);
172 journal_entry("logout %d", player->cnum);
176 journal_output(struct player *pl, int id, char *output)
178 static char buf[1024];
179 static struct player *bpl;
183 if (keep_journal < 2)
186 if (buf[0] && (pl != bpl && id != bid)) {
187 journal_output_1(bpl, bid, buf, "", -1);
191 for (s = output; (e = strchr(s, '\n')); s = e + 1) {
192 journal_output_1(pl, id, buf, s, (int)(e + 1 - s));
195 if (strlen(buf) + strlen(s) < 1024) {
196 strcpy(buf + strlen(buf), s);
200 journal_output_1(pl, id, buf, s, -1);
206 journal_output_1(struct player *pl, int id,
207 char *buf1, char *buf2, int buf2prec)
209 if (pl && pl->state == PS_PLAYING)
210 journal_entry("output %d %d %s%.*s",
211 pl->cnum, id, buf1, buf2prec, buf2);
213 journal_entry("output %p %id %s%.*s",
214 pl, id, buf1, buf2prec, buf2);
218 journal_input(char *input)
220 journal_entry("input %s", input);
224 journal_command(char *cmd)
226 char *eptr = strchr(cmd, ' ');
227 journal_entry("command %.*s", eptr ? (int)(eptr - cmd) : -1, cmd);
231 journal_update(int etu)
233 journal_entry("update %d", etu);