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 files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future 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, 2004-2011
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
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_start(char *fmt, ...)
70 ATTRIBUTE((format (printf, 1, 2)));
71 static void journal_entry(char *fmt, ...)
72 ATTRIBUTE((format (printf, 1, 2)));
73 static void journal_output_start(struct player *, int);
78 return fopen(journal_fname, "a");
82 journal_entry_vstart(char *fmt, va_list ap)
89 fprintf(journal, "%.24s %10.10s ",
90 ctime(&now), empth_name(empth_self()));
91 vfprintf(journal, fmt, ap);
95 journal_entry_start(char *fmt, ...)
100 journal_entry_vstart(fmt, ap);
105 journal_entry_pr(char *s, size_t n)
111 for (p = (unsigned char *)s; *p && n; p++) {
113 fprintf(journal, "\\\\");
114 else if (isprint(*p) || *p == '\t')
117 fprintf(journal, "\\%03o", *p);
123 journal_entry_end(int newline, int flush)
128 fputc('\\', journal);
129 fputc('\n', journal);
131 if (ferror(journal)) {
132 logerror("Error writing journal (%s)", strerror(errno));
138 journal_entry(char *fmt, ...)
143 journal_entry_vstart(fmt, ap);
145 journal_entry_end(1, 1);
149 journal_startup(void)
153 journal = journal_open();
155 logerror("Can't open %s (%s)", journal_fname, strerror(errno));
158 journal_entry("startup");
163 journal_shutdown(void)
165 journal_entry("shutdown");
181 logerror("Can't open %s (%s)", journal_fname, strerror(errno));
191 journal_prng(unsigned seed)
193 journal_entry("prng BSD %d", seed);
199 journal_entry("login %d %s %s",
200 player->cnum, player->hostaddr, player->userid);
206 journal_entry("logout %d", player->cnum);
210 journal_output(struct player *pl, int id, char *output)
212 static char buf[1024];
213 static char *bp = buf;
214 static struct player *bpl;
218 if (keep_journal < 2)
221 if (bp != buf && (pl != bpl || id != bid)) {
222 journal_output_start(bpl, bid);
223 journal_entry_pr(buf, bp - buf);
224 journal_entry_end(0, 0);
228 for (s = output; (e = strchr(s, '\n')); s = e + 1) {
229 journal_output_start(pl, id);
230 journal_entry_pr(buf, bp - buf);
231 journal_entry_pr(s, e - s);
232 journal_entry_end(1, 0);
236 if (bp + (e - s) <= buf + sizeof(buf)) {
237 memcpy(bp, s, e - s);
242 journal_output_start(pl, id);
243 journal_entry_pr(buf, bp - buf);
244 journal_entry_pr(s, e - s);
245 journal_entry_end(0, 0);
251 journal_output_start(struct player *pl, int id)
253 journal_entry_start("output %s %d ", empth_name(pl->proc), id);
257 journal_input(char *input)
259 journal_entry_start("input ");
260 journal_entry_pr(input, -1);
261 journal_entry_end(1, 1);
265 journal_command(char *cmd)
267 char *eptr = strchr(cmd, ' ');
268 journal_entry("command %.*s", eptr ? (int)(eptr - cmd) : -1, cmd);
272 journal_update(int etu)
274 journal_entry("update %d", etu);