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/*
* dpkg - main program for package management
* log.c - logging related functions
*
* Copyright (C) 2005 Scott James Remnant <scott@netsplit.com>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2,
* or (at your option) any later version.
*
* This is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with dpkg; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include <dpkg.h>
#include <dpkg-db.h>
const char *log_file = NULL;
void
log_message(const char *fmt, ...)
{
static struct varbuf log;
static FILE *logfd = NULL;
char time_str[20];
time_t now;
va_list al;
if (!log_file)
return;
if (!logfd) {
logfd = fopen(log_file, "a");
if (!logfd) {
fprintf(stderr, _("couldn't open log `%s': %s\n"),
log_file, strerror(errno));
log_file = NULL;
return;
}
setlinebuf(logfd);
setcloexec(fileno(logfd), log_file);
}
va_start(al, fmt);
varbufreset(&log);
varbufvprintf(&log, fmt, al);
varbufaddc(&log, 0);
va_end(al);
time(&now);
strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S",
localtime(&now));
fprintf(logfd, "%s %s\n", time_str, log.buf);
}
struct pipef *status_pipes = NULL;
void
statusfd_send(const char *fmt, ...)
{
static struct varbuf vb;
struct pipef *pipef;
const char *p;
int r, l;
va_list al;
if (!status_pipes)
return;
va_start(al, fmt);
varbufreset(&vb);
varbufvprintf(&vb, fmt, al);
varbufaddc(&vb, '\n');
va_end(al);
for (pipef = status_pipes; pipef; pipef = pipef->next) {
for (p = vb.buf, l = vb.used; l; p += r, l -= r) {
r = write(pipef->fd, vb.buf, vb.used);
if (r < 0)
ohshite("unable to write to status fd %d",
pipef->fd);
assert(r && r <= l);
}
}
}
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