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/* This file is part of Gamma.
Copyright (C) 2002, 2010 Sergey Poznyakoff
Gamma 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 3, or (at your option)
any later version.
Gamma 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 Gamma. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <libguile.h>
#include <syslog.h>
static char *log_tag;
SCM_DEFINE_PUBLIC(scm_openlog, "openlog", 3, 0, 0,
(SCM ident, SCM option, SCM facility),
"Opens a connection to the system logger for Guile program.\n\
The arguments @var{ident}, @var{option} and @var{facility} have the same \
meaning as in openlog(3)\n")
#define FUNC_NAME s_scm_openlog
{
SCM_ASSERT(scm_is_string(ident), ident, SCM_ARG1, FUNC_NAME);
if (log_tag)
free(log_tag);
log_tag = scm_to_locale_string(ident);
SCM_ASSERT(scm_is_integer(option), option, SCM_ARG2, FUNC_NAME);
SCM_ASSERT(scm_is_integer(facility), facility, SCM_ARG3, FUNC_NAME);
openlog(log_tag, scm_to_int(option), scm_to_int(facility));
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM_DEFINE_PUBLIC(scm_openlog_p, "openlog?", 0, 0, 0,
(),
"Returns @samp{#t} if @code{openlog} has already been called.\n")
#define FUNC_NAME s_scm_openlog_p
{
return log_tag ? SCM_BOOL_T : SCM_BOOL_F;
}
#undef FUNC_NAME
SCM_DEFINE_PUBLIC(scm_syslog_tag, "syslog-tag", 0, 0, 0,
(),
"Returns the tag given to the recent @code{openlog} invocation.\n")
#define FUNC_NAME s_scm_syslog_tag
{
if (!log_tag)
scm_misc_error("syslog-tag",
"openlog have not been called",
SCM_EOL);
return scm_from_locale_string(log_tag);
}
#undef FUNC_NAME
SCM_DEFINE_PUBLIC(scm_syslog, "syslog", 2, 0, 0,
(SCM prio, SCM text),
"Distributes @var{text} via syslogd priority @var{prio}.\n")
#define FUNC_NAME s_scm_syslog
{
int nprio;
char *str;
SCM_ASSERT(scm_is_integer(prio), prio, SCM_ARG1, FUNC_NAME);
nprio = scm_to_int(prio);
SCM_ASSERT(scm_is_string(text), text, SCM_ARG2, FUNC_NAME);
str = scm_to_locale_string(text);
syslog(nprio, "%s", str);
free(str);
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM_DEFINE_PUBLIC(scm_closelog, "closelog", 0, 0, 0,
(),
"Closes the channel to the system logger opened by @code{openlog}.\n")
#define FUNC_NAME s_scm_closelog
{
closelog();
if (log_tag) {
free(log_tag);
log_tag = NULL;
}
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
static struct {
int facility;
char *name;
} syslog_kw[] = {
#define GAMMA_CONST(s) { s, #s }
GAMMA_CONST(LOG_AUTH),
#ifdef LOG_AUTHPRIV
GAMMA_CONST(LOG_AUTHPRIV),
#endif
GAMMA_CONST(LOG_CRON),
GAMMA_CONST(LOG_DAEMON),
#ifdef LOG_FTP
GAMMA_CONST(LOG_FTP),
#endif
GAMMA_CONST(LOG_USER),
GAMMA_CONST(LOG_LPR),
GAMMA_CONST(LOG_MAIL),
GAMMA_CONST(LOG_NEWS),
GAMMA_CONST(LOG_SYSLOG),
GAMMA_CONST(LOG_UUCP),
GAMMA_CONST(LOG_LOCAL0),
GAMMA_CONST(LOG_LOCAL1),
GAMMA_CONST(LOG_LOCAL2),
GAMMA_CONST(LOG_LOCAL3),
GAMMA_CONST(LOG_LOCAL4),
GAMMA_CONST(LOG_LOCAL5),
GAMMA_CONST(LOG_LOCAL6),
GAMMA_CONST(LOG_LOCAL7),
/* severity */
GAMMA_CONST(LOG_EMERG),
GAMMA_CONST(LOG_ALERT),
GAMMA_CONST(LOG_CRIT),
GAMMA_CONST(LOG_ERR),
GAMMA_CONST(LOG_WARNING),
GAMMA_CONST(LOG_NOTICE),
GAMMA_CONST(LOG_INFO),
GAMMA_CONST(LOG_DEBUG),
/* options */
GAMMA_CONST(LOG_CONS),
GAMMA_CONST(LOG_NDELAY),
GAMMA_CONST(LOG_PID),
GAMMA_CONST(LOG_NOWAIT),
#ifdef LOG_ODELAY
GAMMA_CONST(LOG_ODELAY),
#endif
#ifdef LOG_PERROR
GAMMA_CONST(LOG_PERROR)
#endif
};
void
syslog_init()
{
int i;
extern void _gamma_init_syslog_port();
for (i = 0; i < sizeof (syslog_kw)/sizeof(syslog_kw[0]); i++) {
scm_c_define (syslog_kw[i].name,
scm_from_int(syslog_kw[i].facility));
scm_c_export (syslog_kw[i].name, NULL);
}
_gamma_init_syslog_port();
#include <syslog.x>
}
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