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#define EXTUNIX_WANT_SYSLOG
#include "config.h"
#if defined(EXTUNIX_HAVE_SYSLOG)
static const int mask_table[] = {
LOG_MASK(LOG_EMERG), LOG_MASK(LOG_ALERT), LOG_MASK(LOG_CRIT),
LOG_MASK(LOG_ERR), LOG_MASK(LOG_WARNING), LOG_MASK(LOG_NOTICE),
LOG_MASK(LOG_INFO), LOG_MASK(LOG_DEBUG)
};
CAMLprim value caml_extunix_setlogmask(value v_level)
{
CAMLparam1(v_level);
CAMLlocal2(cli, cons);
int mask, nmask;
size_t i;
mask = caml_convert_flag_list(v_level, mask_table);
caml_enter_blocking_section();
nmask = setlogmask(mask);
caml_leave_blocking_section();
// generate list from mask (invers of "caml_convert_flag_list")
cli = Val_emptylist;
for (i = 0; i < (sizeof(mask_table) / sizeof(int)); i++)
{
if ((mask_table[i] & nmask) == mask_table[i])
{
cons = caml_alloc(2, 0);
Store_field(cons, 0, Val_int(i));
Store_field(cons, 1, cli);
cli = cons;
}
}
CAMLreturn(cli);
}
static const int option_table[] = {
LOG_PID, LOG_CONS, LOG_NDELAY, LOG_ODELAY, LOG_NOWAIT
};
static const int facility_table[] = {
LOG_KERN, LOG_USER, LOG_MAIL, LOG_NEWS, LOG_UUCP, LOG_DAEMON, LOG_AUTH,
LOG_CRON, LOG_LPR, LOG_LOCAL0, LOG_LOCAL1, LOG_LOCAL2, LOG_LOCAL3,
LOG_LOCAL4, LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7
};
CAMLprim value caml_extunix_openlog(value v_ident, value v_option, value v_facility)
{
CAMLparam3(v_ident, v_option, v_facility);
int option, facility;
size_t index_facility;
static char *ident = NULL; /* openlog does _not_ store ident -- keep a heap copy */
if (NULL != ident)
{
caml_stat_free(ident);
ident = NULL;
}
ident = (Val_none == v_ident) ? NULL : caml_stat_strdup(String_val(Some_val(v_ident)));
option = caml_convert_flag_list(v_option, option_table);
index_facility = Int_val(v_facility);
assert(index_facility < (sizeof(facility_table) / sizeof(int)));
facility = facility_table[index_facility];
openlog(ident, option, facility);
CAMLreturn(Val_unit);
}
CAMLprim value caml_extunix_closelog(void)
{
CAMLparam0();
closelog();
CAMLreturn(Val_unit);
}
static const int level_table[] = {
LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO,
LOG_DEBUG
};
CAMLprim value caml_extunix_syslog(value v_facility, value v_level, value v_string)
{
CAMLparam3(v_facility, v_level, v_string);
int facility, level;
size_t index_level, index_facility;
char *str;
facility = 0;
if (Val_none != v_facility)
{
index_facility = Int_val(Some_val(v_facility));
assert(index_facility < (sizeof(facility_table) / sizeof(int)));
facility = facility_table[index_facility];
}
index_level = Int_val(v_level);
assert(index_level < (sizeof(level_table) / sizeof(int)));
level = level_table[index_level];
str = caml_stat_strdup(String_val(v_string));
caml_enter_blocking_section();
syslog(level | facility, "%s", str);
caml_leave_blocking_section();
caml_stat_free(str);
CAMLreturn(Val_unit);
}
#endif
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