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/*
* UNIX Syslog extension for Ruby
* Amos Gouaux, University of Texas at Dallas
* <amos+ruby@utdallas.edu>
*
* $RoughId: syslog.c,v 1.21 2002/02/25 12:21:17 knu Exp $
* $Id$
*/
#include "ruby.h"
#include <syslog.h>
/* Syslog class */
static VALUE mSyslog, mSyslogConstants;
static VALUE syslog_ident = Qnil, syslog_options = INT2FIX(-1),
syslog_facility = INT2FIX(-1), syslog_mask = INT2FIX(-1);
static int syslog_opened = 0;
/* Package helper routines */
static void syslog_write(int pri, int argc, VALUE *argv)
{
VALUE str;
if (argc < 1) {
rb_raise(rb_eArgError, "no log message supplied");
}
if (!syslog_opened) {
rb_raise(rb_eRuntimeError, "must open syslog before write");
}
str = rb_f_sprintf(argc, argv);
syslog(pri, "%s", RSTRING(str)->ptr);
}
/* Syslog module methods */
static VALUE mSyslog_close(VALUE self)
{
closelog();
syslog_opened = 0;
return Qnil;
}
static VALUE mSyslog_open(int argc, VALUE *argv, VALUE self)
{
VALUE ident, opt, fac;
int mask;
if (syslog_opened) {
rb_raise(rb_eRuntimeError, "syslog already open");
}
rb_scan_args(argc, argv, "03", &ident, &opt, &fac);
if (NIL_P(ident)) {
ident = rb_gv_get("$0");
}
if (NIL_P(opt)) {
opt = INT2NUM(LOG_PID | LOG_CONS);
}
if (NIL_P(fac)) {
fac = INT2NUM(LOG_USER);
}
#ifdef SafeStringValue
SafeStringValue(ident);
#else
Check_SafeStr(ident);
#endif
syslog_ident = ident;
syslog_options = opt;
syslog_facility = fac;
openlog(RSTRING(ident)->ptr, NUM2INT(opt), NUM2INT(fac));
syslog_opened = 1;
setlogmask(mask = setlogmask(0));
syslog_mask = INT2NUM(mask);
/* be like File.new.open {...} */
if (rb_block_given_p()) {
rb_ensure(rb_yield, self, mSyslog_close, self);
}
return self;
}
static VALUE mSyslog_reopen(int argc, VALUE *argv, VALUE self)
{
mSyslog_close(self);
return mSyslog_open(argc, argv, self);
}
static VALUE mSyslog_isopen(VALUE self)
{
return syslog_opened ? Qtrue : Qfalse;
}
static VALUE mSyslog_ident(VALUE self)
{
return syslog_ident;
}
static VALUE mSyslog_options(VALUE self)
{
return syslog_options;
}
static VALUE mSyslog_facility(VALUE self)
{
return syslog_facility;
}
static VALUE mSyslog_get_mask(VALUE self)
{
return syslog_mask;
}
static VALUE mSyslog_set_mask(VALUE self, VALUE mask)
{
if (!syslog_opened) {
rb_raise(rb_eRuntimeError, "must open syslog before setting log mask");
}
setlogmask(NUM2INT(mask));
syslog_mask = mask;
return mask;
}
static VALUE mSyslog_log(int argc, VALUE *argv, VALUE self)
{
VALUE pri;
if (argc < 2) {
rb_raise(rb_eArgError, "wrong # of arguments(%d for 2+)", argc);
}
argc--;
pri = *argv++;
if (!FIXNUM_P(pri)) {
rb_raise(rb_eTypeError, "type mismatch: %s given", rb_class2name(CLASS_OF(pri)));
}
syslog_write(FIX2INT(pri), argc, argv);
return self;
}
static VALUE mSyslog_inspect(VALUE self)
{
#define N 7
int argc = N;
VALUE argv[N];
const char fmt[] =
"<#%s: opened=%s, ident=\"%s\", options=%d, facility=%d, mask=%d>";
argv[0] = rb_str_new(fmt, sizeof(fmt) - 1);
argv[1] = mSyslog;
argv[2] = syslog_opened ? Qtrue : Qfalse;
argv[3] = syslog_ident;
argv[4] = syslog_options;
argv[5] = syslog_facility;
argv[6] = syslog_mask;
return rb_f_sprintf(argc, argv);
#undef N
}
static VALUE mSyslog_instance(VALUE self)
{
return self;
}
#define define_syslog_shortcut_method(pri, name) \
static VALUE mSyslog_##name(int argc, VALUE *argv, VALUE self) \
{ \
syslog_write(pri, argc, argv); \
\
return self; \
}
#ifdef LOG_EMERG
define_syslog_shortcut_method(LOG_EMERG, emerg)
#endif
#ifdef LOG_ALERT
define_syslog_shortcut_method(LOG_ALERT, alert)
#endif
#ifdef LOG_CRIT
define_syslog_shortcut_method(LOG_CRIT, crit)
#endif
#ifdef LOG_ERR
define_syslog_shortcut_method(LOG_ERR, err)
#endif
#ifdef LOG_WARNING
define_syslog_shortcut_method(LOG_WARNING, warning)
#endif
#ifdef LOG_NOTICE
define_syslog_shortcut_method(LOG_NOTICE, notice)
#endif
#ifdef LOG_INFO
define_syslog_shortcut_method(LOG_INFO, info)
#endif
#ifdef LOG_DEBUG
define_syslog_shortcut_method(LOG_DEBUG, debug)
#endif
static VALUE mSyslogConstants_LOG_MASK(VALUE klass, VALUE pri)
{
return INT2FIX(LOG_MASK(FIX2INT(pri)));
}
static VALUE mSyslogConstants_LOG_UPTO(VALUE klass, VALUE pri)
{
return INT2FIX(LOG_UPTO(FIX2INT(pri)));
}
/* Init for package syslog */
void Init_syslog()
{
mSyslog = rb_define_module("Syslog");
mSyslogConstants = rb_define_module_under(mSyslog, "Constants");
rb_include_module(mSyslog, mSyslogConstants);
rb_define_module_function(mSyslog, "open", mSyslog_open, -1);
rb_define_module_function(mSyslog, "reopen", mSyslog_reopen, -1);
rb_define_module_function(mSyslog, "open!", mSyslog_reopen, -1);
rb_define_module_function(mSyslog, "opened?", mSyslog_isopen, 0);
rb_define_module_function(mSyslog, "ident", mSyslog_ident, 0);
rb_define_module_function(mSyslog, "options", mSyslog_options, 0);
rb_define_module_function(mSyslog, "facility", mSyslog_facility, 0);
rb_define_module_function(mSyslog, "log", mSyslog_log, -1);
rb_define_module_function(mSyslog, "close", mSyslog_close, 0);
rb_define_module_function(mSyslog, "mask", mSyslog_get_mask, 0);
rb_define_module_function(mSyslog, "mask=", mSyslog_set_mask, 1);
rb_define_module_function(mSyslog, "LOG_MASK", mSyslogConstants_LOG_MASK, 1);
rb_define_module_function(mSyslog, "LOG_UPTO", mSyslogConstants_LOG_UPTO, 1);
rb_define_module_function(mSyslog, "inspect", mSyslog_inspect, 0);
rb_define_module_function(mSyslog, "instance", mSyslog_instance, 0);
rb_define_module_function(mSyslogConstants, "LOG_MASK", mSyslogConstants_LOG_MASK, 1);
rb_define_module_function(mSyslogConstants, "LOG_UPTO", mSyslogConstants_LOG_UPTO, 1);
#define rb_define_syslog_const(id) \
rb_define_const(mSyslogConstants, #id, INT2NUM(id))
/* Various options when opening log */
#ifdef LOG_PID
rb_define_syslog_const(LOG_PID);
#endif
#ifdef LOG_CONS
rb_define_syslog_const(LOG_CONS);
#endif
#ifdef LOG_ODELAY
rb_define_syslog_const(LOG_ODELAY); /* deprecated */
#endif
#ifdef LOG_NDELAY
rb_define_syslog_const(LOG_NDELAY);
#endif
#ifdef LOG_NOWAIT
rb_define_syslog_const(LOG_NOWAIT); /* deprecated */
#endif
#ifdef LOG_PERROR
rb_define_syslog_const(LOG_PERROR);
#endif
/* Various syslog facilities */
#ifdef LOG_AUTH
rb_define_syslog_const(LOG_AUTH);
#endif
#ifdef LOG_AUTHPRIV
rb_define_syslog_const(LOG_AUTHPRIV);
#endif
#ifdef LOG_CONSOLE
rb_define_syslog_const(LOG_CONSOLE);
#endif
#ifdef LOG_CRON
rb_define_syslog_const(LOG_CRON);
#endif
#ifdef LOG_DAEMON
rb_define_syslog_const(LOG_DAEMON);
#endif
#ifdef LOG_FTP
rb_define_syslog_const(LOG_FTP);
#endif
#ifdef LOG_KERN
rb_define_syslog_const(LOG_KERN);
#endif
#ifdef LOG_LPR
rb_define_syslog_const(LOG_LPR);
#endif
#ifdef LOG_MAIL
rb_define_syslog_const(LOG_MAIL);
#endif
#ifdef LOG_NEWS
rb_define_syslog_const(LOG_NEWS);
#endif
#ifdef LOG_NTP
rb_define_syslog_const(LOG_NTP);
#endif
#ifdef LOG_SECURITY
rb_define_syslog_const(LOG_SECURITY);
#endif
#ifdef LOG_SYSLOG
rb_define_syslog_const(LOG_SYSLOG);
#endif
#ifdef LOG_USER
rb_define_syslog_const(LOG_USER);
#endif
#ifdef LOG_UUCP
rb_define_syslog_const(LOG_UUCP);
#endif
#ifdef LOG_LOCAL0
rb_define_syslog_const(LOG_LOCAL0);
#endif
#ifdef LOG_LOCAL1
rb_define_syslog_const(LOG_LOCAL1);
#endif
#ifdef LOG_LOCAL2
rb_define_syslog_const(LOG_LOCAL2);
#endif
#ifdef LOG_LOCAL3
rb_define_syslog_const(LOG_LOCAL3);
#endif
#ifdef LOG_LOCAL4
rb_define_syslog_const(LOG_LOCAL4);
#endif
#ifdef LOG_LOCAL5
rb_define_syslog_const(LOG_LOCAL5);
#endif
#ifdef LOG_LOCAL6
rb_define_syslog_const(LOG_LOCAL6);
#endif
#ifdef LOG_LOCAL7
rb_define_syslog_const(LOG_LOCAL7);
#endif
#define rb_define_syslog_shortcut(name) \
rb_define_module_function(mSyslog, #name, mSyslog_##name, -1)
/* Various syslog priorities and the shortcut methods */
#ifdef LOG_EMERG
rb_define_syslog_const(LOG_EMERG);
rb_define_syslog_shortcut(emerg);
#endif
#ifdef LOG_ALERT
rb_define_syslog_const(LOG_ALERT);
rb_define_syslog_shortcut(alert);
#endif
#ifdef LOG_CRIT
rb_define_syslog_const(LOG_CRIT);
rb_define_syslog_shortcut(crit);
#endif
#ifdef LOG_ERR
rb_define_syslog_const(LOG_ERR);
rb_define_syslog_shortcut(err);
#endif
#ifdef LOG_WARNING
rb_define_syslog_const(LOG_WARNING);
rb_define_syslog_shortcut(warning);
#endif
#ifdef LOG_NOTICE
rb_define_syslog_const(LOG_NOTICE);
rb_define_syslog_shortcut(notice);
#endif
#ifdef LOG_INFO
rb_define_syslog_const(LOG_INFO);
rb_define_syslog_shortcut(info);
#endif
#ifdef LOG_DEBUG
rb_define_syslog_const(LOG_DEBUG);
rb_define_syslog_shortcut(debug);
#endif
}
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