зеркало из https://github.com/github/ruby.git
395 строки
9.1 KiB
C
395 строки
9.1 KiB
C
/*
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* UNIX Syslog extension for Ruby
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* Amos Gouaux, University of Texas at Dallas
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* <amos+ruby@utdallas.edu>
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*
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* $RoughId: syslog.c,v 1.21 2002/02/25 12:21:17 knu Exp $
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* $Id$
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*/
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#include "ruby/ruby.h"
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#include "ruby/util.h"
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#include <syslog.h>
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/* Syslog class */
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static VALUE mSyslog, mSyslogConstants;
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static const char *syslog_ident = NULL;
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static int syslog_options = -1, syslog_facility = -1, syslog_mask = -1;
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static int syslog_opened = 0;
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/* Package helper routines */
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static void syslog_write(int pri, int argc, VALUE *argv)
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{
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VALUE str;
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if (argc < 1) {
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rb_raise(rb_eArgError, "no log message supplied");
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}
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if (!syslog_opened) {
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rb_raise(rb_eRuntimeError, "must open syslog before write");
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}
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str = rb_f_sprintf(argc, argv);
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syslog(pri, "%s", RSTRING_PTR(str));
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}
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/* Syslog module methods */
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static VALUE mSyslog_close(VALUE self)
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{
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if (!syslog_opened) {
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rb_raise(rb_eRuntimeError, "syslog not opened");
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}
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closelog();
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free((void *)syslog_ident);
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syslog_ident = NULL;
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syslog_options = syslog_facility = syslog_mask = -1;
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syslog_opened = 0;
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return Qnil;
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}
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static VALUE mSyslog_open(int argc, VALUE *argv, VALUE self)
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{
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VALUE ident, opt, fac;
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if (syslog_opened) {
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rb_raise(rb_eRuntimeError, "syslog already open");
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}
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rb_scan_args(argc, argv, "03", &ident, &opt, &fac);
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if (NIL_P(ident)) {
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ident = rb_gv_get("$0");
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}
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#ifdef SafeStringValue
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SafeStringValue(ident);
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#else
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Check_SafeStr(ident);
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#endif
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syslog_ident = strdup(RSTRING_PTR(ident));
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if (NIL_P(opt)) {
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syslog_options = LOG_PID | LOG_CONS;
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} else {
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syslog_options = NUM2INT(opt);
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}
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if (NIL_P(fac)) {
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syslog_facility = LOG_USER;
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} else {
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syslog_facility = NUM2INT(fac);
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}
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openlog(syslog_ident, syslog_options, syslog_facility);
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syslog_opened = 1;
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setlogmask(syslog_mask = setlogmask(0));
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/* be like File.new.open {...} */
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if (rb_block_given_p()) {
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rb_ensure(rb_yield, self, mSyslog_close, self);
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}
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return self;
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}
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static VALUE mSyslog_reopen(int argc, VALUE *argv, VALUE self)
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{
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mSyslog_close(self);
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return mSyslog_open(argc, argv, self);
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}
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static VALUE mSyslog_isopen(VALUE self)
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{
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return syslog_opened ? Qtrue : Qfalse;
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}
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static VALUE mSyslog_ident(VALUE self)
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{
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return syslog_opened ? rb_str_new2(syslog_ident) : Qnil;
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}
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static VALUE mSyslog_options(VALUE self)
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{
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return syslog_opened ? INT2NUM(syslog_options) : Qnil;
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}
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static VALUE mSyslog_facility(VALUE self)
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{
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return syslog_opened ? INT2NUM(syslog_facility) : Qnil;
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}
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static VALUE mSyslog_get_mask(VALUE self)
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{
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return syslog_opened ? INT2NUM(syslog_mask) : Qnil;
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}
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static VALUE mSyslog_set_mask(VALUE self, VALUE mask)
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{
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if (!syslog_opened) {
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rb_raise(rb_eRuntimeError, "must open syslog before setting log mask");
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}
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setlogmask(syslog_mask = NUM2INT(mask));
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return mask;
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}
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static VALUE mSyslog_log(int argc, VALUE *argv, VALUE self)
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{
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VALUE pri;
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if (argc < 2) {
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rb_raise(rb_eArgError, "wrong number of arguments (%d for 2+)", argc);
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}
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argc--;
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pri = *argv++;
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if (!FIXNUM_P(pri)) {
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rb_raise(rb_eTypeError, "type mismatch: %s given", rb_class2name(CLASS_OF(pri)));
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}
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syslog_write(FIX2INT(pri), argc, argv);
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return self;
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}
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static VALUE mSyslog_inspect(VALUE self)
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{
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char buf[1024];
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if (syslog_opened) {
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snprintf(buf, sizeof(buf),
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"<#%s: opened=true, ident=\"%s\", options=%d, facility=%d, mask=%d>",
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rb_class2name(self),
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syslog_ident,
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syslog_options,
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syslog_facility,
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syslog_mask);
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} else {
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snprintf(buf, sizeof(buf),
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"<#%s: opened=false>", rb_class2name(self));
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}
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return rb_str_new2(buf);
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}
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static VALUE mSyslog_instance(VALUE self)
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{
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return self;
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}
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#define define_syslog_shortcut_method(pri, name) \
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static VALUE mSyslog_##name(int argc, VALUE *argv, VALUE self) \
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{ \
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syslog_write(pri, argc, argv); \
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\
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return self; \
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}
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#ifdef LOG_EMERG
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define_syslog_shortcut_method(LOG_EMERG, emerg)
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#endif
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#ifdef LOG_ALERT
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define_syslog_shortcut_method(LOG_ALERT, alert)
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#endif
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#ifdef LOG_CRIT
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define_syslog_shortcut_method(LOG_CRIT, crit)
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#endif
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#ifdef LOG_ERR
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define_syslog_shortcut_method(LOG_ERR, err)
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#endif
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#ifdef LOG_WARNING
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define_syslog_shortcut_method(LOG_WARNING, warning)
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#endif
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#ifdef LOG_NOTICE
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define_syslog_shortcut_method(LOG_NOTICE, notice)
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#endif
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#ifdef LOG_INFO
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define_syslog_shortcut_method(LOG_INFO, info)
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#endif
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#ifdef LOG_DEBUG
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define_syslog_shortcut_method(LOG_DEBUG, debug)
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#endif
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static VALUE mSyslogConstants_LOG_MASK(VALUE klass, VALUE pri)
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{
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return INT2FIX(LOG_MASK(FIX2INT(pri)));
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}
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static VALUE mSyslogConstants_LOG_UPTO(VALUE klass, VALUE pri)
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{
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return INT2FIX(LOG_UPTO(FIX2INT(pri)));
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}
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/* Init for package syslog */
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void Init_syslog()
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{
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mSyslog = rb_define_module("Syslog");
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mSyslogConstants = rb_define_module_under(mSyslog, "Constants");
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rb_include_module(mSyslog, mSyslogConstants);
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rb_define_module_function(mSyslog, "open", mSyslog_open, -1);
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rb_define_module_function(mSyslog, "reopen", mSyslog_reopen, -1);
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rb_define_module_function(mSyslog, "open!", mSyslog_reopen, -1);
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rb_define_module_function(mSyslog, "opened?", mSyslog_isopen, 0);
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rb_define_module_function(mSyslog, "ident", mSyslog_ident, 0);
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rb_define_module_function(mSyslog, "options", mSyslog_options, 0);
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rb_define_module_function(mSyslog, "facility", mSyslog_facility, 0);
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rb_define_module_function(mSyslog, "log", mSyslog_log, -1);
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rb_define_module_function(mSyslog, "close", mSyslog_close, 0);
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rb_define_module_function(mSyslog, "mask", mSyslog_get_mask, 0);
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rb_define_module_function(mSyslog, "mask=", mSyslog_set_mask, 1);
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rb_define_module_function(mSyslog, "LOG_MASK", mSyslogConstants_LOG_MASK, 1);
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rb_define_module_function(mSyslog, "LOG_UPTO", mSyslogConstants_LOG_UPTO, 1);
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rb_define_module_function(mSyslog, "inspect", mSyslog_inspect, 0);
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rb_define_module_function(mSyslog, "instance", mSyslog_instance, 0);
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rb_define_module_function(mSyslogConstants, "LOG_MASK", mSyslogConstants_LOG_MASK, 1);
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rb_define_module_function(mSyslogConstants, "LOG_UPTO", mSyslogConstants_LOG_UPTO, 1);
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#define rb_define_syslog_const(id) \
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rb_define_const(mSyslogConstants, #id, INT2NUM(id))
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/* Various options when opening log */
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#ifdef LOG_PID
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rb_define_syslog_const(LOG_PID);
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#endif
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#ifdef LOG_CONS
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rb_define_syslog_const(LOG_CONS);
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#endif
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#ifdef LOG_ODELAY
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rb_define_syslog_const(LOG_ODELAY); /* deprecated */
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#endif
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#ifdef LOG_NDELAY
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rb_define_syslog_const(LOG_NDELAY);
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#endif
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#ifdef LOG_NOWAIT
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rb_define_syslog_const(LOG_NOWAIT); /* deprecated */
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#endif
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#ifdef LOG_PERROR
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rb_define_syslog_const(LOG_PERROR);
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#endif
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/* Various syslog facilities */
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#ifdef LOG_AUTH
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rb_define_syslog_const(LOG_AUTH);
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#endif
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#ifdef LOG_AUTHPRIV
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rb_define_syslog_const(LOG_AUTHPRIV);
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#endif
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#ifdef LOG_CONSOLE
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rb_define_syslog_const(LOG_CONSOLE);
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#endif
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#ifdef LOG_CRON
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rb_define_syslog_const(LOG_CRON);
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#endif
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#ifdef LOG_DAEMON
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rb_define_syslog_const(LOG_DAEMON);
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#endif
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#ifdef LOG_FTP
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rb_define_syslog_const(LOG_FTP);
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#endif
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#ifdef LOG_KERN
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rb_define_syslog_const(LOG_KERN);
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#endif
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#ifdef LOG_LPR
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rb_define_syslog_const(LOG_LPR);
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#endif
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#ifdef LOG_MAIL
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rb_define_syslog_const(LOG_MAIL);
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#endif
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#ifdef LOG_NEWS
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rb_define_syslog_const(LOG_NEWS);
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#endif
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#ifdef LOG_NTP
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rb_define_syslog_const(LOG_NTP);
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#endif
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#ifdef LOG_SECURITY
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rb_define_syslog_const(LOG_SECURITY);
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#endif
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#ifdef LOG_SYSLOG
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rb_define_syslog_const(LOG_SYSLOG);
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#endif
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#ifdef LOG_USER
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rb_define_syslog_const(LOG_USER);
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#endif
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#ifdef LOG_UUCP
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rb_define_syslog_const(LOG_UUCP);
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#endif
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#ifdef LOG_LOCAL0
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rb_define_syslog_const(LOG_LOCAL0);
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#endif
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#ifdef LOG_LOCAL1
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rb_define_syslog_const(LOG_LOCAL1);
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#endif
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#ifdef LOG_LOCAL2
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rb_define_syslog_const(LOG_LOCAL2);
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#endif
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#ifdef LOG_LOCAL3
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rb_define_syslog_const(LOG_LOCAL3);
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#endif
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#ifdef LOG_LOCAL4
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rb_define_syslog_const(LOG_LOCAL4);
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#endif
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#ifdef LOG_LOCAL5
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rb_define_syslog_const(LOG_LOCAL5);
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#endif
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#ifdef LOG_LOCAL6
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rb_define_syslog_const(LOG_LOCAL6);
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#endif
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#ifdef LOG_LOCAL7
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rb_define_syslog_const(LOG_LOCAL7);
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#endif
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#define rb_define_syslog_shortcut(name) \
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rb_define_module_function(mSyslog, #name, mSyslog_##name, -1)
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/* Various syslog priorities and the shortcut methods */
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#ifdef LOG_EMERG
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rb_define_syslog_const(LOG_EMERG);
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rb_define_syslog_shortcut(emerg);
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#endif
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#ifdef LOG_ALERT
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rb_define_syslog_const(LOG_ALERT);
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rb_define_syslog_shortcut(alert);
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#endif
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#ifdef LOG_CRIT
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rb_define_syslog_const(LOG_CRIT);
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rb_define_syslog_shortcut(crit);
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#endif
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#ifdef LOG_ERR
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rb_define_syslog_const(LOG_ERR);
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rb_define_syslog_shortcut(err);
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#endif
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#ifdef LOG_WARNING
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rb_define_syslog_const(LOG_WARNING);
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rb_define_syslog_shortcut(warning);
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#endif
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#ifdef LOG_NOTICE
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rb_define_syslog_const(LOG_NOTICE);
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rb_define_syslog_shortcut(notice);
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#endif
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#ifdef LOG_INFO
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rb_define_syslog_const(LOG_INFO);
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rb_define_syslog_shortcut(info);
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#endif
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#ifdef LOG_DEBUG
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rb_define_syslog_const(LOG_DEBUG);
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rb_define_syslog_shortcut(debug);
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#endif
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}
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