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1637.3.1
by Mark Atwood
new syslog module, with plugins for query log, error message, and SYSLOG() function |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2010 Mark Atwood
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "wrap.h" |
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#include <assert.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#ifdef __sun
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# include <syslog.h>
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# include "names.h"
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#else
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# define SYSLOG_NAMES 1
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# include <syslog.h>
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#endif
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WrapSyslog::WrapSyslog () : |
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openlog_check(false) |
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{ } |
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WrapSyslog::~WrapSyslog () |
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{
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::closelog(); |
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delete &(WrapSyslog::singleton()); |
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}
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WrapSyslog& WrapSyslog::singleton() |
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{
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static WrapSyslog *handle = new WrapSyslog(); |
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return *handle; |
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}
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/* TODO, for the sake of performance, scan through all the priority
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and facility names, and construct a stl hash, minimal perfect hash,
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or some other high performance read data structure. This can even
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be done at compile time. */
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int WrapSyslog::getPriorityByName(const char *priority_name) |
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{
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for (int ndx= 0; prioritynames[ndx].c_name; ndx++) |
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{
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if (strcasecmp(prioritynames[ndx].c_name, priority_name) == 0) |
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{
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return prioritynames[ndx].c_val; |
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}
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}
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// no matching priority found
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return -1; |
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}
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int WrapSyslog::getFacilityByName(const char *facility_name) |
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{
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for (int ndx= 0; facilitynames[ndx].c_name; ndx++) |
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{
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if (strcasecmp(facilitynames[ndx].c_name, facility_name) == 0) |
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{
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return facilitynames[ndx].c_val; |
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}
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}
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// no matching facility found
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return -1; |
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}
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void WrapSyslog::openlog(char *ident) |
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{
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if (openlog_check == false) |
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{
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memset(openlog_ident, 0, sizeof(openlog_ident)); |
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strncpy(openlog_ident, ident, sizeof(openlog_ident)-1); |
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::openlog(openlog_ident, LOG_PID, LOG_USER); |
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openlog_check= true; |
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}
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}
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void WrapSyslog::vlog(int facility, int priority, const char *format, va_list ap) |
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{
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assert(openlog_check == true); |
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vsyslog(facility | priority, format, ap); |
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}
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void WrapSyslog::log (int facility, int priority, const char *format, ...) |
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{
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assert(openlog_check == true); |
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va_list ap; |
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va_start(ap, format); |
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vsyslog(facility | priority, format, ap); |
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va_end(ap); |
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}
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