release/src/router/mysql/storage/ndb/src/common/logger/SysLogHandler.cpp

   1 /* Copyright (c) 2003-2006 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #include "SysLogHandler.hpp"
  17
  18 #include <syslog.h>
  19
  20 //
  21 // PUBLIC
  22 //
  23
  24 SysLogHandler::SysLogHandler() :
  25   m_severity(LOG_INFO),
  26   m_pIdentity("NDB"),
  27   m_facility(LOG_USER)
  28 {
  29 }
  30
  31 SysLogHandler::SysLogHandler(const char* pIdentity, int facility) :
  32   m_severity(LOG_INFO),
  33   m_pIdentity(pIdentity),
  34   m_facility(facility)
  35 {
  36
  37 }
  38
  39 SysLogHandler::~SysLogHandler()
  40 {
  41 }
  42
  43 bool
  44 SysLogHandler::open()
  45 {
  46   ::setlogmask(LOG_UPTO(LOG_DEBUG)); // Log from EMERGENCY down to DEBUG
  47   ::openlog(m_pIdentity, LOG_PID|LOG_CONS|LOG_ODELAY, m_facility); // PID, CONSOLE delay openlog
  48
  49   return true;
  50 }
  51
  52 bool
  53 SysLogHandler::close()
  54 {
  55   ::closelog();
  56
  57   return true;
  58 }
  59
  60 void
  61 SysLogHandler::writeHeader(const char* pCategory, Logger::LoggerLevel level)
  62 {
  63   // Save category to be used by writeMessage...
  64   m_pCategory = pCategory;
  65   // Map LogLevel to syslog severity
  66   switch (level)
  67   {
  68   case Logger::LL_ALERT:
  69     m_severity = LOG_ALERT;
  70     break;
  71   case Logger::LL_CRITICAL:
  72     m_severity = LOG_CRIT;
  73     break;
  74   case Logger::LL_ERROR:
  75     m_severity = LOG_ERR;
  76     break;
  77   case Logger::LL_WARNING:
  78     m_severity = LOG_WARNING;
  79     break;
  80   case Logger::LL_INFO:
  81     m_severity = LOG_INFO;
  82     break;
  83   case Logger::LL_DEBUG:
  84     m_severity = LOG_DEBUG;
  85     break;
  86   default:
  87     m_severity = LOG_INFO;
  88     break;
  89   }
  90
  91 }
  92
  93 void
  94 SysLogHandler::writeMessage(const char* pMsg)
  95 {
  96   ::syslog(m_facility | m_severity, "[%s] %s", m_pCategory, pMsg);
  97 }
  98
  99 void
 100 SysLogHandler::writeFooter()
 101 {
 102   // Need to close it everytime? Do we run out of file descriptors?
 103   //::closelog();
 104 }
 105
 106 bool
 107 SysLogHandler::setParam(const BaseString &param, const BaseString &value) {
 108   if(param == "facility") {
 109     return setFacility(value);
 110   }
 111   return false;
 112 }
 113
 114 static const struct syslog_facility {
 115   const char *name;
 116   int value;
 117 } facilitynames[] = {
 118   { "auth", LOG_AUTH },
 119 #ifdef LOG_AUTHPRIV
 120   { "authpriv", LOG_AUTHPRIV },
 121 #endif
 122   { "cron", LOG_CRON },
 123   { "daemon", LOG_DAEMON },
 124 #ifdef LOG_FTP
 125   { "ftp", LOG_FTP },
 126 #endif
 127   { "kern", LOG_KERN },
 128   { "lpr", LOG_LPR },
 129   { "mail", LOG_MAIL },
 130   { "news", LOG_NEWS },
 131   { "syslog", LOG_SYSLOG },
 132   { "user", LOG_USER },
 133   { "uucp", LOG_UUCP },
 134   { "local0", LOG_LOCAL0 },
 135   { "local1", LOG_LOCAL1 },
 136   { "local2", LOG_LOCAL2 },
 137   { "local3", LOG_LOCAL3 },
 138   { "local4", LOG_LOCAL4 },
 139   { "local5", LOG_LOCAL5 },
 140   { "local6", LOG_LOCAL6 },
 141   { "local7", LOG_LOCAL7 },
 142   { NULL, -1 }
 143 };
 144
 145 bool
 146 SysLogHandler::setFacility(const BaseString &facility) {
 147   const struct syslog_facility *c;
 148   for(c = facilitynames; c->name != NULL; c++) {
 149     if(facility == c->name) {
 150       m_facility = c->value;
 151       close();
 152       open();
 153       return true;
 154     }
 155   }
 156   setErrorStr("Invalid syslog facility name");
 157   return false;
 158 }