streams/wvsyslog.cc

   1 /*
   2  * Worldvisions Weaver Software:
   3  *   Copyright (C) 1997-2002 Net Integration Technologies, Inc.
   4  *
   5  * WvSyslog is a descendant of WvLogRcv that sends messages to the syslogd
   6  * daemon.
   7  */
   8 #include "wvsyslog.h"
   9 #include "strutils.h"
  10 #include <time.h>
  11 #include <syslog.h>
  12
  13 WvSyslog::WvSyslog(WvStringParm _prefix, bool _include_appname,
  14                    WvLog::LogLevel _first_debug,
  15                    WvLog::LogLevel _max_level)
  16         : WvLogRcv(_max_level), syslog_prefix(_prefix)
  17 {
  18     first_debug = _first_debug;
  19     include_appname = _include_appname;
  20     openlog(syslog_prefix, 0, LOG_DAEMON);
  21 }
  22
  23
  24 WvSyslog::~WvSyslog()
  25 {
  26     end_line();
  27     closelog();
  28 }
  29
  30
  31 void WvSyslog::_begin_line()
  32 {
  33     if (include_appname)
  34         current.put(prefix, prelen);
  35 }
  36
  37
  38 void WvSyslog::_mid_line(const char *str, size_t len)
  39 {
  40     current.put(str, len);
  41 }
  42
  43
  44 void WvSyslog::_end_line()
  45 {
  46     int lev, count;
  47     struct LevMap
  48     {
  49         int wvlog_lvl;
  50         int syslog_lvl;
  51     };
  52
  53     static LevMap levmap[] = {
  54         {WvLog::Critical,       LOG_CRIT},
  55         {WvLog::Error,          LOG_ERR},
  56         {WvLog::Warning,        LOG_WARNING},
  57         {WvLog::Notice,         LOG_NOTICE},
  58         {WvLog::Info,           LOG_INFO},
  59         {WvLog::Debug,          LOG_DEBUG},
  60         {WvLog::Debug2,         -1},
  61         {-1, -1}
  62     };
  63
  64     if (current.used())
  65     {
  66         lev = -1;
  67
  68         for (count = 0; levmap[count].wvlog_lvl >= 0; count++)
  69         {
  70             if (last_level >= levmap[count].wvlog_lvl)
  71                 lev = levmap[count].syslog_lvl;
  72         }
  73
  74         if (last_level < first_debug && lev == LOG_DEBUG)
  75             lev = LOG_INFO;
  76
  77         if (lev >= 0)
  78         {
  79             current.put("", 1); // null-terminate
  80             syslog(lev, "%s", current.get(current.used()));
  81         }
  82         else
  83             current.zap(); // not important enough to print this message
  84     }
  85 }
  86