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// $Id$
#include "ace/config-all.h"
#if !defined (ACE_LACKS_UNIX_SYSLOG)
#include "ace/ACE.h"
#include "ace/Log_Msg.h"
#include "ace/Log_Msg_UNIX_Syslog.h"
#include "ace/Log_Record.h"
#include "ace/OS_NS_string.h"
#include "ace/os_include/os_syslog.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
// NOTE:
// The ACE_Log_Msg_UNIX_Syslog class can use the openlog(),
// setlogmask(), syslog() and closelog() routines in a thread safe
// manner (versus using openlog_r(), et. al.), as the ACE_Log_Msg
// class uses the lock provided by its local ACE_Log_Msg_Manager
// class when calling the methods of the backend classes. As a
// result, logging semantics with respect to the UNIX syslog
// facility, will be the same for all threads in a process. This
// should not be too limiting, as the ACE_Log_Msg class itself can
// be used to control thread specific logging behavior.
ACE_Log_Msg_UNIX_Syslog::ACE_Log_Msg_UNIX_Syslog (void)
{
}
ACE_Log_Msg_UNIX_Syslog::~ACE_Log_Msg_UNIX_Syslog (void)
{
(void) this->close ();
}
int
ACE_Log_Msg_UNIX_Syslog::open (const ACE_TCHAR * logger_key)
{
if (logger_key == 0)
logger_key = ACE_Log_Msg::program_name ();
// Initialize the UNIX syslog facility. Default the syslog log
// options LOG_CONS and LOG_PID to be set. There really should be a
// logging strategy option to control the syslog log options,
// however, we'll take the easy way out for now.
// const_cast?
::openlog (const_cast<char *>(ACE_TEXT_TO_CHAR_IN(logger_key)),
LOG_CONS|LOG_PID,
ACE_DEFAULT_SYSLOG_FACILITY);
// Enable logging of all syslog priorities. If logging of all
// priorities is not desired, use the ACE_Log_Msg::priority_mask()
// method to control the log output sent to the syslog daemon via
// the log() method, or use the system's syslog.conf file to select
// desired level of information.
#if !defined (ACE_LACKS_SETLOGMASK)
(void) setlogmask (LOG_UPTO (LOG_DEBUG));
#endif /* ACE_LACKS_SETLOGMASK */
return 0;
}
int
ACE_Log_Msg_UNIX_Syslog::reset (void)
{
return this->close ();
}
int
ACE_Log_Msg_UNIX_Syslog::close (void)
{
closelog();
return 0;
}
int
ACE_Log_Msg_UNIX_Syslog::log (ACE_Log_Record &log_record)
{
int syslog_priority = this->convert_log_priority (log_record.type ());
u_long flags = ACE_LOG_MSG->flags ();
// The UNIX syslog() facility does not support multi-line messages.
// Break up the message data into separate lines and send each line
// to the syslog daemon.
ACE_TCHAR message[ACE_Log_Record::MAXVERBOSELOGMSGLEN];
ACE_OS::strcpy (message, log_record.msg_data ());
ACE_TCHAR *strtokp = 0;
for (ACE_TCHAR *line = ACE_OS::strtok_r (message,
ACE_LIB_TEXT ("\n"),
&strtokp);
line != 0;
line = ACE_OS::strtok_r (0,
ACE_LIB_TEXT ("\n"),
&strtokp))
{
// Format the message line. Note that the processing for
// VERBOSE is the same as for VERBOSE_LITE, since syslog()
// already provides us with the hostname and PID. However, the
// timestamp is duplicated (albeit a shortened version) to
// provide a timestamp with greater precision than that provided
// by syslog().
if (ACE_BIT_ENABLED (flags, ACE_Log_Msg::VERBOSE)
|| ACE_BIT_ENABLED (flags, ACE_Log_Msg::VERBOSE_LITE))
{
ACE_TCHAR date_and_time[35];
if (0 == ACE::timestamp (date_and_time, sizeof (date_and_time), 1))
ACE_OS::strcpy (date_and_time, ACE_LIB_TEXT ("<time error>"));
const ACE_TCHAR *prio_name =
ACE_Log_Record::priority_name(ACE_Log_Priority(log_record.type()));
syslog (syslog_priority,
"%s: %s: %s",
ACE_TEXT_TO_CHAR_IN (date_and_time),
ACE_TEXT_TO_CHAR_IN (prio_name),
ACE_TEXT_TO_CHAR_IN (line));
}
else // No formatting required.
syslog (syslog_priority, "%s", ACE_TEXT_TO_CHAR_IN (line));
}
return 0;
}
int
ACE_Log_Msg_UNIX_Syslog::convert_log_priority (ACE_UINT32 lm_priority)
{
int syslog_priority;
switch (lm_priority)
{
case LM_TRACE:
case LM_DEBUG:
syslog_priority = LOG_DEBUG;
break;
case LM_STARTUP:
case LM_SHUTDOWN:
case LM_INFO:
syslog_priority = LOG_INFO;
break;
case LM_NOTICE:
syslog_priority = LOG_NOTICE;
break;
case LM_WARNING:
syslog_priority = LOG_WARNING;
break;
case LM_CRITICAL:
syslog_priority = LOG_CRIT;
break;
case LM_ALERT:
syslog_priority = LOG_ALERT;
break;
case LM_EMERGENCY:
syslog_priority = LOG_EMERG;
break;
case LM_ERROR:
default:
syslog_priority = LOG_ERR;
break;
}
return syslog_priority;
}
int
ACE_Log_Msg_UNIX_Syslog::convert_log_mask (int lm_mask)
{
int syslog_mask = 0;
if (ACE_BIT_ENABLED (lm_mask, LM_TRACE)
|| ACE_BIT_ENABLED (lm_mask, LM_DEBUG))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_DEBUG));
if (ACE_BIT_ENABLED (lm_mask, LM_STARTUP)
|| ACE_BIT_ENABLED (lm_mask, LM_SHUTDOWN)
|| ACE_BIT_ENABLED (lm_mask, LM_INFO))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_INFO));
if (ACE_BIT_ENABLED (lm_mask, LM_NOTICE))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_NOTICE));
if (ACE_BIT_ENABLED (lm_mask, LM_ERROR))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_ERR));
if (ACE_BIT_ENABLED (lm_mask, LM_WARNING))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_WARNING));
if (ACE_BIT_ENABLED (lm_mask, LM_CRITICAL))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_CRIT));
if (ACE_BIT_ENABLED (lm_mask, LM_ALERT))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_ALERT));
if (ACE_BIT_ENABLED (lm_mask, LM_EMERGENCY))
ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_EMERG));
return syslog_mask;
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* !ACE_LACKS_UNIX_SYSLOG */
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