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Initial Mangos Three Commit
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dep/acelite/ace/Log_Msg_UNIX_Syslog.cpp
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210
dep/acelite/ace/Log_Msg_UNIX_Syslog.cpp
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#include "ace/config-all.h"
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#if !defined (ACE_LACKS_UNIX_SYSLOG)
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#include "ace/ACE.h"
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#include "ace/Log_Category.h"
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#include "ace/Log_Msg_UNIX_Syslog.h"
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#include "ace/Log_Record.h"
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#include "ace/OS_NS_string.h"
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#include "ace/os_include/os_syslog.h"
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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// NOTE:
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// The ACE_Log_Msg_UNIX_Syslog class can use the openlog(),
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// setlogmask(), syslog() and closelog() routines in a thread safe
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// manner (versus using openlog_r(), et. al.), as the ACE_Log_Msg
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// class uses the lock provided by its local ACE_Log_Msg_Manager
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// class when calling the methods of the backend classes. As a
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// result, logging semantics with respect to the UNIX syslog
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// facility, will be the same for all threads in a process. This
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// should not be too limiting, as the ACE_Log_Msg class itself can
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// be used to control thread specific logging behavior.
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ACE_Log_Msg_UNIX_Syslog::ACE_Log_Msg_UNIX_Syslog (void)
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{
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}
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ACE_Log_Msg_UNIX_Syslog::~ACE_Log_Msg_UNIX_Syslog (void)
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{
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(void) this->close ();
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}
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int
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ACE_Log_Msg_UNIX_Syslog::open (const ACE_TCHAR * logger_key)
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{
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if (logger_key == 0)
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logger_key = ACE_Log_Msg::program_name ();
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// Initialize the UNIX syslog facility. Default the syslog log
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// options LOG_CONS and LOG_PID to be set. There really should be a
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// logging strategy option to control the syslog log options,
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// however, we'll take the easy way out for now.
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#if defined (ACE_LACKS_OPENLOG)
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ACE_UNUSED_ARG (logger_key);
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ACE_NOTSUP_RETURN (-1);
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#else
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# if defined (ACE_USES_WCHAR)
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openlog (ACE_TEXT_ALWAYS_CHAR (logger_key),
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LOG_CONS|LOG_PID,
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ACE_DEFAULT_SYSLOG_FACILITY);
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# else
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openlog (const_cast<char *> (logger_key),
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LOG_CONS|LOG_PID,
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ACE_DEFAULT_SYSLOG_FACILITY);
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# endif /* ACE_USES_WCHAR */
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#endif /* ACE_LACKS_OPENLOG */
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// Enable logging of all syslog priorities. If logging of all
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// priorities is not desired, use the ACE_Log_Msg::priority_mask()
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// method to control the log output sent to the syslog daemon via
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// the log() method, or use the system's syslog.conf file to select
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// desired level of information.
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#if !defined (ACE_LACKS_SETLOGMASK)
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(void) setlogmask (LOG_UPTO (LOG_DEBUG));
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#endif /* ACE_LACKS_SETLOGMASK */
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return 0;
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}
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int
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ACE_Log_Msg_UNIX_Syslog::reset (void)
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{
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return this->close ();
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}
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int
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ACE_Log_Msg_UNIX_Syslog::close (void)
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{
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closelog();
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return 0;
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}
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ssize_t
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ACE_Log_Msg_UNIX_Syslog::log (ACE_Log_Record &log_record)
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{
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int syslog_priority = this->convert_log_priority (log_record.type ());
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u_long flags = ACE_LOG_MSG->flags ();
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// The UNIX syslog() facility does not support multi-line messages.
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// Break up the message data into separate lines and send each line
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// to the syslog daemon.
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ACE_TCHAR message[ACE_Log_Record::MAXVERBOSELOGMSGLEN];
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ACE_OS::strcpy (message, log_record.msg_data ());
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ACE_TCHAR *strtokp = 0;
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for (ACE_TCHAR *line = ACE_OS::strtok_r (message,
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ACE_TEXT ("\n"),
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&strtokp);
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line != 0;
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line = ACE_OS::strtok_r (0,
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ACE_TEXT ("\n"),
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&strtokp))
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{
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// Format the message line. Note that the processing for
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// VERBOSE is the same as for VERBOSE_LITE, since syslog()
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// already provides us with the hostname and PID. However, the
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// timestamp is duplicated (albeit a shortened version) to
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// provide a timestamp with greater precision than that provided
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// by syslog().
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if (ACE_BIT_ENABLED (flags, ACE_Log_Msg::VERBOSE)
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|| ACE_BIT_ENABLED (flags, ACE_Log_Msg::VERBOSE_LITE))
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{
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ACE_TCHAR date_and_time[27];
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if (0 == ACE::timestamp (date_and_time, sizeof (date_and_time), 1))
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ACE_OS::strcpy (date_and_time, ACE_TEXT ("<time error>"));
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const ACE_TCHAR *prio_name =
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ACE_Log_Record::priority_name(ACE_Log_Priority(log_record.type()));
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syslog (syslog_priority,
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"%s: %s: %s",
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ACE_TEXT_ALWAYS_CHAR (date_and_time),
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ACE_TEXT_ALWAYS_CHAR (prio_name),
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ACE_TEXT_ALWAYS_CHAR (line));
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}
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else // No formatting required.
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syslog (syslog_priority, "%s", ACE_TEXT_ALWAYS_CHAR (line));
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}
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return 0;
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}
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int
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ACE_Log_Msg_UNIX_Syslog::convert_log_priority (ACE_UINT32 lm_priority)
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{
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int syslog_priority;
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switch (lm_priority)
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{
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case LM_TRACE:
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case LM_DEBUG:
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syslog_priority = LOG_DEBUG;
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break;
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case LM_STARTUP:
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case LM_SHUTDOWN:
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case LM_INFO:
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syslog_priority = LOG_INFO;
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break;
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case LM_NOTICE:
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syslog_priority = LOG_NOTICE;
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break;
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case LM_WARNING:
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syslog_priority = LOG_WARNING;
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break;
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case LM_CRITICAL:
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syslog_priority = LOG_CRIT;
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break;
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case LM_ALERT:
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syslog_priority = LOG_ALERT;
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break;
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case LM_EMERGENCY:
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syslog_priority = LOG_EMERG;
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break;
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case LM_ERROR:
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default:
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syslog_priority = LOG_ERR;
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break;
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}
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return syslog_priority;
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}
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int
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ACE_Log_Msg_UNIX_Syslog::convert_log_mask (int lm_mask)
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{
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int syslog_mask = 0;
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if (ACE_BIT_ENABLED (lm_mask, LM_TRACE)
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|| ACE_BIT_ENABLED (lm_mask, LM_DEBUG))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_DEBUG));
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if (ACE_BIT_ENABLED (lm_mask, LM_STARTUP)
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|| ACE_BIT_ENABLED (lm_mask, LM_SHUTDOWN)
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|| ACE_BIT_ENABLED (lm_mask, LM_INFO))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_INFO));
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if (ACE_BIT_ENABLED (lm_mask, LM_NOTICE))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_NOTICE));
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if (ACE_BIT_ENABLED (lm_mask, LM_ERROR))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_ERR));
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if (ACE_BIT_ENABLED (lm_mask, LM_WARNING))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_WARNING));
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if (ACE_BIT_ENABLED (lm_mask, LM_CRITICAL))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_CRIT));
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if (ACE_BIT_ENABLED (lm_mask, LM_ALERT))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_ALERT));
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if (ACE_BIT_ENABLED (lm_mask, LM_EMERGENCY))
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ACE_SET_BITS (syslog_mask, LOG_MASK(LOG_EMERG));
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return syslog_mask;
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* !ACE_LACKS_UNIX_SYSLOG */
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