//%2006////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
//%/////////////////////////////////////////////////////////////////////////////

#include <iostream>
#include <fstream>
#include <cstring>
#include <Pegasus/Common/Logger.h>
#include <Pegasus/Common/System.h>
#include <Pegasus/Common/FileSystem.h>
#include <Pegasus/Common/MessageLoader.h>
#include <Pegasus/Common/Executor.h>
#include <Pegasus/Common/Mutex.h>

#if defined(PEGASUS_USE_SYSLOGS)
# include <syslog.h>
#endif

PEGASUS_USING_STD;

PEGASUS_NAMESPACE_BEGIN

// Log callback function and data.
static Logger::LogCallback _callback;
static void* _data;

// Maximum logfile size is defined as 32 MB = 32 * 1024 * 1024
# define PEGASUS_MAX_LOGFILE_SIZE 0X2000000

const Uint32 Logger::TRACE = (1 << 0);
const Uint32 Logger::INFORMATION = (1 << 1);
const Uint32 Logger::WARNING = (1 << 2);
const Uint32 Logger::SEVERE = (1 << 3);
const Uint32 Logger::FATAL = (1 << 4);

static char const* LOGLEVEL_LIST[] =
{
    "TRACE",
    "INFORMATION",
    "WARNING",
    "SEVERE",
    "FATAL"
};

LoggerRep* Logger::_rep = 0;
String Logger::_homeDirectory = ".";

const Uint32 Logger::_NUM_LOGLEVEL = 5;

// Set separator
const char Logger::_SEPARATOR = '@';

Uint32 Logger::_severityMask;

Uint32 Logger::_writeControlMask = 0xF;   // Set all on by default

// Set the return codes
const Boolean Logger::_SUCCESS = 1;
const Boolean Logger::_FAILURE = 0;

    static const char* fileNames[] =
    {
        "PegasusTrace.log",
        "PegasusStandard.log",
        "PegasusAudit.log",
        "PegasusError.log",
        "PegasusDebug.log"
    };
static const char* lockFileName =  "PegasusLog.lock";

#if defined(PEGASUS_OS_VXWORKS) && defined(log)
#  undef log
#endif

/* _constructFileName prepares the absolute file name from homeDirectory
    and fileName.

    Today this is static.  However, it should be completely
    configerable and driven from the config file so that
    Log organization and names are open.
    ATTN: rewrite this so that names, choice to do logs and
    mask for level of severity are all driven from configuration
    input.
*/
static CString _constructFileName(
    const String& homeDirectory,
    const char * fileName)
{
    String result;
    result.reserveCapacity((Uint32)(homeDirectory.size() + 1 +
        strlen(fileName)));
    result.append(homeDirectory);
    result.append('/');
    result.append(fileName);
    return result.getCString();
}

class LoggerRep
{
public:

    LoggerRep(const String& homeDirectory)
    {
#if !defined(PEGASUS_USE_SYSLOGS)
        // Add test for home directory set.

        // If home directory does not exist, create it.
        CString lgDir = homeDirectory.getCString();

        if (!System::isDirectory(lgDir))
            System::makeDirectory(lgDir);

        // KS: I put the second test in just in case some trys to create
        // a completly erronous directory.  At least we will get a message
        if (!System::isDirectory(lgDir))
        {
            MessageLoaderParms parms("Common.Logger.LOGGING_DISABLED",
                "Logging Disabled");

            cerr << MessageLoader::getMessage(parms);
        }

       //Filelocks are not used for VMS
#if !defined(PEGASUS_OS_VMS)
        _loggerLockFileName = _constructFileName(homeDirectory, lockFileName);

        // Open and close a file to make sure that the file exists, on which
        // file lock is requested
        FILE *fileLockFilePointer;
        fileLockFilePointer = fopen(_loggerLockFileName, "a+");
        if(fileLockFilePointer)
        {
            fclose(fileLockFilePointer);
        }
#endif


        _logFileNames[Logger::TRACE_LOG] = _constructFileName(homeDirectory,
                                               fileNames[Logger::TRACE_LOG]);

        _logFileNames[Logger::STANDARD_LOG] = _constructFileName(homeDirectory,
                                               fileNames[Logger::STANDARD_LOG]);

#ifndef PEGASUS_DISABLE_AUDIT_LOGGER
        _logFileNames[Logger::AUDIT_LOG] = _constructFileName(homeDirectory,
                                               fileNames[Logger::AUDIT_LOG]);
#endif

        _logFileNames[Logger::ERROR_LOG] = _constructFileName(homeDirectory,
                                               fileNames[Logger::ERROR_LOG]);

        _logFileNames[Logger::DEBUG_LOG] = _constructFileName(homeDirectory,
                                               fileNames[Logger::DEBUG_LOG]);
#else

#ifdef PEGASUS_OS_ZOS
       logIdentity = strdup(System::CIMSERVER.getCString());
        // If System Log is used open it
        System::openlog(logIdentity, LOG_PID, LOG_DAEMON);
#endif

#endif

    }

    ~LoggerRep()
    {

#ifdef PEGASUS_OS_ZOS
        System::closelog();
        free(logIdentity);
#endif
    }

    // Actual logging is done in this routine
    void log(Logger::LogFileType logFileType,
        const String& systemId,
        Uint32 logLevel,
        const String localizedMsg)
    {
        // Use logging callback if installed and bypass logging logic below.

        if (_callback)
        {
            // Set type:

            int type;

            switch (logFileType)
            {
                case Logger::TRACE_LOG:
                    type = 1;
                    break;
                case Logger::STANDARD_LOG:
                    type = 2;
                    break;
                case Logger::AUDIT_LOG:
                    type = 3;
                    break;
                case Logger::ERROR_LOG:
                    type = 4;
                    break;
                case Logger::DEBUG_LOG:
                    type = 5;
                    break;
                default:
                    return;
            }

            // Set system:

            CString system(systemId.getCString());

            // Set level:

            int level;

            switch (logLevel)
            {
                case Logger::TRACE:
                    level = 1;
                    break;
                case Logger::INFORMATION:
                    level = 2;
                    break;
                case Logger::WARNING:
                    level = 3;
                    break;
                case Logger::SEVERE:
                    level = 4;
                    break;
                case Logger::FATAL:
                    level = 5;
                    break;
                default:
                    return;
            }

            // Set message:

            CString message(localizedMsg.getCString());

            // Invoke the callback.

            (*_callback)(type, system, level, message, _data);

            return;
        }

#if defined(PEGASUS_USE_SYSLOGS)

        // Log the message
        System::syslog(systemId, logLevel, localizedMsg.getCString());

#else
        // Prepend the systemId to the incoming message
        String messageString(systemId);
        messageString.append(": ");
        messageString.append(localizedMsg);  // l10n

        // Get the logLevel String
        // This converts bitmap to string based on highest order
        // bit set
        // ATTN: KS Fix this more efficiently.
        const char* tmp = "";
        if (logLevel & Logger::TRACE) tmp =       "TRACE   ";
        if (logLevel & Logger::INFORMATION) tmp = "INFO    ";
        if (logLevel & Logger::WARNING) tmp =     "WARNING ";
        if (logLevel & Logger::SEVERE) tmp =      "SEVERE  ";
        if (logLevel & Logger::FATAL) tmp =       "FATAL   ";

# ifndef PEGASUS_OS_VMS
        // Acquire AutoMutex (for thread sync) 
        // and AutoFileLock (for Process Sync).
        AutoMutex am(_mutex);
        AutoFileLock fileLock(_loggerLockFileName);

        Uint32  logFileSize = 0;

        // Read logFileSize to check if the logfile needs to be pruned.
        FileSystem::getFileSize(String(_logFileNames[logFileType]), 
                                       logFileSize);

        // Check if the size of the logfile is exceeding 32MB.
        if ( logFileSize > PEGASUS_MAX_LOGFILE_SIZE)
    {
            // Prepare appropriate file name based on the logFileType.
            // Eg: if Logfile name is PegasusStandard.log, pruned logfile name
            // will be PegasusStandard-062607-122302.log,where 062607-122302
            // is the time stamp.
            String prunedLogfile(_logFileNames[logFileType],
                                (Uint32)strlen(_logFileNames[logFileType]) - 4);
            prunedLogfile.append('-');

            // Get timestamp,remove illegal chars in file name'/' and ':'
            // (: is illegal Open VMS) from the time stamp. Append the time
            // info to the file name.

            String timeStamp = System::getCurrentASCIITime();
            for (unsigned int i=0; i<=timeStamp.size(); i++)
            {
                if(timeStamp[i] == '/' || timeStamp[i] == ':')
                {
                    timeStamp.remove(i, 1);
                }
            }
            prunedLogfile.append(timeStamp);

            // Append '.log' to the file
            prunedLogfile.append( ".log");

            // Rename the logfile
            FileSystem::renameFile(String(_logFileNames[logFileType]),
                                   prunedLogfile);

        } // Check if the logfile needs to be pruned.
# endif  // ifndef PEGASUS_OS_VMS

        // Open Logfile. Based on the value of logFileType, one of the five
        // Logfiles will be opened.
        ofstream logFileStream;
        logFileStream.open(_logFileNames[logFileType], ios::app);
        logFileStream << System::getCurrentASCIITime()
           << " " << tmp << (const char *)messageString.getCString() << endl;
        logFileStream.close();
#endif // ifndef PEGASUS_USE_SYSLOGS
    }

private:

#ifdef PEGASUS_OS_ZOS
    char* logIdentity;
#endif
    CString _logFileNames[int(Logger::NUM_LOGS)];
#ifndef PEGASUS_OS_VMS
    CString _loggerLockFileName;
    Mutex _mutex;
#endif
};

void Logger::_putInternal(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent, // FUTURE: Support logComponent mask
    Uint32 logLevel,
    const String& formatString,
    const String& messageId,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2,
    const Formatter::Arg& arg3,
    const Formatter::Arg& arg4,
    const Formatter::Arg& arg5,
    const Formatter::Arg& arg6,
    const Formatter::Arg& arg7,
    const Formatter::Arg& arg8,
    const Formatter::Arg& arg9)
{
    // Test for logLevel against severity mask to determine
    // if we write this log.
    if ((_severityMask & logLevel) != 0)
    {
        if (!_rep)
           _rep = new LoggerRep(_homeDirectory);


        // l10n start
        // The localized message to be sent to the system log.
        String localizedMsg;

        // If the caller specified a messageId, then load the localized
        // message in the locale of the server process.
        if (messageId != String::EMPTY)
        {
            // A message ID was specified.  Use the MessageLoader.
            MessageLoaderParms msgParms(messageId, formatString);
            msgParms.useProcessLocale = true;
            msgParms.arg0 = arg0;
            msgParms.arg1 = arg1;
            msgParms.arg2 = arg2;
            msgParms.arg3 = arg3;
            msgParms.arg4 = arg4;
            msgParms.arg5 = arg5;
            msgParms.arg6 = arg6;
            msgParms.arg7 = arg7;
            msgParms.arg8 = arg8;
            msgParms.arg9 = arg9;

            localizedMsg = MessageLoader::getMessage(msgParms);
        }
        else
        {  // No message ID.  Use the Pegasus formatter
              localizedMsg = Formatter::format(formatString,
                arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
        }
// l10n end


       // Call the actual logging routine is in LoggerRep.
       _rep->log(logFileType, systemId, logLevel, localizedMsg);
    }
}

////////////////////////////////////////////////////////////////////////////////
//
// Public methods start here:
//
////////////////////////////////////////////////////////////////////////////////

void Logger::put(
    LogFileType logFileType,
    const String& systemId,
    Uint32 logLevel,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2,
    const Formatter::Arg& arg3,
    const Formatter::Arg& arg4,
    const Formatter::Arg& arg5,
    const Formatter::Arg& arg6,
    const Formatter::Arg& arg7,
    const Formatter::Arg& arg8,
    const Formatter::Arg& arg9)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, String::EMPTY, arg0, arg1, arg2, arg3,
            arg4, arg5, arg6, arg7, arg8, arg9);
    }
}

void Logger::put(
    LogFileType logFileType,
    const String& systemId,
    Uint32 logLevel,
    const String& formatString)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, String::EMPTY);
    }
}

void Logger::put(
    LogFileType logFileType,
    const String& systemId,
    Uint32 logLevel,
    const String& formatString,
    const Formatter::Arg& arg0)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, String::EMPTY, arg0);
    }
}

void Logger::put(
    LogFileType logFileType,
    const String& systemId,
    Uint32 logLevel,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, String::EMPTY, arg0, arg1);
    }
}

void Logger::put(
    LogFileType logFileType,
    const String& systemId,
    Uint32 logLevel,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, String::EMPTY, arg0, arg1, arg2);
    }
}

void Logger::put_l(
    LogFileType logFileType,
    const String& systemId,
    Uint32 logLevel,
    const String& messageId,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2,
    const Formatter::Arg& arg3,
    const Formatter::Arg& arg4,
    const Formatter::Arg& arg5,
    const Formatter::Arg& arg6,
    const Formatter::Arg& arg7,
    const Formatter::Arg& arg8,
    const Formatter::Arg& arg9)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, messageId, arg0, arg1, arg2, arg3, arg4, arg5,
            arg6, arg7, arg8, arg9);
    }
}

void Logger::put_l(
     LogFileType logFileType,
     const String& systemId,
     Uint32 logLevel,
     const String& messageId,
     const String& formatString)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
        formatString, messageId);
    }
}

void Logger::put_l(
     LogFileType logFileType,
     const String& systemId,
     Uint32 logLevel,
     const String& messageId,
     const String& formatString,
     const Formatter::Arg& arg0)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, messageId, arg0);
    }
}

void Logger::put_l(
     LogFileType logFileType,
     const String& systemId,
     Uint32 logLevel,
     const String& messageId,
     const String& formatString,
     const Formatter::Arg& arg0,
     const Formatter::Arg& arg1)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, messageId, arg0, arg1);
    }
}

void Logger::put_l(
     LogFileType logFileType,
     const String& systemId,
     Uint32 logLevel,
     const String& messageId,
     const String& formatString,
     const Formatter::Arg& arg0,
     const Formatter::Arg& arg1,
     const Formatter::Arg& arg2)
{
    if (wouldLog(logLevel))
    {
        Logger::_putInternal(logFileType, systemId, 0, logLevel,
            formatString, messageId, arg0, arg1, arg2);
    }
}

void Logger::trace(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2,
    const Formatter::Arg& arg3,
    const Formatter::Arg& arg4,
    const Formatter::Arg& arg5,
    const Formatter::Arg& arg6,
    const Formatter::Arg& arg7,
    const Formatter::Arg& arg8,
    const Formatter::Arg& arg9)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, String::EMPTY, arg0, arg1, arg2, arg3, arg4, arg5,
            arg6, arg7, arg8, arg9);
    }
}

void Logger::trace(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& formatString)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, String::EMPTY);
    }
}

void Logger::trace(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& formatString,
    const Formatter::Arg& arg0)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, String::EMPTY, arg0);
    }
}

void Logger::trace(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, String::EMPTY, arg0, arg1);
    }
}

void Logger::trace(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, String::EMPTY, arg0, arg1, arg2);
    }
}

void Logger::trace_l(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& messageId,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2,
    const Formatter::Arg& arg3,
    const Formatter::Arg& arg4,
    const Formatter::Arg& arg5,
    const Formatter::Arg& arg6,
    const Formatter::Arg& arg7,
    const Formatter::Arg& arg8,
    const Formatter::Arg& arg9)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, messageId, arg0, arg1, arg2, arg3, arg4, arg5, arg6,
            arg7, arg8, arg9);
    }
}

void Logger::trace_l(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& messageId,
    const String& formatString)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, messageId);
    }
}

void Logger::trace_l(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& messageId,
    const String& formatString,
    const Formatter::Arg& arg0)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, messageId, arg0);
    }
}

void Logger::trace_l(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& messageId,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, messageId, arg0, arg1);
    }
}

void Logger::trace_l(
    LogFileType logFileType,
    const String& systemId,
    const Uint32 logComponent,
    const String& messageId,
    const String& formatString,
    const Formatter::Arg& arg0,
    const Formatter::Arg& arg1,
    const Formatter::Arg& arg2)
{
    if (wouldLog(Logger::TRACE))
    {
        Logger::_putInternal(logFileType, systemId, logComponent, Logger::TRACE,
            formatString, messageId, arg0, arg1, arg2);
    }
}

void Logger::setHomeDirectory(const String& homeDirectory)
{
    _homeDirectory = homeDirectory;
}

void Logger::setlogLevelMask( const String logLevelList )
{
    Uint32 logLevelType = 0;
    String logLevelName      = logLevelList;

    // Check if logLevel has been specified
    if (logLevelName != String::EMPTY)
    {
        // initialise _severityMask
        _severityMask = 0;

        // Set logLevelType to indicate the level of logging
        // required by the user.
        if (String::equalNoCase(logLevelName,"TRACE"))
        {
            logLevelType =  Logger::TRACE;
        }
        else if (String::equalNoCase(logLevelName,"INFORMATION"))
        {
            logLevelType =  Logger::INFORMATION;
        }
        else if (String::equalNoCase(logLevelName,"WARNING"))
        {
            logLevelType = Logger::WARNING;
        }
        else if (String::equalNoCase(logLevelName,"SEVERE"))
        {
            logLevelType = Logger::SEVERE;
        }
        else if (String::equalNoCase(logLevelName,"FATAL"))
        {
            logLevelType = Logger::FATAL;
        }
        // Setting _severityMask.  NOTE:  When adding new logLevels
        // it is essential that they are adding in ascending order
        // based on priority.  Once a case statement is true we will
        // continue to set all following log levels with a higher
        // priority.
        switch(logLevelType)
        {
            case Logger::TRACE:
                  _severityMask |= Logger::TRACE;
            case Logger::INFORMATION:
                  _severityMask |= Logger::INFORMATION;
            case Logger::WARNING:
                  _severityMask |= Logger::WARNING;
            case Logger::SEVERE:
                  _severityMask |= Logger::SEVERE;
            case Logger::FATAL:
                  _severityMask |= Logger::FATAL;
        }

        Executor::updateLogLevel(logLevelName.getCString());
    }
    else
    {
        // Property logLevel not specified, set default value.
        _severityMask = ~Logger::TRACE;
        Executor::updateLogLevel("INFORMATION");
    }
}

Boolean Logger::isValidlogLevel(const String logLevel)
{
    // Validate the logLevel and modify the logLevel argument
    // to reflect the invalid logLevel

    Uint32    index=0;
    String    logLevelName = String::EMPTY;
    Boolean   validlogLevel=false;

    logLevelName = logLevel;

    if (logLevelName != String::EMPTY)
    {
        // Lookup the index for logLevel name in _logLevel_LIST
        index = 0;
        validlogLevel = false;

        while (index < _NUM_LOGLEVEL)
        {
            if (String::equalNoCase(logLevelName, LOGLEVEL_LIST[index]))
            {
                // Found logLevel, break from the loop
                validlogLevel = true;
                break;
            }
            else
            {
                index++;
            }
        }
    }
    else
    {
        // logLevels is empty, it is a valid value so return true
        return _SUCCESS;
    }

    return validlogLevel;
}


void Logger::installLogCallback(Logger::LogCallback callback, void* data)
{
    _callback = callback;
    _data = data;
}

PEGASUS_NAMESPACE_END