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version 1.17, 2005/01/19 23:48:05

version 1.47, 2008/12/02 09:00:53

Line 1

//%2004////////////////////////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// Licensed to The Open Group (TOG) under one or more contributor license

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with

// this work for additional information regarding copyright ownership.

// IBM Corp.; EMC Corporation, The Open Group.

// Each contributor licenses this file to you under the OpenPegasus Open

// Source License; you may not use this file except in compliance with the

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// License.

// 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.

//==============================================================================

// 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.

// Author: Sushma Fernandes, Hewlett-Packard Company (sushma_fernandes@hp.com)

// 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.

// Modified By: Jenny Yu, Hewlett-Packard Company (jenny_yu@hp.com)

//////////////////////////////////////////////////////////////////////////

// Amit K Arora, IBM (amita@in.ibm.com) for PEP#101

// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_Tracer_h

#define Pegasus_Tracer_h

#include <stdarg.h>

#include <cstdarg>

#include <fstream>

#include <Pegasus/Common/String.h>

#include <Pegasus/Common/System.h>

#include <Pegasus/Common/Logger.h>

#include <Pegasus/Common/InternalException.h>

#include <Pegasus/Common/TraceComponents.h>

#include <Pegasus/Common/TraceHandler.h>

#include <Pegasus/Common/TraceFileHandler.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/AutoPtr.h>

#include <Pegasus/Common/SharedPtr.h>

PEGASUS_NAMESPACE_BEGIN

/** Tracer implements tracing of messages to a defined file

/**

Trace component identifiers. This list must be kept in sync with the

TRACE_COMPONENT_LIST in Tracer.cpp.

The tracer uses the _traceComponentMask 64bit field to mask

the user configured components.

Please ensure that no more than 64 Trace Component ID's are specified.

enum TraceComponentId

{

TRC_XML,

TRC_XML_IO,

TRC_HTTP,

TRC_REPOSITORY,

TRC_DISPATCHER,

TRC_OS_ABSTRACTION,

TRC_CONFIG,

TRC_IND_HANDLER,

TRC_AUTHENTICATION,

TRC_AUTHORIZATION,

TRC_USER_MANAGER,

TRC_SHUTDOWN,

TRC_SERVER,

TRC_INDICATION_SERVICE,

TRC_MESSAGEQUEUESERVICE,

TRC_PROVIDERMANAGER,

TRC_OBJECTRESOLUTION,

TRC_WQL,

TRC_CQL,

TRC_THREAD,

TRC_EXP_REQUEST_DISP,

TRC_SSL,

TRC_CONTROLPROVIDER,

TRC_CIMOM_HANDLE,

TRC_L10N,

TRC_EXPORT_CLIENT,

TRC_LISTENER,

TRC_DISCARDED_DATA,

TRC_PROVIDERAGENT,

TRC_IND_FORMATTER,

TRC_STATISTICAL_DATA,

TRC_CMPIPROVIDER,

TRC_INDICATION_GENERATION,

TRC_INDICATION_RECEIPT,

TRC_CMPIPROVIDERINTERFACE,

TRC_WSMSERVER,

TRC_LOGMSG

};

/** Token used for tracing functions.

struct TracerToken

{

TraceComponentId component;

const char* method;

};

/** Tracer implements tracing of messages to a defined file

class PEGASUS_COMMON_LINKAGE Tracer

{

public:

/** Trace facilities

File - tracing occurs to the trace file

Log - tracing occurs through the Pegasus Logger class

Keep the TRACE_FACILITY_LIST in sync with the TRACE_FACILITY_INDEX,

so that the index matches the according string in the list.

static char const* TRACE_FACILITY_LIST[];

enum TRACE_FACILITY_INDEX

{

TRACE_FACILITY_FILE = 0,

TRACE_FACILITY_LOG = 1,

TRACE_FACILITY_MEMORY = 2

};

/** Levels of trace

Trace messages are written to the trace file only if they are at or

above a given trace level

LEVEL1 - Function Entry/Exit

LEVEL1 - Severe and log messages

LEVEL2 - Basic flow trace messages, low data detail

LEVEL3 - Inter-function logic flow, medium data detail

LEVEL4 - High data detail

Line 69

Line 135

static const Uint32 LEVEL3;

static const Uint32 LEVEL4;

// PEGASUS_REMOVE_TRACE defines the compile time inclusion of the Trace

/** Traces the given character string.

// interfaces. If defined the interfaces map to empty functions

Overloaded to include the filename

and line number of trace origin.

#ifdef PEGASUS_REMOVE_TRACE

inline static void traceBuffer(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* data,

const Uint32 size)

{

// empty function

}

inline static void traceBuffer(

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* data,

const Uint32 size)

{

// empty function

}

inline static void trace(

const Uint32 traceComponent,

const Uint32 traceLevel,

const char *fmt,

...)

{

// empty function

}

inline static void trace(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* fmt,

...)

{

// empty function

}

inline static void trace(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const String& traceString)

{

// empty function

}

inline static void traceCIMException(

const Uint32 traceComponent,

const Uint32 traceLevel,

CIMException cimException)

{

// empty function

}

static Uint32 setTraceFile(const char* traceFile)

{

// empty function

return 0;

}

static Uint32 setTraceLevel(const Uint32 traceLevel)

{

// empty function

return 0;

}

static void setTraceComponents(

const String& traceComponents)

{

// empty function

}

#else

/** Traces the specified number of bytes in a given buffer

@param traceComponent component being traced

@param traceLevel trace level of the trace message

@param data buffer to be traced

@param size number of bytes to be traced

inline static void traceBuffer(

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* data,

const Uint32 size)

{

_traceBuffer( traceComponent, traceLevel, data, size );

}

/** Traces the specified number of bytes in a given buffer

Overloaded to include the filename and the line number

of trace origin.

@param fileName filename of the trace originator

@param lineNum line number of the trace originator

@param traceComponent component being traced

@param traceLevel trace level of the trace message

@param cstring the character string to be traced

@param data buffer to be traced

@param size size of the buffer

inline static void traceBuffer(

static void traceCString(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const TraceComponentId traceComponent,

const Uint32 traceLevel,

const char* cstring);

const char* data,

const Uint32 size)

{

_traceBuffer( fileName, lineNum,

traceComponent, traceLevel, data, size );

}

/** Traces the message in the given CIMException object. The message

/** Traces the given message

written to the trace file will include the source filename and

line number of the CIMException originator.

@param traceComponent component being traced

@param traceLevel trace level of the trace message

@param level trace level of the trace message

@param *fmt printf style format string

@param cimException the CIMException to be traced.

@param ... variable argument list

static void traceCIMException(

inline static void trace(

const TraceComponentId traceComponent,

const Uint32 traceComponent,

const Uint32 level,

const Uint32 traceLevel,

const CIMException& cimException);

const char *fmt,

...)

{

va_list argList;

va_start(argList,fmt);

/** Gets an HTTP request message.

_trace(traceComponent,traceLevel,fmt,argList);

va_end(argList);

}

/** Traces the given message. Overloaded to include the filename and

Given an HTTP request message, this method checks if the

the line number of trace origin.

message contains a "Basic" authorization header.

@param fileName filename of the trace originator

@param lineNum line number of the trace originator

@param traceComponent component being traced

@param traceLevel trace level of the trace message

@param *fmt printf style format string

@param ... variable argument list

inline static void trace(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* fmt,

...)

{

va_list argList;

va_start(argList,fmt);

If true, the username/passwd is suppressed and returned.

_trace(fileName,lineNum,traceComponent,traceLevel,fmt,argList);

Otherwise the request message is returned without any changes.

va_end(argList);

}

/** Traces the given string. Overloaded to include the filename

@param requestMessage requestMessage to be checked

and line number of trace origin.

@param fileName filename of the trace originator

@return request message

@param lineNum line number of the trace originator

@param traceComponent component being traced

@param traceLevel trace level of the trace message

@param traceString the string to be traced

inline static void trace(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const String& traceString)

{

_traceString( fileName, lineNum, traceComponent, traceLevel,

traceString );

}

/** Traces the message in the given CIMException object. The message

written to the trace file will include the source filename and

line number of the CIMException originator.

@param traceComponent component being traced

@param traceLevel trace level of the trace message

@param CIMException the CIMException to be traced.

inline static void traceCIMException(

static SharedArrayPtr<char> getHTTPRequestMessage(

const Uint32 traceComponent,

const Buffer& requestMessage);

const Uint32 traceLevel,

CIMException cimException)

{

_traceCIMException( traceComponent, traceLevel, cimException );

}

/** Set the trace file to the given file

@param traceFile full path of the trace file

Line 276

Line 187

static Uint32 setTraceFile(const char* traceFile);

/** Set the trace level to the given level

@param traceLevel trace level to be set

@param level trace level to be set

@return 0 if trace level is valid

1 if trace level is invalid

static Uint32 setTraceLevel(const Uint32 traceLevel);

static Uint32 setTraceLevel(const Uint32 level);

/** Set components to be traced

@param traceComponents list of components to be traced,

Line 289

Line 200

static void setTraceComponents(

const String& traceComponents);

#endif

/** Set trace facility to be used

@param traceFacility facility to be used for tracing,

for example Log or File.

@return 0 if trace facility is valid

1 if trace facility is invalid

static Uint32 setTraceFacility(const String& traceFacility);

// End of PEGASUS_REMOVE_TRACE

/** Get trace facility currently in use

@return TRACE_FACILITY_FILE - if trace facility is file

TRACE_FACILITY_LOG - if trace facility is the log

TRACE_FACILITY_MEMORY - if trace facility is memory tracing

static Uint32 getTraceFacility();

/** Set buffer size to be used for the memory tracing facility

@param bufferSize buffer size in Kbyte to be used for memory tracing

@return true if function was successfully.

static Boolean setTraceMemoryBufferSize(Uint32 bufferSize);

/** Flushes the trace buffer to traceFilePath. This method will only

have an effect when traceFacility=Memory.

static void flushTrace();

/** Traces method entry.

@param token TracerToken

@param fileName filename of the trace originator

@param lineNum line number of the trace originator

@param traceComponent component being traced

@param methodName method being traced

inline static void traceEnter(

static void traceEnter(

const char* fileName,

TracerToken& token,

const Uint32 lineNum,

const char* file,

const Uint32 traceComponent,

size_t line,

const char* methodName)

TraceComponentId traceComponent,

{

const char* method);

_traceEnter( fileName, lineNum, traceComponent, "%s %s",

_METHOD_ENTER_MSG, methodName);

}

/** Traces method exit.

@param token TracerToken containing component and method

@param fileName filename of the trace originator

@param lineNum line number of the trace originator

@param traceComponent component being traced

@param methodName method being traced

inline static void traceExit(

static void traceExit(

const char* fileName,

TracerToken& token,

const Uint32 lineNum,

const char* file,

const Uint32 traceComponent,

size_t line);

const char* methodName)

{

_traceExit( fileName, lineNum, traceComponent, "%s %s",

_METHOD_EXIT_MSG, methodName);

}

/** Validates the File Path for the trace File

@param filePath full path of the file

Line 349

Line 274

const String& traceComponents,

String& invalidComponents);

/** Specify the name of the module being traced. If non-empty, this

/** Validates the trace facility string value

@param traceFacility The trace facility as string

@return 1 if the trace facility is valid

0 if the trace facility is invalid

static Boolean isValidTraceFacility( const String& traceFacility );

/** Signals the trace to be running OOP and provides the file name

extension of the trace file. If non-empty, this

value is used as an extension to the name of the trace file.

@param moduleName Name of the module being traced.

@param oopTraceFileExtension Trace file extension.

static void setOOPTraceFileExtension(const String& oopTraceFileExtension);

/**

static void setModuleName(const String& moduleName);

static Boolean isTraceOn() { return _traceOn; }

// Checks if trace is enabled for the given component and trace level

// @param traceComponent component being traced

// @param level level of the trace message

// @return 0 if the component and level are not enabled

// 1 if the component and level are enabled

static Boolean isTraceEnabled(

const TraceComponentId traceComponent,

const Uint32 traceLevel)

{

return ((traceLevel & _traceLevelMask) &&

(_traceComponentMask & ((Uint64)1 << traceComponent)));

}

private:

/** A static single indicator if tracing is turned on allowing to

determine the state of trace quickly without many instructions.

Used to wrap the public static trace interface methods to avoid

obsolete calls when tracing is turned off.

static Boolean _traceOn;

/** Internal only Levels of trace

These cannot be used in any of the trace calls directly, but are set

by methods of the Tracer class for specific purposes, such as trace

Enter and traceExit.

LEVEL0 - Trace is switched off

LEVEL5 - used for method enter & exit

static const Uint32 LEVEL0;

static const Uint32 LEVEL5;

static const char _COMPONENT_SEPARATOR;

static const Uint32 _NUM_COMPONENTS;

static const Uint32 _STRLEN_MAX_UNSIGNED_INT;

static const Uint32 _STRLEN_MAX_PID_TID;

static const Boolean _SUCCESS;

static Uint64 _traceComponentMask;

static const Boolean _FAILURE;

static Uint32 _traceLevelMask;

AutoArrayPtr<Boolean> _traceComponentMask;

Uint32 _traceLevelMask;

AutoPtr<TraceFileHandler> _traceHandler;

String _moduleName;

static Tracer* _tracerInstance;

Uint32 _traceMemoryBufferSize;

Uint32 _traceFacility;

Boolean _runningOOP;

TraceHandler* _traceHandler;

String _traceFile;

String _oopTraceFileExtension;

// Message Strings for function Entry and Exit

static const char _METHOD_ENTER_MSG[];

static const char _METHOD_EXIT_MSG[];

// Message Strings for Logger

// Factory function to create an instance of the matching trace handler

static const char _LOG_MSG[];

// for the given type of traceFacility.

// @param traceFacility type of trace handler to create

// Checks if trace is enabled for the given component and trace level

void _setTraceHandler( Uint32 traceFacility );

// @param traceComponent component being traced

// @param traceLevel level of the trace message

// Validates if the given file path if it is eligible for writing traces.

// @return 0 if the component and level are not enabled

// @param fileName a file intended to be used to write traces

// 1 if the component and level are enabled

static Boolean _isValidTraceFile(String fileName);

static Boolean _isTraceEnabled(

const Uint32 traceComponent,

const Uint32 traceLevel);

// Traces the given message

// @param traceComponent component being traced

// @param traceLevel level of the trace message

// @param *fmt printf style format string

// @param argList variable argument list

static void _trace(

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* fmt,

va_list argList);

// Traces the given message. Overloaded to include the file name and the

// line number as one of the parameters.

// @param traceComponent component being traced

// @param traceLevel level of the trace message

// @param message message header (file name:line number)

// @param *fmt printf style format string

// @param argList variable argument list

static void _trace(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const TraceComponentId traceComponent,

const Uint32 traceLevel,

const char* fmt,

va_list argList);

// Traces the specified number of bytes in a given buffer

// @param traceComponent component being traced

// @param traceLevel trace level of the trace message

// @param data buffer to be traced

// @param size number of bytes to be traced

static void _traceBuffer(

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* data,

const Uint32 size);

// Traces the specified number of bytes in a given buffer

// Overloaded to include the filename and the line number

// of trace origin.

// @param fileName filename of the trace originator

// @param lineNum line number of the trace originator

// @param traceComponent component being traced

// @param traceLevel trace level of the trace message

// @param data buffer to be traced

// @param size size of the buffer

static void _traceBuffer(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const char* data,

const Uint32 size);

// Traces the given string.

// @param traceComponent component being traced

// @param traceLevel trace level of the trace message

// @param traceString the string to be traced

static void _traceString(

const Uint32 traceComponent,

const Uint32 traceLevel,

const String& traceString);

// Traces a given string. Overloaded to include the filename

// and line number of trace origin.

// @param fileName filename of the trace originator

// @param lineNum line number of the trace originator

// @param traceComponent component being traced

// @param traceLevel trace level of the trace message

// @param traceString the string to be traced

static void _traceString(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const Uint32 traceLevel,

const String& traceString);

// Traces the message in the given CIMException object. The message

// to be written to the trace file will include the source filename and

// line number of the CIMException originator.

// @param traceComponent component being traced

// @param traceLevel trace level of the trace message

// @param CIMException the CIMException to be traced.

static void _traceCIMException(

const Uint32 traceComponent,

const TraceComponentId traceComponent,

const Uint32 traceLevel,

const CIMException& cimException);

CIMException cimException);

// Called by all the trace interfaces to log message to the

// Called by all the trace interfaces to log message

// trace file

// consisting of a single character string to the trace file

// @param fileName filename of the trace originator

// @param traceComponent component being traced

// @param lineNum line number of the trace originator

// @param cstring the string to be traced

static void _traceCString(

const TraceComponentId traceComponent,

const char* message,

const char* cstring);

// Called by all the trace interfaces to log message

// with variable number of arguments to the trace file

// @param traceComponent component being traced

// @param *fmt printf style format string

// @param argList variable argument list

static void _trace(

const Uint32 traceComponent,

const TraceComponentId traceComponent,

const char* message,

const char* fmt,

va_list argList);

// Traces method enter

// Traces method enter/exit

// @param fileName filename of the trace originator

// @param lineNum line number of the trace originator

// @param traceComponent component being traced

// @param *fmt printf style format string

// @param method name of the method

// @param ... variable argument list

static void _traceMethod(

static void _traceEnter(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const char* fmt,

...);

// Traces method exit

// @param fileName filename of the trace originator

// @param traceComponent component being traced

// @param *fmt printf style format string

// @param ... variable argument list

static void _traceExit(

const char* fileName,

const Uint32 lineNum,

const Uint32 traceComponent,

const TraceComponentId traceComponent,

const char* fmt,

const char* methodEntryExit,

...);

const char* method);

// Tracer constructor

// Constructor is private to prevent construction of Tracer objects

Line 525

Line 418

// Returns the Singleton instance of the Tracer

// @return Tracer* Instance of Tracer

static Tracer* _getInstance();

friend class TraceCallFrame;

friend class TracePropertyOwner;

friend class TraceMemoryHandler;

friend class TraceFileHandler;

};

// Define the macros for method entry/exit, and tracing a given string

//==============================================================================

// PEGASUS_REMOVE_TRACE defines the compile time inclusion of the Trace

// interfaces. If defined the interfaces map to empty functions.

//==============================================================================

#ifdef PEGASUS_REMOVE_TRACE

#define PEG_METHOD_ENTER(traceComponent,methodName)

inline void Tracer::traceCString(

const char* fileName,

const Uint32 lineNum,

const TraceComponentId traceComponent,

const char* cstring)

{

// empty function

}

inline void Tracer::traceCIMException(

const TraceComponentId traceComponent,

const Uint32 level,

const CIMException& cimException)

{

// empty function

}

static SharedArrayPtr<char> getHTTPRequestMessage(

const Buffer& requestMessage)

{

//empty function

return SharedArrayPtr<char>();

}

inline Uint32 Tracer::setTraceFile(const char* traceFile)

{

// empty function

return 0;

}

inline Uint32 Tracer::setTraceLevel(const Uint32 level)

{

// empty function

return 0;

}

inline void Tracer::setTraceComponents(const String& traceComponents)

{

// empty function

}

inline Uint32 Tracer::setTraceFacility(const String& traceFacility)

{

// empty function

return 0;

}

inline Uint32 Tracer::getTraceFacility()

{

// empty function

return 0;

}

inline Boolean Tracer::setTraceMemoryBufferSize(Uint32 bufferSize)

{

// empty function

return true;

}

inline void Tracer::flushTrace()

{

// empty function

return;

}

#endif /* PEGASUS_REMOVE_TRACE */

//==============================================================================

// Tracing macros

//==============================================================================

// Defines a variable that bypasses inclusion of line and filename in output.

// #define PEGASUS_NO_FILE_LINE_TRACE=1 to exclude file names and line numbers

#ifdef PEGASUS_NO_FILE_LINE_TRACE

# define PEGASUS_COMMA_FILE_LINE /* empty */

# define PEGASUS_FILE_LINE_COMMA /* empty */

#else

# define PEGASUS_COMMA_FILE_LINE ,__FILE__,__LINE__

# define PEGASUS_FILE_LINE_COMMA __FILE__,__LINE__,

#endif

#ifdef PEGASUS_REMOVE_TRACE

# define PEG_METHOD_ENTER(comp,meth)

# define PEG_METHOD_EXIT()

# define PEG_TRACE(VAR_ARGS)

# define PEG_TRACE_CSTRING(comp,level,chars)

#else /* PEGASUS_REMOVE_TRACE */

// remover trace code for method enter/exit

# ifdef PEGASUS_REMOVE_METHODTRACE

# define PEG_METHOD_ENTER(comp,meth)

#define PEG_METHOD_EXIT()

#define PEG_TRACE_STRING(traceComponent,traceLevel,traceString)

#else

/** Macro for tracing method entry

# define PEG_METHOD_ENTER(comp, meth) \

@param traceComponent component being traced

TracerToken __tracerToken; \

@param methodName name of the method

__tracerToken.method = 0; \

do \

#define PEG_METHOD_ENTER(traceComponent,methodName) \

{ \

const char *PEG_METHOD_NAME = methodName; \

if (Tracer::isTraceOn()) \

const Uint32 PEG_TRACE_COMPONENT = traceComponent; \

Tracer::traceEnter( \

Tracer::traceEnter(__FILE__,__LINE__,PEG_TRACE_COMPONENT,PEG_METHOD_NAME)

__tracerToken PEGASUS_COMMA_FILE_LINE, comp, meth); \

} \

while (0)

/** Macro for tracing method exit

#define PEG_METHOD_EXIT() \

Tracer::traceExit(__FILE__,__LINE__,PEG_TRACE_COMPONENT,PEG_METHOD_NAME)

do \

{ \

if (Tracer::isTraceOn()) \

Tracer::traceExit(__tracerToken PEGASUS_COMMA_FILE_LINE); \

} \

while (0)

# endif

/** Macro for tracing a string

// Macro to trace character lists. the do construct allows this to appear

@param traceComponent component being traced

// as a single statement.

@param traceLevel trace level of the trace message

# define PEG_TRACE_CSTRING(comp, level, chars) \

@param traceString the string to be traced

do \

{ \

#define PEG_TRACE_STRING(traceComponent,traceLevel,traceString) \

if (Tracer::isTraceOn()) \

Tracer::trace(__FILE__, __LINE__,traceComponent,traceLevel,traceString)

{ \

if (Tracer::isTraceEnabled(comp, level)) \

{ \

Tracer::traceCString(PEGASUS_FILE_LINE_COMMA comp, chars); \

} \

while (0)

#endif

// This class is constructed with the same arguments passed to PEG_TRACE().

// The constructor saves all the fixed arguments and calls va_start() on

// the varying arguments (wherein the va_list argument is the ap member of

// this class). The PEG_TRACE() macro eventually calls invoke() with the

// file and line macros in order to write the trace entry. For more details,

// see the comments below on the PEG_TRACE() macro.

class TraceCallFrame

{

public:

const char* file;

Uint32 line;

TraceCallFrame(const char* file_, Uint32 line_) : file(file_), line(line_)

{

}

PEGASUS_FORMAT(4, 5)

inline void invoke(

const TraceComponentId component,

const Uint32 level,

const char* format,

...)

{

if (Tracer::isTraceEnabled(component, level))

{

va_list ap;

va_start(ap, format);

Tracer::_trace(file, line, component, format, ap);

va_end(ap);

}

~TraceCallFrame()

{

}

};

// This macro is a wrapper for calling the printf-style form of the

// Tracer::trace() function. Since macros cannot have a varying number of

// arguments, PEG_TRACE() must be invoked with double parentheses. For

// example:

// PEG_TRACE((TRC_HTTP, Tracer::LEVEL1, "Oops: %d", 999));

// This macro offers two advantages over the calling trace() directly.

// 1. It eliminates the call to trace() if isTraceOn() returns false.

// This has proven to reduce the expense of servicing a request

// (when tracing is off) by as much as 3%.

// 2. It implicitly injects the __FILE__ and __LINE__ macros, relieving

// the caller of this burden.

# define PEG_TRACE(VAR_ARGS) \

do \

{ \

if (Tracer::isTraceOn()) \

{ \

TraceCallFrame frame(__FILE__, __LINE__); \

frame.invoke VAR_ARGS; \

} \

while (0)

#endif /* !PEGASUS_REMOVE_TRACE */

PEGASUS_NAMESPACE_END

Legend:

Removed from v.1.17
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	Added in v.1.47

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