Return to TraceHandler.h CVS log

Up to [Pegasus] / pegasus / src / Pegasus / Common

BUG#: 7836
TITLE: PEP#316 - In-Memory-Tracing

DESCRIPTION: Initial TraceMemoryHandler

//%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.
//
//==============================================================================
//
//%/////////////////////////////////////////////////////////////////////////////


#ifndef Pegasus_TraceHandler_h
#define Pegasus_TraceHandler_h

#include <cstdarg>
#include <cstdio>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/Linkage.h>

PEGASUS_NAMESPACE_BEGIN

/** TraceHandler is an abstract base class for all kinds of trace handlers.
 */

class PEGASUS_COMMON_LINKAGE TraceHandler
{
public:

    /** Writes message with format string to the tracing facility
        @param    message  message to be written
        @param    msgLen   lenght of message without terminating '\0'
        @param    fmt      printf style format string
        @param    argList  variable argument list
     */
    virtual void handleMessage(const char* message,
                               Uint32 msgLen,
                               const char* fmt,
                               va_list argList) = 0;

    /** Writes simple message to the tracing facility.
        @param    message  message to be written
        @param    msgLen   lenght of message without terminating '\0'
     */
    virtual void handleMessage(const char* message,
                               Uint32 msgLen) = 0;


    /** Sets and prepares the destination (e.g. traceFileName) for the
        trace handler.
        @param    destination tracer destination, e.g. file
        @return   0           if the function is successful
                  1           if an error occurs
     */
    virtual Uint32 setMessageDestination(const char* destination) {return 0;};

    /** Validates the File Path for the trace File
        @param    filePath full path of the file
        @return   1        if the file path is valid
                  0        if the file path is invalid
     */
    virtual Boolean isValidMessageDestination(const char* destination) 
        {return true;};
    
    /** Flushes the trace
     */
    virtual void flushTrace() {return;};
    
    TraceHandler() {};

    virtual ~TraceHandler() {};

    
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_TraceHandler_h */