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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#ifndef _TRACER_COMMON_H_
#define _TRACER_COMMON_H_
#include <stdarg.h> // va_list
#include <stdlib.h> // size_t
#include "SessionFile.h" // SessionFile
// Structures kept in memory
struct TracerTypeInfo
{
char type [8];
char friendlyName [32];
char paramDescr [32];
char paramDefVal [16];
char paramCurVal [256];
char paramTmpVal [256];
bool autoConnectSupport;
bool autoConnectCurState;
bool autoConnectTmpState;
};
class TracerBase
{
public:
TracerBase (void);
virtual ~TracerBase (void);
// Tracing subsystem lifecycle
virtual void Initialize (void) = 0;
virtual void Dispose (void) = 0;
// Tracer Type control
virtual void SetCurrentTracerTypeIndex (unsigned short tracerType, Bool paramChange = false) = 0;
virtual TracerTypeInfo* GetCurrentTracerTypeInfo (void);
virtual TracerTypeInfo* GetTracerTypeInfo (unsigned short index);
virtual unsigned short GetTracerTypeCount (void);
virtual unsigned short GetCurrentTracerTypeIndex (void);
// HostTrace* counterparts
virtual void InitOutputPort (void) = 0;
virtual void CloseOutputPort (void) = 0;
virtual void OutputVT (unsigned short errModule, const char* formatString, va_list args) = 0;
virtual void OutputVTL (unsigned short errModule, const char* formatString, va_list args) = 0;
virtual void OutputB (unsigned short errModule, const void* buffer, size_t bufferLen) = 0;
// User feedback
virtual bool IsLibraryLoaded (void) = 0;
virtual void GetLibraryVersionString (char* buffer, size_t bufferLen) = 0;
virtual unsigned long GetLibraryVersionNumber (void) { return 0; };
virtual long GetConnectionStatus (void) = 0;
virtual void LoadTracerTypeList (void);
virtual void DisposeTracerTypeList (void);
virtual void StopTracer (void) = 0;
virtual void SaveTracerPrefs (void);
virtual unsigned short LoadTracerPrefs (void);
virtual void GetTracerCapabilities (char* buffer, size_t* bufferLen) = 0;
virtual void GetCapsToken (char* src, char* tag, char* dst, size_t dstSize);
protected:
unsigned long tracerRefCounter; // Number of referenced subsystem users
unsigned short supportedTypesCount;
unsigned short runningTracerType;
unsigned short previousTracerType;
TracerTypeInfo* supportedTypesTable;
};
#endif // _TRACER_COMMON_H_
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