Windows2003-3790/inetsrv/iis/inc/pudebug.h
2020-09-30 16:53:55 +02:00

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/*++
Copyright (c) 1994-1998 Microsoft Corporation
Module Name :
pudebug.h
Abstract:
This module declares the DEBUG_PRINTS object helpful in
testing the programs
Author:
Murali R. Krishnan ( MuraliK ) 14-Dec-1994
Revision History:
MuraliK 13-Nov-1998 Ported over to IIS-DuctTape
--*/
#if !defined(BUILD_PUDEBUG)
//
// if we are not using this header for building the pudebug library
// then better this be used with dbgutil.h
//
# ifndef _DBGUTIL_H_
// error Please make sure you included dbgutil.h!
// error Do not include pudebug.h directly
#include <dbgutil.h>
# endif // _DBGUTIL_H_
#endif
# ifndef _PUDEBUG_H_
# define _PUDEBUG_H_
#ifndef _NO_TRACING_
# define _NO_TRACING_
#endif // _NO_TRACING_
/************************************************************
* Include Headers
************************************************************/
# ifdef __cplusplus
extern "C" {
# endif // __cplusplus
# include <windows.h>
# ifndef dllexp
# define dllexp __declspec( dllexport)
# endif // dllexp
/***********************************************************
* Macros
************************************************************/
enum PRINT_REASONS {
PrintNone = 0x0, // Nothing to be printed
PrintError = 0x1, // An error message
PrintWarning = 0x2, // A warning message
PrintLog = 0x3, // Just logging. Indicates a trace of where ...
PrintMsg = 0x4, // Echo input message
PrintCritical = 0x5, // Print and Exit
PrintAssertion= 0x6 // Printing for an assertion failure
};
enum DEBUG_OUTPUT_FLAGS {
DbgOutputNone = 0x0, // None
DbgOutputKdb = 0x1, // Output to Kernel Debugger
DbgOutputLogFile = 0x2, // Output to LogFile
DbgOutputTruncate = 0x4, // Truncate Log File if necessary
DbgOutputStderr = 0x8, // Send output to std error
DbgOutputBackup = 0x10, // Make backup of debug file ?
DbgOutputMemory = 0x20, // Dump to memory buffer
DbgOutputAll = 0xFFFFFFFF // All the bits set.
};
# define MAX_LABEL_LENGTH ( 100)
// The following flags are used internally to track what level of tracing we
// are currently using. Bitmapped for extensibility.
#define DEBUG_FLAG_ODS 0x00000001
#define DEBUG_FLAG_INFO 0x00000002
#define DEBUG_FLAG_WARN 0x00000004
#define DEBUG_FLAG_ERROR 0x00000008
// The following are used internally to determine whether to log or not based
// on what the current state is
#define DEBUG_FLAGS_INFO (DEBUG_FLAG_ODS | DEBUG_FLAG_INFO)
#define DEBUG_FLAGS_WARN (DEBUG_FLAG_ODS | DEBUG_FLAG_INFO | DEBUG_FLAG_WARN)
#define DEBUG_FLAGS_ERROR (DEBUG_FLAG_ODS | DEBUG_FLAG_INFO | DEBUG_FLAG_WARN | DEBUG_FLAG_ERROR)
#define DEBUG_FLAGS_ANY (DEBUG_FLAG_INFO | DEBUG_FLAG_WARN | DEBUG_FLAG_ERROR)
//
// user of DEBUG infrastructure may choose unique variable name for DEBUG_FLAGS
// that's specially useful for cases where DEBUG infrastructure is used within
// static library (static library may prefer to maintain it's own DebugFlags independent
// on the main program it links to
//
#ifndef DEBUG_FLAGS_VAR
#define DEBUG_FLAGS_VAR g_dwDebugFlags
#endif
extern
#ifdef __cplusplus
"C"
# endif // _cplusplus
DWORD DEBUG_FLAGS_VAR ; // Debugging Flags
# define DECLARE_DEBUG_VARIABLE()
# define SET_DEBUG_FLAGS( dwFlags) DEBUG_FLAGS_VAR = dwFlags
# define GET_DEBUG_FLAGS() ( DEBUG_FLAGS_VAR )
# define LOAD_DEBUG_FLAGS_FROM_REG(hkey, dwDefault) \
DEBUG_FLAGS_VAR = PuLoadDebugFlagsFromReg((hkey), (dwDefault))
# define LOAD_DEBUG_FLAGS_FROM_REG_STR(pszRegKey, dwDefault) \
DEBUG_FLAGS_VAR = PuLoadDebugFlagsFromRegStr((pszRegKey), (dwDefault))
# define SAVE_DEBUG_FLAGS_IN_REG(hkey, dwDbg) \
PuSaveDebugFlagsInReg((hkey), (dwDbg))
# define DEBUG_IF( arg, s) if ( DEBUG_ ## arg & GET_DEBUG_FLAGS()) { \
s \
} else {}
# define IF_DEBUG( arg) if ( DEBUG_## arg & GET_DEBUG_FLAGS())
/*++
class DEBUG_PRINTS
This class is responsible for printing messages to log file / kernel debugger
Currently the class supports only member functions for <ANSI> char.
( not unicode-strings).
--*/
typedef struct _DEBUG_PRINTS {
CHAR m_rgchLabel[MAX_LABEL_LENGTH];
CHAR m_rgchLogFilePath[MAX_PATH];
CHAR m_rgchLogFileName[MAX_PATH];
HANDLE m_LogFileHandle;
HANDLE m_StdErrHandle;
BOOL m_fInitialized;
BOOL m_fBreakOnAssert;
DWORD m_dwOutputFlags;
VOID *m_pMemoryLog;
} DEBUG_PRINTS, FAR * LPDEBUG_PRINTS;
LPDEBUG_PRINTS
PuCreateDebugPrintsObject(
IN const char * pszPrintLabel,
IN DWORD dwOutputFlags);
//
// frees the debug prints object and closes any file if necessary.
// Returns NULL on success or returns pDebugPrints on failure.
//
LPDEBUG_PRINTS
PuDeleteDebugPrintsObject(
IN OUT LPDEBUG_PRINTS pDebugPrints);
VOID
PuDbgPrint(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFilePath,
IN int nLineNum,
IN const char * pszFunctionName,
IN const char * pszFormat,
...);
// arglist
VOID
PuDbgPrintW(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFilePath,
IN int nLineNum,
IN const char * pszFunctionName,
IN const WCHAR * pszFormat,
...); // arglist
// PuDbgPrintError is similar to PuDbgPrint() but allows
// one to print error code in friendly manner
VOID
PuDbgPrintError(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFilePath,
IN int nLineNum,
IN const char * pszFunctionName,
IN DWORD dwError,
IN const char * pszFormat,
...); // arglist
/*++
PuDbgDump() does not do any formatting of output.
It just dumps the given message onto the debug destinations.
--*/
VOID
PuDbgDump(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFilePath,
IN int nLineNum,
IN const char * pszFunctionName,
IN const char * pszDump
);
//
// PuDbgAssertFailed() *must* be __cdecl to properly capture the
// thread context at the time of the failure.
//
INT
__cdecl
PuDbgAssertFailed(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFilePath,
IN int nLineNum,
IN const char * pszFunctionName,
IN const char * pszExpression,
IN const char * pszMessage);
VOID
PuDbgCaptureContext (
OUT PCONTEXT ContextRecord
);
VOID
PuDbgPrintCurrentTime(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFilePath,
IN int nLineNum,
IN const char * pszFunctionName
);
VOID
PuSetDbgOutputFlags(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN DWORD dwFlags);
DWORD
PuGetDbgOutputFlags(
IN const LPDEBUG_PRINTS pDebugPrints);
//
// Following functions return Win32 error codes.
// NO_ERROR if success
//
DWORD
PuOpenDbgPrintFile(
IN OUT LPDEBUG_PRINTS pDebugPrints,
IN const char * pszFileName,
IN const char * pszPathForFile);
DWORD
PuReOpenDbgPrintFile(
IN OUT LPDEBUG_PRINTS pDebugPrints);
DWORD
PuCloseDbgPrintFile(
IN OUT LPDEBUG_PRINTS pDebugPrints);
DWORD
PuOpenDbgMemoryLog(
IN OUT LPDEBUG_PRINTS pDebugPrints);
DWORD
PuCloseDbgMemoryLog(
IN OUT LPDEBUG_PRINTS pDebugPrints);
DWORD
PuLoadDebugFlagsFromReg(IN HKEY hkey, IN DWORD dwDefault);
DWORD
PuLoadDebugFlagsFromRegStr(IN LPCSTR pszRegKey, IN DWORD dwDefault);
DWORD
PuSaveDebugFlagsInReg(IN HKEY hkey, IN DWORD dwDbg);
# define PuPrintToKdb( pszOutput) \
if ( pszOutput != NULL) { \
OutputDebugString( pszOutput); \
} else {}
# ifdef __cplusplus
};
# endif // __cplusplus
// begin_user_unmodifiable
/***********************************************************
* Macros
************************************************************/
extern
#ifdef __cplusplus
"C"
# endif // _cplusplus
DEBUG_PRINTS * g_pDebug; // define a global debug variable
# if DBG
// For the CHK build we want ODS enabled. For an explanation of these flags see
// the comment just after the definition of DBG_CONTEXT
# define DECLARE_DEBUG_PRINTS_OBJECT() \
DEBUG_PRINTS * g_pDebug = NULL; \
DWORD DEBUG_FLAGS_VAR = DEBUG_FLAG_ERROR;
#else // !DBG
# define DECLARE_DEBUG_PRINTS_OBJECT() \
DEBUG_PRINTS * g_pDebug = NULL; \
DWORD DEBUG_FLAGS_VAR = 0;
#endif // !DBG
//
// Call the following macro as part of your initialization for program
// planning to use the debugging class.
//
# define CREATE_DEBUG_PRINT_OBJECT( pszLabel) \
g_pDebug = PuCreateDebugPrintsObject( pszLabel, DEFAULT_OUTPUT_FLAGS);\
if ( g_pDebug == NULL) { \
OutputDebugStringA( "Unable to Create Debug Print Object \n"); \
}
//
// Call the following macro once as part of the termination of program
// which uses the debugging class.
//
# define DELETE_DEBUG_PRINT_OBJECT( ) \
g_pDebug = PuDeleteDebugPrintsObject( g_pDebug);
# define VALID_DEBUG_PRINT_OBJECT() \
( ( g_pDebug != NULL) && g_pDebug->m_fInitialized)
//
// Use the DBG_CONTEXT without any surrounding braces.
// This is used to pass the values for global DebugPrintObject
// and File/Line information
//
# define DBG_CONTEXT g_pDebug, __FILE__, __LINE__, __FUNCTION__
// The 3 main tracing macros, each one corresponds to a different level of
// tracing
// The 3 main tracing macros, each one corresponds to a different level of
// tracing
# define DBGINFO(args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_INFO) { PuDbgPrint args; }}
# define DBGWARN(args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_WARN) { PuDbgPrint args; }}
# define DBGERROR(args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_ERROR) { PuDbgPrint args; }}
# define DBGINFOW(args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_INFO) { PuDbgPrintW args; }}
# define DBGWARNW(args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_WARN) { PuDbgPrintW args; }}
# define DBGERRORW(args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_ERROR) { PuDbgPrintW args; }}
//
// DBGPRINTF() is printing function ( much like printf) but always called
// with the DBG_CONTEXT as follows
// DBGPRINTF( ( DBG_CONTEXT, format-string, arguments for format list));
//
# define DBGPRINTF DBGINFO
//
// DPERROR() is printing function ( much like printf) but always called
// with the DBG_CONTEXT as follows
// DPERROR( ( DBG_CONTEXT, error, format-string,
// arguments for format list));
//
# define DPERROR( args) {if (DEBUG_FLAGS_VAR & DEBUG_FLAGS_ERROR) { PuDbgPrintError args; }}
# if DBG
# define DBG_CODE(s) s /* echoes code in debugging mode */
// The same 3 main tracing macros however in this case the macros are only compiled
// into the CHK build. This is necessary because some tracing info used functions or
// variables which are not compiled into the FRE build.
# define CHKINFO(args) { PuDbgPrint args; }
# define CHKWARN(args) { PuDbgPrint args; }
# define CHKERROR(args) { PuDbgPrint args; }
# define CHKINFOW(args) { PuDbgPrintW args; }
# define CHKWARNW(args) { PuDbgPrintW args; }
# define CHKERRORW(args) { PuDbgPrintW args; }
# define DBG_ASSERT( exp ) ((VOID) ( (exp) || PuDbgAssertFailed( DBG_CONTEXT, #exp, NULL)))
# define DBG_ASSERT_MSG( exp, pszMsg) \
if ( !(exp)) { \
PuDbgAssertFailed( DBG_CONTEXT, #exp, pszMsg); \
} else {}
# define DBG_REQUIRE( exp) DBG_ASSERT( exp)
# define DBG_LOG() PuDbgPrint( DBG_CONTEXT, "\n")
# define DBG_OPEN_LOG_FILE( pszFile, pszPath) \
PuOpenDbgPrintFile( g_pDebug, (pszFile), (pszPath))
# define DBG_CLOSE_LOG_FILE( ) \
PuCloseDbgPrintFile( g_pDebug)
# define DBG_OPEN_MEMORY_LOG() \
PuOpenDbgMemoryLog( g_pDebug )
# define DBGDUMP( args) PuDbgDump args
# define DBGPRINT_CURRENT_TIME() PuDbgPrintCurrentTime( DBG_CONTEXT)
# else // !DBG
# define DBG_CODE(s) ((void)0) /* Do Nothing */
# define CHKINFO(args) ((void)0) /* Do Nothing */
# define CHKWARN(args) ((void)0) /* Do Nothing */
# define CHKERROR(args) ((void)0) /* Do Nothing */
# define CHKINFOW(args) ((void)0) /* Do Nothing */
# define CHKWARNW(args) ((void)0) /* Do Nothing */
# define CHKERRORW(args) ((void)0) /* Do Nothing */
# define DBG_ASSERT(exp) ((void)0) /* Do Nothing */
# define DBG_ASSERT_MSG(exp, pszMsg) ((void)0) /* Do Nothing */
# define DBG_REQUIRE( exp) ( (void) (exp))
# define DBGDUMP( args) ((void)0) /* Do nothing */
# define DBG_LOG() ((void)0) /* Do Nothing */
# define DBG_OPEN_LOG_FILE( pszFile, pszPath) ((void)0) /* Do Nothing */
# define DBG_OPEN_MEMORY_LOG() ((void)0) /* Do Nothing */
# define DBG_CLOSE_LOG_FILE() ((void)0) /* Do Nothing */
# define DBGPRINT_CURRENT_TIME() ((void)0) /* Do Nothing */
# endif // !DBG
// end_user_unmodifiable
// begin_user_unmodifiable
#ifdef ASSERT
# undef ASSERT
#endif
# define ASSERT( exp) DBG_ASSERT( exp)
// end_user_unmodifiable
// begin_user_modifiable
//
// Debugging constants consist of two pieces.
// All constants in the range 0x0 to 0x8000 are reserved
// User extensions may include additional constants (bit flags)
//
# define DEBUG_API_ENTRY 0x00000001L
# define DEBUG_API_EXIT 0x00000002L
# define DEBUG_INIT_CLEAN 0x00000004L
# define DEBUG_ERROR 0x00000008L
// End of Reserved Range
# define DEBUG_RESERVED 0x00000FFFL
// end_user_modifiable
/***********************************************************
* Platform Type related variables and macros
************************************************************/
//
// Enum for product types
//
typedef enum _PLATFORM_TYPE {
PtInvalid = 0, // Invalid
PtNtWorkstation = 1, // NT Workstation
PtNtServer = 2, // NT Server
} PLATFORM_TYPE;
//
// IISGetPlatformType is the function used to the platform type
//
extern
#ifdef __cplusplus
"C"
# endif // _cplusplus
PLATFORM_TYPE
IISGetPlatformType(
VOID
);
//
// External Macros
//
#define InetIsNtServer( _pt ) ((_pt) == PtNtServer)
#define InetIsNtWksta( _pt ) ((_pt) == PtNtWorkstation)
#define InetIsValidPT(_pt) ((_pt) != PtInvalid)
extern
#ifdef __cplusplus
"C"
# endif // _cplusplus
PLATFORM_TYPE g_PlatformType;
// Use the DECLARE_PLATFORM_TYPE macro to declare the platform type
#define DECLARE_PLATFORM_TYPE() \
PLATFORM_TYPE g_PlatformType = PtInvalid;
// Use the INITIALIZE_PLATFORM_TYPE to init the platform type
// This should typically go inside the DLLInit or equivalent place.
#define INITIALIZE_PLATFORM_TYPE() \
g_PlatformType = IISGetPlatformType();
//
// Additional Macros to use the Platform Type
//
#define TsIsNtServer( ) InetIsNtServer(g_PlatformType)
#define TsIsNtWksta( ) InetIsNtWksta(g_PlatformType)
#define IISIsValidPlatform() InetIsValidPT(g_PlatformType)
#define IISPlatformType() (g_PlatformType)
/***********************************************************
* Some utility functions for Critical Sections
************************************************************/
//
// IISSetCriticalSectionSpinCount() provides a thunk for the
// original NT4.0sp3 API SetCriticalSectionSpinCount() for CS with Spin counts
// Users of this function should definitely dynlink with kernel32.dll,
// Otherwise errors will surface to a large extent
//
extern
# ifdef __cplusplus
"C"
# endif // _cplusplus
DWORD
IISSetCriticalSectionSpinCount(
LPCRITICAL_SECTION lpCriticalSection,
DWORD dwSpinCount
);
//
// Macro for the calls to SetCriticalSectionSpinCount()
//
# define SET_CRITICAL_SECTION_SPIN_COUNT( lpCS, dwSpins) \
IISSetCriticalSectionSpinCount( (lpCS), (dwSpins))
//
// IIS_DEFAULT_CS_SPIN_COUNT is the default value of spins used by
// Critical sections defined within IIS.
// NYI: We should have to switch the individual values based on experiments!
// Current value is an arbitrary choice
//
# define IIS_DEFAULT_CS_SPIN_COUNT (1000)
//
// Initializes a critical section and sets its spin count
// to IIS_DEFAULT_CS_SPIN_COUNT. Equivalent to
// InitializeCriticalSectionAndSpinCount(lpCS, IIS_DEFAULT_CS_SPIN_COUNT),
// but provides a safe thunking layer for older systems that don't provide
// this API.
//
extern
# ifdef __cplusplus
"C"
# endif // _cplusplus
BOOL
IISInitializeCriticalSection(
LPCRITICAL_SECTION lpCriticalSection
);
//
// Macro for the calls to InitializeCriticalSection()
//
# define INITIALIZE_CRITICAL_SECTION(lpCS) IISInitializeCriticalSection(lpCS)
# endif /* _DEBUG_HXX_ */
//
// The following macros allow the automatic naming of certain Win32 objects.
// See IIS\SVCS\IISRTL\WIN32OBJ.C for details on the naming convention.
//
// Set IIS_NAMED_WIN32_OBJECTS to a non-zero value to enable named events,
// semaphores, and mutexes.
//
#if DBG
#define IIS_NAMED_WIN32_OBJECTS 1
#else
#define IIS_NAMED_WIN32_OBJECTS 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
HANDLE
PuDbgCreateEvent(
IN LPSTR FileName,
IN ULONG LineNumber,
IN LPSTR MemberName,
IN PVOID Address,
IN BOOL ManualReset,
IN BOOL InitialState
);
HANDLE
PuDbgCreateSemaphore(
IN LPSTR FileName,
IN ULONG LineNumber,
IN LPSTR MemberName,
IN PVOID Address,
IN LONG InitialCount,
IN LONG MaximumCount
);
HANDLE
PuDbgCreateMutex(
IN LPSTR FileName,
IN ULONG LineNumber,
IN LPSTR MemberName,
IN PVOID Address,
IN BOOL InitialOwner
);
#ifdef __cplusplus
} // extern "C"
#endif
#if IIS_NAMED_WIN32_OBJECTS
#define IIS_CREATE_EVENT( membername, address, manual, state ) \
PuDbgCreateEvent( \
(LPSTR)__FILE__, \
(ULONG)__LINE__, \
(membername), \
(PVOID)(address), \
(manual), \
(state) \
)
#define IIS_CREATE_SEMAPHORE( membername, address, initial, maximum ) \
PuDbgCreateSemaphore( \
(LPSTR)__FILE__, \
(ULONG)__LINE__, \
(membername), \
(PVOID)(address), \
(initial), \
(maximum) \
)
#define IIS_CREATE_MUTEX( membername, address, initial ) \
PuDbgCreateMutex( \
(LPSTR)__FILE__, \
(ULONG)__LINE__, \
(membername), \
(PVOID)(address), \
(initial) \
)
#else // !IIS_NAMED_WIN32_OBJECTS
#define IIS_CREATE_EVENT( membername, address, manual, state ) \
CreateEventA( \
NULL, \
(manual), \
(state), \
NULL \
)
#define IIS_CREATE_SEMAPHORE( membername, address, initial, maximum ) \
CreateSemaphoreA( \
NULL, \
(initial), \
(maximum), \
NULL \
)
#define IIS_CREATE_MUTEX( membername, address, initial ) \
CreateMutexA( \
NULL, \
(initial), \
NULL \
)
#endif // IIS_NAMED_WIN32_OBJECTS
/************************ End of File ***********************/