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/*++
Copyright (C) 1996-1999 Microsoft Corporation
Module Name: log_bin.h
Abstract: <abstract> --*/
#ifndef _LOG_BIN_H_
#define _LOG_BIN_H_
// define record locations in the file
#define BINLOG_TYPE_ID_RECORD ((DWORD) 1)
#define BINLOG_HEADER_RECORD ((DWORD) 2)
#define BINLOG_FIRST_DATA_RECORD ((DWORD) 3)
// Record type definition
// low WORD of the type header field is "BL" to help re-sync records
// that may have been corrupted
#define BINLOG_START_WORD ((WORD) 0x4C42)
#define BINLOG_TYPE_HEADER ((DWORD) (0x00010000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_CATALOG ((DWORD) (0x00020000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_CATALOG_LIST ((DWORD) (0x01020000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_CATALOG_HEAD ((DWORD) (0x02020000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_CATALOG_ITEM ((DWORD) (0x03020000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_DATA ((DWORD) (0x00030000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_DATA_SINGLE ((DWORD) (0x01030000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_DATA_MULTI ((DWORD) (0x02030000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_DATA_PSEUDO ((DWORD) (0x03030000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_DATA_OBJECT ((DWORD) (0x04030000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_TYPE_DATA_LOC_OBJECT ((DWORD) (0x05030000 | (DWORD) (BINLOG_START_WORD)))
#define BINLOG_VERSION ((DWORD) (0x000005ff)) // debug value for now
//
// this is the field at the beginning of each record in the log file
// after the text log file type record
//
typedef struct _PDHI_BINARY_LOG_RECORD_HEADER { DWORD dwType; DWORD dwLength; } PDHI_BINARY_LOG_RECORD_HEADER, * PPDHI_BINARY_LOG_RECORD_HEADER;
//
// the first data record after the log file type record is
// an information record followed by the list of counters contained in this
// log file. the record length is the size of the info header record and
// all the counter info blocks in bytes.
// note that this record can occur later in the log file if the query
// is changed or the log file is appended.
//
typedef struct _PDHI_BINARY_LOG_INFO { LONGLONG FileLength; // file space allocated (optional)
DWORD dwLogVersion; // version stamp
DWORD dwFlags; // option flags
LONGLONG StartTime; LONGLONG EndTime; LONGLONG CatalogOffset; // offset in file to wild card catalog
LONGLONG CatalogChecksum; // checksum of catalog header
LONGLONG CatalogDate; // date/time catalog was updated
LONGLONG FirstRecordOffset; // pointer to first record [to read] in log
LONGLONG LastRecordOffset; // pointer to last record [to read] in log
LONGLONG NextRecordOffset; // pointer to where next one goes
LONGLONG WrapOffset; // pointer to last byte used in file
LONGLONG LastUpdateTime; // date/time last record was written
LONGLONG FirstDataRecordOffset; // location of first data record in file
// makes the info struct 256 bytes
// and leaves room for future information
DWORD dwReserved[38]; } PDHI_BINARY_LOG_INFO, * PPDHI_BINARY_LOG_INFO;
typedef struct _PDHI_BINARY_LOG_HEADER_RECORD { PDHI_BINARY_LOG_RECORD_HEADER RecHeader; PDHI_BINARY_LOG_INFO Info; } PDHI_BINARY_LOG_HEADER_RECORD, * PPDHI_BINARY_LOG_HEADER_RECORD;
typedef struct _PDHI_LOG_COUNTER_PATH { // this value is in bytes used by the entire structure & buffers
DWORD dwLength; // total structure Length (including strings)
DWORD dwFlags; // flags that describe the counter
DWORD dwUserData; // user data from PDH Counter
DWORD dwCounterType; // perflib counter type value
LONGLONG llTimeBase; // time base (freq) used by this counter
LONG lDefaultScale; // default display scaling factor
// the following values are in BYTES from the first byte in
// the Buffer array.
LONG lMachineNameOffset; // offset to start of machine name
LONG lObjectNameOffset; // offset to start of object name
LONG lInstanceOffset; // offset to start of instance name
LONG lParentOffset; // offset to start of parent instance name
DWORD dwIndex; // index value for duplicate instances
LONG lCounterOffset; // offset to start of counter name
WCHAR Buffer[1]; // start of string storage
} PDHI_LOG_COUNTER_PATH, * PPDHI_LOG_COUNTER_PATH;
typedef struct _PDHI_LOG_CAT_ENTRY { DWORD dwEntrySize; // size of this machine\object entry
DWORD dwStringSize; // size of MSZ containing instance strings
DWORD dwMachineObjNameOffset; // offset from the base of this struct to the machine name
DWORD dwInstanceStringOffset; // offset to the first object entry in the list
} PDHI_LOG_CAT_ENTRY, * PPDHI_LOG_CAT_ENTRY;
PDH_FUNCTION PdhiOpenInputBinaryLog( PPDHI_LOG pLog );
#if 0
PDH_FUNCTION PdhiOpenOutputBinaryLog( PPDHI_LOG pLog );
PDH_FUNCTION PdhiOpenUpdateBinaryLog( PPDHI_LOG pLog );
PDH_FUNCTION PdhiUpdateBinaryLogFileCatalog( PPDHI_LOG pLog );
PDH_FUNCTION PdhiWriteBinaryLogHeader( PPDHI_LOG pLog, LPCWSTR szUserCaption );
PDH_FUNCTION PdhiWriteBinaryLogRecord( PPDHI_LOG pLog, SYSTEMTIME * stTimeStamp, LPCWSTR szUserString ); #endif
PDH_FUNCTION PdhiCloseBinaryLog( PPDHI_LOG pLog, DWORD dwFlags );
PDH_FUNCTION PdhiGetBinaryLogCounterInfo( PPDHI_LOG pLog, PPDHI_COUNTER pCounter );
PDH_FUNCTION PdhiEnumMachinesFromBinaryLog( PPDHI_LOG pLog, LPVOID pBuffer, LPDWORD lpdwBufferSize, BOOL bUnicodeDest );
PDH_FUNCTION PdhiEnumObjectsFromBinaryLog( PPDHI_LOG pLog, LPCWSTR szMachineName, LPVOID mszObjectList, LPDWORD pcchBufferSize, DWORD dwDetailLevel, BOOL bUnicode );
PDH_FUNCTION PdhiEnumObjectItemsFromBinaryLog( PPDHI_LOG hDataSource, LPCWSTR szMachineName, LPCWSTR szObjectName, PDHI_COUNTER_TABLE CounterTable, DWORD dwDetailLevel, DWORD dwFlags );
PDH_FUNCTION PdhiGetMatchingBinaryLogRecord( PPDHI_LOG pLog, LONGLONG * pStartTime, LPDWORD pdwIndex );
PDH_FUNCTION PdhiGetCounterValueFromBinaryLog( PPDHI_LOG hLog, DWORD dwIndex, PPDHI_COUNTER pCounter );
PDH_FUNCTION PdhiGetTimeRangeFromBinaryLog( PPDHI_LOG hLog, LPDWORD pdwNumEntries, PPDH_TIME_INFO pInfo, LPDWORD dwBufferSize );
PDH_FUNCTION PdhiReadRawBinaryLogRecord( PPDHI_LOG pLog, FILETIME * ftRecord, PPDH_RAW_LOG_RECORD pBuffer, LPDWORD pdwBufferLength );
PDH_FUNCTION PdhiListHeaderFromBinaryLog( PPDHI_LOG pLogFile, LPVOID pBufferArg, LPDWORD pcchBufferSize, BOOL bUnicode );
PDH_FUNCTION PdhiGetCounterArrayFromBinaryLog( PPDHI_LOG pLog, DWORD dwIndex, PPDHI_COUNTER pCounter, PPDHI_RAW_COUNTER_ITEM_BLOCK * ppValue );
PPDHI_BINARY_LOG_RECORD_HEADER PdhiGetSubRecord( PPDHI_BINARY_LOG_RECORD_HEADER pRecord, DWORD dwRecordId );
#endif // _LOG_BIN_H_
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