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windows-nt/Source/XPSP1/NT/base/fs/hsm/engine/task/segrec.cpp

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/*++
<EFBFBD> 1998 Seagate Software, Inc. All rights reserved.
Module Name:
SegmentRecord.cpp
Abstract:
This component is an object representation of the HSM Metadata segment record. It
is both a persistable and collectable.
Author:
Cat Brant [cbrant] 12-Nov-1996
Revision History:
--*/
#include "stdafx.h"
#include "metaint.h"
#include "metalib.h"
#include "SegRec.h"
#undef WSB_TRACE_IS
#define WSB_TRACE_IS WSB_TRACE_BIT_META
#define SEG_KEY_TYPE 1
static USHORT iCountSegrec = 0;
HRESULT
CSegRec::GetSegmentRecord(
OUT GUID *pBagId,
OUT LONGLONG *pSegStartLoc,
OUT LONGLONG *pSegLen,
OUT USHORT *pSegFlags,
OUT GUID *pPrimPos,
OUT LONGLONG *pSecPos
)
/*++
Routine Description:
See ISegRec::GetSegmentRecord
Arguments:
See ISegRec::GetSegmentRecord
Return Value:
See ISegRec::GetSegmentRecord
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::GetSegmentRecord"),OLESTR(""));
try {
//Make sure we can provide data memebers
WsbAssert(0 != pBagId, E_POINTER);
WsbAssert(0 != pSegStartLoc, E_POINTER);
WsbAssert(0 != pSegLen, E_POINTER);
WsbAssert(0 != pSegFlags, E_POINTER);
WsbAssert(0 != pPrimPos, E_POINTER);
WsbAssert(0 != pSecPos, E_POINTER);
//Provide the data members
*pBagId = m_BagId;
*pSegStartLoc = m_SegStartLoc;
*pSegLen = m_SegLen;
*pSegFlags = m_SegFlags;
*pPrimPos = m_PrimPos;
*pSecPos = m_SecPos;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSegRec::GetSegmentRecord"),
OLESTR("hr = <%ls>, BagId = <%ls>, SegStartLoc = <%ls>, SegLen = <%ls>, SegFlags = <%ls>, PrimPos = <%ls>, SecPos = <%ls>"),
WsbHrAsString(hr), WsbPtrToGuidAsString(pBagId),
WsbStringCopy(WsbPtrToLonglongAsString(pSegStartLoc)),
WsbStringCopy(WsbPtrToLonglongAsString(pSegLen)),
WsbStringCopy(WsbPtrToUshortAsString(pSegFlags)),
WsbStringCopy(WsbPtrToGuidAsString(pPrimPos)),
WsbStringCopy(WsbPtrToLonglongAsString(pSecPos)));
return(hr);
}
HRESULT
CSegRec::FinalConstruct(
void
)
/*++
Routine Description:
This method does some initialization of the object that is necessary
after construction.
Arguments:
None.
Return Value:
S_OK
Anything returned by CWsbCollectable::FinalConstruct().
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::FinalConstruct"), OLESTR(""));
try {
WsbAssertHr(CWsbDbEntity::FinalConstruct());
m_BagId = GUID_NULL;
m_SegStartLoc = 0;
m_SegLen = 0;
m_SegFlags = 0;
m_PrimPos = GUID_NULL;
m_SecPos = 0;
} WsbCatch(hr);
iCountSegrec++;
WsbTraceOut(OLESTR("CSegRec::FinalConstruct"), OLESTR("hr = <%ls>, Count is <%d>"),
WsbHrAsString(hr), iCountSegrec);
return(hr);
}
void
CSegRec::FinalRelease(
void
)
/*++
Implements:
CSegRec::FinalRelease().
--*/
{
WsbTraceIn(OLESTR("CSegRec::FinalRelease"), OLESTR(""));
CWsbDbEntity::FinalRelease();
iCountSegrec--;
WsbTraceOut(OLESTR("CSegRec::FinalRelease"), OLESTR("Count is <%d>"), iCountSegrec);
}
HRESULT CSegRec::GetClassID
(
OUT LPCLSID pclsid
)
/*++
Routine Description:
See IPerist::GetClassID()
Arguments:
See IPerist::GetClassID()
Return Value:
See IPerist::GetClassID()
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::GetClassID"), OLESTR(""));
try {
WsbAssert(0 != pclsid, E_POINTER);
*pclsid = CLSID_CSegRec;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSecRec::GetClassID"), OLESTR("hr = <%ls>, CLSID = <%ls>"), WsbHrAsString(hr), WsbGuidAsString(*pclsid));
return(hr);
}
HRESULT CSegRec::GetSizeMax
(
OUT ULARGE_INTEGER* pcbSize
)
/*++
Routine Description:
See IPersistStream::GetSizeMax().
Arguments:
See IPersistStream::GetSizeMax().
Return Value:
See IPersistStream::GetSizeMax().
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::GetSizeMax"), OLESTR(""));
try {
WsbAssert(0 != pcbSize, E_POINTER);
pcbSize->QuadPart = WsbPersistSizeOf(GUID) + WsbPersistSizeOf(LONGLONG) +
WsbPersistSizeOf(LONGLONG) + WsbPersistSizeOf(USHORT) +
WsbPersistSizeOf(GUID) + WsbPersistSizeOf(LONGLONG);
// pcbSize->QuadPart = WsbPersistSizeOf(CSegRec); //???????
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSegRec::GetSizeMax"),
OLESTR("hr = <%ls>, Size = <%ls>"), WsbHrAsString(hr),
WsbPtrToUliAsString(pcbSize));
return(hr);
}
HRESULT CSegRec::Load
(
IN IStream* pStream
)
/*++
Routine Description:
See IPersistStream::Load().
Arguments:
See IPersistStream::Load().
Return Value:
See IPersistStream::Load().
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::Load"), OLESTR(""));
try {
WsbAssert(0 != pStream, E_POINTER);
WsbAffirmHr(WsbLoadFromStream(pStream, &m_BagId));
WsbAffirmHr(WsbLoadFromStream(pStream, &m_SegStartLoc));
WsbAffirmHr(WsbLoadFromStream(pStream, &m_SegLen));
WsbAffirmHr(WsbLoadFromStream(pStream, &m_SegFlags));
WsbAffirmHr(WsbLoadFromStream(pStream, &m_PrimPos));
WsbAffirmHr(WsbLoadFromStream(pStream, &m_SecPos));
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSegRec::Load"),
OLESTR("hr = <%ls>, GUID = <%ls>, SegStartLoc = <%I64u>, SegLen = <%I64u>, SegFlags = <%u>, PrimPos <%ls>, SecPos = <%I64u>"),
WsbStringCopy(WsbHrAsString(hr)),
WsbGuidAsString(m_BagId),
m_SegStartLoc, m_SegLen, m_SegFlags, WsbStringCopy(WsbGuidAsString(m_PrimPos)), m_SecPos);
return(hr);
}
HRESULT CSegRec::Save
(
IN IStream* pStream,
IN BOOL clearDirty
)
/*++
Routine Description:
See IPersistStream::Save().
Arguments:
See IPersistStream::Save().
Return Value:
See IPersistStream::Save().
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::Save"), OLESTR("clearDirty = <%ls>"), WsbBoolAsString(clearDirty));
try {
WsbAssert(0 != pStream, E_POINTER);
WsbAffirmHr(WsbSaveToStream(pStream, m_BagId));
WsbAffirmHr(WsbSaveToStream(pStream, m_SegStartLoc));
WsbAffirmHr(WsbSaveToStream(pStream, m_SegLen));
WsbAffirmHr(WsbSaveToStream(pStream, m_SegFlags));
WsbAffirmHr(WsbSaveToStream(pStream, m_PrimPos));
WsbAffirmHr(WsbSaveToStream(pStream, m_SecPos));
// If we got it saved and we were asked to clear the dirty bit, then
// do so now.
if (clearDirty) {
m_isDirty = FALSE;
}
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSegRec::Save"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
return(hr);
}
HRESULT
CSegRec::SetSegmentRecord
(
IN GUID BagId,
IN LONGLONG SegStartLoc,
IN LONGLONG SegLen,
IN USHORT SegFlags,
IN GUID PrimPos,
IN LONGLONG SecPos
)
/*++
Routine Description:
See ISegRec::Set().
Arguments:
See ISegRec::Set().
Return Value:
S_OK - Success.
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::SetSegmentRecord"),
OLESTR("GUID = <%ls>, SegStartLoc = <%I64u>, SegLen = <%I64u>, SegFlags = <%X>, PrimPos = <%ls>, SecPos = <%I64u>"),
WsbStringCopy(WsbGuidAsString(BagId)), SegStartLoc, SegLen, SegFlags,
WsbStringCopy(WsbGuidAsString(PrimPos)), SecPos);
m_isDirty = TRUE;
m_BagId = BagId;
m_SegStartLoc = SegStartLoc;
m_SegLen = SegLen;
m_SegFlags = SegFlags;
m_PrimPos = PrimPos;
m_SecPos = SecPos;
WsbTraceOut(OLESTR("CSegRec::SetSegmentRecord"), OLESTR("hr = <%ls>"),
WsbHrAsString(S_OK));
return(hr);
}
HRESULT
CSegRec::GetSegmentFlags(
USHORT *pSegFlags
)
/*++
Implements:
ISegRec::GetSegmentFlags().
--*/
{
HRESULT hr = S_OK;
try {
WsbAssert(0 != pSegFlags, E_POINTER);
*pSegFlags = m_SegFlags;
} WsbCatch(hr);
return(hr);
}
HRESULT
CSegRec::SetSegmentFlags(
USHORT SegFlags
)
/*++
Implements:
ISegRec::SetSegmentFlags().
--*/
{
HRESULT hr = S_OK;
m_SegFlags = SegFlags;
return(hr);
}
HRESULT
CSegRec::GetPrimPos(
GUID *pPrimPos
)
/*++
Implements:
ISegRec::GetPrimPos().
--*/
{
HRESULT hr = S_OK;
try {
WsbAssert(0 != pPrimPos, E_POINTER);
*pPrimPos = m_PrimPos;
} WsbCatch(hr);
return(hr);
}
HRESULT
CSegRec::SetPrimPos(
GUID PrimPos
)
/*++
Implements:
ISegRec::SetPrimPos().
--*/
{
HRESULT hr = S_OK;
m_PrimPos = PrimPos;
return(hr);
}
HRESULT
CSegRec::GetSecPos(
LONGLONG *pSecPos
)
/*++
Implements:
ISegRec::GetSecPos().
--*/
{
HRESULT hr = S_OK;
try {
WsbAssert(0 != pSecPos, E_POINTER);
*pSecPos = m_SecPos;
} WsbCatch(hr);
return(hr);
}
HRESULT
CSegRec::SetSecPos(
LONGLONG SecPos
)
/*++
Implements:
ISegRec::SetSecPos().
--*/
{
HRESULT hr = S_OK;
m_SecPos = SecPos;
return(hr);
}
HRESULT
CSegRec::Test
(
OUT USHORT *pTestsPassed,
OUT USHORT *pTestsFailed
)
/*++
Routine Description:
See IWsbTestable::Test().
Arguments:
See IWsbTestable::Test().
Return Value:
See IWsbTestable::Test().
--*/
{
#if 0
HRESULT hr = S_OK;
CComPtr<ISegRec> pSegment1;
CComPtr<ISegRec> pSegment2;
GUID l_BagId;
LONGLONG l_SegStartLoc;
LONGLONG l_SegLen;
USHORT l_SegFlags;
GUID l_PrimPos;
LONGLONG l_SecPos;
WsbTraceIn(OLESTR("CSegRec::Test"), OLESTR(""));
*pTestsPassed = *pTestsFailed = 0;
try {
// Get the pSegment interface.
WsbAssertHr(((IUnknown*)(ISegRec*) this)->QueryInterface(IID_ISegRec,
(void**) &pSegment1));
try {
// Set the Segment to a value, and see if it is returned.
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CSegRec, 0, 6, 0, CLSID_CSegRec,0 ));
WsbAssertHr(pSegment1->GetSegmentRecord(&l_BagId, &l_SegStartLoc, &l_SegLen, &l_SegFlags, &l_PrimPos, &l_SecPos));
WsbAssert((l_BagId == CLSID_CSegRec) && (l_SegStartLoc == 0) &&
(l_SegLen == 6) && (l_SegFlags == 0) && (l_PrimPos == CLSID_CSegRec) &&
(l_SecPos == 0), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
//Create another instance and test the comparisson methods:
WsbAssertHr(CoCreateInstance(CLSID_CSegRec, NULL, CLSCTX_ALL, IID_ISegRec, (void**) &pSegment2));
// Check the default values.
WsbAssertHr(pSegment2->GetSegmentRecord(&l_BagId, &l_SegStartLoc, &l_SegLen, &l_SegFlags, &l_PrimPos, &l_SecPos));
WsbAssert(((l_BagId == GUID_NULL) && (l_SegStartLoc == 0) && (l_SegLen == 0) &&
(l_SegFlags == 0) && (l_PrimPos == GUID_NULL) && (l_SecPos == 0)), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
#ifdef OLD_CODE
hr = S_OK;
try {
// Equal
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CWsbBool, 1, 100, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pSegment2->SetSegmentRecord(CLSID_CWsbBool, 1, 100, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pSegment1->CompareToISegmentRecord(pSegment2, &result));
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CWsbBool, 5, 6, 3, CLSID_CWsbBool,1 ));
WsbAssertHr(pSegment2->SetSegmentRecord(CLSID_CWsbLong, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssert((pSegment1->CompareToISegmentRecord(pSegment2, &result) == S_FALSE), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
// CompareTo()
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CWsbBool, 1, 100, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pSegment2->SetSegmentRecord(CLSID_CWsbBool, 10, 6, 0, CLSID_CWsbBool,0 ));
WsbAssert((pSegment1->CompareToISegmentRecord(pSegment2, &result) == S_FALSE), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CWsbBool, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pSegment2->SetSegmentRecord(CLSID_CWsbLong, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssert(((pSegment1->CompareToISegmentRecord(pSegment2, &result) == S_FALSE) && (result > 0)), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CWsbBool, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pSegment2->SetSegmentRecord(CLSID_CWsbBool, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssert((pSegment1->CompareToISegmentRecord(pSegment2, &result) == S_OK), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
try {
// Try out the persistence stuff.
CComPtr<IPersistFile> pFile1;
CComPtr<IPersistFile> pFile2;
WsbAssertHr(pSegment1->QueryInterface(IID_IPersistFile, (void**) &pFile1));
WsbAssertHr(pSegment2->QueryInterface(IID_IPersistFile, (void**) &pFile2));
LPOLESTR szTmp = NULL;
// The item should be dirty.
try {
WsbAssertHr(pSegment2->SetSegmentRecord(CLSID_CWsbLong, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pFile2->IsDirty());
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
// Save the item, and remember.
WsbAssertHr(pFile2->Save(OLESTR("c:\\WsbTests\\WsbSegment.tst"), TRUE));
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
// It shouldn't be dirty.
WsbAssert((pFile2->IsDirty() == S_FALSE), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
hr = S_OK;
try {
// Try reading it in to another object.
WsbAssertHr(pSegment1->SetSegmentRecord(CLSID_CWsbLong, 0, 6, 0, CLSID_CWsbBool,0 ));
WsbAssertHr(pFile1->Load(OLESTR("c:\\WsbTests\\WsbSegment.tst"), 0));
WsbAssertHr(pSegment1->CompareToISegmentRecord(pSegment2, &result));
}WsbCatch(hr);
if (hr == S_OK) {
(*pTestsPassed)++;
} else {
(*pTestsFailed)++;
}
} WsbCatch(hr);
#endif
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSegRec::Test"), OLESTR("hr = <%ls>"),WsbHrAsString(hr));
#else
UNREFERENCED_PARAMETER(pTestsPassed);
UNREFERENCED_PARAMETER(pTestsFailed);
#endif
return(S_OK);
}
HRESULT CSegRec::Print
(
IN IStream* pStream
)
/*++
Implements:
IWsbDbEntity::Print
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CSegRec::Print"), OLESTR(""));
try {
WsbAssert(0 != pStream, E_POINTER);
WsbAffirmHr(WsbPrintfToStream(pStream, OLESTR(" BagId = %ls"),
WsbGuidAsString(m_BagId)));
WsbAffirmHr(WsbPrintfToStream(pStream, OLESTR(", StartLoc = %ls"),
WsbLonglongAsString(m_SegStartLoc)));
WsbAffirmHr(WsbPrintfToStream(pStream, OLESTR(", SegLen = %ls"),
WsbLonglongAsString(m_SegLen)));
WsbAffirmHr(WsbPrintfToStream(pStream, OLESTR(", SegFlags = %X"),
m_SegFlags));
WsbAffirmHr(WsbPrintfToStream(pStream, OLESTR(", PrimPos = %ls"),
WsbGuidAsString(m_PrimPos)));
WsbAffirmHr(WsbPrintfToStream(pStream, OLESTR(", SecPos = %ls "),
WsbLonglongAsString(m_SecPos)));
WsbAffirmHr(CWsbDbEntity::Print(pStream));
} WsbCatch(hr);
WsbTraceOut(OLESTR("CSegRec::Print"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
return(hr);
}
HRESULT
CSegRec::Split
(
IN GUID BagId,
IN LONGLONG SegStartLoc,
IN LONGLONG SegLen,
IN ISegRec* /*pSegRec1*/,
IN ISegRec* /*pSegRec2*/
)
/*++
Routine Description:
See ISegRec::Split().
Arguments:
See ISegRec::Split().
Return Value:
S_OK - Success.
--*/
{
WsbTraceIn(OLESTR("CSegRec::Split"),
OLESTR("GUID = <%ls>, SegStartLoc = <%I64u>, SegLen = <%I64u>"),
WsbGuidAsString(BagId), SegStartLoc, SegLen);
//Fill in the two segment records splitting the current record around the hole
//Note that there may not always be two segments generated by the split e.g., if
//the hole is at the beginning or end of the segment record or if the hole is the
//entire record.
WsbTraceOut(OLESTR("CSegRec::Split"), OLESTR("hr = <%ls>"),
WsbHrAsString(S_OK));
return(S_OK);
}
HRESULT
CSegRec::UpdateKey(
IWsbDbKey *pKey
)
/*++
Implements:
IWsbDbEntity::UpdateKey
--*/
{
HRESULT hr = S_OK;
try {
WsbAffirmHr(pKey->SetToGuid(m_BagId));
WsbAffirmHr(pKey->AppendLonglong(m_SegStartLoc));
} WsbCatch(hr);
return(hr);
}
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