Source code of Windows XP (NT5)
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/*++
Copyright (c) 2000 Microsoft Corporation
Module Name:
CellUtil.cxx
Abstract:
Utility functions for manipulating cells
Author:
Kamen Moutafov (kamenm) Dec 99 - Feb 2000
Revision History:
--*/
#include <precomp.hxx>
#include <DbgLib.hxx>
DebugCellUnion *GetCellByIndex(IN OpenedDbgSection *pSection, IN DWORD CellIndex)
{
DWORD LocalPageSize = GetPageSize();
DebugCellGeneric *LastCellForSection;
DebugCellGeneric *CurrentCell;
ASSERT(pSection != NULL);
ASSERT(pSection->SectionCopy != NULL);
#ifdef _WIN64
if (CellIndex <= 1)
return NULL;
#else
if (CellIndex == 0)
return NULL;
#endif
LastCellForSection = GetLastCellForSection(pSection, LocalPageSize);
CurrentCell = GetCellForSection(pSection, CellIndex);
ASSERT(CurrentCell <= LastCellForSection);
return (DebugCellUnion *) CurrentCell;
}
DebugCellUnion *GetCellByDebugCellID(IN CellEnumerationHandle CellEnumHandle, IN DebugCellID CellID)
{
SectionsSnapshot *Snapshot;
OpenedDbgSection *CurrentSection;
DebugCellUnion *Cell = NULL;
Snapshot = (SectionsSnapshot *)CellEnumHandle;
ASSERT(Snapshot != NULL);
CurrentSection = Snapshot->FirstOpenedSection;
while (TRUE)
{
if (CurrentSection->SectionID == CellID.SectionID)
{
Cell = GetCellByIndex(CurrentSection, CellID.CellID);
break;
}
if (CurrentSection->SectionsList.Flink == NULL)
break;
CurrentSection = CONTAINING_RECORD(CurrentSection->SectionsList.Flink, OpenedDbgSection, SectionsList);
}
return Cell;
}
RPC_STATUS GetCellByDebugCellID(IN DWORD ProcessID, IN DebugCellID CellID, OUT DebugCellUnion *Container)
{
RPC_STATUS Status;
CellEnumerationHandle CellEnumHandle;
DebugCellUnion *Cell;
ASSERT(Container != NULL);
Status = OpenRPCServerDebugInfo(ProcessID, &CellEnumHandle);
if (Status != RPC_S_OK)
{
return Status;
}
Cell = GetCellByDebugCellID(CellEnumHandle, CellID);
if (Cell)
{
memcpy(Container, Cell, sizeof(DebugCellUnion));
}
else
Status = ERROR_FILE_NOT_FOUND;
CloseRPCServerDebugInfo(&CellEnumHandle);
return Status;
}
/////////////////////////////////////////////////////
typedef struct tagRPCDebugCallInfoEnumState
{
DWORD CallID;
DWORD IfStart;
int ProcNum;
DWORD ProcessID;
union
{
// if ProcessID != 0, cellEnum is used (i.e. we have process wide enumeration
// otherwise, systemWideEnum is used - we have system wide enumeration
RPCSystemWideCellEnumerationHandle systemWideEnum;
CellEnumerationHandle cellEnum;
};
} RPCDebugCallInfoEnumState;
RPC_STATUS OpenRPCDebugCallInfoEnumeration(IN DWORD CallID OPTIONAL, IN DWORD IfStart OPTIONAL,
IN int ProcNum OPTIONAL,
IN DWORD ProcessID OPTIONAL,
OUT CallInfoEnumerationHandle *pHandle)
{
RPCDebugCallInfoEnumState *pCallEnumeration;
RPC_STATUS Status;
*pHandle = NULL;
pCallEnumeration = new RPCDebugCallInfoEnumState;
if (pCallEnumeration == NULL)
return RPC_S_OUT_OF_MEMORY;
pCallEnumeration->CallID = CallID;
pCallEnumeration->IfStart = IfStart;
pCallEnumeration->ProcessID = ProcessID;
pCallEnumeration->ProcNum = ProcNum;
if (ProcessID != 0)
{
Status = OpenRPCServerDebugInfo(ProcessID, &pCallEnumeration->cellEnum);
if (Status == ERROR_FILE_NOT_FOUND)
{
delete pCallEnumeration;
return RPC_S_DBG_NOT_AN_RPC_SERVER;
}
else if (Status != RPC_S_OK)
{
delete pCallEnumeration;
return Status;
}
}
else
{
Status = OpenRPCSystemWideCellEnumeration(&pCallEnumeration->systemWideEnum);
if (Status != RPC_S_OK)
return Status;
}
*pHandle = (CallInfoEnumerationHandle) pCallEnumeration;
return RPC_S_OK;
}
RPC_STATUS GetNextRPCDebugCallInfo(IN CallInfoEnumerationHandle handle, OUT DebugCallInfo **NextCall,
OUT DebugCellID *CellID, OUT DWORD *ServerPID)
{
RPCDebugCallInfoEnumState *pCallEnumeration = (RPCDebugCallInfoEnumState *)handle;
RPC_STATUS Status;
DebugCallInfo *CallInfo;
DebugCellUnion *NextCell;
ASSERT(pCallEnumeration != NULL);
ASSERT(NextCall != NULL);
ASSERT(ServerPID != NULL);
// loop until we find something or run out of cells/servers
while (TRUE)
{
if (pCallEnumeration->ProcessID != 0)
{
*ServerPID = pCallEnumeration->ProcessID;
NextCell = GetNextDebugCellInfo(pCallEnumeration->cellEnum, CellID);
if (NextCell == NULL)
return RPC_S_DBG_ENUMERATION_DONE;
}
else
{
Status = GetNextRPCSystemWideCell(pCallEnumeration->systemWideEnum, &NextCell, CellID, ServerPID);
if (Status == RPC_S_INVALID_BOUND)
return RPC_S_DBG_ENUMERATION_DONE;
if (Status != RPC_S_OK)
return Status;
}
// NextCell must be non-NULL here, or we have a bug
ASSERT(NextCell != NULL);
if (NextCell->callInfo.Type != dctCallInfo)
continue;
CallInfo = &NextCell->callInfo;
if ((pCallEnumeration->CallID != 0) && (CallInfo->CallID != pCallEnumeration->CallID))
continue;
if ((pCallEnumeration->IfStart != 0) && (CallInfo->InterfaceUUIDStart != pCallEnumeration->IfStart))
continue;
if (((USHORT)pCallEnumeration->ProcNum != (USHORT)RPCDBG_NO_PROCNUM_SPECIFIED)
&& (CallInfo->ProcNum != pCallEnumeration->ProcNum))
continue;
// if we have survived all checks until now, we have found it - return it
*NextCall = CallInfo;
return RPC_S_OK;
}
}
void FinishRPCDebugCallInfoEnumeration(IN OUT CallInfoEnumerationHandle *pHandle)
{
RPCDebugCallInfoEnumState *pCallEnumeration;
ASSERT(pHandle != NULL);
pCallEnumeration = (RPCDebugCallInfoEnumState *)*pHandle;
ASSERT(pCallEnumeration != NULL);
if (pCallEnumeration->ProcessID != 0)
{
CloseRPCServerDebugInfo(&pCallEnumeration->cellEnum);
}
else
{
FinishRPCSystemWideCellEnumeration(&pCallEnumeration->systemWideEnum);
}
}
RPC_STATUS ResetRPCDebugCallInfoEnumeration(IN CallInfoEnumerationHandle handle)
{
RPCDebugCallInfoEnumState *pCallEnumeration = (RPCDebugCallInfoEnumState *)handle;
ASSERT(pCallEnumeration != NULL);
if (pCallEnumeration->ProcessID != 0)
{
ResetRPCServerDebugInfo(pCallEnumeration->cellEnum);
return RPC_S_OK;
}
else
{
return ResetRPCSystemWideCellEnumeration(pCallEnumeration->systemWideEnum);
}
}
////////////////////////////////////
typedef struct tagRPCDebugEndpointInfoEnumState
{
char *Endpoint;
RPCSystemWideCellEnumerationHandle systemWideEnum;
} RPCDebugEndpointInfoEnumState;
RPC_STATUS OpenRPCDebugEndpointInfoEnumeration(IN char *Endpoint OPTIONAL,
OUT EndpointInfoEnumerationHandle *pHandle)
{
RPCDebugEndpointInfoEnumState *pEndpointEnumeration;
RPC_STATUS Status;
int EndpointLength;
*pHandle = NULL;
pEndpointEnumeration = new RPCDebugEndpointInfoEnumState;
if (pEndpointEnumeration == NULL)
return RPC_S_OUT_OF_MEMORY;
if (ARGUMENT_PRESENT(Endpoint))
{
EndpointLength = strlen(Endpoint);
pEndpointEnumeration->Endpoint = new char [EndpointLength + 1];
if (pEndpointEnumeration->Endpoint == NULL)
{
delete pEndpointEnumeration;
return RPC_S_OUT_OF_MEMORY;
}
memcpy(pEndpointEnumeration->Endpoint, Endpoint, EndpointLength + 1);
}
else
{
pEndpointEnumeration->Endpoint = NULL;
}
Status = OpenRPCSystemWideCellEnumeration(&pEndpointEnumeration->systemWideEnum);
if (Status != RPC_S_OK)
return Status;
*pHandle = (EndpointInfoEnumerationHandle) pEndpointEnumeration;
return RPC_S_OK;
}
RPC_STATUS GetNextRPCDebugEndpointInfo(IN CallInfoEnumerationHandle handle, OUT DebugEndpointInfo **NextEndpoint,
OUT DebugCellID *CellID, OUT DWORD *ServerPID)
{
RPCDebugEndpointInfoEnumState *pEndpointEnumeration = (RPCDebugEndpointInfoEnumState *)handle;
RPC_STATUS Status;
DebugEndpointInfo *EndpointInfo;
DebugCellUnion *NextCell;
ASSERT(pEndpointEnumeration != NULL);
ASSERT(NextEndpoint != NULL);
ASSERT(ServerPID != NULL);
// loop until we find something or run out of cells/servers
while (TRUE)
{
Status = GetNextRPCSystemWideCell(pEndpointEnumeration->systemWideEnum, &NextCell, CellID, ServerPID);
if (Status == RPC_S_INVALID_BOUND)
return RPC_S_DBG_ENUMERATION_DONE;
if (Status != RPC_S_OK)
return Status;
// NextCell must be non-NULL here, or we have a bug
ASSERT(NextCell != NULL);
if (NextCell->callInfo.Type != dctEndpointInfo)
continue;
EndpointInfo = &NextCell->endpointInfo;
if (pEndpointEnumeration->Endpoint != NULL)
{
if (strncmp(EndpointInfo->EndpointName, pEndpointEnumeration->Endpoint, sizeof(EndpointInfo->EndpointName)) != 0)
continue;
}
// if we have survived all checks until now, we have found it - return it
*NextEndpoint = EndpointInfo;
return RPC_S_OK;
}
}
void FinishRPCDebugEndpointInfoEnumeration(IN OUT EndpointInfoEnumerationHandle *pHandle)
{
RPCDebugEndpointInfoEnumState *pEndpointEnumeration;
ASSERT(pHandle != NULL);
pEndpointEnumeration = (RPCDebugEndpointInfoEnumState *)*pHandle;
ASSERT(pEndpointEnumeration != NULL);
FinishRPCSystemWideCellEnumeration(&pEndpointEnumeration->systemWideEnum);
}
RPC_STATUS ResetRPCDebugEndpointInfoEnumeration(IN EndpointInfoEnumerationHandle handle)
{
RPCDebugEndpointInfoEnumState *pEndpointEnumeration = (RPCDebugEndpointInfoEnumState *)handle;
ASSERT(pEndpointEnumeration != NULL);
return ResetRPCSystemWideCellEnumeration(pEndpointEnumeration->systemWideEnum);
}
////////////////////////////////////////////////
typedef struct tagRPCDebugThreadInfoEnumState
{
DWORD ProcessID;
DWORD ThreadID;
CellEnumerationHandle cellEnum;
} RPCDebugThreadInfoEnumState;
RPC_STATUS OpenRPCDebugThreadInfoEnumeration(IN DWORD ProcessID,
IN DWORD ThreadID OPTIONAL,
OUT ThreadInfoEnumerationHandle *pHandle)
{
RPCDebugThreadInfoEnumState *pThreadEnumeration;
RPC_STATUS Status;
ASSERT(ProcessID != 0);
*pHandle = NULL;
pThreadEnumeration = new RPCDebugThreadInfoEnumState;
if (pThreadEnumeration == NULL)
return RPC_S_OUT_OF_MEMORY;
pThreadEnumeration->ProcessID = ProcessID;
pThreadEnumeration->ThreadID = ThreadID;
Status = OpenRPCServerDebugInfo(ProcessID, &pThreadEnumeration->cellEnum);
if (Status == ERROR_FILE_NOT_FOUND)
{
delete pThreadEnumeration;
return RPC_S_DBG_NOT_AN_RPC_SERVER;
}
else if (Status != RPC_S_OK)
{
delete pThreadEnumeration;
return Status;
}
*pHandle = (ThreadInfoEnumerationHandle) pThreadEnumeration;
return RPC_S_OK;
}
RPC_STATUS GetNextRPCDebugThreadInfo(IN ThreadInfoEnumerationHandle handle, OUT DebugThreadInfo **NextThread,
OUT DebugCellID *CellID, OUT DWORD *ServerPID)
{
RPCDebugThreadInfoEnumState *pThreadEnumeration = (RPCDebugThreadInfoEnumState *)handle;
RPC_STATUS Status;
DebugThreadInfo *ThreadInfo;
DebugCellUnion *NextCell;
ASSERT(pThreadEnumeration != NULL);
ASSERT(NextThread != NULL);
ASSERT(ServerPID != NULL);
// loop until we find something or run out of cells/servers
while (TRUE)
{
*ServerPID = pThreadEnumeration->ProcessID;
NextCell = GetNextDebugCellInfo(pThreadEnumeration->cellEnum, CellID);
if (NextCell == NULL)
return RPC_S_DBG_ENUMERATION_DONE;
if (NextCell->callInfo.Type != dctThreadInfo)
continue;
ThreadInfo = &NextCell->threadInfo;
if ((pThreadEnumeration->ThreadID != 0) && (ThreadInfo->TID != pThreadEnumeration->ThreadID))
continue;
// if we have survived all checks until now, we have found it - return it
*NextThread = ThreadInfo;
return RPC_S_OK;
}
}
void FinishRPCDebugThreadInfoEnumeration(IN OUT ThreadInfoEnumerationHandle *pHandle)
{
RPCDebugThreadInfoEnumState *pThreadEnumeration;
ASSERT(pHandle != NULL);
pThreadEnumeration = (RPCDebugThreadInfoEnumState *)*pHandle;
ASSERT(pThreadEnumeration != NULL);
CloseRPCServerDebugInfo(&pThreadEnumeration->cellEnum);
}
RPC_STATUS ResetRPCDebugThreadInfoEnumeration(IN ThreadInfoEnumerationHandle handle)
{
RPCDebugThreadInfoEnumState *pThreadEnumeration = (RPCDebugThreadInfoEnumState *)handle;
ASSERT(pThreadEnumeration != NULL);
ResetRPCServerDebugInfo(pThreadEnumeration->cellEnum);
return RPC_S_OK;
}
/////////////////////////////////////////////////////
typedef struct tagRPCDebugClientCallInfoEnumState
{
DWORD CallID;
DWORD IfStart;
int ProcNum;
DWORD ProcessID;
union
{
// if ProcessID != 0, cellEnum is used (i.e. we have process wide enumeration
// otherwise, systemWideEnum is used - we have system wide enumeration
RPCSystemWideCellEnumerationHandle systemWideEnum;
CellEnumerationHandle cellEnum;
};
} RPCDebugClientCallInfoEnumState;
RPC_STATUS OpenRPCDebugClientCallInfoEnumeration(IN DWORD CallID OPTIONAL, IN DWORD IfStart OPTIONAL,
IN int ProcNum OPTIONAL,
IN DWORD ProcessID OPTIONAL,
OUT ClientCallInfoEnumerationHandle *pHandle)
{
RPCDebugClientCallInfoEnumState *pCallEnumeration;
RPC_STATUS Status;
*pHandle = NULL;
pCallEnumeration = new RPCDebugClientCallInfoEnumState;
if (pCallEnumeration == NULL)
return RPC_S_OUT_OF_MEMORY;
pCallEnumeration->CallID = CallID;
pCallEnumeration->IfStart = IfStart;
pCallEnumeration->ProcessID = ProcessID;
pCallEnumeration->ProcNum = ProcNum;
if (ProcessID != 0)
{
Status = OpenRPCServerDebugInfo(ProcessID, &pCallEnumeration->cellEnum);
if (Status == ERROR_FILE_NOT_FOUND)
{
delete pCallEnumeration;
return RPC_S_DBG_NOT_AN_RPC_SERVER;
}
else if (Status != RPC_S_OK)
{
delete pCallEnumeration;
return Status;
}
}
else
{
Status = OpenRPCSystemWideCellEnumeration(&pCallEnumeration->systemWideEnum);
if (Status != RPC_S_OK)
return Status;
}
*pHandle = (ClientCallInfoEnumerationHandle) pCallEnumeration;
return RPC_S_OK;
}
RPC_STATUS GetNextRPCDebugClientCallInfo(IN ClientCallInfoEnumerationHandle handle,
OUT DebugClientCallInfo **NextCall,
OUT DebugCallTargetInfo **NextCallTarget,
OUT DebugCellID *CellID, OUT DWORD *ServerPID)
{
RPCDebugClientCallInfoEnumState *pCallEnumeration = (RPCDebugClientCallInfoEnumState *)handle;
RPC_STATUS Status;
DebugClientCallInfo *CallInfo;
DebugCallTargetInfo *CallTargetInfo;
DebugCellUnion *NextCell;
ASSERT(pCallEnumeration != NULL);
ASSERT(NextCall != NULL);
ASSERT(ServerPID != NULL);
// loop until we find something or run out of cells/servers
while (TRUE)
{
if (pCallEnumeration->ProcessID != 0)
{
*ServerPID = pCallEnumeration->ProcessID;
NextCell = GetNextDebugCellInfo(pCallEnumeration->cellEnum, CellID);
if (NextCell == NULL)
return RPC_S_DBG_ENUMERATION_DONE;
}
else
{
Status = GetNextRPCSystemWideCell(pCallEnumeration->systemWideEnum, &NextCell, CellID, ServerPID);
if (Status == RPC_S_INVALID_BOUND)
return RPC_S_DBG_ENUMERATION_DONE;
if (Status != RPC_S_OK)
return Status;
}
// NextCell must be non-NULL here, or we have a bug
ASSERT(NextCell != NULL);
if (NextCell->callInfo.Type != dctClientCallInfo)
continue;
CallInfo = &NextCell->clientCallInfo;
if ((pCallEnumeration->CallID != 0) && (CallInfo->CallID != pCallEnumeration->CallID))
continue;
if ((pCallEnumeration->IfStart != 0) && (CallInfo->IfStart != pCallEnumeration->IfStart))
continue;
if (((USHORT)pCallEnumeration->ProcNum != (USHORT)RPCDBG_NO_PROCNUM_SPECIFIED)
&& (CallInfo->ProcNum != pCallEnumeration->ProcNum))
continue;
if (pCallEnumeration->ProcessID != 0)
{
CallTargetInfo = (DebugCallTargetInfo *) GetCellByDebugCellID(pCallEnumeration->cellEnum,
NextCell->clientCallInfo.CallTargetID);
}
else
{
CallTargetInfo = (DebugCallTargetInfo *) GetRPCSystemWideCellFromCellID(pCallEnumeration->systemWideEnum,
NextCell->clientCallInfo.CallTargetID);
}
// if we have survived all checks until now, we have found it - return it
*NextCall = CallInfo;
*NextCallTarget = CallTargetInfo;
return RPC_S_OK;
}
}
void FinishRPCDebugClientCallInfoEnumeration(IN OUT ClientCallInfoEnumerationHandle *pHandle)
{
RPCDebugClientCallInfoEnumState *pCallEnumeration;
ASSERT(pHandle != NULL);
pCallEnumeration = (RPCDebugClientCallInfoEnumState *)*pHandle;
ASSERT(pCallEnumeration != NULL);
if (pCallEnumeration->ProcessID != 0)
{
CloseRPCServerDebugInfo(&pCallEnumeration->cellEnum);
}
else
{
FinishRPCSystemWideCellEnumeration(&pCallEnumeration->systemWideEnum);
}
}
RPC_STATUS ResetRPCDebugClientCallInfoEnumeration(IN CallInfoEnumerationHandle handle)
{
RPCDebugClientCallInfoEnumState *pCallEnumeration = (RPCDebugClientCallInfoEnumState *)handle;
ASSERT(pCallEnumeration != NULL);
if (pCallEnumeration->ProcessID != 0)
{
ResetRPCServerDebugInfo(pCallEnumeration->cellEnum);
return RPC_S_OK;
}
else
{
return ResetRPCSystemWideCellEnumeration(pCallEnumeration->systemWideEnum);
}
}