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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include "common.h"
#include "eventpipe.h"
#include "eventpipeconfiguration.h"
#include "eventpipeeventinstance.h"
#include "eventpipeinternal.h"
#include "eventpipeprovider.h"
#include "eventpipesession.h"
#include "eventpipesessionprovider.h"
#ifdef FEATURE_PAL
#include "pal.h"
#endif // FEATURE_PAL
#ifdef FEATURE_PERFTRACING
UINT64 QCALLTYPE EventPipeInternal::Enable(
__in_z LPCWSTR outputFile,
UINT32 circularBufferSizeInMB,
UINT64 profilerSamplingRateInNanoseconds,
EventPipeProviderConfiguration *pProviders,
UINT32 numProviders)
{
QCALL_CONTRACT;
UINT64 sessionID = 0;
// Invalid input!
if (circularBufferSizeInMB == 0 ||
profilerSamplingRateInNanoseconds == 0 ||
numProviders == 0 ||
pProviders == nullptr)
{
return 0;
}
BEGIN_QCALL;
{
sessionID = EventPipe::Enable(
outputFile,
circularBufferSizeInMB,
profilerSamplingRateInNanoseconds,
pProviders,
numProviders,
outputFile != NULL ? EventPipeSessionType::File : EventPipeSessionType::Streaming,
nullptr);
}
END_QCALL;
return sessionID;
}
void QCALLTYPE EventPipeInternal::Disable(UINT64 sessionID)
{
QCALL_CONTRACT;
BEGIN_QCALL;
EventPipe::Disable(sessionID);
END_QCALL;
}
bool QCALLTYPE EventPipeInternal::GetSessionInfo(UINT64 sessionID, EventPipeSessionInfo *pSessionInfo)
{
QCALL_CONTRACT;
bool retVal = false;
BEGIN_QCALL;
if (pSessionInfo != NULL)
{
EventPipeSession *pSession = EventPipe::GetSession(sessionID);
if (pSession != NULL)
{
pSessionInfo->StartTimeAsUTCFileTime = pSession->GetStartTime();
pSessionInfo->StartTimeStamp.QuadPart = pSession->GetStartTimeStamp().QuadPart;
QueryPerformanceFrequency(&pSessionInfo->TimeStampFrequency);
retVal = true;
}
}
END_QCALL;
return retVal;
}
INT_PTR QCALLTYPE EventPipeInternal::CreateProvider(
__in_z LPCWSTR providerName,
EventPipeCallback pCallbackFunc)
{
QCALL_CONTRACT;
EventPipeProvider *pProvider = NULL;
BEGIN_QCALL;
pProvider = EventPipe::CreateProvider(providerName, pCallbackFunc, NULL);
END_QCALL;
return reinterpret_cast<INT_PTR>(pProvider);
}
INT_PTR QCALLTYPE EventPipeInternal::DefineEvent(
INT_PTR provHandle,
UINT32 eventID,
__int64 keywords,
UINT32 eventVersion,
UINT32 level,
void *pMetadata,
UINT32 metadataLength)
{
QCALL_CONTRACT;
EventPipeEvent *pEvent = NULL;
BEGIN_QCALL;
_ASSERTE(provHandle != NULL);
EventPipeProvider *pProvider = reinterpret_cast<EventPipeProvider *>(provHandle);
pEvent = pProvider->AddEvent(eventID, keywords, eventVersion, (EventPipeEventLevel)level, /* needStack = */ true, (BYTE *)pMetadata, metadataLength);
_ASSERTE(pEvent != NULL);
END_QCALL;
return reinterpret_cast<INT_PTR>(pEvent);
}
INT_PTR QCALLTYPE EventPipeInternal::GetProvider(__in_z LPCWSTR providerName)
{
QCALL_CONTRACT;
EventPipeProvider *pProvider = NULL;
BEGIN_QCALL;
pProvider = EventPipe::GetProvider(providerName);
END_QCALL;
return reinterpret_cast<INT_PTR>(pProvider);
}
void QCALLTYPE EventPipeInternal::DeleteProvider(INT_PTR provHandle)
{
QCALL_CONTRACT;
BEGIN_QCALL;
if (provHandle != NULL)
{
EventPipeProvider *pProvider = reinterpret_cast<EventPipeProvider *>(provHandle);
EventPipe::DeleteProvider(pProvider);
}
END_QCALL;
}
int QCALLTYPE EventPipeInternal::EventActivityIdControl(uint32_t controlCode, GUID *pActivityId)
{
QCALL_CONTRACT;
int retVal = 0;
BEGIN_QCALL;
Thread *pThread = GetThread();
if (pThread == NULL || pActivityId == NULL)
{
retVal = 1;
}
else
{
ActivityControlCode activityControlCode = (ActivityControlCode)controlCode;
GUID currentActivityId;
switch (activityControlCode)
{
case ActivityControlCode::EVENT_ACTIVITY_CONTROL_GET_ID:
*pActivityId = *pThread->GetActivityId();
break;
case ActivityControlCode::EVENT_ACTIVITY_CONTROL_SET_ID:
pThread->SetActivityId(pActivityId);
break;
case ActivityControlCode::EVENT_ACTIVITY_CONTROL_CREATE_ID:
CoCreateGuid(pActivityId);
break;
case ActivityControlCode::EVENT_ACTIVITY_CONTROL_GET_SET_ID:
currentActivityId = *pThread->GetActivityId();
pThread->SetActivityId(pActivityId);
*pActivityId = currentActivityId;
break;
case ActivityControlCode::EVENT_ACTIVITY_CONTROL_CREATE_SET_ID:
*pActivityId = *pThread->GetActivityId();
CoCreateGuid(¤tActivityId);
pThread->SetActivityId(¤tActivityId);
break;
default:
retVal = 1;
}
}
END_QCALL;
return retVal;
}
void QCALLTYPE EventPipeInternal::WriteEvent(
INT_PTR eventHandle,
UINT32 eventID,
void *pData,
UINT32 length,
LPCGUID pActivityId,
LPCGUID pRelatedActivityId)
{
QCALL_CONTRACT;
BEGIN_QCALL;
_ASSERTE(eventHandle != NULL);
EventPipeEvent *pEvent = reinterpret_cast<EventPipeEvent *>(eventHandle);
EventPipe::WriteEvent(*pEvent, (BYTE *)pData, length, pActivityId, pRelatedActivityId);
END_QCALL;
}
void QCALLTYPE EventPipeInternal::WriteEventData(
INT_PTR eventHandle,
UINT32 eventID,
EventData *pEventData,
UINT32 eventDataCount,
LPCGUID pActivityId,
LPCGUID pRelatedActivityId)
{
QCALL_CONTRACT;
BEGIN_QCALL;
_ASSERTE(eventHandle != NULL);
EventPipeEvent *pEvent = reinterpret_cast<EventPipeEvent *>(eventHandle);
EventPipe::WriteEvent(*pEvent, pEventData, eventDataCount, pActivityId, pRelatedActivityId);
END_QCALL;
}
bool QCALLTYPE EventPipeInternal::GetNextEvent(EventPipeEventInstanceData *pInstance)
{
QCALL_CONTRACT;
EventPipeEventInstance *pNextInstance = NULL;
BEGIN_QCALL;
_ASSERTE(pInstance != NULL);
pNextInstance = EventPipe::GetNextEvent();
if (pNextInstance)
{
pInstance->ProviderID = pNextInstance->GetEvent()->GetProvider();
pInstance->EventID = pNextInstance->GetEvent()->GetEventID();
pInstance->ThreadID = pNextInstance->GetThreadId();
pInstance->TimeStamp.QuadPart = pNextInstance->GetTimeStamp()->QuadPart;
pInstance->ActivityId = *pNextInstance->GetActivityId();
pInstance->RelatedActivityId = *pNextInstance->GetRelatedActivityId();
pInstance->Payload = pNextInstance->GetData();
pInstance->PayloadLength = pNextInstance->GetDataLength();
}
END_QCALL;
return pNextInstance != NULL;
}
#endif // FEATURE_PERFTRACING
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