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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 "eventpipeprovider.h"
#include "eventpipesessionprovider.h"
#ifdef FEATURE_PERFTRACING
EventPipeSessionProvider::EventPipeSessionProvider(
LPCWSTR providerName,
UINT64 keywords,
EventPipeEventLevel loggingLevel,
LPCWSTR filterData)
{
CONTRACTL
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
if (providerName != NULL)
{
size_t bufSize = wcslen(providerName) + 1;
m_pProviderName = new WCHAR[bufSize];
wcscpy_s(m_pProviderName, bufSize, providerName);
}
else
{
m_pProviderName = NULL;
}
m_keywords = keywords;
m_loggingLevel = loggingLevel;
if (filterData != NULL)
{
size_t bufSize = wcslen(filterData) + 1;
m_pFilterData = new WCHAR[bufSize];
wcscpy_s(m_pFilterData, bufSize, filterData);
}
else
{
m_pFilterData = NULL;
}
}
EventPipeSessionProvider::~EventPipeSessionProvider()
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
delete[] m_pProviderName;
delete[] m_pFilterData;
}
EventPipeSessionProviderList::EventPipeSessionProviderList(
const EventPipeProviderConfiguration *pConfigs,
uint32_t numConfigs)
{
CONTRACTL
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
PRECONDITION((numConfigs == 0) || (numConfigs > 0 && pConfigs != nullptr));
}
CONTRACTL_END;
m_pProviders = new SList<SListElem<EventPipeSessionProvider *>>();
m_pCatchAllProvider = NULL;
if ((numConfigs > 0) && (pConfigs == nullptr))
return;
for (uint32_t i = 0; i < numConfigs; ++i)
{
const EventPipeProviderConfiguration *pConfig = &pConfigs[i];
// Enable all events if the provider name == '*', all keywords are on and the requested level == verbose.
if ((wcscmp(W("*"), pConfig->GetProviderName()) == 0) && (pConfig->GetKeywords() == 0xFFFFFFFFFFFFFFFF) && ((EventPipeEventLevel)pConfig->GetLevel() == EventPipeEventLevel::Verbose) && (m_pCatchAllProvider == NULL))
{
m_pCatchAllProvider = new EventPipeSessionProvider(
NULL,
0xFFFFFFFFFFFFFFFF,
EventPipeEventLevel::Verbose,
NULL);
}
else
{
EventPipeSessionProvider *pProvider = new EventPipeSessionProvider(
pConfig->GetProviderName(),
pConfig->GetKeywords(),
(EventPipeEventLevel)pConfig->GetLevel(),
pConfig->GetFilterData());
m_pProviders->InsertTail(new SListElem<EventPipeSessionProvider *>(pProvider));
}
}
}
EventPipeSessionProviderList::~EventPipeSessionProviderList()
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
Clear();
delete m_pProviders;
delete m_pCatchAllProvider;
}
void EventPipeSessionProviderList::AddSessionProvider(EventPipeSessionProvider *pProvider)
{
CONTRACTL
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
PRECONDITION(pProvider != nullptr);
}
CONTRACTL_END;
if (pProvider != nullptr)
m_pProviders->InsertTail(new SListElem<EventPipeSessionProvider *>(pProvider));
}
EventPipeSessionProvider *EventPipeSessionProviderList::GetSessionProvider(const EventPipeProvider *pProvider) const
{
CONTRACTL
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
PRECONDITION(pProvider != nullptr);
}
CONTRACTL_END;
if (pProvider == nullptr)
return nullptr;
// Exists when tracing was enabled at start-up and all events were requested. This is a diagnostic config.
if (m_pCatchAllProvider != NULL)
return m_pCatchAllProvider;
if (m_pProviders == NULL)
return NULL;
SString providerNameStr = pProvider->GetProviderName();
LPCWSTR providerName = providerNameStr.GetUnicode();
EventPipeSessionProvider *pSessionProvider = NULL;
SListElem<EventPipeSessionProvider *> *pElem = m_pProviders->GetHead();
while (pElem != NULL)
{
EventPipeSessionProvider *pCandidate = pElem->GetValue();
if (wcscmp(providerName, pCandidate->GetProviderName()) == 0)
{
pSessionProvider = pCandidate;
break;
}
pElem = m_pProviders->GetNext(pElem);
}
return pSessionProvider;
}
bool EventPipeSessionProviderList::IsEmpty() const
{
LIMITED_METHOD_CONTRACT;
return (m_pProviders->IsEmpty() && m_pCatchAllProvider == NULL);
}
void EventPipeSessionProviderList::Clear()
{
if (m_pProviders != NULL)
{
while (!m_pProviders->IsEmpty())
{
SListElem<EventPipeSessionProvider*> *pElem = m_pProviders->RemoveHead();
EventPipeSessionProvider *pProvider = pElem->GetValue();
delete pProvider;
delete pElem;
}
}
_ASSERTE(m_pProviders->IsEmpty());
}
#endif // FEATURE_PERFTRACING
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