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/*
* Copyright (C) 2015-2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "HeapSnapshot.h"
#include "InspectorBackendDispatchers.h"
#include "InspectorFrontendDispatchers.h"
#include "heap/HeapObserver.h"
#include "inspector/InspectorAgentBase.h"
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
namespace Inspector {
class InjectedScriptManager;
typedef String ErrorString;
class JS_EXPORT_PRIVATE InspectorHeapAgent : public InspectorAgentBase, public HeapBackendDispatcherHandler, public JSC::HeapObserver {
WTF_MAKE_NONCOPYABLE(InspectorHeapAgent);
public:
InspectorHeapAgent(AgentContext&);
virtual ~InspectorHeapAgent();
void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) override;
void willDestroyFrontendAndBackend(DisconnectReason) override;
// HeapBackendDispatcherHandler
void enable(ErrorString&) override;
void disable(ErrorString&) override;
void gc(ErrorString&) final;
void snapshot(ErrorString&, double* timestamp, String* snapshotData) final;
void startTracking(ErrorString&) final;
void stopTracking(ErrorString&) final;
void getPreview(ErrorString&, int heapObjectId, Inspector::Protocol::OptOutput<String>* resultString, RefPtr<Inspector::Protocol::Debugger::FunctionDetails>& functionDetails, RefPtr<Inspector::Protocol::Runtime::ObjectPreview>& objectPreview) final;
void getRemoteObject(ErrorString&, int heapObjectId, const String* const optionalObjectGroup, RefPtr<Inspector::Protocol::Runtime::RemoteObject>& result) final;
// HeapObserver
void willGarbageCollect() override;
void didGarbageCollect(JSC::CollectionScope) override;
protected:
void clearHeapSnapshots();
virtual void dispatchGarbageCollectedEvent(Inspector::Protocol::Heap::GarbageCollection::Type, double startTime, double endTime);
private:
std::optional<JSC::HeapSnapshotNode> nodeForHeapObjectIdentifier(ErrorString&, unsigned heapObjectIdentifier);
InjectedScriptManager& m_injectedScriptManager;
std::unique_ptr<HeapFrontendDispatcher> m_frontendDispatcher;
RefPtr<HeapBackendDispatcher> m_backendDispatcher;
InspectorEnvironment& m_environment;
bool m_enabled { false };
bool m_tracking { false };
double m_gcStartTime { NAN };
};
} // namespace Inspector
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