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/*
* Copyright (C) 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. AND ITS CONTRIBUTORS ``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 ITS 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 "InspectorWebAgentBase.h"
#include "WorkerInspectorProxy.h"
#include <JavaScriptCore/InspectorBackendDispatchers.h>
#include <JavaScriptCore/InspectorFrontendDispatchers.h>
#include <wtf/CheckedPtr.h>
#include <wtf/CheckedRef.h>
#include <wtf/FastMalloc.h>
#include <wtf/Lock.h>
#include <wtf/RobinHoodHashMap.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/UniqueRef.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class InspectorWorkerAgent : public InspectorAgentBase, public Inspector::WorkerBackendDispatcherHandler, public CanMakeThreadSafeCheckedPtr<InspectorWorkerAgent> {
WTF_MAKE_NONCOPYABLE(InspectorWorkerAgent);
WTF_MAKE_TZONE_ALLOCATED(InspectorWorkerAgent);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(InspectorWorkerAgent);
public:
~InspectorWorkerAgent();
Inspector::WorkerFrontendDispatcher& frontendDispatcher() { return *m_frontendDispatcher; }
// InspectorAgentBase
void didCreateFrontendAndBackend(Inspector::FrontendRouter*, Inspector::BackendDispatcher*);
void willDestroyFrontendAndBackend(Inspector::DisconnectReason);
// WorkerBackendDispatcherHandler
Inspector::Protocol::ErrorStringOr<void> enable();
Inspector::Protocol::ErrorStringOr<void> disable();
Inspector::Protocol::ErrorStringOr<void> initialized(const String& workerId);
Inspector::Protocol::ErrorStringOr<void> sendMessageToWorker(const String& workerId, const String& message);
// InspectorInstrumentation
bool shouldWaitForDebuggerOnStart() const;
void workerStarted(WorkerInspectorProxy&);
void workerTerminated(WorkerInspectorProxy&);
protected:
InspectorWorkerAgent(WebAgentContext&);
virtual void connectToAllWorkerInspectorProxies() = 0;
void connectToWorkerInspectorProxy(WorkerInspectorProxy&);
private:
class PageChannel final : public WorkerInspectorProxy::PageChannel, public ThreadSafeRefCounted<PageChannel> {
WTF_MAKE_TZONE_ALLOCATED_INLINE(PageChannel);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(PageChannel);
public:
static Ref<PageChannel> create(InspectorWorkerAgent&);
void ref() const final { ThreadSafeRefCounted::ref(); }
void deref() const final { ThreadSafeRefCounted::deref(); }
void detachFromParentAgent();
void sendMessageFromWorkerToFrontend(WorkerInspectorProxy&, String&&);
private:
explicit PageChannel(InspectorWorkerAgent&);
Lock m_parentAgentLock;
CheckedPtr<InspectorWorkerAgent> m_parentAgent WTF_GUARDED_BY_LOCK(m_parentAgentLock);
};
void disconnectFromAllWorkerInspectorProxies();
void disconnectFromWorkerInspectorProxy(WorkerInspectorProxy&);
const Ref<PageChannel> m_pageChannel;
UniqueRef<Inspector::WorkerFrontendDispatcher> m_frontendDispatcher;
RefPtr<Inspector::WorkerBackendDispatcher> m_backendDispatcher;
MemoryCompactRobinHoodHashMap<String, WeakPtr<WorkerInspectorProxy>> m_connectedProxies;
bool m_enabled { false };
};
} // namespace WebCore
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