141 lines
5.7 KiB
C++
141 lines
5.7 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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* Copyright (C) 2017-2021 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEB_RTC)
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#include "ActiveDOMObject.h"
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#include "DetachedRTCDataChannel.h"
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#include "Event.h"
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#include "EventTarget.h"
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#include "ExceptionOr.h"
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#include "NetworkSendQueue.h"
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#include "RTCDataChannelHandler.h"
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#include "RTCDataChannelHandlerClient.h"
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#include "RTCDataChannelIdentifier.h"
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#include "ScriptExecutionContext.h"
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#include "ScriptWrappable.h"
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#include "Timer.h"
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namespace JSC {
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class ArrayBuffer;
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class ArrayBufferView;
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}
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namespace WebCore {
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class Blob;
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class RTCPeerConnectionHandler;
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class RTCDataChannel final : public ActiveDOMObject, public RTCDataChannelHandlerClient, public EventTargetWithInlineData {
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WTF_MAKE_ISO_ALLOCATED(RTCDataChannel);
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public:
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static Ref<RTCDataChannel> create(ScriptExecutionContext&, std::unique_ptr<RTCDataChannelHandler>&&, String&&, RTCDataChannelInit&&);
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static Ref<RTCDataChannel> create(ScriptExecutionContext&, RTCDataChannelIdentifier, String&&, RTCDataChannelInit&&, RTCDataChannelState);
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bool ordered() const { return *m_options.ordered; }
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std::optional<unsigned short> maxPacketLifeTime() const { return m_options.maxPacketLifeTime; }
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std::optional<unsigned short> maxRetransmits() const { return m_options.maxRetransmits; }
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String protocol() const { return m_options.protocol; }
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bool negotiated() const { return *m_options.negotiated; };
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std::optional<unsigned short> id() const { return m_options.id; };
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RTCPriorityType priority() const { return m_options.priority; };
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const RTCDataChannelInit& options() const { return m_options; }
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String label() const { return m_label; }
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RTCDataChannelState readyState() const {return m_readyState; }
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size_t bufferedAmount() const { return m_bufferedAmount; }
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size_t bufferedAmountLowThreshold() const { return m_bufferedAmountLowThreshold; }
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void setBufferedAmountLowThreshold(size_t value) { m_bufferedAmountLowThreshold = value; }
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const AtomString& binaryType() const;
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ExceptionOr<void> setBinaryType(const AtomString&);
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ExceptionOr<void> send(const String&);
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ExceptionOr<void> send(JSC::ArrayBuffer&);
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ExceptionOr<void> send(JSC::ArrayBufferView&);
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ExceptionOr<void> send(Blob&);
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void close();
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RTCDataChannelIdentifier identifier() const { return m_identifier; }
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bool canDetach() const;
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std::unique_ptr<DetachedRTCDataChannel> detach();
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using RTCDataChannelHandlerClient::ref;
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using RTCDataChannelHandlerClient::deref;
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WEBCORE_EXPORT static std::unique_ptr<RTCDataChannelHandler> handlerFromIdentifier(RTCDataChannelLocalIdentifier);
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private:
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RTCDataChannel(ScriptExecutionContext&, std::unique_ptr<RTCDataChannelHandler>&&, String&&, RTCDataChannelInit&&);
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static NetworkSendQueue createMessageQueue(ScriptExecutionContext&, RTCDataChannel&);
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void scheduleDispatchEvent(Ref<Event>&&);
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void removeFromDataChannelLocalMapIfNeeded();
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EventTargetInterface eventTargetInterface() const final { return RTCDataChannelEventTargetInterfaceType; }
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ScriptExecutionContext* scriptExecutionContext() const final { return m_scriptExecutionContext; }
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void refEventTarget() final { ref(); }
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void derefEventTarget() final { deref(); }
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// ActiveDOMObject API
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void stop() final;
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const char* activeDOMObjectName() const final { return "RTCDataChannel"; }
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bool virtualHasPendingActivity() const final;
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// RTCDataChannelHandlerClient API
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void didChangeReadyState(RTCDataChannelState) final;
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void didReceiveStringData(const String&) final;
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void didReceiveRawData(const uint8_t*, size_t) final;
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void didDetectError() final;
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void bufferedAmountIsDecreasing(size_t) final;
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std::unique_ptr<RTCDataChannelHandler> m_handler;
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RTCDataChannelIdentifier m_identifier;
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ScriptExecutionContextIdentifier m_contextIdentifier;
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// FIXME: m_stopped is probably redundant with m_readyState.
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bool m_stopped { false };
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RTCDataChannelState m_readyState { RTCDataChannelState::Connecting };
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enum class BinaryType { Blob, ArrayBuffer };
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BinaryType m_binaryType { BinaryType::ArrayBuffer };
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String m_label;
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RTCDataChannelInit m_options;
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size_t m_bufferedAmount { 0 };
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size_t m_bufferedAmountLowThreshold { 0 };
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bool m_isDetachable { true };
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bool m_isDetached { false };
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NetworkSendQueue m_messageQueue;
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};
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} // namespace WebCore
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#endif // ENABLE(WEB_RTC)
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