| /* |
| * Copyright (C) 2019 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 "MessageReceiver.h" |
| #include "MessageSender.h" |
| #include <WebCore/NetworkSendQueue.h> |
| #include <WebCore/ThreadableWebSocketChannel.h> |
| #include <wtf/Identified.h> |
| #include <wtf/WeakPtr.h> |
| |
| namespace IPC { |
| class Connection; |
| class Decoder; |
| class DataReference; |
| } |
| |
| namespace WebKit { |
| |
| class WebSocketChannel : public IPC::MessageSender, public IPC::MessageReceiver, public WebCore::ThreadableWebSocketChannel, public RefCounted<WebSocketChannel>, public Identified<WebSocketChannel> { |
| public: |
| static Ref<WebSocketChannel> create(WebCore::Document&, WebCore::WebSocketChannelClient&); |
| ~WebSocketChannel(); |
| |
| void didReceiveMessage(IPC::Connection&, IPC::Decoder&); |
| |
| void networkProcessCrashed(); |
| |
| using RefCounted<WebSocketChannel>::ref; |
| using RefCounted<WebSocketChannel>::deref; |
| |
| private: |
| WebSocketChannel(WebCore::Document&, WebCore::WebSocketChannelClient&); |
| |
| static WebCore::NetworkSendQueue createMessageQueue(WebCore::Document&, WebSocketChannel&); |
| |
| // ThreadableWebSocketChannel |
| ConnectStatus connect(const URL&, const String& protocol) final; |
| String subprotocol() final; |
| String extensions() final; |
| SendResult send(const String& message) final; |
| SendResult send(const JSC::ArrayBuffer&, unsigned byteOffset, unsigned byteLength) final; |
| SendResult send(WebCore::Blob&) final; |
| unsigned bufferedAmount() const final; |
| void close(int code, const String& reason) final; |
| void fail(const String& reason) final; |
| void disconnect() final; |
| void suspend() final; |
| void resume() final; |
| void refThreadableWebSocketChannel() final { ref(); } |
| void derefThreadableWebSocketChannel() final { deref(); } |
| |
| // Message receivers |
| void didConnect(String&& subprotocol, String&& extensions); |
| void didReceiveText(String&&); |
| void didReceiveBinaryData(IPC::DataReference&&); |
| void didClose(unsigned short code, String&&); |
| void didReceiveMessageError(String&&); |
| |
| // MessageSender |
| IPC::Connection* messageSenderConnection() const final; |
| uint64_t messageSenderDestinationID() const final; |
| |
| bool increaseBufferedAmount(size_t); |
| void decreaseBufferedAmount(size_t); |
| template<typename T> void sendMessage(T&&, size_t byteLength); |
| void enqueueTask(Function<void()>&&); |
| |
| WeakPtr<WebCore::Document> m_document; |
| WeakPtr<WebCore::WebSocketChannelClient> m_client; |
| String m_subprotocol; |
| String m_extensions; |
| size_t m_bufferedAmount { 0 }; |
| bool m_isClosing { false }; |
| bool m_isSuspended { false }; |
| Deque<Function<void()>> m_pendingTasks; |
| WebCore::NetworkSendQueue m_messageQueue; |
| }; |
| |
| } // namespace WebKit |