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NetworkSendQueue.h
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74 lines (62 loc) · 2.53 KB
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/*
* 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 "ContextDestructionObserver.h"
#include "ExceptionCode.h"
#include <wtf/Deque.h>
#include <wtf/Function.h>
#include <wtf/Span.h>
#include <wtf/UniqueRef.h>
#include <wtf/Variant.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/CString.h>
namespace JSC {
class ArrayBuffer;
}
namespace WebCore {
class Blob;
class BlobLoader;
class SharedBuffer;
class WEBCORE_EXPORT NetworkSendQueue : public ContextDestructionObserver {
public:
using WriteString = Function<void(const CString& utf8)>;
using WriteRawData = Function<void(const Span<const uint8_t>&)>;
enum class Continue { No, Yes };
using ProcessError = Function<Continue(ExceptionCode)>;
NetworkSendQueue(ScriptExecutionContext&, WriteString&&, WriteRawData&&, ProcessError&&);
~NetworkSendQueue();
void enqueue(CString&& utf8);
void enqueue(const JSC::ArrayBuffer&, unsigned byteOffset, unsigned byteLength);
void enqueue(Blob&);
void clear();
private:
void processMessages();
using Message = Variant<CString, Ref<SharedBuffer>, UniqueRef<BlobLoader>>;
Deque<Message> m_queue;
WriteString m_writeString;
WriteRawData m_writeRawData;
ProcessError m_processError;
};
} // namespace WebCore