chromium/net/spdy/spdy_buffer.cc

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40284755): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif

#include "net/spdy/spdy_buffer.h"

#include <cstring>
#include <utility>

#include "base/check_op.h"
#include "base/functional/callback.h"
#include "base/trace_event/memory_usage_estimator.h"
#include "net/base/io_buffer.h"
#include "net/third_party/quiche/src/quiche/spdy/core/spdy_protocol.h"

namespace net {

namespace {

// Bound on largest frame any SPDY version has allowed.
const size_t kMaxSpdyFrameSize = …;

// Makes a spdy::SpdySerializedFrame with |size| bytes of data copied from
// |data|. |data| must be non-NULL and |size| must be positive.
std::unique_ptr<spdy::SpdySerializedFrame> MakeSpdySerializedFrame(
    const char* data,
    size_t size) { … }

}  // namespace

// This class is an IOBuffer implementation that simply holds a
// reference to a SharedFrame object and a fixed offset. Used by
// SpdyBuffer::GetIOBufferForRemainingData().
class SpdyBuffer::SharedFrameIOBuffer : public IOBuffer { … };

SpdyBuffer::SpdyBuffer(std::unique_ptr<spdy::SpdySerializedFrame> frame)
    : … { … }

// The given data may not be strictly a SPDY frame; we (ab)use
// |frame_| just as a container.
SpdyBuffer::SpdyBuffer(const char* data, size_t size)
    : … { … }

SpdyBuffer::~SpdyBuffer() { … }

const char* SpdyBuffer::GetRemainingData() const { … }

size_t SpdyBuffer::GetRemainingSize() const { … }

void SpdyBuffer::AddConsumeCallback(const ConsumeCallback& consume_callback) { … }

void SpdyBuffer::Consume(size_t consume_size) { … }

scoped_refptr<IOBuffer> SpdyBuffer::GetIOBufferForRemainingData() { … }

void SpdyBuffer::ConsumeHelper(size_t consume_size,
                               ConsumeSource consume_source) { … }

}  // namespace net