64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set sw=2 ts=8 et tw=80 : */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_net_capsule_encoder_h
|
|
#define mozilla_net_capsule_encoder_h
|
|
|
|
#include "mozilla/Maybe.h"
|
|
#include "mozilla/net/NeqoHttp3Conn.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "mozilla/Span.h"
|
|
#include "mozilla/net/NeqoHttp3Conn.h"
|
|
#include "nsTArray.h"
|
|
|
|
namespace mozilla::net {
|
|
|
|
struct StreamMetadata {
|
|
uint64_t mID{0};
|
|
size_t mDataSize{0};
|
|
uint64_t mStartOfData{0};
|
|
};
|
|
|
|
// A wrapper of neqo_common::Encoder.
|
|
class CapsuleEncoder final {
|
|
public:
|
|
CapsuleEncoder();
|
|
~CapsuleEncoder();
|
|
|
|
// Serializes the given capsule into the internal buffer owned by mEncoder.
|
|
void EncodeCapsule(Capsule& aCapsule);
|
|
// Provides external access to the mEncoder's internal buffer which contains
|
|
// the serialized capsule data. This function outputs a pointer to the start
|
|
// of the buffer along with its current length.
|
|
mozilla::Span<const uint8_t> GetBuffer();
|
|
|
|
Maybe<StreamMetadata>& GetStreamMetadata() { return mStreamMetadata; }
|
|
|
|
private:
|
|
RefPtr<NeqoEncoder> mEncoder;
|
|
|
|
CapsuleEncoder& EncodeByte(uint8_t aData);
|
|
|
|
template <typename T>
|
|
CapsuleEncoder& EncodeUint(uint32_t aSize, T aValue);
|
|
|
|
template <typename T>
|
|
CapsuleEncoder& EncodeVarint(T aValue);
|
|
|
|
CapsuleEncoder& EncodeString(const nsACString& aData);
|
|
CapsuleEncoder& EncodeBuffer(nsTArray<uint8_t>& aData);
|
|
CapsuleEncoder& EncodeBufferWithVarintLen(nsTArray<uint8_t>& aData);
|
|
|
|
static size_t VarintLength(uint64_t aValue);
|
|
|
|
// When this encoder contains a WT_STREAM capsule, this field tracks metadata
|
|
// for the stream data being sent.
|
|
Maybe<StreamMetadata> mStreamMetadata;
|
|
};
|
|
|
|
} // namespace mozilla::net
|
|
|
|
#endif
|