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TransportExtension.h
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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/. */
#pragma once
namespace mozquic {
class MozQuic;
const uint16_t kDefaultMaxPacketConfig = 65527;
const uint8_t kDefaultAckDelayExponent = 3;
class TransportExtension {
private:
static void Encode1ByteObject(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint8_t object);
static void Encode2ByteObject(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint16_t object);
static void Encode4ByteObject(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint32_t object);
static void Encode16ByteObject(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
unsigned char *object);
static void Encode2xLenx1Record(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint16_t object1, uint8_t object2);
static void Encode2xLenx2Record(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint16_t object1, uint16_t object2);
static void Encode2xLenx4Record(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint16_t object1, uint32_t object2);
static void Decode1ByteObject(const unsigned char *input,
uint16_t &_offset, uint16_t inputSize,
uint8_t &_output);
static void Decode2ByteObject(const unsigned char *input,
uint16_t &_offset, uint16_t inputSize,
uint16_t &_output);
static void Decode4ByteObject(const unsigned char *input,
uint16_t &_offset, uint16_t inputSize,
uint32_t &_output);
static void Decode16ByteObject(const unsigned char *input,
uint16_t &_offset, uint16_t inputSize,
unsigned char *_output);
public:
static void EncodeClientTransportParameters(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint32_t initialVersion,
uint32_t initialMaxStreamData,
uint32_t initialMaxDataBytes,
uint32_t initialMaxStreamBidiID,
uint32_t initialMaxStreamUniID,
uint16_t idleTimeout,
uint16_t maxPacket,
uint8_t ackDelayExponent);
static uint32_t DecodeClientTransportParameters(unsigned char *input, uint16_t inputSize,
uint32_t &_initialVersion,
uint32_t &_initialMaxStreamData,
uint32_t &_initialMaxDataBytes,
uint32_t &_initialMaxStreamBidiID,
uint32_t &_initialMaxStreamUniID,
uint16_t &_idleTimeout,
uint16_t &_maxPacket,
uint8_t &_ackDelayExponent,
MozQuic *forLogging);
static void EncodeServerTransportParameters(unsigned char *output, uint16_t &_offset, uint16_t maxOutput,
uint32_t negotiatedVersion,
const uint32_t *versionList, uint16_t versionListSize,
uint32_t initialMaxStreamData,
uint32_t initialMaxDataBytes,
uint32_t initialMaxStreamBidiID,
uint32_t initialMaxStreamIUni,
uint16_t idleTimeout,
uint16_t maxPacket,
uint8_t ackDelayExponent,
unsigned char *statelessResetToken /* 16 bytes */);
static uint32_t DecodeServerTransportParameters(unsigned char *input, uint16_t inputSize,
uint32_t &_negotiatedVersion,
uint32_t *versionList, uint16_t &_versionListSize,
uint32_t &_initialMaxStreamData,
uint32_t &_initialMaxDataBytes,
uint32_t &_initialMaxStreamBidiID,
uint32_t &_initialMaxStreamUniID,
uint16_t &_idleTimeout,
uint16_t &_maxPacket,
uint8_t &_ackDelayExponent,
unsigned char *_statelessResetToken /* 16 bytes */,
bool &_validStatelessResetToken,
MozQuic *forLogging);
private:
TransportExtension(){}
~TransportExtension(){}
};
}