blob: b651d45d910ec144b179575eac5d16442360abb3 [file] [log] [blame]
* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <utility>
#include "net/dcsctp/public/strong_alias.h"
#include "net/dcsctp/public/types.h"
namespace dcsctp {
// Stream Sequence Number (SSN)
using SSN = StrongAlias<class SSNTag, uint16_t>;
// Message Identifier (MID)
using MID = StrongAlias<class MIDTag, uint32_t>;
// Fragment Sequence Number (FSN)
using FSN = StrongAlias<class FSNTag, uint32_t>;
// Transmission Sequence Number (TSN)
using TSN = StrongAlias<class TSNTag, uint32_t>;
// Reconfiguration Request Sequence Number
using ReconfigRequestSN = StrongAlias<class ReconfigRequestSNTag, uint32_t>;
// Verification Tag, used for packet validation.
using VerificationTag = StrongAlias<class VerificationTagTag, uint32_t>;
// Tie Tag, used as a nonce when connecting.
using TieTag = StrongAlias<class TieTagTag, uint64_t>;
// Hasher for separated ordered/unordered stream identifiers.
struct UnorderedStreamHash {
size_t operator()(const std::pair<IsUnordered, StreamID>& p) const {
return std::hash<IsUnordered::UnderlyingType>{}(*p.first) ^
(std::hash<StreamID::UnderlyingType>{}(*p.second) << 1);
} // namespace dcsctp