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00e67c1bf9
Reviewed By: lnicco Differential Revision: D33587012 fbshipit-source-id: 972eb440f0156c9c04aa6e8787561b18295c1a97
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <folly/Expected.h>
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#include <quic/QuicException.h>
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#include <quic/codec/QuicConnectionId.h>
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namespace quic {
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/**
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* Interface to encode and decode algorithms for ConnectionId given routing
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* info (embedded in ServerConnectionIdParams)
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*
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* NOTE: since several of these methods are called for every single packets,
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* and every single connection, it is important to not do any
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* blocking call in any of the implementation of these methods.
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*/
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class ConnectionIdAlgo {
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public:
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virtual ~ConnectionIdAlgo() = default;
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/**
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* Check if this implementation of algorithm can parse the given ConnectionId
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*/
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virtual bool canParse(const ConnectionId& id) const noexcept = 0;
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/**
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* Parses ServerConnectionIdParams from the given connection id.
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*/
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virtual folly::Expected<ServerConnectionIdParams, QuicInternalException>
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parseConnectionId(const ConnectionId& id) noexcept = 0;
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/**
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* Encodes the given ServerConnectionIdParams into connection id
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*/
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virtual folly::Expected<ConnectionId, QuicInternalException>
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encodeConnectionId(const ServerConnectionIdParams& params) noexcept = 0;
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};
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/**
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* Factory interface to create ConnectionIdAlgo instance.
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*/
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class ConnectionIdAlgoFactory {
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public:
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virtual ~ConnectionIdAlgoFactory() = default;
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virtual std::unique_ptr<ConnectionIdAlgo> make() = 0;
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};
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} // namespace quic
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