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Summary: The CID Algo can possibly generate a CID that's already in the map. This diff adds a mechanism to reject such CID and try another one. ServerStateMachine will loop encoding CIDs until either QuicServerWorker no longer rejects, or encode fails Reviewed By: udippant, vchynarov Differential Revision: D20251043 fbshipit-source-id: a38e4e8b33007779a9710c32057d47f32f7d1774
30 lines
858 B
C++
30 lines
858 B
C++
/*
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* Copyright (c) Facebook, Inc. and its 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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*/
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#pragma once
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#include <quic/codec/QuicConnectionId.h>
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namespace quic {
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/**
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* When ConnectionIdAlgo encodes a ConnectionID, Rejector gives the user a way
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* to reject the resulted ConnectionID. For example, a Quic server may have many
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* ongoing connections that all needs different ConnectionID. If the
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* ConnectionID generated by ConnectionIdAlgo is duplicated to an existing one,
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* the server can use this interface to reject the ConnectionID.
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*/
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class ServerConnectionIdRejector {
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public:
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virtual ~ServerConnectionIdRejector() = default;
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virtual bool rejectConnectionId(const ConnectionId& candidate) const
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noexcept = 0;
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};
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} // namespace quic
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