59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// Copyright 2022 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#pragma once
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#include <cstdint>
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namespace memgraph::communication::bolt {
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/**
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* This class represents states in execution of the Bolt protocol.
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* It is used only internally in the Session. All functions that run
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* these states can be found in the states/ subdirectory.
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*/
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enum class State : uint8_t {
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/**
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* This state negotiates a handshake with the client.
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*/
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Handshake,
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/**
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* This state initializes the Bolt session.
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*/
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Init,
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/**
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* This state waits for next query (RUN command).
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*/
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Idle,
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/**
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* This state holds results of RUN command and waits for either PULL_ALL or
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* DISCARD_ALL command.
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*/
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Result,
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/**
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* This state handles errors, if client handles error response correctly next
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* state is Idle.
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*/
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Error,
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/**
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* This is a 'virtual' state (it doesn't have a run function) which tells
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* the session that the client has sent malformed data and that the
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* session should be closed.
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*/
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Close
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};
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} // namespace memgraph::communication::bolt
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