001/*
002 * Copyright 2022-2026 Revetware LLC.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.soklet;
018
019/**
020 * Lifecycle status reported by an immutable MCP server diagnostics snapshot.
021 *
022 * <p>
023 * This type may gain reviewed constants in Soklet 4.x; use a forward-compatible default when switching over its values.
024 *
025 * @author <a href="https://www.revetkn.com">Mark Allen</a>
026 */
027public enum McpServerStatus {
028        /**
029         * MCP attachment has not begun, or startup failed before attachment was
030         * committed.
031         */
032        NOT_STARTED,
033
034        /**
035         * Attachment or transport startup is in progress before readiness.
036         */
037        STARTING,
038
039        /**
040         * The MCP transport generation is ready and admission is open. An
041         * off-network simulator generation can be running without a bound address.
042         */
043        RUNNING,
044
045        /** Shutdown or rollback is in progress and final proof is pending. */
046        SHUTTING_DOWN,
047
048        /** Final normal, forced, or unexpected termination is proven. */
049        TERMINATED,
050
051        /** Positive MCP activity remained at the final shutdown boundary. */
052        RESIDUAL_ACTIVITY,
053
054        /** Final MCP termination proof could not be established. */
055        TERMINATION_UNKNOWN
056}