// // ======================================================================== // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. // ------------------------------------------------------------------------ // All rights reserved. This program and the accompanying materials // are made available under the terms of the Eclipse Public License v1.0 // and Apache License v2.0 which accompanies this distribution. // // The Eclipse Public License is available at // http://www.eclipse.org/legal/epl-v10.html // // The Apache License v2.0 is available at // http://www.opensource.org/licenses/apache2.0.php // // You may elect to redistribute this code under either of these licenses. // ======================================================================== // package org.eclipse.jetty.websocket.api; /** * The <a href="https://tools.ietf.org/html/rfc6455#section-7.4">RFC 6455 specified status codes</a> and <a * href="https://www.iana.org/assignments/websocket/websocket.xml#close-code-number-rules">IANA: WebSocket Close Code Number Registry</a> */ public class StatusCode { /** * 1000 indicates a normal closure, meaning that the purpose for which the connection was established has been fulfilled. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int NORMAL = 1000; /** * 1001 indicates that an endpoint is "going away", such as a server going down or a browser having navigated away from a page. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int SHUTDOWN = 1001; /** * 1002 indicates that an endpoint is terminating the connection due to a protocol error. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int PROTOCOL = 1002; /** * 1003 indicates that an endpoint is terminating the connection because it has received a type of data it cannot accept (e.g., an endpoint that understands * only text data MAY send this if it receives a binary message). * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int BAD_DATA = 1003; /** * Reserved. The specific meaning might be defined in the future. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int UNDEFINED = 1004; /** * 1005 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting * a status code to indicate that no status code was actually present. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int NO_CODE = 1005; /** * 1006 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting * a status code to indicate that the connection was closed abnormally, e.g., without sending or receiving a Close control frame. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int NO_CLOSE = 1006; /** * Abnormal Close is a synonym for {@link #NO_CLOSE}, used to indicate a close * condition where no close frame was processed from the remote side. */ public final static int ABNORMAL = NO_CLOSE; /** * 1007 indicates that an endpoint is terminating the connection because it has received data within a message that was not consistent with the type of the * message (e.g., non-UTF-8 [<a href="https://tools.ietf.org/html/rfc3629">RFC3629</a>] data within a text message). * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int BAD_PAYLOAD = 1007; /** * 1008 indicates that an endpoint is terminating the connection because it has received a message that violates its policy. This is a generic status code * that can be returned when there is no other more suitable status code (e.g., 1003 or 1009) or if there is a need to hide specific details about the * policy. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int POLICY_VIOLATION = 1008; /** * 1009 indicates that an endpoint is terminating the connection because it has received a message that is too big for it to process. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int MESSAGE_TOO_LARGE = 1009; /** * 1010 indicates that an endpoint (client) is terminating the connection because it has expected the server to negotiate one or more extension, but the * server didn't return them in the response message of the WebSocket handshake. The list of extensions that are needed SHOULD appear in the /reason/ part * of the Close frame. Note that this status code is not used by the server, because it can fail the WebSocket handshake instead. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int REQUIRED_EXTENSION = 1010; /** * 1011 indicates that a server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request. * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int SERVER_ERROR = 1011; /** * 1012 indicates that the service is restarted. a client may reconnect, and if it chooses to do, should reconnect using a randomized delay of 5 - 30s. * <p> * See <a href="https://www.ietf.org/mail-archive/web/hybi/current/msg09649.html">[hybi] Additional WebSocket Close Error Codes</a> */ public final static int SERVICE_RESTART = 1012; /** * 1013 indicates that the service is experiencing overload. a client should only connect to a different IP (when there are multiple for the target) or * reconnect to the same IP upon user action. * <p> * See <a href="https://www.ietf.org/mail-archive/web/hybi/current/msg09649.html">[hybi] Additional WebSocket Close Error Codes</a> */ public final static int TRY_AGAIN_LATER = 1013; /** * 1015 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting * a status code to indicate that the connection was closed due to a failure to perform a TLS handshake (e.g., the server certificate can't be verified). * <p> * See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>. */ public final static int FAILED_TLS_HANDSHAKE = 1015; }