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/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.nacos.api.common;

import java.util.concurrent.TimeUnit;

/**
 * Constant
 *
 * @author Nacos
 */
public class Constants {

    public static final String CLIENT_VERSION = "3.0.0";

    public static int DATA_IN_BODY_VERSION = 204;

    public static final String DEFAULT_GROUP = "DEFAULT_GROUP";

    public static final String APPNAME = "AppName";

    public static final String UNKNOWN_APP = "UnknownApp";

    public static final String DEFAULT_DOMAINNAME = "commonconfig.config-host.taobao.com";

    public static final String DAILY_DOMAINNAME = "commonconfig.taobao.net";

    public static final String NULL = "";

    public static final String DATAID = "dataId";

    public static final String GROUP = "group";

    public static final String LAST_MODIFIED = "Last-Modified";

    public static final String ACCEPT_ENCODING = "Accept-Encoding";

    public static final String CONTENT_ENCODING = "Content-Encoding";

    public static final String PROBE_MODIFY_REQUEST = "Listening-Configs";

    public static final String PROBE_MODIFY_RESPONSE = "Probe-Modify-Response";

    public static final String PROBE_MODIFY_RESPONSE_NEW = "Probe-Modify-Response-New";

    public static final String USE_ZIP = "true";

    public static final String CONTENT_MD5 = "Content-MD5";

    public static final String CONFIG_VERSION = "Config-Version";

    public static final String IF_MODIFIED_SINCE = "If-Modified-Since";

    public static final String SPACING_INTERVAL = "client-spacing-interval";

    public static final String BASE_PATH = "/v1/cs";

    public static final String CONFIG_CONTROLLER_PATH = BASE_PATH + "/configs";

    /**
     * second
     */
    public static final int ASYNC_UPDATE_ADDRESS_INTERVAL = 300;

    /**
     * second
     */
    public static final int POLLING_INTERVAL_TIME = 15;

    /**
     * millisecond
     */
    public static final int ONCE_TIMEOUT = 2000;

    /**
     * millisecond
     */
    public static final int SO_TIMEOUT = 60000;

    /**
     * millisecond
     */
    public static final int CONFIG_LONG_POLL_TIMEOUT = 30000;

    /**
     * millisecond
     */
    public static final int MIN_CONFIG_LONG_POLL_TIMEOUT = 10000;

    /**
     * millisecond
     */
    public static final int CONFIG_RETRY_TIME = 2000;

    /**
     * Maximum number of retries
     */
    public static final int MAX_RETRY = 3;

    /**
     * millisecond
     */
    public static final int RECV_WAIT_TIMEOUT = ONCE_TIMEOUT * 5;

    public static final String ENCODE = "UTF-8";

    public static final String MAP_FILE = "map-file.js";

    public static final int FLOW_CONTROL_THRESHOLD = 20;

    public static final int FLOW_CONTROL_SLOT = 10;

    public static final int FLOW_CONTROL_INTERVAL = 1000;

    public static final float DEFAULT_PROTECT_THRESHOLD = 0.0F;

    public static final String LINE_SEPARATOR = Character.toString((char) 1);

    public static final String WORD_SEPARATOR = Character.toString((char) 2);

    public static final String LONGPOLLING_LINE_SEPARATOR = "\r\n";

    public static final String CLIENT_APPNAME_HEADER = "Client-AppName";
    public static final String CLIENT_REQUEST_TS_HEADER = "Client-RequestTS";
    public static final String CLIENT_REQUEST_TOKEN_HEADER = "Client-RequestToken";

    public static final int ATOMIC_MAX_SIZE = 1000;

    public static final String NAMING_INSTANCE_ID_SPLITTER = "#";
    public static final int NAMING_INSTANCE_ID_SEG_COUNT = 4;
    public static final String NAMING_HTTP_HEADER_SPILIER = "\\|";

    public static final String DEFAULT_CLUSTER_NAME = "DEFAULT";

    public static final long DEFAULT_HEART_BEAT_TIMEOUT = TimeUnit.SECONDS.toMillis(15);

    public static final long DEFAULT_IP_DELETE_TIMEOUT = TimeUnit.SECONDS.toMillis(30);

    public static final long DEFAULT_HEART_BEAT_INTERVAL = TimeUnit.SECONDS.toMillis(5);

    public static final String DEFAULT_NAMESPACE_ID = "public";

    public static final boolean DEFAULT_USE_CLOUD_NAMESPACE_PARSING = true;

    public static final int WRITE_REDIRECT_CODE = 307;

    public static final String SERVICE_INFO_SPLITER = "@@";

    public static final String NULL_STRING = "null";

    public static final String NUMBER_PATTERN = "^\\d+$";
}