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1   /*
2    * Copyright 2021 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.handler.codec.mqtt;
17  
18  public final class MqttConstant {
19  
20      private MqttConstant() {
21      }
22  
23      /**
24       * Default max bytes in message
25       */
26      public static final int DEFAULT_MAX_BYTES_IN_MESSAGE = 8092;
27  
28      /**
29       * min client id length
30       */
31      public static final int MIN_CLIENT_ID_LENGTH = 1;
32  
33      /**
34       * Default max client id length,In the mqtt3.1 protocol,
35       * the default maximum Client Identifier length is 23
36       */
37      public static final int DEFAULT_MAX_CLIENT_ID_LENGTH = 23;
38  
39  }