/*
    * Copyright 2020 The Netty Project
    *
    * The Netty Project licenses this file to you 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:
    *
    *   https://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 io.netty.handler.codec.quic;
  
  import io.netty.util.internal.ObjectUtil;
  
  /**
   * Used when the remote peer supports the
   * <a href="https://tools.ietf.org/html/draft-ietf-quic-datagram-01">QUIC DATAGRAM extension.</a>
   */
  public final class QuicDatagramExtensionEvent implements QuicExtensionEvent {
  
      private final int maxLength;
  
      QuicDatagramExtensionEvent(int maxLength) {
          this.maxLength = ObjectUtil.checkPositiveOrZero(maxLength, "maxLength");
      }
  
      /**
       * The maximum datagram payload length the peer will accept. If you try to write bigger datagrams the write will
       * fail.
       *
       * @return the max length.
       */
      public int maxLength() {
          return maxLength;
      }
  
      @Override
      public String toString() {
          return "QuicDatagramExtensionEvent{" +
                  "maxLength=" + maxLength +
                  '}';
      }
  }