dubbo H2TransportListener 源码

  • 2022-10-20
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dubbo H2TransportListener 代码

文件路径:/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/transport/H2TransportListener.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *     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 org.apache.dubbo.rpc.protocol.tri.transport;

import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.http2.Http2Headers;

/**
 * An observer used for transport messaging which provides full streaming support. A
 * TransportObserver receives raw data or control messages from local/remote.
 */
public interface H2TransportListener {

    /**
     * Transport metadata
     *
     * @param headers   metadata KV paris
     * @param endStream whether this data should terminate the stream
     */
    void onHeader(Http2Headers headers, boolean endStream);

    /**
     * Transport data
     *
     * @param data      raw byte array
     * @param endStream whether this data should terminate the stream
     */
    void onData(ByteBuf data, boolean endStream);


    void cancelByRemote(long errorCode);

}

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