spark TransportServerBootstrap 源码
spark TransportServerBootstrap 代码
文件路径：/common/network-common/src/main/java/org/apache/spark/network/server/TransportServerBootstrap.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.spark.network.server;
import io.netty.channel.Channel;
/**
* A bootstrap which is executed on a TransportServer's client channel once a client connects
* to the server. This allows customizing the client channel to allow for things such as SASL
* authentication.
*/
public interface TransportServerBootstrap {
/**
* Customizes the channel to include new features, if needed.
*
* @param channel The connected channel opened by the client.
* @param rpcHandler The RPC handler for the server.
* @return The RPC handler to use for the channel.
*/
RpcHandler doBootstrap(Channel channel, RpcHandler rpcHandler);
}
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