spark SaslServerBootstrap 源码
spark SaslServerBootstrap 代码
文件路径：/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslServerBootstrap.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.sasl;
import io.netty.channel.Channel;
import org.apache.spark.network.server.RpcHandler;
import org.apache.spark.network.server.TransportServerBootstrap;
import org.apache.spark.network.util.TransportConf;
/**
* 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 class SaslServerBootstrap implements TransportServerBootstrap {
private final TransportConf conf;
private final SecretKeyHolder secretKeyHolder;
public SaslServerBootstrap(TransportConf conf, SecretKeyHolder secretKeyHolder) {
this.conf = conf;
this.secretKeyHolder = secretKeyHolder;
}
/**
* Wrap the given application handler in a SaslRpcHandler that will handle the initial SASL
* negotiation.
*/
@Override
public RpcHandler doBootstrap(Channel channel, RpcHandler rpcHandler) {
return new SaslRpcHandler(conf, channel, rpcHandler, secretKeyHolder);
}
}
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