org.hdl.tensorflow.yarn.rpc.impl.TFApplicationRpcServer.java Source code

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Here is the source code for org.hdl.tensorflow.yarn.rpc.impl.TFApplicationRpcServer.java

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/*
 * Licensed 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.hdl.tensorflow.yarn.rpc.impl;

import org.hdl.tensorflow.yarn.rpc.GetClusterSpecRequest;
import org.hdl.tensorflow.yarn.rpc.GetClusterSpecResponse;
import org.hdl.tensorflow.yarn.rpc.TFApplicationRpc;
import org.hdl.tensorflow.yarn.rpc.TensorFlowCluster;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ipc.Server;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.ipc.YarnRPC;

import java.io.IOException;
import java.net.InetSocketAddress;

public class TFApplicationRpcServer extends Thread implements TensorFlowCluster {
    private static final RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null);
    private final int rpcPort;
    private final String rpcAddress;
    private final TFApplicationRpc appRpc;

    public TFApplicationRpcServer(String hostname, TFApplicationRpc rpc) {
        this.rpcAddress = hostname;
        this.rpcPort = 10000 + ((int) (Math.random() * (5000)) + 1);
        this.appRpc = rpc;
    }

    @Override
    public GetClusterSpecResponse getClusterSpec(GetClusterSpecRequest request) throws YarnException, IOException {
        GetClusterSpecResponse response = recordFactory.newRecordInstance(GetClusterSpecResponse.class);
        response.setClusterSpec(this.appRpc.getClusterSpec());
        return response;
    }

    public int getRpcPort() {
        return rpcPort;
    }

    @Override
    public void run() {
        Configuration conf = new Configuration();
        YarnRPC rpc = YarnRPC.create(conf);
        InetSocketAddress address = new InetSocketAddress(rpcAddress, rpcPort);
        Server server = rpc.getServer(TensorFlowCluster.class, this, address, conf, null,
                conf.getInt(YarnConfiguration.RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT,
                        YarnConfiguration.DEFAULT_RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT));

        server.start();
    }
}