Java WritableRpcEngine类代码示例

import org.apache.hadoop.ipc.WritableRpcEngine; //导入依赖的package包/类
@Override
public void serviceInit(Configuration conf) throws Exception {
  RPC.setProtocolEngine(conf, RefreshUserMappingsProtocolPB.class,
      ProtobufRpcEngine.class);

  RefreshUserMappingsProtocolServerSideTranslatorPB refreshUserMappingXlator = new RefreshUserMappingsProtocolServerSideTranslatorPB(
      this);
  BlockingService refreshUserMappingService = RefreshUserMappingsProtocolService
      .newReflectiveBlockingService(refreshUserMappingXlator);

  GetUserMappingsProtocolServerSideTranslatorPB getUserMappingXlator = new GetUserMappingsProtocolServerSideTranslatorPB(
      this);
  BlockingService getUserMappingService = GetUserMappingsProtocolService
      .newReflectiveBlockingService(getUserMappingXlator);

  HSAdminRefreshProtocolServerSideTranslatorPB refreshHSAdminProtocolXlator = new HSAdminRefreshProtocolServerSideTranslatorPB(
      this);
  BlockingService refreshHSAdminProtocolService = HSAdminRefreshProtocolService
      .newReflectiveBlockingService(refreshHSAdminProtocolXlator);

  WritableRpcEngine.ensureInitialized();

  clientRpcAddress = conf.getSocketAddr(JHAdminConfig.JHS_ADMIN_ADDRESS,
      JHAdminConfig.DEFAULT_JHS_ADMIN_ADDRESS,
      JHAdminConfig.DEFAULT_JHS_ADMIN_PORT);
  clientRpcServer = new RPC.Builder(conf)
      .setProtocol(RefreshUserMappingsProtocolPB.class)
      .setInstance(refreshUserMappingService)
      .setBindAddress(clientRpcAddress.getHostName())
      .setPort(clientRpcAddress.getPort()).setVerbose(false).build();

  addProtocol(conf, GetUserMappingsProtocolPB.class, getUserMappingService);
  addProtocol(conf, HSAdminRefreshProtocolPB.class,
      refreshHSAdminProtocolService);

  adminAcl = new AccessControlList(conf.get(JHAdminConfig.JHS_ADMIN_ACL,
      JHAdminConfig.DEFAULT_JHS_ADMIN_ACL));

}
 

import org.apache.hadoop.ipc.WritableRpcEngine; //导入依赖的package包/类
@Override
public void serviceInit(Configuration conf) throws Exception {
  RPC.setProtocolEngine(conf, RefreshUserMappingsProtocolPB.class,
      ProtobufRpcEngine.class);

  RefreshUserMappingsProtocolServerSideTranslatorPB refreshUserMappingXlator = new RefreshUserMappingsProtocolServerSideTranslatorPB(
      this);
  BlockingService refreshUserMappingService = RefreshUserMappingsProtocolService
      .newReflectiveBlockingService(refreshUserMappingXlator);

  GetUserMappingsProtocolServerSideTranslatorPB getUserMappingXlator = new GetUserMappingsProtocolServerSideTranslatorPB(
      this);
  BlockingService getUserMappingService = GetUserMappingsProtocolService
      .newReflectiveBlockingService(getUserMappingXlator);

  HSAdminRefreshProtocolServerSideTranslatorPB refreshHSAdminProtocolXlator = new HSAdminRefreshProtocolServerSideTranslatorPB(
      this);
  BlockingService refreshHSAdminProtocolService = HSAdminRefreshProtocolService
      .newReflectiveBlockingService(refreshHSAdminProtocolXlator);

  WritableRpcEngine.ensureInitialized();

  clientRpcAddress = conf.getSocketAddr(
      JHAdminConfig.MR_HISTORY_BIND_HOST,
      JHAdminConfig.JHS_ADMIN_ADDRESS,
      JHAdminConfig.DEFAULT_JHS_ADMIN_ADDRESS,
      JHAdminConfig.DEFAULT_JHS_ADMIN_PORT);
  clientRpcServer = new RPC.Builder(conf)
      .setProtocol(RefreshUserMappingsProtocolPB.class)
      .setInstance(refreshUserMappingService)
      .setBindAddress(clientRpcAddress.getHostName())
      .setPort(clientRpcAddress.getPort()).setVerbose(false).build();

  addProtocol(conf, GetUserMappingsProtocolPB.class, getUserMappingService);
  addProtocol(conf, HSAdminRefreshProtocolPB.class,
      refreshHSAdminProtocolService);

  // Enable service authorization?
  if (conf.getBoolean(
      CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHORIZATION,
      false)) {
    clientRpcServer.refreshServiceAcl(conf, new ClientHSPolicyProvider());
  }

  adminAcl = new AccessControlList(conf.get(JHAdminConfig.JHS_ADMIN_ACL,
      JHAdminConfig.DEFAULT_JHS_ADMIN_ACL));

}
 

import org.apache.hadoop.ipc.WritableRpcEngine; //导入依赖的package包/类
public void start() throws IOException {

    Configuration jtConf = new Configuration(conf);
    String logicalName = HAUtil.getLogicalName(jtConf);
    String jtId = HAUtil.getJobTrackerId(jtConf);
    HAUtil.setGenericConf(jtConf, logicalName, jtId, HAUtil.JOB_TRACKER_SPECIFIC_KEYS);

    // Login HA daemon, if auth is not kerberos login() is a NOP
    InetSocketAddress addr = HAUtil.getJtHaRpcAddress(conf, jtId);
    String localMachine = addr.getHostName();
    UserGroupInformation.setConfiguration(conf);
    SecurityUtil.login(conf, JobTracker.JT_KEYTAB_FILE, JobTracker.JT_USER_NAME, localMachine);
    
    // To avoid the JT from doing a new login() as re-login seems to be destructive
    JobTracker.loggedIn = true;
    
    //Using a thread outside of all login context to start/stop the JT
    //otherwise the credentials of the UGI making the RPC call to activate
    //get in the way breaking things.
    jtRunner = new JobTrackerRunner();
    jtRunner.start();
            
    this.proto = new JobTrackerHAServiceProtocol(jtConf, jtRunner);
    
    RPC.setProtocolEngine(conf, HAServiceProtocolPB.class,
        ProtobufRpcEngine.class);
    
    HAServiceProtocolServerSideTranslatorPB haServiceProtocolXlator = 
      new HAServiceProtocolServerSideTranslatorPB(proto);
    BlockingService haPbService = HAServiceProtocolService
        .newReflectiveBlockingService(haServiceProtocolXlator);
    
    WritableRpcEngine.ensureInitialized();
    
    InetSocketAddress rpcAddr = HAUtil.getJtHaRpcAddress(conf);

    this.rpcServer = RPC.getServer(HAServiceProtocolPB.class, haPbService,
        rpcAddr.getHostName(), rpcAddr.getPort(), conf);

    // set service-level authorization security policy
    if (conf.getBoolean(
        CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, false)) {
      rpcServer.refreshServiceAcl(conf, new MapReducePolicyProvider());
    }

    this.rpcServer.start();
    
    // set port in config
    int port = rpcServer.getListenerAddress().getPort();
    HAUtil.setJtHaRpcAddress(conf, rpcAddr.getHostName() + ":" + port);
    LOG.info("Started " + getClass().getSimpleName() + " on port " + port);
  }
 

import org.apache.hadoop.ipc.WritableRpcEngine; //导入依赖的package包/类
@Override
public void serviceInit(Configuration conf) throws Exception {
  RPC.setProtocolEngine(conf, RefreshUserMappingsProtocolPB.class,
      ProtobufRpcEngine.class);

  RefreshUserMappingsProtocolServerSideTranslatorPB refreshUserMappingXlator = new RefreshUserMappingsProtocolServerSideTranslatorPB(
      this);
  BlockingService refreshUserMappingService = RefreshUserMappingsProtocolService
      .newReflectiveBlockingService(refreshUserMappingXlator);

  GetUserMappingsProtocolServerSideTranslatorPB getUserMappingXlator = new GetUserMappingsProtocolServerSideTranslatorPB(
      this);
  BlockingService getUserMappingService = GetUserMappingsProtocolService
      .newReflectiveBlockingService(getUserMappingXlator);

  HSAdminRefreshProtocolServerSideTranslatorPB refreshHSAdminProtocolXlator = new HSAdminRefreshProtocolServerSideTranslatorPB(
      this);
  BlockingService refreshHSAdminProtocolService = HSAdminRefreshProtocolService
      .newReflectiveBlockingService(refreshHSAdminProtocolXlator);

  WritableRpcEngine.ensureInitialized();

  clientRpcAddress = conf.getSocketAddr(
      JHAdminConfig.MR_HISTORY_BIND_HOST,
      JHAdminConfig.JHS_ADMIN_ADDRESS,
      JHAdminConfig.DEFAULT_JHS_ADMIN_ADDRESS,
      JHAdminConfig.DEFAULT_JHS_ADMIN_PORT);
  clientRpcServer = new RPC.Builder(conf)
      .setProtocol(RefreshUserMappingsProtocolPB.class)
      .setInstance(refreshUserMappingService)
      .setBindAddress(clientRpcAddress.getHostName())
      .setPort(clientRpcAddress.getPort()).setVerbose(false).build();

  addProtocol(conf, GetUserMappingsProtocolPB.class, getUserMappingService);
  addProtocol(conf, HSAdminRefreshProtocolPB.class,
      refreshHSAdminProtocolService);

  adminAcl = new AccessControlList(conf.get(JHAdminConfig.JHS_ADMIN_ACL,
      JHAdminConfig.DEFAULT_JHS_ADMIN_ACL));

}