Java Code Examples for org.apache.hadoop.net.NetUtils.getLocalInetAddress()

The following are Jave code examples for showing how to use getLocalInetAddress() of the org.apache.hadoop.net.NetUtils class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
Example 1
Project: hadoop-oss   File: Client.java   Source Code and License Vote up 4 votes
private synchronized void setupConnection() throws IOException {
  short ioFailures = 0;
  short timeoutFailures = 0;
  while (true) {
    try {
      this.socket = socketFactory.createSocket();
      this.socket.setTcpNoDelay(tcpNoDelay);
      this.socket.setKeepAlive(true);
      
      if (tcpLowLatency) {
        /*
         * This allows intermediate switches to shape IPC traffic
         * differently from Shuffle/HDFS DataStreamer traffic.
         *
         * IPTOS_RELIABILITY (0x04) | IPTOS_LOWDELAY (0x10)
         *
         * Prefer to optimize connect() speed & response latency over net
         * throughput.
         */
        this.socket.setTrafficClass(0x04 | 0x10);
        this.socket.setPerformancePreferences(1, 2, 0);
      }

      /*
       * Bind the socket to the host specified in the principal name of the
       * client, to ensure Server matching address of the client connection
       * to host name in principal passed.
       */
      UserGroupInformation ticket = remoteId.getTicket();
      if (ticket != null && ticket.hasKerberosCredentials()) {
        KerberosInfo krbInfo = 
          remoteId.getProtocol().getAnnotation(KerberosInfo.class);
        if (krbInfo != null && krbInfo.clientPrincipal() != null) {
          String host = 
            SecurityUtil.getHostFromPrincipal(remoteId.getTicket().getUserName());
          
          // If host name is a valid local address then bind socket to it
          InetAddress localAddr = NetUtils.getLocalInetAddress(host);
          if (localAddr != null) {
            this.socket.setReuseAddress(true);
            this.socket.bind(new InetSocketAddress(localAddr, 0));
          }
        }
      }
      
      NetUtils.connect(this.socket, server, connectionTimeout);
      if (rpcTimeout > 0) {
        pingInterval = rpcTimeout;  // rpcTimeout overwrites pingInterval
      }
      this.socket.setSoTimeout(pingInterval);
      return;
    } catch (ConnectTimeoutException toe) {
      /* Check for an address change and update the local reference.
       * Reset the failure counter if the address was changed
       */
      if (updateAddress()) {
        timeoutFailures = ioFailures = 0;
      }
      handleConnectionTimeout(timeoutFailures++,
          maxRetriesOnSocketTimeouts, toe);
    } catch (IOException ie) {
      if (updateAddress()) {
        timeoutFailures = ioFailures = 0;
      }
      handleConnectionFailure(ioFailures++, ie);
    }
  }
}
 
Example 2
Project: hadoop   File: Client.java   Source Code and License Vote up 4 votes
private synchronized void setupConnection() throws IOException {
  short ioFailures = 0;
  short timeoutFailures = 0;
  while (true) {
    try {
      this.socket = socketFactory.createSocket();
      this.socket.setTcpNoDelay(tcpNoDelay);
      this.socket.setKeepAlive(true);
      
      /*
       * Bind the socket to the host specified in the principal name of the
       * client, to ensure Server matching address of the client connection
       * to host name in principal passed.
       */
      UserGroupInformation ticket = remoteId.getTicket();
      if (ticket != null && ticket.hasKerberosCredentials()) {
        KerberosInfo krbInfo = 
          remoteId.getProtocol().getAnnotation(KerberosInfo.class);
        if (krbInfo != null && krbInfo.clientPrincipal() != null) {
          String host = 
            SecurityUtil.getHostFromPrincipal(remoteId.getTicket().getUserName());
          
          // If host name is a valid local address then bind socket to it
          InetAddress localAddr = NetUtils.getLocalInetAddress(host);
          if (localAddr != null) {
            this.socket.bind(new InetSocketAddress(localAddr, 0));
          }
        }
      }
      
      NetUtils.connect(this.socket, server, connectionTimeout);
      if (rpcTimeout > 0) {
        pingInterval = rpcTimeout;  // rpcTimeout overwrites pingInterval
      }
      this.socket.setSoTimeout(pingInterval);
      return;
    } catch (ConnectTimeoutException toe) {
      /* Check for an address change and update the local reference.
       * Reset the failure counter if the address was changed
       */
      if (updateAddress()) {
        timeoutFailures = ioFailures = 0;
      }
      handleConnectionTimeout(timeoutFailures++,
          maxRetriesOnSocketTimeouts, toe);
    } catch (IOException ie) {
      if (updateAddress()) {
        timeoutFailures = ioFailures = 0;
      }
      handleConnectionFailure(ioFailures++, ie);
    }
  }
}