Package org.apache.hadoop.hdfs.net

Class TcpPeerServer

java.lang.Object

org.apache.hadoop.hdfs.net.TcpPeerServer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, PeerServer

@Private
public class TcpPeerServer
extends java.lang.Object
implements PeerServer

Constructor Summary

Constructors

Constructor	Description
TcpPeerServer(int socketWriteTimeout, java.net.InetSocketAddress bindAddr, int backlogLength)	Create a non-secure TcpPeerServer.
TcpPeerServer(SecureDataNodeStarter.SecureResources secureResources)	Create a secure TcpPeerServer.

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.hdfs.net.Peer	accept()	Listens for a connection to be made to this server and accepts it.
void	close()	Free the resources associated with this peer server.
java.lang.String	getListeningString()
int	getReceiveBufferSize()	Get the receive buffer size of the PeerServer.
java.net.InetSocketAddress	getStreamingAddr()
void	setReceiveBufferSize(int size)	Set the receive buffer size of the PeerServer.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TcpPeerServer

public TcpPeerServer(int socketWriteTimeout,
                     java.net.InetSocketAddress bindAddr,
                     int backlogLength)
              throws java.io.IOException

Create a non-secure TcpPeerServer.

Parameters:

socketWriteTimeout - The Socket write timeout in ms.

bindAddr - The address to bind to.

backlogLength - The length of the tcp accept backlog

Throws:

java.io.IOException

TcpPeerServer

public TcpPeerServer(SecureDataNodeStarter.SecureResources secureResources)

Create a secure TcpPeerServer.

Parameters:

secureResources - Security resources.

Method Detail

getStreamingAddr

public java.net.InetSocketAddress getStreamingAddr()

Returns:

the IP address which this TcpPeerServer is listening on.

setReceiveBufferSize

public void setReceiveBufferSize(int size)
                          throws java.io.IOException

Description copied from interface: PeerServer

Set the receive buffer size of the PeerServer.

Specified by:

setReceiveBufferSize in interface PeerServer

Parameters:

size - The receive buffer size.

Throws:

java.io.IOException

getReceiveBufferSize

public int getReceiveBufferSize()
                         throws java.io.IOException

Description copied from interface: PeerServer

Get the receive buffer size of the PeerServer.

Specified by:

getReceiveBufferSize in interface PeerServer

Returns:

The receive buffer size.

Throws:

java.io.IOException

accept

public org.apache.hadoop.hdfs.net.Peer accept()
                                       throws java.io.IOException,
                                              java.net.SocketTimeoutException

Description copied from interface: PeerServer

Listens for a connection to be made to this server and accepts it. The method blocks until a connection is made.

Specified by:

accept in interface PeerServer

Throws:

java.io.IOException - if an I/O error occurs when waiting for a connection.

java.net.SocketTimeoutException - if a timeout was previously set and the timeout has been reached.

getListeningString

public java.lang.String getListeningString()

Specified by:

getListeningString in interface PeerServer

Returns:

A string representation of the address we're listening on.

close

public void close()
           throws java.io.IOException

Description copied from interface: PeerServer

Free the resources associated with this peer server. This normally includes sockets, etc.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface PeerServer

Throws:

java.io.IOException - If there is an error closing the PeerServer

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object