org.apache.hadoop.hdfs.nfs.mount

Class RpcProgramMountd

java.lang.Object

org.jboss.netty.channel.SimpleChannelUpstreamHandler

org.apache.hadoop.oncrpc.RpcProgram

org.apache.hadoop.hdfs.nfs.mount.RpcProgramMountd

All Implemented Interfaces:

MountInterface, org.jboss.netty.channel.ChannelHandler, org.jboss.netty.channel.ChannelUpstreamHandler

public class RpcProgramMountd
extends RpcProgram
implements MountInterface

RPC program corresponding to mountd daemon. See Mountd.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.mount.MountInterface

MountInterface.MNTPROC

Nested classes/interfaces inherited from interface org.jboss.netty.channel.ChannelHandler

org.jboss.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field and Description
static int	PORT
static int	PROGRAM
static int	VERSION_1
static int	VERSION_2
static int	VERSION_3

Fields inherited from class org.apache.hadoop.oncrpc.RpcProgram

RPCB_PORT

Constructor Summary

Constructors

Constructor and Description
RpcProgramMountd()
RpcProgramMountd(List<String> exports)
RpcProgramMountd(List<String> exports, Configuration config)

Method Summary

Methods

Modifier and Type	Method and Description
XDR	dump(XDR out, int xid, InetAddress client) MNTPROC_DUMP - Return mount entries
void	handleInternal(org.jboss.netty.channel.ChannelHandlerContext ctx, RpcInfo info)
protected boolean	isIdempotent(RpcCall call)
XDR	mnt(XDR xdr, XDR out, int xid, InetAddress client) MNTPROC_MNT - Add mount entry
XDR	nullOp(XDR out, int xid, InetAddress client) MNTPROC_NULL - Do Nothing
XDR	umnt(XDR xdr, XDR out, int xid, InetAddress client) MNTPROC_UMNT - Remove mount entry
XDR	umntall(XDR out, int xid, InetAddress client) MNTPROC_UMNTALL - Remove all mount entries

Methods inherited from class org.apache.hadoop.oncrpc.RpcProgram

getPort, messageReceived, register, register, toString

Methods inherited from class org.jboss.netty.channel.SimpleChannelUpstreamHandler

channelBound, channelClosed, channelConnected, channelDisconnected, channelInterestChanged, channelOpen, channelUnbound, childChannelClosed, childChannelOpen, exceptionCaught, handleUpstream, writeComplete

Methods inherited from class java.lang.Object

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

Field Detail

PROGRAM

public static final int PROGRAM

See Also:

Constant Field Values

VERSION_1

public static final int VERSION_1

See Also:

Constant Field Values

VERSION_2

public static final int VERSION_2

See Also:

Constant Field Values

VERSION_3

public static final int VERSION_3

See Also:

Constant Field Values

PORT

public static final int PORT

See Also:

Constant Field Values

Constructor Detail

RpcProgramMountd

public RpcProgramMountd()
                 throws IOException

Throws:

IOException

RpcProgramMountd

public RpcProgramMountd(List<String> exports)
                 throws IOException

Throws:

IOException

RpcProgramMountd

public RpcProgramMountd(List<String> exports,
                Configuration config)
                 throws IOException

Throws:

IOException

Method Detail

nullOp

public XDR nullOp(XDR out,
         int xid,
         InetAddress client)

Description copied from interface: MountInterface

MNTPROC_NULL - Do Nothing

Specified by:

nullOp in interface MountInterface

mnt

public XDR mnt(XDR xdr,
      XDR out,
      int xid,
      InetAddress client)

Description copied from interface: MountInterface

MNTPROC_MNT - Add mount entry

Specified by:

mnt in interface MountInterface

dump

public XDR dump(XDR out,
       int xid,
       InetAddress client)

Description copied from interface: MountInterface

MNTPROC_DUMP - Return mount entries

Specified by:

dump in interface MountInterface

umnt

public XDR umnt(XDR xdr,
       XDR out,
       int xid,
       InetAddress client)

Description copied from interface: MountInterface

MNTPROC_UMNT - Remove mount entry

Specified by:

umnt in interface MountInterface

umntall

public XDR umntall(XDR out,
          int xid,
          InetAddress client)

Description copied from interface: MountInterface

MNTPROC_UMNTALL - Remove all mount entries

Specified by:

umntall in interface MountInterface

handleInternal

public void handleInternal(org.jboss.netty.channel.ChannelHandlerContext ctx,
                  RpcInfo info)

Specified by:

handleInternal in class RpcProgram

isIdempotent

protected boolean isIdempotent(RpcCall call)

Specified by:

isIdempotent in class RpcProgram