com.emc.ecs.nfsclient.nfs

Class NfsReadResponse

java.lang.Object

com.emc.ecs.nfsclient.rpc.RpcResponse

com.emc.ecs.nfsclient.nfs.NfsResponseBase

com.emc.ecs.nfsclient.nfs.NfsReadResponse

Direct Known Subclasses:

Nfs3ReadResponse

public class NfsReadResponse
extends NfsResponseBase

The response, as specified by RFC 1813 (https://tools.ietf.org/html/rfc1813).

Procedure READ reads data from a file.

Field Summary

Fields inherited from class com.emc.ecs.nfsclient.rpc.RpcResponse

_xid

Constructor Summary

Constructors

Constructor and Description
NfsReadResponse(byte[] bytes, int position, int nfsVersion) Creates the response, as specified by RFC 1813 (https://tools.ietf.org/html/rfc1813).

Method Summary

Modifier and Type	Method and Description
byte[]	getBytes()
int	getBytesRead()
boolean	isEof()
void	unmarshalling(Xdr xdr) Load this structure from the response data, as specified by RFC 1831 (https://tools.ietf.org/html/rfc1831).

Methods inherited from class com.emc.ecs.nfsclient.nfs.NfsResponseBase

getAttributes, getFileHandle, getState, makeNfsGetAttributes, makeNfsGetAttributes, stateIsOk, toString, unmarshallingAttributes, unmarshallingAttributes, unmarshallingFileHandle, unmarshallingFileHandle

Methods inherited from class com.emc.ecs.nfsclient.rpc.RpcResponse

getAcceptStatus, getDirection, getRejectStatus, getReplyStatus, getXid

Methods inherited from class java.lang.Object

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

Constructor Detail

NfsReadResponse

public NfsReadResponse(byte[] bytes,
                       int position,
                       int nfsVersion)

Creates the response, as specified by RFC 1813 (https://tools.ietf.org/html/rfc1813).

Procedure READ reads data from a file.

Parameters:

bytes - the buffer for storing bytes

position - the beginning position of buffer to store bytes

nfsVersion - The NFS version number. This is ignored for now, as only NFSv3 is supported, but is included to allow future support for other versions.

Method Detail

unmarshalling

public void unmarshalling(Xdr xdr)
                   throws RpcException

Description copied from class: RpcResponse

Load this structure from the response data, as specified by RFC 1831 (https://tools.ietf.org/html/rfc1831).

Overrides:

unmarshalling in class NfsResponseBase

Parameters:

xdr - The xdr response data.

Throws:

RpcException

getBytesRead

public int getBytesRead()

Returns:

The number read.

isEof

public boolean isEof()

Returns:

• true if the end of file is reached.
• false otherwise.

getBytes

public byte[] getBytes()

Returns:

The buffer, or null if there was none.