org.dcache.xrootd.protocol.messages

Class ZeroCopyReadResponse

java.lang.Object

org.dcache.xrootd.protocol.messages.ZeroCopyReadResponse

All Implemented Interfaces:

XrootdResponse<ReadRequest>

public class ZeroCopyReadResponse
extends Object
implements XrootdResponse<ReadRequest>

Constructor Summary

Constructors

Constructor and Description
ZeroCopyReadResponse(ReadRequest request, FileChannel file)

Method Summary

Modifier and Type	Method and Description
int	getDataLength() Returns the length of the response body.
ReadRequest	getRequest() Returns the request this is a response to.
int	getStatus() The xrootd response status code.
String	toString()
void	writeTo(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.ChannelPromise promise) Writes the encoded message to the given channel context.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZeroCopyReadResponse

public ZeroCopyReadResponse(ReadRequest request,
                            FileChannel file)
                     throws IOException

Throws:

IOException

Method Detail

getRequest

public ReadRequest getRequest()

Description copied from interface: XrootdResponse

Returns the request this is a response to.

Specified by:

getRequest in interface XrootdResponse<ReadRequest>

getStatus

public int getStatus()

Description copied from interface: XrootdResponse

The xrootd response status code.

Specified by:

getStatus in interface XrootdResponse<ReadRequest>

getDataLength

public int getDataLength()

Description copied from interface: XrootdResponse

Returns the length of the response body. This is the value of the dlen field in the Xrootd Server Response Format. This does not include the length of the 8 byte header.

Specified by:

getDataLength in interface XrootdResponse<ReadRequest>

writeTo

public void writeTo(io.netty.channel.ChannelHandlerContext ctx,
                    io.netty.channel.ChannelPromise promise)

Description copied from interface: XrootdResponse

Writes the encoded message to the given channel context. Does not flush the channel. This is a destructive call and must at most be called once. Decreases the reference count by 1 and deallocates this object if the reference count reaches 0.

Specified by:

writeTo in interface XrootdResponse<ReadRequest>

toString

public String toString()

Overrides:

toString in class Object