Package uk.ac.manchester.spinnaker.protocols.download

Class Downloader

java.lang.Object

uk.ac.manchester.spinnaker.protocols.download.Downloader

All Implemented Interfaces:

AutoCloseable

public class Downloader
extends Object
implements AutoCloseable

Class used to manage a download. Every instance must only ever be used from one thread.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final Logger	log	Logger for the gatherer.

Constructor Summary

Constructors

Constructor	Description
Downloader(IPTag iptag)	Create an instance.

Method Summary

Modifier and Type	Method	Description
void	close()
ByteBuffer	doDownload(HasCoreLocation monitorCore, MemoryLocation address, int size)	Do the downloading.
void	reuse()	Prepare to reuse the downloader.

Methods inherited from class java.lang.Object

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

Field Details

log

protected static final Logger log

Logger for the gatherer.

Constructor Details

Downloader

@MustBeClosed
public Downloader(IPTag iptag)
           throws IOException,
ProcessException,
InterruptedException

Create an instance.

Parameters:

iptag - The tag to reprogram to talk to this connection.

Throws:

IOException - If IO fails.

ProcessException - If SpiNNaker rejects the reprogramming.

InterruptedException - If communications are interrupted.

Method Details

reuse

public void reuse()
           throws IOException,
ProcessException,
InterruptedException

Prepare to reuse the downloader.

Throws:

IOException - If IO fails.

ProcessException - If SpiNNaker rejects the reprogramming.

InterruptedException - If communications are interrupted.

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Throws:

IOException

doDownload

public ByteBuffer doDownload(HasCoreLocation monitorCore,
 MemoryLocation address,
 int size)
                      throws IOException,
ProcessException,
InterruptedException

Do the downloading.

Parameters:

monitorCore - The core to download from.

address - The address to download from.

size - The size of the download.

Returns:

The downloaded data, or null if an unrecoverable error occurred.

Throws:

IOException - If anything unexpected goes wrong.

ProcessException - If anything unexpected goes wrong.

InterruptedException - If communications are interrupted.