io.aeron.samples

Class FileSender

java.lang.Object

io.aeron.samples.FileSender

public class FileSender
extends Object

Sends a large file in chunks to a FileReceiver.

Protocol is to send a file-create followed by 1 or more file-chunk messages that are all linked via the correlation id. Messages are encoded in ByteOrder.LITTLE_ENDIAN.

The chunk size if best determined by Publication.maxPayloadLength() minus header for the chunk. file-create

   0                   1                   2                   3
   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                          Version                              |
  +---------------------------------------------------------------+
  |                      Message Type = 1                         |
  +---------------------------------------------------------------+
  |                       Correlation ID                          |
  |                                                               |
  +---------------------------------------------------------------+
  |                        File Length                            |
  |                                                               |
  +---------------------------------------------------------------+
  |                      File Name Length                         |
  +---------------------------------------------------------------+
  |                         File Name                            ...
 ...                                                              |
  +---------------------------------------------------------------+
 

file-chunk

   0                   1                   2                   3
   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                          Version                              |
  +---------------------------------------------------------------+
  |                      Message Type = 2                         |
  +---------------------------------------------------------------+
  |                       Correlation ID                          |
  |                                                               |
  +---------------------------------------------------------------+
  |                        Chunk Offset                           |
  |                                                               |
  +---------------------------------------------------------------+
  |                        Chunk Length                           |
  |                                                               |
  +---------------------------------------------------------------+
  |                        Chunk Payload                         ...
 ...                                                              |
  +---------------------------------------------------------------+
 

Constructor Summary

Constructors

Constructor and Description
FileSender()

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args) Main method for launching the process.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSender

public FileSender()

Method Detail

main

public static void main(String[] args)
                 throws InterruptedException

Main method for launching the process.

Parameters:

args - passed to the process.

Throws:

InterruptedException - if the thread is interrupted when sleeping.