org.yamcs.tctm

Class CcsdsPacketInputStream

java.lang.Object

org.yamcs.tctm.CcsdsPacketInputStream

All Implemented Interfaces:

PacketInputStream

public class CcsdsPacketInputStream
extends Object
implements PacketInputStream

Reads CCSDS packets from an input stream: first it reads 6 bytes primary header, it derives the length from the last two bytes and reads the remaining of the data. It also support a maxLength property to limit the size of the packet that is being read.

Author:

nm

Constructor Summary

Constructors

Constructor and Description
CcsdsPacketInputStream(InputStream inputStream)
CcsdsPacketInputStream(InputStream inputStream, Map<String,Object> args)

Method Summary

Modifier and Type	Method and Description
byte[]	readPacket() read the next packet - blocking if necessary until all the data is available.

Methods inherited from class java.lang.Object

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

Constructor Detail

CcsdsPacketInputStream

public CcsdsPacketInputStream(InputStream inputStream,
                              Map<String,Object> args)

CcsdsPacketInputStream

public CcsdsPacketInputStream(InputStream inputStream)

Method Detail

readPacket

public byte[] readPacket()
                  throws IOException

Description copied from interface: PacketInputStream

read the next packet - blocking if necessary until all the data is available.

Specified by:

readPacket in interface PacketInputStream

Returns:

the next packet read from the input stream.

Throws:

EOFException - if this input stream reaches the end before reading eight bytes.

IOException - an I/O error has occurred