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An open source implementation of the Distributed Interactive Simulation (DIS) IEEE-1278 protocol
package edu.nps.moves.dismobile;
import java.util.*;
import java.io.*;
import edu.nps.moves.disenum.*;
import edu.nps.moves.disutil.*;
/**
* Section 5.3.8.4. Actual transmission of intercome voice data. COMPLETE
*
* Copyright (c) 2008-2010, MOVES Institute, Naval Postgraduate School. All rights reserved.
* This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
*
* @author DMcG
*/
public class IntercomSignalPdu extends RadioCommunicationsFamilyPdu implements Serializable
{
/** entity ID */
protected EntityID entityID = new EntityID();
/** ID of communications device */
protected int communicationsDeviceID;
/** encoding scheme */
protected int encodingScheme;
/** tactical data link type */
protected int tdlType;
/** sample rate */
protected long sampleRate;
/** data length */
protected int dataLength;
/** samples */
protected int samples;
/** data bytes */
protected List< OneByteChunk> data = new ArrayList();
/** Constructor */
public IntercomSignalPdu()
{
setPduType( (short)31 );
}
public int getMarshalledSize()
{
int marshalSize = 0;
marshalSize = super.getMarshalledSize();
marshalSize = marshalSize + entityID.getMarshalledSize(); // entityID
marshalSize = marshalSize + 2; // communicationsDeviceID
marshalSize = marshalSize + 2; // encodingScheme
marshalSize = marshalSize + 2; // tdlType
marshalSize = marshalSize + 4; // sampleRate
marshalSize = marshalSize + 2; // dataLength
marshalSize = marshalSize + 2; // samples
for(int idx=0; idx < data.size(); idx++)
{
OneByteChunk listElement = data.get(idx);
marshalSize = marshalSize + listElement.getMarshalledSize();
}
return marshalSize;
}
public void setEntityID(EntityID pEntityID)
{ entityID = pEntityID;
}
public EntityID getEntityID()
{ return entityID;
}
public void setCommunicationsDeviceID(int pCommunicationsDeviceID)
{ communicationsDeviceID = pCommunicationsDeviceID;
}
public int getCommunicationsDeviceID()
{ return communicationsDeviceID;
}
public void setEncodingScheme(int pEncodingScheme)
{ encodingScheme = pEncodingScheme;
}
public int getEncodingScheme()
{ return encodingScheme;
}
public void setTdlType(int pTdlType)
{ tdlType = pTdlType;
}
public int getTdlType()
{ return tdlType;
}
public void setSampleRate(long pSampleRate)
{ sampleRate = pSampleRate;
}
public long getSampleRate()
{ return sampleRate;
}
public int getDataLength()
{ return (int)data.size();
}
/** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
* The getdataLength method will also be based on the actual list length rather than this value.
* The method is simply here for java bean completeness.
*/
public void setDataLength(int pDataLength)
{ dataLength = pDataLength;
}
public void setSamples(int pSamples)
{ samples = pSamples;
}
public int getSamples()
{ return samples;
}
public void setData(List pData)
{ data = pData;
}
public List getData()
{ return data; }
public void marshal(DataOutputStream dos)
{
super.marshal(dos);
try
{
entityID.marshal(dos);
dos.writeShort( (short)communicationsDeviceID);
dos.writeShort( (short)encodingScheme);
dos.writeShort( (short)tdlType);
dos.writeInt( (int)sampleRate);
dos.writeShort( (short)data.size());
dos.writeShort( (short)samples);
for(int idx = 0; idx < data.size(); idx++)
{
OneByteChunk aOneByteChunk = data.get(idx);
aOneByteChunk.marshal(dos);
} // end of list marshalling
} // end try
catch(Exception e)
{
System.out.println(e);}
} // end of marshal method
public void unmarshal(DataInputStream dis)
{
super.unmarshal(dis);
try
{
entityID.unmarshal(dis);
communicationsDeviceID = (int)dis.readUnsignedShort();
encodingScheme = (int)dis.readUnsignedShort();
tdlType = (int)dis.readUnsignedShort();
sampleRate = dis.readInt();
dataLength = (int)dis.readUnsignedShort();
samples = (int)dis.readUnsignedShort();
for(int idx = 0; idx < dataLength; idx++)
{
OneByteChunk anX = new OneByteChunk();
anX.unmarshal(dis);
data.add(anX);
}
} // end try
catch(Exception e)
{
System.out.println(e);
}
} // end of unmarshal method
/**
* Packs a Pdu into the ByteBuffer.
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff)
{
super.marshal(buff);
entityID.marshal(buff);
buff.putShort( (short)communicationsDeviceID);
buff.putShort( (short)encodingScheme);
buff.putShort( (short)tdlType);
buff.putInt( (int)sampleRate);
buff.putShort( (short)data.size());
buff.putShort( (short)samples);
for(int idx = 0; idx < data.size(); idx++)
{
OneByteChunk aOneByteChunk = (OneByteChunk)data.get(idx);
aOneByteChunk.marshal(buff);
} // end of list marshalling
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff)
{
super.unmarshal(buff);
entityID.unmarshal(buff);
communicationsDeviceID = (int)(buff.getShort() & 0xFFFF);
encodingScheme = (int)(buff.getShort() & 0xFFFF);
tdlType = (int)(buff.getShort() & 0xFFFF);
sampleRate = buff.getInt();
dataLength = (int)(buff.getShort() & 0xFFFF);
samples = (int)(buff.getShort() & 0xFFFF);
for(int idx = 0; idx < dataLength; idx++)
{
OneByteChunk anX = new OneByteChunk();
anX.unmarshal(buff);
data.add(anX);
}
} // end of unmarshal method
/*
* The equals method doesn't always work--mostly it works only on classes that consist only of primitives. Be careful.
*/
@Override
public boolean equals(Object obj)
{
if(this == obj){
return true;
}
if(obj == null){
return false;
}
if(getClass() != obj.getClass())
return false;
return equalsImpl(obj);
}
@Override
public boolean equalsImpl(Object obj)
{
boolean ivarsEqual = true;
if(!(obj instanceof IntercomSignalPdu))
return false;
final IntercomSignalPdu rhs = (IntercomSignalPdu)obj;
if( ! (entityID.equals( rhs.entityID) )) ivarsEqual = false;
if( ! (communicationsDeviceID == rhs.communicationsDeviceID)) ivarsEqual = false;
if( ! (encodingScheme == rhs.encodingScheme)) ivarsEqual = false;
if( ! (tdlType == rhs.tdlType)) ivarsEqual = false;
if( ! (sampleRate == rhs.sampleRate)) ivarsEqual = false;
if( ! (dataLength == rhs.dataLength)) ivarsEqual = false;
if( ! (samples == rhs.samples)) ivarsEqual = false;
for(int idx = 0; idx < data.size(); idx++)
{
if( ! ( data.get(idx).equals(rhs.data.get(idx)))) ivarsEqual = false;
}
return ivarsEqual && super.equalsImpl(rhs);
}
} // end of class