edu.nps.moves.dis7.PduHeader Maven / Gradle / Ivy
package edu.nps.moves.dis7;
import java.io.*;
/**
* Not used. The PDU Header Record is directly incoroporated into the PDU class.
* Here for completness only. Section 6.2.66
*
* Copyright (c) 2008-2016, 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 PduHeader extends Object implements Serializable {
/**
* The version of the protocol. 5=DIS-1995, 6=DIS-1998, 7=DIS-2009.
*/
protected short protocolVersion = (short) 7;
/**
* Exercise ID
*/
protected short exerciseID = (short) 0;
/**
* Type of pdu, unique for each PDU class
*/
protected short pduType;
/**
* value that refers to the protocol family, eg SimulationManagement, etc
*/
protected short protocolFamily;
/**
* Timestamp value
*/
protected long timestamp;
/**
* Length, in bytes, of the PDU. Changed name from length to avoid use of
* Hibernate QL reserved word.
*/
protected short pduLength;
/**
* PDU Status Record. Described in 6.2.67. This field is not present in
* earlier DIS versions
*/
protected int pduStatus;
/**
* zero filled array of padding
*/
protected short padding = (short) 0;
/**
* Constructor
*/
public PduHeader() {
}
public int getMarshalledSize() {
int marshalSize = 0;
marshalSize = marshalSize + 1; // protocolVersion
marshalSize = marshalSize + 1; // exerciseID
marshalSize = marshalSize + 1; // pduType
marshalSize = marshalSize + 1; // protocolFamily
marshalSize = marshalSize + 4; // timestamp
marshalSize = marshalSize + 1; // pduLength
marshalSize = marshalSize + 2; // pduStatus
marshalSize = marshalSize + 1; // padding
return marshalSize;
}
public void setProtocolVersion(short pProtocolVersion) {
protocolVersion = pProtocolVersion;
}
public short getProtocolVersion() {
return protocolVersion;
}
public void setExerciseID(short pExerciseID) {
exerciseID = pExerciseID;
}
public short getExerciseID() {
return exerciseID;
}
public void setPduType(short pPduType) {
pduType = pPduType;
}
public short getPduType() {
return pduType;
}
public void setProtocolFamily(short pProtocolFamily) {
protocolFamily = pProtocolFamily;
}
public short getProtocolFamily() {
return protocolFamily;
}
public void setTimestamp(long pTimestamp) {
timestamp = pTimestamp;
}
public long getTimestamp() {
return timestamp;
}
public void setPduLength(short pPduLength) {
pduLength = pPduLength;
}
public short getPduLength() {
return pduLength;
}
public void setPduStatus(int pPduStatus) {
pduStatus = pPduStatus;
}
public int getPduStatus() {
return pduStatus;
}
public void setPadding(short pPadding) {
padding = pPadding;
}
public short getPadding() {
return padding;
}
public void marshal(DataOutputStream dos) {
try {
dos.writeByte((byte) protocolVersion);
dos.writeByte((byte) exerciseID);
dos.writeByte((byte) pduType);
dos.writeByte((byte) protocolFamily);
dos.writeInt((int) timestamp);
dos.writeByte((byte) pduLength);
dos.writeShort((short) pduStatus);
dos.writeByte((byte) padding);
} // end try
catch (Exception e) {
System.out.println(e);
}
} // end of marshal method
public void unmarshal(DataInputStream dis) {
try {
protocolVersion = (short) dis.readUnsignedByte();
exerciseID = (short) dis.readUnsignedByte();
pduType = (short) dis.readUnsignedByte();
protocolFamily = (short) dis.readUnsignedByte();
timestamp = dis.readInt();
pduLength = (short) dis.readUnsignedByte();
pduStatus = (int) dis.readUnsignedShort();
padding = (short) dis.readUnsignedByte();
} // 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) {
buff.put((byte) protocolVersion);
buff.put((byte) exerciseID);
buff.put((byte) pduType);
buff.put((byte) protocolFamily);
buff.putInt((int) timestamp);
buff.put((byte) pduLength);
buff.putShort((short) pduStatus);
buff.put((byte) padding);
} // 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) {
protocolVersion = (short) (buff.get() & 0xFF);
exerciseID = (short) (buff.get() & 0xFF);
pduType = (short) (buff.get() & 0xFF);
protocolFamily = (short) (buff.get() & 0xFF);
timestamp = buff.getInt();
pduLength = (short) (buff.get() & 0xFF);
pduStatus = (int) (buff.getShort() & 0xFFFF);
padding = (short) (buff.get() & 0xFF);
} // 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);
}
/**
* Compare all fields that contribute to the state, ignoring transient and
* static fields, for this and the supplied object
*
* @param obj the object to compare to
* @return true if the objects are equal, false otherwise.
*/
public boolean equalsImpl(Object obj) {
boolean ivarsEqual = true;
if (!(obj instanceof PduHeader)) {
return false;
}
final PduHeader rhs = (PduHeader) obj;
if (!(protocolVersion == rhs.protocolVersion)) {
ivarsEqual = false;
}
if (!(exerciseID == rhs.exerciseID)) {
ivarsEqual = false;
}
if (!(pduType == rhs.pduType)) {
ivarsEqual = false;
}
if (!(protocolFamily == rhs.protocolFamily)) {
ivarsEqual = false;
}
if (!(timestamp == rhs.timestamp)) {
ivarsEqual = false;
}
if (!(pduLength == rhs.pduLength)) {
ivarsEqual = false;
}
if (!(pduStatus == rhs.pduStatus)) {
ivarsEqual = false;
}
if (!(padding == rhs.padding)) {
ivarsEqual = false;
}
return ivarsEqual;
}
} // end of class
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