public void unmarshal(DataInputStream dis) {
super.unmarshal(dis);
try {
minefieldID.unmarshal(dis);
requestingEntityID.unmarshal(dis);
requestID = (short) dis.readUnsignedByte();
numberOfPerimeterPoints = (short) dis.readUnsignedByte();
pad2 = (short) dis.readUnsignedByte();
numberOfSensorTypes = (short) dis.readUnsignedByte();
dataFilter = dis.readInt();
requestedMineType.unmarshal(dis);
for (int idx = 0; idx < numberOfPerimeterPoints; idx++) {
Point anX = new Point();
anX.unmarshal(dis);
requestedPerimeterPoints.add(anX);
}
for (int idx = 0; idx < numberOfSensorTypes; idx++) {
TwoByteChunk anX = new TwoByteChunk();
anX.unmarshal(dis);
sensorTypes.add(anX);
}
} // end try
catch (Exception e) {
System.out.println(e);
}
} // end of unmarshal method
/**
* Read a constant from the constant pool.
*
* @param in The stream from which to read.
* @return The constant.
* @exception IOException If an error occurs while reading.
*/
Constant readConstant(DataInputStream in) throws IOException {
int tag = in.readUnsignedByte();
Object value;
switch (tag) {
case Constant.CLASS:
case Constant.STRING:
case Constant.METHOD_TYPE: // @since 1.8
value = Integer.valueOf(in.readUnsignedShort());
break;
case Constant.FIELD_REF:
case Constant.METHOD_REF:
case Constant.INTERFACE_METHOD_REF:
case Constant.NAME_AND_TYPE:
case Constant.INVOKE_DYNAMIC: // @since 1.8
value = new int[2];
((int[]) value)[0] = in.readUnsignedShort();
((int[]) value)[1] = in.readUnsignedShort();
break;
case Constant.INTEGER:
value = Integer.valueOf(in.readInt());
break;
case Constant.FLOAT:
value = Float.valueOf(in.readFloat());
break;
case Constant.LONG:
// Longs take up 2 constant pool entries.
value = Long.valueOf(in.readLong());
break;
case Constant.DOUBLE:
// Doubles take up 2 constant pool entries.
value = Double.valueOf(in.readDouble());
break;
case Constant.UTF8:
value = in.readUTF();
break;
case Constant.METHOD_HANDLE: // @since 1.8
value = new int[2];
((int[]) value)[0] = in.readUnsignedByte();
((int[]) value)[1] = in.readUnsignedShort();
break;
default:
throw new ClassFormatError("Invalid constant tag: " + tag);
}
return new Constant(tag, value);
}
public void writeStream(DataInputStream input) throws IOException, NoSuchAlgorithmException {
try {
int bytesRead = 0;
int bytesToSkip = 0;
while (true) {
final int value = input.readUnsignedByte();
bytesRead++;
check.nextByte(value);
writeRaw(value);
final int weakChecksum = check.weakChecksum();
String strongChecksum = null;
if (bytesToSkip > 0) {
bytesToSkip--;
} else {
Map<String, Integer> weakMatches = inputBlocks.get(weakChecksum);
if (weakMatches != null) {
strongChecksum = check.strongChecksum();
Integer previousOffset = weakMatches.get(strongChecksum);
if (previousOffset != null) {
snipRawBuffer();
System.err.println(
"Using previously remembered : "
+ previousOffset
+ " : "
+ (bytesRead - BLOCK_SIZE));
writeBlock(previousOffset);
bytesToSkip = BLOCK_SIZE - 1;
}
}
}
if ((bytesRead % BLOCK_SIZE) == 0) {
Map<String, Integer> weakMatches = inputBlocks.get(weakChecksum);
if (weakMatches == null) {
weakMatches = new HashMap<String, Integer>();
inputBlocks.put(weakChecksum, weakMatches);
}
if (strongChecksum == null) {
strongChecksum = check.strongChecksum();
}
if (!weakMatches.containsKey(strongChecksum)) {
weakMatches.put(strongChecksum, bytesRead - BLOCK_SIZE);
System.err.println(
"Remembering : "
+ weakChecksum
+ " : "
+ strongChecksum
+ " : "
+ (bytesRead - BLOCK_SIZE));
}
}
}
} catch (EOFException e) {
flushRaw();
}
System.err.println("Original data: " + rawChunks);
System.err.println("Reused data: " + blockChunks);
}
public void unmarshal(DataInputStream dis) {
super.unmarshal(dis);
try {
minefieldID.unmarshal(dis);
requestingEntityID.unmarshal(dis);
minefieldSequenceNumbeer = (int) dis.readUnsignedShort();
requestID = (short) dis.readUnsignedByte();
pduSequenceNumber = (short) dis.readUnsignedByte();
numberOfPdus = (short) dis.readUnsignedByte();
numberOfMinesInThisPdu = (short) dis.readUnsignedByte();
numberOfSensorTypes = (short) dis.readUnsignedByte();
pad2 = (short) dis.readUnsignedByte();
dataFilter = dis.readInt();
mineType.unmarshal(dis);
for (int idx = 0; idx < numberOfSensorTypes; idx++) {
TwoByteChunk anX = new TwoByteChunk();
anX.unmarshal(dis);
sensorTypes.add(anX);
}
pad3 = (short) dis.readUnsignedByte();
for (int idx = 0; idx < numberOfMinesInThisPdu; idx++) {
Vector3Float anX = new Vector3Float();
anX.unmarshal(dis);
mineLocation.add(anX);
}
} // end try
catch (Exception e) {
System.out.println(e);
}
} // end of unmarshal method
public void unmarshal(DataInputStream dis) {
try {
recordType = (short) dis.readUnsignedByte();
changeIndicator = (short) dis.readUnsignedByte();
associationStatus = (short) dis.readUnsignedByte();
associationType = (short) dis.readUnsignedByte();
entityID.unmarshal(dis);
ownStationLocation = (int) dis.readUnsignedShort();
physicalConnectionType = (short) dis.readUnsignedByte();
groupMemberType = (short) dis.readUnsignedByte();
groupNumber = (int) dis.readUnsignedShort();
} // end try
catch (Exception e) {
System.out.println(e);
}
} // end of unmarshal method
/** Process multiplexing protocol received from underlying connection. */
public void run() throws IOException {
try {
int op, id, length;
MultiplexConnectionInfo info;
while (true) {
// read next op code from remote endpoint
op = dataIn.readUnsignedByte();
switch (op) {
// remote endpoint initiating new connection
case OPEN:
id = dataIn.readUnsignedShort();
if (multiplexLog.isLoggable(Log.VERBOSE)) {
multiplexLog.log(Log.VERBOSE, "operation OPEN " + id);
}
info = connectionTable.get(id);
if (info != null) throw new IOException("OPEN: Connection ID already exists");
info = new MultiplexConnectionInfo(id);
info.in = new MultiplexInputStream(this, info, 2048);
info.out = new MultiplexOutputStream(this, info, 2048);
synchronized (connectionTable) {
connectionTable.put(id, info);
++numConnections;
}
sun.rmi.transport.Connection conn;
conn = new TCPConnection(channel, info.in, info.out);
channel.acceptMultiplexConnection(conn);
break;
// remote endpoint closing connection
case CLOSE:
id = dataIn.readUnsignedShort();
if (multiplexLog.isLoggable(Log.VERBOSE)) {
multiplexLog.log(Log.VERBOSE, "operation CLOSE " + id);
}
info = connectionTable.get(id);
if (info == null) throw new IOException("CLOSE: Invalid connection ID");
info.in.disconnect();
info.out.disconnect();
if (!info.closed) sendCloseAck(info);
synchronized (connectionTable) {
connectionTable.remove(id);
--numConnections;
}
break;
// remote endpoint acknowledging close of connection
case CLOSEACK:
id = dataIn.readUnsignedShort();
if (multiplexLog.isLoggable(Log.VERBOSE)) {
multiplexLog.log(Log.VERBOSE, "operation CLOSEACK " + id);
}
info = connectionTable.get(id);
if (info == null) throw new IOException("CLOSEACK: Invalid connection ID");
if (!info.closed) throw new IOException("CLOSEACK: Connection not closed");
info.in.disconnect();
info.out.disconnect();
synchronized (connectionTable) {
connectionTable.remove(id);
--numConnections;
}
break;
// remote endpoint declaring additional bytes receivable
case REQUEST:
id = dataIn.readUnsignedShort();
info = connectionTable.get(id);
if (info == null) throw new IOException("REQUEST: Invalid connection ID");
length = dataIn.readInt();
if (multiplexLog.isLoggable(Log.VERBOSE)) {
multiplexLog.log(Log.VERBOSE, "operation REQUEST " + id + ": " + length);
}
info.out.request(length);
break;
// remote endpoint transmitting data packet
case TRANSMIT:
id = dataIn.readUnsignedShort();
info = connectionTable.get(id);
if (info == null) throw new IOException("SEND: Invalid connection ID");
length = dataIn.readInt();
if (multiplexLog.isLoggable(Log.VERBOSE)) {
multiplexLog.log(Log.VERBOSE, "operation TRANSMIT " + id + ": " + length);
}
info.in.receive(length, dataIn);
break;
default:
throw new IOException("Invalid operation: " + Integer.toHexString(op));
}
}
} finally {
shutDown();
}
}
