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/*
* Copyright (c) 1996-2001
* Logica Mobile Networks Limited
* All rights reserved.
*
* This software is distributed under Logica Open Source License Version 1.0
* ("Licence Agreement"). You shall use it and distribute only in accordance
* with the terms of the License Agreement.
*
*/
package org.smpp.util;
import org.smpp.Data;
import org.smpp.util.ByteBuffer;
/**
* Utility class Unprocessed is used for data received from
* connection which aren't complete PDU yet.
*
* @author Logica Mobile Networks SMPP Open Source Team
* @version $Revision: 1.1 $
*/
public class Unprocessed {
/**
* Buffer for data which aren't complete PDU yet. Each time new data
* are received, they are appended to this buffer and PDU is created
* from this buffer.
*
* @see #hasUnprocessed
* @see org.smpp.ReceiverBase#receivePDUFromConnection(Connection,Unprocessed)
*/
private ByteBuffer unprocessed = new ByteBuffer();
/**
* Contains haw many bytes is expected after it's been decided that
* the current bytes aren't enough to build up complete PDU.
*/
private int expected = 0;
/**
* Indicates that after creating PDU from unprocessed buffer
* there were still some data left in the unprocessed buffer.
* In the next receive even if no new data will be received an attempt
* to create PDU from unprocessed buffer will be performed.
*
* @see #unprocessed
* @see org.smpp.ReceiverBase#receivePDUFromConnection(Connection,Unprocessed)
*/
private boolean hasUnprocessed = false;
/**
* Contains the time when some data were received from connection.
* If it is currently longer from lastTimeReceived
* than specified by receiveTimeout,
* TimeoutException is thrown.
*
* @see org.smpp.ReceiverBase#receiveTimeout
* @see TimeoutException
* @see org.smpp.ReceiverBase#receivePDUFromConnection(Connection,Unprocessed)
*/
private long lastTimeReceived = 0;
/**
* Resets flag hasUnprocessed, removes all bytes
* from unprocessed buffer and sets expected
* to zero.
*
* @see #hasUnprocessed
* @see #unprocessed
* @see #expected
*/
public void reset() {
hasUnprocessed = false;
unprocessed.setBuffer(null);
expected = 0;
}
/**
* Sets flag hasUnprocessed if there are any
* unprocessed bytes in unprocessed buffer.
*
* @see #hasUnprocessed
* @see #unprocessed
*/
public void check() {
hasUnprocessed = unprocessed.length() > 0;
}
public void setHasUnprocessed(boolean value) {
hasUnprocessed = value;
}
public void setExpected(int value) {
expected = value;
}
public void setLastTimeReceived(long value) {
lastTimeReceived = value;
}
public void setLastTimeReceived() {
lastTimeReceived = Data.getCurrentTime();
}
public ByteBuffer getUnprocessed() {
return unprocessed;
}
public boolean getHasUnprocessed() {
return hasUnprocessed;
}
public int getExpected() {
return expected;
}
public long getLastTimeReceived() {
return lastTimeReceived;
}
}
/*
* $Log: not supported by cvs2svn $
*/