/**
* Set the message length, base on the set of objects it contains
*
* @throws COPSException
*/
protected void setMsgLength() throws COPSException {
short len = 0;
if (_clientHandle != null) len += _clientHandle.getDataLength();
if (_context != null) len += _context.getDataLength();
for (Enumeration e = _clientSIs.elements(); e.hasMoreElements(); ) {
COPSClientSI clientSI = (COPSClientSI) e.nextElement();
len += clientSI.getDataLength();
}
// Display any local decisions
for (Enumeration e = _decisions.keys(); e.hasMoreElements(); ) {
COPSContext context = (COPSContext) e.nextElement();
Vector v = (Vector) _decisions.get(context);
len += context.getDataLength();
for (Enumeration ee = v.elements(); e.hasMoreElements(); ) {
COPSLPDPDecision decision = (COPSLPDPDecision) ee.nextElement();
len += decision.getDataLength();
}
}
if (_integrity != null) {
len += _integrity.getDataLength();
}
_hdr.setMsgLength((int) len);
}
/**
* Parses the data and fills COPSReqMsg with its constituents
*
* @param data a byte[]
* @throws COPSException
*/
protected void parse(byte[] data) throws COPSException {
super.parseHeader(data);
while (_dataStart < _dataLength) {
byte[] buf = new byte[data.length - _dataStart];
System.arraycopy(data, _dataStart, buf, 0, data.length - _dataStart);
COPSObjHeader objHdr = new COPSObjHeader(buf);
switch (objHdr.getCNum()) {
case COPSObjHeader.COPS_HANDLE:
{
_clientHandle = new COPSHandle(buf);
_dataStart += _clientHandle.getDataLength();
}
break;
case COPSObjHeader.COPS_CONTEXT:
{
if (_context == null) {
// Message context
_context = new COPSContext(buf);
_dataStart += _context.getDataLength();
} else {
// lpdp context
_lpdpContext = new COPSContext(buf);
_dataStart += _lpdpContext.getDataLength();
}
}
break;
case COPSObjHeader.COPS_ININTF:
{
if (objHdr.getCType() == 1) {
_inInterface = new COPSIpv4InInterface(buf);
} else {
_inInterface = new COPSIpv6InInterface(buf);
}
_dataStart += _inInterface.getDataLength();
}
break;
case COPSObjHeader.COPS_OUTINTF:
{
if (objHdr.getCType() == 1) {
_outInterface = new COPSIpv4OutInterface(buf);
} else {
_outInterface = new COPSIpv6OutInterface(buf);
}
_dataStart += _outInterface.getDataLength();
}
break;
case COPSObjHeader.COPS_LPDP_DEC:
{
COPSLPDPDecision lpdp = new COPSLPDPDecision(buf);
_dataStart += lpdp.getDataLength();
addLocalDecision(lpdp, _lpdpContext);
}
break;
case COPSObjHeader.COPS_CSI:
{
COPSClientSI csi = new COPSClientSI(buf);
_dataStart += csi.getDataLength();
_clientSIs.add(csi);
}
break;
case COPSObjHeader.COPS_MSG_INTEGRITY:
{
_integrity = new COPSIntegrity(buf);
_dataStart += _integrity.getDataLength();
}
break;
default:
{
throw new COPSException("Bad Message format, unknown object type");
}
}
}
checkSanity();
}