/**
* Parse TE List from the channel buffer.
*
* @param cb of type channel buffer
* @throws PcepParseException if mandatory fields are missing
*/
public void parseTEList(ChannelBuffer cb) throws PcepParseException {
byte yObjClass;
byte yObjType;
llTEObjList = new LinkedList<PcepTEObject>();
// caller should verify for TE object
if (cb.readableBytes() < OBJECT_HEADER_LENGTH) {
log.debug("Unable to find TE Object");
return;
}
cb.markReaderIndex();
PcepObjectHeader tempObjHeader = PcepObjectHeader.read(cb);
cb.resetReaderIndex();
yObjClass = tempObjHeader.getObjClass();
yObjType = tempObjHeader.getObjType();
PcepTEObject teObj;
while ((yObjClass == PcepTEObjectVer1.TE_OBJ_CLASS)
&& ((yObjType == PcepTEObjectVer1.TE_OBJ_TYPE_NODE_VALUE)
|| (yObjType == PcepTEObjectVer1.TE_OBJ_TYPE_LINK_VALUE))) {
teObj = PcepTEObjectVer1.read(cb);
llTEObjList.add(teObj);
if (cb.readableBytes() > OBJECT_HEADER_LENGTH) {
cb.markReaderIndex();
tempObjHeader = PcepObjectHeader.read(cb);
cb.resetReaderIndex();
yObjClass = tempObjHeader.getObjClass();
yObjType = tempObjHeader.getObjType();
} else {
break;
}
}
}
/**
* parseErrObjList from the channel buffer.
*
* @param cb of type channel buffer
* @throws PcepParseException if mandatory fields are missing
*/
public void parseErrObjList(ChannelBuffer cb) throws PcepParseException {
byte yObjClass;
byte yObjType;
boolean bIsErrorObjFound = false;
llErrObjList = new LinkedList<PcepErrorObject>();
// caller should verify for RP object
if (cb.readableBytes() < OBJECT_HEADER_LENGTH) {
throw new PcepParseException("Unable to find PCEP-ERROR Object");
}
cb.markReaderIndex();
PcepObjectHeader tempObjHeader = PcepObjectHeader.read(cb);
cb.resetReaderIndex();
yObjClass = tempObjHeader.getObjClass();
yObjType = tempObjHeader.getObjType();
PcepErrorObject errorObject;
while ((yObjClass == PcepErrorObjectVer1.ERROR_OBJ_CLASS)
&& (yObjType == PcepErrorObjectVer1.ERROR_OBJ_TYPE)) {
errorObject = PcepErrorObjectVer1.read(cb);
llErrObjList.add(errorObject);
bIsErrorObjFound = true;
if (cb.readableBytes() > OBJECT_HEADER_LENGTH) {
cb.markReaderIndex();
tempObjHeader = PcepObjectHeader.read(cb);
cb.resetReaderIndex();
yObjClass = tempObjHeader.getObjClass();
yObjType = tempObjHeader.getObjType();
} else {
break;
}
}
if (!bIsErrorObjFound) {
throw new PcepParseException("At least one PCEP-ERROR Object should be present.");
}
}
