/**
* Builds a dummy Bid in case no Bid was received
*
* @param TransactionID
* @param bid
* @return dummy Bid
* @throws NegativeBidException
*/
@Override
public Packet buildDummyBid(int transactionID, int bid) throws NegativeBidException {
Bid bidPkt = new Bid(transactionID, bid);
Inet4Address backboneIP = (Inet4Address) NetworkManager.getInstance().getMyOwnBackbone();
if (backboneIP == null) {
return null;
}
bidPkt.setSourceIP(backboneIP);
bidPkt.setDestinationIP(this.broadcastAddr);
return bidPkt;
}
/**
* build Bid from scratch
*
* @param advert the Advert to which the Bid repsonds
* @param bid value of the bid
* @return Bid built from given data
* @throws NegativeBidException
*/
@Override
public Packet buildBid(Advert advert, int bid) throws NegativeBidException {
assert advert != null : "Bids can only be made for valid Advert packets!";
int transactionID = advert.transactionID;
Bid bidPkt = new Bid(transactionID, bid);
bidPkt.setSourceIP(this.deviceIP);
bidPkt.setDestinationIP(this.broadcastAddr);
return bidPkt;
}
