public static ArpPacket createReply(
MacAddress senderMac, InetAddress senderIp, MacAddress targetMac, InetAddress targetIp) {
ArpPacket p = new ArpPacket();
p.hardwareType = 0x0001;
p.protocolType = 0x0800;
p.hardwareSize = 6;
p.protocolSize = 4;
p.opcode = 2;
p.senderMac = senderMac;
p.senderIp = senderIp;
p.targetMac = targetMac;
p.targetIp = targetIp;
return p;
}
/* copy constructor */
public static ArpPacket copyArpPacket(ArpPacket arp) {
ArpPacket p = new ArpPacket();
p.hardwareType = 0x0001;
p.protocolType = 0x0800;
p.hardwareSize = 6;
p.protocolSize = 4;
p.opcode = arp.getOpcode();
p.senderMac = arp.getSenderMac();
p.senderIp = arp.getSenderIp();
p.targetMac = arp.getTargetMac();
p.targetIp = arp.getTargetIp();
return p;
}