/**
* This method processes a DHCPC sending by client
*
* @param data to send
* @param server host
* @param server port
* @author key
* @version v0.01
*/
public void StartDHCPC(String inIface, String WantedIP)
throws CommunicationException, LowLinkException, InvalidNetworkLayerDeviceException,
TransportLayerException {
if (running) {
Close();
}
running = true;
completed = false;
iface = inIface;
Listen();
DHCPPacket d = new DHCPPacket();
d.op = 1;
xid = d.xid;
d.WantedIP = WantedIP;
d.ciaddr = mParentStack.getIPAddress(iface);
d.chaddr = mParentStack.getMACAddress(iface);
d.msgType = 1;
if (d.ciaddr == null) {
d.ciaddr = "";
}
String Data = d.toBytes();
resend = Data;
resendings = 0;
LayerInfo protInfo = new LayerInfo(getClass().getName());
protInfo.setObjectName(mParentStack.getParentNodeName());
protInfo.setDataType("DHCP client");
protInfo.setLayer("Application ");
protInfo.setDescription(
"Starting DHCP discover process on interface "
+ iface
+ "... Transaction ID is "
+ xid
+ ".");
Simulation.addLayerInfo(protInfo);
protInfo = new LayerInfo(getClass().getName());
protInfo.setObjectName(mParentStack.getParentNodeName());
protInfo.setDataType("DHCP client");
protInfo.setLayer("Application ");
protInfo.setDescription(
"Sending DHCPDISCOVER packet to 255.255.255.255 with op=1 chaddr='"
+ d.chaddr
+ "' ciaddr='"
+ d.ciaddr
+ "' preferred IP='"
+ WantedIP
+ "'.");
Simulation.addLayerInfo(protInfo);
mParentStack.getParentNode().startTimerTask(this, 5000);
SendData(appSock, "255.255.255.255", 67, Data);
}