protected DhcpPacket SendOffer(DhcpPacket aDiscover)
{
var xOut = new DhcpPacket();
xOut.Op = DhcpPacket.OpType.Reply;
xOut.TxID = aDiscover.TxID;
xOut.YourAddr = BitConverter.ToUInt32(mClientIP, 0);
xOut.ServerAddr = BitConverter.ToUInt32(mServerIP, 0);
xOut.HwAddr = aDiscover.HwAddr;
xOut.Flags = aDiscover.Flags;
xOut.Msg = DhcpPacket.MsgType.Offer;
xOut.Options.Add(1, new byte[] { 255, 255, 255, 0 });
xOut.Options.Add(54, mServerIP);
xOut.AddTextOption(60, "PXEClient");
xOut.BootFile = Path.GetFileName(mBootFile);
var xFileInfo = new FileInfo(mBootFile);
byte xBlockCount = (byte)(xFileInfo.Length / 512);
xOut.Options.Add(13, new byte[] { 0, xBlockCount });
Send(xOut);
return(xOut);
}
protected DhcpPacket Receive(DhcpPacket.MsgType aWaitFor) {
while (true) {
var xData = mUDP.Receive(ref mRecvEndPoint);
var xPacket = new DhcpPacket(xData);
if (xPacket.Msg == aWaitFor) {
return xPacket;
}
}
}
protected DhcpPacket Receive(DhcpPacket.MsgType aWaitFor)
{
while (true)
{
var xData = mUDP.Receive(ref mRecvEndPoint);
var xPacket = new DhcpPacket(xData);
if (xPacket.Msg == aWaitFor)
{
return(xPacket);
}
}
}
protected DhcpPacket SendOffer(DhcpPacket aDiscover) {
var xOut = new DhcpPacket();
xOut.Op = DhcpPacket.OpType.Reply;
xOut.TxID = aDiscover.TxID;
xOut.YourAddr = BitConverter.ToUInt32(mClientIP, 0);
xOut.ServerAddr = BitConverter.ToUInt32(mServerIP, 0);
xOut.HwAddr = aDiscover.HwAddr;
xOut.Flags = aDiscover.Flags;
xOut.Msg = DhcpPacket.MsgType.Offer;
xOut.Options.Add(1, new byte[] { 255, 255, 255, 0 });
xOut.Options.Add(54, mServerIP);
xOut.AddTextOption(60, "PXEClient");
xOut.BootFile = Path.GetFileName(mBootFile);
var xFileInfo = new FileInfo(mBootFile);
byte xBlockCount = (byte)(xFileInfo.Length / 512);
xOut.Options.Add(13, new byte[] { 0, xBlockCount });
Send(xOut);
return xOut;
}
protected DhcpPacket SendAck(DhcpPacket aDiscover, DhcpPacket aRequest)
{
aDiscover.Msg = DhcpPacket.MsgType.Ack;
Send(aDiscover);
return(aDiscover);
}
protected void Send(DhcpPacket aPacket)
{
var xBytes = aPacket.GetBytes();
mUDP.Send(xBytes, xBytes.Length, new IPEndPoint(IPAddress.Broadcast, 68));
}
protected DhcpPacket SendAck(DhcpPacket aDiscover, DhcpPacket aRequest) {
aDiscover.Msg = DhcpPacket.MsgType.Ack;
Send(aDiscover);
return aDiscover;
}
protected void Send(DhcpPacket aPacket) {
var xBytes = aPacket.GetBytes();
mUDP.Send(xBytes, xBytes.Length, new IPEndPoint(IPAddress.Broadcast, 68));
}
