public void Request(DhcpMessage requestMessage)
{
PresentedName = requestMessage.HostName ?? PresentedName;
if (State == DhcpState.Forbidden)
{
AddEvent(new DhcpRequestRejectedEvent(this, requestMessage));
}
var clientOffer = requestMessage.ClientIPAddress;
if (requestMessage.Options.TryGetValue(DhcpMessage.DhcpOptionCode.RequestedIpAddress,
out var requestedIpAddress))
{
clientOffer = new IPAddress(requestedIpAddress);
}
if (clientOffer.Equals(ClientAddress))
{
State = DhcpState.Accepted;
AddEvent(new DhcpRequestAcceptedEvent(this, requestMessage));
}
else
{
AddEvent(new DhcpRequestRejectedEvent(this, requestMessage));
}
}
public NetworkDevice(PhysicalAddress id, string name, IPAddress clientAddress, bool permanent, NetworkConfiguration?preferredConfiguration)
{
Id = id;
Name = name;
ClientAddress = clientAddress;
Permanent = permanent;
UpdateTime = DateTime.Now;
LeaseTimeSeconds = (int)TimeSpan.FromDays(1).TotalSeconds;
PreferredConfiguration = preferredConfiguration;
State = DhcpState.Unknown;
}
public void Discover(DhcpMessage discoverMessage)
{
PresentedName = discoverMessage.HostName ?? PresentedName;
if (State == DhcpState.Offered && UpdateTime.AddSeconds(10) > DateTime.Now)
{
return;
}
if (State == DhcpState.Forbidden)
{
AddEvent(new DhcpRequestRejectedEvent(this, discoverMessage));
}
else
{
UpdateTime = DateTime.Now;
State = DhcpState.Offered;
AddEvent(new DhcpRequestAcceptedEvent(this, discoverMessage));
}
}
