internal override void EnterEvent()
{
client.StartNewTransaction();
DhcpFormat dhcp =
new DhcpFormat(DhcpFormat.MessageType.Discover);
dhcp.TransactionID = client.TransactionID;
dhcp.SetHardwareAddress(client.MacAddress);
#if ADVERTISE_CLIENT_ID
// Add Client Identifier for self
//
// [2006-02-03 ohodson] This is disabled because the Windows
// DHCP server allocates us a different address with the
// client id present if we networked booted. Thus having the
// identifier breaks static DHCP entries which we use
// for test machines.
EthernetAddress macAddress = client.MacAddress;
dhcp.AddOption(DhcpClientID.Create(macAddress.GetAddressBytes()));
#endif
// Add parameters we'd like to know about
dhcp.AddOption(DhcpParameterRequest.Create(
DhcpClient.StandardRequestParameters
)
);
// dhcp.AddOption(DhcpAutoConfigure.Create(0));
client.Send(EthernetAddress.Broadcast, dhcp);
client.ChangeState(new DhcpClientStateSelecting(client));
}
///////////////////////////////////////////////////////////////////////
//
// Helper functions
//
internal void GetMacHiLow(out uint addr_low,
out uint addr_hi,
EthernetAddress mac)
{
byte[] macBytes = mac.GetAddressBytes();
addr_hi = (uint)((macBytes[5] << 8) |
(macBytes[4]));
addr_low = (uint)((macBytes[3] << 24) |
(macBytes[2] << 16) |
(macBytes[1] << 8) |
(macBytes[0]));
}