static void Main(string[] args)
{
//Arrange
string IPAdd = "10.168.1.1", Mask = "0", DomainName = "cetitec.com";//Operator chooses this too value for his local machine.
bool V_DRequest, IpAddFormat;
bool V_Offer;
DHCP_Client cDhcp;
DHCP_Server sDhcp;
sDhcp = new DHCP_Server();
cDhcp = new DHCP_Client();
//Act
IpAddFormat = cDhcp.CheckIPValidFormat(IPAdd);
cDhcp = new DHCP_Client(IpAddFormat, IPAdd);
V_DRequest = cDhcp.DhcpClient_Discover_Request(sDhcp, Mask, IpAddFormat, DomainName);
V_Offer = sDhcp.DhcpServer_Offer(V_DRequest);
//Assert...
sDhcp.DHCP_Ack_Message(V_Offer);
}
//This Method makes the DHCP client broadcast a message of request of an IP address to the DHCP Server
public bool DhcpClient_Discover_Request(DHCP_Server DataServer, string MacId, bool IpValidation, string DomainName)
{
string str = string.Empty;
bool DHCP_Discover; // DHCP_Discover=true ---> DHCP client is looking for DHCP server to lease an IP address
// DHCP_Discover= false---> DHCP clien information is not valide to lease an IP address from a Server
//This condition verifies that the MAC used is the default value 0, the Ip address format is verified and the domain name: cetitec.com
if (MacId.StartsWith(MacMask) == true && IpValidation == true && (DomainName.Equals("cetitec.com") == true))
{
DHCP_Discover = true;
DataServer.dData.MyIP = NetCard; // This informs the DHCP Server, the IP address of the DHCP client which
//broadcasted the message of request
str = "IP requested for Mac: " + MacId;
}
//This condition informs the operator that the MAC is not the correct one
else if (MacId.StartsWith(MacMask) == false && IpValidation == true)
{
DHCP_Discover = false;
str = "Mac: " + MacId + " is not part of the mask, you should chooose a subnet mask = 0!";
}
//This condition informs the operator that the Domain name is not the correct one which should be cetitec.com.
else if ((DomainName.Equals("cetitec.com") == false))
{
DHCP_Discover = false;
Console.WriteLine("Make sure that the DomainName is: cetitec.com \n");
}
//This condition informs the operator that something is wrong with the IP address he entered earlier
else
{
DHCP_Discover = false;
Console.WriteLine("Make sure that the IP address has Four values separated by dots '.'\n");
}
Console.WriteLine(str);
return(DHCP_Discover);
}
