public void ConnectTest()
{
const ushort id = 100;
var requestIp = new Ip("127.0.0.1");
var serverIp = new Ip("127.0.0.1");
var mac = new Mac("11-22-33-44-55-66");
var maskIp = new Ip("255.255.255.0");
var gwIp = new Ip("255.255.255.0");
var dnsIp0 = new Ip("255.255.255.0");
var dnsIp1 = new Ip("255.255.255.0");
var sp = new PacketDhcp(id, requestIp, serverIp, mac, DhcpType.Discover, 3600, maskIp, gwIp, dnsIp0, dnsIp1, "");
var bytes = sp.GetBuffer();
bytes[0] = 1;//Opecode = 2->1
var rp = Access(bytes);
Assert.AreEqual(rp.Type, DhcpType.Offer);
}
public void RequestTest(string requestIpStr, string macStr, DhcpType ans)
{
const ushort id = 100;
var requestIp = new Ip(requestIpStr);
var serverIp = new Ip("127.0.0.1");
var mac = new Mac(macStr);
var maskIp = new Ip("255.255.255.0");
var gwIp = new Ip("0.0.0.0");
var dnsIp0 = new Ip("0.0.0.0");
var dnsIp1 = new Ip("0.0.0.0");
var sp = new PacketDhcp(id, requestIp, serverIp, mac, DhcpType.Discover, 3600, maskIp, gwIp, dnsIp0, dnsIp1, "");
var bytes = sp.GetBuffer();
bytes[0] = 1;//Opecode = 2->1
var rp = Access(bytes);
Assert.AreEqual(rp.Type, ans);
}
PacketDhcp Access(byte [] buf)
{
//クライアントソケット生成、及び送信
var cl = new UdpClient(68);
cl.Connect((new Ip(IpKind.V4Localhost)).IPAddress, 67); //クライアントのポートが67でないとサーバが応答しない
cl.Send(buf, buf.Length);
//受信
var ep = new IPEndPoint(0, 0);
var recvBuf = cl.Receive(ref ep);
if (recvBuf.Length == 0)
{
Assert.Fail();//受信データが無い場合
}
var rp = new PacketDhcp();
rp.Read(recvBuf);
cl.Close();
return(rp);
}