private static void TestCase2(Socket clientsocket)//Lookup port dead
{
//TestCase 2:
//FTP server reserves a port
IPEndPoint endPt = new IPEndPoint(IPAddress.Parse(PRSCommunicator.DEFAULT_IP), PRSCommunicator.DEFAULT_PORT);
string FTPServer = "FTP";
ushort allocatedport = 0;
ushort requestedport = 0;
//Send request port
PRSCommunicator.SendMessage(clientsocket, endPt, PRSMessage.MakeREQUEST_PORT(FTPServer));
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
PRSMessage statusMsg = PRSCommunicator.ReceiveMessage(clientsocket, ref remoteEP);
//PRSCommunicator.PrintMessage(statusMsg);
if (statusMsg.status != PRSMessage.Status.SUCCESS)
{
throw new Exception("TestCase2 failed on Request Port");
}
allocatedport = statusMsg.port;
Console.WriteLine("Allocated port of " + allocatedport.ToString());
//FTP Client asks for the port that the client is on
PRSCommunicator.SendMessage(clientsocket, endPt, PRSMessage.MakeLOOKUP_PORT("FTP"));
//FTP Client "attempts" to connect to server
statusMsg = PRSCommunicator.ReceiveMessage(clientsocket, ref remoteEP);
if (statusMsg.status != PRSMessage.Status.SUCCESS)
{
throw new Exception("TestCase2 failed on LookupPort");
}
requestedport = statusMsg.port;
Console.WriteLine("Service is on port: " + allocatedport.ToString());
//FTP Client fails to connect
//FTP client sends port dead to PRS
PRSCommunicator.SendMessage(clientsocket, endPt, PRSMessage.MakePORT_DEAD(requestedport));
statusMsg = PRSCommunicator.ReceiveMessage(clientsocket, ref remoteEP);
if (statusMsg.status != PRSMessage.Status.SUCCESS)
{
throw new Exception("TestCase2 failed on Deadport");
}
}
private static void TestCase1(Socket clientsocket)
{
//TestCase 1:
//FTP server requests port from prs
//recieves port number
//ftp server sends close port
//recieves success
IPEndPoint endPt = new IPEndPoint(IPAddress.Parse(PRSCommunicator.DEFAULT_IP), PRSCommunicator.DEFAULT_PORT);
string FTPServer = "FTP";
ushort allocatedport = 0;
//Send request port
PRSCommunicator.SendMessage(clientsocket, endPt, PRSMessage.MakeREQUEST_PORT(FTPServer));
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
PRSMessage statusMsg = PRSCommunicator.ReceiveMessage(clientsocket, ref remoteEP);
//PRSCommunicator.PrintMessage(statusMsg);
if (statusMsg.status != PRSMessage.Status.SUCCESS)
{
throw new Exception("TestCase1 failed on Request Port");
}
allocatedport = statusMsg.port;
Console.WriteLine("Allocated port of " + allocatedport.ToString());
PRSCommunicator.SendMessage(clientsocket, endPt, PRSMessage.MakeKEEP_ALIVE(FTPServer, allocatedport));
statusMsg = PRSCommunicator.ReceiveMessage(clientsocket, ref remoteEP);
//PRSCommunicator.PrintMessage(statusMsg);
if (statusMsg.status != PRSMessage.Status.SUCCESS)
{
throw new Exception("TestCase1 failed on Keep Alive");
}
PRSCommunicator.SendMessage(clientsocket, endPt, PRSMessage.MakeCLOSE_PORT(FTPServer, allocatedport));
statusMsg = PRSCommunicator.ReceiveMessage(clientsocket, ref remoteEP);
//PRSCommunicator.PrintMessage(statusMsg);
if (statusMsg.status != PRSMessage.Status.SUCCESS)
{
throw new Exception("TestCase1 failed on ClosePort");
}
}