private static void ReceiveResponse()
{
string text;
do
{
int received = ClientSocket.Receive(buffer, SocketFlags.None);
if (received == 0)
{
return;
}
var data = new byte[received];
Array.Copy(buffer, data, received);
text = Encoding.ASCII.GetString(data);
var cleanText = text.Substring(33);
var md5 = text.Substring(0, 32);
if (CheksumGenerator.CreateMD5(cleanText) != md5)
{
Console.WriteLine("Wystapil blad polaczenia");
continue;
}
Console.WriteLine(cleanText);
text = cleanText;
}while(!text.StartsWith("_OK_") && !text.StartsWith("_ERROR_"));
}
/// <summary>
/// Sends a string to the server with ASCII encoding.
/// </summary>
private static void SendString(string text)
{
var md5request = $"{CheksumGenerator.CreateMD5(text)} {text}";
byte[] buffer = Encoding.ASCII.GetBytes(md5request);
ClientSocket.Send(buffer);
}
public async Task Handle(string request)
{
string response = null;
try {
var splitedRequest = request.Split();
var md5cheksum = splitedRequest[0];
if (CheksumGenerator.CreateMD5(request.Substring(33)) != md5cheksum)
{
throw new MiniCloudException("Incomplete rquest");
}
if (splitedRequest.Length < 3)
{
throw new MiniCloudException("Invalid Request");
}
var controllerName = splitedRequest[1];
var controllerType = GetControllerType(controllerName);
if (controllerType == null)
{
throw new MiniCloudException($"Controller {controllerName} doesn't exists");
}
var methodName = splitedRequest[2];
var methodInfo = GetMethod(controllerType, methodName);
if (methodInfo == null)
{
throw new MiniCloudException($"Method {methodName} doesn't exists in {controllerName} controller");
}
var parameters = methodInfo.GetParameters();
var arguments = splitedRequest.Skip(3);
if (arguments.Count() != parameters.Count() || arguments.Any(x => String.IsNullOrWhiteSpace(x)))
{
var correctUsage = GenerateCorrectUsageInfo(controllerName, methodName, parameters.Select(x => x.Name));
throw new MiniCloudException(correctUsage);
}
//var controller=Activator.CreateInstance(controllerType,_currentClient.Session);
var controller = Bootstraper.Container.ResolveNamed <IController>(controllerType.Name);
controller.SetSession(_currentClient.Session);
string result;
if (methodInfo.ReturnType == typeof(Task <string>))
{
var task = (Task <string>)methodInfo.Invoke(controller, arguments.ToArray());
await task;
result = task.Result;
}
else
{
throw new Exception("Wrong return type");
}
response = $"_OK_: {result}";
}
catch (MiniCloudException ex)
{
response = $"_ERROR_: {ex.Message}";
}
catch (Exception ex)
{
response = "_ERROR_: Internal Error";
}
var md5response = $"{CheksumGenerator.CreateMD5(response)} {response}";
_currentClient.SendText(md5response);
}
