private void sendResponse(ObjectResponseProtocol.Response response)
{
Console.WriteLine("sending response " + response);
lock (stream)
{
formatter.Serialize(stream, response);
stream.Flush();
}
}
public void Logout(Employee employee, IObserver client)
{
sendRequest(new LogoutRequest(employee));
ObjectResponseProtocol.Response response = readResponse();
closeConnection();
if (response is ObjectResponseProtocol.ErrorResponse)
{
ObjectResponseProtocol.ErrorResponse error = (ObjectResponseProtocol.ErrorResponse)response;
throw new ValidationException(error.Message);
}
}
public List <ChildDTO> GetAllChildren()
{
sendRequest(new GetAllChildrenRequest());
ObjectResponseProtocol.Response response = readResponse();
if (response is ObjectResponseProtocol.ErrorResponse)
{
ObjectResponseProtocol.ErrorResponse error = (ObjectResponseProtocol.ErrorResponse)response;
throw new ValidationException(error.Message);
}
ObjectResponseProtocol.GetAllChildrenResponse resp =
(ObjectResponseProtocol.GetAllChildrenResponse)response;
return(resp.Children);
}
public Child RegisterChild(string name, int age, string challenge1, string challenge2)
{
RegistrationDTO registration = new RegistrationDTO(name, age, challenge1, challenge2);
sendRequest(new RegisterChildRequest(registration));
ObjectResponseProtocol.Response response = readResponse();
if (response is ObjectResponseProtocol.ErrorResponse)
{
ObjectResponseProtocol.ErrorResponse error = (ObjectResponseProtocol.ErrorResponse)response;
throw new ValidationException(error.Message);
}
ObjectResponseProtocol.RegisteredChildResponse resp = (ObjectResponseProtocol.RegisteredChildResponse)response;
return(resp.Child);
}
public Challenge GetChallengeByProperties(int minimumAge, int maximumAge, string name)
{
Challenge challenge = new Challenge(minimumAge, maximumAge, name);
sendRequest(new GetChallengeByPropertiesRequest(challenge));
ObjectResponseProtocol.Response response = readResponse();
if (response is ObjectResponseProtocol.ErrorResponse)
{
ObjectResponseProtocol.ErrorResponse error = (ObjectResponseProtocol.ErrorResponse)response;
throw new ValidationException(error.Message);
}
ObjectResponseProtocol.GetChallengeByPropertiesResponse resp =
(ObjectResponseProtocol.GetChallengeByPropertiesResponse)response;
return(resp.Challenge);
}
public Employee RegisterEmployee(string username, string password)
{
initializeConnection();
Employee employee = new Employee(username, password);
sendRequest(new RegisterRequest(employee));
ObjectResponseProtocol.Response response = readResponse();
if (response is ObjectResponseProtocol.ErrorResponse)
{
ObjectResponseProtocol.ErrorResponse error = (ObjectResponseProtocol.ErrorResponse)response;
closeConnection();
throw new ValidationException(error.Message);
}
ObjectResponseProtocol.RegisteredResponse resp = (ObjectResponseProtocol.RegisteredResponse)response;
closeConnection();
return(resp.Employee);
}
private ObjectResponseProtocol.Response readResponse()
{
ObjectResponseProtocol.Response response = null;
try
{
_waitHandle.WaitOne();
lock (responses)
{
//Monitor.Wait(responses);
response = responses.Dequeue();
}
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
}
return(response);
}
public virtual Employee LoginEmployee(string username, string password, IObserver client)
{
initializeConnection();
Employee employee = new Employee(username, password);
sendRequest(new LoginRequest(employee));
ObjectResponseProtocol.Response response = readResponse();
if (response is ObjectResponseProtocol.LoggedReponse)
{
this.client = client;
}
if (response is ObjectResponseProtocol.ErrorResponse)
{
ObjectResponseProtocol.ErrorResponse error = (ObjectResponseProtocol.ErrorResponse)response;
closeConnection();
throw new ValidationException(error.Message);
}
ObjectResponseProtocol.LoggedReponse resp = (ObjectResponseProtocol.LoggedReponse)response;
return(resp.Employee);
}
private ObjectResponseProtocol.Response handleRequest(Request request)
{
ObjectResponseProtocol.Response response = null;
if (request is LoginRequest)
{
LoginRequest loginRequest = (LoginRequest)request;
Employee employee = loginRequest.Employee;
try
{
Employee loggedEmployee;
lock (server)
{
loggedEmployee = server.LoginEmployee(employee.Username, employee.Password, this);
}
return(new ObjectResponseProtocol.LoggedReponse(loggedEmployee));
}
catch (ValidationException e)
{
connected = false;
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is LogoutRequest)
{
LogoutRequest logoutRequest = (LogoutRequest)request;
Employee employee = logoutRequest.Employee;
try
{
lock (server)
{
server.Logout(employee, this);
}
connected = false;
return(new ObjectResponseProtocol.OkResponse());
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is RegisterRequest)
{
RegisterRequest registerRequest = (RegisterRequest)request;
Employee employee = registerRequest.Employee;
try
{
Employee registeredEmployee;
lock (server)
{
registeredEmployee = server.RegisterEmployee(employee.Username, employee.Password);
}
return(new ObjectResponseProtocol.RegisteredResponse(registeredEmployee));
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is GetAllChallengesRequest)
{
GetAllChallengesRequest getAllChallengesRequest = (GetAllChallengesRequest)request;
try
{
List <ChallengeDTO> challenges;
lock (server)
{
challenges = server.GetAllChallenges();
}
return(new ObjectResponseProtocol.GetAllChallengesResponse(challenges));
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is GetAllChildrenRequest)
{
GetAllChildrenRequest getAllChildrenRequest = (GetAllChildrenRequest)request;
try
{
List <ChildDTO> children;
lock (server)
{
children = server.GetAllChildren();
}
return(new ObjectResponseProtocol.GetAllChildrenResponse(children));
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is RegisterChildRequest)
{
RegisterChildRequest registerChildRequest = (RegisterChildRequest)request;
RegistrationDTO registration = registerChildRequest.Registration;
try
{
Child child;
lock (server)
{
child = server.RegisterChild(registration.Name, registration.Age, registration.Challenge1,
registration.Challenge2);
}
return(new ObjectResponseProtocol.RegisteredChildResponse(child));
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is GetChallengeByPropertiesRequest)
{
GetChallengeByPropertiesRequest getChallengeByPropertiesRequest =
(GetChallengeByPropertiesRequest)request;
Challenge challenge = getChallengeByPropertiesRequest.Challenge;
try
{
Challenge foundChallenge;
lock (server)
{
foundChallenge = server.GetChallengeByProperties(challenge.MinimumAge, challenge.MaximumAge,
challenge.Name);
}
return(new ObjectResponseProtocol.GetChallengeByPropertiesResponse(foundChallenge));
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
if (request is GetChildrenByIdRequest)
{
GetChildrenByIdRequest getChildrenByIdRequest = (GetChildrenByIdRequest)request;
long cid = getChildrenByIdRequest.Cid;
try
{
List <Child> children;
lock (server)
{
children = server.GetChildrenById(cid);
}
return(new ObjectResponseProtocol.GetChildrenByIdResponse(children));
}
catch (ValidationException e)
{
return(new ObjectResponseProtocol.ErrorResponse(e.Message));
}
}
return(response);
}
