public static Packet RetrievePacket(int packetSize, ref List<byte> buffer)
{
Packet p = null;
JObject json = RetrieveJson(packetSize, ref buffer);
if (json == null)
return null;
//Console.WriteLine("Got " + json["CMD"].ToString().ToUpper() + " packet.");
switch (json["CMD"].ToString().ToUpper())
{
case LoginResponsePacket.LoginRcmd:
p = new LoginResponsePacket(json);
break;
case ChatPacket.DefCmd:
p = new ChatPacket(json);
break;
case SubscribePacket.DefCmd:
p = SubscribePacket.GetSubscribePacket(json);
break;
case DataFromClientPacket<Object>.DefCmd:
//only measurements are supported.
p = new DataFromClientPacket<Measurement>(json);
break;
case PullResponsePacket<Object>.DefCmd:
p = HandlePullResponsePacket(json);
break;
case PushPacket<Object>.DefCmd:
p = HandlePushPacket(json);
break;
case NotifyPacket.Cmd:
p = new NotifyPacket(json);
break;
default:
Console.WriteLine("Unsupported packet type: {0}", json["CMD"].ToString());
break;
}
return p;
}
public void HandleSubscribePacket(JObject json)
{
var notifier = Notifier.Instance;
var packet = SubscribePacket.GetSubscribePacket(json);
if (packet == null)
{
Send(new ResponsePacket(Statuscode.Status.SyntaxError, "resp-subscr"));
return;
}
var specialist = Authentication.GetUserByAuthToken(packet.AuthToken) as Specialist;
var client = Authentication.GetUser(packet.Client) as Client;
var success = packet.Subscribe ? notifier.Subscribe(specialist, client) : notifier.Unsubscribe(specialist, client);
if (packet.Subscribe)
{
ChatPacket serverToClientMessage = new ChatPacket(String.Format("{0} has connected to your training and is monitoring your progress.", specialist.Fullname),"","");
ChatPacket serverToSpecMessage = new ChatPacket(String.Format("You have sucessfully connected to {0}", client.Fullname), "", "");
Authentication.GetStream(client).Send(serverToClientMessage);
Authentication.GetStream(specialist).Send(serverToSpecMessage);
}
else
{
ChatPacket serverToClientMessage = new ChatPacket(String.Format("{0} has deemed you unworthy of his time and has disconnected.", specialist.Fullname), "", "");
ChatPacket serverToSpecMessage = new ChatPacket(String.Format("You have sucessfully abandoned {0}'s training.", client.Username), "", "");
Authentication.GetStream(client).Send(serverToClientMessage);
Authentication.GetStream(specialist).Send(serverToSpecMessage);
}
Send(new ResponsePacket(Statuscode.Status.Ok, "resp-subscr"));
}
private void _sendButton_Click(object sender, EventArgs e)
{
if (String.IsNullOrWhiteSpace(_textBox.Text))
return;
else
{
String message = _textBox.Text;
AddNewMessage(Settings.GetInstance().CurrentUser.Fullname, message);
string destination;
if (isSpecialist)
destination = client.Username;
else
destination = "";
JObject json = new ChatPacket(message, destination, Settings.GetInstance().authToken, broadcastCheckbox.Checked).ToJsonObject();
TCPController.Send(json.ToString());
_textBox.Text = "";
}
}
public void HandleChatPacket(JObject json)
{
var p = new ChatPacket(json);
//var destinationClientHandler = Authentication.GetStream(p.UsernameDestination);
var newPacket = new ChatPacket(p.Message, currentUser.Username, "SERVER");
if (currentUser.IsSpecialist || currentUser.IsAdministrator)
{
if (p.IsBroadcast)
{
var broadcast = new ChatPacket(p.Message, p.UsernameDestination, "", true);
Authentication.GetAllUsers().ForEach(x => x.Send(broadcast));
}
else
{
var spec = currentUser as Specialist;
var clients = Notifier.Instance.GetListeners(spec);
//get all other specialist subscribed to this client, excluding the sending specialist
var specialists =
Notifier.Instance.GetListeners((Client) _database.getUser(p.UsernameDestination))
.Where(x => x.Username != currentUser.Username);
var allReceivers = clients.Concat<User>(specialists).Distinct(new User.UserComparer());
allReceivers.ToList().ForEach(x => Authentication.GetStream(x).Send(newPacket));
}
}
else
{
var clie = currentUser as Client;
var specialists = Notifier.Instance.GetListeners(clie).ToList();
specialists.ForEach(x => Authentication.GetStream(x.Username).Send(newPacket));
}
}
