/// <summary>
/// Broadcasts a position message to all online users
/// </summary>
/// <param name="Message">The chat message to be broadcasted</param>
/// <param name="AContext">The user's connection context</param>
private static void SetPosition(RCATContext RContext, ServerMessage message)
{
try
{
User user = new User();
user = (User)serializer.Deserialize(new JTokenReader(message.Data), typeof(User));
dataConnector.SetPosition(user.n, user.p, message.TimeStamp);
string[] clients = dataConnector.GetAllUsersNames();
dynamic data = new { n = user.n, p = user.p };
RContext.Broadcast(data, clients, ResponseType.Position, message.TimeStamp);
}
catch (Exception e)
{
Log.Error(e);
}
}
/// <summary>
/// Sends an error message to the client who caused the error
/// </summary>
/// <param name="ErrorMessage">Details of the error</param>
/// <param name="AContext">The user's connection context</param>
private static void SendError(string ErrorMessage, UserContext AContext, ServerMessage message)
{
Log.Warn("Error Message: " + ErrorMessage);
Message r = new Message();
r = new Message();
r.Type = ResponseType.Error;
r.Data = new { Message = ErrorMessage };
//AContext.Send(JsonConvert.SerializeObject(r));
}
/// <summary>
/// Event fired when a client connects to the Alchemy Websockets server instance.
/// Adds the client to the online users list.
/// </summary>
/// <param name="AContext">The user's connection context</param>
public static void OnConnect(RCATContext RContext, ServerMessage message)
{
try
{
Log.Info("Client Connection From : " + (string)message.Data);
SendAllUsers(RContext, message.Data);
}
catch (Exception e)
{
Log.Error("Exception in OnConnect", e);
}
}
// NOTE: This is not safe code. You may end up broadcasting to people who
// disconnected. Luckily for us, Alchemy handles exceptions in its event methods, so we don't
// have random, catastrophic changes.
/// <summary>
/// Event triggered when a user disconnected from a proxy
/// Remove a user from the online users list
/// and broadcast the disconnection message to all connected users.
/// </summary>
/// <param name="AContext">The user's connection context</param>
public static void OnDisconnect(RCATContext RContext, ServerMessage message)
{
try
{
Log.Info("[PROXY->SERVANT]: User disconnected: " + message.Data);
User user = dataConnector.GetUser(message.Data);
Message r = new Message();
if (!String.IsNullOrEmpty(user.n))
{
dataConnector.RemoveUser(user.n);
string[] clients = dataConnector.GetAllUsersNames();
RContext.Broadcast(new { n = user.n }, clients, ResponseType.Disconnect, message.TimeStamp);
}
else
Log.Warn("[PROXY->SERVANT]: User " + user.n + " not found OnDisconnect.");
}
catch (Exception e)
{
Log.Error("[PROXY->SERVANT]: Error in OnDisconnect.",e);
}
}
/// <summary>
/// Sends client data to the server
/// </summary>
/// <param name="client"></param>
public void SendPosition(User client, long timestamp)
{
//ServerContext server = clientPerServer[client.Name];
ServerContext server = PickServer();
ServerMessage resp = new ServerMessage();
resp.Type = ResponseType.Position;
resp.Data = client;
resp.TimeStamp = timestamp;
server.Send(Newtonsoft.Json.JsonConvert.SerializeObject(resp));
}
