public void Broadcast(dynamic data, string[] clients, ResponseType type, long timestamp)
{
ClientMessage cb = new ClientMessage();
cb.clients = clients;
cb.Data = data;
cb.Type = type;
cb.TimeStamp = timestamp;
Send(Newtonsoft.Json.JsonConvert.SerializeObject(cb));
}
/// <summary>
/// Informs a user of all the existing clients.
/// </summary>
private static void SendAllUsers(RCATContext RContext, string client)
{
try
{
ClientMessage r = new ClientMessage();
r = new ClientMessage();
r.Type = ResponseType.AllUsers;
r.clients = new string[1];
r.clients[0] = client;
// Using database
User[] arr = dataConnector.GetAllUsers();
r.Data = new { Users = arr };
RContext.Send(JsonConvert.SerializeObject(r));
}
catch (Exception e)
{
Log.Error("Exception in SendAllUsers:",e);
}
}
public void SendToClient(ClientMessage message)
{
string name = message.clients[0];
UserContext user = Proxy.onlineUsers[name];
try
{
Message m = new Message();
m.Type = message.Type;
m.Data = message.Data;
string json = JsonConvert.SerializeObject(m);
user.Send(json);
}
catch
{
Log.Debug("[PROXY->CLIENT]: User " + user + " not found.");
}
}
/// <summary>
///send the same data to multiple clients (broadcast contains the data to send and the array of clients to send to)
/// </summary>
/// <param name="broadcast"></param>
public void BroadcastToClients(ClientMessage broadcast)
{
try
{
string name = (string)broadcast.Data.SelectToken("n");
UserContext user = null;
if (Proxy.onlineUsers.ContainsKey(name))
user = Proxy.onlineUsers[name];
else
{
Log.Debug("User " + name + " not present in this Proxy");
return;
}
long lastupdate = user.LastUpdate;
if (broadcast.Type == ResponseType.Disconnect)
lastupdate = 0; // Just to be sure it will enter next if
user.SendingSemaphore.Wait();
if (broadcast.TimeStamp >= lastupdate)
{
user.LastUpdate = broadcast.TimeStamp;
Message m = new Message();
m.Type = broadcast.Type;
m.Data = broadcast.Data;
string json = JsonConvert.SerializeObject(m);
foreach (string client in broadcast.clients)
{
try
{
UserContext cl = Proxy.onlineUsers[client];
cl.Send(json);
}
catch
{
Log.Debug("[PROXY->CLIENT]: User " + client + " not found.");
}
}
}
else
{
user.LatePackets++;
user.SendingSemaphore.Release();
return;
}
if (broadcast.Type == ResponseType.Disconnect)
{
if (Proxy.onlineUsers.ContainsKey(name))
Proxy.onlineUsers.Remove(name);
}
else
{
user.SentCounter--;
if (user.SentCounter <= 0 && lastupdate > 0)
{
user.SentCounter = UserContext.DefaultSentCounter;
long timetoprocess = user.TimeToProcess;
LoggingObject logobj = new LoggingObject(broadcast.TimeStamp, user, timetoprocess);
ThreadPool.QueueUserWorkItem(new WaitCallback(LogRoundTrip), logobj);
user.TimeToProcess = DateTime.Now.Ticks;
}
}
user.SendingSemaphore.Release();
}
catch (Exception e)
{
Log.Error(e);
}
}
