public void Pong(Guid pingId, long clientTimeSent)
{
//simulate up latency here
//System.Threading.Thread.Sleep(2000);
var serverTimeReceived = DateTime.UtcNow;
var ping = Pings[pingId];
var clientPing = TimeSyncMessage.NewFrom(ping);
clientPing.ConnectionId = Context.ConnectionId;
clientPing.ClientTimeSent = JavaScriptDateConverter.Convert(clientTimeSent);
clientPing.ServerTimeReceived = serverTimeReceived;
Pongs.AddOrUpdate(clientPing.ConnectionId, c => clientPing, (c, old) =>
{
if (old.Roundtrip > clientPing.Roundtrip)
{
//this was more accurate...use it
return(clientPing);
}
else
{
return(old);
}
});
ShowPings();
}
public static TimeSyncMessage NewFrom(TimeSyncMessage message)
{
return(new TimeSyncMessage
{
PingId = message.PingId,
ConnectionId = message.ConnectionId,
ServerTimeSent = message.ServerTimeSent,
ClientTimeSent = message.ClientTimeSent,
ServerTimeReceived = message.ServerTimeReceived
});
}
public static void StartPing_Static()
{
var ping = new TimeSyncMessage
{
PingId = Guid.NewGuid(),
ServerTimeSent = DateTime.UtcNow
};
//simulate down latency here
//System.Threading.Thread.Sleep(2000);
var hub = GlobalHost.ConnectionManager.GetHubContext <TimeSync>();
hub.Clients.All.timeSyncRequest(ping);
Pings.AddOrUpdate(ping.PingId, k => ping, (k, old) => ping);
}