private void OnReceive()
{
try
{
var buf = new byte[1024 * 1024];
var pos = 0;
var errorCount = 0;
const int maxErrorCount = 10;
while (!IsDisposed && _connected)
{
try
{
var task = _ws.ReceiveAsync(new ArraySegment <byte>(buf, pos, buf.Length - pos), _source.Token);
task.Wait();
var result = task.Result;
if (result.CloseStatus != null)
{
if (task.Exception != null)
{
PusherError.SafeInvoke(task.Exception);
}
break;
}
pos += result.Count;
if (!result.EndOfMessage)
{
continue;
}
var recv = Encoding.UTF8.GetString(buf, 0, pos);
this.AddDebugLog(recv);
pos = 0;
var obj = JsonConvert.DeserializeObject <ChannelData>(recv);
switch (obj.Event)
{
case "pusher:connection_established":
PusherConnected.SafeInvoke();
break;
case "pusher_internal:subscription_succeeded":
{
switch (obj.Channel)
{
case "live_trades":
TradesSubscribed.SafeInvoke();
break;
case "order_book":
OrderBooksSubscribed.SafeInvoke();
break;
default:
this.AddErrorLog(LocalizedStrings.Str3311Params, obj.Event);
break;
}
break;
}
case "trade":
NewTrade.SafeInvoke(JsonConvert.DeserializeObject <Trade>(obj.Data));
break;
case "data":
NewOrderBook.SafeInvoke(JsonConvert.DeserializeObject <OrderBook>(obj.Data));
break;
default:
this.AddErrorLog(LocalizedStrings.Str3312Params, obj.Event);
break;
}
errorCount = 0;
}
catch (AggregateException ex)
{
PusherError.SafeInvoke(ex);
var socketError = ex.InnerExceptions.FirstOrDefault() as WebSocketException;
if (socketError != null)
{
break;
}
if (++errorCount >= maxErrorCount)
{
this.AddErrorLog("Max error {0} limit reached.", maxErrorCount);
break;
}
}
catch (Exception ex)
{
PusherError.SafeInvoke(ex);
}
}
_ws.CloseAsync(WebSocketCloseStatus.Empty, string.Empty, _source.Token).Wait();
_ws.Dispose();
PusherDisconnected.SafeInvoke();
}
catch (Exception ex)
{
PusherError.SafeInvoke(ex);
}
}
private void OnProcess(dynamic obj)
{
var channel = (string)obj.channel;
var evt = (string)obj.@event;
var data = obj.data;
//if (data != null && evt != "bts:error")
// data = ((string)data).DeserializeObject<object>();
switch (evt)
{
//case "pusher:connection_established":
// _activityTimeout = (int)data.activity_timeout;
// _nextPing = DateTime.UtcNow.AddSeconds(_activityTimeout);
// Connected?.Invoke();
// break;
case "bts:error":
Error?.Invoke(new InvalidOperationException((string)data.message));
break;
case "ping":
SendPingPong("pong");
break;
case "pong":
break;
case "bts:subscription_succeeded":
{
if (channel.StartsWith(ChannelNames.OrderBook))
{
OrderBookSubscribed?.Invoke(GetPair(channel, ChannelNames.OrderBook));
}
else if (channel.StartsWith(ChannelNames.Trades))
{
TradesSubscribed?.Invoke(GetPair(channel, ChannelNames.Trades));
}
else if (channel.StartsWith(ChannelNames.OrderLog))
{
OrderLogSubscribed?.Invoke(GetPair(channel, ChannelNames.OrderLog));
}
else
{
this.AddErrorLog(LocalizedStrings.Str3311Params, channel);
}
break;
}
case "bts:unsubscription_succeeded":
{
if (channel.StartsWith(ChannelNames.OrderBook))
{
OrderBookUnSubscribed?.Invoke(GetPair(channel, ChannelNames.OrderBook));
}
else if (channel.StartsWith(ChannelNames.Trades))
{
TradesUnSubscribed?.Invoke(GetPair(channel, ChannelNames.Trades));
}
else if (channel.StartsWith(ChannelNames.OrderLog))
{
OrderLogUnSubscribed?.Invoke(GetPair(channel, ChannelNames.OrderLog));
}
else
{
this.AddErrorLog(LocalizedStrings.Str3311Params, channel);
}
break;
}
case "trade":
NewTrade?.Invoke(GetPair(channel, ChannelNames.Trades), ((JToken)data).DeserializeObject <Trade>());
break;
case "data":
NewOrderBook?.Invoke(GetPair(channel, ChannelNames.OrderBook), ((JToken)data).DeserializeObject <OrderBook>());
break;
case "order_created":
case "order_changed":
case "order_deleted":
NewOrderLog?.Invoke(GetPair(channel, ChannelNames.OrderLog), evt == "order_deleted" ? OrderStates.Done : OrderStates.Active, ((JToken)data).DeserializeObject <Order>());
break;
default:
this.AddErrorLog(LocalizedStrings.Str3312Params, evt);
break;
}
}