private void OnMessage(object sender, WebSocketMessage e)
{
var webSocket = (BitfinexWebSocketWrapper)sender;
try
{
var token = JToken.Parse(e.Message);
webSocket.ConnectionHandler.KeepAlive(DateTime.UtcNow);
if (token is JArray)
{
var channel = token[0].ToObject <int>();
if (token[1].Type == JTokenType.String)
{
var type = token[1].Value <string>();
switch (type)
{
// heartbeat
case "hb":
return;
// trade execution
case "te":
OnUpdate(webSocket, channel, token[2].ToObject <string[]>());
break;
// ignored -- trades already handled in "te" message
// https://github.com/bitfinexcom/bitfinex-api-node#te-vs-tu-messages
case "tu":
break;
default:
Log.Trace($"BitfinexSubscriptionManager.OnMessage(): Unexpected message type: {type}");
return;
}
}
// public channels
else if (channel != 0 && token[1].Type == JTokenType.Array)
{
if (token[1][0].Type == JTokenType.Array)
{
OnSnapshot(
webSocket,
channel,
token[1].ToObject <string[][]>()
);
}
else
{
// pass channel id as separate arg
OnUpdate(
webSocket,
channel,
token[1].ToObject <string[]>()
);
}
}
}
else if (token is JObject)
{
var raw = token.ToObject <BaseMessage>();
switch (raw.Event.ToLowerInvariant())
{
case "subscribed":
OnSubscribe(webSocket, token.ToObject <ChannelSubscription>());
return;
case "unsubscribed":
OnUnsubscribe(webSocket, token.ToObject <ChannelUnsubscribing>());
return;
case "auth":
case "info":
case "ping":
return;
case "error":
var error = token.ToObject <ErrorMessage>();
// 10300 Subscription failed (generic) | 10301 : Already subscribed | 10302 : Unknown channel
// see https://docs.bitfinex.com/docs/ws-general
if (error.Code == 10300 || error.Code == 10301 || error.Code == 10302)
{
_subscribeErrorCode = error.Code;
_onSubscribeEvent.Set();
}
Log.Error($"BitfinexSubscriptionManager.OnMessage(): {e.Message}");
return;
default:
Log.Trace($"BitfinexSubscriptionManager.OnMessage(): Unexpected message format: {e.Message}");
break;
}
}
}
catch (Exception exception)
{
_brokerage.OnMessage(new BrokerageMessageEvent(BrokerageMessageType.Error, -1, $"Parsing wss message failed. Data: {e.Message} Exception: {exception}"));
throw;
}
}
private void OnMessage(object sender, WebSocketMessage e)
{
var webSocket = (BitfinexWebSocketWrapper)sender;
try
{
var token = JToken.Parse(e.Message);
if (token is JArray)
{
var channel = token[0].ToObject <int>();
// heartbeat
if (token[1].Type == JTokenType.String && token[1].Value <string>() == "hb")
{
webSocket.ConnectionHandler.KeepAlive(DateTime.UtcNow);
return;
}
// public channels
if (channel != 0)
{
webSocket.ConnectionHandler.KeepAlive(DateTime.UtcNow);
if (token.Count() == 2)
{
OnSnapshot(
webSocket,
token[0].ToObject <string>(),
token[1].ToObject <string[][]>()
);
}
else
{
// pass channel id as separate arg
OnUpdate(
webSocket,
token[0].ToObject <string>(),
token.ToObject <string[]>().Skip(1).ToArray()
);
}
}
}
else if (token is JObject)
{
var raw = token.ToObject <Messages.BaseMessage>();
switch (raw.Event.ToLowerInvariant())
{
case "subscribed":
OnSubscribe(webSocket, token.ToObject <Messages.ChannelSubscription>());
return;
case "unsubscribed":
OnUnsubscribe(webSocket, token.ToObject <Messages.ChannelUnsubscribing>());
return;
case "auth":
case "info":
case "ping":
return;
case "error":
Log.Error($"BitfinexSubscriptionManager.OnMessage(): {e.Message}");
return;
default:
Log.Trace($"BitfinexSubscriptionManager.OnMessage(): Unexpected message format: {e.Message}");
break;
}
}
}
catch (Exception exception)
{
_brokerage.OnMessage(new BrokerageMessageEvent(BrokerageMessageType.Error, -1, $"Parsing wss message failed. Data: {e.Message} Exception: {exception}"));
throw;
}
}