/// <summary>
/// Parses plain txt update to CryptoCurrencyUpdate
/// sample input: 42["m","0~Bitfinex~BTC~USD~1~159021061~1515488499~0.119~15091.30724464~1795.86556211216~1f"]
/// </summary>
/// <param name="str"></param>
/// <returns>Return null if parsing was not possible</returns>
private CryptoCurrencyUpdate Parse(String str)
{
if (str.Length < 3 || !str.Substring(0, 2).Equals("42"))
{
return(null);
}
CryptoCurrencyUpdate retVal = new CryptoCurrencyUpdate();
var strValues = str.Substring(2).Split(',')[1].Split('~');
if (strValues[0].Substring(1) != "0")
{
return(null);
}
retVal.ExchangeName = strValues[1];
retVal.CryptoCurrencyName = strValues[2];
retVal.FiatCurrencyName = strValues[3];
decimal decVal;
if (decimal.TryParse(strValues[7], NumberStyles.Number, CultureInfo.InvariantCulture, out decVal))
{
retVal.Quantity = decVal;
}
if (decimal.TryParse(strValues[8], NumberStyles.Number, CultureInfo.InvariantCulture, out decVal))
{
retVal.LastPrice = decVal;
}
return(retVal);
}
public async void StartLoadingData()
{
ws = new ClientWebSocket();
await ws.ConnectAsync(new Uri("wss://streamer.cryptocompare.com/socket.io/?transport=websocket"), CancellationToken.None);
_timer.Start();
var data2 = "42[\"SubAdd\",{\"subs\":[\"0~Cryptsy~BTC~USD\",\"0~Bitstamp~BTC~USD\",\"0~OKCoin~BTC~USD\",\"0~Coinbase~BTC~USD\",\"0~Poloniex~BTC~USD\",\"0~Cexio~BTC~USD\",\"0~BTCE~BTC~USD\",\"0~BitTrex~BTC~USD\",\"0~Kraken~BTC~USD\",\"0~Bitfinex~BTC~USD\",\"0~LocalBitcoins~BTC~USD\",\"0~itBit~BTC~USD\",\"0~HitBTC~BTC~USD\",\"0~Coinfloor~BTC~USD\",\"0~Huobi~BTC~USD\",\"0~LakeBTC~BTC~USD\",\"0~Coinsetter~BTC~USD\",\"0~CCEX~BTC~USD\",\"0~MonetaGo~BTC~USD\",\"0~Gatecoin~BTC~USD\",\"0~Gemini~BTC~USD\",\"0~CCEDK~BTC~USD\",\"0~Exmo~BTC~USD\",\"0~Yobit~BTC~USD\",\"0~BitBay~BTC~USD\",\"0~QuadrigaCX~BTC~USD\",\"0~BitSquare~BTC~USD\",\"0~TheRockTrading~BTC~USD\",\"0~Quoine~BTC~USD\",\"0~LiveCoin~BTC~USD\",\"0~WavesDEX~BTC~USD\",\"0~Lykke~BTC~USD\",\"0~Remitano~BTC~USD\",\"0~Coinroom~BTC~USD\",\"0~Abucoins~BTC~USD\",\"0~TrustDEX~BTC~USD\",\"0~BTCChina~BTC~USD\",\"0~bitFlyer~BTC~USD\"]}]";
await SendData(data2);
ArraySegment <Byte> readbuffer = new ArraySegment <byte>(new Byte[8192]);
while (ws.State == WebSocketState.Open)
{
CryptoCurrencyUpdate updateValue = null;
try
{
var result = await ws.ReceiveAsync(readbuffer, CancellationToken.None);
var str = System.Text.Encoding.Default.GetString(readbuffer.Array, readbuffer.Offset, result.Count);
updateValue = Parse(str);
if (updateValue != null)
{
DataRecieved?.Invoke(this, updateValue);
}
}
catch (TaskCanceledException)
{
System.Diagnostics.Debug.Write("WebSocket Stopped");
}
}
}
