public async ValueTask BStart(CancellationToken cancelToken, string symbol)
{
BNLogger.SNG.WriteO(this, $"bpolling service start...");
if (__bnconfig.UsePollingTicker == true)
{
PollingTasks.Add(Task.Run(async() =>
{
var _client = CreateJsonClient(publicApi.publicClient.ApiUrl);
var _b_params = new Dictionary <string, object>();
var _b_request = CreateJsonRequest($"/ticker/bookTicker", _b_params);
var _last_limit_milli_secs = 0L;
while (true)
{
try
{
await Task.Delay(0);
var _waiting_milli_secs = (CUnixTime.NowMilli - __bnconfig.PollingPrevTime) / __bnconfig.PollingTermTime;
if (_waiting_milli_secs == _last_limit_milli_secs)
{
var _waiting = cancelToken.WaitHandle.WaitOne(0);
if (_waiting == true)
{
break;
}
await Task.Delay(10);
continue;
}
_last_limit_milli_secs = _waiting_milli_secs;
// ticker
var _b_json_value = await RestExecuteAsync(_client, _b_request);
if (_b_json_value.IsSuccessful && _b_json_value.Content[0] == '[')
{
var _b_json_data = JsonConvert.DeserializeObject <List <BTickerItem> >(_b_json_value.Content);
var _tickers = new STickers
{
exchange = BNLogger.SNG.exchange_name,
stream = "ticker",
sequentialId = _last_limit_milli_secs,
result = _b_json_data.Where(t => t.symbol == symbol).ToList <STickerItem>()
};
var _b_json_content = JsonConvert.SerializeObject(_tickers);
Processing.SendReceiveQ(new QMessage {
command = "AP", payload = _b_json_content
});
}
else
{
var _http_status = (int)_b_json_value.StatusCode;
if (_http_status == 403 || _http_status == 418 || _http_status == 429)
{
BNLogger.SNG.WriteQ(this, $"request-limit: https_status => {_http_status}");
var _waiting = cancelToken.WaitHandle.WaitOne(0);
if (_waiting == true)
{
break;
}
await Task.Delay(1000); // waiting 1 second
}
}
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
BNLogger.SNG.WriteX(this, ex.ToString());
}
//finally
{
if (cancelToken.IsCancellationRequested == true)
{
break;
}
}
var _cancelled = cancelToken.WaitHandle.WaitOne(0);
if (_cancelled == true)
{
break;
}
}
},
cancelToken
));
}
await Task.WhenAll(PollingTasks);
BNLogger.SNG.WriteO(this, $"bpolling service stop...");
}
public async ValueTask OStart(CancellationToken cancelToken, string symbol)
{
BNLogger.SNG.WriteO(this, $"polling service start: symbol => {symbol}...");
if (__bnconfig.UsePollingTicker == false)
{
PollingTasks.Add(Task.Run(async() =>
{
var _client = CreateJsonClient(publicApi.publicClient.ApiUrl);
var _o_params = new Dictionary <string, object>();
{
_o_params.Add("symbol", symbol.ToUpper());
_o_params.Add("limit", 20);
}
var _o_request = CreateJsonRequest($"/depth", _o_params);
var _last_limit_milli_secs = 0L;
while (true)
{
try
{
await Task.Delay(0);
var _waiting_milli_secs = (CUnixTime.NowMilli - __bnconfig.PollingPrevTime) / __bnconfig.PollingTermTime;
if (_waiting_milli_secs == _last_limit_milli_secs)
{
var _waiting = cancelToken.WaitHandle.WaitOne(0);
if (_waiting == true)
{
break;
}
await Task.Delay(10);
}
else
{
_last_limit_milli_secs = _waiting_milli_secs;
// orderbook
var _o_json_value = await RestExecuteAsync(_client, _o_request);
if (_o_json_value.IsSuccessful && _o_json_value.Content[0] == '{')
{
var _o_json_data = JsonConvert.DeserializeObject <BAOrderBookItem>(_o_json_value.Content);
_o_json_data.symbol = symbol;
_o_json_data.lastId = _last_limit_milli_secs;
var _orderbook = new BAOrderBook
{
stream = "orderbook",
data = _o_json_data
};
var _o_json_content = JsonConvert.SerializeObject(_orderbook);
Processing.SendReceiveQ(new QMessage {
command = "AP", payload = _o_json_content
});
}
else
{
var _http_status = (int)_o_json_value.StatusCode;
if (_http_status == 403 || _http_status == 418 || _http_status == 429)
{
BNLogger.SNG.WriteQ(this, $"request-limit: symbol => {symbol}, https_status => {_http_status}");
var _waiting = cancelToken.WaitHandle.WaitOne(0);
if (_waiting == true)
{
break;
}
await Task.Delay(1000); // waiting 1 second
}
}
}
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
BNLogger.SNG.WriteX(this, ex.ToString());
}
//finally
{
//__semaphore.Release();
if (cancelToken.IsCancellationRequested == true)
{
break;
}
}
var _cancelled = cancelToken.WaitHandle.WaitOne(0);
if (_cancelled == true)
{
break;
}
}
},
cancelToken
));
}
await Task.WhenAll(PollingTasks);
BNLogger.SNG.WriteO(this, $"polling service stopped: symbol => {symbol}...");
}
public async ValueTask Start(CancellationToken cancelToken, string symbol)
{
BNLogger.SNG.WriteO(this, $"pushing service start: symbol => {symbol}...");
using (var _cws = new ClientWebSocket())
{
var _sending = Task.Run(async() =>
{
while (true)
{
try
{
await Task.Delay(0);
var _waiting_time = CUnixTime.NowMilli - __last_receive_time;
if (_waiting_time > __bnconfig.WebSocketRetry * 1000)
{
__last_receive_time = CUnixTime.NowMilli;
await Open(cancelToken, _cws, symbol);
BNLogger.SNG.WriteO(this, $"pushing open: symbol => {symbol}...");
}
var _message = (QMessage)null;
if (CommandQ.TryDequeue(out _message) == false)
{
var _cancelled = cancelToken.WaitHandle.WaitOne(0);
if (_cancelled == true)
{
break;
}
await Task.Delay(10);
}
else
{
await SendAsync(cancelToken, _cws, _message.payload);
}
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
BNLogger.SNG.WriteX(this, ex.ToString());
}
//finally
{
if (_cws.State != WebSocketState.Open)
{
BNLogger.SNG.WriteO(this, $"disconnect from server(cmd): symbol => {symbol}...");
//cancelToken.Cancel();
break;
}
if (cancelToken.IsCancellationRequested == true)
{
break;
}
}
}
},
cancelToken
);
var _receiving = Task.Run(async() =>
{
var _buffer_size = 1024 * 16;
var _buffer = new byte[_buffer_size];
var _offset = 0;
var _free = _buffer.Length;
while (true)
{
try
{
if (_cws.State == WebSocketState.None || _cws.State == WebSocketState.Connecting)
{
await Task.Delay(1000);
continue;
}
var _result = await _cws.ReceiveAsync(new ArraySegment <byte>(_buffer, _offset, _free), cancelToken);
_offset += _result.Count;
_free -= _result.Count;
if (_result.EndOfMessage == false)
{
if (_free == 0)
{
Array.Resize(ref _buffer, _buffer.Length + _buffer_size);
_free = _buffer.Length - _offset;
}
continue;
}
__last_receive_time = CUnixTime.NowMilli;
if (_result.MessageType == WebSocketMessageType.Text)
{
var _json = Encoding.UTF8.GetString(_buffer, 0, _offset);
var _selector = JsonConvert.DeserializeObject <QSelector>(_json);
var _stream = _selector.stream.Split('@')[1];
if (_stream == "aggTrade")
{
_stream = "trade";
}
else if (_stream == "depth")
{
_stream = "orderbook";
}
Processing.SendReceiveQ(new QMessage
{
command = "WS",
stream = _stream,
payload = _json
});
}
else if (_result.MessageType == WebSocketMessageType.Binary)
{
}
else if (_result.MessageType == WebSocketMessageType.Close)
{
await _cws.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, "", cancelToken);
BNLogger.SNG.WriteO(this, $"receive close message from server: symbol => {symbol}...");
//cancelToken.Cancel();
break;
}
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
BNLogger.SNG.WriteX(this, ex.ToString());
}
//finally
{
if (_cws.State != WebSocketState.Open)
{
BNLogger.SNG.WriteO(this, $"disconnect from server: symbol => {symbol}...");
//cancelToken.Cancel();
break;
}
if (cancelToken.IsCancellationRequested == true)
{
break;
}
_offset = 0;
_free = _buffer.Length;
}
}
},
cancelToken
);
await Task.WhenAll(_sending, _receiving);
BNLogger.SNG.WriteO(this, $"pushing service stopped: symbol => {symbol}...");
}
}
