public async Task REQ_GetLatestKLine(string sym, Models.MktKLineType typ, int count, Action <int, Models.MktQueryKLineHistoryResult> cb, CancellationToken cancellationToken)
{
var args = new Models.MktQueryKLineHistoryRequestArgs
{
Sym = sym,
Typ = typ,
Count = count
};
var req = new WsMarketMessageRequest("GetLatestKLine", args);
await this.SendRequestAsync(req, (code, data) =>
{
//Models.MxQueryKLineHistoryResult result = new Models.MxQueryKLineHistoryResult();
if (code == 0)
{
var res = Helper.MyJsonSafeToObj <Models.MktQueryKLineHistoryResult>(data);
cb(code, res);
}
else
{
Debug.WriteLine("[-] GetLatestKLine failed: " + data.ToString());
cb(code, null);
}
},
cancellationToken);
}
public async Task REQ_Sub(List <string> subjects, Action <int, string> cb, CancellationToken cancellationToken, bool unSub)
{
var req = new WsMarketMessageRequest(unSub ? "UnSub" : "Sub", subjects);
await this.SendRequestAsync(req, (code, data) =>
{
var msg = string.Empty;
if (data != null)
{
msg = data.ToString();
}
cb(code, msg);
},
cancellationToken);
}
//public Task ConnectAsync(string url, CancellationToken cancellationToken)
//{
// this._ws?.Dispose();
// this._ws = new ClientWebSocket();
// return this._ws.ConnectAsync(new Uri(url), cancellationToken);
//}
private Task SendRequestAsync(WsMarketMessageRequest msg, Action <int, object> action, CancellationToken cancellationToken)
{
if (this._ws == null || this._ws.State != WebSocketState.Open)
{
throw new InvalidOperationException("websocket is not open");
}
try
{
_request_callback[msg.ReqID] = action; //_request_callback.TryAdd(msg.ReqID, action);
return(this._ws?.SendAsync(new ArraySegment <byte>(msg.GetMsgBuffer()), WebSocketMessageType.Text, true, cancellationToken));
}
catch (Exception ex)
{
_request_callback.Remove(msg.ReqID);
throw ex;
}
}
public async Task REQ_GetCompositeIndexAsync(Action <int, List <string> > cb, CancellationToken cancellationToken)
{
// {"rid":"41","code":0,"data":["GMEX_CI_ETH","GMEX_CI_ETC","GMEX_CI_LTC","GMEX_CI_BTC","GMEX_CI_EOS","GMEX_CI_XRP"]}
var req = new WsMarketMessageRequest("GetCompositeIndex", null);
await this.SendRequestAsync(req, (code, data) =>
{
List <string> indices = new List <string>();
if (code == 0)
{
var array = data as Newtonsoft.Json.Linq.JArray;
//var lines = data as Array;
foreach (var l in array)
{
indices.Add(l.ToObject <string>());
}
}
cb(code, indices);
},
cancellationToken);
}
public async Task REQ_TimeAsync(Action <int, long> cb, CancellationToken cancellationToken)
{
// {"req":"Time","rid":"123","expires":1545722275616,"args":1545722274616}
// {"rid":"123","code":0,"data":{"time":1545722274605,"data":"1545722274616"}}
long localtm = DateTimeOffset.Now.ToUnixTimeMilliseconds();
var req = new WsMarketMessageRequest("Time", localtm);
await this.SendRequestAsync(req, (code, data) =>
{
long delta = 0;
if (code == 0)
{
var obj = data as Newtonsoft.Json.Linq.JObject;
if (obj != null)
{
var servertm = obj["time"].ToObject <long>();
delta = servertm - localtm;
}
}
cb(code, delta);
},
cancellationToken);
}