public object DeleteBacktest(int id)
{
using (var ctx = new quantEntities()) {
backtest b = ctx.backtest.Find(id);
if (b != null)
{
ctx.backtest.Remove(b);
ctx.SaveChanges();
}
}
var data = new {
id = id
};
return(Helper.JsonConverter.BuildResult(data));
}
public async Task ProcessRequest(AspNetWebSocketContext context)
{
var socket = context.WebSocket; //传入的context中有当前的web socket对象
_sockets.Add(socket); //此处将web socket对象加入一个静态列表中
string connectionId = context.AnonymousID;
//string code = context.QueryString["code"];
string strategy_id = context.QueryString["strategy_id"];
string time = context.QueryString["time"];
string user_id = context.QueryString["user_id"];
// backtest item
int data_id = 1;
var sy = "";
var nsy = "";
var hc = "";
var xp = "";
string report_path = "";
DateTime dt = DateTime.ParseExact(time, "yyyy-MM-dd HH:mm:ss",
System.Globalization.CultureInfo.InvariantCulture);
string new_time = dt.ToString("yyyyMMddHHmmss");
string origin_time = dt.ToString("yyyy-MM-dd HH:mm:ss");
StringBuilder sb = new StringBuilder();
Convert(origin_time, sb);
string new_time_2 = sb.ToString();
string path = common_path + @"\" + user_id;
string file = new_time + ".py";
//utils.saveFile(code, path, file);
utils.copyFile(path + @"\" + file, common_path + @"\" + file);
// 回测
Task t = new Task(() => {
string sArguments = common_path + @"\" + file;
EngineRunner runner = new EngineRunner(user_id);
runner.RunPythonScript(sArguments);
});
t.Start();
byte[] bytes;
ArraySegment <byte> buffer;
var topic = user_id;
using (var subSocket = new SubscriberSocket()) {
subSocket.Options.ReceiveHighWatermark = 1000;
subSocket.Connect("tcp://*****:*****@"\" + backtest_id + @".docx";
WordFileOperator.CreateReport(code, time, file_path);
//进入一个无限循环，当web socket close时循环结束
while (true)
{
//var buffer = new ArraySegment<byte>(new byte[1024]);
var receivedResult = await socket.ReceiveAsync(buffer, CancellationToken.None);//对web socket进行异步接收数据
if (receivedResult.MessageType == WebSocketMessageType.Close)
{
await socket.CloseAsync(WebSocketCloseStatus.Empty, string.Empty, CancellationToken.None);//如果client发起close请求，对client进行ack
_sockets.Remove(socket);
break;
}
if (socket.State == System.Net.WebSockets.WebSocketState.Open)
{
string recvMsg = Encoding.UTF8.GetString(buffer.Array, 0, receivedResult.Count);
var recvBytes = Encoding.UTF8.GetBytes(recvMsg);
var sendBuffer = new ArraySegment <byte>(recvBytes);
foreach (var innerSocket in _sockets)//当接收到文本消息时，对当前服务器上所有web socket连接进行广播
{
if (innerSocket != socket)
{
await innerSocket.SendAsync(sendBuffer, WebSocketMessageType.Text, true, CancellationToken.None);
}
}
}
}
}
}
