private void notifyTaskSuccess(string userId, StockTaskStatus sts, List <RealTimeData> retList)
{
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var hubContext = scopedServices.GetRequiredService <IHubContext <NotificationsHub> >();
//hubContext.Clients.All.SendAsync("notification", "test");
//var test = hubContext.Clients.User(userId); //能够找到user，但是客户端接收不到
hubContext.Clients.User(userId).SendAsync(
"notification",
new Notification <TaskSuccessPayload>
{
NotificationType = NotificationType.TaskSuccess,
Payload = new TaskSuccessPayload
{
Message = "task success",
Result = retList,
}
}
);
}
}
protected void StockTaskStart()
{
string userId = _userId;
//if (await this.isFetchingRealTimeData())
//{
// throw new Exception("服务器后台正在获取实时数据，请等会再尝试当前操作");
//}
StockTaskStatus oldStatus;
if (_stockTaskStatusDic.TryGetValue(userId, out oldStatus))
{
int duration = _configuration.GetValue <int>("MaximumTaskDuration");
if (DateTime.Now.Subtract(oldStatus.StartTime).TotalSeconds > duration)
{
//有任务超时了，但是没有被清除
_stockTaskStatusDic.TryRemove(userId, out oldStatus);
}
}
var tempSts = new StockTaskStatus()
{
Id = Guid.NewGuid(),
StartTime = DateTime.Now,
};
if (_stockTaskStatusDic.TryAdd(userId, tempSts) == false)
{
//throw new Exception("has another task running");
throw new Exception("任务失败，因为当前用户已经有一个任务在服务端上执行");
}
else
{
//成功了才能更新_taskStatus
_taskStatus = tempSts;
notifyTaskStart(userId, _taskStatus);
}
System.Diagnostics.Debug.WriteLine($"_stock task is starting , add status {_taskStatus} ");
}
private void notifyTaskFail(string userId, StockTaskStatus sts, string message, List <RealTimeData> retList)
{
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var hubContext = scopedServices.GetRequiredService <IHubContext <NotificationsHub> >();
hubContext.Clients.User(userId).SendAsync(
"notification",
new Notification <TaskFailPayload>
{
NotificationType = NotificationType.TaskFail,
Payload = new TaskFailPayload
{
Message = message,
ResultList = retList,
}
}
);
}
}
private void notifyTaskProgress(string userId, StockTaskStatus sts)
{
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var hubContext = scopedServices.GetRequiredService <IHubContext <NotificationsHub> >();
int progress = 100 * _progressedCnt / _allItemsCnt;
hubContext.Clients.User(userId).SendAsync(
"notification",
new Notification <TaskProgressPayload>
{
NotificationType = NotificationType.TaskProgress,
Payload = new TaskProgressPayload
{
Progress = progress,
}
}
);
}
}
private void notifyTaskStart(string userId, StockTaskStatus sts)
{
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var hubContext = scopedServices.GetRequiredService <IHubContext <NotificationsHub> >();
hubContext.Clients.User(userId).SendAsync(
"notification",
new Notification <TaskStartPayload>
{
NotificationType = NotificationType.TaskStart,
Payload = new TaskStartPayload
{
Status = sts,
}
}
);
}
}
