private void UpgradeTask(CancellationToken cancelToken)
{
IUpgradeTasksModel upgradeTaskDataModel = ServiceLocator.Current.GetInstance <IUpgradeTasksModel>();
var deviceComparer = new DeviceEqualityComparer();
try
{
FtpServer.Instance.NewDataConnection += FtpServer_NewDataConnection;
FtpServer.Instance.ClosedDataConnection += FtpServer_ClosedDataConnection;
FtpServer.Instance.SentData += FtpServer_SentData;
upgradeTaskDataModel.RefillDataAsync().Wait();
//upgradeTaskDataModel.Data.Where(
upgradeTaskDataModel.Select(
t => t.Status == UpgradeStatus.InProgress &&
(t.LastStartTime == null ||
t.LastStartTime < _serviceStartTime)).ToList()
.ForEach(task => MarkUpgradeTaskTBD(upgradeTaskDataModel, task));
while (true)
{
_token.ThrowIfCancellationRequested();
// 刪除被使用者標記要刪除且非運行中的 Task
//var tasksToBeRemoved = upgradeTaskDataModel.Data.Where(
var tasksToBeRemoved = upgradeTaskDataModel.Select(
t => t.DeletedByUser &&
t.Status != UpgradeStatus.InProgress).ToList();
if (tasksToBeRemoved != null)
{
upgradeTaskDataModel.Delete(tasksToBeRemoved);
}
// 挑選出狀態為運行中但超過 20 秒未動作的 tasks，將其標記為 TBD
upgradeTaskDataModel.Select(
t => t.Status == UpgradeStatus.InProgress &&
(t.LastUpdateTime == null ||
(DateTime.Now - (DateTime)t.LastUpdateTime).TotalSeconds > 20)).ToList()
.ForEach(t => { MarkUpgradeTaskTBD(upgradeTaskDataModel, t); });
//var upgradeTasks = upgradeTaskDataModel.Data.Where(
// t => t.Status != UpgradeStatus.Removed).ToList();
var upgradeTasks = upgradeTaskDataModel.Select(
t => t.Status != UpgradeStatus.Removed,
t => t.Device,
t => t.UpgradeFile).ToList();
if (upgradeTasks != null)
{
var devices = (from t in upgradeTasks
where t.Device.online == 1
select t.Device).Distinct(deviceComparer).ToList();
//List<Task> tasks = new List<Task>();
foreach (var device in devices)
{
_token.ThrowIfCancellationRequested();
//tasks.Add(Task.Run(() => UpgradeTaskForEachDevice(upgradeTaskDataModel, device, cancelToken)));
UpgradeTaskForEachDevice(upgradeTaskDataModel, device, cancelToken);
}
//Task.WaitAll(tasks.ToArray());
}
Thread.Sleep(100);
}
}
catch (OperationCanceledException) { }
finally
{
FtpServer.Instance.NewDataConnection -= FtpServer_NewDataConnection;
FtpServer.Instance.ClosedDataConnection -= FtpServer_ClosedDataConnection;
FtpServer.Instance.SentData -= FtpServer_SentData;
}
}
// ConcurrentQueue<Task> updateTaskQueueForUpgradeTask = new ConcurrentQueue<Task>();
private void UpgradeTaskForEachDevice(IUpgradeTasksModel upgradeTaskDataModel, Device device, CancellationToken cancelToken)
{
// 刪除被使用者標記要刪除且非運行中的 Task
//var tasksToBeRemoved = upgradeTaskDataModel.Data.Where(
var tasksToBeRemoved = upgradeTaskDataModel.Select(
t => t.DeletedByUser &&
t.Status != UpgradeStatus.InProgress).ToList();
if (tasksToBeRemoved != null)
{
upgradeTaskDataModel.Delete(tasksToBeRemoved);
}
//var updateTasksPerDevice = upgradeTaskDataModel.Data.Where(
// t => t.DeviceID == device.id && t.Status != UpgradeStatus.Removed
var updateTasksPerDevice = upgradeTaskDataModel.Select(
t => t.DeviceID == device.id && t.Status != UpgradeStatus.Removed,
t => t.Device,
t => t.UpgradeFile
).OrderByDescending(t => t.UpgradeFile.filetype);
UpgradeTask candidateTask = null;
bool stopTrace = false;
try
{
foreach (var task in updateTasksPerDevice)
{
if (candidateTask == null ||
candidateTask.UpgradeFile.filetype != task.UpgradeFile.filetype)
{
//if (candidateTask != null && candidateTask.Status == UpgradeStatus.TBD)
//{
// put candidateTask to working queue
//PutUpgradeTaskInWorkingQueue(upgradeTaskDataModel, candidateTask);
//}
candidateTask = task;
stopTrace = false;
}
else if (!stopTrace)
{
// similar tasks:
// case 1.1: (x, T) // remove
// (1, T) // pick
// case 1.2: (1, C or W)
// (1, T) // remove
// case 1.3: (1, C or W)
// (2, T) // pick if 1 is C
// case 2.1: (x, T) // remove
// (x, T) // remove
// (1, T) // pick
// case 2.2: (1, C or W)
// (x, T) // remove
// (1, T) // remove
// case 2.3: (1, C or W)
// (x, T) // remove
// (2, T) // pick if 1 is C
if (task.Status == UpgradeStatus.TBD)
{
MarkUpgradeTaskRemoved(upgradeTaskDataModel, task);
}
else
{ // Complete or Working
if (candidateTask.UpgradeID == task.UpgradeID)
{
MarkUpgradeTaskRemoved(upgradeTaskDataModel, candidateTask);
}
else
{
if (task.Status != UpgradeStatus.Complete)
{
candidateTask = task;
}
}
stopTrace = true;
}
}
}
} catch (Exception) { return; }
//if (candidateTask != null && candidateTask.Status == UpgradeStatus.TBD)
//{
// // put candidateTask to working queue
// //PutUpgradeTaskInWorkingQueue(upgradeTaskDataModel, candidateTask);
//}
if (device.online == 0)
{
return;
}
var taskInProgress = (from t in updateTasksPerDevice.AsParallel()
where t.Status == UpgradeStatus.InProgress
select t).FirstOrDefault();
if (taskInProgress == null)
{
candidateTask = (from t in updateTasksPerDevice.AsParallel()
where t.Status == UpgradeStatus.TBD &&
!t.DeletedByUser
orderby t.ID
select t).FirstOrDefault();
if (candidateTask != null)
{
PutUpgradeTaskInWorkingQueue(upgradeTaskDataModel, candidateTask);
}
}
}