private void StartWorker(IDeploymentTargetWorker deploymentTargetWorker, CancellationToken stoppingToken)
{
try
{
TryStartWorker(deploymentTargetWorker, stoppingToken);
}
catch (Exception ex)
{
_logger.Error(ex, "Could not start worker for target id {TargetId}", deploymentTargetWorker.TargetId);
}
}
private void TryStartWorker(IDeploymentTargetWorker deploymentTargetWorker, CancellationToken stoppingToken)
{
_logger.Debug("Trying to start worker for target id {TargetId}", deploymentTargetWorker.TargetId);
if (_tasks.ContainsKey(deploymentTargetWorker.TargetId))
{
if (deploymentTargetWorker.IsRunning)
{
_logger.Debug("Worker for target id {TargetId} is already running",
deploymentTargetWorker.TargetId);
return;
}
Task task = _tasks[deploymentTargetWorker.TargetId];
if (!task.IsCompleted && _cancellations.ContainsKey(deploymentTargetWorker.TargetId))
{
CancellationTokenSource tokenSource = _cancellations[deploymentTargetWorker.TargetId];
try
{
if (!tokenSource.IsCancellationRequested)
{
tokenSource.Cancel();
}
tokenSource.Dispose();
}
catch (ObjectDisposedException)
{
// ignore
}
_cancellations.Remove(deploymentTargetWorker.TargetId);
}
_tasks.Remove(deploymentTargetWorker.TargetId);
}
else
{
_logger.Debug("Start worker task was not found for target id {TargetId}",
deploymentTargetWorker.TargetId);
}
var cancellationTokenSource = _timeoutHelper.CreateCancellationTokenSource();
var linked = CancellationTokenSource.CreateLinkedTokenSource(stoppingToken, cancellationTokenSource.Token);
_cancellations.TryAdd(deploymentTargetWorker.TargetId, cancellationTokenSource);
_tasks.Add(deploymentTargetWorker.TargetId,
Task.Run(() => deploymentTargetWorker.ExecuteAsync(linked.Token), linked.Token));
}
public WorkerCreated(IDeploymentTargetWorker worker) => Worker = worker;
