public virtual async Task Start()
{
await WorkStatusSemaphore.WaitAsync();
try
{
if (Status == WorkerStatus.Running)
{
return;
}
Logger?.LogDebug($"{GetType().Name}: Started");
WorkerCancellationTokenSource = new CancellationTokenSource();
using (ExecutionContext.SuppressFlow())
{
WorkerThread = new Thread(async() =>
{
var cbPolicy = RetryManager.CircuitBreakerWithRetryAsync <Exception>(
WaitStrategy,
(exception, span) => Logger?.LogError($"{GetType().Name}: Unhandled exception occured", exception),
(exception, span) => Logger?.LogCritical($"{GetType().Name}: Circuit breaker tripped.", exception),
() => Logger?.LogInformation($"{GetType().Name}: Circuit breaker restored."));
await cbPolicy.ExecuteAsync(async() =>
await StartWorkItemProcessingAsync(WorkerCancellationTokenSource.Token)
);
});
WorkerThread.Start();
Status = WorkerStatus.Running;
}
}
finally
{
WorkStatusSemaphore.Release();
}
}