public static async Task UntilCancelled(CancellationToken cancellationToken, Func <Task> callback)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
await Task.Yield();
IRepeatPolicy repeatPolicy = UntilCancelled(cancellationToken);
using (IRepeatContext repeatContext = repeatPolicy.GetRepeatContext())
{
TimeSpan delay = TimeSpan.Zero;
do
{
if (cancellationToken.IsCancellationRequested)
{
break;
}
if (delay > TimeSpan.Zero)
{
await Task.Delay(delay, repeatContext.CancellationToken).ConfigureAwait(false);
}
if (cancellationToken.IsCancellationRequested)
{
break;
}
await callback().ConfigureAwait(false);
}while (repeatContext.CanRepeat(out delay));
}
}
static async Task Attempt(IRepeatContext repeatContext, T context, IPipe <T> next)
{
TimeSpan delay = TimeSpan.Zero;
do
{
if (delay > TimeSpan.Zero)
{
await Task.Delay(delay, repeatContext.CancellationToken);
}
await next.Send(context);
}while (repeatContext.CanRepeat(out delay));
}
public static async Task UntilCancelled(CancellationToken cancellationToken, Func <Task> callback)
{
IRepeatPolicy repeatPolicy = UntilCancelled(cancellationToken);
using (IRepeatContext repeatContext = repeatPolicy.GetRepeatContext())
{
TimeSpan delay = TimeSpan.Zero;
do
{
if (delay > TimeSpan.Zero)
{
await Task.Delay(delay, repeatContext.CancellationToken);
}
await callback();
}while (repeatContext.CanRepeat(out delay));
}
}
