private async Task ProcessSourceAsync(ICounterSmugglerSource source, CounterSmugglerOperationState state, CancellationToken cancellationToken)
{
while (true)
{
var type = await source
.GetNextSmuggleTypeAsync(cancellationToken)
.ConfigureAwait(false);
switch (type)
{
case CounterSmuggleType.None:
return;
case CounterSmuggleType.Delta:
await new DeltaSmuggler(_options, _notifications, source, _destination)
.SmuggleAsync(state, cancellationToken)
.ConfigureAwait(false);
continue;
case CounterSmuggleType.Snapshots:
await new SnapshotSmuggler(_options, _notifications, source, _destination)
.SmuggleAsync(state, cancellationToken)
.ConfigureAwait(false);
continue;
default:
throw new NotSupportedException(type.ToString());
}
}
}
public CounterSmuggler(CounterSmugglerOptions options, ICounterSmugglerSource source, ICounterSmugglerDestination destination)
{
_options = options;
_source = source;
_destination = destination;
_notifications = new CounterSmugglerNotifications();
}
protected CounterSmugglerBase(CounterSmugglerOptions options, CounterSmugglerNotifications notifications, ICounterSmugglerSource source, ICounterSmugglerDestination destination)
{
Notifications = notifications;
Options = options;
Source = source;
Destination = destination;
}
public DeltaSmuggler(CounterSmugglerOptions options, CounterSmugglerNotifications notifications, ICounterSmugglerSource source, ICounterSmugglerDestination destination)
: base(options, notifications, source, destination)
{
}
private static async Task <CounterSmugglerOperationState> GetOperationStateAsync(CounterSmugglerOptions options, ICounterSmugglerSource source, ICounterSmugglerDestination destination, CancellationToken cancellationToken)
{
CounterSmugglerOperationState state = null;
if (destination.SupportsOperationState)
{
state = await destination
.LoadOperationStateAsync(options, cancellationToken)
.ConfigureAwait(false);
}
if (state == null)
{
state = new CounterSmugglerOperationState
{
LastEtag = options.StartEtag
};
}
Debug.Assert(state.LastEtag != null);
return(state);
}