/// <summary>
/// Lookup records with a name service query
/// </summary>
/// <param name="query"></param>
/// <param name="ct"></param>
/// <returns></returns>
public static async Task <IEnumerable <INameRecord> > LookupAsync(this INameService service,
Expression <Func <INameRecord, bool> > query, CancellationToken ct)
{
var result = new List <INameRecord>();
var lookup = service.Read(new ExecutionDataflowBlockOptions {
CancellationToken = ct
});
await lookup.SendAsync(query).ConfigureAwait(false);
lookup.Complete();
while (await lookup.OutputAvailableAsync(ct).ConfigureAwait(false))
{
result.Add(await lookup.ReceiveAsync(ct).ConfigureAwait(false));
}
return(result);
}
