private static BidiFlow <int, long, ByteString, string, NotUsed> Bidi()
{
return
(BidiFlow.FromFlows(
Flow.Create <int>().Select(x => ((long)x) + 2).WithAttributes(Attributes.CreateName("top")),
Flow.Create <ByteString>()
.Select(x => x.ToString(Encoding.UTF8))
.WithAttributes(Attributes.CreateName("bottom"))));
}
private static BidiFlow <long, int, string, ByteString, NotUsed> Inverse()
{
return
(BidiFlow.FromFlows(
Flow.Create <long>().Select(x => ((int)x) + 2).WithAttributes(Attributes.CreateName("top")),
Flow.Create <string>()
.Select(ByteString.FromString)
.WithAttributes(Attributes.CreateName("bottom"))));
}
public static BidiFlow <ByteString, ByteString, ByteString, ByteString, NotUsed> Create(TimeSpan idleTimeout, EndPoint remoteAddress = null)
{
var connectionString = remoteAddress == null ? "" : $" on connection to [{remoteAddress}]";
var idleException = new TcpIdleTimeoutException(
$"TCP idle-timeout encountered{connectionString}, no bytes passed in the last {idleTimeout}",
idleTimeout);
var toNetTimeout = BidiFlow.FromFlows(
Flow.Create <ByteString>().SelectError(e => e is TimeoutException ? idleException : e),
Flow.Create <ByteString>());
var fromNetTimeout = toNetTimeout.Reversed(); // now the bottom flow transforms the exception, the top one doesn't (since that one is "fromNet")
return(fromNetTimeout.Atop(BidiFlow.BidirectionalIdleTimeout <ByteString, ByteString>(idleTimeout))
.Atop(toNetTimeout));
}
public static BidiFlow <Emitted <T>, IPersistentRepresentation, Delivery <IPersistentRepresentation>, Delivery <Durable <T> >, NotUsed> Create(string persistenceId) => BidiFlow.FromFlows(Encoder(persistenceId), Decoder);