Hi C.J.
Ensure you have next lines after connection:
// KEEP_ALIVE messages are being forwarded to the LLRPEndpoint
connection.getHandler().setKeepAliveForward(true);
Also, you must implement next lines in your messageReceived() method:
if (llrpMessage instanceof KEEPALIVE) {
log.debug("received keepalive message from the reader: " +
readerId);
setAlive(true);
}
Regards,
HHC
On Fri, Mar 23, 2012 at 7:24 AM, C. J. <[email protected]> wrote:
> Hi everyone.
>
> I've developed a complex RFID middleware using the LTK-Java library but I
> still got an open (apparently dumb) point: I can't handle the keepalive
> messages from the reader.
>
> The thing is, I can see in the Logger all that kal messages (as if I use
> some sniffer such as Wireshark), but ain't no notification received by the
> main interface, the method messageReceived() in the class implementing the
> LLRPEndpoint interface.
>
> Obviously they are there, so I do really think that the LTK isn't
> forwarding the keepalives "all the way up" thus I can treat them as the
> rest of messages (READER_EVENT_NOTIFICATION, RO_ACCESS_REPORT, etc.).
>
> Does anyone out there know how to set the LTK to kick out the keepalives
> through the messageReceived() function so I can handle the connection
> between the stations (the readers) and the module that will be interacting
> with my middleware? I'd need to show all the reader connection statuses.
>
> Every try to shed some light will be very appreciated.
>
>
> Kind regards.
>
> Some information you might be aware of:
> Using Impinj's Octane 4.8 with LTK-Java 10.14.0.240 with dependencies.
> Working with Impinj's Speedway Revolution UHF Reader R-420.
> Client initiated connection (reader awaits for connection).
>
>
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