On 01/16/2012 09:11 PM, JR Richardson wrote:
So my question; what is the difference between a drop; and exit; within the on_reply route
Remember that an onreply_route is a callback that allows you to intercept a reply, but the reply is forwarded by default afterward (if using stateful forwarding). This is different from a request route, where it's up to you to marshal everything, and to explicitly forward the message.
Thus, exiting an onreply_route has null effect. It doesn't do anything to stop the reply from being forwarded, because forwarding is the behaviour--the onreply_route is just a hook. In contrast, 'drop' explicitly drops the message and prevents further forwarding of the reply from taking place.
This is different than in a request route, where exiting precludes any forwarding action, because forwarding action must be taken explicitly -- e.g. t_relay().
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