Yes there are other alternatives, but consider this.
(doseq [url urls]
(let [agt (http-agent url)]
(send-off agt some-action)))
I think that some-action should be able to use string and result as
the HTTP request is complete at this stage. However some-action
can't as both string and result call await without first checking if
the HTTP request is complete and you can't await in an action.
If my understanding is correct the code above would start as many
agents as there are urls and clojure is free to distribute those
agents in whatever manner it sees fit. The only guarantee clojure
makes is that some-action will be called after all the previous
actions sent from the same thread are complete (which includes the
ones sent by http-agent itself). In other words some-action can rely
on the fact that the HTTP request has finished by the time it gets
called.
In my case it is important to the code in some-action that http-agent
has finished as not all of the http-agent accessors return results
when the :handler is called, eg status returns NIL during the
:handler.
I guess the real question is this, is this a bug in http-agent or an
http-agent usage error on my part?
-- sim
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