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(query-sig (message-digest-string (md5-primitive) (conc qtype immediate params)))
(zdat (db:obj->string (vector client-sig qtype immediate query-sig params (current-seconds))))) ;; (with-output-to-string (lambda ()(serialize params))))
(debug:print-info 11 "zdat=" zdat)
(let* ((res #f)
(rawdat (http-transport:client-send-receive serverdat zdat))
(tmp #f))
(debug:print-info 11 "Sent " zdat ", received " rawdat)
(if rawdat
(begin
(set! tmp (db:string->obj rawdat))
(vector-ref tmp 2))))
(set! tmp (db:string->obj rawdat))
(vector-ref tmp 2))
(begin
(debug:print 0 "ERROR: Communication with the server failed. Exiting if possible")
(exit 1))))))
((zmq)
(handle-exceptions
exn
(begin
(debug:print-info 0 "cdb:client-call timeout or error. Trying again in 5 seconds")
(thread-sleep! 5)
(if (> numretries 0)(apply cdb:client-call serverdat qtype immediate (- numretries 1) params)))
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