external-latency driver
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#lang racket/base
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(require racket/match)
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(require racket/system)
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(require logbook)
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(define entry-name (standard-logbook-entry-name))
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(define (start-bg command)
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(match-define (list #f #f pid #f control)
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(process/ports (current-output-port)
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(current-input-port)
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(current-error-port)
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command))
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control)
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(log-info "Starting server...")
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(define server-control
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(start-bg (format "racket echo-server.rkt --logbook-entry-name ~a" entry-name)))
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(sleep 5)
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(log-info "Starting client...")
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(define client-control
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(start-bg (format "racket echo-client.rkt --logbook-entry-name ~a" entry-name)))
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(log-info "Waiting for client termination...")
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(client-control 'wait)
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(log-info "Waiting for server termination...")
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(server-control 'wait)
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(log-info "Done.")
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