minimart-benchmark-2017/echo-server-syndicate-tcp-d...

81 lines
2.7 KiB
Racket

#lang racket/base
(require racket/match)
(require racket/port)
(require prospect)
(require prospect/demand-matcher)
(require prospect/drivers/timer)
(require prospect/drivers/tcp)
(require logbook)
(require racket/cmdline)
(define server-entry-name #f)
(define server-entry-type #f)
(command-line #:program "echo-server-prospect-tcp-driver.rkt"
#:once-each
["--logbook-entry-name" name
"set logbook entry name to use when recording run statistics"
(set! server-entry-name name)]
["--logbook-entry-type" type
"set logbook entry type to use"
(set! server-entry-type type)])
(when (not server-entry-type)
(error 'echo-server "Please supply the --logbook-entry-type command-line argument."))
(define L (default-logbook))
(define E (logbook-entry L "minimart" server-entry-name server-entry-type))
(define Tmem (logbook-table E "server-memory-use" #:column-spec '(time-seconds memory-use)))
(define Tconn (logbook-table E "server-connections" #:column-spec '(time-seconds connection-count)))
(define connection-count 0)
(define first-connection-seen? #f)
(define statistics-poll-interval 2000)
(define (statistician)
(list (spawn (lambda (e s)
(match e
[(message (timer-expired 'statistician now))
;; (collect-garbage)
;; (collect-garbage)
;; (collect-garbage)
(write-logbook-datum! Tmem (list (/ now 1000.0) (current-memory-use)))
(write-logbook-datum! Tconn (list (/ now 1000.0) connection-count))
(when (and first-connection-seen? (zero? connection-count))
(exit 0))
(transition s
(message (set-timer 'statistician statistics-poll-interval 'relative)))]
[_ #f]))
#f
(sub (timer-expired 'statistician ?)))
(message (set-timer 'statistician statistics-poll-interval 'relative))))
(define (listener port-number)
(define server-id (tcp-listener port-number))
(spawn-demand-matcher (advertise (tcp-channel (?! (tcp-address ? ?)) server-id ?))
(observe (tcp-channel (?! (tcp-address ? ?)) server-id ?))
(spawn-connection-handler server-id)))
(define ((spawn-connection-handler server-id) c)
(set! connection-count (+ connection-count 1))
(set! first-connection-seen? #t)
(spawn (lambda (e s)
(match e
[(? patch/removed?)
(set! connection-count (- connection-count 1))
(quit)]
[(message (tcp-channel src dst bs))
(transition s (message (tcp-channel dst src bs)))]
[_ #f]))
#f
(patch-seq (sub (advertise (tcp-channel c server-id ?)))
(sub (tcp-channel c server-id ?))
(pub (tcp-channel server-id c ?)))))
(run-ground (spawn-timer-driver)
(spawn-tcp-driver)
(listener 5999)
(statistician))