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marionette: Add #:address parameter to 'wait-for-tcp-port'.

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* gnu/build/marionette.scm (wait-for-tcp-port): Add #:address parameter.
Honor it, and improve error reporting in the 'failure case.
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Ludovic Courtès 2022-05-22 18:23:27 +02:00
parent 8a588eb871
commit 52aceda4fd
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GPG Key ID: 090B11993D9AEBB5
1 changed files with 26 additions and 19 deletions
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45
gnu/build/marionette.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
;;;
;;; This file is part of GNU Guix.
@ -196,31 +196,38 @@ FILE has not shown up after TIMEOUT seconds, raise an error."
(error "file didn't show up" file))))
(define* (wait-for-tcp-port port marionette
#:key (timeout 20))
#:key
(timeout 20)
(address `(make-socket-address AF_INET
INADDR_LOOPBACK
,port)))
"Wait for up to TIMEOUT seconds for PORT to accept connections in
MARIONETTE. Raise an error on failure."
MARIONETTE. ADDRESS must be an expression that returns a socket address,
typically a call to 'make-socket-address'. Raise an error on failure."
;; Note: The 'connect' loop has to run within the guest because, when we
;; forward ports to the host, connecting to the host never raises
;; ECONNREFUSED.
(match (marionette-eval
`(begin
(let ((sock (socket PF_INET SOCK_STREAM 0)))
(let loop ((i 0))
(catch 'system-error
(lambda ()
(connect sock AF_INET INADDR_LOOPBACK ,port)
(close-port sock)
'success)
(lambda args
(if (< i ,timeout)
(begin
(sleep 1)
(loop (+ 1 i)))
'failure))))))
`(let* ((address ,address)
(sock (socket (sockaddr:fam address) SOCK_STREAM 0)))
(let loop ((i 0))
(catch 'system-error
(lambda ()
(connect sock address)
(close-port sock)
'success)
(lambda args
(if (< i ,timeout)
(begin
(sleep 1)
(loop (+ 1 i)))
(list 'failure address))))))
marionette)
('success #t)
('failure
(error "nobody's listening on port" port))))
(('failure address)
(error "nobody's listening on port"
(list (inet-ntop (sockaddr:fam address) (sockaddr:addr address))
(sockaddr:port address))))))
(define* (wait-for-unix-socket file-name marionette
#:key (timeout 20))