diff options
Diffstat (limited to 'gnu/build/marionette.scm')
| -rw-r--r-- | gnu/build/marionette.scm | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/gnu/build/marionette.scm b/gnu/build/marionette.scm index 27c10e3dfe..0b0a8a70d8 100644 --- a/gnu/build/marionette.scm +++ b/gnu/build/marionette.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2016-2022 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2016-2022, 2024 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com> ;;; Copyright © 2022, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com> ;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu> @@ -223,29 +223,49 @@ FILE has not shown up after TIMEOUT seconds, raise an error." (define* (wait-for-tcp-port port marionette #:key (timeout 20) + (peek? #f) (address `(make-socket-address AF_INET INADDR_LOOPBACK ,port))) "Wait for up to TIMEOUT seconds for PORT to accept connections in MARIONETTE. ADDRESS must be an expression that returns a socket address, -typically a call to 'make-socket-address'. Raise an error on failure." +typically a call to 'make-socket-address'. When PEEK? is true, attempt to +read a byte from the socket upon connection; retry if that gives the +end-of-file object. + +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 - `(let* ((address ,address) - (sock (socket (sockaddr:fam address) SOCK_STREAM 0))) - (let loop ((i 0)) + `(let* ((address ,address)) + (define (open-socket) + (socket (sockaddr:fam address) SOCK_STREAM 0)) + + (let loop ((sock (open-socket)) + (i 0)) (catch 'system-error (lambda () (connect sock address) + (when ,peek? + (let ((byte ((@ (ice-9 binary-ports) lookahead-u8) + sock))) + (when (eof-object? byte) + (close-port sock) + (throw 'system-error + "wait-for-tcp-port" "~A" + (list (strerror ECONNRESET)) + (list ECONNRESET))))) (close-port sock) 'success) (lambda args (if (< i ,timeout) (begin (sleep 1) - (loop (+ 1 i))) + (loop (if (port-closed? sock) + (open-socket) + sock) + (+ 1 i))) (list 'failure address)))))) marionette) ('success #t) |