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author | Marius Bakke <mbakke@fastmail.com> | 2018-06-11 23:52:15 +0200 |
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committer | Marius Bakke <mbakke@fastmail.com> | 2018-06-11 23:52:15 +0200 |
commit | a032b4454b3fc67e11e9fc2d8c2345288065fa29 (patch) | |
tree | c208124b79dbd2224b68c52106aa72ff2ebfa7ab /gnu/build/marionette.scm | |
parent | b5724230fed2d043206df20d12a45bb962b7ee77 (diff) | |
parent | 6321ce42ab4d9ab788d858cb19bde4aa7a0e3ecc (diff) | |
download | guix-patches-a032b4454b3fc67e11e9fc2d8c2345288065fa29.tar guix-patches-a032b4454b3fc67e11e9fc2d8c2345288065fa29.tar.gz |
Merge branch 'master' into staging
Diffstat (limited to 'gnu/build/marionette.scm')
-rw-r--r-- | gnu/build/marionette.scm | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gnu/build/marionette.scm b/gnu/build/marionette.scm index 173a67cef9..bb018fc9c1 100644 --- a/gnu/build/marionette.scm +++ b/gnu/build/marionette.scm @@ -26,6 +26,7 @@ make-marionette marionette-eval wait-for-file + wait-for-tcp-port marionette-control marionette-screen-text wait-for-screen-text @@ -187,6 +188,32 @@ FILE has not shown up after TIMEOUT seconds, raise an error." ('failure (error "file didn't show up" file)))) +(define* (wait-for-tcp-port port marionette + #:key (timeout 20)) + "Wait for up to TIMEOUT seconds for PORT to accept connections in +MARIONETTE. 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) + 'success) + (lambda args + (if (< i ,timeout) + (begin + (sleep 1) + (loop (+ 1 i))) + 'failure)))))) + marionette) + ('success #t) + ('failure + (error "nobody's listening on port" port)))) + (define (marionette-control command marionette) "Run COMMAND in the QEMU monitor of MARIONETTE. COMMAND is a string such as \"sendkey ctrl-alt-f1\" or \"screendump foo.ppm\" (info \"(qemu-doc) |