diff options
| -rw-r--r-- | COPYING | 14 | ||||
| -rw-r--r--[l---------] | Makefile | 26 | ||||
| -rwxr-xr-x | netctl-hook | 3 | ||||
| -rwxr-xr-x | network-online | 51 | ||||
| -rw-r--r-- | network-online@.service | 7 |
5 files changed, 100 insertions, 1 deletions
@@ -0,0 +1,14 @@ + DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+ Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+ DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. You just DO WHAT THE FUCK YOU WANT TO.
+
@@ -1 +1,25 @@ -build-aux/Makefile.README.mk
\ No newline at end of file +# Copyright © 2015 Luke Shumaker <lukeshu@sbcglobal.net> +# This work is free. You can redistribute it and/or modify it under the +# terms of the Do What The Fuck You Want To Public License, Version 2, +# as published by Sam Hocevar. See the COPYING file for more details. + +PACKAGE = netctl-network-online +VERSION = 20160101 + +topsrcdir ?= . +topoutdir ?= . +include $(topsrcdir)/build-aux/Makefile.head.mk + +files.sys.all = \ + $(sysconfdir)/netctl/hooks/network-online \ + $(prefix)/lib/systemd/system/network-online@.service \ + $(prefix)/lib/network/network-online + +$(DESTDIR)$(sysconfdir)/netctl/hooks/network-online: netctl-hook + install -Dm755 $< $@ +$(DESTDIR)$(prefix)/lib/systemd/system/network-online@.service: network-online@.service + install -Dm644 $< $@ +$(DESTDIR)$(prefix)/lib/network/network-online: network-online + install -Dm755 $< $@ + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/netctl-hook b/netctl-hook new file mode 100755 index 0000000..01f8619 --- /dev/null +++ b/netctl-hook @@ -0,0 +1,3 @@ +#!/hint/bash +printf -v ExecUpPost "systemctl start network-online@%q.service" "$(systemd-escape -- "$Profile")" +printf -v ExecDownPre "systemctl stop network-online@%q.service" "$(systemd-escape -- "$Profile")" diff --git a/network-online b/network-online new file mode 100755 index 0000000..e04eee9 --- /dev/null +++ b/network-online @@ -0,0 +1,51 @@ +#!/usr/bin/env bash +# Copyright © 2015-2016 Luke Shumaker <lukeshu@sbcglobal.net> +# This work is free. You can redistribute it and/or modify it under the +# terms of the Do What The Fuck You Want To Public License, Version 2, +# as published by Sam Hocevar. See the COPYING file for more details. + +# Usage: network-online [start|stop] NETWORK_NAME +mode="$1" +lock=/run/network-online/lock +fifo=/run/network-online/"$2" +PS4="$mode: " + +# Use a named pipe (fifo) as an inter-process synchronization +# mechanism; a call to block_{a,b} blocks until its counterpart is +# run. +block_a() { + cat "$fifo" >/dev/null +} +block_b() { + echo foo >> "$fifo" +} + +# Because of restrictions put in place by systemd, the ExecStart +# process can't run `systemctl stop network-online.target`, but the +# ExecStop process can. +case "$mode" in + start) + trap 'rm -f -- "$fifo"' EXIT + set -x + mkdir -p /run/network-online || exit $? + exec 8>"$lock" || exit $? + flock -s 8 || exit $? + systemctl start network-online.target || exit $? + mkfifo "$fifo" || exit $? + + block_a # wait for 'stop' to be called + exec 8>&- + block_a # signal to 'stop' that we've unlocked + ;; + stop) + set -x + exec 8>"$lock" || exit $? + flock -s 8 || exit $? + block_b # signal 'start' to stop + block_b # wait for 'start' to unlock + if flock -x -n 8; then + systemctl stop network-online.target + rm -rf /run/network-online + fi + ;; +esac diff --git a/network-online@.service b/network-online@.service new file mode 100644 index 0000000..90195f9 --- /dev/null +++ b/network-online@.service @@ -0,0 +1,7 @@ +[Unit] +Description=Network %I is online + +[Service] +Type=simple +ExecStart=/lib/network/network-online start %I +ExecStop=/lib/network/network-online stop %I |