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owfs: add sysv init scripts

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owserver is started unconditionally, but it needs the device(s) to
be specified at startup. Therefore a check for non-empty OWSERVER_ARGS
is added to the owserver start script.

owfs is started only if is built. It will connect to the owserver.
It will try to load the fuse module; if fuse is built-in or already
loaded, modprobe -q will fail silently. The filesystem will be mounted
on /dev/1wire, because it represents the 1-wire slave devices; also,
the bundled Debian init scripts mount it there. We have to create that
directory in the init script in case of devtmpfs, and we have to create
it in the rootfs for static /dev; for simplicity, just do both.

Users who want a setup without owserver need to remove the owserver
init script post-build and need to give appropriate defaults to owfs.

[Peter: fix mountpoint variable typo in S30owfs]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Arnout Vandecappelle 2016-03-26 14:00:46 +01:00 committed by Peter Korsgaard
parent c6d16d3b2d
commit ac940e023d
3 changed files with 78 additions and 0 deletions
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31
package/owfs/S25owserver Executable file
View File

@ -0,0 +1,31 @@
NAME="owserver"
DAEMON="/usr/bin/${NAME}"
PID_F="/run/${NAME}.pid"
OWSERVER_ARGS=
[ -r /etc/default/${NAME} ] && . /etc/default/${NAME}
case "$1" in
start)
printf "Starting ${NAME}: "
if [ -z "${OWSERVER_ARGS}" ]; then
echo "OWSERVER_ARGS must be set in defaults file" 1>&2
exit 1
fi
start-stop-daemon -S -x ${DAEMON} -- \
--pid_file ${PID_F} ${OWSERVER_ARGS}
[ $? -eq 0 ] && echo "OK" || echo "FAIL"
;;
stop)
printf "Stopping ${NAME}: "
start-stop-daemon -K -p ${PID_F}
[ $? -eq 0 ] && echo "OK" || echo "FAIL"
;;
restart|reload)
$0 stop
$0 start
;;
*)
echo "Usage: $0 {start|stop|restart|reload}"
exit 1
esac

33
package/owfs/S30owfs Executable file
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@ -0,0 +1,33 @@
NAME="owfs"
DAEMON="/usr/bin/${NAME}"
PID_F="/run/${NAME}.pid"
OWFS_MOUNTPOINT="/dev/1wire"
OWFS_DEVICES="-s localhost:4304"
OWFS_ARGS=""
[ -r /etc/default/${NAME} ] && . /etc/default/${NAME}
case "$1" in
start)
printf "Starting ${NAME}: "
# Fuse may be in a module, so try to load it
modprobe -q fuse && printf "[fuse] "
mkdir -p ${OWFS_MOUNTPOINT}
start-stop-daemon -S -x ${DAEMON} -- \
--pid_file ${PID_F} -m ${OWFS_MOUNTPOINT} ${OWFS_DEVICES} \
${OWFS_ARGS}
[ $? -eq 0 ] && echo "OK" || echo "FAIL"
;;
stop)
printf "Stopping ${NAME}: "
start-stop-daemon -K -p ${PID_F}
[ $? -eq 0 ] && echo "OK" || echo "FAIL"
;;
restart|reload)
$0 stop
$0 start
;;
*)
echo "Usage: $0 {start|stop|restart|reload}"
exit 1
esac

14
package/owfs/owfs.mk
View File

@ -23,6 +23,14 @@ OWFS_CONF_OPTS += \
--enable-owfs \
--with-fuseinclude=$(STAGING_DIR)/usr/include \
--with-fuselib=$(STAGING_DIR)/usr/lib
define OWFS_INSTALL_FUSE_INIT_SYSV
$(INSTALL) -D -m 0755 $(OWFS_PKGDIR)S30owfs \
$(TARGET_DIR)/etc/init.d/S30owfs
endef
define OWFS_CREATE_MOUNTPOINT
mkdir -p $(TARGET_DIR)/dev/1wire
endef
OWFS_POST_INSTALL_TARGET_HOOKS += OWFS_CREATE_MOUNTPOINT
else
OWFS_CONF_OPTS += --disable-owfs
endif
@ -70,4 +78,10 @@ ifeq ($(BR2_STATIC_LIBS),y)
OWFS_CONF_OPTS += --disable-zero
endif
define OWFS_INSTALL_INIT_SYSV
$(INSTALL) -D -m 0755 $(OWFS_PKGDIR)S25owserver \
$(TARGET_DIR)/etc/init.d/S25owserver
$(OWFS_INSTALL_FUSE_INIT_SYSV)
endef
$(eval $(autotools-package))