From: Roland Hieber <rhi@pengutronix.de>
To: Ladislav Michl <ladis@linux-mips.org>
Cc: ptxdist@pengutronix.de
Subject: Re: [ptxdist] [PATCH] gpsd: fix gpsdctl@.service
Date: Mon, 3 Aug 2020 16:18:29 +0200 [thread overview]
Message-ID: <20200803141829.g6lckle3xvyxmpgd@pengutronix.de> (raw)
In-Reply-To: <20200803093655.GA1566721@lenoch>
On Mon, Aug 03, 2020 at 11:36:55AM +0200, Ladislav Michl wrote:
> On Mon, Aug 03, 2020 at 11:03:19AM +0200, Michael Olbrich wrote:
> > On Mon, Aug 03, 2020 at 10:35:52AM +0200, Ladislav Michl wrote:
> > > On Mon, Aug 03, 2020 at 08:36:06AM +0200, Michael Olbrich wrote:
> > > > On Sun, Aug 02, 2020 at 07:46:09PM +0200, Ladislav Michl wrote:
> > > > > gpsdctl@.service is supposed to call gpsdctl which is not installed
> > > > > at all. Also fix gpsctl vs gpsdctl confusion.
> > > > >
> > > > > Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
> > > > > ---
> > > > > projectroot/usr/lib/systemd/system/gpsdctl@.service | 4 ++--
> > > > > rules/gpsd.in | 9 +++++++++
> > > > > rules/gpsd.make | 8 +++++---
> > > > > 3 files changed, 16 insertions(+), 5 deletions(-)
> > > > >
> > > > > diff --git a/projectroot/usr/lib/systemd/system/gpsdctl@.service b/projectroot/usr/lib/systemd/system/gpsdctl@.service
> > > > > index 24d291408..6266fd8b8 100644
> > > > > --- a/projectroot/usr/lib/systemd/system/gpsdctl@.service
> > > > > +++ b/projectroot/usr/lib/systemd/system/gpsdctl@.service
> > > > > @@ -8,5 +8,5 @@ After=dev-%i.device
> > > > > Type=oneshot
> > > > > Environment="GPSD_SOCKET=/var/run/gpsd.sock"
> > > > > RemainAfterExit=yes
> > > > > -ExecStart=/usr/bin/gpsdctl add /dev/%I
> > > > > -ExecStop=/usr/bin/gpsdctl remove /dev/%I
> > > > > +ExecStart=/usr/sbin/gpsdctl add /dev/%I
> > > > > +ExecStop=/usr/sbin/gpsdctl remove /dev/%I
> > > > > diff --git a/rules/gpsd.in b/rules/gpsd.in
> > > > > index b69570af0..b69accac3 100644
> > > > > --- a/rules/gpsd.in
> > > > > +++ b/rules/gpsd.in
> > > > > @@ -260,10 +260,19 @@ menu "install options"
> > > > > queries with a format that is substantially easier to
> > > > > parse than the NMEA 0183 emitted by most GPS receivers.
> > > > >
> > > > > + config GPSD_GPSDCTL
> > > > > + bool
> > > > > + prompt "gpdsctl"
> > > > > + help
> > > > > + gpdsctl is a tool for sending commands to an instance of
> > > > > + gpsd over its control socket to add or remove devices from
> > > > > + the daemon's device list.
> > > > > +
> > > > > config GPSD_SYSTEMD_UNIT
> > > > > bool
> > > > > default y
> > > > > depends on INITMETHOD_SYSTEMD && GPSD_GPSD
> > > > > + select GPSD_GPSDCTL
> > > > > prompt "systemd unit files for gpsd"
> > > > >
> > > > > config GPSD_GPSD_ARGS
> > > > > diff --git a/rules/gpsd.make b/rules/gpsd.make
> > > > > index 7f7e369f3..48bb643bc 100644
> > > > > --- a/rules/gpsd.make
> > > > > +++ b/rules/gpsd.make
> > > > > @@ -43,7 +43,8 @@ GPSD_PROGS-$(PTXCONF_GPSD_GPSMON) += gpsmon
> > > > > GPSD_PROGS-$(PTXCONF_GPSD_NTPSHMMON) += ntpshmmon
> > > > > GPSD_PROGS-$(PTXCONF_GPSD_PPSCHECK) += ppscheck
> > > > >
> > > > > -GPSD_BUILD_CLIENTS := $(if $(strip $(GPSD_PROGS-y)),yes,no)
> > > > > +GPSD_BUILD_CLIENTS := $(call ptx/ifdef, PTXCONF_GPSD_GPSDCTL, yes, \
> > > > > + $(if $(strip $(GPSD_PROGS-y)), yes, no))
> > > > >
> > > > > # Python programs
> > > > > GPSD_PROGS-$(PTXCONF_GPSD_GEGPS) += gegps
> > > > > @@ -160,6 +161,9 @@ $(STATEDIR)/gpsd.targetinstall:
> > > > > ifdef PTXCONF_GPSD_GPSD
> > > > > @$(call install_copy, gpsd, 0, 0, 0755, -, /usr/sbin/gpsd)
> > > > > endif
> > > > > +ifdef PTXCONF_GPSD_GPSDCTL
> > > > > + @$(call install_copy, gpsd, 0, 0, 0755, -, /usr/sbin/gpsdctl)
> > > > > +endif
> > > > > ifdef PTXCONF_GPSD_SYSTEMD_UNIT
> > > > > @$(call install_alternative, gpsd, 0, 0, 644, \
> > > > > /usr/lib/systemd/system/gpsd.service)
> > > > > @@ -172,11 +176,9 @@ ifdef PTXCONF_GPSD_SYSTEMD_UNIT
> > > > > /usr/lib/systemd/system/gpsd.socket)
> > > > > @$(call install_link, gpsd, ../gpsd.socket, \
> > > > > /usr/lib/systemd/system/sockets.target.wants/gpsd.socket)
> > > > > -ifdef PTXCONF_GPSD_GPSCTL
> > > >
> > > > So, I don't know a lot about gpsd. So I need some clarification here.
> > > >
> > > > There is a gpsd.service and the gpsdctl@.service template. What do they do?
> > > > Does gpsd.service do anything useful without gpsdctl@.service?
> > >
> > > gpsd.service just starts gpsd as a daemon on a device passed as its
> > > argument (GPSD_GPSD_ARGS). But GPS receiver could be hotplugged as well
> > > and that's when gpsdctl@.service comes to action.
> >
> > So with a static setup gpsdctl@.service and gpsdctl are not needed, right?
>
> Yes.
>
> > > > If yes then we should probably install gpsdctl@.service separately and not
> > > > add the 'select GPSD_GPSDCTL' dependency above.
> > >
> > > As gpsdctl@.service calls gpsdctl, which is installed once GPSD_GPSDCTL
> > > selected, that dependency is needed.
> >
> > Or 'ifdef PTXCONF_GPSD_GPSDCTL' to install gpsdctl@.service only if gpsdctl
> > is actually installed.
> >
> > This way we can either run a gpsd.service without gpsdctl at all or use the
> > two together.
>
> Something like this?
>
> --- >8 ---
>
> From: Ladislav Michl <ladis@linux-mips.org>
> Subject: [PATCH v2] gpsd: fix gpsdctl@.service
>
> gpsdctl@.service is supposed to call gpsdctl which is not installed
> at all. Also fix gpsctl vs gpsdctl confusion.
>
> Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
> ---
> projectroot/usr/lib/systemd/system/gpsdctl@.service | 4 ++--
> rules/gpsd.in | 8 ++++++++
> rules/gpsd.make | 8 ++++++--
> 3 files changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/projectroot/usr/lib/systemd/system/gpsdctl@.service b/projectroot/usr/lib/systemd/system/gpsdctl@.service
> index 24d291408..6266fd8b8 100644
> --- a/projectroot/usr/lib/systemd/system/gpsdctl@.service
> +++ b/projectroot/usr/lib/systemd/system/gpsdctl@.service
> @@ -8,5 +8,5 @@ After=dev-%i.device
> Type=oneshot
> Environment="GPSD_SOCKET=/var/run/gpsd.sock"
> RemainAfterExit=yes
> -ExecStart=/usr/bin/gpsdctl add /dev/%I
> -ExecStop=/usr/bin/gpsdctl remove /dev/%I
> +ExecStart=/usr/sbin/gpsdctl add /dev/%I
> +ExecStop=/usr/sbin/gpsdctl remove /dev/%I
> diff --git a/rules/gpsd.in b/rules/gpsd.in
> index b69570af0..eb85305dc 100644
> --- a/rules/gpsd.in
> +++ b/rules/gpsd.in
> @@ -260,6 +260,14 @@ menu "install options"
> queries with a format that is substantially easier to
> parse than the NMEA 0183 emitted by most GPS receivers.
>
> + config GPSD_GPSDCTL
> + bool
> + prompt "gpdsctl"
Small typo here (gpdsctl)
> + help
> + gpdsctl is a tool for sending commands to an instance of
and here, these were also in the [PATCH] v1 already :)
- Roland
> + gpsd over its control socket to add or remove devices from
> + the daemon's device list.
> +
> config GPSD_SYSTEMD_UNIT
> bool
> default y
> diff --git a/rules/gpsd.make b/rules/gpsd.make
> index 7f7e369f3..a6739e37e 100644
> --- a/rules/gpsd.make
> +++ b/rules/gpsd.make
> @@ -43,7 +43,8 @@ GPSD_PROGS-$(PTXCONF_GPSD_GPSMON) += gpsmon
> GPSD_PROGS-$(PTXCONF_GPSD_NTPSHMMON) += ntpshmmon
> GPSD_PROGS-$(PTXCONF_GPSD_PPSCHECK) += ppscheck
>
> -GPSD_BUILD_CLIENTS := $(if $(strip $(GPSD_PROGS-y)),yes,no)
> +GPSD_BUILD_CLIENTS := $(call ptx/ifdef, PTXCONF_GPSD_GPSDCTL, yes, \
> + $(if $(strip $(GPSD_PROGS-y)), yes, no))
>
> # Python programs
> GPSD_PROGS-$(PTXCONF_GPSD_GEGPS) += gegps
> @@ -160,6 +161,9 @@ $(STATEDIR)/gpsd.targetinstall:
> ifdef PTXCONF_GPSD_GPSD
> @$(call install_copy, gpsd, 0, 0, 0755, -, /usr/sbin/gpsd)
> endif
> +ifdef PTXCONF_GPSD_GPSDCTL
> + @$(call install_copy, gpsd, 0, 0, 0755, -, /usr/sbin/gpsdctl)
> +endif
> ifdef PTXCONF_GPSD_SYSTEMD_UNIT
> @$(call install_alternative, gpsd, 0, 0, 644, \
> /usr/lib/systemd/system/gpsd.service)
> @@ -172,7 +176,7 @@ ifdef PTXCONF_GPSD_SYSTEMD_UNIT
> /usr/lib/systemd/system/gpsd.socket)
> @$(call install_link, gpsd, ../gpsd.socket, \
> /usr/lib/systemd/system/sockets.target.wants/gpsd.socket)
> -ifdef PTXCONF_GPSD_GPSCTL
> +ifdef PTXCONF_GPSD_GPSDCTL
> @$(call install_alternative, gpsd, 0, 0, 644, \
> /usr/lib/systemd/system/gpsdctl@.service)
> endif
> --
> 2.28.0
>
>
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prev parent reply other threads:[~2020-08-03 14:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-02 17:46 Ladislav Michl
2020-08-03 6:36 ` Michael Olbrich
2020-08-03 8:35 ` Ladislav Michl
2020-08-03 9:03 ` Michael Olbrich
2020-08-03 9:36 ` Ladislav Michl
2020-08-03 14:18 ` Roland Hieber [this message]
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