A quick read of the the hp backend code indicates that it attempts to manage its own buttons. When you start a scan with --button-wait, the backend blocks and polls the button. I don't think you see the option from scanbd. The backend would have to be modified.
allan On Fri, Nov 16, 2012 at 1:03 AM, Thomas Boll <thomas.alexander.boll at gmail.com> wrote: > Hello Wilhelm, > > it's me again. The output of syslog led me to the config files again and I > found that I left "lp" as goup in scanbd.conf. > > When I changed "goup = lp" to "group = scanner" I can now run: > > # scanbd -fd -c /usr/local/etc/scanbd/scanbd.conf > > and I see 28 (output says 29) options for my scanner in the output ((see > output below)). > > As far as I understand the next step would be to look which (if any) of the > options changes when I push the button. > Is there a way to let scanbd log every option change as I cannot see > anything happen, when I press the button while scanbd is polling for option > changes (see output below)? > > Also running in monitor mode like: > > # scanbd -m -fd -c /usr/local/etc/scanbd/scanbd.conf > > or > > # scanbd -m -c /usr/local/etc/scanbd/scanbd.conf > > do still give me the same output as in my first mail (saned exited with 0). > But I did not investigate any further in this direction (yet) and assume > that there are still some rights problems that I can hopefully solve on my > own. > > I know you are busy, but any further help/hints with the options thing would > be great as I also do not fully understand what is filtered when in > scanbd.conf actions in the global section and in actions of the hp section > and how it all fits together (e.g. I connot see any option containg > "message" so what does "^message.*" filter do?). I read INSTALL but could > not find any further doku on that. > > Thanks again for the support and regards, > Thomas > > root at server:/# scanbd -fd -c /usr/local/etc/scanbd/scanbd.conf > > scanbd: debug on: level: 7 > scanbd: dropping privs to uid saned > scanbd: dropping privs to gid scanner > scanbd: group scanner has member: > scanbd: saned > scanbd: me > scanbd: drop privileges to gid: 112 > scanbd: Running as effective gid 112 > scanbd: drop privileges to uid: 103 > scanbd: Running as effective uid 103 > scanbd: dbus_init > > scanbd: dbus match type='signal',interface='org.freedesktop.Hal.Manager' > scanbd: sane version 1.0 > scanbd: Scanning for local-only devices > scanbd: found device: hp:libusb:001:013 Hewlett-Packard ScanJet 62x0C > flatbed scanner > scanbd: start_sane_threads > scanbd: Starting poll thread for hp:libusb:001:013 > scanbd: Thread started for device hp:libusb:001:013 > scanbd: start dbus thread > scanbd: udev init > scanbd: timeout: 500 ms > scanbd: sane_poll > scanbd: Iteration on dbus call > scanbd: found 29 options for device hp:libusb:001:013 > scanbd: sane_find_matching_options > > scanbd: found 5 actions in section (null) > scanbd: checking action scan with filter: ^scan.* > scanbd: option[1] for device hp:libusb:001:013 not of type > BOOL|INT|FIXED|STRING|BUTTON. Skipping > scanbd: found active option[2] preview (type: 0) for device > hp:libusb:001:013 > scanbd: found active option[3] mode (type: 3) for device hp:libusb:001:013 > scanbd: found active option[4] resolution (type: 1) for device > hp:libusb:001:013 > scanbd: option[5] for device hp:libusb:001:013 not of type > BOOL|INT|FIXED|STRING|BUTTON. Skipping > scanbd: found active option[6] brightness (type: 1) for device > hp:libusb:001:013 > scanbd: found active option[7] contrast (type: 1) for device > hp:libusb:001:013 > scanbd: found active option[8] auto-threshold (type: 0) for device > hp:libusb:001:013 > scanbd: option[9] for device hp:libusb:001:013 not of type > BOOL|INT|FIXED|STRING|BUTTON. Skipping > scanbd: found active option[10] custom-gamma (type: 0) for device > hp:libusb:001:013 > scanbd: found active option[12] matrix-type (type: 3) for device > hp:libusb:001:013 > scanbd: found active option[15] speed (type: 3) for device hp:libusb:001:013 > scanbd: found active option[18] source (type: 3) for device > hp:libusb:001:013 > scanbd: found active option[19] button-wait (type: 0) for device > hp:libusb:001:013 > scanbd: found active option[20] lamp-off (type: 4) for device > hp:libusb:001:013 > scanbd: found active option[21] change-document (type: 4) for device > hp:libusb:001:013 > scanbd: option[22] for device hp:libusb:001:013 not of type > BOOL|INT|FIXED|STRING|BUTTON. Skipping > scanbd: found active option[23] tl-x (type: 2) for device hp:libusb:001:013 > scanbd: found active option[24] tl-y (type: 2) for device hp:libusb:001:013 > scanbd: found active option[25] br-x (type: 2) for device hp:libusb:001:013 > scanbd: found active option[26] br-y (type: 2) for device hp:libusb:001:013 > scanbd: found active option[27] mirror-horizontal (type: 3) for device > hp:libusb:001:013 > scanbd: found active option[28] mirror-vertical (type: 3) for device > hp:libusb:001:013 > > scanbd: checking action email with filter: ^email$ > scanbd: option[1] for device hp:libusb:001:013 not of type > BOOL|INT|FIXED|STRING|BUTTON. Skipping > scanbd: found active option[2] preview (type: 0) for device > hp:libusb:001:013 > scanbd: found active option[3] mode (type: 3) for device hp:libusb:001:013 > ... > scanbd: found active option[25] br-x (type: 2) for device hp:libusb:001:013 > scanbd: found active option[26] br-y (type: 2) for device hp:libusb:001:013 > scanbd: found active option[27] mirror-horizontal (type: 3) for device > hp:libusb:001:013 > scanbd: found active option[28] mirror-vertical (type: 3) for device > hp:libusb:001:013 > scanbd: sane_find_matching_functions > scanbd: no matching functions in section hp > scanbd: timeout: 500 ms > scanbd: Start the polling for device hp:libusb:001:013 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > scanbd: Iteration on dbus call > scanbd: polling thread for hp:libusb:001:013 cancellation point > scanbd: polling device hp:libusb:001:013 > scanbd: get_sane_option_value > scanbd: checking option preview number 2 (0) for device hp:libusb:001:013: > value: 0 > ^Cscanbd: sig_term/int_handler called with signal 2 > scanbd: stop_sane_threads > scanbd: stopping poll thread for device hp:libusb:001:013 > scanbd: waiting for poll thread for device hp:libusb:001:013 > scanbd: sane_thread_cleanup_mutex > scanbd: closing device hp:libusb:001:013 > scanbd: freeing opt ressources for device hp:libusb:001:013 thread > scanbd: freeing funtion ressources for device hp:libusb:001:013 thread > scanbd: stop dbus thread > scanbd: join dbus thread > scanbd: stop udev thread > scanbd: cleanup device handler > scanbd: join udev thread > scanbd: close udev monitor > scanbd: close udev > scanbd: exiting scanbd > > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at 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