2011/4/1 Vincent Danjean <vdanjean.p...@free.fr>: > On 01/04/2011 16:19, Paul Alfille wrote: >> Ok, the /structure directory returns a small text file for each >> possible property >> e.g. owserver --fake=10 >> owread /structure/10/temperature >> t,000000,000001,ro,000012, > > [ lots of very useful info ] > >> The fourth field is the read/write mode >> oo,wo,ro,rw > > what is the oo mode ? no access at all ? It is used ?
maybe directory entry, must check owfs source code > >> Does this expose all the data you need? > > yes, but the 'immuable' property : both 'temperature' and 'id' have > the 'ro' mode for 28* chips. > The idea would be to let know software using owfs that it can read this value > only once and then catch it. > > So, my 'request' is nearly void. The only 'missing' thing (in addition to > the immuable information) for now is that I need to make two directory reads > to see the difference between plain and system files. But, as there is > catching, it is not a big deal. check ownet.php it have what you want (cache) > > Regards, > Vincent > >> Paul Alfille >> >> On Fri, Apr 1, 2011 at 9:07 AM, Roberto Spadim <robe...@spadim.com.br> wrote: >>> check ownet.php there's something about it too, it check not only one >>> file, but have a cache about file informations (types) >>> the information about files must be compatible with FUSE must check >>> fuse docs and see what can be done >>> >>> 2011/4/1 Paul Alfille <paul.alfi...@gmail.com>: >>>> Have you looked at the "structure" entries? Does it give you the >>>> information you need? Otherwise, I think your idea has merit. This >>>> information could be included in every owserver response (with a bump >>>> in protocol number and preserving backwards compatibility). >>>> >>>> Paul Alfille >>>> >>>> On Fri, Apr 1, 2011 at 6:07 AM, Vincent Danjean <vdanjean.p...@free.fr> >>>> wrote: >>>>> Hi, >>>>> >>>>> I would like to propose a new command for owserver. Currently, when >>>>> we want to list directories, several commands are available, at least >>>>> DIR and DIRALLSLASH. Moreover, we can use flags in the command to >>>>> add (or not) to the listing system files. >>>>> If a software want automatically scan a directory and know which >>>>> kind of files are present, it needs at least two invocations of >>>>> DIRALLSLASH to discove the properties of directory entries (system or >>>>> not, directory or file). And some other properties are known by >>>>> owfs but cannot be discovered by software. I mean: >>>>> - is the file readable ? >>>>> - is the file writable ? >>>>> - can the file contents change ? (never for the 'type' property for >>>>> example) >>>>> - what is the type of the data ? (float, int, string) >>>>> - ... >>>>> >>>>> I can think of this kind of flags: >>>>> r: readable >>>>> w: writable >>>>> d: directory (R/W does not apply ?) >>>>> i: immuable (contents never changes) >>>>> s: system file >>>>> ti: contents is always an integer >>>>> tf: contents is always a double >>>>> ts: contents is a string >>>>> l: this file is a link (ie alias) >>>>> >>>>> The format of the answer can be problematic if all POSIX filename are >>>>> allowed for aliases and if we want a ASCII answer. A possible format would >>>>> be for each entry: >>>>> flags1 flags2 ... name:X [link:Y] >>>>> filename1 >>>>> [filename2...] >>>>> where flagsX are previous flags (boolean properties) >>>>> and name:X, link:Y, ... are properties with argument that will follow >>>>> in the next X, Y lines. >>>>> In my example, there will nearly always be name:1 (name of the file >>>>> on one line, ie without "\n" in the name of the file) >>>>> And link:Y would be present for aliases (generally, Y would be 1 >>>>> unless there is "\n" in the target of the alias) >>>>> >>>>> What do you think of this ? >>>>> And is the info (immuable, format, ...) already exported by drivers ? >>>>> >>>>> This command can be extended over time to give more info if needed >>>>> (client should ignore unknown attributes, or the request can include >>>>> before the path the list of attributes we are interested in) >>>>> >>>>> Regards, >>>>> Vincent >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> Create and publish websites with WebMatrix >>>>> Use the most popular FREE web apps or write code yourself; >>>>> WebMatrix provides all the features you need to develop and >>>>> publish your website. http://p.sf.net/sfu/ms-webmatrix-sf >>>>> _______________________________________________ >>>>> Owfs-developers mailing list >>>>> Owfs-developers@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Create and publish websites with WebMatrix >>>> Use the most popular FREE web apps or write code yourself; >>>> WebMatrix provides all the features you need to develop and >>>> publish your website. http://p.sf.net/sfu/ms-webmatrix-sf >>>> _______________________________________________ >>>> Owfs-developers mailing list >>>> Owfs-developers@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>>> >>>> >>> >>> >>> >>> -- >>> Roberto Spadim >>> Spadim Technology / SPAEmpresarial >>> >>> ------------------------------------------------------------------------------ >>> Create and publish websites with WebMatrix >>> Use the most popular FREE web apps or write code yourself; >>> WebMatrix provides all the features you need to develop and >>> publish your website. http://p.sf.net/sfu/ms-webmatrix-sf >>> _______________________________________________ >>> Owfs-developers mailing list >>> Owfs-developers@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>> >> >> ------------------------------------------------------------------------------ >> Create and publish websites with WebMatrix >> Use the most popular FREE web apps or write code yourself; >> WebMatrix provides all the features you need to develop and >> publish your website. http://p.sf.net/sfu/ms-webmatrix-sf >> _______________________________________________ >> Owfs-developers mailing list >> Owfs-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/owfs-developers >> > > > -- > Vincent Danjean Adresse: Laboratoire d'Informatique de > Grenoble > Téléphone: +33 4 76 61 20 11 ENSIMAG - antenne de Montbonnot > Fax: +33 4 76 61 20 99 ZIRST 51, avenue Jean Kuntzmann > Email: vincent.danj...@imag.fr 38330 Montbonnot Saint Martin > > ------------------------------------------------------------------------------ > Create and publish websites with WebMatrix > Use the most popular FREE web apps or write code yourself; > WebMatrix provides all the features you need to develop and > publish your website. http://p.sf.net/sfu/ms-webmatrix-sf > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers > -- Roberto Spadim Spadim Technology / SPAEmpresarial ------------------------------------------------------------------------------ Create and publish websites with WebMatrix Use the most popular FREE web apps or write code yourself; WebMatrix provides all the features you need to develop and publish your website. http://p.sf.net/sfu/ms-webmatrix-sf _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
