Hi Alvise,
Very cool: accessing xrootd from cell phones! I've copied the jar file
into the xrootd area and made links from the xrootd page.
thanks,
Pete
On Thu, Nov 25, 2004 at 10:22:57AM +0100, Alvise Dorigo wrote:
> Hi Peter, Andy,
> a Mobile version of the Java xrootd client is available at
>
> http://www.slac.stanford.edu/~dorigoa/NetFileStream.jar
>
> (it is not an 'obfuscated' package so you can reverse-engineer it)
>
> Note 1: A Java Mobile Virtual Machine compliant with MIDP 2.0/CLDC 1.1
> is required in the mobile device in order to correctly run the client;
> AFAIK the following models support it for sure: Sony-Ericsson Z1010,
> Motorola A1000/E1000, *NEC e228/338/e616V.
>
> Note 2: Some device like PalmOS, WinCE compatible palm and so on, have a
> custom JVM unable to run MIDP applications. The free WABA JVM is unable
> to run NetFileStream.jar because has a completely proprietary library
> for socket and record database.
> *
> Note 3: The client now is only a demo: just insert the URL on the remote
> file (must be an ASCII and short file because its content, and its size,
> will be displayed on the mobile device screen) and press 'OK'. No
> log/error messages are displayed at the moment so you must take a look
> at the server log if something goes wrong.
>
> Note 4: Every Mobile device model hai its proprietary way to deploy/run
> the jar application into the device RAM, so I won't describe any method
> here. Some model has a software facility to do that very easily (only
> under Windows); in other models (like the old Motorola A835) the Java
> loader menu is HIDDEN (!), for marketing reasons (I unlocked it some
> time ago), I think... Google can help has usual for any problem.
>
> Alvise
>
> Peter Elmer wrote:
>
> > Hi Alvise,
> >
> >On Wed, Nov 24, 2004 at 12:26:47PM +0100, Alvise Dorigo wrote:
> >
> >
> >>Peter Elmer wrote:
> >>
> >>
> >>>On Wed, Nov 24, 2004 at 12:16:28PM +0100, Alvise Dorigo wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>ok, Pete. Honestly Windows is a world to test yet...
> >>>>
> >>>>
> >>>>
> >>>No problem. At least there is something to play with. (I added Tony as
> >>>I know he was looking at xrootd access for JAS.)
> >>>
> >>>
> >>>
> >>>
> >>What's JAS ? Is Tony interested in the java client ? this is
> >>encouraging...
> >>
> >>
> >
> > For JAS see:
> >
> > http://jas.freehep.org/
> >
> > Regarding ROOT I/O and JAS, see his talk at CHEP:
> >
> >http://indico.cern.ch/contributionDisplay.py?contribId=400&sessionId=6&confId=0
> >
> >IIRC, he had started to work on a Java client, but was aware (since I
> >mentioned it at CHEP) that you were working on this...
> >
> > Pete
> >
> >
> >
> >>>>is >~140 kB a large attach ? ok I wont do this kind attachment in
> >>>>future.
> >>>>
> >>>>
> >>>>
> >>>>
> >>>Large is all relative, but in this case the limit was set low enough to
> >>>discourage non-trivial attachments altogether. You know how much I like
> >>>them.... ;-)
> >>>
> >>> Pete
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>Peter Elmer wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>Hi Alvise,
> >>>>>
> >>>>>On Wed, Nov 24, 2004 at 11:14:07AM +0100, Alvise Dorigo wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>I recently fixed a number of bugs. Please use the new jar in attach
> >>>>>>instead of that one I sent to you some day ago. Now in the source and
> >>>>>>destination argument of XrdFileCopy you can omit the TCP_PORT number
> >>>>>>(it will try to get it from /etc/services under linux and from
> >>>>>>c:\\winnt\\system32\\drivers\\etc\\services under WinNT/XP, otherwise
> >>>>>>default=1094); in addition a 3rd parameter cab be passed to specify
> >>>>>>the size of copy chunk (larger chunk means more copy speed, default
> >>>>>>chunk size is 256 kB) so:
> >>>>>>
> >>>>>>java- jar XrdCopyFile.jar xroot://<USER>@<HOST>/SRC_PATHFILE
> >>>>>>xroot://<USER>@<HOST>/TARGET_PATHFILE [CHUNK_SIZE_IN_KB]
> >>>>>>
> >>>>>>Note 1: The ASYNC communication has been deeply tested with 10
> >>>>>>concurrent clients repeatedly reading from the same file and from the
> >>>>>>same server (this to put all clients on the same physical channel).
> >>>>>>No server-crash during reading has been triggered yet, but it will be
> >>>>>>done asap. The server-crash tolerance has been fully tested with 1
> >>>>>>and more client in SYNC mode.
> >>>>>>
> >>>>>>Note 2: Some data corruption takes place when "oksofar" is handled,
> >>>>>>that means that copying files using chunks > 2MB can create data
> >>>>>>corruption. I'll investigate.
> >>>>>>
> >>>>>>Note 3: The Java client is supposed to run under WindowNT/XP too
> >>>>>>(please remember JDK1.5) but very few tests has been done: even if
> >>>>>>Java is fully multiplatform everybody knows that small differences
> >>>>>>are between platforms, versions and vedors... I developed and tested
> >>>>>>under Fedora Core 3 Linux (kernel 2.6.9-1.667) Sun JDK 1.5.
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>Ok, thanks: I've updated the jar file linked from the xrootd page. Very
> >>>>>nice that we have a windows client now, too....
> >>>>>
> >>>>>BTW, you can't send mails with large attachments to the mailing list.
> >>>>>It
> >>>>>will bounce them. (And in general sending large attachments to mailing
> >>>>>list
> >>>>>is bad practice.) You can probably just stick any future update files
> >>>>>someplace at SLAC and send me the location so I can put it in the
> >>>>>xrootd
> >>>>>web area...
> >>>>>
> >>>>> Pete
> >>>>>
> >>>>>
> >>>>>
> >
> >
> >
> >-------------------------------------------------------------------------
> >Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644
> >Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland
> >-------------------------------------------------------------------------
> >
> >
-------------------------------------------------------------------------
Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644
Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland
-------------------------------------------------------------------------
