Hi,

On Wed, Oct 29, 2014 at 2:28 PM, Jason Ricles <jgr...@alum.lehigh.edu>
wrote:

> foo is not a webapp, it is a separate program running on the computer as a
> daemon. It has to do this stuff for it needed to be ran like this. bar is
> basically the gui to the daemon, providing what is happening on the machine
> to someone at another computer, since the machine is headless these
> programs are being ran on. So I am curious as to how having my foo program
> running outside of bar how it can interact using websockets? So far I have
> seen that they are disconnected


I think it is time to give us more details (and even show some code) about
your trials.
Which library do you use as a WebSocket client at foo ?
What kind of error do you see when trying to connect ?
Etc.


> and have no clue about each other outside
> of using RMI.
>
> On Tue, Oct 28, 2014 at 6:55 PM, Christopher Schultz <
> ch...@christopherschultz.net> wrote:
>
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA256
> >
> > Jason,
> >
> > On 10/28/14 3:06 PM, Jason Ricles wrote:
> > > Chris, foo has to run as a daemon outside of tomcat. It will be
> > > interacting with low level drivers through jni.
> >
> > While interesting, it's not terribly relevant.
> >
> > > I was looking at trying to do that with making a client endpoint
> > > in my daemon but i was having trouble getting it to connect to the
> > > websocket server.
> >
> > Maybe you should start there: get your foo daemon talking to your web
> > application via Websocket and I think you'll learn a lot about
> > Websocket in general and probably end up with a better webapp to boot.
> >
> > Thanks,
> > - -chris
> >
> > > On Tue, Oct 28, 2014 at 12:21 PM, Christopher Schultz <
> > > ch...@christopherschultz.net> wrote:
> > >
> > > Jason,
> > >
> > > On 10/28/14 9:06 AM, Jason Ricles wrote:
> > >>>> Ok so here is the problem I have been spinning my wheels on
> > >>>> for day let me just lay it out.
> > >>>>
> > >>>> I have a daemon written in java running lets call it foo for
> > >>>> simpleness on a linux machine that has the tomcat server
> > >>>> running. On the tomcat server is a WAR file for a webapp
> > >>>> called bar. In that webapp is a webpage with JavaScript
> > >>>> websocket communication that connects to a websocket server
> > >>>> that is also a part of the WAR file. So I have a webpage and
> > >>>> a websocket server communicating with each other.
> > >>>>
> > >>>> I want the foo daemon and the websocket server on bar (web
> > >>>> application) to be able to communicate with each other. Is
> > >>>> there any way outside of sockets to have foo and the
> > >>>> websocket server on bar do this?
> > >
> > > Dumb question: why can't foo just be a Websocket client? Make a
> > > ws:// connection to your web application in Tomcat and then
> > > two-way communication is possible. Take whatever values from either
> > > side and push them over the wire.
> > >
> > > Use JSON or something dirt-simple as your data encapsulation
> > > language: it's standard, well-understood, and has parsers and
> > > serializers readily available for many different languages. It's
> > > also pretty much backward- and forward-compatible since everything
> > > is pretty much a named value map, so you can add/subtract fields at
> > > will without having to rewrite the communication protocol or do a
> > > lot of extra work in either the client or the server.
> > >
> > > -chris
> > >
> > >>>> On Tue, Oct 28, 2014 at 8:59 AM, Martin Grigorov
> > >>>> <martin.grigo...@gmail.com> wrote:
> > >>>>
> > >>>>> On Tue, Oct 28, 2014 at 2:51 PM, Jose MarĂ­a Zaragoza
> > >>>>> <demablo...@gmail.com
> > >>>>>>
> > >>>>> wrote:
> > >>>>>
> > >>>>>> 2014-10-28 13:44 GMT+01:00 Jason Ricles
> > >>>>>> <jgr...@alum.lehigh.edu>:
> > >>>>>>>
> > >>>>>>> Martin,
> > >>>>>>>
> > >>>>>>> I can not use hazelcast due to regulations I have to
> > >>>>>>> abide by, is where
> > >>>>>> any
> > >>>>>>> other built in way besides sockets that will allow me
> > >>>>>>> to share data
> > >>>>>> between
> > >>>>>>> the two processes?
> > >>>>>>
> > >>>>>>
> > >>>>>> You could use an embedded ( or not ) messaging broker (
> > >>>>>> like ActiveMQ ) . Or any kind of in-memory database
> > >>>>>>
> > >>>>>
> > >>>>> But this will be again socket based communication.
> > >>>>>
> > >>>>>
> > >>>>> Let's start from the beginning: What is your use case ?
> > >>>>> What value will have a deserialized session in the second
> > >>>>> process ?
> > >>>>>
> > >>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>>
> > >>>>>>>
> > >>>>>>> On Tue, Oct 28, 2014 at 8:24 AM, Martin Grigorov <
> > >>>>>> martin.grigo...@gmail.com>
> > >>>>>>> wrote:
> > >>>>>>>
> > >>>>>>>> Hi,
> > >>>>>>>>
> > >>>>>>>> In this case you will have to share the data between
> > >>>>>>>> the processes. A simple and easy solution would be to
> > >>>>>>>> use http://hazelcast.com/,
> > >>>>> for
> > >>>>>>>> example.
> > >>>>>>>>
> > >>>>>>>> On Tue, Oct 28, 2014 at 2:06 PM, Jason Ricles <
> > >>>>> jgr...@alum.lehigh.edu>
> > >>>>>>>> wrote:
> > >>>>>>>>
> > >>>>>>>>> No,
> > >>>>>>>>>
> > >>>>>>>>> it is external as in it is running in a daemon on a
> > >>>>>>>>> linux machine
> > >>>>>> where
> > >>>>>>>> the
> > >>>>>>>>> tomcat server is also running.
> > >>>>>>>>>
> > >>>>>>>>> On Tue, Oct 28, 2014 at 4:35 AM, Johan Compagner <
> > >>>>>> jcompag...@servoy.com>
> > >>>>>>>>> wrote:
> > >>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>> I would like to be able to access my sessions
> > >>>>>>>>>>> from an external
> > >>>>>> java
> > >>>>>>>>>> class,
> > >>>>>>>>>>> however each time I do sessionList.getsize() it
> > >>>>>>>>>>> keeps coming
> > >>>>>> back as
> > >>>>>>>> 0,
> > >>>>>>>>>> but
> > >>>>>>>>>>> there is an active sessions. Is there any way I
> > >>>>>>>>>>> can access the
> > >>>>>> active
> > >>>>>>>>>>> sessions in tomcat from an external java
> > >>>>>>>>>>> class?
> > >>>>>>>>>>>
> > >>>>>>>>>>> Jason
> > >>>>>>>>>>>
> > >>>>>>>>>>
> > >>>>>>>>>> What is an external java class? Is it in the same
> > >>>>>>>>>> class loader?
> > >>>>> so
> > >>>>>> it
> > >>>>>>>> is
> > >>>>>>>>>> just part of the webapplication? then the above
> > >>>>>>>>>> approach should work fine
> > >>>>>>>>>>
> > >>>>>>>>>>
> > >>>>>>>>>> -- Johan Compagner Servoy
> > >>>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>
> > >>>>>>
> > >>>>>>
> > ---------------------------------------------------------------------
> > >>>>>>
> > >>>>>>
> > >
> > >>>>>>
> > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> > >>>>>> For additional commands, e-mail:
> > >>>>>> users-h...@tomcat.apache.org
> > >>>>>>
> > >>>>>>
> > >>>>>
> > >>>>
> > >>
> > >> ---------------------------------------------------------------------
> > >>
> > >>
> > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> > >> For additional commands, e-mail: users-h...@tomcat.apache.org
> > >>
> > >>
> > >
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1
> > Comment: GPGTools - http://gpgtools.org
> >
> > iQIcBAEBCAAGBQJUUB7PAAoJEBzwKT+lPKRYRHMQALE7FFu/TAJ2RSJ9PFMBL0BZ
> > tlfNH05K67/LeFRF+XXSkEXt6wtGiUyrWAqW0sMwzD53d+utzCeEAdBweIx+FqPN
> > epMXNgPSmLWVYSRlCF1Cc5AjD2XIkxydifVHoGficH+EEvNN7Z+RboC3/H7VU1T+
> > bO0//oj7Tne+v8V/sgdH7vvW/3ERbncMQU60aLAIMxVkiFYhZH3tAoGZ1TGEBnd8
> > 4fkxzCnJHF0hCvHhZqelVI1yvSBDQGGDPc8NFfoXyJ1UkM/MT1ALeqPogajm+yRy
> > TEP5rSNCzfr4Vx2qr9BY577u9/4V2V2t0GxRjTcY5o4E/XSe37Cxzj0PdAxd/Rry
> > s7hnBP0lQbSixNEoMURxxx1hq5KW2nAxhiBP/GsZGrT5u2QbMF1Ca5tW3pPCyBWn
> > dWu/VT3i/fKbV9Sw64a2yr1rHUDUD3mg64nUp0DL49ZJV2aY6HOcdCH+y1I3PXLS
> > yb2+VCjbjQ3KZRxYHh+1FKrjX0C9+QoyUb6tDvm1EDsAzOgR/ornJR4CUPQspEzX
> > EMEjruHp+AOeDoXCBRBykUBiYjO2QYGNL/d+fTi/NqwB1/jt9B0dA2i7haPnobAO
> > KP1at7aT6nD8Ps9DB8S7bKb2kULkVFq0gEXPiG/T6dLUCEKyeCTVDI/HFwCpqwQy
> > +opr2qBrymRdt9k+mceb
> > =OJQX
> > -----END PGP SIGNATURE-----
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> > For additional commands, e-mail: users-h...@tomcat.apache.org
> >
> >
>

Reply via email to