On Wed, 24 Mar 1999, david shen wrote:
> Hi, Mo
Those are the only socket commands but sockets can be used in Tcl
just like any other file with the puts and gets command. They can
also be used by the fconfigure command and the fileevent commands
but these do not really matter in Jacl because there is no
implementation for fconfigure or fileevent and Java does not support
non blocking IO so it is a mute point. What should work is implementing
the socket command (client or server or both) and doing blocking IO
calls with gets and puts.
> Can you tell me a little bit about the scope of the socket programming?
>
> I read the tcl on-line help command.
> There are 2 lines in the synopsis:
>
> socket ?options? host port
> socket -server command ?options? port
>
> and 1 line in the configuration
> The fconfigure command .
The socket examples are not so hot. I can provide you with some
"working" socket examples if you are interested.
> I also read the socket programming(chap 16) from the book "Practical
> Programming in Tcl and Tk". There are several examples about both
> client sockets and server socket.
Implementing the "socket" command would not be that hard because it
is already implemented in C. It is just a matter of taking the C
code and translating it to Java code.
> It seems to me that whoever is responsible for the socket program
> needs to know more than the socket command.
> The person needs to have the knowledge about the following
Tricky in Java.
> a) fileevent (get the callback for the client)
These two have nothing to do with the socket command and they are
already implemented in Jacl.
> b) global
> c) vwait
Not sure what you mean.
later
mo
> d) callback command
>
> Am I correct?
>
> thanks
>
> david
>
>
>
>
>
>
> >From: Moses DeJong <[EMAIL PROTECTED]>
> >To: david shen <[EMAIL PROTECTED]>
> >CC: [EMAIL PROTECTED], [EMAIL PROTECTED]
> >Subject: [Tcl Java] Re: remote execution
> >Date: Wed, 24 Mar 1999 17:52:31 -0600
> >
> >On Wed, 24 Mar 1999, david shen wrote:
> >
> >> Hi, guys
> >
> >That is a little tricky as Jacl does not have a finished implementation
> >of the socket command yet.
> >
> >> I would like to run tcl(Jacl) script file on the remote server and
> >> then display the result on my machine.
> >>
> >> What would be the easiest way to to it?
> >>
> >> I would like to do the following:
> >
> >You could do this by creating a java socket object directly in Jacl
> >using the java::* commands and then invoking the correct methods
> >on them. After your Jacl server got a message it could then call
> >intep.evalFile() and then write the result back over the network
> >connection. That should not be too difficult. If you just want to
> >"get it done" this would be the quickest way. If you have a little
> >time to spare and you would like to help out you could implement
> >the socket command in Jacl. This would be a much better "long term"
> >solution as the socket command would become a supported part of Jacl.
> >I would be willing to provide as much help as I can.
> >
> >later
> >Mo DeJong
> >dejong at cs.umn.edu
> >
> >> 1) using either TCP/IP or RMI to pass the tcl script to the remote
> >> machine
> >> 2) The remote machine would do the following
> >> a) interp.evalFile();
> >> b) interp.getResult();
> >>
> >> 3) pass back the result from 2(b)
> >>
> >> 4) Is this the best way to do it or there are some other
> alternatives?
> >>
> >> thanks for your help
> >>
> >> david
> >> Get Your Private, Free Email at http://www.hotmail.com
> >>
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