Passing java sockets impossible?

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Nekom - 24 Dec 2004 15:05 GMT

Is it REALLY impossible to pass java sockets to external programs in
any way? Is there no socket handle, as in c? If anyone knows of a way
to do this in java, or can confirm that it is absolutely impossible, it
would be a ton of help. Thanks

- Luke

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Ryan Stewart - 24 Dec 2004 17:15 GMT

> Is it REALLY impossible to pass java sockets to external programs in
> any way? Is there no socket handle, as in c? If anyone knows of a way to
> do this in java, or can confirm that it is absolutely impossible, it would
> be a ton of help. Thanks

According to whom is it impossible? I've never tried anything of the sort,
but since there must be an actual connection somewhere, surely there's a way
to get to it. You may have to write some native code, but it would seem
there has to be a way.

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Brett Foster - 24 Dec 2004 20:28 GMT

>> Is it REALLY impossible to pass java sockets to external programs in
>>any way? Is there no socket handle, as in c? If anyone knows of a way to
>>do this in java, or can confirm that it is absolutely impossible, it would
>>be a ton of help. Thanks

No.

> According to whom is it impossible? I've never tried anything of the sort,
> but since there must be an actual connection somewhere, surely there's a way
> to get to it. You may have to write some native code, but it would seem
> there has to be a way.

It's not impossible. One could simply build his or her own socket
implementation and use that and provide documented hooks to get at the
information.

Otherwise it's also not impossible, but hard, painful, insane, and not
worth the effort... It's also likely not stable between revisions.

Brett

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Nekom - 25 Dec 2004 17:30 GMT

>>> Is it REALLY impossible to pass java sockets to external programs
>>> in any way? Is there no socket handle, as in c? If anyone knows of
[quoted text clipped - 16 lines]
>
> Brett

Well what I'm trying to do is to write a java based telnet BBS
system. And it will need support for external programs, such as door
games. Modern door games use a drop file that contains a number, which
is the socket handle, which they use to take over the connection. Now
I've come up with an idea for a very convoluted workaround, but I was
hoping that there was an easier way. I'm not at all familiar with how
java deals with sockets internally, but it doesn't look like the socket
handle is readily available. Well if I can't make it work, I may have
to abandon the idea and revert to c++

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Jose Solorzano - 28 Dec 2004 13:49 GMT

> >>> Is it REALLY impossible to pass java sockets to external programs
> >>> in any way? Is there no socket handle, as in c? If anyone knows of
[quoted text clipped - 19 lines]
> Well what I'm trying to do is to write a java based telnet BBS
> system. And it will need support for external programs, such as door

> games. Modern door games use a drop file that contains a number, which
> is the socket handle, which they use to take over the connection. Now
> I've come up with an idea for a very convoluted workaround, but I was

> hoping that there was an easier way. I'm not at all familiar with how
> java deals with sockets internally, but it doesn't look like the socket
> handle is readily available. Well if I can't make it work, I may have
> to abandon the idea and revert to c++

SocketImpl has getFileDescriptor() but it's protected.

Can these door games use standard input/output or listen
on a specific port number?

Jose Solorzano

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Dirk Gerrit Oort - 25 Dec 2004 10:21 GMT

when you want contact a c++ programm, why don't you use CORBA

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D.G. Oort

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Passing java sockets impossible?

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