[sctp-dev] Platform support for SCTP ?

Dennis Hjort dennis.hjort at ericsson.com
Fri Dec 5 11:16:01 PST 2008


Hi Christopher, 

Great! I am looking forward to see what you've managed to do at that
time, and I think I speak for more than myself when I say that the work
is greatly appreciated. 

Good luck in getting through the "grid of processes"! 

Have a great weekend! 

// D 

-----Original Message-----
From: Christopher.Hegarty at Sun.COM [mailto:Christopher.Hegarty at Sun.COM] 
Sent: den 5 december 2008 13:35
To: Dennis Hjort
Cc: sctp-dev at openjdk.java.net
Subject: Re: [sctp-dev] Platform support for SCTP ?

Hi Dennis,

I made changes to the API to remove some unnecessary dependencies on
parts of the new JSR 203 socket completion work. I need to refactor
these changes in the prototype.

Next, I will sync the sctp mecurial repository [1] ( for holding the
prototype source ) with the OpenJDK tl repository [2]. Essentially, what
we will have is the prototype implementation on top of the latest
OpenJDK source.

There is a little infrastructure here that I am not familiar with, as
well as completing the prototype refactoring, so it will be a take a
some time to complete this. I hope to have this completed within the
next two weeks. What we have then is a buildable repository that can be
used to build the prototype.

I am working through an internal process here at Sun that will allow me
to post binaries, built from said repository. This process may take a
little longer to complete, but I am certainly pushing hard for it.

-Chris.

[1] http://hg.openjdk.java.net/sctp/sctp
[2] http://hg.openjdk.java.net/jdk7/tl

Dennis Hjort wrote:
> Hi again Christopher ! 
> 
> I guess you have been busy in some way or another, but can not help 
> but mail you again, and hear how work is going in getting the 
> prototype implementation available !? :-)
> 
> With kind regards
> 
> // D
> 
> -----Original Message-----
> From: Christopher.Hegarty at Sun.COM [mailto:Christopher.Hegarty at Sun.COM]
> Sent: den 28 november 2008 11:32
> To: Dennis Hjort
> Cc: sctp-dev at openjdk.java.net
> Subject: Re: [sctp-dev] Platform support for SCTP ?
> 
> Hi Dennis,
> 
> Solaris has included support for SCTP since Solaris 10. The Linux 2.6 
> kernel has SCTP support built in, but to you need an extra library to 
> access user level SCTP socket extension functions. I have seen 
> reference to a third party windows SCTP implementation, but have no 
> experience with it and its name eludes me now.
> 
> Within the scope of this SCTP OpenJDK project I plan to develop a 
> prototype implementation for Solaris and Linux (using the lksctp 
> implementation). Of course, if someone wants to contribute a Windows 
> implementation then I am certainly not opposed to that.
> 
> The proposed draft API defines three new channel types, SctpChannel, 
> SctpServerChannel and SctpMutliChannel, all of which have static 
> factory open methods. These methods are specified to throw 
> UnsupportedOperationException if the SCTP protocol is not supported.
> 
> I have a prototype implementation for both Solaris and Linux that I 
> hope to be able to push the source soon. Would be be interested in 
> using this? What SCTP implementation are you currently using?
> 
> -Chris.
> 
> Dennis Hjort wrote:
>> Hi,
>>
>> I've been following this list and have a question regarding platform 
>> support.
>>
>> Currently, SCTP is supported in libraries on linux and solaris, but 
>> what I know it has not yet support on windows. How does this impact 
>> the java SCTP package ? Our application is currently running on 
>> Linux,
> 
>> but it would be wonderful to be able to run basictests and such on 
>> our
> 
>> development plattform also, which is Windows Vista.
>>
>> With kind regards
>>
>> // Dennis
>>
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