Darryl Miles wrote:
If my research is correct this the commons-daemon package ?
jakarta-commons (See http://jakarta.apache.org/commons/daemon/)
I'm looking to find out if a patch to add network support to the
'jsvc' program would be a welcome enhancement. I would like to be
able to reboot a JVM remotely in a development environment. This is a
building block in some larger work I am trying to do to enable IDE
based development to be network transparent for the entire development
process. The function is very similar to the shutdown port (within
TC) but it works over UDP. Commands are cryptographically protected
via a shared secret (the password) and a request/challenge/response
cycle is needed to issue instructions to jsvc. In some ways it is
much more useful than inside jsvc than tomcat because it has the
ability to forcefully kill of the TC JVM if/when things get out of
hand (especially true in the development environment).
There is an example in daemon see
http://svn.apache.org/viewvc/jakarta/commons/proper/daemon/trunk/src/samples/SimpleDaemon.java
I have got a proof of concept patch for jsvc running tomcat on
linux/unix, the patch adds support and provide a simple network client
from the command line bundled with the jsvc build.
Add a issue and put it as attachement
Cheers
Jean-Frederic
If this is thought to be a useful addition that would get approval
for inclusion I will happily work on porting it to windows as well.
I do not intend to make network support enabled by default (you'd have
to specify it in a cmdline option). You'd have to configure a shared
secret to use it.
At the moment it is built on top of OpenSSL for the secure hash
implementation the simple protocol uses, however this dependency can
probably be avoided if a public domain version of SHA1 (or MD5) was
bundled instead.
Who/where do I approach on this matter.
Your thoughts and pointers in the right direction,
Thanks
Darryl
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