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Ant support for daemon processes

Ant support for daemon processes

2007-06-06       - By Vladimir Egorov
Reply:     1     2  

Hi Ant Users,

I am interested in Ant support for daemon processes, such as servers.
For example, I would like to stop an Exec or Java process on demand -
this is not possible with existing Exec and Java tasks.

Ant manual for parallel task has the following example that "represents
a typical pattern for testing a server application":

<parallel>
 <wlrun ... >
 <sequential>
   <sleep seconds="30"/>
   <junit ... >
   <wlstop/>
 </sequential>
</parallel>

Above <wlstop> is a proprietary task that only works with WL. I am
looking for a generic 'kill' task that can kill a referenced process.

The above example may look like this.

<parallel>
 <exec id='myserver'
   executable='ServerUnderTest.exe'
   ...
 <sequential>
   <sleep seconds="30"/>
   <junit ... >
   <kill id='myserver'/>
 </sequential>
</parallel>

Unlike the WL example, we are not using a proprietary stop mechanism.
The <kill> task is a generic task that calls Process.destroy(), and
works for both Exec and Java processes.

Is there anything in the Ant World on this?
   
Thank you,

--Vladimir

P.S. Another area is full support for 'spawn' attribute. Right now:

   $ ant -version
   Apache Ant version 1.6.5 compiled on June 2 2005
   $ cat t.xml
   <project>
     <exec executable="ls" spawn="true" timeout="1000"/>
   </project>
   $ ant -f t.xml
   Buildfile: t.xml
   spawn does not allow attributes related to input, output, error,
result
   spawn also does not allow timeout
   finally, spawn is not compatible with a nested I/O <redirector>
   
   BUILD FAILED



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