Using threads from within Python in NOX is basically out. You have a number of
other options.
If you just want to do something every second, maybe you can get away with
using your socket code and just scheduling a timer callback (pyswitch does this
to expire entries). You will have to be somewhat careful to not block (for
long), though.
Two other possibilities are to use the messenger/jsonmessenger component (which
is how the GUI communicates with the monitoring component), or making use of
Twisted. Kyriakos just mentioned these in a bit more detail on the mailing
list the other day in the "Blocking Modules" thread.
-- Murphy
On Mar 28, 2011, at 7:10 AM, Vishal wrote:
> Hi All,
>
> in the "install" function of pyswitch - I am starting a thread
> [thread.start_new_thread ()], which makes a socket connection to another
> server and sends some data every 1 second.
>
> I am observing that the thread is started but cannot send the data every 1
> second... it is not scheduled for 5-10 seconds....and sends data randomly
> with lot of delay.
>
> Is there something wrong I am doing? or is there a scheduler where I need to
> register the thread ? (an app level thread scheduler) or twisted etc is
> interfering ?
>
> Any help is appreciated as I am new to python.
>
> Thanks a lot,
> Vishal
>
> For running: I have modified pyswitch.py and restarted the nox_core with it..
>
> The function is below:
> def serveclient(self):
> print 'serveclient'
> print self.host,self.port
> s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
> s.connect((self.add_host,self.add_port))
> print "connected"
> while 1:
> s.send('test data')
> time.sleep(1)
> s.close()
>
>
>
>
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> [email protected]
> http://noxrepo.org/mailman/listinfo/nox-dev
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