Sure, check out Switch::configure in src/nox/coreapps/switch/
Args can be specified as key value delimited by commas: For example:
pyreplicator=interval=43200,directory=/var/log/foo
on the command line will pass the key value pairs
(interval,43200;directory,/var/log/foo) to the pyreplicator component.
.martin
A question related to this topic -
Is there a simple mechanism to send command line args to C++ modules?
Is there an example app I could look up to understand how to do it?
Thanks,
Nikhil
On Sun, Jan 11, 2009 at 11:47 PM, Martin Casado <[email protected]
<mailto:[email protected]>> wrote:
In your application configure method, do something like:
def configure(self, configuration):
for param in configuration['arguments']:
if param.find('=') != -1:
key, value = param[:param.find('=')],
param[param.find('=')+1:]
else:
key, value = param, ''
if key == 'foo': self.foo = value
elif key == 'bar': self.bar = value
else:
raise RuntimeError('Unsupported configuration
option: ' + param)
Then you can call your app as follows
./nox_core myapp=foo=1,bar=2
On Jan 11, 2009, at 10:43 PM, Brandon Heller wrote:
Where/what files should I look at for examples of the component
model?
I guess I don't absolutely need cmd-line options - could build my
test runner inside nox, rather than calling it a bunch of times.
Thanks,
Brandon
On Sun, Jan 11, 2009 at 10:40 PM, Martin Casado
<[email protected] <mailto:[email protected]>> wrote:
This is because we embed python and don't use the internal
python c api to pass the the command line args to python.
Our rational for this was that apps should get their args
through the component model (in config) rather than have to
parse to original command line. However, passing the args to
python is relatively simple if it something you'd fine useful.
.martin
On Jan 11, 2009, at 10:32 PM, Brandon Heller wrote:
Any idea why I get this error?
brand...@mvm-of1:~/nox/noxcore/build/src$ ./nox_core -i
ptcp:6633 static_setup 1 2 3
NOX 0.4.0~core~beta (nox_core), compiled Jan 9 2009 15:09:46
Compiled with OpenFlow 0x97 (exp)
00001|nox|ERR:Cannot change the state of 'static_setup'
to INSTALLED:
'static_setup' ran into an error:
cannot construct a Python module
'nox.coreapps.static_setup.static_setup': Traceback (most
recent call last):
File "./nox/coreapps/static_setup/static_setup.py",
line 171, in instance
return StaticSetup(ctxt)
File "./nox/coreapps/static_setup/static_setup.py",
line 91, in __init__
print(sys.argv)
AttributeError: 'module' object has no attribute 'argv'
I've imported sys and am trying to print sys.argv to see
the command line args.
Thanks,
Brandon
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Martin Casado
CTO, Nicira Networks
650-776-1457 (m)
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