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topogen: implement start/stop methods for TopoGear

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Having a generic start/stop methods for TopoGear allows TopoGen to call
start/stop for all equipments. This allows us to reduce the teardown
code by removing the necessity of having to always remember to call
each equipment clean up function.
This commit is contained in:
Rafael Zalamena 2017-07-10 17:01:23 -03:00 committed by Donald Sharp
parent f6899d4dd4
commit 4cfdff1a86
1 changed files with 17 additions and 1 deletions
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18
tests/topotests/lib/topogen.py
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@ -250,8 +250,16 @@ class Topogen(object):
router.start()
def stop_topology(self):
"Stops the network topology"
"""
Stops the network topology. This function will call the stop() function
of all gears before calling the mininet stop function, so they can have
their oportunity to do a graceful shutdown.
"""
logger.info('stopping topology: {}'.format(self.modname))
for gear in self.gears.values():
gear.stop()
self.net.stop()
def mininet_cli(self):
@ -310,6 +318,14 @@ class TopoGear(object):
return 'TopoGear<name="{}",links=[{}]>'.format(self.name, links)
def start(self):
"Basic start function that just reports equipment start"
logger.info('starting "{}"'.format(self.name))
def stop(self):
"Basic start function that just reports equipment stop"
logger.info('stopping "{}"'.format(self.name))
def run(self, command):
"""
Runs the provided command string in the router and returns a string