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Restore user-space switch option

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Switches and controller in root namespace only, for now.
This commit is contained in:
Brandon Heller
2010-01-07 00:54:27 -08:00
parent d856c81896
commit ca58c896dd
3 changed files with 22 additions and 20 deletions
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mininet/node.py
+11 -7
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@@ -259,13 +259,17 @@ class Switch(Node):
return True, ''
class UserSwitch(Switch):
'''User-space switch.
Currently only works in the root namespace.
'''
def __init__(self, name):
'''Init.
@param name
'''
Node.__init__(self, name, inNamespace = True)
Node.__init__(self, name, inNamespace = False)
def start(self, controllers):
'''Start OpenFlow reference user datapath.
@@ -274,17 +278,17 @@ class UserSwitch(Switch):
@param controllers dict of controller names to objects
'''
if 'c0' not in controller:
if 'c0' not in controllers:
raise Exception('User datapath start() requires controller c0')
controller = controllers['c0']
ofdlog = '/tmp/' + self.name + '-ofd.log'
ofplog = '/tmp/' + self.name + '-ofp.log'
self.cmd('ifconfig lo up')
intfs = self.intfs[1:] # 0 is mgmt interface
self.cmdPrint('ofdatapath -i ' + ','.join(intfs) +
' ptcp: 1> ' + ofdlog + ' 2> ' + ofdlog + ' &')
self.cmdPrint('ofprotocol tcp:' + controller.IP() +
' tcp:localhost --fail=closed 1> ' + ofplog + ' 2>' +
intfs = self.intfs
self.cmdPrint('ofdatapath -i ' + ','.join(intfs) + ' punix:/tmp/' +
self.name + ' 1> ' + ofdlog + ' 2> ' + ofdlog + ' &')
self.cmdPrint('ofprotocol unix:/tmp/' + self.name + ' tcp:' +
controller.IP() + ' --fail=closed 1> ' + ofplog + ' 2>' +
ofplog + ' &')
def stop(self):