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Add localonly mode to SLP

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Sometimes in a likely mismatched IP situation, some SLP things will manage to reply and slow
down.  For now in the case of mismatched IPv4 being likely, provide a mode fixated on link local.
This commit is contained in:
Jarrod Johnson 2017-06-09 12:24:35 -04:00
parent ff6e4d7ab6
commit 86ed339b48
1 changed files with 9 additions and 1 deletions
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10
confluent_server/confluent/discovery/protocols/slp.py
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@ -28,6 +28,8 @@ _slp_services = set([
'service:management-hardware.IBM:integrated-management-module2',
'service:lenovo-smm',
'service:management-hardware.Lenovo:lenovo-xclarity-controller',
'service:management-hardware.IBM:chassis-management-module',
'service:management-hardware.Lenovo:chassis-management-module',
])
# SLP has a lot of ambition that was unfulfilled in practice.
@ -468,7 +470,7 @@ def active_scan(handler):
handler(scanned)
def scan(srvtypes=_slp_services, addresses=None):
def scan(srvtypes=_slp_services, addresses=None, localonly=False):
"""Find targets providing matching requested srvtypes
This is a generator that will iterate over respondants to the SrvType
@ -508,6 +510,12 @@ def scan(srvtypes=_slp_services, addresses=None):
_grab_rsps((net, net4), rsps, 1, xidmap)
# now to analyze and flesh out the responses
for id in rsps:
if localonly:
for addr in rsps[id]['addresses']:
if 'fe80' in addr[0]:
break
else:
continue
_add_attributes(rsps[id])
del rsps[id]['payload']
del rsps[id]['function']