def gotDocument(self, result, peer):
if result is None:
log.msg('Got empty NSA discovery document (URL: %s)' % peer.url, system=LOG_SYSTEM)
return
log.msg('Got NSA description from %s (%i bytes)' % (peer.url, len(result)), debug=True, system=LOG_SYSTEM)
try:
nsa_description = discovery.parse(result)
nsa_id = nsa_description.id_
cs_service_url = None
for i in nsa_description.interface:
if i.type_ == cnt.CS2_PROVIDER:
cs_service_url = i.href
elif i.type_ == cnt.CS2_SERVICE_TYPE and cs_service_url is None: # compat, only overwrite if cs prov not specified
cs_service_url = i.href
if cs_service_url is None:
log.msg('NSA description does not have CS interface url, discarding description', system=LOG_SYSTEM)
return
network_ids = [ _baseName(nid) for nid in nsa_description.networkId if nid.startswith(cnt.URN_OGF_PREFIX) ] # silent discard weird stuff
nsi_agent = nsa.NetworkServiceAgent( _baseName(nsa_id), cs_service_url, cnt.CS2_SERVICE_TYPE)
self.provider_registry.spawnProvider(nsi_agent, network_ids)
# first, build vectors
vectors = {}
if nsa_description.other is not None:
for other in nsa_description.other:
if other.topologyReachability:
for tr in other.topologyReachability:
if tr.uri.startswith(cnt.URN_OGF_PREFIX): # silent discard weird stuff
vectors[_baseName(tr.uri)] = tr.cost + 1
for nid in network_ids:
vectors[nid] = 1
# update per-port link vectors
if vectors:
for np in self.nrm_ports:
if np.remote_network in network_ids:
# this may add the vectors to multiple ports (though not likely)
self.link_vectors.updateVector(np.name, vectors )
# there is lots of other stuff in the nsa description but we don't really use it
except Exception as e:
log.msg('Error parsing NSA description from url %s. Reason %s' % (peer.url, str(e)), system=LOG_SYSTEM)
import traceback
traceback.print_exc()
def gotDocument(self, result, peer):
log.msg('Got NSA description from %s (%i bytes)' % (peer.url, len(result)), debug=True, system=LOG_SYSTEM)
try:
nsa_description = discovery.parse(result)
nsa_id = nsa_description.id_
cs_service_url = None
for i in nsa_description.interface:
if i.type_ == cnt.CS2_PROVIDER:
cs_service_url = i.href
elif i.type_ == cnt.CS2_SERVICE_TYPE and cs_service_url is None: # compat, only overwrite if cs prov not specified
cs_service_url = i.href
if cs_service_url is None:
log.msg('NSA description does not have CS interface url, discarding description', system=LOG_SYSTEM)
return
network_ids = [ _baseName(nid) for nid in nsa_description.networkId if nid.startswith(cnt.URN_OGF_PREFIX) ] # silent discard weird stuff
nsi_agent = nsa.NetworkServiceAgent( _baseName(nsa_id), cs_service_url, cnt.CS2_SERVICE_TYPE)
self.provider_registry.spawnProvider(nsi_agent, network_ids)
# how to port ?
vectors = {}
if nsa_description.other is not None:
for other in nsa_description.other:
if other.topologyReachability:
for tr in other.topologyReachability:
if tr.uri.startswith(cnt.URN_OGF_PREFIX): # silent discard weird stuff
vectors[_baseName(tr.uri)] = tr.cost + 1
for nid in network_ids:
vectors[nid] = 1
if vectors:
for np in self.nrm_ports:
if np.remote_network in network_ids:
# this may add the vectors to multiple ports (though not likely)
self.link_vectors.updateVector(np.name, vectors )
# there is lots of other stuff in the nsa description but we don't really use it
except Exception as e:
log.msg('Error parsing NSA description from url %s. Reason %s' % (peer.url, str(e)), system=LOG_SYSTEM)
import traceback
traceback.print_exc()
def testDiscovery(self):
aruba_discovery_service = 'http://localhost:4080/NSI/discovery.xml'
bonaire_discovery_service = 'http://localhost:4080/NSI/discovery.xml'
requester_agent = nsa.NetworkServiceAgent('test-requester:nsa',
'dud_endpoint1')
d = httpclient.httpRequest(aruba_discovery_service.encode('utf-8'),
b'', {},
b'GET',
timeout=10)
aruba_discovery_doc = yield d
aruba_discovery = discovery.parse(aruba_discovery_doc)
# basic tests
self.failUnlessEqual('urn:ogf:network:aruba.net:nsa',
aruba_discovery.id_, 'nsa id seems to be wrong')
self.failUnlessEqual(2, len(aruba_discovery.networkId),
'should have two networks')
self.failUnlessIn('urn:ogf:network:aruba.net:san',
aruba_discovery.networkId,
'missing network in discovery')
self.failUnlessIn('urn:ogf:network:aruba.net:san',
aruba_discovery.networkId,
'missing network in discovery')
cs_service_url = None
nml_topologies = []
for intf in aruba_discovery.interface:
if intf.type_ == constants.CS2_SERVICE_TYPE:
cs_service_url = intf.href
elif intf.type_ == constants.NML_SERVICE_TYPE:
nml_topologies.append(intf.href)
self.failIfEqual(cs_service_url, None, 'No service url found')