def query_metakey(service, src, dst):
msg = """
<nmwg:message type="MetadataKeyRequest" id="metadataKeyRequest1"
xmlns:iperf= "http://ggf.org/ns/nmwg/tools/iperf/2.0/"
xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"
xmlns:select="http://ggf.org/ns/nmwg/ops/select/2.0/"
xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/2.0/"
xmlns:nmtm="http://ggf.org/ns/nmwg/time/2.0/">
<nmwg:metadata id="meta1" xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/">
<iperf:subject xmlns:iperf= "http://ggf.org/ns/nmwg/tools/iperf/2.0/" id="s-in-iperf-1">
<nmwgt:endPointPair xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/2.0/">
<nmwgt:src value="%s" />
<nmwgt:dst value="%s" />
</nmwgt:endPointPair>
</iperf:subject>
<nmwg:eventType>http://ggf.org/ns/nmwg/tools/iperf/2.0</nmwg:eventType>
<nmwg:parameters id="parameters-0">
<nmwg:parameter name="protocol">TCP</nmwg:parameter>
</nmwg:parameters>
</nmwg:metadata>
<nmwg:data id="data1" metadataIdRef="meta1" xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"/>
</nmwg:message>
"""
result = query_psservice(service, msg % (src, dst))
root = etree.fromstring(result)
meta = root.find(".//{%s}parameter[@name=\"maKey\"]" % NMWG)
if meta == None:
return None
else:
return meta.text
def query_metakey(service, src, dst):
msg = """
<nmwg:message type="MetadataKeyRequest" id="metadataKeyRequest1"
xmlns:iperf= "http://ggf.org/ns/nmwg/tools/iperf/2.0/"
xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"
xmlns:select="http://ggf.org/ns/nmwg/ops/select/2.0/"
xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/2.0/"
xmlns:nmtm="http://ggf.org/ns/nmwg/time/2.0/">
<nmwg:metadata id="meta1" xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/">
<iperf:subject xmlns:iperf= "http://ggf.org/ns/nmwg/tools/iperf/2.0/" id="s-in-iperf-1">
<nmwgt:endPointPair xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/2.0/">
<nmwgt:src value="%s" />
<nmwgt:dst value="%s" />
</nmwgt:endPointPair>
</iperf:subject>
<nmwg:eventType>http://ggf.org/ns/nmwg/tools/iperf/2.0</nmwg:eventType>
<nmwg:parameters id="parameters-0">
<nmwg:parameter name="protocol">TCP</nmwg:parameter>
</nmwg:parameters>
</nmwg:metadata>
<nmwg:data id="data1" metadataIdRef="meta1" xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"/>
</nmwg:message>
"""
result = query_psservice(service, msg % (src, dst))
root = etree.fromstring(result)
meta = root.find(".//{%s}parameter[@name=\"maKey\"]" % NMWG)
if meta == None:
return None
else:
return meta.text
def poll_snmp_data(start_time, end_time):
sent = EventType.objects.get(value='http://ggf.org/ns/nmwg/characteristic/network/utilization/bytes/sent/2.0')
recv = EventType.objects.get(value='http://ggf.org/ns/nmwg/characteristic/network/utilization/bytes/received/2.0')
metadata = Metadata.objects.filter(poll=True, event_type=sent)
metadata_recv = Metadata.objects.filter(poll=True, event_type=recv)
services = {}
for m in metadata:
if m.service not in services:
services[m.service] = {'meta': {}}
services[m.service]['meta'][m] = None
for service in services:
services[service]['request'] = ''
for m in services[service]['meta']:
result = make_snmp_request(m.subject, start_time, end_time)
services[service]['meta'][m] = result['metaid']
services[service]['request'] += result['xml']
services[service]['request'] = """
<nmwg:message xmlns:netutil="http://ggf.org/ns/nmwg/characteristic/utilization/2.0/"
xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"
xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/2.0/"
xmlns:select="http://ggf.org/ns/nmwg/ops/select/2.0/"
type="SetupDataRequest" id="SetupDataRequest1">
""" + services[service]['request'] + "\n</nmwg:message>"
for service in services:
sss = time.time()
response = query_psservice(service, services[service]['request'])
eee = time.time()
print "query time: %f" % (eee - sss)
root = etree.fromstring(response)
for m in services[service]['meta']:
metas = root.findall(".//{%s}metadata[@metadataIdRef=\"%s\"]" % (NMWG, services[service]['meta'][m]))
if metas == None:
continue
direction = metas[0].find(".//{%s}direction" % (NMWGT))
if direction.text == 'out':
meta_out = metas[0]
meta_in = metas[1]
else:
meta_out = metas[1]
meta_in = metas[0]
meta_in_id = meta_in.attrib['id']
meta_out_id = meta_out.attrib['id']
data_in = root.find(".//{%s}data[@metadataIdRef=\"%s\"]" % (NMWG, meta_in_id))
data_out = root.find(".//{%s}data[@metadataIdRef=\"%s\"]" % (NMWG, meta_out_id))
parsed_in = parse_snmp_response_data(data_in)
parsed_out = parse_snmp_response_data(data_out)
save_data(m, parsed_out)
recv_meta = metadata_recv.get(objectID=m.subject.id)
save_data(recv_meta, parsed_in)
def poll_snmp_data(start_time, end_time):
sent = EventType.objects.get(
value=
'http://ggf.org/ns/nmwg/characteristic/network/utilization/bytes/sent/2.0'
)
recv = EventType.objects.get(
value=
'http://ggf.org/ns/nmwg/characteristic/network/utilization/bytes/received/2.0'
)
metadata = Metadata.objects.filter(poll=True, event_type=sent)
metadata_recv = Metadata.objects.filter(poll=True, event_type=recv)
services = {}
for m in metadata:
if m.service not in services:
services[m.service] = {'meta': {}}
services[m.service]['meta'][m] = None
for service in services:
services[service]['request'] = ''
for m in services[service]['meta']:
result = make_snmp_request(m.subject, start_time, end_time)
services[service]['meta'][m] = result['metaid']
services[service]['request'] += result['xml']
services[service]['request'] = """
<nmwg:message xmlns:netutil="http://ggf.org/ns/nmwg/characteristic/utilization/2.0/"
xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"
xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/2.0/"
xmlns:select="http://ggf.org/ns/nmwg/ops/select/2.0/"
type="SetupDataRequest" id="SetupDataRequest1">
""" + services[service]['request'] + "\n</nmwg:message>"
for service in services:
sss = time.time()
response = query_psservice(service, services[service]['request'])
eee = time.time()
print "query time: %f" % (eee - sss)
root = etree.fromstring(response)
for m in services[service]['meta']:
metas = root.findall(".//{%s}metadata[@metadataIdRef=\"%s\"]" %
(NMWG, services[service]['meta'][m]))
if metas == None:
continue
direction = metas[0].find(".//{%s}direction" % (NMWGT))
if direction.text == 'out':
meta_out = metas[0]
meta_in = metas[1]
else:
meta_out = metas[1]
meta_in = metas[0]
meta_in_id = meta_in.attrib['id']
meta_out_id = meta_out.attrib['id']
data_in = root.find(".//{%s}data[@metadataIdRef=\"%s\"]" %
(NMWG, meta_in_id))
data_out = root.find(".//{%s}data[@metadataIdRef=\"%s\"]" %
(NMWG, meta_out_id))
parsed_in = parse_snmp_response_data(data_in)
parsed_out = parse_snmp_response_data(data_out)
save_data(m, parsed_out)
recv_meta = metadata_recv.get(objectID=m.subject.id)
save_data(recv_meta, parsed_in)