from sfa.rspecs.elements.channel import Channel
-
class NITOSv1Lease:
@staticmethod
def add_leases(xml, leases, channels):
-
+
network_elems = xml.xpath('//network')
if len(network_elems) > 0:
network_elem = network_elems[0]
elif len(leases) > 0:
- network_urn = Xrn(leases[0]['component_id']).get_authority_urn().split(':')[0]
- network_elem = xml.add_element('network', name = network_urn)
+ network_urn = Xrn(leases[0]['component_id']
+ ).get_authority_urn().split(':')[0]
+ network_elem = xml.add_element('network', name=network_urn)
else:
network_elem = xml
-
+
# group the leases by slice and timeslots
grouped_leases = []
while leases:
- slice_id = leases[0]['slice_id']
- start_time = leases[0]['start_time']
- duration = leases[0]['duration']
- group = []
-
- for lease in leases:
- if slice_id == lease['slice_id'] and start_time == lease['start_time'] and duration == lease['duration']:
- group.append(lease)
-
- grouped_leases.append(group)
-
- for lease1 in group:
- leases.remove(lease1)
-
- lease_elems = []
+ slice_id = leases[0]['slice_id']
+ start_time = leases[0]['start_time']
+ duration = leases[0]['duration']
+ group = []
+
+ for lease in leases:
+ if slice_id == lease['slice_id'] and start_time == lease['start_time'] and duration == lease['duration']:
+ group.append(lease)
+
+ grouped_leases.append(group)
+
+ for lease1 in group:
+ leases.remove(lease1)
+
+ lease_elems = []
for lease in grouped_leases:
#lease[0]['start_time'] = datetime_to_string(utcparse(lease[0]['start_time']))
lease_fields = ['slice_id', 'start_time', 'duration']
- lease_elem = network_elem.add_instance('lease', lease[0], lease_fields)
+ lease_elem = network_elem.add_instance(
+ 'lease', lease[0], lease_fields)
lease_elems.append(lease_elem)
# add nodes of this lease
for node in lease:
- lease_elem.add_instance('node', node, ['component_id'])
+ lease_elem.add_instance('node', node, ['component_id'])
# add reserved channels of this lease
#channels = [{'channel_id': 1}, {'channel_id': 2}]
for channel in channels:
- #channel['start_time'] = datetime_to_string(utcparse(channel['start_time']))
- if channel['slice_id'] == lease[0]['slice_id'] and channel['start_time'] == lease[0]['start_time'] and channel['duration'] == lease[0]['duration']:
- lease_elem.add_instance('channel', channel, ['component_id'])
-
+ #channel['start_time'] = datetime_to_string(utcparse(channel['start_time']))
+ if channel['slice_id'] == lease[0]['slice_id'] and channel['start_time'] == lease[0]['start_time'] and channel['duration'] == lease[0]['duration']:
+ lease_elem.add_instance(
+ 'channel', channel, ['component_id'])
@staticmethod
def get_leases(xml, filter=None):
- if filter is None: filter={}
- xpath = '//lease%s | //default:lease%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
+ if filter is None:
+ filter = {}
+ xpath = '//lease%s | //default:lease%s' % (
+ XpathFilter.xpath(filter), XpathFilter.xpath(filter))
lease_elems = xml.xpath(xpath)
return NITOSv1Lease.get_lease_objs(lease_elems)
@staticmethod
def get_lease_objs(lease_elems):
- leases = []
+ leases = []
channels = []
for lease_elem in lease_elems:
- #get nodes
+ # get nodes
node_elems = lease_elem.xpath('./default:node | ./node')
for node_elem in node_elems:
- lease = Lease(lease_elem.attrib, lease_elem)
- lease['slice_id'] = lease_elem.attrib['slice_id']
- #lease['start_time'] = datetime_to_epoch(utcparse(lease_elem.attrib['start_time']))
- lease['start_time'] = lease_elem.attrib['start_time']
- lease['duration'] = lease_elem.attrib['duration']
- lease['component_id'] = node_elem.attrib['component_id']
- lease['type'] = 'node'
- leases.append(lease)
- #get channels
+ lease = Lease(lease_elem.attrib, lease_elem)
+ lease['slice_id'] = lease_elem.attrib['slice_id']
+ #lease['start_time'] = datetime_to_epoch(utcparse(lease_elem.attrib['start_time']))
+ lease['start_time'] = lease_elem.attrib['start_time']
+ lease['duration'] = lease_elem.attrib['duration']
+ lease['component_id'] = node_elem.attrib['component_id']
+ lease['type'] = 'node'
+ leases.append(lease)
+ # get channels
channel_elems = lease_elem.xpath('./default:channel | ./channel')
for channel_elem in channel_elems:
- channel = Channel(channel_elem.attrib, channel_elem)
- channel['slice_id'] = lease_elem.attrib['slice_id']
- #channel['start_time'] = datetime_to_epoch(utcparse(lease_elem.attrib['start_time']))
- channel['start_time'] = lease_elem.attrib['start_time']
- channel['duration'] = lease_elem.attrib['duration']
- channel['component_id'] = channel_elem.attrib['component_id']
- channel['type'] = 'channel'
- channels.append(channel)
-
- return leases + channels
+ channel = Channel(channel_elem.attrib, channel_elem)
+ channel['slice_id'] = lease_elem.attrib['slice_id']
+ #channel['start_time'] = datetime_to_epoch(utcparse(lease_elem.attrib['start_time']))
+ channel['start_time'] = lease_elem.attrib['start_time']
+ channel['duration'] = lease_elem.attrib['duration']
+ channel['component_id'] = channel_elem.attrib['component_id']
+ channel['type'] = 'channel'
+ channels.append(channel)
+ return leases + channels