A simple ACS/tr069 server to configure femto cells.
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#!/usr/bin/env python3
# Author: Alexander Couzens <lynxis@fe80.eu>
# (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
XML_NS = {
'soap-env': 'http://schemas.xmlsoap.org/soap/envelope/',
'cwmp': 'urn:dslforum-org:cwmp-1-0'
}
def get_cwmp_method(root):
""" retrieve the cwmp method from the xml root Node """
body = root.find('soap-env:Body', XML_NS)
if body is None:
return None
for child in body:
if child.tag == '{urn:dslforum-org:cwmp-1-0}Inform':
return ('Inform', child)
if child.tag == '{urn:dslforum-org:cwmp-1-0}SetParameterValuesResponse':
return ('SetParameterValuesResponse', child)
return None
def get_cwmp_id(root):
""" retrieve the cwmp id """
header = root.find('soap-env:Header', XML_NS)
if header is None:
return None
cwmpid = header.find('{urn:dslforum-org:cwmp-1-0}ID', XML_NS)
if cwmpid is not None:
return cwmpid.text
return None
def get_cwmp_inform_events(inform):
""" return a list of Inform Events """
eventnode = inform.find('Event')
if eventnode is None:
return None
events = []
""" parse
<Event soap-enc:arrayType="cwmp:EventStruct[2]"
<EventStruct>
<EventCode>4 VALUE CHANGE</EventCode>
<CommandKey></CommandKey>
</EventStruct>
<EventStruct>
<EventCode>0 BOOTSTRAP</EventCode>
<CommandKey></CommandKey>
</EventStruct>
</Event>
"""
for ev in eventnode:
if ev.tag != "EventStruct":
continue
evcodenode = ev.find('EventCode')
events.append(evcodenode.text)
return events
def get_cwmp_inform_serial(inform):
""" retrieve the serial from an inform node """
device_id = inform.find('DeviceId')
if device_id is None:
return None
serial = device_id.find('SerialNumber')
if serial is None:
return None
return serial.text
def get_cwmp_setresponse_status(setparametervaluesresponse):
""" retrieve the status from a setparametervaluesresponse node """
statusnode = setparametervaluesresponse.find('Status')
if statusnode is None:
return None
return statusnode.text