class Interfaces(dict):
"""
Interfaces is a base class for managing information on the
peers we are federated with. Provides connections (xmlrpc or soap) to federated peers
"""
# fields that must be specified in the config file
default_fields = {
'hrn': '',
'addr': '',
'port': '',
}
# defined by the class
default_dict = {}
def __init__(self, conf_file):
dict.__init__(self, {})
# load config file
required_fields = set(self.default_fields.keys())
self.interface_info = XML(conf_file).todict()
for value in self.interface_info.values():
if isinstance(value, list):
for record in value:
if isinstance(record, dict) and \
required_fields.issubset(record.keys()):
hrn, address, port = record['hrn'], record['addr'], record['port']
# sometime this is called at a very early stage with no config loaded
# avoid to remember this instance in such a case
if not address or not port:
continue
interface = Interface(hrn, address, port)
self[hrn] = interface
def server_proxy(self, hrn, key_file, cert_file, timeout=30):
return self[hrn].server_proxy(key_file, cert_file, timeout)
