sfa/rspecs/elements/versions/ofeliav1Port.py

   1 from sfa.util.xrn import Xrn
   2 from sfa.util.xml import XmlElement
   3
   4 from sfa.rspecs.elements.element import Element
   5 from sfa.rspecs.elements.port import Port
   6
   7
   8 class Ofeliav1Port:
   9
  10     @staticmethod
  11     def add_portrs(xml, ports):
  12         raise Exception("not implemented yet")
  13         if not ports:
  14             return
  15         if not isinstance(ports, list):
  16             ports = [ports]
  17         for port in ports:
  18             port_elem = xml.add_instance('port', port, ['name'])
  19             tags = port.get('tags', [])
  20             if tags:
  21                 for tag in tags:
  22                     Ofeliav1Port.add_port_attribute(
  23                         port_elem, tag['tagname'], tag['value'])
  24
  25     @staticmethod
  26     def add_port_attribute(xml, name, value):
  27         raise Exception("not implemented yet")
  28         elem = xml.add_element(name)
  29         elem.set_text(value)
  30
  31     @staticmethod
  32     def get_port_attributes(xml):
  33         attribs = []
  34         for elem in xml.iterchildren():
  35             if elem.tag not in Port.fields:
  36                 xml_element = XmlElement(elem, xml.namespaces)
  37                 instance = Element(fields=xml_element, element=elem)
  38                 instance['name'] = elem.tag
  39                 instance['value'] = elem.text
  40                 attribs.append(instance)
  41         return attribs
  42
  43     @staticmethod
  44     def get_ports(xml, filter=None):
  45         if filter is None:
  46             filter = {}
  47         xpath = './openflow:port | ./port'
  48         port_elems = xml.xpath(xpath)
  49         ports = []
  50         for port_elem in port_elems:
  51             port = Port(port_elem.attrib, port_elem)
  52             # if 'component_id' in xml.attrib:
  53             #    port['component_id'] = xml.attrib['component_id']
  54             #port['tags'] = Ofeliav1Port.get_port_attributes(port_elem)
  55             ports.append(port)
  56         return ports