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