Пример #1
0
def find_device_guest_address(dev):
    """
    Find the guest-visible address of a device.

    With respect to vmxml.device_address(), this function will always and only
    look for the guest address; on the other hand, vmxml.device_address() will
    always report the first address it finds.

    Consider this case:
    <dev>
      <source>
        <address>SRC_ADDR</address>
      </source>
    </dev>

    vmxml.device_address() returns SRC_ADDR
    this function will return None

    Consider this case:
    <dev>
      <address>GST_ADDR</address>
      <source>
        <address>SRC_ADDR</address>
      </source>
    </dev>

    vmxml.device_address() returns GST_ADDR
    this function will return GST_ADDR as well.
    """
    addr = dev.find('./address')
    if addr is None:
        return None
    return vmxml.parse_address_element(addr)
Пример #2
0
Файл: core.py Проект: nirs/vdsm
def find_device_guest_address(dev):
    """
    Find the guest-visible address of a device.

    With respect to vmxml.device_address(), this function will always and only
    look for the guest address; on the other hand, vmxml.device_address() will
    always report the first address it finds.

    Consider this case:
    <dev>
      <source>
        <address>SRC_ADDR</address>
      </source>
    </dev>

    vmxml.device_address() returns SRC_ADDR
    this function will return None

    Consider this case:
    <dev>
      <address>GST_ADDR</address>
      <source>
        <address>SRC_ADDR</address>
      </source>
    </dev>

    vmxml.device_address() returns GST_ADDR
    this function will return GST_ADDR as well.
    """
    addr = dev.find('./address')
    if addr is None:
        return None
    return vmxml.parse_address_element(addr)