virt-manager/virtinst/devices/char.py

139 lines
4.4 KiB
Python

#
# Copyright 2009, 2013 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
from .device import Device, DeviceSeclabel
from ..xmlbuilder import XMLBuilder, XMLChildProperty, XMLProperty
from .. import xmlutil
def _set_host_helper(obj, hostparam, portparam, val):
def parse_host(val):
host, ignore, port = (val or "").partition(":")
return host or None, port or None
host, port = parse_host(val)
if port and not host:
host = "127.0.0.1"
xmlutil.set_prop_path(obj, hostparam, host)
if port:
xmlutil.set_prop_path(obj, portparam, port)
class CharSource(XMLBuilder):
XML_NAME = "source"
_XML_PROP_ORDER = ["bind_host", "bind_service",
"mode", "connect_host", "connect_service",
"path", "channel"]
def set_friendly_connect(self, val):
_set_host_helper(self, "connect_host", "connect_service", val)
def set_friendly_bind(self, val):
_set_host_helper(self, "bind_host", "bind_service", val)
def set_friendly_host(self, val):
_set_host_helper(self, "host", "service", val)
seclabels = XMLChildProperty(DeviceSeclabel)
host = XMLProperty("./@host")
service = XMLProperty("./@service", is_int=True)
path = XMLProperty("./@path")
channel = XMLProperty("./@channel")
master = XMLProperty("./@master")
slave = XMLProperty("./@slave")
mode = XMLProperty("./@mode")
# It's weird to track these properties here, since the XML is set on
# the parent, but this is how libvirt does it internally, which means
# everything that shares a charsource has these values too.
protocol = XMLProperty("./../protocol/@type")
log_file = XMLProperty("./../log/@file")
log_append = XMLProperty("./../log/@append", is_onoff=True)
# Convenience source helpers for setting connect/bind host and service
connect_host = XMLProperty("./../source[@mode='connect']/@host")
connect_service = XMLProperty(
"./../source[@mode='connect']/@service", is_int=True)
bind_host = XMLProperty("./../source[@mode='bind']/@host")
bind_service = XMLProperty("./../source[@mode='bind']/@service", is_int=True)
class _DeviceChar(Device):
"""
Base class for all character devices. Shouldn't be instantiated
directly.
"""
TYPE_PTY = "pty"
TYPE_DEV = "dev"
TYPE_STDIO = "stdio"
TYPE_PIPE = "pipe"
TYPE_FILE = "file"
TYPE_VC = "vc"
TYPE_NULL = "null"
TYPE_TCP = "tcp"
TYPE_UDP = "udp"
TYPE_UNIX = "unix"
TYPE_SPICEVMC = "spicevmc"
TYPE_SPICEPORT = "spiceport"
TYPE_NMDM = "nmdm"
CHANNEL_NAME_SPICE = "com.redhat.spice.0"
CHANNEL_NAME_QEMUGA = "org.qemu.guest_agent.0"
CHANNEL_NAME_LIBGUESTFS = "org.libguestfs.channel.0"
CHANNEL_NAME_SPICE_WEBDAV = "org.spice-space.webdav.0"
CHANNEL_NAMES = [CHANNEL_NAME_SPICE,
CHANNEL_NAME_QEMUGA,
CHANNEL_NAME_LIBGUESTFS,
CHANNEL_NAME_SPICE_WEBDAV]
def set_friendly_target(self, val):
_set_host_helper(self, "target_address", "target_port", val)
_XML_PROP_ORDER = ["type", "source",
"target_type", "target_name", "target_state"]
type = XMLProperty("./@type")
source = XMLChildProperty(CharSource, is_single=True)
target_address = XMLProperty("./target/@address")
target_port = XMLProperty("./target/@port", is_int=True)
target_type = XMLProperty("./target/@type")
target_name = XMLProperty("./target/@name")
target_state = XMLProperty("./target/@state")
target_model_name = XMLProperty("./target/model/@name")
##################
# Default config #
##################
def set_defaults(self, _guest):
if (not self.source.mode and
self.type in [self.TYPE_UNIX, self.TYPE_TCP]):
self.source.mode = "bind"
if not self.target_type and self.DEVICE_TYPE == "channel":
self.target_type = "virtio"
if not self.target_name and self.type == self.TYPE_SPICEVMC:
self.target_name = self.CHANNEL_NAME_SPICE
class DeviceConsole(_DeviceChar):
XML_NAME = "console"
class DeviceSerial(_DeviceChar):
XML_NAME = "serial"
class DeviceParallel(_DeviceChar):
XML_NAME = "parallel"
class DeviceChannel(_DeviceChar):
XML_NAME = "channel"