mirror of
https://github.com/virt-manager/virt-manager.git
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124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
# coding=utf-8
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#
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# Copyright 2013 Red Hat, Inc.
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# Giuseppe Scrivano <gscrivan@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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from .device import VirtualDevice
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from .xmlbuilder import XMLProperty
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class VirtualRNGDevice(VirtualDevice):
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virtual_device_type = VirtualDevice.VIRTUAL_DEV_RNG
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TYPE_RANDOM = "random"
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TYPE_EGD = "egd"
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TYPES = [TYPE_RANDOM, TYPE_EGD]
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BACKEND_TYPE_UDP = "udp"
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BACKEND_TYPE_TCP = "tcp"
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BACKEND_TYPES = [BACKEND_TYPE_UDP, BACKEND_TYPE_TCP]
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BACKEND_MODE_BIND = "bind"
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BACKEND_MODE_CONNECT = "connect"
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BACKEND_MODES = [BACKEND_MODE_BIND, BACKEND_MODE_CONNECT]
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@staticmethod
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def get_pretty_type(rng_type):
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if rng_type == VirtualRNGDevice.TYPE_RANDOM:
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return _("Random")
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if rng_type == VirtualRNGDevice.TYPE_EGD:
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return _("Entropy Gathering Daemon")
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return rng_type
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@staticmethod
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def get_pretty_backend_type(backend_type):
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return {"udp" : "UDP",
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"tcp": "TCP"}.get(backend_type) or backend_type
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@staticmethod
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def get_pretty_mode(mode):
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return {"bind" : "Bind",
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"connect": "Connect"}.get(mode) or mode
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def supports_property(self, propname):
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"""
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Whether the rng dev type supports the passed property name
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"""
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users = {
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"type" : [self.TYPE_EGD, self.TYPE_RANDOM],
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"model" : [self.TYPE_EGD, self.TYPE_RANDOM],
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"bind_host" : [self.TYPE_EGD],
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"bind_service" : [self.TYPE_EGD],
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"connect_host" : [self.TYPE_EGD],
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"connect_service" : [self.TYPE_EGD],
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"backend_type" : [self.TYPE_EGD],
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"device" : [self.TYPE_RANDOM],
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"rate_bytes" : [self.TYPE_EGD, self.TYPE_RANDOM],
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"rate_period" : [self.TYPE_EGD, self.TYPE_RANDOM],
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}
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if users.get(propname):
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return self.type in users[propname]
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return hasattr(self, propname)
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def backend_mode(self):
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ret = []
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if self._has_mode_bind:
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ret.append(VirtualRNGDevice.BACKEND_MODE_BIND)
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if self._has_mode_connect:
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ret.append(VirtualRNGDevice.BACKEND_MODE_CONNECT)
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return ret
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_XML_PROP_ORDER = ["_has_mode_bind", "_has_mode_connect"]
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_has_mode_connect = XMLProperty("./backend/source[@mode='connect']/@mode")
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def _set_connect_validate(self, val):
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if val:
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self._has_mode_connect = VirtualRNGDevice.BACKEND_MODE_CONNECT
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return val
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_has_mode_bind = XMLProperty("./backend/source[@mode='bind']/@mode")
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def _set_bind_validate(self, val):
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if val:
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self._has_mode_bind = VirtualRNGDevice.BACKEND_MODE_BIND
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return val
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type = XMLProperty(xpath="./backend/@model")
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model = XMLProperty(xpath="./@model",
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default_cb=lambda s: "virtio")
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backend_type = XMLProperty(xpath="./backend/@type")
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bind_host = XMLProperty(xpath="./backend/source[@mode='bind']/@host",
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set_converter=_set_bind_validate)
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bind_service = XMLProperty(xpath="./backend/source[@mode='bind']/@service",
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set_converter=_set_bind_validate)
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connect_host = XMLProperty(xpath="./backend/source[@mode='connect']/@host",
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set_converter=_set_connect_validate)
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connect_service = XMLProperty(set_converter=_set_connect_validate,
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xpath="./backend/source[@mode='connect']/@service")
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rate_bytes = XMLProperty(xpath="./rate/@bytes")
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rate_period = XMLProperty(xpath="./rate/@period")
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device = XMLProperty(xpath="./backend")
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VirtualRNGDevice.register_type()
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