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https://github.com/virt-manager/virt-manager.git
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67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
# Copyright (C) 2018 Red Hat, Inc.
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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from virtinst import log
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from .baseclass import vmmGObject
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from .connection import vmmConnection
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class vmmConnectionManager(vmmGObject):
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"""
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Tracks the list of connections, emits conn-added and conn-removed
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"""
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__gsignals__ = {
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"conn-added": (vmmGObject.RUN_FIRST, None, [object]),
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"conn-removed": (vmmGObject.RUN_FIRST, None, [str]),
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}
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@classmethod
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def get_instance(cls, *args, **kwargs):
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if not cls._instance:
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cls._instance = vmmConnectionManager(*args, **kwargs)
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return cls._instance
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def __init__(self):
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vmmGObject.__init__(self)
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self._conns = {}
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# Load URIs from gsettings
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for uri in self.config.get_conn_uris():
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self.add_conn(uri)
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def _cleanup(self):
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for conn in self._conns.values():
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uri = conn.get_uri()
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try:
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conn.close()
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self.emit("conn-removed", uri)
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conn.cleanup()
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except Exception: # pragma: no cover
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log.exception("Error cleaning up conn=%s", uri)
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self._conns = {}
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@property
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def conns(self):
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return self._conns.copy()
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def add_conn(self, uri):
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if uri in self._conns:
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return self._conns[uri] # pragma: no cover
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conn = vmmConnection(uri)
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self._conns[uri] = conn
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self.config.add_conn_uri(uri)
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self.emit("conn-added", conn)
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return conn
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def remove_conn(self, uri):
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if uri not in self._conns:
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return # pragma: no cover
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conn = self._conns.pop(uri)
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self.config.remove_conn_uri(uri)
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self.emit("conn-removed", uri)
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conn.cleanup()
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