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https://github.com/virt-manager/virt-manager.git
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419f8cd31b
* Explicitly define the build 'cb', don't use lambda * Rename pollhelpers arguments, clarifying use of cb * Check support status in pollhelpers * Move 'dopoll' checking up a level in vmmConnection Signed-off-by: Cole Robinson <crobinso@redhat.com>
80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
#
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# Copyright (C) 2013 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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#
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from .logger import log
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def _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb):
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"""
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Helper for new style listAll* APIs
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"""
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current = {}
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new = {}
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objs = []
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try:
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if support_cb():
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objs = list_cb()
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except Exception as e:
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log.debug("Unable to list all %ss: %s", typename, e)
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for obj in objs:
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connkey = obj.name()
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if connkey not in origmap:
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# Object is brand new this period
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current[connkey] = build_cb(obj, connkey)
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new[connkey] = current[connkey]
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else:
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# Previously known object
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current[connkey] = origmap[connkey]
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del(origmap[connkey])
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return (list(origmap.values()), list(new.values()), list(current.values()))
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def fetch_nets(backend, origmap, build_cb):
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name = "network"
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list_cb = backend.listAllNetworks
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support_cb = backend.support.conn_network
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return _new_poll_helper(origmap, name, list_cb, build_cb, support_cb)
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def fetch_pools(backend, origmap, build_cb):
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name = "pool"
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list_cb = backend.listAllStoragePools
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support_cb = backend.support.conn_storage
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return _new_poll_helper(origmap, name, list_cb, build_cb, support_cb)
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def fetch_volumes(backend, pool, origmap, build_cb):
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name = "volume"
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list_cb = pool.listAllVolumes
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support_cb = backend.support.conn_storage
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return _new_poll_helper(origmap, name, list_cb, build_cb, support_cb)
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def fetch_interfaces(backend, origmap, build_cb):
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name = "interface"
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list_cb = backend.listAllInterfaces
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support_cb = backend.support.conn_interface
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return _new_poll_helper(origmap, name, list_cb, build_cb, support_cb)
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def fetch_nodedevs(backend, origmap, build_cb):
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name = "nodedev"
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list_cb = backend.listAllDevices
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support_cb = backend.support.conn_nodedev
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return _new_poll_helper(origmap, name, list_cb, build_cb, support_cb)
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def fetch_vms(backend, origmap, build_cb):
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name = "domain"
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list_cb = backend.listAllDomains
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support_cb = backend.support.conn_domain
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return _new_poll_helper(origmap, name, list_cb, build_cb, support_cb)
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