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libvirt/scripts/check-drivername.py
Nikolay Shirokovskiy c5bf40bfa6 libvirt: add stateShutdownPrepare/stateShutdownWait to drivers
stateShutdownPrepare is supposed to inform driver that it will be closed soon
so that the driver can prepare and finish all background threads quickly on
stateShutdownWait call.

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2020-09-07 09:33:58 +03:00

114 lines
3.9 KiB
Python

#!/usr/bin/env python3
#
# Copyright (C) 2013-2019 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
#
import re
import sys
drvfiles = []
symfiles = []
for arg in sys.argv:
if arg.endswith(".h"):
drvfiles.append(arg)
else:
symfiles.append(arg)
symbols = {}
for symfile in symfiles:
with open(symfile, "r") as fh:
for line in fh:
m = re.search(r'''^\s*(vir\w+)\s*;\s*$''', line)
if m is not None:
symbols[m.group(1)] = True
status = 0
for drvfile in drvfiles:
with open(drvfile, "r") as fh:
for line in fh:
m = re.search(r'''\*(virDrv\w+)\s*\)''', line)
if m is not None:
drv = m.group(1)
skip = [
"virDrvStateInitialize",
"virDrvStateCleanup",
"virDrvStateReload",
"virDrvStateStop",
"virDrvStateShutdownPrepare",
"virDrvStateShutdownWait",
"virDrvConnectSupportsFeature",
"virDrvConnectURIProbe",
"virDrvDomainMigratePrepare",
"virDrvDomainMigratePrepare2",
"virDrvDomainMigratePrepare3",
"virDrvDomainMigratePrepare3Params",
"virDrvDomainMigratePrepareTunnel",
"virDrvDomainMigratePrepareTunnelParams",
"virDrvDomainMigratePrepareTunnel3",
"virDrvDomainMigratePrepareTunnel3Params",
"virDrvDomainMigratePerform",
"virDrvDomainMigratePerform3",
"virDrvDomainMigratePerform3Params",
"virDrvDomainMigrateConfirm",
"virDrvDomainMigrateConfirm3",
"virDrvDomainMigrateConfirm3Params",
"virDrvDomainMigrateBegin",
"virDrvDomainMigrateBegin3",
"virDrvDomainMigrateBegin3Params",
"virDrvDomainMigrateFinish",
"virDrvDomainMigrateFinish2",
"virDrvDomainMigrateFinish3",
"virDrvDomainMigrateFinish3Params",
"virDrvStreamInData",
]
if drv in skip:
continue
sym = drv.replace("virDrv", "vir")
if sym not in symbols:
print("Driver method name %s doesn't match public API" %
drv)
status = 1
continue
m = re.search(r'''(\*vir\w+)\s*\)''', line)
if m is not None:
name = m.group(1)
print("Bogus name %s" % name)
status = 1
continue
m = re.search(r'''^\s*(virDrv\w+)\s+(\w+);\s*''', line)
if m is not None:
drv = m.group(1)
field = m.group(2)
tmp = drv.replace("virDrv", "")
if tmp.startswith("NWFilter"):
tmp = "nwfilter" + tmp[8:]
tmp = tmp[0:1].lower() + tmp[1:]
if tmp != field:
print("Driver struct field %s should be named %s" %
(field, tmp))
status = 1
sys.exit(status)