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/usr/lib/python3/dist-packages/os_win/utils/winapi/libs/clusapi.py is in python3-os-win 3.0.0-0ubuntu1.

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# Copyright 2017 Cloudbase Solutions Srl
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import ctypes

from os_win.utils.winapi import wintypes

lib_handle = None


class NOTIFY_FILTER_AND_TYPE(ctypes.Structure):
    _fields_ = [
        ('dwObjectType', wintypes.DWORD),
        ('FilterFlags', wintypes.LONGLONG)
    ]


PNOTIFY_FILTER_AND_TYPE = ctypes.POINTER(NOTIFY_FILTER_AND_TYPE)


def register():
    global lib_handle
    lib_handle = ctypes.windll.clusapi

    lib_handle.CancelClusterGroupOperation.argtypes = [
        wintypes.HANDLE,
        wintypes.DWORD
    ]
    lib_handle.CancelClusterGroupOperation.restype = wintypes.DWORD

    lib_handle.CloseCluster.argtypes = [wintypes.HANDLE]
    lib_handle.CloseCluster.restype = wintypes.BOOL

    lib_handle.CloseClusterGroup.argtypes = [wintypes.HANDLE]
    lib_handle.CloseClusterGroup.restype = wintypes.BOOL

    lib_handle.CloseClusterNode.argtypes = [wintypes.HANDLE]
    lib_handle.CloseClusterNode.restype = wintypes.BOOL

    lib_handle.CloseClusterNotifyPort.argtypes = [wintypes.HANDLE]
    lib_handle.CloseClusterNotifyPort.restype = wintypes.BOOL

    lib_handle.ClusterGroupControl.argtypes = [
        wintypes.HANDLE,
        wintypes.HANDLE,
        wintypes.DWORD,
        wintypes.LPVOID,
        wintypes.DWORD,
        wintypes.LPVOID,
        wintypes.DWORD,
        wintypes.LPVOID
    ]
    lib_handle.ClusterGroupControl.restype = wintypes.DWORD

    lib_handle.GetClusterGroupState.argtypes = [
        wintypes.HANDLE,
        wintypes.LPWSTR,
        wintypes.PDWORD
    ]
    lib_handle.GetClusterGroupState.restype = wintypes.DWORD

    lib_handle.CreateClusterNotifyPortV2.argtypes = [
        wintypes.HANDLE,
        wintypes.HANDLE,
        PNOTIFY_FILTER_AND_TYPE,
        wintypes.DWORD,
        wintypes.PDWORD
    ]
    lib_handle.CreateClusterNotifyPortV2.restype = wintypes.HANDLE

    lib_handle.GetClusterNotifyV2.argtypes = [
        wintypes.HANDLE,
        ctypes.POINTER(wintypes.PDWORD),
        PNOTIFY_FILTER_AND_TYPE,
        wintypes.PBYTE,
        wintypes.LPDWORD,
        wintypes.LPWSTR,
        wintypes.LPDWORD,
        wintypes.LPWSTR,
        wintypes.LPDWORD,
        wintypes.LPWSTR,
        wintypes.LPDWORD,
        wintypes.LPWSTR,
        wintypes.LPDWORD,
        wintypes.DWORD
    ]
    lib_handle.GetClusterNotifyV2.restype = wintypes.DWORD

    lib_handle.MoveClusterGroupEx.argtypes = [
        wintypes.HANDLE,
        wintypes.HANDLE,
        wintypes.DWORD,
        wintypes.PVOID,
        wintypes.DWORD
    ]
    lib_handle.MoveClusterGroupEx.restype = wintypes.DWORD

    lib_handle.OpenCluster.argtypes = [wintypes.LPCWSTR]
    lib_handle.OpenCluster.restype = wintypes.HANDLE

    lib_handle.OpenClusterGroup.argtypes = [
        wintypes.HANDLE,
        wintypes.LPCWSTR
    ]
    lib_handle.OpenClusterGroup.restype = wintypes.HANDLE

    lib_handle.OpenClusterNode.argtypes = [
        wintypes.HANDLE,
        wintypes.LPCWSTR
    ]
    lib_handle.OpenClusterNode.restype = wintypes.HANDLE