86 lines
2.9 KiB
Go
86 lines
2.9 KiB
Go
/*
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Copyright 2022 Zheng Dayu
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package windowsupdate
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import (
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"github.com/go-ole/go-ole"
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"github.com/go-ole/go-ole/oleutil"
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)
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// IDownloadProgress represents the progress of an asynchronous download operation.
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// https://learn.microsoft.com/en-us/windows/win32/api/wuapi/nn-wuapi-idownloadprogress
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type IDownloadProgress struct {
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disp *ole.IDispatch
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CurrentUpdateBytesDownloaded int64
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CurrentUpdateBytesToDownload int64
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CurrentUpdateDownloadPhase int32 // DownloadPhase enum
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CurrentUpdateIndex int32
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CurrentUpdatePercentComplete int32
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PercentComplete int32
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TotalBytesDownloaded int64
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TotalBytesToDownload int64
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}
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func toIDownloadProgress(disp *ole.IDispatch) (*IDownloadProgress, error) {
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if disp == nil {
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return nil, nil
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}
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var err error
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p := &IDownloadProgress{disp: disp}
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if p.CurrentUpdateBytesDownloaded, err = toInt64Err(oleutil.GetProperty(disp, "CurrentUpdateBytesDownloaded")); err != nil {
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return nil, err
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}
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if p.CurrentUpdateBytesToDownload, err = toInt64Err(oleutil.GetProperty(disp, "CurrentUpdateBytesToDownload")); err != nil {
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return nil, err
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}
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if p.CurrentUpdateDownloadPhase, err = toInt32Err(oleutil.GetProperty(disp, "CurrentUpdateDownloadPhase")); err != nil {
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return nil, err
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}
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if p.CurrentUpdateIndex, err = toInt32Err(oleutil.GetProperty(disp, "CurrentUpdateIndex")); err != nil {
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return nil, err
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}
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if p.CurrentUpdatePercentComplete, err = toInt32Err(oleutil.GetProperty(disp, "CurrentUpdatePercentComplete")); err != nil {
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return nil, err
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}
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if p.PercentComplete, err = toInt32Err(oleutil.GetProperty(disp, "PercentComplete")); err != nil {
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return nil, err
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}
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if p.TotalBytesDownloaded, err = toInt64Err(oleutil.GetProperty(disp, "TotalBytesDownloaded")); err != nil {
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return nil, err
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}
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if p.TotalBytesToDownload, err = toInt64Err(oleutil.GetProperty(disp, "TotalBytesToDownload")); err != nil {
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return nil, err
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}
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return p, nil
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}
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// GetUpdateResult returns the result of the download for a specified update.
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// https://learn.microsoft.com/en-us/windows/win32/api/wuapi/nf-wuapi-idownloadprogress-getupdateresult
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func (p *IDownloadProgress) GetUpdateResult(updateIndex int32) (*IUpdateDownloadResult, error) {
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resultDisp, err := toIDispatchErr(oleutil.CallMethod(p.disp, "GetUpdateResult", updateIndex))
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if err != nil {
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return nil, err
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}
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return toIUpdateDownloadResult(resultDisp)
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}
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