func validate(cli storage.BlobStorageClient, blob string, startByte, endByte int64, data []byte) error {
url := cli.GetBlobURL(cnt, blob)
reader, err := cli.GetBlob(cnt, blob)
if err != nil {
return fmt.Errorf("Failed to read from %s: %s\n", url, err.Error())
}
defer reader.Close()
dataRead, err := ioutil.ReadAll(reader)
if err != nil {
return fmt.Errorf("Failed to read from %s: %s\n", url, err.Error())
}
same := true
for i := startByte; i <= endByte; i++ {
if data[i] != dataRead[i] {
same = false
}
}
if !same {
return fmt.Errorf("Failed to read data properly from %s: %s\n", url, err.Error())
}
return nil
}
func clearPage(cli storage.BlobStorageClient, name string, startByte, endByte int64) error {
if err := cli.PutPage(cnt, name, startByte, endByte, storage.PageWriteTypeClear, nil); err != nil {
url := cli.GetBlobURL(cnt, name)
fmt.Printf("Failed to clear pages of %s: %s\n", url, err.Error())
return err
}
return nil
}
func writePage(cli storage.BlobStorageClient, name string, startByte, endByte int64, chunk []byte) error {
if err := cli.PutPage(cnt, name, startByte, endByte, storage.PageWriteTypeUpdate, chunk); err != nil {
url := cli.GetBlobURL(cnt, name)
fmt.Printf("Failed to write pages to %s: %s\n", url, err.Error())
return err
}
return nil
}