public static Task <IEnumerable <string> > CompressAndSplit
(string filePath, double maxPartSizeMB)
{
if (maxPartSizeMB <= 0)
{
throw new ArgumentOutOfRangeException(nameof(maxPartSizeMB),
maxPartSizeMB, $"“{nameof(maxPartSizeMB)}” must be greater than zero.");
}
var tcs = new TaskCompletionSource <IEnumerable <string> >();
var tmp7z = Path.GetTempFileName();
var zpr = GetUltra7z2Compressor();
zpr.CompressionFinished += (s, e) =>
{
var parts = FileChunker1.Split(tmp7z, Path
.GetTempPath(), maxPartSizeMB);
File.Delete(tmp7z);
tcs.SetResult(parts);
};
zpr.BeginCompressFiles(tmp7z, filePath);
return(tcs.Task);
}
public static async Task <IEnumerable <string> > DecompressFromSplit
(IEnumerable <string> orderedPartsPaths, string outputDir)
{
var oneBigF = Path.GetTempFileName();
FileChunker1.WriteOneBigFile(oneBigF, orderedPartsPaths);
var list = await ExtractArchive(oneBigF, outputDir);
File.Delete(oneBigF);
return(list);
}