internal async Task <bool> HasExtractError(ZipFileSettings zipSettings)
{
long total = 0;
var sumBlock = new ActionBlock <IArchiveEntry>(async e =>
await Task.Run(() => total += e.Size), new ExecutionDataflowBlockOptions()
{
MaxDegreeOfParallelism = DataflowBlockOptions.Unbounded
});
var extractTasks = new List <Task>();
foreach (var imageSource in zipSettings.ImageSources)
{
if (imageSource.SourceKind.Value != ImageSourceType.File)
{
continue;
}
extractTasks.Add(Task.Run(() =>
{
using (var archive = ArchiveFactory.Open(imageSource.Path.Value))
{
imageSource.ArchiveEntryTotalCount = archive.Entries.Where(e => !e.IsDirectory).Count();
foreach (var entry in archive.Entries)
{
if (SourceItem.IsTargetFile(entry))
{
imageSource.ArchiveEntryTargetCount++;
sumBlock.Post(entry);
}
}
}
}));
}
await Task.WhenAll(extractTasks);
sumBlock.Complete();
await sumBlock.Completion;
var freeSpace = zipSettings.GetExtractPathFreeSpace();
return(total < freeSpace);
}
internal bool HasExtractError(ZipFileSettings zipSettings)
{
long totalSize = 0;
var watch = Stopwatch.StartNew();
Parallel.ForEach <ImageSource>(zipSettings.ImageSources, src =>
{
Debug.WriteLine($"容量取得：{src.Path.Value}");
using (var archive = ArchiveFactory.Open(src.Path.Value))
{
src.ArchiveEntryTotalCount = archive.Entries.Where(e => !e.IsDirectory).Count();
var entries = archive.Entries.Where(e => SourceItem.IsTargetFile(e));
src.ArchiveEntryTargetCount = entries.Count();
Parallel.ForEach <IArchiveEntry, long>
(
entries,
() => 0,
(entry, state, local) =>
{
local += entry.Size;
//Debug.WriteLine($"容量取得(entry)：{entry.Key}");
return(local);
},
local => Interlocked.Add(ref totalSize, local)
);
}
});
var freeSpace = zipSettings.GetExtractPathFreeSpace();
watch.Stop();
// 圧縮ファイル内トータルサイズ取得：215[ms]
// 圧縮ファイル内トータルサイズ取得(Debug.WriteLineあり)：6828[ms]
// 圧縮ファイル内トータルサイズ取得(Debug.WriteLineなし)：221[ms]
return(totalSize < freeSpace);
}
