chylex/Backup-Essentials
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Code

Profiled backup runner and optimized it a bit

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This commit is contained in:
chylex 2015-05-17 19:13:44 +02:00
parent edd560d10e
commit c837025c92
1 changed files with 14 additions and 5 deletions

19
BackupEssentials/Backup/BackupRunner.cs
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@ -139,22 +139,30 @@ namespace BackupEssentials.Backup{
// Generate the IO actions // Generate the IO actions
Profiler.Start("Runner - action gen"); Profiler.Start("Runner - action gen");
List<IOActionEntry> actions = new List<IOActionEntry>(); List<IOActionEntry> actions = new List<IOActionEntry>(srcEntries.Count);
KeyEqualityComparer<string,IOEntry> keyComparer = new KeyEqualityComparer<string,IOEntry>(); KeyEqualityComparer<string,IOEntry> keyComparer = new KeyEqualityComparer<string,IOEntry>();
IEnumerable<KeyValuePair<string,IOEntry>> ioDeleted = dstEntries.Except(srcEntries,keyComparer); IEnumerable<KeyValuePair<string,IOEntry>> ioDeleted = dstEntries.Except(srcEntries,keyComparer);
IEnumerable<KeyValuePair<string,IOEntry>> ioAdded = srcEntries.Except(dstEntries,keyComparer); IEnumerable<KeyValuePair<string,IOEntry>> ioAdded = srcEntries.Except(dstEntries,keyComparer);
IEnumerable<string> ioIntersecting = srcEntries.Keys.Intersect(dstEntries.Keys); IEnumerable<string> ioIntersecting = srcEntries.Keys.Intersect(dstEntries.Keys);
Profiler.Start("Runner - action gen - deleted");
foreach(KeyValuePair<string,IOEntry> deleted in ioDeleted){ foreach(KeyValuePair<string,IOEntry> deleted in ioDeleted){
if (!ignoreRoot && deleted.Key.IndexOf(Path.DirectorySeparatorChar) == -1)continue; // ignore everything in root folder if (!ignoreRoot && deleted.Key.IndexOf(Path.DirectorySeparatorChar) == -1)continue; // ignore everything in root folder
actions.Add(new IOActionEntry(){ Type = deleted.Value.Type, Action = IOAction.Delete, RelativePath = deleted.Key }); actions.Add(new IOActionEntry(){ Type = deleted.Value.Type, Action = IOAction.Delete, RelativePath = deleted.Key });
} }
Profiler.End("Runner - action gen - deleted");
Profiler.Start("Runner - action gen - added");
foreach(KeyValuePair<string,IOEntry> added in ioAdded){ foreach(KeyValuePair<string,IOEntry> added in ioAdded){
actions.Add(new IOActionEntry(){ Type = added.Value.Type, Action = IOAction.Create, RelativePath = added.Key }); actions.Add(new IOActionEntry(){ Type = added.Value.Type, Action = IOAction.Create, RelativePath = added.Key });
} }
Profiler.End("Runner - action gen - added");
Profiler.Start("Runner - action gen - intersecting");
foreach(string intersecting in ioIntersecting){ foreach(string intersecting in ioIntersecting){
IOEntry srcEntry = srcEntries[intersecting]; IOEntry srcEntry = srcEntries[intersecting];
if (srcEntry.Type == IOType.Directory)continue; if (srcEntry.Type == IOType.Directory)continue;
@ -165,11 +173,12 @@ namespace BackupEssentials.Backup{
if (srcFileInfo.Length == dstFileInfo.Length && srcFileInfo.LastWriteTime == dstFileInfo.LastWriteTime)continue; if (srcFileInfo.Length == dstFileInfo.Length && srcFileInfo.LastWriteTime == dstFileInfo.LastWriteTime)continue;
actions.Add(new IOActionEntry(){ Type = IOType.File, Action = IOAction.Replace, RelativePath = intersecting }); actions.Add(new IOActionEntry(){ Type = IOType.File, Action = IOAction.Replace, RelativePath = intersecting });
} }
Profiler.End("Runner - action gen - intersecting");
Profiler.End("Runner - action gen"); Profiler.End("Runner - action gen");
Profiler.Start("Runner - action sort"); Profiler.Start("Runner - action sort");
actions.Sort((entry1, entry2) => { // TODO store dirs and files separately, idiot actions.Sort((entry1, entry2) => {
if (entry1.Type == IOType.Directory && entry2.Type == IOType.File)return -1; if (entry1.Type == IOType.Directory && entry2.Type == IOType.File)return -1;
else if (entry2.Type == IOType.Directory && entry1.Type == IOType.File)return 1; else if (entry2.Type == IOType.Directory && entry1.Type == IOType.File)return 1;
else return 0; else return 0;
@ -297,7 +306,7 @@ namespace BackupEssentials.Backup{
} }
} }
private class IOEntry{ private struct IOEntry{
public IOType Type; public IOType Type;
public string AbsolutePath; public string AbsolutePath;
@ -306,7 +315,7 @@ namespace BackupEssentials.Backup{
} }
} }
private class IOActionEntry{ private struct IOActionEntry{
private string _relativePath; private string _relativePath;
public IOType Type; public IOType Type;