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Unified ImageCacheItem

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This commit is contained in:
Clemens 2021-07-02 11:35:20 +02:00
parent e138cb83ab
commit 2709f90cdc
12 changed files with 133 additions and 176 deletions
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72
MapControl/Shared/ImageFileCache.cs
View file

@ -54,53 +54,77 @@ namespace MapControl.Caching
private void CleanRootDirectory()
{
foreach (var dir in new DirectoryInfo(rootDirectory).EnumerateDirectories())
try
{
var deletedFileCount = CleanDirectory(dir);
if (deletedFileCount > 0)
foreach (var dir in new DirectoryInfo(rootDirectory).EnumerateDirectories())
{
Debug.WriteLine("ImageFileCache: Cleaned {0} files in {1}", deletedFileCount, dir);
var deletedFileCount = CleanDirectory(dir);
if (deletedFileCount > 0)
{
Debug.WriteLine("ImageFileCache: Cleaned {0} files in {1}", deletedFileCount, dir);
}
}
}
catch (Exception ex)
{
Debug.WriteLine("ImageFileCache: Failed enumerating directories in {0}: {1}", rootDirectory, ex.Message);
}
}
private static int CleanDirectory(DirectoryInfo directory)
{
var deletedFileCount = 0;
foreach (var dir in directory.EnumerateDirectories())
try
{
deletedFileCount += CleanDirectory(dir);
deletedFileCount += directory.EnumerateDirectories().Sum(dir => CleanDirectory(dir));
}
catch (Exception ex)
{
Debug.WriteLine("ImageFileCache: Failed enumerating directories in {0}: {1}", directory.FullName, ex.Message);
}
foreach (var file in directory.EnumerateFiles())
try
{
try
{
if (ReadExpiration(file) < DateTime.UtcNow)
{
file.Delete();
deletedFileCount++;
}
}
catch (Exception ex)
{
Debug.WriteLine("ImageFileCache: Failed cleaning {0}: {1}", file.FullName, ex.Message);
}
deletedFileCount += directory.EnumerateFiles().Sum(file => CleanFile(file));
}
catch (Exception ex)
{
Debug.WriteLine("ImageFileCache: Failed enumerating files in {0}: {1}", directory.FullName, ex.Message);
}
if (!directory.EnumerateFileSystemInfos().Any())
try
{
try
if (!directory.EnumerateFileSystemInfos().Any())
{
directory.Delete();
}
catch (Exception ex)
}
catch (Exception ex)
{
Debug.WriteLine("ImageFileCache: Failed cleaning {0}: {1}", directory.FullName, ex.Message);
}
return deletedFileCount;
}
private static int CleanFile(FileInfo file)
{
var deletedFileCount = 0;
try
{
if (ReadExpiration(file) < DateTime.UtcNow)
{
Debug.WriteLine("ImageFileCache: Failed cleaning {0}: {1}", directory.FullName, ex.Message);
file.Delete();
deletedFileCount = 1;
}
}
catch (Exception ex)
{
Debug.WriteLine("ImageFileCache: Failed cleaning {0}: {1}", file.FullName, ex.Message);
}
return deletedFileCount;
}

9
MapControl/Shared/TileImageLoader.cs
View file

@ -13,6 +13,15 @@ using System.Threading.Tasks;
namespace MapControl
{
namespace Caching
{
public class ImageCacheItem
{
public byte[] Buffer { get; set; }
public DateTime Expiration { get; set; }
}
}
#if NETFRAMEWORK
static class ConcurrentQueueEx
{