private static void ClearImpl(object param)
{
try
{
string[] cacheEntries = Directory.GetFiles(CacheFolder);
for (int i = 0; i < cacheEntries.Length; ++i)
{
// We need a try-catch block becouse between the Directory.GetFiles call and the File.Delete calls a maintainance job, or other file operations can delelete any file from the cache folder.
// So while there might be some problem with any file, we don't want to abort the whole for loop
try
{
string fileName = System.IO.Path.GetFileName(cacheEntries[i]);
DeleteEntity(GetUriFromFileName(fileName));
}
catch
{ }
}
}
finally
{
SaveLibrary();
InClearThread = false;
}
}
/// <summary>
/// Deletes all files from the cache folder that isn't in the Library.
/// </summary>
private static void DeleteUnusedFiles()
{
#if !UNITY_WEBPLAYER
CheckSetup();
string[] cacheEntries = Directory.GetFiles(CacheFolder);
for (int i = 0; i < cacheEntries.Length; ++i)
{
// We need a try-catch block becouse between the Directory.GetFiles call and the File.Delete calls a maintainance job, or other file operations can delelete any file from the cache folder.
// So while there might be some problem with any file, we don't want to abort the whole for loop
try
{
string fileName = System.IO.Path.GetFileName(cacheEntries[i]);
Uri uri = GetUriFromFileName(fileName);
lock (Library)
if (!Library.ContainsKey(uri))
{
DeleteEntity(uri);
}
}
catch
{}
}
#endif
}
private static void ClearImpl(object param)
{
if (!IsSupported)
{
return;
}
try
{
// GetFiles will return a string array that contains the files in the folder with the full path
string[] cacheEntries = Directory.GetFiles(CacheFolder);
for (int i = 0; i < cacheEntries.Length; ++i)
{
// We need a try-catch block because between the Directory.GetFiles call and the File.Delete calls a maintenance job, or other file operations can delete any file from the cache folder.
// So while there might be some problem with any file, we don't want to abort the whole for loop
try
{
File.Delete(cacheEntries[i]);
}
catch
{ }
}
}
finally
{
UsedIndexes.Clear();
library.Clear();
NextNameIDX = 0x0001;
SaveLibrary();
InClearThread = false;
}
}
/// <summary>
/// Deletes all cache entity. Non blocking.
/// <remarks>Call it only if there no requests currently processed, becouse cache entries can be deleted while a server sends back a 304 result, so there will be no data to read from the cache!</remarks>
/// </summary>
public static void BeginClear()
{
#if !UNITY_WEBPLAYER
if (InClearThread)
{
return;
}
InClearThread = true;
SetupCacheFolder();
#if !NETFX_CORE
ThreadPool.QueueUserWorkItem(new WaitCallback((param) =>
#else
Windows.System.Threading.ThreadPool.RunAsync((param) =>
#endif
{
try
{
string[] cacheEntries = Directory.GetFiles(CacheFolder);
for (int i = 0; i < cacheEntries.Length; ++i)
{
// We need a try-catch block becouse between the Directory.GetFiles call and the File.Delete calls a maintainance job, or other file operations can delelete any file from the cache folder.
// So while there might be some problem with any file, we don't want to abort the whole for loop
try
{
string fileName = System.IO.Path.GetFileName(cacheEntries[i]);
DeleteEntity(GetUriFromFileName(fileName));
}
catch
{}
}
}
finally
{
SaveLibrary();
InClearThread = false;
}
}
#if !NETFX_CORE
)
#endif
);
#endif
}