Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/xbmc/filesystem/FileCache.h b/xbmc/filesystem/FileCache.h
new file mode 100644
index 0000000..df7c839
--- /dev/null
+++ b/xbmc/filesystem/FileCache.h
@@ -0,0 +1,79 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "CacheStrategy.h"
+#include "File.h"
+#include "IFile.h"
+#include "threads/CriticalSection.h"
+#include "threads/Thread.h"
+
+#include <atomic>
+#include <memory>
+
+namespace XFILE
+{
+
+  class CFileCache : public IFile, public CThread
+  {
+  public:
+    explicit CFileCache(const unsigned int flags);
+    ~CFileCache() override;
+
+    // CThread methods
+    void Process() override;
+    void OnExit() override;
+    void StopThread(bool bWait = true) override;
+
+    // IFIle methods
+    bool Open(const CURL& url) override;
+    void Close() override;
+    bool Exists(const CURL& url) override;
+    int Stat(const CURL& url, struct __stat64* buffer) override;
+
+    ssize_t Read(void* lpBuf, size_t uiBufSize) override;
+
+    int64_t Seek(int64_t iFilePosition, int iWhence) override;
+    int64_t GetPosition() override;
+    int64_t GetLength() override;
+
+    int IoControl(EIoControl request, void* param) override;
+
+    IFile *GetFileImp();
+
+    const std::string GetProperty(XFILE::FileProperty type, const std::string &name = "") const override;
+
+    const std::vector<std::string> GetPropertyValues(XFILE::FileProperty type, const std::string& name = "") const override
+    {
+      return std::vector<std::string>();
+    }
+
+  private:
+    std::unique_ptr<CCacheStrategy> m_pCache;
+    int m_seekPossible;
+    CFile m_source;
+    std::string m_sourcePath;
+    CEvent m_seekEvent;
+    CEvent m_seekEnded;
+    int64_t m_nSeekResult;
+    int64_t m_seekPos;
+    int64_t m_readPos;
+    int64_t m_writePos;
+    unsigned m_chunkSize;
+    uint32_t m_writeRate;
+    uint32_t m_writeRateActual;
+    uint32_t m_writeRateLowSpeed;
+    int64_t m_forwardCacheSize;
+    bool m_bFilling;
+    std::atomic<int64_t> m_fileSize;
+    unsigned int m_flags;
+    CCriticalSection m_sync;
+  };
+
+}