diff options
Diffstat (limited to 'indra/llvfs/llvfile.h')
-rw-r--r-- | indra/llvfs/llvfile.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/indra/llvfs/llvfile.h b/indra/llvfs/llvfile.h new file mode 100644 index 0000000000..7e9d9f73e5 --- /dev/null +++ b/indra/llvfs/llvfile.h @@ -0,0 +1,90 @@ +/** + * @file llvfile.h + * @brief Definition of virtual file + * + * $LicenseInfo:firstyear=2002&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LL_LLVFILE_H +#define LL_LLVFILE_H + +#include "lluuid.h" +#include "llassettype.h" +#include "llvfs.h" +#include "llvfsthread.h" + +class LLVFile +{ +public: + LLVFile(LLVFS *vfs, const LLUUID &file_id, const LLAssetType::EType file_type, S32 mode = LLVFile::READ); + ~LLVFile(); + + BOOL read(U8 *buffer, S32 bytes, BOOL async = FALSE, F32 priority = 128.f); /* Flawfinder: ignore */ + static U8* readFile(LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type, S32* bytes_read = 0); + void setReadPriority(const F32 priority); + BOOL isReadComplete(); + S32 getLastBytesRead(); + BOOL eof(); + + BOOL write(const U8 *buffer, S32 bytes); + static BOOL writeFile(const U8 *buffer, S32 bytes, LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type); + BOOL seek(S32 offset, S32 origin = -1); + S32 tell() const; + + S32 getSize(); + S32 getMaxSize(); + BOOL setMaxSize(S32 size); + BOOL rename(const LLUUID &new_id, const LLAssetType::EType new_type); + BOOL remove(); + + bool isLocked(EVFSLock lock); + void waitForLock(EVFSLock lock); + + static void initClass(LLVFSThread* vfsthread = NULL); + static void cleanupClass(); + static LLVFSThread* getVFSThread() { return sVFSThread; } + +protected: + static LLVFSThread* sVFSThread; + static BOOL sAllocdVFSThread; + U32 threadPri() { return LLVFSThread::PRIORITY_NORMAL + llmin((U32)mPriority,(U32)0xfff); } + +public: + static const S32 READ; + static const S32 WRITE; + static const S32 READ_WRITE; + static const S32 APPEND; + +protected: + LLAssetType::EType mFileType; + + LLUUID mFileID; + S32 mPosition; + S32 mMode; + LLVFS *mVFS; + F32 mPriority; + + S32 mBytesRead; + LLVFSThread::handle_t mHandle; +}; + +#endif |