/indra/llvfs/llvfile.h
C++ Header | 90 lines | 51 code | 14 blank | 25 comment | 0 complexity | 34ab339431c3e91015a60545eb764c8d MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @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