Tim Starling
82 linhas
2.7 KiB
C++
82 linhas
2.7 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#ifndef incl_HPHP_FILE_CACHE_H_
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#define incl_HPHP_FILE_CACHE_H_
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#include "hphp/util/base.h"
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Stores file contents in memory. Used by web server for faster static
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* content serving.
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*/
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DECLARE_BOOST_TYPES(FileCache);
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class FileCache {
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public:
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static std::string SourceRoot;
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public:
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FileCache() : m_fd(-1), m_size(0), m_addr(nullptr) {}
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~FileCache();
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/**
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* Archiving data.
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*/
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void write(const char *name, bool addDirectories = true);
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void write(const char *name, const char *fullpath); // name + data
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void save(const char *filename);
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/**
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* Reading data.
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*/
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short getVersion(const char *filename);
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void load(const char *filename, bool onDemandUncompress, short version);
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void loadMmap(const char *filename, short version);
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void adviseOutMemory();
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bool fileExists(const char *name, bool isRelative = true) const;
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bool dirExists(const char *name, bool isRelative = true) const;
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bool exists(const char *name, bool isRelative = true) const;
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char *read(const char *name, int &len, bool &compressed) const;
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int64_t fileSize(const char *name, bool isRelative) const;
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void dump();
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static std::string GetRelativePath(const char *path);
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private:
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struct Buffer {
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int len; // uncompressed len -1: PHP file, -2: directories
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char *data; // uncompressed data
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int clen; // compressed len
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char *cdata; // compressed data
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};
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typedef hphp_hash_map<std::string, Buffer, string_hash> FileMap;
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FileMap m_files;
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int m_fd;
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int m_size;
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void *m_addr;
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void writeDirectories(const char *name);
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};
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///////////////////////////////////////////////////////////////////////////////
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}
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#endif // incl_HPHP_FILE_CACHE_H_
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