52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#ifndef FILE_CACHE_H
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#define FILE_CACHE_H
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#include <string>
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#include <set>
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#include <map>
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#include <chrono>
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#include <mutex>
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class FileCache {
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public:
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std::string wwwroot;
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int cache_invalidation_time;
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//Note: file path should be the url you want to access the file with, inculding lead slash
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//e.g. http://127.0.0.1/a/b/d.jpg -> /a/b/d.jpg
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void wwwroot_register_file(const std::string &file_path);
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void wwwroot_deregister_file(const std::string &file_path);
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bool wwwroot_has_file(const std::string &file_path);
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void wwwroot_refresh_cache();
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void wwwroot_evaluate_dir(const char *path, const bool should_exist = true);
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bool get_cached_body(const std::string &path, std::string *body);
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void set_cached_body(const std::string &path, const std::string &body);
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FileCache(bool singleton = false);
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virtual ~FileCache();
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static FileCache *get_singleton();
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std::set<std::string> registered_files;
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protected:
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struct CacheEntry {
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int64_t timestamp;
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std::string body;
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CacheEntry() {
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timestamp = 0;
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}
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};
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std::mutex cache_mutex;
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std::map<std::string, CacheEntry *> cache_map;
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private:
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static FileCache *_instance;
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};
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#endif |