proxy2ch/BBS2chProxyKeyManager.h

#pragma once
#include <string>
#include <map>
#include <set>
#include <pthread.h>

class BBS2chProxyKeyManager {
private:
	std::map<std::string, std::string> _keys;
	std::map<std::string, double> _keyIssueTimes;
	std::set<std::string> _expiredKeys;
	pthread_mutex_t _mutex;
	std::string _lastKey;
	std::string _storagePath;
	static const std::string _emptyKey;
public:
	BBS2chProxyKeyManager() {
		pthread_mutex_init(&_mutex, NULL);
	};
	~BBS2chProxyKeyManager() {
		pthread_mutex_destroy(&_mutex);
	};
	const std::string& getKey();
	const std::string& getKey(const std::string &userAgent);
	void setKey(const std::string &key, const std::string &oldKey, const std::string &userAgent, int reason);
	bool isExpired(const std::string &key);
	double secondsToWaitBeforePosting(const std::string &key);
	void setStorage(const char *jsonPath);
	int loadKeys();
private:
	bool saveKeys();
};