update.

Server/SessionStore.h

@@ -0,0 +1,39 @@
+#ifndef __SESSIONSTORE_H__
+#define __SESSIONSTORE_H__
+
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/steady_timer.hpp>
+#include <shared_mutex>
+
+namespace Older {
+
+struct SessionData {
+    int userId;
+    std::string refreshToken;
+    std::chrono::system_clock::time_point expireTime;
+    std::chrono::system_clock::time_point refreshTime;
+};
+
+class SessionStore {
+public:
+    SessionStore(boost::asio::io_context &ioContext);
+    std::string addSession(int userId, std::chrono::minutes sessionLifetime = std::chrono::minutes{1440}, // 24小时
+                           std::chrono::minutes refreshInterval = std::chrono::minutes{15});
+    void removeSession(const std::string &token);
+    std::pair<bool, std::string> validateAndRefresh(const std::string &token);
+    SessionData at(const std::string &token);
+
+protected:
+    void startCleanupTask();
+    void cleanupExpiredSessions();
+
+private:
+    boost::asio::io_context &m_ioContext;
+    boost::asio::steady_timer m_cleanupTimer;
+    std::shared_mutex m_mutex;
+    std::unordered_map<std::string, SessionData> m_sessions;
+    std::unordered_map<std::string, std::string> m_refreshMap;
+};
+} // namespace Older
+
+#endif // __SESSIONSTORE_H__