Create PMLL.h

The persistent memory logic loop

Signed-off-by: J. K. Edwards <joed6834@colorado.edu>

PMLL.h

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+#ifndef PMLL_H
+#define PMLL_H
+
+#include <string>
+#include <unordered_map>
+#include <fstream>
+#include <iostream>
+#include <mutex>
+
+class PMLL {
+private:
+    std::unordered_map<std::string, std::string> memory; // Key-value memory store
+    std::string memory_file;                            // File to store persistent memory
+    std::mutex memory_mutex;                            // Thread safety
+
+    void loadMemory();    // Load memory from the file
+    void saveMemory();    // Save memory to the file
+
+public:
+    PMLL(const std::string& file_name);  // Constructor
+    ~PMLL();                             // Destructor
+
+    void addMemory(const std::string& key, const std::string& value); // Add or update memory
+    std::string getMemory(const std::string& key) const;              // Retrieve memory by key
+    void clearMemory();                                               // Clear all memory
+    void displayMemory() const;                                       // Display all memory (debugging)
+};
+
+#endif // PMLL_H