Merge common/ and selfdrive/common (#24556)

* Merge common/ and selfdrive/common

* fix that

* fix version

* fix unit tests
old-commit-hash: cb8885cffb313bea258c012c3026461a22bf8135

common/params.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <map>
+#include <string>
+
+enum ParamKeyType {
+  PERSISTENT = 0x02,
+  CLEAR_ON_MANAGER_START = 0x04,
+  CLEAR_ON_IGNITION_ON = 0x08,
+  CLEAR_ON_IGNITION_OFF = 0x10,
+  DONT_LOG = 0x20,
+  ALL = 0xFFFFFFFF
+};
+
+class Params {
+public:
+  Params(const std::string &path = {});
+  bool checkKey(const std::string &key);
+  ParamKeyType getKeyType(const std::string &key);
+  inline std::string getParamPath(const std::string &key = {}) {
+    return params_path + prefix + (key.empty() ? "" : "/" + key);
+  }
+
+  // Delete a value
+  int remove(const std::string &key);
+  void clearAll(ParamKeyType type);
+
+  // helpers for reading values
+  std::string get(const std::string &key, bool block = false);
+  inline bool getBool(const std::string &key) {
+    return get(key) == "1";
+  }
+  std::map<std::string, std::string> readAll();
+
+  // helpers for writing values
+  int put(const char *key, const char *val, size_t value_size);
+  inline int put(const std::string &key, const std::string &val) {
+    return put(key.c_str(), val.data(), val.size());
+  }
+  inline int putBool(const std::string &key, bool val) {
+    return put(key.c_str(), val ? "1" : "0", 1);
+  }
+
+private:
+  std::string params_path;
+  std::string prefix;
+};