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89 lines
2.2 KiB
89 lines
2.2 KiB
#pragma once
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#include <future>
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#include <map>
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#include <string>
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#include <tuple>
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#include <utility>
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#include <vector>
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#include "common/queue.h"
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enum ParamKeyFlag {
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PERSISTENT = 0x02,
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CLEAR_ON_MANAGER_START = 0x04,
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CLEAR_ON_ONROAD_TRANSITION = 0x08,
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CLEAR_ON_OFFROAD_TRANSITION = 0x10,
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DONT_LOG = 0x20,
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DEVELOPMENT_ONLY = 0x40,
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CLEAR_ON_IGNITION_ON = 0x80,
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ALL = 0xFFFFFFFF
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};
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enum ParamKeyType {
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STRING = 0, // must be utf-8 decodable
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BOOL = 1,
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INT = 2,
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FLOAT = 3,
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TIME = 4, // ISO 8601
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JSON = 5,
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BYTES = 6
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};
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struct ParamKeyAttributes {
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uint32_t flags;
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ParamKeyType type;
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std::string default_value = "";
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};
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class Params {
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public:
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explicit Params(const std::string &path = {});
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~Params();
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// Not copyable.
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Params(const Params&) = delete;
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Params& operator=(const Params&) = delete;
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std::vector<std::string> allKeys() const;
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bool checkKey(const std::string &key);
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ParamKeyFlag getKeyFlag(const std::string &key);
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ParamKeyType getKeyType(const std::string &key);
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std::string getKeyDefaultValue(const std::string &key);
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inline std::string getParamPath(const std::string &key = {}) {
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return params_path + params_prefix + (key.empty() ? "" : "/" + key);
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}
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// Delete a value
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int remove(const std::string &key);
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void clearAll(ParamKeyFlag flag);
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// helpers for reading values
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std::string get(const std::string &key, bool block = false);
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inline bool getBool(const std::string &key, bool block = false) {
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return get(key, block) == "1";
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}
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std::map<std::string, std::string> readAll();
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// helpers for writing values
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int put(const char *key, const char *val, size_t value_size);
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inline int put(const std::string &key, const std::string &val) {
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return put(key.c_str(), val.data(), val.size());
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}
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inline int putBool(const std::string &key, bool val) {
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return put(key.c_str(), val ? "1" : "0", 1);
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}
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void putNonBlocking(const std::string &key, const std::string &val);
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inline void putBoolNonBlocking(const std::string &key, bool val) {
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putNonBlocking(key, val ? "1" : "0");
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}
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private:
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void asyncWriteThread();
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std::string params_path;
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std::string params_prefix;
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// for nonblocking write
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std::future<void> future;
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SafeQueue<std::pair<std::string, std::string>> queue;
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};
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