feat: 新增 C++ 和 Rust 客户端 SDK 及 Docker 构建支持

- 新增 kenaito-conf-cpp-client / kenaito-conf-rust-client 及对应 demo - 新增 Dockerfile.cpp / Dockerfile.rust - README 目录结构补充 C++/Rust 客户端 - README_DOCKERFILE 补充 Windows docker run 命令，新增 C++/Rust 段落
2026-08-11 21:14:04 +08:00
parent 436971d154
commit f63bcfa78b
19 changed files with 26281 additions and 12 deletions
@@ -0,0 +1,77 @@
+#pragma once
+
+#include <string>
+#include <map>
+#include <vector>
+#include <functional>
+#include <mutex>
+#include <atomic>
+#include <thread>
+#include <chrono>
+
+namespace kenaito {
+
+struct Config {
+    std::string base_url = "http://localhost:8080";
+    std::string app_name;
+    std::string env = "dev";
+    std::string version = "latest";
+    std::string token;
+    int sync_interval = 60;
+    bool ignore_global = false;
+    std::string cache_dir = ".";
+};
+
+using ChangeHandler = std::function<void(const std::map<std::string, std::string>&)>;
+
+class Cache {
+public:
+    explicit Cache(const std::string& dir);
+    bool write(const std::string& json_str);
+    std::string read();
+
+private:
+    std::string dir_;
+    static const std::string CACHE_FILE;
+};
+
+class Listener {
+public:
+    void on_change(ChangeHandler handler);
+    void notify(const std::map<std::string, std::string>& changed);
+
+private:
+    std::mutex mu_;
+    std::vector<ChangeHandler> handlers_;
+};
+
+class Client {
+public:
+    explicit Client(const Config& config);
+    ~Client();
+
+    void on_change(ChangeHandler handler);
+    std::string get(const std::string& key);
+    std::map<std::string, std::string> get_all();
+    bool start();
+    void stop();
+    void sync_once();
+
+private:
+    bool fetch_all();
+    bool fetch_changed();
+    void apply_configs(const std::map<std::string, std::string>& data);
+    std::string http_post(const std::string& url, const std::string& body);
+
+    Config config_;
+    Cache cache_;
+    Listener listener_;
+    std::map<std::string, std::string> configs_;
+    int64_t last_time_ = 0;
+    std::mutex mu_;
+    std::atomic<bool> started_{false};
+    std::atomic<bool> stop_flag_{false};
+    std::thread sync_thread_;
+};
+
+} // namespace kenaito