ClientConfig API 详解

namespace croupier::sdk {

struct ClientConfig {
    // 基础连接配置
    std::string agent_addr = "127.0.0.1:19090";
    std::string game_id;
    std::string env = "development";
    std::string service_id = "cpp-service";

    // 超时配置
    int timeout_seconds = 30;

    // TLS 配置
    bool insecure = true;
    struct Security {
        std::string cert_file;
        std::string key_file;
        std::string ca_file;
        std::string server_name;
    } security;

    // 重连配置
    bool auto_reconnect = true;
    int reconnect_interval_seconds = 5;
    int reconnect_max_attempts = 0;  // 0 = 无限重试

    // 认证配置
    struct Auth {
        std::string token;
        std::map<std::string, std::string> headers;
    } auth;
};

} // namespace croupier::sdk

config.agent_addr = "127.0.0.1:19090";           // 本地 Agent
config.agent_addr = "croupier-agent:19090";      // Kubernetes 服务
config.agent_addr = "10.0.0.5:19090";            // IP 地址

config.game_id = "my-mmorpg";
config.game_id = "production-game-2024";

config.env = "development";  // 开发环境
config.env = "staging";      // 预发布环境
config.env = "production";   // 生产环境

config.service_id = "game-server-01";
config.service_id = "backend-service-" + std::to_string(GetProcessID());

config.timeout_seconds = 30;   // 默认 30 秒
config.timeout_seconds = 60;   // 1 分钟
config.timeout_seconds = 300;  // 5 分钟（长操作）

config.insecure = true;   // 开发环境：跳过验证
config.insecure = false;  // 生产环境：启用 TLS

config.security.cert_file = "/etc/tls/client.crt";
config.security.cert_file = "./certs/client-cert.pem";

config.security.key_file = "/etc/tls/client.key";
config.security.key_file = "./certs/client-key.pem";

config.security.ca_file = "/etc/tls/ca.crt";
config.security.ca_file = "./certs/ca-bundle.crt";

config.security.server_name = "croupier.internal";
config.security.server_name = "agent.production.com";

config.auto_reconnect = true;   // 连接断开时自动重连
config.auto_reconnect = false;  // 连接断开时退出

config.reconnect_interval_seconds = 5;   // 每 5 秒重试一次
config.reconnect_interval_seconds = 30;  // 每 30 秒重试一次

config.reconnect_max_attempts = 0;    // 无限重试
config.reconnect_max_attempts = 10;   // 最多尝试 10 次
config.reconnect_max_attempts = -1;   // 不重连

config.auth.token = "Bearer eyJhbGciOiJIUzI1NiIs...";

config.auth.headers = {
    {"X-Game-Version", "0.1.0"},
    {"X-Service-Region", "us-west-2"},
    {"X-Cluster", "production-01"}
};

#include "croupier/sdk/config/client_config_loader.h"

ClientConfigLoader loader;
ClientConfig config = loader.LoadFromFile("./config.json");

ClientConfig config = loader.LoadWithEnvironmentOverrides(
    "./config.json",
    "CROUPIER_"  // 环境变量前缀
);

// 环境变量:
// CROUPIER_GAME_ID=override-game
// CROUPIER_ENV=staging
// CROUPIER_AGENT_ADDR=10.0.0.5:19090

ClientConfigLoader loader;
auto errors = loader.ValidateConfig(config);

if (!errors.empty()) {
    for (const auto& error : errors) {
        std::cerr << "配置错误: " << error << std::endl;
    }
    return 1;
}