易于使用的 ESP32 IDF webserver C++ 包装类

#include <esp_http_server.h>

/**
 * HTTP server.
 * Works with ESP-IDF library internally.
 *
 * Usage:
 * First call http.StartServer()
 * Then call http.RegisterHandler(...) for all handlers
 */
class HTTPServer {
public:
    HTTPServer(): conf(HTTPD_DEFAULT_CONFIG()) {
    }

    void StartServer() {
        if (httpd_start(&server, &conf) != ESP_OK) {
            ESP_LOGE("HTTP server", "Error starting server!");
        }
    }

    void RegisterHandler(const httpd_uri_t *uri_handler) {
        httpd_register_uri_handler(this->server, uri_handler);
    }

    httpd_handle_t server = nullptr;
    httpd_config_t conf;
};

// Declare server globally
HTTPServer http;

// Example handler
static const httpd_uri_t rebootHandler = {
    .uri       = "/api/reboot",
    .method    = HTTP_GET,
    .handler   = [](httpd_req_t *req) {
        SendStatusOK(req);
        delay(20);
        ESP.restart();
        return ESP_OK;
    }
};

void setup() {
    // TODO setup wifi or Ethernet
    http.StartServer();
    http.RegisterHandler(&myHandler);
}