java框架与物联网边缘计算的结合

import io.vertx.core.AbstractVerticle;
import io.vertx.core.Vertx;
import io.vertx.core.VertxOptions;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpServer;
import io.vertx.core.http.HttpServerOptions;
import io.vertx.core.net.NetSocket;

public class EdgeGateway extends AbstractVerticle {

  private static final int EDGE_PORT = 8080;
  private static final int CLOUD_PORT = 9090;

  @Override
  public void start() {
    // 配置 Vert.x 选项，限制线程数量以适应嵌入式设备
    VertxOptions options = new VertxOptions().setMaxEventLoopExecuteTime(1000);
    Vertx vertx = Vertx.vertx(options);

    // 创建 HTTP 服务器作为边缘网关
    HttpServerOptions serverOptions = new HttpServerOptions().setPort(EDGE_PORT);
    HttpServer edgeServer = vertx.createHttpServer(serverOptions);

    // 处理边缘设备连接
    edgeServer.websocketHandler(webSocket -> {
      // 从边缘设备接收数据
      webSocket.handler(buffer -> {
        // 处理接收到的数据（例如，预处理、过滤）
        // ...

        // 将数据转发到云端服务器
        vertx.createNetClient().connect(CLOUD_PORT, "cloud.example.com",
            res -> {
              if (res.succeeded()) {
                NetSocket cloudSocket = res.result();
                cloudSocket.write(buffer);
              }
            });
      });
    });

    vertx.deployVerticle(this);
  }
}