package cn.iocoder.yudao.module.iot.gateway.protocol.tcp;
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import cn.hutool.core.map.MapUtil;
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import cn.iocoder.yudao.module.iot.core.biz.dto.IotDeviceAuthReqDTO;
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import cn.iocoder.yudao.module.iot.core.enums.IotDeviceMessageMethodEnum;
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import cn.iocoder.yudao.module.iot.core.mq.message.IotDeviceMessage;
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import cn.iocoder.yudao.module.iot.core.topic.event.IotDeviceEventPostReqDTO;
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import cn.iocoder.yudao.module.iot.core.topic.property.IotDevicePropertyPostReqDTO;
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import cn.iocoder.yudao.module.iot.core.util.IotDeviceAuthUtils;
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import cn.iocoder.yudao.module.iot.gateway.protocol.tcp.codec.IotTcpCodecTypeEnum;
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import cn.iocoder.yudao.module.iot.gateway.protocol.tcp.codec.IotTcpFrameCodec;
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import cn.iocoder.yudao.module.iot.gateway.protocol.tcp.codec.IotTcpFrameCodecFactory;
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import cn.iocoder.yudao.module.iot.gateway.serialize.IotMessageSerializer;
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import cn.iocoder.yudao.module.iot.gateway.serialize.json.IotJsonSerializer;
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import io.vertx.core.Vertx;
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import io.vertx.core.buffer.Buffer;
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import io.vertx.core.net.NetClient;
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import io.vertx.core.net.NetClientOptions;
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import io.vertx.core.net.NetSocket;
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import io.vertx.core.parsetools.RecordParser;
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import lombok.extern.slf4j.Slf4j;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Disabled;
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import org.junit.jupiter.api.Test;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.TimeUnit;
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/**
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* IoT 网关子设备 TCP 协议集成测试（手动测试）
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*
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* <p>测试场景：子设备（IotProductDeviceTypeEnum 的 SUB 类型）通过网关设备代理上报数据
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*
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* <p><b>重要说明：子设备无法直接连接平台，所有请求均由网关设备（Gateway）代为转发。</b>
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*
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* <p>使用步骤：
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* <ol>
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* <li>启动 yudao-module-iot-gateway 服务（TCP 端口 8091）</li>
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* <li>确保子设备已通过 {@link IotGatewayDeviceTcpProtocolIntegrationTest#testTopoAdd()} 绑定到网关</li>
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* <li>运行以下测试方法：
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* <ul>
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* <li>{@link #testAuth()} - 子设备认证</li>
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* <li>{@link #testPropertyPost()} - 子设备属性上报（由网关代理转发）</li>
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* <li>{@link #testEventPost()} - 子设备事件上报（由网关代理转发）</li>
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* </ul>
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* </li>
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* </ol>
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*
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* <p>注意：TCP 协议是有状态的长连接，认证成功后同一连接上的后续请求无需再携带认证信息
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*
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* @author 芋道源码
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*/
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@Slf4j
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@Disabled
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public class IotGatewaySubDeviceTcpProtocolIntegrationTest {
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private static final String SERVER_HOST = "127.0.0.1";
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private static final int SERVER_PORT = 8091;
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private static final int TIMEOUT_MS = 5000;
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private static Vertx vertx;
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private static NetClient netClient;
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// ===================== 编解码器 =====================
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/**
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* 消息序列化器
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*/
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private static final IotMessageSerializer SERIALIZER = new IotJsonSerializer();
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/**
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* TCP 帧编解码器
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*/
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private static final IotTcpFrameCodec FRAME_CODEC = IotTcpFrameCodecFactory.create(
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new IotTcpConfig.CodecConfig()
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.setType(IotTcpCodecTypeEnum.DELIMITER.getType())
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.setDelimiter("\\n")
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// .setType(IotTcpCodecTypeEnum.LENGTH_FIELD.getType())
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// .setLengthFieldOffset(0)
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// .setLengthFieldLength(4)
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// .setLengthAdjustment(0)
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// .setInitialBytesToStrip(4)
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// .setType(IotTcpCodecTypeEnum.LENGTH_FIELD.getType())
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// .setFixedLength(256)
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);
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// ===================== 网关子设备信息（根据实际情况修改，从 iot_device 表查询子设备） =====================
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private static final String PRODUCT_KEY = "jAufEMTF1W6wnPhn";
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private static final String DEVICE_NAME = "chazuo-it";
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private static final String DEVICE_SECRET = "d46ef9b28ab14238b9c00a3a668032af";
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@BeforeAll
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static void setUp() {
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vertx = Vertx.vertx();
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NetClientOptions options = new NetClientOptions()
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.setConnectTimeout(TIMEOUT_MS)
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.setIdleTimeout(TIMEOUT_MS);
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netClient = vertx.createNetClient(options);
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}
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@AfterAll
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static void tearDown() {
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if (netClient != null) {
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netClient.close();
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}
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if (vertx != null) {
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vertx.close();
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}
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}
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// ===================== 认证测试 =====================
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/**
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* 子设备认证测试：获取子设备 Token
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*/
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@Test
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public void testAuth() throws Exception {
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// 1. 构建认证消息
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IotDeviceAuthReqDTO authInfo = IotDeviceAuthUtils.getAuthInfo(PRODUCT_KEY, DEVICE_NAME, DEVICE_SECRET);
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IotDeviceAuthReqDTO authReqDTO = new IotDeviceAuthReqDTO()
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.setClientId(authInfo.getClientId())
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.setUsername(authInfo.getUsername())
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.setPassword(authInfo.getPassword());
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IotDeviceMessage request = IotDeviceMessage.requestOf("auth", authReqDTO);
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// 2. 发送并接收响应
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NetSocket socket = connect().get(TIMEOUT_MS, TimeUnit.MILLISECONDS);
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try {
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IotDeviceMessage response = sendAndReceive(socket, request);
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log.info("[testAuth][响应消息: {}]", response);
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} finally {
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socket.close();
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}
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}
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// ===================== 子设备属性上报测试 =====================
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/**
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* 子设备属性上报测试
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*/
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@Test
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public void testPropertyPost() throws Exception {
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NetSocket socket = connect().get(TIMEOUT_MS, TimeUnit.MILLISECONDS);
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try {
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// 1. 先进行认证
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IotDeviceMessage authResponse = authenticate(socket);
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log.info("[testPropertyPost][认证响应: {}]", authResponse);
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// 2. 构建属性上报消息
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IotDeviceMessage request = IotDeviceMessage.requestOf(
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IotDeviceMessageMethodEnum.PROPERTY_POST.getMethod(),
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IotDevicePropertyPostReqDTO.of(MapUtil.<String, Object>builder()
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.put("power", 100)
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.put("status", "online")
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.put("temperature", 36.5)
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.build()));
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log.info("[testPropertyPost][子设备属性上报 - 请求实际由 Gateway 代为转发]");
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// 3. 发送并接收响应
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IotDeviceMessage response = sendAndReceive(socket, request);
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log.info("[testPropertyPost][响应消息: {}]", response);
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} finally {
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socket.close();
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}
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}
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// ===================== 子设备事件上报测试 =====================
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/**
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* 子设备事件上报测试
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*/
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@Test
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public void testEventPost() throws Exception {
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NetSocket socket = connect().get(TIMEOUT_MS, TimeUnit.MILLISECONDS);
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try {
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// 1. 先进行认证
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IotDeviceMessage authResponse = authenticate(socket);
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log.info("[testEventPost][认证响应: {}]", authResponse);
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// 2. 构建事件上报消息
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IotDeviceMessage request = IotDeviceMessage.requestOf(
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IotDeviceMessageMethodEnum.EVENT_POST.getMethod(),
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IotDeviceEventPostReqDTO.of(
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"alarm",
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MapUtil.<String, Object>builder()
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.put("level", "warning")
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.put("message", "temperature too high")
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.put("threshold", 40)
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.put("current", 42)
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.build(),
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System.currentTimeMillis()));
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log.info("[testEventPost][子设备事件上报 - 请求实际由 Gateway 代为转发]");
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// 3. 发送并接收响应
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IotDeviceMessage response = sendAndReceive(socket, request);
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log.info("[testEventPost][响应消息: {}]", response);
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} finally {
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socket.close();
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}
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}
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// ===================== 辅助方法 =====================
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/**
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* 建立 TCP 连接
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*
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* @return 连接 Future
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*/
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private CompletableFuture<NetSocket> connect() {
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CompletableFuture<NetSocket> future = new CompletableFuture<>();
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netClient.connect(SERVER_PORT, SERVER_HOST)
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.onSuccess(future::complete)
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.onFailure(future::completeExceptionally);
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return future;
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}
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/**
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* 执行子设备认证
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*
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* @param socket TCP 连接
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* @return 认证响应消息
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*/
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private IotDeviceMessage authenticate(NetSocket socket) throws Exception {
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IotDeviceAuthReqDTO authInfo = IotDeviceAuthUtils.getAuthInfo(PRODUCT_KEY, DEVICE_NAME, DEVICE_SECRET);
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IotDeviceMessage request = IotDeviceMessage.requestOf("auth", authInfo);
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return sendAndReceive(socket, request);
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}
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/**
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* 发送消息并接收响应（复用 IotTcpFrameCodec 编解码逻辑）
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*
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* @param socket TCP 连接
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* @param request 请求消息
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* @return 响应消息
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*/
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private IotDeviceMessage sendAndReceive(NetSocket socket, IotDeviceMessage request) throws Exception {
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// 1. 使用 FRAME_CODEC 创建解码器（复用 gateway 的拆包逻辑）
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CompletableFuture<IotDeviceMessage> responseFuture = new CompletableFuture<>();
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RecordParser parser = FRAME_CODEC.createDecodeParser(buffer -> {
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try {
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// 反序列化响应
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IotDeviceMessage response = SERIALIZER.deserialize(buffer.getBytes());
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responseFuture.complete(response);
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} catch (Exception e) {
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responseFuture.completeExceptionally(e);
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}
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});
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socket.handler(parser);
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// 2.1 序列化 + 帧编码
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byte[] serializedData = SERIALIZER.serialize(request);
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Buffer frameData = FRAME_CODEC.encode(serializedData);
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log.info("[sendAndReceive][发送消息: {}，数据长度: {} 字节]", request.getMethod(), frameData.length());
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// 2.2 发送请求
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socket.write(frameData);
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// 3. 等待响应
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IotDeviceMessage response = responseFuture.get(TIMEOUT_MS, TimeUnit.MILLISECONDS);
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log.info("[sendAndReceive][收到响应，数据长度: {} 字节]",
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SERIALIZER.serialize(response).length);
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return response;
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}
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}
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