Java-代码段-http接口调用自身服务中的其他http接口（mock）-并建立socket连接发送和接收报文实例
1. controller入口
@ApiOperation("模拟平台端+现场机socket交互过程,需要Authorization")
@PostMapping(path = "/testSocketBusiness")
public ResponseBean<HashMap<Object, Object>> testSocketBusiness(@RequestBody SocketTestClient.SocketAllParams socketAllParams) {
// 建立socket连接 "\n")
HashMap<Object, Object> res = socketTestClient.doTestAll(socketAllParams.getFirstUrlRequest(), socketAllParams.getSocketMsgList(), socketAllParams.getAutoUseNowDataTime());
return new ResponseBean<>(200, "请求结束", res);
}
1.1 接口入参示例及说明
{
"firstUrlRequestxxxxx": {
"url": "/your http api/remoteControl",
"method": "PUT",
"urlParams": {
"monitorId": 3319,
"cn": "3020",
"polId": "md0501",
"infoId": "i42002"
}
},
"socketMsgList": [
"ST=32;CN=3020;PW=123456;MN=887799;Flag=5;CP=&&DataTime=20250529105000;PolId=md0501;DT=201;VaseNo=4;i33022-Info=0;i33028-Info=1&&"
],
"autoUseNowDataTime": true,
"【示例非必要不改动】反控入参示例（前不要长度、不要QN,后不要结尾，DataTime是否自动更新取决于autoUseNowDataTime）": {
"firstUrlRequest": {
"url": "/your http api/remoteControl",
"method": "PUT",
"urlParams": {
"monitorId": 3319,
"cn": "3020",
"polId": "md0501",
"infoId": "i42002"
}
},
"socketMsgList": [
"ST=91;CN=9011;PW=123456;MN=7899871;Flag=4;CP=&&QnRtn=1&&",
"ST=32;CN=3020;PW=123456;MN=7899871;Flag=4;CP=&&DataTime=20250528111758;PolId=md0501;i42002-Info=2&&",
"ST=91;CN=9012;PW=123456;MN=7899871;Flag=4;CP=&&ExeRtn=1&&"
],
"autoUseNowDataTime": true
},
"【示例非必要不改动】监测数据入参示例（前不要长度、不要QN,后不要结尾，DataTime是否自动更新取决于autoUseNowDataTime）": {
"socketMsgList": [
"ST=32;CN=2011;PW=123456;MN=7899871;Flag=5;CP=&&DataTime=20250527105200;w01018-Rtd=8.8,w00000-Flag=N;w01018-Rtd=444.7,w01018-SampleTime=20250527105100,w01018-Flag=D&&"
],
"autoUseNowDataTime": false
},
"一次采集日志：": [
"tail -200f /home/logs/yourProject/collect/connect.log",
"tail -200f /home/logs/yourProject/collect/receive.log [重点]",
"tail -200f /home/logs/yourProject/collect/send.log",
"tail -200f /home/logs/yourProject/debug.log [重点]",
"tail -200f /home/logs/yourProject/error.log"
]
}
1.2 接口出参示例
{
"code": 200,
"msg": "请求结束",
"data": {
"请求结束,当期是监测数据上传模式,返回qn列表：": [
"20250529132932726"
]
},
"timestamp": "2025-05-29 13:29:36",
"traceId": "cb9557eaed1543aa8749bf2a545816ef"
}
2. mock test方式调用自身controller下的http接口并建立socket连接发送和接收报文实例
SocketTestClient.java
package cn.jiangjiesheng.code.service.common;
import cn.hutool.core.date.DateUtil;
import cn.hutool.json.JSONUtil;
import cn.jiangjiesheng.code.core.utils.ControllerInvoker;
import cn.jiangjiesheng.code.core.utils.HttpServletUtil;
import cn.jiangjiesheng.code.core.utils.StringUtils;
import cn.jiangjiesheng.code.exception.GnException;
import com.google.api.client.util.Lists;
import com.google.common.collect.Maps;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.*;
import java.net.Socket;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Component
@Slf4j
public class SocketTestClient {
// 配置参数：socket服务器IP/端口
@Value("${ecp-collector.url}")
private String socketIP;
private static final int SOCKET_PORT = 16010;
// 复用socket
private static volatile Socket socket;
private static final Object lock = new Object();
// 建立连接使用，核心是PW=123456;MN=7899871
private static final String BUILD_MN_CONNECT_FIRST_TIME = "QN=20250523094003516;ST=32;CN=2011;PW=%s;MN=%s;Flag=5;CP=&&DataTime=20250525093100;w00000-Rtd=0.00;&&4540"; // 固定内容
// 发送间隔（毫秒）
private static final long SEND_INTERVAL = 500;
@Autowired
private ControllerInvoker controllerInvoker;
/**
* 模拟云平台和现场机交互的接口
* （整个交互的多条报文在一个接口入参中写完，就不用通过socket工具来测试了，
* 一次采集一套流程好像还有10秒内的限制，通过接口调用就没这些问题了。）
*
* @param urlObj 模拟第一次业务触发
* @param socketMsgList 其他交互报文
* @param autoUseNowDataTime 是否自动更新DataTime，默认是
* @return 返回qn
*/
public HashMap<Object, Object> doTestAll(FirstUrlRequest urlObj, List<String> socketMsgList, Boolean autoUseNowDataTime) {
//反控的qn
String qn = null;
boolean isReverseControlMode = false;
//记录下qn，返回便于查验
List<String> qnList = Lists.newArrayList();
try {
//单例模式复用socket
connectToServer();
if (CollectionUtils.isNotEmpty(socketMsgList)) {
// 获取输出流（用于发送数据）
OutputStream out = socket.getOutputStream();
// 字符集
String CHARSET = "UTF-8";
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, CHARSET));
//触发第1个接口请求
if (urlObj != null && StringUtils.isNotBlank(urlObj.getUrl())) {
//发送建立连接使用
String msgOne = socketMsgList.get(0);
// 正则匹配 PW 和 MN 的值
String pw = extractValue(msgOne, "PW=([^;]+);");
String mn = extractValue(msgOne, "MN=([^;]+);");
log.info("doTestAll,PW = {}", mn);
log.info("doTestAll,MN = {}", mn);
sendMessage(writer, handleFinalMsg(String.format(BUILD_MN_CONNECT_FIRST_TIME, pw, mn)));
//还要有首选
String authorization = getRequest().getHeader("Authorization");
if (StringUtils.isBlank(authorization)) {
throw new GnException("请添加Authorization头");
}
String result = null;
try {
try {
//这里要等待建立好mn连接，必须，否则会报"链接不可用"
Thread.sleep(SEND_INTERVAL);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new GnException("发送线程被中断");
}
// 直接post get 方式调用会阻塞
// result = HttpConnectionsUtils.requestWithBody(urlObj.getUrl(), urlObj.getMethod(), null, JSONUtil.toJsonStr(urlObj.getUrlParams()), authorization);
result = controllerInvoker.invokeController(urlObj.getUrl(), urlObj.getMethod(), JSONUtil.toJsonStr(urlObj.getUrlParams()), authorization);
} catch (Exception e) {
throw new GnException("当前反控接口调用失败：" + e.getMessage());
}
qn = JSONUtil.parseObj(result).getStr("data", "");
if (StringUtils.isBlank(qn)) {
throw new GnException("当前反控接口调用失败");
}
}
//替换qn 和 DataTime
String datetime = null;
if (autoUseNowDataTime == null) {
autoUseNowDataTime = true;
}
if (autoUseNowDataTime) {
datetime = DateUtil.format(new Date(), "yyyyMMddHHmmss");
}
//是否是反控模式
isReverseControlMode = qn != null;
//执行其他报文请求
for (String msg : socketMsgList) {
if (isReverseControlMode) {
addQnList(qnList, qn);
} else {
//监测数据上传，这里重新生成qn
qn = DateUtil.format(new Date(), "yyyyMMddHHmmssSSS");
addQnList(qnList, qn);
}
if (msg.startsWith("QN=")) {
msg = msg.replaceFirst("QN=[^;]+;", String.format("QN=%s;", qn));
} else {
msg = String.format("QN=%s;", qn) + msg;
}
if (datetime != null && msg.contains("DataTime=")) {
msg = msg.replaceFirst("DataTime=[^;]+;", String.format("DataTime=%s;", datetime));
}
msg = handleFinalMsg(msg);
try {
Thread.sleep(SEND_INTERVAL);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
log.info("发送线程被中断");
break;
}
sendMessage(writer, msg);
}
// writer.close(); socket也会关闭
}
HashMap<Object, Object> qnMap = Maps.newHashMap();
String key = String.format("请求结束,%s,返回qn列表：", isReverseControlMode ? "当前是反控模式(1个qn)" : "当期是监测数据上传模式");
qnMap.put(key, qnList);
return qnMap;
} catch (IOException e) {
log.info("连接或通信异常: " + e.getMessage());
throw new GnException("连接或通信异常: " + e.getMessage());
} catch (Exception e) {
throw new GnException("当前反控接口调用失败：" + e.getMessage());
} finally {
//disconnect();
}
}
private static void addQnList(List<String> qnList, String qn) {
if (!qnList.contains(qn)) {
qnList.add(qn);
}
}
/**
* 处理成最终的报文格式
*
* @param msg
* @return
*/
private static String handleFinalMsg(String msg) {
//判断是否需要组装成完整的报文
if (msg.startsWith("QN")) {
// 找到最后一个 "&&" 的位置
int index = msg.lastIndexOf("&&");
if (index > 0 && !msg.endsWith("&&")) {
//先截断
msg = msg.substring(0, index + 2); // 保留 "&&
}
int length = msg.length();
String msgStart = String.format("##%04d", length);
msg = msgStart + msg;
}
//这个应该紧跟上面的逻辑，拼接的内容好像不重要
if (msg.endsWith("&&")) {
msg += "4540";
}
return msg;
}
/**
* 获取当前请求的request对象
*
* @author xuyuxiang
* @date 2020/3/30 15:10
*/
public static HttpServletRequest getRequest() {
ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
if (requestAttributes == null) {
throw new GnException("请求的参数异常");
} else {
return requestAttributes.getRequest();
}
}
// 提取方法
private static String extractValue(String input, String regex) {
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(input);
if (matcher.find()) {
return matcher.group(1);
}
return null;
}
// 封装发送方法：添加 \r\n 并刷新
private void sendMessage(BufferedWriter writer, String message) {
try {
// 添加回车换行 ,应该只要 \n
writer.write(message + "\r\n");
writer.flush();
log.info("doTestAll,已发送报文 {}", message);
} catch (IOException e) {
log.info("doTestAll,发送报文失败 {}", message);
}
}
// 启动一个线程接收服务器响应（可选）
private void startServerResponseThread(Socket socket) {
new Thread(() -> {
try (InputStream in = socket.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in))) {
String responseLine;
while ((responseLine = reader.readLine()) != null) {
log.info(" 收到来自服务器的报文: " + responseLine);
}
} catch (IOException e) {
log.info(" 接收服务器报文失败: " + e.getMessage());
}
}).start();
}
/**
* 单例模式复用socket
*/
public void connectToServer() {
if (socket == null || socket.isClosed()) {//|| socket.isConnected()只表示这个 Socket 对象是否曾经成功连接过一次。
synchronized (lock) {
if (socket == null || socket.isClosed()) {//|| socket.isConnected()只表示这个 Socket 对象是否曾经成功连接过一次。
try {
socket = new Socket(socketIP, SOCKET_PORT);
// 可以在这里配置 socket 参数，如设置超时时间
log.info("成功连接到socket服务器：{}:{}", socketIP, SOCKET_PORT);
SocketMessageReceiver receiver = new SocketMessageReceiver(socket, new MessageHandler() {
@Override
public void onMessageReceived(String message) {
log.info("收到socket回复消息：{}", message);
}
@Override
public void onConnectionClosed() {
log.info("socket断开连接");
}
@Override
public void onError(Exception e) {
log.info("socket连接发生错误", e);
}
});
receiver.start();
} catch (IOException e) {
throw new GnException("socket连接异常:" + e.getMessage());
}
} else {
log.info("socket已连接：{}:{}", socketIP, SOCKET_PORT);
}
}
} else {
log.info("socket已连接：{}:{}", socketIP, SOCKET_PORT);
}
}
public void disconnect() {
try {
if (socket != null && !socket.isClosed()) {
socket.close();
socket = null;
}
} catch (IOException e) {
throw new GnException("socket关闭异常:" + e.getMessage());
}
}
/**
* 模拟第一次业务触发
*/
@Data
public static class FirstUrlRequest {
private String url;
private String method;
private Object urlParams;
}
@Data
public static class SocketAllParams {
//模拟第一次业务触发
private FirstUrlRequest firstUrlRequest;
//其他交互报文
private List<String> socketMsgList;
//是否自动更新DataTime，默认是
private Boolean autoUseNowDataTime;
}
interface MessageHandler {
void onMessageReceived(String message);
void onConnectionClosed();
void onError(Exception e);
}
static class SocketMessageReceiver {
private final Socket socket;
private final MessageHandler handler;
private volatile boolean running = true;
public SocketMessageReceiver(Socket socket, MessageHandler handler) {
this.socket = socket;
this.handler = handler;
}
public void start() {
new Thread(this::runLoop).start();
}
public void stop() {
running = false;
try {
if (!socket.isClosed()) {
socket.close();
}
} catch (IOException e) {
handler.onError(e);
}
}
private void runLoop() {
try (InputStream in = socket.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in))) {
String line;
while (running && (line = reader.readLine()) != null) {
handler.onMessageReceived(line);
}
handler.onConnectionClosed();
} catch (IOException e) {
handler.onError(e);
}
}
}
}
3. ControllerInvoker mock调用http接口代码
ControllerInvoker.java
package cn.jiangjiesheng.code.core.utils;
import cn.jiangjiesheng.code.exception.GnException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.stereotype.Service;
import org.springframework.web.servlet.HandlerAdapter;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
import org.springframework.mock.web.MockHttpServletRequest;
import java.nio.charset.StandardCharsets;
/**
* http调用Controller http代码接口
* 依赖
* <dependency>
* <groupId>org.springframework.boot</groupId>
* <artifactId>spring-boot-starter-test</artifactId>
* <!-- <version>2.0.6.RELEASE</version>-->
* </dependency>
*/
@Service
public class ControllerInvoker {
@Autowired
private RequestMappingHandlerMapping handlerMapping;
@Autowired
//有3个
@Qualifier("requestMappingHandlerAdapter")
private HandlerAdapter handlerAdapter;
/**
* http调用Controller http代码接口，http不能直接调用自身服务的http接口，会阻塞
* @param uri 不要server.servlet.context-path，示例：/your http api/remoteControl
* @param method
* @param jsonBody
* @param authorization
* @return
* @throws Exception
*/
public String invokeController(String uri, String method, String jsonBody, String authorization) throws Exception {
MockHttpServletRequest request = new MockHttpServletRequest();
request.setRequestURI(uri);
request.setMethod(method.toUpperCase());
request.addHeader("Authorization", authorization);
request.setContentType(MediaType.APPLICATION_JSON_VALUE);
request.setContent(jsonBody.getBytes(StandardCharsets.UTF_8));
HandlerExecutionChain chain = handlerMapping.getHandler(request);
if (chain == null) {
throw new GnException("没找到对应url: " + uri);
}
// 执行 Controller 方法
MockHttpServletResponse response = new MockHttpServletResponse();
handlerAdapter.handle(request, response, chain.getHandler());
return new String(response.getContentAsByteArray(), StandardCharsets.UTF_8);
}
}
正文到此结束
- 本文标签： Java Spring Boot socket
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