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Commit dce6c9e0 authored by shiyubin's avatar shiyubin 🌼
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http请求延迟处理

parent ffe12602
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Showing with 69 additions and 26 deletions
src/main/java/com/gemho/netty/NettyApplication.java
View file @ dce6c9e0
......@@ -11,7 +11,7 @@ public class NettyApplication {
public static void main(String[] args) {
SpringApplication.run(NettyApplication.class, args);
new nettyServer(9999);
new nettyServer(9997);
}
}
src/main/java/com/gemho/netty/controller/SocketController.java
View file @ dce6c9e0
package com.gemho.netty.controller;
import cn.hutool.core.util.URLUtil;
import cn.hutool.http.HttpUtil;
import com.gemho.netty.model.ResultModel;
import com.gemho.netty.util.CRC16Util;
import com.gemho.netty.util.MapUtils;
......@@ -10,14 +8,9 @@ import com.gemho.netty.util.StringUtil;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.net.URLEncoder;
@RestController
public class SocketController {
......@@ -30,7 +23,9 @@ public class SocketController {
*/
@GetMapping("/clear")
public String clearDiaplay(String key, String code) {
String CLEAR_CODE = "0000000400006050";
// 6x6大屏： C0
// 小平指令： 60
String CLEAR_CODE = "000000040000C050";
code = code + CLEAR_CODE;
int i = CRC16Util.calcCrc16(StringUtil.hexString2Bytes(code));
code = (code + StringUtil.hightAddZero(StringUtil.encodeHEX(i))).toUpperCase();
......@@ -44,7 +39,6 @@ public class SocketController {
bufff.retain();
mapChannel.writeAndFlush(bufff);
// bufff.retain();
// 返回失败指令时使用
if (!ParamUtil.findMapContainerKey("clear" + mapChannel.remoteAddress().toString())) {
ResultModel model = new ResultModel();
......@@ -52,7 +46,22 @@ public class SocketController {
model.setHexCodeByte(StringUtil.hexString2Bytes(code));
ParamUtil.addMap("clear" + mapChannel.remoteAddress().toString(), model);
}
return "success";
long timeMillis = System.currentTimeMillis();
while(true) {
String resCode = nettyHandler.map.get("clear" + mapChannel.remoteAddress().toString());
if(resCode != null) {
if ("00".equals(resCode)) {
nettyHandler.map.remove("clear" + mapChannel.remoteAddress().toString());
return "success";
}else if("01".equals(resCode)) {
nettyHandler.map.remove("clear" + mapChannel.remoteAddress().toString());
return "fail";
}
}else if (System.currentTimeMillis() -timeMillis >= 3000) {
nettyHandler.map.remove("clear" + mapChannel.remoteAddress().toString());
return "未获取到返回的指令";
}
}
}
......@@ -67,8 +76,10 @@ public class SocketController {
* @return String
*/
@GetMapping("/display")
public String display(String key, String code, Integer x, Integer y, String font,String content) {
public synchronized String display(String key, String code, Integer x, Integer y, String font, String content) {
try{
// 获取通道
Channel mapChannel = MapUtils.getMapChannel(key);
String DISPLAY_CODE = "0001";
// 指令处理
String xHex = Integer.toHexString(x).length() == 1? "0"+ Integer.toHexString(x) : Integer.toHexString(x);
......@@ -83,10 +94,11 @@ public class SocketController {
// 数据封装
ByteBuf bufff = Unpooled.buffer();
bufff.writeBytes(StringUtil.hexString2Bytes(code));
// 获取通道
Channel mapChannel = MapUtils.getMapChannel(key);
mapChannel.writeAndFlush(bufff);
System.out.println("===================================是否执行");
mapChannel.writeAndFlush(bufff);
// bufff.retain();
// 返回失败指令时使用
if (!ParamUtil.findMapContainerKey("display" + mapChannel.remoteAddress().toString())) {
......@@ -95,19 +107,37 @@ public class SocketController {
model.setHexCodeByte(StringUtil.hexString2Bytes(code));
ParamUtil.addMap("display" + mapChannel.remoteAddress().toString(), model);
}
return "success";
}catch(Exception e) {
// 获取当前时间
long time1= System.currentTimeMillis();
while (true) {
String ydData= nettyHandler.map.get("display" + mapChannel.remoteAddress().toString());
if (ydData != null) {
if (ydData.equals("00")) {
nettyHandler.map.remove("display" + mapChannel.remoteAddress().toString());
return "success";
} else if (ydData.equals("01")) {
nettyHandler.map.remove("display" + mapChannel.remoteAddress().toString());
return "exefail";
}
} else if (System.currentTimeMillis()-time1 >= 3000) {
nettyHandler.map.remove("display" + mapChannel.remoteAddress().toString());
return "未获取到返回的指令";
}
}
} catch(Exception e) {
e.printStackTrace();
return null;
}
}
@GetMapping("/test")
public void test(String key) throws Exception{
/* @GetMapping("/test")
public void test(String key) {
System.out.println(key + "=======================");
String body = HttpUtil.createGet("http://localhost:9998/display?key=864333042029678&code=01&x=0&y=12&font=31&content=温 度:33.5℃").execute().body();
String body = HttpUtil.createGet("http://localhost:9998/display?key=864333046020715&code=01&x=0&y=12&font=31&content=温 度:33.5℃").execute().body();
// Thread.sleep(500);
String body1 = HttpUtil.createGet("http://localhost:9998/display?key=864333042029678&code=01&x=0&y=24&font=31&content=湿 度:33.5%RH").execute().body();
String body1 = HttpUtil.createGet("http://localhost:9998/display?key=864333046020715&code=01&x=0&y=24&font=31&content=湿 度:33.5%RH").execute().body();
// Thread.sleep(500);
String body2 = HttpUtil.createGet("http://localhost:9998/display?key=864333042029678&code=01&x=0&y=36&font=31&content=CO2:450ppm").execute().body();
}
String body2 = HttpUtil.createGet("http://localhost:9998/display?key=864333046020715&code=01&x=0&y=36&font=31&content=CO2:450ppm").execute().body();
}*/
}
src/main/java/com/gemho/netty/controller/nettyHandler.java
View file @ dce6c9e0
......@@ -7,9 +7,14 @@ import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import java.util.LinkedHashMap;
import java.util.Map;
public class nettyHandler extends ChannelInboundHandlerAdapter {
static Map<String, String> map = new LinkedHashMap<>();
@Override
public void channelActive(ChannelHandlerContext ctx) {
System.out.println("当前连接信息:" + ctx.channel().remoteAddress());
......@@ -41,16 +46,24 @@ public class nettyHandler extends ChannelInboundHandlerAdapter {
byte[] newBys = new byte[1];
System.arraycopy(bys, 5, newBys, 0, 1);
System.out.println("==============result:" + StringUtil.bytesToHexString(newBys));
byte[] typeByte = new byte[2];
System.arraycopy(bys, 1, typeByte, 0, 2);
System.out.println("00:清屏异常==01:屏幕显示异常============返回异常信息指令:" + StringUtil.bytesToHexString(newBys));
if ("00".equals(StringUtil.bytesToHexString(newBys))) {
System.out.println("正常:大屏接收到数据");
if ("0001".equals(StringUtil.bytesToHexString(typeByte))) {
map.put("display" + ctx.channel().remoteAddress().toString(), "00");
} else {
map.put("clear" + ctx.channel().remoteAddress().toString(), "00");
}
} else {
byte[] typeByte = new byte[2];
System.arraycopy(bys, 1, typeByte, 0, 2);
System.out.println("0000:清屏异常==0001:屏幕显示异常============返回异常信息指令:" + StringUtil.bytesToHexString(typeByte));
System.out.println("失败:大屏未接收到数据");
if ("0001".equals(StringUtil.bytesToHexString(typeByte))) {
this.processResult("display" + ctx.channel().remoteAddress().toString(), ctx);
map.put("display" + ctx.channel().remoteAddress().toString(), "01");
} else {
this.processResult("clear" + ctx.channel().remoteAddress().toString(), ctx);
map.put("clear" + ctx.channel().remoteAddress().toString(), "01");
}
}
}else {
......
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