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实现bot代码执行的微服务 botrunningsystem, 主服务前后端做出对应修改

This commit is contained in:
flykhan 2023-03-09 10:46:31 +08:00
parent fffb1d5a60
commit ebd3f3c610
31 changed files with 627 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
backendcloud/backend/src/main/java/com/kob/backend/config/SecurityConfig.java
View File

@ -49,7 +49,7 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
.and()
.authorizeRequests()
.antMatchers("/user/account/token/", "/user/account/register/").permitAll()
.antMatchers("/pk/start/").hasIpAddress("127.0.0.1")
.antMatchers("/pk/start/","/pk/receive/bot/move/").hasIpAddress("127.0.0.1")
.antMatchers(HttpMethod.OPTIONS).permitAll()
.anyRequest().authenticated();

53
backendcloud/backend/src/main/java/com/kob/backend/consumer/WebSocketServer.java
View File

@ -3,14 +3,15 @@ package com.kob.backend.consumer;
// WebSocket用于前后端通信
import com.alibaba.fastjson2.JSONObject;
import com.kob.backend.config.RestTemplateConfig;
import com.kob.backend.consumer.utils.Game;
import com.kob.backend.consumer.utils.JwtAuthenticationUtil;
import com.kob.backend.mapper.BotMapper;
import com.kob.backend.mapper.RecordMapper;
import com.kob.backend.mapper.UserMapper;
import com.kob.backend.pojo.Bot;
import com.kob.backend.pojo.Record;
import com.kob.backend.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.web.WebProperties;
import org.springframework.stereotype.Component;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
@ -19,11 +20,8 @@ import org.springframework.web.client.RestTemplate;
import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import javax.xml.stream.events.StartDocument;
import java.io.IOException;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArraySet;
@Component
@ServerEndpoint("/websocket/{token}") // 注意不要以'/'结尾
@ -36,16 +34,17 @@ public class WebSocketServer {
*/
public static final ConcurrentHashMap<Integer, WebSocketServer> users = new ConcurrentHashMap<>();
// 用于和 MatchingSystem 进行通信
private static RestTemplate restTemplate;
public static RestTemplate restTemplate;
// 在 WebSocketServer 中注入数据库的方法演示-> 使用 static 定义为独一份的变量
private static UserMapper userMapper;
private static BotMapper botMapper;
// 注入 RecordMapper 用于调用实现游戏数据到数据库的存储
public static RecordMapper recordMapper;
// 后端向前端发送信息,首先需要创建一个 session
private Session session = null;
// 用户信息:定义一个成员变量
private User user;
private Game game = null;
public Game game = null;
// addPlayer 添加用户到匹配池的 URL; removePlayer 从匹配池移除用户的 URL
private final static String addPlayerUrl = "http://127.0.0.1:3001/player/add/";
private final static String removePlayerUrl = "http://127.0.0.1:3001/player/remove/";
@ -63,12 +62,16 @@ public class WebSocketServer {
WebSocketServer.userMapper = userMapper;
}
@Autowired
public void setBotMapper(BotMapper botMapper) {
WebSocketServer.botMapper = botMapper;
}
@Autowired
public void setRecordMapper(RecordMapper recordMapper) {
WebSocketServer.recordMapper = recordMapper;
}
// @OnOpen 创建链接时自动触发这个函数
@OnOpen
public void onOpen(Session session, @PathParam("token") String token) throws IOException {
@ -108,12 +111,22 @@ public class WebSocketServer {
}
// 匹配逻辑函数
public static void startGame(Integer aId, Integer bId) {
public static void startGame(Integer aId, Integer aBotId, Integer bId, Integer bBotId) {
User a = userMapper.selectById(aId);
User b = userMapper.selectById(bId);
Bot botA = botMapper.selectById(aBotId);
Bot botB = botMapper.selectById(bBotId);
// 匹配成功时,创建联机地图
Game game = new Game(13, 14, 20, a.getId(), b.getId());
Game game = new Game(
13,
14,
20,
a.getId(),
botA,
b.getId(),
botB
);
game.createMap(); // 初始化地图
// 当用户不为空时,才能执行下面的操作(防止有人退出游戏后用户已经成为空指针)
if (users.get(a.getId()) != null)
@ -124,6 +137,7 @@ public class WebSocketServer {
game.start(); // 开启新线程,执行函数
// 打包地图数据信息
JSONObject respGameData = new JSONObject();
respGameData.put("game_map", game.getG());
respGameData.put("rows", game.getRows());
@ -157,15 +171,15 @@ public class WebSocketServer {
}
// 开始匹配的逻辑部分:开始匹配时向 MatchingSystem 服务端发一个请求
private void startMatching() {
private void startMatching(Integer botId) {
System.out.println("start matching");
// 这里的参数列表需要与 MatchingSystem(微服务)->MatchingController->addPlayer 的参数对应
MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
data.add("user_id", this.user.getId().toString());
data.add("rating", this.user.getRating().toString());
data.add("bot_id", botId.toString()); // 将选中的 botId 传给匹配系统
// postForObject(请求的URL,传出的数据,返回值的类型.class) -> Java 反射机制
String res = restTemplate.postForObject(addPlayerUrl, data, String.class);
System.out.println(this.user.getId().toString() + " " + this.user.getUsername() + " " + res);
restTemplate.postForObject(addPlayerUrl, data, String.class);
}
// 取消匹配的逻辑部分:向 MatchingSystem 发送请求:从匹配池移除一个用户
@ -173,17 +187,19 @@ public class WebSocketServer {
System.out.println("stop matching");
MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
data.add("user_id", this.user.getId().toString());
String res = restTemplate.postForObject(removePlayerUrl, data, String.class);
System.out.println(this.user.getId().toString() + " " + this.user.getUsername() + " " + res);
restTemplate.postForObject(removePlayerUrl, data, String.class);
}
// direction 传入 move(移动) 方向参数
// direction 传入 move(移动) 方向参数(将人的操作传给Gama)
private void move(int direction) {
// 判断角色:如果是 A 角色,则将获取到的方向设置为 A 的 nextStep 方向
// user.getId() 是获取当前链接的用户 id
if (game.getPlayerA().getId().equals(user.getId())) {
game.setNextStepA(direction);
// 判断当前是否是人工操作(botId == -1),是人工操作时,返回人工操作结果
if (game.getPlayerA().getBotId() == -1)
game.setNextStepA(direction); // 亲自出马时,才接受这个用户键盘输入
} else if (game.getPlayerB().getId().equals(user.getId())) {
if (game.getPlayerB().getBotId() == -1)
game.setNextStepB(direction);
}
}
@ -200,7 +216,8 @@ public class WebSocketServer {
// 匹配状态函数调用
if ("start-matching".equals(event)) {
startMatching();
// 传入前端 MatchGround.vue->click_match_btn->JSON.stringify() 封装传过来的 bot_id
startMatching(data.getInteger("bot_id"));
} else if ("stop-matching".equals(event)) {
stopMatching();
} else if ("move".equals(event)) {

85
backendcloud/backend/src/main/java/com/kob/backend/consumer/utils/Game.java
View File

@ -2,10 +2,11 @@ package com.kob.backend.consumer.utils;
import com.alibaba.fastjson2.JSONObject;
import com.kob.backend.consumer.WebSocketServer;
import com.kob.backend.pojo.Bot;
import com.kob.backend.pojo.Record;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import javax.swing.event.InternalFrameEvent;
import java.sql.Time;
import java.util.*;
import java.util.concurrent.locks.ReentrantLock;
@ -24,21 +25,40 @@ public class Game extends Thread {
private Integer nextStepA = null;
private Integer nextStepB = null;
// 加锁:解决读写冲突用
private ReentrantLock lock = new ReentrantLock();
private final ReentrantLock lock = new ReentrantLock();
// 整个游戏的当前状态: playing(正在进行) --> finished(游戏结束)
private String status = "playing";
// 定义失败者: all(平局), A(A输), B(B输)
private String loser = "";
// 传送消息给 BotRunningSystem 的链接
private static final String addBotUrl = "http://127.0.0.1:3002/bot/add/";
// 初始化(有参)构造函数
public Game(Integer rows, Integer cols, Integer inner_walls_count, Integer idA, Integer idB) {
public Game(Integer rows, Integer cols, Integer inner_walls_count, Integer idA, Bot botA, Integer idB, Bot botB) {
this.rows = rows;
this.cols = cols;
this.inner_walls_count = inner_walls_count;
this.g = new int[rows][cols];
playerA = new Player(idA, rows - 2, 1, new ArrayList<>());
playerB = new Player(idB, 1, cols - 2, new ArrayList<>());
// 定义默认 botId 值: botId 等于 -1 时表示玩家"亲自出战",非负则表示由对应 id 的 bot 操作(Ai)
Integer botIdA = -1, botIdB = -1;
// 定义默认 bot 代码值
String botCodeA = "", botCodeB = "";
// 判断 botA 不等于 null 时,对 botA 的 id 和 code 重新赋值;否则取默认值
if (botA != null) {
botIdA = botA.getId();
// botA.getContent() 是 bot 的代码区域
botCodeA = botA.getContent();
}
// 判断 botB 不等于 null 时,对 botB 的 id 和 code 重新赋值
if (botB != null) {
botIdB = botB.getId();
botCodeB = botB.getContent();
}
playerA = new Player(idA, botIdA, botCodeA, rows - 2, 1, new ArrayList<>());
playerB = new Player(idB, botIdB, botCodeB, 1, cols - 2, new ArrayList<>());
}
public Player getPlayerA() {
@ -61,14 +81,17 @@ public class Game extends Thread {
return inner_walls_count;
}
// 将地图信息转换成字符串
private String getGameMapString() {
StringBuilder res = new StringBuilder();
// 将地图数据展开成一维
/* for (int i = 0; i < rows; i++) {
/*
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
res.append(g[i][j]);
}
}*/
}
*/
for (int[] row : g) {
for (int col : row) {
res.append(col);
@ -185,6 +208,44 @@ public class Game extends Thread {
}
}
// 将当前的局面信息编码成字符串
private String getInput(Player player) {
Player me, you;
if (playerA.getId().equals(player.getId())) {
me = playerA;
you = playerB;
} else {
me = playerB;
you = playerA;
}
// 地图#me.sx#me.sy#我的操作#you.sx#you.sy#对手操作
// getStepsString() 操作序列可能是空的,为了防止分割出错,在这里加上()
return getGameMapString() + "#"
+ me.getSx() + "#"
+ me.getSy() + "#("
+ me.getStepsString() + ")#"
+ you.getSx() + "#"
+ you.getSy() + "#("
+ you.getStepsString() + ")";
}
// 发送 bot 代码让服务器自动执行
private void sendBotCode(Player player) {
//// botId 等于 -1 时表示玩家"亲自出战",非负则表示由对应 id 的 bot 操作(Ai)
if (player.getBotId() == -1) return; // 当人来亲自操作时,直接 return, 不需要执行代码
// 不是人来控制时(改为 Bot 按照代码逻辑自动执行)
// 封装数据包
MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
data.add("user_id", player.getId().toString());
data.add("bot_code", player.getBotCode());
data.add("input", getInput(player));
// 向 BotRunningSystem 发送消息
WebSocketServer.restTemplate.postForObject(addBotUrl, data, String.class);
}
// 获取两名玩家的下一步操作
private boolean nextStep() {
try {
@ -195,6 +256,10 @@ public class Game extends Thread {
throw new RuntimeException(e);
}
sendBotCode(playerA);
sendBotCode(playerB);
// 循环 50 秒钟,每次 100 毫秒,判断用户输入(50 * 100 = 5000 ms后如果没有接收到输入,则判断输赢)
for (int i = 0; i < 50; i++) {
try {
@ -258,9 +323,9 @@ public class Game extends Thread {
// 游戏结束时,判断输赢
if (!validA && !validB) {
loser = "all";
} else if (!validA && validB) {
} else if (!validA) {
loser = "A";
} else if (validA && !validB) {
} else {
loser = "B";
}
}

2
backendcloud/backend/src/main/java/com/kob/backend/consumer/utils/Player.java
View File

@ -13,6 +13,8 @@ import java.util.List;
@NoArgsConstructor
public class Player {
private Integer id;
private Integer botId; // botId 等于 -1 时表示玩家"亲自出战",非负则表示由对应 id 的 bot 操作(Ai)
private String botCode; // bot 的代码
private Integer sx;
private Integer sy;
// 玩家走过的路径中每一步的方向

24
backendcloud/backend/src/main/java/com/kob/backend/controller/pk/ReceiveBotMoveController.java Normal file
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@ -0,0 +1,24 @@
package com.kob.backend.controller.pk;
import com.kob.backend.service.pk.ReceiveBotMoveService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.Objects;
@RestController
public class ReceiveBotMoveController {
@Autowired
private ReceiveBotMoveService receiveBotMoveService;
@PostMapping("/pk/receive/bot/move/")
public String receiveBotMove(@RequestParam MultiValueMap<String, String> data) {
Integer userId = Integer.parseInt(Objects.requireNonNull(data.getFirst("user_id")));
Integer direction = Integer.parseInt(Objects.requireNonNull(data.getFirst("direction")));
return receiveBotMoveService.receiveBotMove(userId, direction);
}
}

4
backendcloud/backend/src/main/java/com/kob/backend/controller/pk/StartGameController.java
View File

@ -19,7 +19,9 @@ public class StartGameController {
@PostMapping("/pk/start/")
public String startGame(@RequestParam MultiValueMap<String, String> data) {
Integer aId = Integer.parseInt(Objects.requireNonNull(data.getFirst("a_id")));
Integer aBotId = Integer.parseInt(Objects.requireNonNull(data.getFirst("a_bot_id")));
Integer bId = Integer.parseInt(Objects.requireNonNull(data.getFirst("b_id")));
return startGameService.startGame(aId, bId);
Integer bBotId = Integer.parseInt(Objects.requireNonNull(data.getFirst("b_bot_id")));
return startGameService.startGame(aId, aBotId, bId, bBotId);
}
}

34
backendcloud/backend/src/main/java/com/kob/backend/service/impl/pk/ReceiveBotMoveServiceImpl.java Normal file
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@ -0,0 +1,34 @@
package com.kob.backend.service.impl.pk;
import com.kob.backend.consumer.WebSocketServer;
import com.kob.backend.consumer.utils.Game;
import com.kob.backend.service.pk.ReceiveBotMoveService;
import org.springframework.stereotype.Service;
@Service
public class ReceiveBotMoveServiceImpl implements ReceiveBotMoveService {
@Override
public String receiveBotMove(Integer userId, Integer direction) {
System.out.println("receive bot move: -> " + "userid: " + userId + "direction: " + direction);
// 看看操作的 user 是否还存在
if (WebSocketServer.users.get(userId) != null) {
// 取出 game
Game game = WebSocketServer.users.get(userId).game;
// 判断 game 是否存在
if (game != null) {
// 将 Bot 的操作传给 game
// 判断角色:如果是 A 角色,则将获取到的方向设置为 botA 的 nextStep 方向
if (game.getPlayerA().getId().equals(userId)) {
game.setNextStepA(direction);
} else if (game.getPlayerB().getId().equals(userId)) {
game.setNextStepB(direction);
}
}
}
return "receive bot move success";
}
}

4
backendcloud/backend/src/main/java/com/kob/backend/service/impl/pk/StartGameServiceImpl.java
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@ -7,9 +7,9 @@ import org.springframework.stereotype.Service;
@Service
public class StartGameServiceImpl implements StartGameService {
@Override
public String startGame(Integer aId, Integer bId) {
public String startGame(Integer aId, Integer aBotId, Integer bId, Integer bBotId) {
System.out.println("start game " + aId + " " + bId);
WebSocketServer.startGame(aId, bId); // 调用 WebSocketServer->startGame 函数
WebSocketServer.startGame(aId, aBotId, bId, bBotId); // 调用 WebSocketServer->startGame 函数
return "start game success";
}
}

6
backendcloud/backend/src/main/java/com/kob/backend/service/pk/ReceiveBotMoveService.java Normal file
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@ -0,0 +1,6 @@
// 接收 botrunningsystem 传回的 bot -> move 信息
package com.kob.backend.service.pk;
public interface ReceiveBotMoveService {
String receiveBotMove(Integer userId,Integer direction); // 接收传入的用户 id 和运动方向信息
}

2
backendcloud/backend/src/main/java/com/kob/backend/service/pk/StartGameService.java
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@ -3,5 +3,5 @@ package com.kob.backend.service.pk;
public interface StartGameService {
// 参数是匹配的两位玩家的 id
String startGame(Integer aId, Integer bId);
String startGame(Integer aId, Integer aBotId, Integer bId, Integer bBotId);
}

48
backendcloud/botrunningsystem/pom.xml Normal file
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@ -0,0 +1,48 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.kob</groupId>
<artifactId>backendcloud</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<groupId>com.kob.botrunningsystem</groupId>
<artifactId>botrunningsystem</artifactId>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<!-- 用于动态编译 java-8 代码 -->
<!-- https://mvnrepository.com/artifact/org.jooq/joor-java-8 -->
<dependency>
<groupId>org.jooq</groupId>
<artifactId>joor-java-8</artifactId>
<version>0.9.14</version>
</dependency>
<!-- 用于安全验证-->
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-security -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
<version>3.0.2</version>
</dependency>
<!-- 简化代码,可以帮助写一些构造函数, set() , get() 函数等-->
<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.26</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>

16
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/BotRunningSystemApplication.java Normal file
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@ -0,0 +1,16 @@
package com.kob.botrunningsystem;
import com.kob.botrunningsystem.service.BotRunningService;
import com.kob.botrunningsystem.service.impl.BotRunningServiceImpl;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class BotRunningSystemApplication {
public static void main(String[] args) {
// 启动 BotRunningSystem 服务之前启动 BotPool 线程
BotRunningServiceImpl.botPool.start(); // 启动 Bot 执行线程
SpringApplication.run(BotRunningSystemApplication.class, args);
}
}

13
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/config/RestTemplateConfig.java Normal file
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@ -0,0 +1,13 @@
package com.kob.botrunningsystem.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;
@Configuration
public class RestTemplateConfig {
@Bean
public RestTemplate getRestTemplate() {
return new RestTemplate();
}
}

24
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/config/SecurityConfig.java Normal file
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@ -0,0 +1,24 @@
package com.kob.botrunningsystem.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
public void configure(HttpSecurity http) throws Exception {
http.csrf().disable()
.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
.and()
.authorizeRequests()
.antMatchers("/bot/add/").hasIpAddress("127.0.0.1")
.antMatchers(HttpMethod.OPTIONS).permitAll()
.anyRequest().authenticated();
}
}

25
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/controller/BotRunningController.java Normal file
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@ -0,0 +1,25 @@
package com.kob.botrunningsystem.controller;
import com.kob.botrunningsystem.service.BotRunningService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.Objects;
@RestController
public class BotRunningController {
@Autowired
private BotRunningService botRunningService;
@PostMapping("/bot/add/")
public String addBot(@RequestParam MultiValueMap<String, String> data) {
Integer userId = Integer.parseInt(Objects.requireNonNull(data.getFirst("user_id")));
String botCode = data.getFirst("bot_code");
String input = data.getFirst("input");
return botRunningService.addBot(userId, botCode, input);
}
}

6
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/service/BotRunningService.java Normal file
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@ -0,0 +1,6 @@
package com.kob.botrunningsystem.service;
public interface BotRunningService {
// 参数: userId 用户, botCode bot代码, input 输入的地图信息(障碍物,两条蛇的位置，走过的路径等信息)
String addBot(Integer userId, String botCode, String input);
}

18
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/service/impl/BotRunningServiceImpl.java Normal file
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@ -0,0 +1,18 @@
package com.kob.botrunningsystem.service.impl;
import com.kob.botrunningsystem.service.BotRunningService;
import com.kob.botrunningsystem.service.impl.utils.BotPool;
import org.springframework.stereotype.Service;
@Service
public class BotRunningServiceImpl implements BotRunningService {
// BotPool 全局只有一个线程,所以这里定义成静态
public static final BotPool botPool = new BotPool();
@Override
public String addBot(Integer userId, String botCode, String input) {
System.out.println(userId + " add a bot: " + botCode + " " + input);
botPool.addBot(userId, botCode, input);
return "add bot success";
}
}

14
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/service/impl/utils/Bot.java Normal file
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@ -0,0 +1,14 @@
package com.kob.botrunningsystem.service.impl.utils;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Bot {
Integer userId;
String botCode;
String input;
}

65
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/service/impl/utils/BotPool.java Normal file
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@ -0,0 +1,65 @@
package com.kob.botrunningsystem.service.impl.utils;
import java.util.LinkedList;
import java.util.Queue;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;
public class BotPool extends Thread {
// 定义可重入锁
private final ReentrantLock lock = new ReentrantLock();
// 定义条件变量:如果队列空,线程会阻塞;一旦有新的任务输入,则唤醒线程
private final Condition condition = lock.newCondition();
// 定义队列: Queue 会在两个线程中操作 ==> 生产者会生产任务 ; 消费者会消费任务
private final Queue<Bot> bots = new LinkedList<>();
// 往队列中插入一个 bot
public void addBot(Integer userId, String botCode, String input) {
// 这里涉及对 Queue 的操作,需要枷锁
lock.lock();
try {
bots.add(new Bot(userId, botCode, input)); // 给队列添加新的 bot
condition.signalAll(); // 唤醒另外一个线程
} finally {
lock.unlock();
}
}
// 消费任务:编译执行代码(取出来的任务) ==> 使用 JOOR
// 每次执行一个代码都开一个线程,用来操控执行时间
private void consume(Bot bot) {
// 将代码发送给 Consumer
Consumer consumer = new Consumer(); // 定义一个 consumer
consumer.startTimeout(2000,bot); // 每个 bot 每回合最多执行 2 秒(每个玩家每回合设定等待 5 秒输入)
}
// 如果队列空,线程会阻塞;一旦有新的任务输入,则唤醒线程
@Override
public void run() {
// 循环消费任务
while (true) {
lock.lock();
// 如果 bots 队列为空,则阻塞当前线程
if (bots.isEmpty()) {
try {
condition.await();
} catch (InterruptedException e) {
e.printStackTrace();
lock.unlock(); // 报异常要解锁
break; // 报异常则直接 break 中断进程
}
}
// 如果 bots 不空,则
else {
// 取出队头任务
Bot bot = bots.remove(); // Queue.remove() 返回并删除对头元素
lock.unlock(); // 取完队头,即解锁
// 消费取出来的任务: consume() 比较耗时,因此需要在执行之前先解锁 lock.unlock
consume(bot);
}
}
}
}

75
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/service/impl/utils/Consumer.java Normal file
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@ -0,0 +1,75 @@
package com.kob.botrunningsystem.service.impl.utils;
import com.kob.botrunningsystem.utils.BotInterface;
import org.joor.Reflect;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;
import java.util.UUID;
@Component
public class Consumer extends Thread {
private Bot bot;
// 定义返回信息 URL
private final static String receiveBotMoveUrl = "http://127.0.0.1:3000/pk/receive/bot/move/";
//注入 RestTemplate 用于给 backend 服务发送信息
private static RestTemplate restTemplate;
//注入 RestTemplate 用于给 backend 服务发送信息
@Autowired
public void setRestTemplate(RestTemplate restTemplate) {
Consumer.restTemplate = restTemplate;
}
// 传入 等待时间 和 bot
public void startTimeout(long timeout, Bot bot) {
this.bot = bot;
this.start(); // 执行线程
try {
// 最多阻塞 timeout 时间后继续执行后面的操作(上面的线程最多等待执行 timeout 秒)
// 相比 sleep 的好处是, join 最多执行 timeout 秒,如果这个早跑完任务就早点结束阻塞; sleep 则必须阻塞够 timeout 才会结束阻塞
this.join(timeout);
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
this.interrupt(); // 中断当前线程:一旦等待时间超过 timeout 秒,就中断线程
}
}
// 在 Code 中的 Bot 类名后面," implements com.kob.botrunningsystem.utils.BotInterface" 之前加上 uid
private String addUid(String code, String uid) {
int k = code.indexOf(" implements com.kob.botrunningsystem.utils.BotInterface");
return code.substring(0, k) + uid + code.substring(k);
}
@Override
public void run() {
// 使用 UUID 生成随机字符串
UUID uuid = UUID.randomUUID();
String uid = uuid.toString().substring(0, 8); // 返回前 8 位 uuid 作为 uid
// Reflect 来自 JOOR　依赖: 可以动态的编译 java 代码
// 重名类只会编译一遍,为了每次新线程都重新编译,
// 在类名后加一个随机字符串 UUID(每次返回一个不一样的ID)
BotInterface botInterface = Reflect.compile(
"com.kob.botrunningsystem.utils.Bot" + uid,
addUid(bot.getBotCode(), uid)
).create().get(); // compile(编译) 完这个类之后 create(创建) 一个类,并 get(获取) 到这个类
// 存储获取到的方向
Integer direction = botInterface.nextMove(bot.getInput());
System.out.println("move-direction: " + bot.getUserId() + " " + direction); // 根据动态编译结果返回输入
// 打包信息
MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
data.add("user_id", bot.getUserId().toString());
data.add("direction", direction.toString());
// 返回结果信息给 backend 服务端
restTemplate.postForObject(receiveBotMoveUrl, data, String.class);
}
}

73
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/utils/Bot.java Normal file
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@ -0,0 +1,73 @@
// Bot 自动化代码示例
package com.kob.botrunningsystem.utils;
import java.util.ArrayList;
import java.util.List;
public class Bot implements com.kob.botrunningsystem.utils.BotInterface {
static class Cell {
public int x, y;
public Cell(int x, int y) {
this.x = x;
this.y = y;
}
}
private boolean check_tail_increasing(int step) { // 检验当前回合，蛇的长度是否增加
if (step <= 10) return true;
return step % 3 == 1;
}
public List<Cell> getCells(int sx, int sy, String steps) {
steps = steps.substring(1, steps.length() - 1);
List<Cell> res = new ArrayList<>();
int[] dx = {-1, 0, 1, 0}, dy = {0, 1, 0, -1};
int x = sx, y = sy;
int step = 0;
res.add(new Cell(x, y));
for (int i = 0; i < steps.length(); i ++ ) {
int d = steps.charAt(i) - '0';
x += dx[d];
y += dy[d];
res.add(new Cell(x, y));
if (!check_tail_increasing( ++ step)) {
res.remove(0);
}
}
return res;
}
@Override
public Integer nextMove(String input) {
String[] strs = input.split("#");
int[][] g = new int[13][14];
for (int i = 0, k = 0; i < 13; i ++ ) {
for (int j = 0; j < 14; j ++, k ++ ) {
if (strs[0].charAt(k) == '1') {
g[i][j] = 1;
}
}
}
int aSx = Integer.parseInt(strs[1]), aSy = Integer.parseInt(strs[2]);
int bSx = Integer.parseInt(strs[4]), bSy = Integer.parseInt(strs[5]);
List<Cell> aCells = getCells(aSx, aSy, strs[3]);
List<Cell> bCells = getCells(bSx, bSy, strs[6]);
for (Cell c: aCells) g[c.x][c.y] = 1;
for (Cell c: bCells) g[c.x][c.y] = 1;
int[] dx = {-1, 0, 1, 0}, dy = {0, 1, 0, -1};
for (int i = 0; i < 4; i ++ ) {
int x = aCells.get(aCells.size() - 1).x + dx[i];
int y = aCells.get(aCells.size() - 1).y + dy[i];
if (x >= 0 && x < 13 && y >= 0 && y < 14 && g[x][y] == 0) {
return i;
}
}
return 0;
}
}

6
backendcloud/botrunningsystem/src/main/java/com/kob/botrunningsystem/utils/BotInterface.java Normal file
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@ -0,0 +1,6 @@
// 实现前端用户编写的 AI　的接口(api)
package com.kob.botrunningsystem.utils;
public interface BotInterface {
Integer nextMove(String input); // 下一步要走的方向
}

1
backendcloud/botrunningsystem/src/main/resources/application.properties Normal file
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@ -0,0 +1 @@
server.port=3002

3
backendcloud/matchingsystem/src/main/java/com/kob/matchingsystem/controller/MatchingController.java
View File

@ -21,7 +21,8 @@ public class MatchingController {
public String addPlayer(@RequestParam MultiValueMap<String, String> data) {
Integer userId = Integer.parseInt(Objects.requireNonNull(data.getFirst("user_id")));
Integer rating = Integer.parseInt(Objects.requireNonNull(data.getFirst("rating")));
return matchingService.addPlayer(userId, rating);
Integer botId = Integer.parseInt(Objects.requireNonNull(data.getFirst("bot_id")));
return matchingService.addPlayer(userId, rating,botId);
}
@PostMapping("/player/remove/")

2
backendcloud/matchingsystem/src/main/java/com/kob/matchingsystem/service/MatchingService.java
View File

@ -3,7 +3,7 @@ package com.kob.matchingsystem.service;
public interface MatchingService {
// 给匹配池添加一名玩家
String addPlayer(Integer userId, Integer rating);
String addPlayer(Integer userId, Integer rating,Integer botId);
// 从匹配池删除一名玩家
String removePlayer(Integer userId);

4
backendcloud/matchingsystem/src/main/java/com/kob/matchingsystem/service/impl/MatchingServiceImpl.java
View File

@ -11,10 +11,10 @@ public class MatchingServiceImpl implements MatchingService {
public final static MatchingPool matchingPool = new MatchingPool();
@Override
public String addPlayer(Integer userId, Integer rating) {
public String addPlayer(Integer userId, Integer rating, Integer botId) {
System.out.println("add player: " + userId + " " + rating);
// 向匹配池添加一名玩家
matchingPool.addPlayer(userId, rating);
matchingPool.addPlayer(userId, rating, botId);
return "add player success";
}

7
backendcloud/matchingsystem/src/main/java/com/kob/matchingsystem/service/impl/utils/MatchingPool.java
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@ -27,11 +27,11 @@ public class MatchingPool extends Thread {
MatchingPool.restTemplate = restTemplate;
}
public void addPlayer(Integer userId, Integer rating) {
public void addPlayer(Integer userId, Integer rating,Integer botId) {
lock.lock();
try {
// 一开始匹配等待时间是 0
playerList.add(new Player(userId, rating, 0));
playerList.add(new Player(userId, rating,botId, 0));
} finally {
lock.unlock();
}
@ -77,8 +77,11 @@ public class MatchingPool extends Thread {
// 返回 a 和 b 的匹配结果
private void sendResult(Player a, Player b) {
MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
// 返回两名玩家的 userId 和 botId
data.add("a_id", a.getUserId().toString());
data.add("a_bot_id",a.getBotId().toString());
data.add("b_id", b.getUserId().toString());
data.add("b_bot_id",b.getBotId().toString());
restTemplate.postForObject(startGameUrl, data, String.class);
}

1
backendcloud/matchingsystem/src/main/java/com/kob/matchingsystem/service/impl/utils/Player.java
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@ -11,5 +11,6 @@ import lombok.NoArgsConstructor;
public class Player {
private Integer userId;
private Integer rating;
private Integer botId;
private Integer waitingTime; // 等待时间
}

1
backendcloud/pom.xml
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@ -17,6 +17,7 @@
<modules>
<module>matchingsystem</module>
<module>backend</module>
<module>botrunningsystem</module>
</modules>
<packaging>pom</packaging>

50
web/src/components/MatchGround.vue
View File

@ -2,15 +2,27 @@
<template>
<div class="matchground">
<div class="row">
<!-- 左边 6 份,右边 6 份 -->
<div class="col-6">
<!-- 左边 4 份,右边 4 份,中间留 4 份用于选择出战方式 -->
<div class="col-4">
<!-- 用户自己的信息 -->
<div class="user-photo">
<img :src="$store.state.user.photo" alt="">
</div>
<div class="user-username">{{ $store.state.user.username }}</div>
</div>
<div class="col-6">
<div class="col-4">
<div class="user-select-bot">
<!-- v-model 绑定 selece_bot -->
<select v-model="select_bot" class="form-select" aria-label="Default select example">
<!-- 玩家亲自出战的 value 置为 -1, 如果不是亲自出战, 则是非负数 -->
<option value="-1" selected>亲自出战</option>
<option v-for="bot in bots" :key="bot.id" :value="bot.id">
{{ bot.title }}
</option>
</select>
</div>
</div>
<div class="col-4">
<!-- 对手的信息 -->
<div class="opponent-photo">
<img :src="$store.state.pk.opponent_photo" alt="">
@ -33,32 +45,60 @@ export default {
setup: () => {
const store = useStore();
let match_btn_info = ref("开始匹配")
let bots = ref([]);
let select_bot = ref("-1"); // 选中的 bot 一开始是 -1 ,即一开始是亲自出战模式
const click_match_btn = () => {
if (match_btn_info.value === "开始匹配") {
match_btn_info.value = "取消";
console.log(select_bot.value);
// 向后端发请求,使用 JSON.stringify() 将一个 JSON 封装成一字符串
store.state.pk.socket.send(JSON.stringify({
// 传一个 event 域
event:"start-matching",
event: "start-matching",
bot_id:select_bot.value,
}));
} else {
match_btn_info.value = "开始匹配";
store.state.pk.socket.send(JSON.stringify({
event:"stop-matching",
event: "stop-matching",
}))
}
}
const refresh_bots = () => {
// 获取 bots 列表
store.dispatch("getList", {
success(resp) {
console.log(resp);
bots.value = resp;
},
error(resp) {
console.log(resp);
}
})
}
refresh_bots(); // 从云端动态获取 bots
return {
match_btn_info,
click_match_btn,
bots,
select_bot,
}
}
};
</script>
<style scoped>
div.user-select-bot {
padding-top: 20vh;
width: 60%;
margin: 0 auto;
}
.matchground {
/* 60% 浏览器宽度, 70% 浏览器高度 */
width: 60vw;

2
web/src/views/pk/PkIndexView.vue
View File

@ -36,6 +36,8 @@ export default {
photo: "https://typoraflykhan.oss-cn-beijing.aliyuncs.com/202302251825860.png",
})
store.commit("updateLoser", "none");
// 新建 WebSocket
socket = new WebSocket(socketUrl);
store.commit("updateSocket", socket);