完成逻辑

Author: Yi

.idea/.gitignore

@@ -0,0 +1,41 @@
+<?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">
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.10</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.beiyoufamily</groupId>
+    <artifactId>video-call-java</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <fastjson.version>2.0.32</fastjson.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>

.idea/compiler.xml

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+package com.beiyoufamily;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @author Yi Dai daiyi.lucky@qq.com
+ * @since 2023/8/8 14:40
+ */
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

.idea/encodings.xml

@@ -0,0 +1,76 @@
+package com.beiyoufamily.web.socket;
+
+import com.alibaba.fastjson.JSON;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.websocket.OnClose;
+import javax.websocket.OnError;
+import javax.websocket.OnOpen;
+import javax.websocket.Session;
+import javax.websocket.server.PathParam;
+import javax.websocket.server.ServerEndpoint;
+import java.io.IOException;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * @author Yi Dai daiyi.lucky@qq.com
+ * @since 2023/8/8 14:40
+ */
+
+@Slf4j
+@Component
+@ServerEndpoint("/peerServerEndpoint/{peerId}")
+public class PeerServerEndpoint {
+
+    private static final Map<String, Session> peerIdSessionMap = new ConcurrentHashMap<>();
+
+    @OnOpen
+    public void onOpen(Session session, @PathParam("peerId") String peerId) {
+        log.info("on open:the session is is :{},the peer id is:{}", session.getId(), peerId);
+        Session removedSession = PeerServerEndpoint.peerIdSessionMap.remove(peerId);
+        try {
+            if (Objects.nonNull(removedSession)) {
+                removedSession.close();
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        } finally {
+            PeerServerEndpoint.peerIdSessionMap.put(peerId, session);
+            refreshOnlineSessionsList();
+        }
+    }
+
+    @OnClose
+    public void onClose(Session session, @PathParam("peerId") String peerId) {
+        log.warn("on close:the session is is :{},the peer id is:{}", session.getId(), peerId);
+
+        Session removedSession = PeerServerEndpoint.peerIdSessionMap.remove(peerId);
+        try {
+            if (Objects.nonNull(removedSession)) {
+                removedSession.close();
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        } finally {
+            refreshOnlineSessionsList();
+        }
+    }
+
+    @OnError
+    public void onError(Session session, Throwable e, @PathParam("peerId") String peerId) {
+        log.error("on error:the session is is :{},the exception class is: {},the peer id is:{}", session.getId(), e.getClass(), peerId);
+        onClose(session, peerId);
+
+        e.printStackTrace();
+    }
+
+    private void refreshOnlineSessionsList() {
+        PeerServerEndpoint.peerIdSessionMap.forEach((key, value) -> {
+            value.getAsyncRemote().sendText(JSON.toJSONString(PeerServerEndpoint.peerIdSessionMap.keySet()));
+        });
+    }
+
+}

.idea/jarRepositories.xml

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+package com.beiyoufamily.web.socket.configuration;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.socket.server.standard.ServerEndpointExporter;
+
+/**
+ * @author Yi Dai daiyi.lucky@qq.com
+ * @since 2023/8/8 14:40
+ */
+
+@Configuration
+public class ServerEndpointExporterConfiguration {
+
+    @Bean
+    public ServerEndpointExporter serverEndpointExporter() {
+        return new ServerEndpointExporter();
+    }
+
+}

.idea/misc.xml

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+server:
+  port: 8081