首先引入jar
<dependency>
<groupId>com.corundumstudio.socketio</groupId>
<artifactId>netty-socketio</artifactId>
<version>1.7.7</version>
</dependency>
配置文件
socketio:
host: 0.0.0.0
port: 999
maxFramePayloadLength: 1048576
maxHttpContentLength: 1048576
bossCount: 1
workCount: 100
allowCustomRequests: true
upgradeTimeout: 1000000
pingTimeout: 6000000
pingInterval: 25000
配置
@Configuration
public class SocketIOConfig {
@Value("${socketio.host}")
private String host;
@Value("${socketio.port}")
private Integer port;
@Value("${socketio.bossCount}")
private int bossCount;
@Value("${socketio.workCount}")
private int workCount;
@Value("${socketio.allowCustomRequests}")
private boolean allowCustomRequests;
@Value("${socketio.upgradeTimeout}")
private int upgradeTimeout;
@Value("${socketio.pingTimeout}")
private int pingTimeout;
@Value("${socketio.pingInterval}")
private int pingInterval;
/**
* 以下配置在上面的application.properties中已經註明
* @return
*/
@Bean
public SocketIOServer socketIOServer() {
SocketConfig socketConfig = new SocketConfig();
socketConfig.setTcpNoDelay(true);
socketConfig.setSoLinger(0);
com.corundumstudio.socketio.Configuration config = new com.corundumstudio.socketio.Configuration();
config.setSocketConfig(socketConfig);
config.setHostname(host);
config.setPort(port);
config.setTransports(Transport.POLLING, Transport.WEBSOCKET);
config.setBossThreads(bossCount);
config.setWorkerThreads(workCount);
config.setAllowCustomRequests(allowCustomRequests);
config.setUpgradeTimeout(upgradeTimeout);
config.setPingTimeout(pingTimeout);
config.setPingInterval(pingInterval);
return new SocketIOServer(config);
}
}
創建接口
public interface SocketIOService {
//推送的事件
public static final String PUSH_EVENT = "pushmessage";
// 啓動服務
void start() throws Exception;
// 停止服務
void stop();
// 推送信息
void pushMessageToUser(PushMessage pushMessage);
}
@Service(value = "socketIOService")
public class SocketIOServiceImpl implements SocketIOService {
// 用來存已連接的客戶端
private static Map<String, Chat> clientMap = new ConcurrentHashMap<>();
@Autowired
private SocketIOServer socketIOServer;
@PostConstruct
private void autoStartup() throws Exception {
start();
@Override
public void start() {
// 監聽客戶端連接
socketIOServer.addConnectListener(client -> {
PushMessage push = new PushMessage();
push.setContent(bu.getBusinessName()+"加入");
client .sendEvent(PUSH_EVENT, push);//如果給其他用戶發。存到client中。然後循環
}
});
// 監聽客戶端斷開連接
socketIOServer.addDisconnectListener(client -> {
PushMessage push = new PushMessage();
push.setContent(bu.getBusinessName()+"加入");
client .sendEvent(PUSH_EVENT, push);//如果給其他用戶發。存到client中。然後循環
});
// 處理自定義的事件,與連接監聽類似
socketIOServer.addEventListener(PUSH_EVENT, PushMessage.class, (client, data, ackSender) -> {
//收到的消息自行處理
});
socketIOServer.start();
}
@Override
public void stop() {
if (socketIOServer != null) {
socketIOServer.stop();
socketIOServer = null;
}
}
@Override
public void pushMessageToUser(PushMessage pushMessage) {
//推送消息
}
/**
* Spring IoC容器在銷燬SocketIOServiceImpl Bean之前關閉,避免重啓項目服務端口占用問題
* @throws Exception
*/
@PreDestroy
private void autoStop() throws Exception {
stop();
}
}
PushMessage 只是一個簡單的對象。可以跟進業務自己創建