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@ -4,6 +4,7 @@ import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.core.util.StrUtil;
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import com.supervision.constant.UserTokenConstant;
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import com.supervision.usermanage.UserResourceCheck;
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import com.supervision.util.SpringBeanUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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@ -21,17 +22,22 @@ import java.util.concurrent.ConcurrentHashMap;
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@ServerEndpoint("/webSocket/{uid}")
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public class WebSocketServer {
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@Autowired
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private RedisTemplate<String, String> redisTemplate;
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private static RedisTemplate<String, String> redisTemplate ;
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//concurrent包的线程安全Set,用来存放每个客户端对应的WebSocketServer对象。
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private static final ConcurrentHashMap<String, Session> SESSION_POOL = new ConcurrentHashMap<>();
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public static final ConcurrentHashMap<String, Session> SESSION_POOL = new ConcurrentHashMap<>();
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@Value("${human.resourceMaxNumber}")
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private String resourceNumber;
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private static UserResourceCheck userResourceCheck ;
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@Autowired
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private UserResourceCheck userResourceCheck;
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public void setUserResourceCheck(UserResourceCheck userResourceCheck) {
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WebSocketServer.userResourceCheck = userResourceCheck;
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}
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@Autowired
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public void setRedisTemplate(RedisTemplate<String, String> redisTemplate) {
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WebSocketServer.redisTemplate = redisTemplate;
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}
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/**
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* 有客户端连接成功
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@ -40,6 +46,7 @@ public class WebSocketServer {
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public void onOpen(Session session, @PathParam(value = "uid") String uid) {
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userResourceCheck.achieveDiagnoseResourceAndOpenConnection(uid, session);
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SESSION_POOL.put(uid, session);
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log.info("用户:{}登录成功", uid);
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}
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/**
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@ -62,17 +69,5 @@ public class WebSocketServer {
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log.error("用户:{}发生错误,从Redis中移除,当前连接数为:{}", uid, redisTemplate.opsForHash().size(UserTokenConstant.USER_WEBSOCKET_CACHE), throwable);
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}
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// 实现一个方法用于踢下线用户,走的是Redis的消息队列
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public void kickUser(String userId, String ignoreSessionId) throws IOException {
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log.info("尝试主动踢用户:{}下线", userId);
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Session session = SESSION_POOL.get(userId);
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// 只有不是忽略剔除的sessionId才可以踢下线
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if (ObjectUtil.isNotEmpty(session) && !StrUtil.equals(ignoreSessionId, session.getId())) {
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session.close(new CloseReason(CloseReason.CloseCodes.NORMAL_CLOSURE, "用户被踢下线"));
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SESSION_POOL.remove(userId);
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log.info("主动踢用户:{},sessionId:{} 下线成功", userId, session.getId());
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return;
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}
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log.info("主动踢用户:{}下线,未找到用户,踢下线失败", userId);
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}
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}
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