| | |
| | | // // 等待所有任务执行完成 |
| | | // CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join(); |
| | | // } |
| | | |
| | | public void sendMessageToAll(String message) { |
| | | List<CompletableFuture<Void>> futures = new ArrayList<>(); |
| | | List<Future<Void>> futures = new ArrayList<>(); |
| | | ExecutorService executorService = Executors.newFixedThreadPool(100); // 使用固定大小的线程池 |
| | | |
| | | // 收集所有活动的会话 |
| | | List<Session> activeSessions = new ArrayList<>(); |
| | |
| | | }); |
| | | |
| | | // 并发处理所有活动的会话 |
| | | activeSessions.forEach(session -> { |
| | | futures.add(CompletableFuture.runAsync(() -> { |
| | | for (Session session : activeSessions) { |
| | | Future<Void> future = executorService.submit(() -> { |
| | | Lock sessionLock = getSessionLock(session.getId()); |
| | | sessionLock.lock(); |
| | | try { |
| | | if (sessionLock.tryLock(100, TimeUnit.MILLISECONDS)) { |
| | | try { |
| | | schedulePushMessage(session, message); |
| | | } catch (Exception e) { |
| | | log.error("发送消息时出现异常: {}", e.getMessage()); |
| | | closeSession(session, "发送消息异常,断开链接"); |
| | | } finally { |
| | | sessionLock.unlock(); |
| | | sessionLock.unlock(); // 确保锁只在这里释放 |
| | | } |
| | | }, threadPoolTaskExecutor)); |
| | | } else { |
| | | log.error("无法获取锁,放弃对会话 {} 的操作", session.getId()); |
| | | } |
| | | } catch (InterruptedException e) { |
| | | Thread.currentThread().interrupt(); // 重新设置中断状态 |
| | | log.error("线程被中断: {}", e.getMessage()); |
| | | } catch (JsonProcessingException e) { |
| | | log.error("JSON处理异常: {}", e.getMessage()); |
| | | } |
| | | return null; // 需要返回一个值,Void 类型的 |
| | | }); |
| | | |
| | | CompletableFuture<Void> allFutures = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])); |
| | | try { |
| | | allFutures.join(); // 等待所有任务完成 |
| | | } finally { |
| | | futures.clear(); // 清理未使用的 futures 列表 |
| | | futures.add(future); |
| | | } |
| | | |
| | | // 等待所有任务完成或超时 |
| | | for (Future<Void> future : futures) { |
| | | try { |
| | | future.get(60, TimeUnit.SECONDS); // 指定超时时间 |
| | | } catch (TimeoutException e) { |
| | | log.error("某个任务超时,可能未能完成: {}", e.getMessage()); |
| | | // 这里可以选择是否取消该任务 |
| | | future.cancel(true); // 取消任务,设置为 true 则会中断正在执行的线程 |
| | | } catch (InterruptedException e) { |
| | | Thread.currentThread().interrupt(); // 重新设置中断状态 |
| | | log.error("线程被中断: {}", e.getMessage()); |
| | | } catch (ExecutionException e) { |
| | | log.error("处理会话时发生异常: {}", e.getCause().getMessage()); |
| | | } |
| | | } |
| | | |
| | | // 关闭线程池 |
| | | executorService.shutdown(); |
| | | } |
| | | |
| | | |
| | | @PreDestroy |
| | | public void shutdownExecutor() { |
| | | threadPoolTaskExecutor.shutdown(); |
| | | threadPoolTaskExecutor.shutdown(); // 先关闭线程池 |
| | | try { |
| | | // 等待现有任务在指定时间内完成 |
| | | if (!threadPoolTaskExecutor.getThreadPoolExecutor().awaitTermination(60, TimeUnit.SECONDS)) { |
| | | // 如果未能完成,则强制关闭 |
| | | threadPoolTaskExecutor.getThreadPoolExecutor().shutdownNow(); |
| | | } |
| | | } catch (InterruptedException e) { |
| | | // 如果当前线程被中断,则强制关闭 |
| | | threadPoolTaskExecutor.getThreadPoolExecutor().shutdownNow(); |
| | | Thread.currentThread().interrupt(); // 还原中断状态 |
| | | } |
| | | } |
| | | |
| | | private WsBo getWsBoForSession(String sessionId) { |