面试流程性能优化处理

vetti-admin/src/main/java/com/vetti/socket/util/AudioHub.java

@@ -0,0 +1,53 @@
+package com.vetti.socket.util;
+
+import javax.websocket.Session;
+import java.nio.ByteBuffer;
+import java.util.Map;
+import java.util.concurrent.*;
+
+/**
+ * 音频自动发送
+ */
+public class AudioHub {
+
+    private static final Map<String, ConcurrentLinkedQueue<ByteBuffer>> userQueues = new ConcurrentHashMap<>();
+
+    static {
+        // 20ms 调度推流线程
+        new Thread(() -> {
+            while (true) {
+
+                for (Map.Entry<String, ConcurrentLinkedQueue<ByteBuffer>> entry : userQueues.entrySet()) {
+                    String sessionId = entry.getKey();
+                    ConcurrentLinkedQueue<ByteBuffer> queue = entry.getValue();
+
+                    ByteBuffer frame = queue.poll();
+                    if (frame != null) {
+                        Session s = SessionManager.get(sessionId);
+                        if (s != null && s.isOpen()) {
+                            s.getAsyncRemote().sendBinary(frame);
+                        }
+                    }
+                }
+
+                try { Thread.sleep(20); } catch (Exception ignore) {}
+            }
+        }).start();
+    }
+
+    public static void addClient(Session session) {
+        userQueues.put(session.getId(), new ConcurrentLinkedQueue<>());
+        SessionManager.add(session);
+    }
+
+    public static void removeClient(Session session) {
+        userQueues.remove(session.getId());
+        SessionManager.remove(session.getId());
+    }
+
+    public static void pushToClient(String sessionId, ByteBuffer frame) {
+        if (userQueues.containsKey(sessionId)) {
+            userQueues.get(sessionId).add(frame);
+        }
+    }
+}