update: 增加websocket心跳机制

main/manager-api/src/main/resources/db/changelog/202512161529.sql

@@ -0,0 +1 @@
+INSERT INTO `sys_params` (id, param_code, param_value, value_type, param_type, remark) VALUES (311, 'enable_websocket_ping', 'false', 'boolean', 1, '是否启用WebSocket心跳保活机制');

main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml

@@ -445,3 +445,10 @@ databaseChangeLog:
         - sqlFile:
             encoding: utf8
             path: classpath:db/changelog/202512131453.sql
+  - changeSet:
+      id: 202512161529
+      author: RanChen
+      changes:
+        - sqlFile:
+            encoding: utf8
+            path: classpath:db/changelog/202512161529.sql

main/xiaozhi-server/config.yaml

@@ -69,6 +69,9 @@ enable_greeting: true
 enable_stop_tts_notify: false
 # 说完话是否开启提示音，音效地址
 stop_tts_notify_voice: "config/assets/tts_notify.mp3"
+# 是否启用WebSocket心跳保活机制
+enable_websocket_ping: false
+
 
 # TTS音频发送延迟配置
 # tts_audio_send_delay: 控制音频包发送间隔

main/xiaozhi-server/core/handle/textHandler/pingMessageHandler.py

@@ -0,0 +1,45 @@
+import json
+import time
+from typing import Dict, Any
+
+from core.handle.textMessageHandler import TextMessageHandler
+from core.handle.textMessageType import TextMessageType
+
+TAG = __name__
+
+
+class PingMessageHandler(TextMessageHandler):
+    """Ping消息处理器，用于保持WebSocket连接"""
+
+    @property
+    def message_type(self) -> TextMessageType:
+        return TextMessageType.PING
+
+    async def handle(self, conn, msg_json: Dict[str, Any]) -> None:
+        """
+        处理PING消息，发送PONG响应
+        消息格式：{"type": "ping"}
+        Args:
+            conn: WebSocket连接对象
+            msg_json: PING消息的JSON数据
+        """
+        # 检查是否启用了WebSocket心跳功能
+        enable_websocket_ping = conn.config.get("enable_websocket_ping", False)
+        if not enable_websocket_ping:
+            conn.logger.debug(f"WebSocket心跳功能未启用，忽略PING消息")
+            return
+
+        try:
+            conn.logger.debug(f"收到PING消息，发送PONG响应")
+            conn.last_activity_time = time.time() * 1000
+            # 构造PONG响应消息
+            pong_message = {
+                "type": "pong",
+                "timestamp": time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()),
+            }
+
+            # 发送PONG响应
+            await conn.websocket.send(json.dumps(pong_message))
+
+        except Exception as e:
+            conn.logger.error(f"处理PING消息时发生错误: {e}")

main/xiaozhi-server/core/handle/textMessageHandlerRegistry.py

@@ -7,6 +7,7 @@ from core.handle.textHandler.listenMessageHandler import ListenTextMessageHandle
 from core.handle.textHandler.mcpMessageHandler import McpTextMessageHandler
 from core.handle.textMessageHandler import TextMessageHandler
 from core.handle.textHandler.serverMessageHandler import ServerTextMessageHandler
+from core.handle.textHandler.pingMessageHandler import PingMessageHandler
 
 TAG = __name__
 
@@ -27,6 +28,7 @@ class TextMessageHandlerRegistry:
             IotTextMessageHandler(),
             McpTextMessageHandler(),
             ServerTextMessageHandler(),
+            PingMessageHandler(),
         ]
 
         for handler in handlers:

main/xiaozhi-server/core/handle/textMessageType.py

@@ -9,3 +9,4 @@ class TextMessageType(Enum):
     IOT = "iot"
     MCP = "mcp"
     SERVER = "server"
+    PING = "ping"