fix:增加组包时的最大组包超时时间

lib/talk/startChart/handle/scp_message_base_handle.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 
 import 'package:audioplayers/audioplayers.dart';
@@ -22,6 +23,8 @@ class ScpMessageBaseHandle {
   /// 分包缓冲区
   // 存储每个 messageId 对应的分包数据
   static Map<int, List<List<int>>> _packetBuffer = {};
+  final Map<int, Timer> _packetTimers = {};
+  final Duration _timeoutDuration = Duration(seconds: 10); // 分包组包最大超时时间
 
   // 通话数据流的单例流数据处理类
   final TalkDataRepository talkDataRepository = TalkDataRepository.instance;
@@ -74,7 +77,7 @@ class ScpMessageBaseHandle {
 
   /// 处理分包逻辑
   /// 如果没有收到所有包则返回null
-   dynamic handleFragmentedPayload({
+  dynamic handleFragmentedPayload({
     required int messageId,
     required int spTotal,
     required int spIndex,
@@ -84,6 +87,7 @@ class ScpMessageBaseHandle {
     // 初始化分包列表
     if (!_packetBuffer.containsKey(messageId)) {
       _packetBuffer[messageId] = List.filled(spTotal, []);
+      _startTimer(messageId);
     }
 
     // 检查分包索引是否在合法范围内
@@ -102,7 +106,7 @@ class ScpMessageBaseHandle {
           _packetBuffer[messageId]!.expand((packet) => packet).toList();
 
       // 清除已重组的分包数据
-      _packetBuffer.remove(messageId);
+      _clearPacketData(messageId);
 
       // 解析完整的 payload
       if (payloadType == PayloadTypeConstant.talkData) {
@@ -120,4 +124,18 @@ class ScpMessageBaseHandle {
       return null;
     }
   }
+
+  // 启动定时器
+  void _startTimer(int messageId) {
+    _packetTimers[messageId]?.cancel();
+    _packetTimers[messageId] = Timer(_timeoutDuration, () {
+      _clearPacketData(messageId);
+    });
+  }
+
+  // 清除分包数据和定时器
+  void _clearPacketData(int messageId) {
+    _packetBuffer.remove(messageId);
+    _packetTimers.remove(messageId)?.cancel();
+  }
 }