app-starlock/lib/talk/startChart/handle/impl/udp_talk_ping_handler.dart

import 'dart:convert';
import 'dart:typed_data';

import 'package:star_lock/talk/startChart/constant/message_type_constant.dart';
import 'package:star_lock/talk/startChart/entity/scp_message.dart';
import 'package:star_lock/talk/startChart/handle/scp_message_base_handle.dart';
import 'package:star_lock/talk/startChart/handle/scp_message_handle.dart';

import 'package:star_lock/talk/startChart/proto/generic.pb.dart';
import 'package:star_lock/talk/startChart/proto/talk_ping.pb.dart';

class UdpTalkPingHandler extends ScpMessageBaseHandle
    implements ScpMessageHandler {
  @override
  void handleReq(ScpMessage scpMessage) {
    // TODO: 收到通话保持请求
  }

  @override
  void handleResp(ScpMessage scpMessage) {
    // 收到通话保持回复
    final GenericResp genericResp = scpMessage.Payload;
    if (checkGenericRespSuccess(genericResp)) {
      // 收到消息，重新触发定时器
      talkePingOverTimeTimerManager.receiveMessage();
    }
  }

  @override
  void handleInvalidReq(ScpMessage scpMessage) {}

  @override
  void handleRealTimeData(ScpMessage scpMessage) {}

  @override
  deserializePayload(
      {required int payloadType,
      required int messageType,
      required Uint8List byte,
      int? offset,
      int? PayloadLength,
      int? spTotal,
      int? spIndex,
      int? messageId}) {
    if (messageType == MessageTypeConstant.Resp) {
      final GenericResp genericResp = GenericResp();
      genericResp.mergeFromBuffer(byte);
      return genericResp;
    } else if (messageType == MessageTypeConstant.Req) {
      final TalkPing talkPing = TalkPing();
      talkPing.mergeFromBuffer(byte);
      return talkPing;
    } else {
      String payload = utf8.decode(byte);
      return payload;
    }
  }
}