daiyongkang
76f266645d
含 Phase 1.1 IM seq 排序、断线重连、多端已读同步与微信式语音转文字 UI。 排除 node_modules、构建产物、安装包与 .env 密钥。 Co-authored-by: Cursor <cursoragent@cursor.com>
74 lines
1.7 KiB
Dart
74 lines
1.7 KiB
Dart
import 'dart:convert';
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import 'dart:typed_data';
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/// MobileIMSDK 官方 TCP 帧：4 字节大端长度 + UTF-8 JSON Protocal。
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class ClientType {
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static const login = 0;
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static const keepAlive = 1;
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static const commonData = 2;
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static const logout = 3;
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static const received = 4;
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static const echo = 5;
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}
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class ServerType {
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static const login = 50;
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static const keepAlive = 51;
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static const error = 52;
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static const echo = 53;
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static const kickout = 54;
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}
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class Protocal {
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Protocal({
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required this.type,
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this.dataContent = '',
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this.from = '0',
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this.to = '0',
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this.fp,
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this.qos = false,
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this.typeu = -1,
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this.sm = -1,
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});
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int type;
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String dataContent;
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String from;
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String to;
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String? fp;
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bool qos;
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int typeu;
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int sm;
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Map<String, dynamic> toJson() => {
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'bridge': false,
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'type': type,
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'dataContent': dataContent,
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'from': from,
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'to': to,
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'fp': fp,
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'QoS': qos,
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'typeu': typeu,
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'sm': sm,
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};
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factory Protocal.fromJson(Map<String, dynamic> j) => Protocal(
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type: (j['type'] as num?)?.toInt() ?? 0,
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dataContent: '${j['dataContent'] ?? ''}',
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from: '${j['from'] ?? '0'}',
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to: '${j['to'] ?? '0'}',
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fp: j['fp']?.toString(),
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qos: j['QoS'] == true || j['qos'] == true,
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typeu: (j['typeu'] as num?)?.toInt() ?? -1,
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sm: (j['sm'] as num?)?.toInt() ?? -1,
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);
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}
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Uint8List encodeFrame(Protocal p) {
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final body = utf8.encode(jsonEncode(p.toJson()));
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final header = ByteData(4)..setUint32(0, body.length);
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return Uint8List.fromList([...header.buffer.asUint8List(), ...body]);
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}
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const maxBody = 6 * 1024;
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