118 lines
3.4 KiB
Dart
118 lines
3.4 KiB
Dart
import 'package:crc32_checksum/crc32_checksum.dart';
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import 'package:star_lock/talk/startChart/constant/message_type_constant.dart';
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import 'package:star_lock/talk/startChart/constant/payload_type_constant.dart';
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import 'package:star_lock/talk/startChart/constant/protocol_flag_constant.dart';
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import 'package:star_lock/talk/startChart/entity/scp_message.dart';
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import 'package:star_lock/talk/startChart/proto/gateway_reset.pb.dart';
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class MessageCommand {
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/// 客户端去中继上线命令
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static List<int> goOnlineRelay({
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required String FromPeerId,
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required String ToPeerId,
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}) {
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String serializedBytesString = ScpMessage(
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ProtocolFlag: ProtocolFlagConstant.scp01,
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MessageType: MessageTypeConstant.Req,
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MessageId: 1,
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SpTotal: 0,
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SpIndex: 0,
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FromPeerId: FromPeerId,
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ToPeerId: ToPeerId,
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Payload: 'hello',
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PayloadCRC: 55230,
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PayloadLength: 5,
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PayloadType: PayloadTypeConstant.goOnline,
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).serialize();
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return _hexToBytes(serializedBytesString);
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}
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// 回声测试消息
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static List<int> echoMessage({
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required String ToPeerId,
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required String FromPeerId,
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}) {
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ScpMessage message = ScpMessage(
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ProtocolFlag: ProtocolFlagConstant.scp01,
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MessageType: MessageTypeConstant.Req,
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MessageId: 1,
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SpTotal: 0,
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SpIndex: 0,
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FromPeerId: FromPeerId,
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ToPeerId: ToPeerId,
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Payload: 'hello',
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PayloadCRC: 55230,
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PayloadLength: 5,
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PayloadType: PayloadTypeConstant.echoTest,
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);
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String serializedBytesString = message.serialize();
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return _hexToBytes(serializedBytesString);
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}
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// 心跳消息
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static List<int> heartbeatMessage({
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required String FromPeerId,
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required String ToPeerId,
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}) {
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ScpMessage message = ScpMessage(
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ProtocolFlag: ProtocolFlagConstant.scp01,
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MessageType: MessageTypeConstant.Req,
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MessageId: 1,
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SpTotal: 0,
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SpIndex: 0,
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FromPeerId: FromPeerId,
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ToPeerId: ToPeerId,
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Payload: 'hello',
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PayloadCRC: 55230,
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PayloadLength: 5,
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PayloadType: PayloadTypeConstant.heartbeat,
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);
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String serializedBytesString = message.serialize();
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return _hexToBytes(serializedBytesString);
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}
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// 网关初始化
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static List<int> gatewayReset({
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required int gatewayId,
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required String FromPeerId,
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required String ToPeerId,
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required int time,
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}) {
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final gatewayResetReq = GatewayResetReq(
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iD: gatewayId,
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time: time,
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);
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final payloadLength = gatewayResetReq.writeToBuffer().length;
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ScpMessage message = ScpMessage(
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ProtocolFlag: ProtocolFlagConstant.scp01,
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MessageType: MessageTypeConstant.Req,
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MessageId: 1,
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SpTotal: 0,
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SpIndex: 0,
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FromPeerId: FromPeerId,
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ToPeerId: ToPeerId,
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Payload: gatewayResetReq,
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PayloadCRC: 55230,
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PayloadLength: payloadLength,
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PayloadType: PayloadTypeConstant.gatewayReset,
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);
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String serializedBytesString = message.serialize();
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return _hexToBytes(serializedBytesString);
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}
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// 辅助方法：将16进制字符串转换为字节列表
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static List<int> _hexToBytes(String hex) {
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final bytes = <int>[];
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for (int i = 0; i < hex.length; i += 2) {
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bytes.add(int.parse(hex.substring(i, i + 2), radix: 16));
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}
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return bytes;
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}
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static int calculationCrc(payload) {
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var checkSumResult = Crc32.calculate(payload);
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return checkSumResult;
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}
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}
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