using System.Collections.Immutable;
using System.Text.RegularExpressions;
using Newtonsoft.Json;
namespace LTEMvcApp.Models;
///
/// LTE客户端类 - 对应JavaScript中的lte.client对象
///
public class LTEClient
{
#region 常量定义
///
/// HFN回绕阈值
///
private const int HFN_WRAP_THRESHOLD = 512;
///
/// 最大日志数量
///
private const int LOGS_MAX = 2000000;
#endregion
#region 正则表达式
///
/// PHY层日志正则表达式
///
private static readonly Regex RegExpPhy = new(@"^([a-f0-9\-]+)\s+([a-f0-9\-]+)\s+([\d\.\-]+) (\w+): (.+)", RegexOptions.Compiled);
///
/// 信息1正则表达式
///
private static readonly Regex RegExpInfo1 = new(@"^([\w\-]+): (.+)", RegexOptions.Compiled);
///
/// 信息2正则表达式
///
private static readonly Regex RegExpInfo2 = new(@"^([\w]+) (.+)", RegexOptions.Compiled);
///
/// IP日志正则表达式
///
private static readonly Regex RegExpIP = new(@"^(len=\d+)\s+(\S+)\s+(.*)", RegexOptions.Compiled);
///
/// IPsec日志正则表达式
///
private static readonly Regex RegExpIPsec = new(@"^len=(\d+)\s+(.*)", RegexOptions.Compiled);
///
/// SDU长度正则表达式
///
private static readonly Regex RegExpSDULen = new(@"SDU_len=(\d+)", RegexOptions.Compiled);
///
/// SIP日志正则表达式
///
private static readonly Regex RegExpSIP = new(@"^([:\.\[\]\da-f]+)\s+(\S+) (.+)", RegexOptions.Compiled);
///
/// 媒体请求正则表达式
///
private static readonly Regex RegExpMediaReq = new(@"^(\S+) (.+)", RegexOptions.Compiled);
///
/// 信号记录正则表达式
///
private static readonly Regex RegExpSignalRecord = new(@"Link:\s([\w\d]+)@(\d+)", RegexOptions.Compiled);
///
/// 小区ID正则表达式
///
private static readonly Regex RegExpCellID = new(@"^([a-f0-9\-]+) (.+)", RegexOptions.Compiled);
///
/// RRC UE ID正则表达式
///
private static readonly Regex RegExpRRC_UE_ID = new(@"Changing UE_ID to 0x(\d+)", RegexOptions.Compiled);
///
/// RRC TMSI正则表达式
///
private static readonly Regex RegExpRRC_TMSI = new(@"(5G|m)-TMSI '([\dA-F]+)'H", RegexOptions.Compiled);
///
/// RRC新ID正则表达式
///
private static readonly Regex RegExpRRC_NEW_ID = new(@"newUE-Identity (['\dA-FH]+)", RegexOptions.Compiled);
///
/// RRC CRNTI正则表达式
///
private static readonly Regex RegExpRRC_CRNTI = new(@"c-RNTI '([\dA-F]+)'H", RegexOptions.Compiled);
///
/// NAS TMSI正则表达式
///
private static readonly Regex RegExpNAS_TMSI = new(@"m-TMSI = 0x([\da-f]+)", RegexOptions.Compiled);
///
/// NAS 5G TMSI正则表达式
///
private static readonly Regex RegExpNAS_5GTMSI = new(@"5G-TMSI = 0x([\da-f]+)", RegexOptions.Compiled);
///
/// RRC频段组合正则表达式
///
private static readonly Regex RegExpRRC_BC = new(@"(EUTRA|MRDC|NR|NRDC) band combinations", RegexOptions.Compiled);
///
/// PDCCH正则表达式
///
private static readonly Regex RegExpPDCCH = new(@"^\s*(.+)=(\d+)$", RegexOptions.Compiled);
///
/// S1/NGAP正则表达式
///
private static readonly Regex RegExpS1NGAP = new(@"^([\da-f\-]+)\s+([\da-f\-]+) (([^\s]+) .+)", RegexOptions.Compiled);
///
/// 十六进制转储正则表达式
///
private static readonly Regex RegExpHexDump = new(@"^[\da-f]+:(\s+[\da-f]{2}){1,16}\s+.{1,16}$", RegexOptions.Compiled);
#endregion
#region 基础属性
///
/// 客户端ID
///
public int ClientId { get; set; }
///
/// 客户端名称
///
public string Name { get; set; } = string.Empty;
///
/// 客户端配置
///
public ClientConfig Config { get; set; } = new();
///
/// 客户端状态
///
public ClientState State { get; set; } = ClientState.Stop;
///
/// 版本信息
///
public string? Version { get; set; }
///
/// 许可证信息
///
public string? License { get; set; }
///
/// 模型类型
///
public string? Model { get; set; }
///
/// 是否有信号记录
///
public bool HasSignalRecord { get; set; }
#endregion
#region 日志相关属性
///
/// 日志列表
///
public List Logs { get; set; } = new();
///
/// 日志数量
///
public int LogCount => Logs.Count;
///
/// 是否已过滤
///
public bool Filtered { get; set; }
///
/// 重置标志
///
public bool ResetFlag { get; set; }
#endregion
#region 解析器状态
///
/// 最后HARQ信息
///
public Dictionary> LastHarq { get; set; } = new();
///
/// 最后NB HARQ信息
///
public Dictionary>> LastNbHarq { get; set; } = new();
///
/// 帧信息
///
public FrameInfo Frame { get; set; } = new();
///
/// TMSI到UE ID的映射
///
public Dictionary TmsiToUeId { get; set; } = new();
///
/// RNTI到UE ID的映射
///
public Dictionary RntiToUeId { get; set; } = new();
///
/// UE列表
///
public Dictionary UeList { get; set; } = new();
///
/// 最后时间戳
///
public long LastTimestamp { get; set; }
///
/// 时间戳偏移
///
public long TimestampOffset { get; set; }
///
/// 最后小区
///
public int? LastCell { get; set; }
#endregion
#region 功能标志
///
/// 是否有小区信息
///
public bool HasCell { get; set; }
///
/// 是否有物理层信息
///
public bool HasPhy { get; set; }
///
/// 是否有数据
///
public bool HasData { get; set; }
///
/// 是否有RNTI
///
public bool HasRnti { get; set; }
///
/// 是否有资源块
///
public bool HasRb { get; set; }
#endregion
#region 参数和组件
///
/// 参数信息
///
public Dictionary Parameters { get; set; } = new();
///
/// 组件列表
///
public Dictionary Components { get; set; } = new();
#endregion
#region 依赖注入
///
/// 日志管理器
///
private readonly LogsManager _logsManager;
///
/// 获取日志管理器实例
///
public LogsManager LogsManager => _logsManager;
#endregion
#region 构造函数
public LTEClient(ClientConfig config, LogsManager logsManager)
{
Config = config;
Name = config.Name;
ClientId = GenerateClientId();
_logsManager = logsManager;
ResetParserState();
}
///
/// 使用名称创建客户端
///
/// 客户端名称
/// 日志管理器
public LTEClient(string name, LogsManager logsManager)
{
Config = new ClientConfig { Name = name, Enabled = true };
Name = name;
ClientId = GenerateClientId();
_logsManager = logsManager;
ResetParserState();
}
#endregion
#region 客户端控制方法
///
/// 启动客户端
///
public void Start()
{
SetState(ClientState.Start);
}
///
/// 停止客户端
///
public void Stop()
{
SetState(ClientState.Stop);
}
///
/// 销毁客户端
///
public void Destroy()
{
SetState(ClientState.Destroy);
}
#endregion
#region 日志管理方法
///
/// 重置日志
///
public void ResetLogs()
{
if (LogCount > 0)
{
ResetFlag = true;
Logs.Clear();
ResetParserState();
HasCell = false;
HasPhy = false;
HasData = false;
HasRnti = false;
HasRb = false;
HasSignalRecord = false;
}
}
///
/// 添加日志
///
public void AddLog(LTELog log)
{
// 检查时间戳回绕
var timestamp = log.Timestamp + TimestampOffset;
if (timestamp < LastTimestamp - 100)
{
Console.WriteLine($"Log wrap by {LastTimestamp - timestamp}");
timestamp += 86400000; // 24小时
TimestampOffset += 86400000;
}
LastTimestamp = log.Timestamp = timestamp;
log.Client = this;
log.Id = GenerateLogId();
}
#endregion
#region 工具方法
///
/// 设置头信息
///
public void SetHeaders(string[] headers)
{
// 实现头信息设置逻辑
}
///
/// 初始化模型猜测
///
public void LogModelGuessInit()
{
// 实现模型猜测初始化逻辑
}
///
/// 模型猜测
///
public void LogModelGuess(List> logs)
{
// 实现模型猜测逻辑
}
///
/// 方向转换
///
public int DirConvert(LTELog log)
{
// 实现方向转换逻辑
return 0;
}
///
/// 字符串转ID - 委托给LogsManager
///
public int StringToId(string str)
{
return _logsManager.String2Id(str);
}
///
/// ID转字符串 - 委托给LogsManager
///
public string IdToString(int id)
{
return _logsManager.Id2String(id);
}
#endregion
#region 日志解析方法
///
/// 解析日志列表 - 对应JavaScript的_logListParse方法
///
/// 日志列表
/// 是否为WebSocket消息
public void ParseLogList(List logs, bool isWebSocket = false)
{
var length = logs.Count;
for (int i = 0; i < length; i++)
{
var log = logs[i];
log.Message = log.Message + "";
AddLog(log);
// 解析消息
switch (log.Layer)
{
case "PHY":
if (!ParsePhyLog(log, log.Message, isWebSocket)) continue;
ProcessPhyLog(log);
break;
case "RRC":
ParseCellId(log, isWebSocket);
var rrcUeIdMatch = RegExpRRC_UE_ID.Match(log.Message);
if (rrcUeIdMatch.Success)
{
SetSameUe(log, int.Parse(rrcUeIdMatch.Groups[1].Value, System.Globalization.NumberStyles.HexNumber));
continue;
}
var infoMatch = RegExpInfo1.Match(log.Message);
if (infoMatch.Success)
{
if (!SetLogInfo(log, infoMatch.Groups[1].Value)) continue;
log.Message = infoMatch.Groups[2].Value;
ProcessRrcLog(log);
}
var bcMatch = RegExpRRC_BC.Match(log.Message);
if (bcMatch.Success)
{
try
{
var data = log.GetDataString();
var jsonData = JsonConvert.DeserializeObject