U:调整结构性目录

src/NetVizor.Backend/Utils.ETW/Models/NetModel.cs

@@ -0,0 +1,159 @@
+using System.Net;
+
+namespace Utils.ETW.Models;
+
+/// <summary>
+/// 网络事件公共数据结构定义
+/// </summary>
+public class NetworkEventData
+{
+    /// <summary>
+    /// 记录产生时间
+    /// </summary>
+    public DateTime Timestamp { get; set; }
+
+    /// <summary>
+    /// 事件类型
+    /// </summary>
+    public string EventType { get; set; }
+
+    /// <summary>
+    /// 进程 ID 
+    /// </summary>
+    public int ProcessId { get; set; }
+
+    public int ThreadId { get; set; }
+    public string ProcessName { get; set; }
+    public IPAddress SourceIp { get; set; }
+    public IPAddress DestinationIp { get; set; }
+
+    /// <summary>
+    /// 源端口
+    /// </summary>
+    public int SourcePort { get; set; }
+
+    /// <summary>
+    /// 目标端口
+    /// </summary>
+    public int DestinationPort { get; set; }
+
+    public string Protocol { get; set; }
+    public int DataLength { get; set; }
+    public TrafficDirection Direction { get; set; } // Inbound/Outbound
+    public Dictionary<string, object> AdditionalProperties { get; set; }
+
+    public NetworkEventData()
+    {
+        AdditionalProperties = new Dictionary<string, object>();
+    }
+}
+
+/// <summary>
+/// TCP 连接数据配置
+/// </summary>
+public class TcpConnectionSession : NetworkEventData
+{
+    public long ConnectionId { get; set; }
+
+    /// <summary>
+    /// 开始时间
+    /// </summary>
+    public DateTime StartTime { get; set; }
+
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 发送的字节数
+    /// </summary>
+    public long BytesSent { get; set; }
+
+    public long BytesReceived { get; set; }
+
+    /// <summary>
+    /// 持续时间
+    /// </summary>
+    public TimeSpan Duration => (EndTime ?? DateTime.Now) - StartTime;
+
+    public List<string> Events { get; set; } = new List<string>();
+}
+
+/// <summary>
+/// TCP连接事件数据
+/// </summary>
+public class TcpConnectionEventData : NetworkEventData
+{
+    /// <summary>
+    /// 连接状态
+    /// </summary>
+    public string ConnectionState { get; set; } // ESTABLISHED, CLOSED, LISTEN等
+    public long ConnectionId { get; set; }
+    /// <summary>
+    /// 顺序
+    /// </summary>
+    public int SequenceNumber { get; set; }
+    public int AcknowledgmentNumber { get; set; }
+    public int WindowSize { get; set; }
+    public string TcpFlags { get; set; }
+}
+
+/// <summary>
+/// UDP数据包事件数据
+/// </summary>
+public class UdpPacketEventData : NetworkEventData
+{
+    public int UdpLength { get; set; }
+    public int Checksum { get; set; }
+}
+
+// DNS查询事件数据
+public class DnsEventData : NetworkEventData
+{
+    public string QueryName { get; set; }
+    public string QueryType { get; set; }
+    public string ResponseCode { get; set; }
+    public List<string> ResolvedAddresses { get; set; }
+    public int QueryId { get; set; }
+
+    public DnsEventData()
+    {
+        ResolvedAddresses = new List<string>();
+    }
+}
+
+// HTTP事件数据
+public class HttpEventData : NetworkEventData
+{
+    public string HttpMethod { get; set; }
+    public string Url { get; set; }
+    public int StatusCode { get; set; }
+    public string UserAgent { get; set; }
+    public string Host { get; set; }
+    public Dictionary<string, string> Headers { get; set; }
+    public long ContentLength { get; set; }
+
+    public HttpEventData()
+    {
+        Headers = new Dictionary<string, string>();
+    }
+}
+
+// 网络接口事件数据
+public class NetworkInterfaceEventData : NetworkEventData
+{
+    public string InterfaceName { get; set; }
+    public string InterfaceType { get; set; }
+    public string MacAddress { get; set; }
+    public string InterfaceState { get; set; } // Up/Down
+    public long BytesSent { get; set; }
+    public long BytesReceived { get; set; }
+    public long PacketsSent { get; set; }
+    public long PacketsReceived { get; set; }
+}
+
+// 网络错误事件数据
+public class NetworkErrorEventData : NetworkEventData
+{
+    public int ErrorCode { get; set; }
+    public string ErrorDescription { get; set; }
+    public string ErrorCategory { get; set; }
+}