refactoring, file packet

MySolution/STcpHelper/Packet/STcpFileReqPacket.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace STcpHelper.Packet
+{
+    public class STcpFileReqPacket : ISTcpPacket
+    {
+        public string Path { get; private set; }
+
+        public STcpFileReqPacket(string path)
+        {
+            this.Path = path;
+        }
+
+        public STcpFileReqPacket(byte[] dataBuffer)
+        {
+            int cursor = 0;
+            int length = SBufferHelper.ConvertBufferToDataLength(dataBuffer, cursor);
+            cursor += sizeof(int);
+
+            this.Path = SEncoding.GetString(dataBuffer, cursor, length);
+        }
+
+        public byte[] Serialize()
+        {
+            byte[] data = SEncoding.GetBytes(this.Path);
+            byte[] dataLength = SBufferHelper.ConvertDataLengthToBuffer(data.Length);
+
+            int dataSize = STcpPacketHeader.GetDataSize(data, dataLength);
+
+            STcpPacketHeader header = new STcpPacketHeader(PacketType.REQ_FILE, dataSize);
+
+            return SBufferHelper.GetBuffer(STcpPacketHeader.HEADER_LENGTH + dataSize, header.Serialize(), dataLength, data);
+        }
+    }
+}