fork from 1.3

2024-01-27 21:06:07 +08:00
commit 22fc0b0848
1507 changed files with 24139 additions and 0 deletions
--- a/FreeSR.Gateserver/Network/Packet/NetPacket.cs
+++ b/FreeSR.Gateserver/Network/Packet/NetPacket.cs
@@ -0,0 +1,77 @@
+namespace FreeSR.Gateserver.Network.Packet
+{
+    using DotNetty.Buffers;
+    using FreeSR.Gateserver.Network.Factory;
+    using ProtoBuf;
+
+    internal class NetPacket
+    {
+        private const uint HeadMagicConst = 0x9d74c714;
+        private const uint TailMagicConst = 0xd7a152c8;
+
+        public int CmdId { get; set; }
+        public int HeadLen { get; set; }
+        public uint HeadMagic { get; set; }
+        public int PacketLen { get; set; }
+        public byte[] RawData { get; set; }
+        public uint TailMagic { get; set; }
+        public object Data { get; set; }
+        public IByteBuffer Buf { get; set; }
+
+        public NetPacket()
+        {
+            // NetPacket.
+        }
+
+        public DeserializationResult Deserialize(IByteBuffer buf)
+        {
+            HeadMagic = buf.ReadUnsignedInt();
+            if (HeadMagic != HeadMagicConst)
+                return DeserializationResult.MAGIC_MISMATCH;
+
+            CmdId = buf.ReadShort();
+            HeadLen = buf.ReadShort();
+            PacketLen = buf.ReadInt();
+
+            if (buf.ReadableBytes < HeadLen + PacketLen + 4)
+                return DeserializationResult.INVALID_LENGTH;
+
+            RawData = new byte[PacketLen];
+
+            _ = buf.ReadBytes(HeadLen);
+            buf.ReadBytes(RawData);
+
+            TailMagic = buf.ReadUnsignedInt();
+            if (TailMagic != TailMagicConst)
+                return DeserializationResult.MAGIC_MISMATCH;
+
+            Data = ProtoFactory.Deserialize(CmdId, RawData);
+
+            return DeserializationResult.SUCC;
+        }
+
+        public void Serialize<T>(IByteBuffer buf) where T : class
+        {
+            var stream = new MemoryStream();
+            Serializer.Serialize(stream, Data as T);
+            RawData = stream.ToArray();
+            PacketLen = RawData.Length;
+
+            buf.WriteUnsignedShort((ushort)(HeadMagicConst >> 16));
+            buf.WriteUnsignedShort(0xc714);
+            buf.WriteShort(CmdId);
+            buf.WriteShort(HeadLen);
+            buf.WriteInt(PacketLen);
+            buf.WriteBytes(RawData);
+            buf.WriteUnsignedShort((ushort)(TailMagicConst >> 16));
+            buf.WriteUnsignedShort(0x52c8);
+        }
+    }
+
+    internal enum DeserializationResult
+    {
+        SUCC = 1,
+        INVALID_LENGTH,
+        MAGIC_MISMATCH
+    }
+}