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working tcp (kinda), send still brokey

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This commit is contained in:
rfi
2023-10-10 16:56:08 +07:00
parent 0eacd1bfe2
commit 8c53541d7f
7 changed files with 2279 additions and 10 deletions
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105
AscNet.GameServer/Session.cs
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@@ -1,5 +1,8 @@
using System.Net.Sockets;
using System.Buffers.Binary;
using System.Net.Mail;
using System.Net.Sockets;
using AscNet.Common.Util;
using MessagePack;
namespace AscNet.GameServer
{
@@ -9,7 +12,8 @@ namespace AscNet.GameServer
public readonly TcpClient client;
public readonly Logger c;
private long lastPacketTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
// private ushort packetNo = 0;
private ushort packetNo = 0;
private readonly MessagePackSerializerOptions lz4Options = MessagePackSerializerOptions.Standard.WithCompression(MessagePackCompression.Lz4Block);
public Session(string id, TcpClient tcpClient)
{
@@ -35,7 +39,55 @@ namespace AscNet.GameServer
if (len > 0)
{
lastPacketTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
List<Packet> packets = new();
int readbytes = 0;
while (readbytes < len)
{
int packetLen = BinaryPrimitives.ReadInt32LittleEndian(msg.AsSpan()[readbytes..]);
readbytes += 4;
if (packetLen < 4)
break;
else
{
byte[] packet = GC.AllocateUninitializedArray<byte>(packetLen);
Array.Copy(msg, readbytes, packet, 0, packetLen);
readbytes += packetLen;
Crypto.HaruCrypt.Decrypt(packet);
try
{
packets.Add(MessagePackSerializer.Deserialize<Packet>(packet, lz4Options));
}
catch (Exception)
{
c.Error("Failed to deserialize packet: " + BitConverter.ToString(packet).Replace("-", ""));
}
}
}
foreach (var packet in packets)
{
switch (packet.Type)
{
case Packet.ContentType.Request:
Packet.Request request = MessagePackSerializer.Deserialize<Packet.Request>(packet.Content);
c.Log(request.Name);
PacketFactory.GetPacketHandler(request.Name)?.Invoke(this, request.Content);
break;
case Packet.ContentType.Push:
Packet.Push push = MessagePackSerializer.Deserialize<Packet.Push>(packet.Content);
c.Log(push.Name);
PacketFactory.GetPacketHandler(push.Name)?.Invoke(this, push.Content);
break;
case Packet.ContentType.Exception:
Packet.Exception exception = MessagePackSerializer.Deserialize<Packet.Exception>(packet.Content);
c.Error($"Exception packet received: {exception.Code}, {exception.Message}");
break;
default:
break;
}
}
}
}
@@ -52,6 +104,55 @@ namespace AscNet.GameServer
DisconnectProtocol();
}
public void SendPush<T>(T push)
{
Packet.Push packet = new()
{
Name = typeof(T).Name,
Content = MessagePackSerializer.Serialize(push)
};
Send(new Packet()
{
No = packetNo,
Type = Packet.ContentType.Push,
Content = MessagePackSerializer.Serialize(packet)
});
c.Log(packet.Name);
packetNo++;
}
public void SendResponse<T>(T response)
{
Packet.Response packet = new()
{
Id = 0,
Name = typeof(T).Name,
Content = MessagePackSerializer.Serialize(response)
};
Send(new Packet()
{
No = packetNo,
Type = Packet.ContentType.Response,
Content = MessagePackSerializer.Serialize(packet)
});
c.Log(packet.Name);
packetNo++;
}
private void Send(Packet packet)
{
byte[] serializedPacket = MessagePackSerializer.Serialize(packet, lz4Options);
byte[] sendBytes = GC.AllocateUninitializedArray<byte>(serializedPacket.Length + 4);
BinaryPrimitives.WriteInt32LittleEndian(sendBytes, serializedPacket.Length);
Array.Copy(serializedPacket, 0, sendBytes, 4, serializedPacket.Length);
Crypto.HaruCrypt.Encrypt(sendBytes);
client.GetStream().Write(sendBytes);
}
public void DisconnectProtocol()
{
if (Server.Instance.Sessions.GetValueOrDefault(id) is null)