/// <summary>
/// 接受处理回调
/// </summary>
/// <param name="e">操作对象</param>
private void ProcessReceive(SocketAsyncEventArgs e)
{
AsyncUserToken userToken = (AsyncUserToken)e.UserToken;
int offset = userToken.ReceiveEventArgs.Offset;
int count = userToken.ReceiveEventArgs.BytesTransferred;
int endOffset = offset + count;
byte[] Buffer = userToken.ReceiveEventArgs.Buffer;
if (count > 0 && userToken.ReceiveEventArgs.SocketError == SocketError.Success)
{
Interlocked.Add(ref TotalBytesRead, (uint)e.BytesTransferred);
try
{
Block block = new Block(Buffer, offset);
BaseProtocol baseProtocol = new BaseProtocol();
do
{
baseProtocol.Analyze(block);
if (baseProtocol.PacketId == 0)
{
if (baseProtocol.PacketSize > 3)
{
if (userToken.StartLogin)
{
Login login = baseProtocol.Resolve <Login>();
if (Program.WhiteList)
{
UserModel userModel = databaseManager.FindPlayer(login.Name);
if (userModel == null)
{
userToken.Kick(Program.NoFind);
break;
}
else
{
if (userModel.End_at < DateTime.Now)
{
userToken.Kick(Program.IsEnd);
break;
}
}
userToken.EndTime = userModel.End_at;
}
userToken.Tunnel(this);
userToken.PlayerName = login.Name;
userToken.tunnel.Login(login.Name, userToken.ProtocolVersion, userToken.IsForge);
Online.Add(userToken.PlayerName, userToken);
}
else
{
Handshake handshake = baseProtocol.Resolve <Handshake>();
userToken.ProtocolVersion = handshake.ProtocolVersion;
if (handshake.NextState == NextState.login)
{
if (handshake.ServerAddress.IndexOf("FML") > 0)
{
userToken.IsForge = true;
}
userToken.StartLogin = true;
}
else
{
userToken.StartLogin = false;
}
}
}
else
{
// 开始处理本次收到的数据包
SocketAsyncEventArgs sendPacket = new SocketAsyncEventArgs();
Response response = new Response("1.8.9", userToken.ProtocolVersion);
response.players.online = Online.Count;
response.players.max = Program.MaxConnections;
response.players.sample = new List <SampleItem>();
response.description.text = Program.QueryConfig.Motd;
response.favicon = "";
using (Block temp = new Block())
{
temp.WriteInt(0);
temp.WriteString(JsonSerializer.Serialize(response), true);
byte[] buffer = temp.GetBytes();
using (MemoryStream memoryStream = new MemoryStream())
{
memoryStream.WriteInt(buffer.Length);
memoryStream.Write(buffer);
sendPacket.SetBuffer(memoryStream.GetBuffer(), 0, (int)memoryStream.Position);
userToken.ServerSocket.SendAsync(sendPacket);
}
// Console.Out.WriteLine("New player.");
}
}
}
else if (baseProtocol.PacketId == 1)
{
SocketAsyncEventArgs sendPacket = new SocketAsyncEventArgs();
Pong pong = baseProtocol.Resolve <Pong>();
using (Block temp = new Block())
{
temp.WriteInt(1);
temp.WriteLong(pong.Payload);
byte[] buffer = temp.GetBytes();
using (MemoryStream memoryStream = new MemoryStream())
{
memoryStream.WriteInt(buffer.Length);
memoryStream.Write(buffer);
sendPacket.SetBuffer(memoryStream.GetBuffer(), 0, (int)memoryStream.Position);
}
// Console.Out.WriteLine("New Ping.");
userToken.ServerSocket.SendAsync(sendPacket);
}
}
} while (baseProtocol.block.step < endOffset);
}
catch (Exception ex)
{
}
// 准备下次接收数据
bool willRaiseEvent = userToken.ServerSocket.ReceiveAsync(userToken.ReceiveEventArgs); //投递接收请求
if (!willRaiseEvent)
{
ProcessReceive(userToken.ReceiveEventArgs);
}
}
else
{
CloseClientSocket(e);
}
}