private void HandleReceve(IAsyncResult AR)
{
int packetSize = 0;
try
{
packetSize = NetworkSocket.EndReceive(AR);
}
catch
{
OnDisconnect?.Invoke(this);
return;
}
using (MemoryStream ms = new MemoryStream(PacketBuffer, 0, packetSize))
using (BinaryReader br = new BinaryReader(ms))
{
while (ms.Position != ms.Length)
{
int len = br.ReadInt32();
if (CurrentPacketLength == 0)
{
if (len <= 0)
{
NetworkSocket.BeginReceive(PacketBuffer, 0, PacketBuffer.Length, SocketFlags.None, RetrieveCallback, null);
return;
}
int cur = (int)(ms.Length - ms.Position);
if (cur >= len)
{
OnDataRetrieve?.Invoke(br.ReadBytes(len));
}
else
{
CurrentPacketLength = len;
PacketConstructor.Write(br.ReadBytes(cur), 0, cur);
}
}
else
{
int cur = (int)(ms.Length - ms.Position);
int neededpackets = (int)(CurrentPacketLength - PacketConstructor.Length);
if (cur >= neededpackets)
{
PacketConstructor.Write(br.ReadBytes(neededpackets), 0, neededpackets);
OnDataRetrieve?.Invoke(PacketConstructor.ToArray());
PacketConstructor = new MemoryStream();
}
else
{
PacketConstructor.Write(br.ReadBytes(cur), 0, cur);
}
}
}
}
NetworkSocket.BeginReceive(PacketBuffer, 0, PacketBuffer.Length, SocketFlags.None, RetrieveCallback, null);
}
/// <summary>
/// Uses defagger to receve packets.
/// </summary>
private void ReceiveWithDefragger()
{
NetworkSocket.BeginReceive(Defragger.ReceveBuffer, Defragger.BufferIndex, Defragger.BytesToReceve, SocketFlags.None, out SocketError SE, InternalReceve, null);
if (SE != SocketError.Success)
{
Disconnect(new SocketException());
}
}
public void StartRetrieve()
{
if (RetrieveCallback != null)
{
return;
}
RetrieveCallback = new AsyncCallback(HandleReceve);
NetworkSocket.BeginReceive(PacketBuffer, 0, PacketBuffer.Length, SocketFlags.None, RetrieveCallback, null);
}