static string GetErrorDesc()
{
IntPtr p = UDT.GetLastErrorDesc();
string str = Marshal.PtrToStringAnsi(p);
return(str);
}
public void Connect(IPEndPoint remoteEndpoint)
{
CheckAddrVer(remoteEndpoint.AddressFamily);
SockAddr addr = new SockAddr(remoteEndpoint);
E(UDT.Connect(this.handle, ref addr, addr.Size));
}
public void Bind(IPEndPoint localEndpoint)
{
CheckAddrVer(localEndpoint.AddressFamily);
SockAddr addr = new SockAddr(localEndpoint);
E(UDT.Bind(this.handle, ref addr, addr.Size));
}
public void SendBytes(byte[] buf, int length)
{
int len = UDT.SendBytes(this.handle, buf, length, this.ttl, this.inOrder);
if (len != length)
{
throw new UdtException();
}
}
public UdtSocket Accept(out IPEndPoint remoteEndpoint)
{
SockAddr addr;
int addrLen;
UdtSockHandle h = E(UDT.Accept(this.handle, out addr, out addrLen));
Debug.Assert(addrLen == addr.Size);
remoteEndpoint = addr.ToIPEndPoint();
CheckAddrVer(remoteEndpoint.AddressFamily);
return(new UdtSocket(h));
}
public UdtSocket(ProtocolType protocol, SocketType socketType)
{
if (protocol == ProtocolType.IPv4)
{
this.af = AddressFamily.InterNetwork;
}
else if (protocol == ProtocolType.IPv6)
{
this.af = AddressFamily.InterNetworkV6;
}
else
{
throw new ArgumentException("protocol", new NotSupportedException("Only support IPv4 and IPv6"));
}
this.handle = E(UDT.CreateSocket(this.af, socketType, protocol));
}
public UdtException() : base(GetErrorDesc())
{
this.ErrorCode = UDT.GetLastErrorCode();
}
public int Send(byte[] buf, int length)
{
return(UDT.Send(this.handle, buf, length, 0));
}
public void Listen(int backlog)
{
E(UDT.Listen(this.handle, backlog));
}
static UdtSocket()
{
E(UDT.Startup());
}
public void Dispose()
{
UDT.Close(this.handle);
}
public int ReceiveBytes(byte[] buf)
{
return(UDT.RecvBytes(this.handle, buf, buf.Length));
}
public int Receive(byte[] buf)
{
return(UDT.Recv(this.handle, buf, buf.Length, 0));
}