public override object GetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName)
{
if (optionLevel == SocketOptionLevel.Socket && optionName == SocketOptionName.Linger)
{
return((object)this.GetLingerOpt());
}
if (optionLevel == SocketOptionLevel.IP && (optionName == SocketOptionName.AddMembership || optionName == SocketOptionName.DropMembership))
{
return((object)this.GetMulticastOpt(optionName));
}
if (optionLevel == SocketOptionLevel.IPv6 && (optionName == SocketOptionName.AddMembership || optionName == SocketOptionName.DropMembership))
{
return((object)this.GetIPv6MulticastOpt(optionName));
}
int optionValue = 0;
int optionLength = 4;
if (UnsafeMethods.getsockopt(Handle, optionLevel, optionName, out optionValue, ref optionLength) != SocketError.SocketError)
{
return(optionValue);
}
else
{
throw new SocketException();
}
}
public override void GetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, byte[] optionValue)
{
int optionLength = optionValue != null ? optionValue.Length : 0;
if (UnsafeMethods.getsockopt(this.Handle, optionLevel, optionName, optionValue, ref optionLength) == SocketError.SocketError)
{
throw new SocketException();
}
}
public override byte[] GetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, int optionLength)
{
byte[] optionValue = new byte[optionLength];
int optionLength1 = optionLength;
if (UnsafeMethods.getsockopt(Handle, optionLevel, optionName, optionValue, ref optionLength1) != SocketError.SocketError)
{
if (optionLength != optionLength1)
{
byte[] numArray = new byte[optionLength1];
Buffer.BlockCopy(optionValue, 0, numArray, 0, optionLength1);
optionValue = numArray;
}
return(optionValue);
}
else
{
throw new SocketException();
}
}