internal static extern SocketError setsockopt(
[In] SafeCloseSocket socketHandle,
[In] SocketOptionLevel optionLevel,
[In] SocketOptionName optionName,
[In] ref IPv6MulticastRequest mreq,
[In] int optionLength
);
internal static extern SocketError getsockopt(
[In] SafeCloseSocket socketHandle,
[In] SocketOptionLevel optionLevel,
[In] SocketOptionName optionName,
[Out] out IPv6MulticastRequest optionValue,
[In, Out] ref int optionLength
);
/// <devdoc>
/// <para>
/// IPv6 getsockopt for JOIN / LEAVE multicast group
/// </para>
/// </devdoc>
private IPv6MulticastOption getIPv6MulticastOpt(SocketOptionName optionName) {
IPv6MulticastRequest ipmr = new IPv6MulticastRequest();
int optlen = IPv6MulticastRequest.Size;
// This can throw ObjectDisposedException.
SocketError errorCode = UnsafeNclNativeMethods.OSSOCK.getsockopt(
m_Handle,
SocketOptionLevel.IP,
optionName,
out ipmr,
ref optlen);
GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::getIPv6MulticastOpt() UnsafeNclNativeMethods.OSSOCK.getsockopt returns errorCode:" + errorCode);
//
// if the native call fails we'll throw a SocketException
//
if (errorCode==SocketError.SocketError) {
//
// update our internal state after this socket error and throw
//
SocketException socketException = new SocketException();
UpdateStatusAfterSocketError(socketException);
if(s_LoggingEnabled)Logging.Exception(Logging.Sockets, this, "getIPv6MulticastOpt", socketException);
throw socketException;
}
IPv6MulticastOption multicastOption = new IPv6MulticastOption(new IPAddress(ipmr.MulticastAddress),ipmr.InterfaceIndex);
return multicastOption;
}
/// <devdoc>
/// <para>
/// IPv6 setsockopt for JOIN / LEAVE multicast group
/// </para>
/// </devdoc>
private void setIPv6MulticastOption(SocketOptionName optionName, IPv6MulticastOption MR) {
IPv6MulticastRequest ipmr = new IPv6MulticastRequest();
ipmr.MulticastAddress = MR.Group.GetAddressBytes();
ipmr.InterfaceIndex = unchecked((int)MR.InterfaceIndex);
GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::setIPv6MulticastOption(): optionName:" + optionName.ToString() + " MR:" + MR.ToString() + " ipmr:" + ipmr.ToString() + " IPv6MulticastRequest.Size:" + IPv6MulticastRequest.Size.ToString());
// This can throw ObjectDisposedException.
SocketError errorCode = UnsafeNclNativeMethods.OSSOCK.setsockopt(
m_Handle,
SocketOptionLevel.IPv6,
optionName,
ref ipmr,
IPv6MulticastRequest.Size);
GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::setIPv6MulticastOption() UnsafeNclNativeMethods.OSSOCK.setsockopt returns errorCode:" + errorCode);
//
// if the native call fails we'll throw a SocketException
//
if (errorCode==SocketError.SocketError) {
//
// update our internal state after this socket error and throw
//
SocketException socketException = new SocketException();
UpdateStatusAfterSocketError(socketException);
if(s_LoggingEnabled)Logging.Exception(Logging.Sockets, this, "setIPv6MulticastOption", socketException);
throw socketException;
}
}
private IPv6MulticastOption getIPv6MulticastOpt(SocketOptionName optionName)
{
IPv6MulticastRequest optionValue = new IPv6MulticastRequest();
int optionLength = IPv6MulticastRequest.Size;
if (UnsafeNclNativeMethods.OSSOCK.getsockopt(this.m_Handle, SocketOptionLevel.IP, optionName, out optionValue, out optionLength) != SocketError.SocketError)
return new IPv6MulticastOption(new IPAddress(optionValue.MulticastAddress), (long) optionValue.InterfaceIndex);
SocketException socketException = new SocketException();
this.UpdateStatusAfterSocketError(socketException);
if (Socket.s_LoggingEnabled)
Logging.Exception(Logging.Sockets, (object) this, "getIPv6MulticastOpt", (Exception) socketException);
throw socketException;
}
internal static extern SocketError getsockopt([In] SafeCloseSocket socketHandle, [In] SocketOptionLevel optionLevel, [In] SocketOptionName optionName, out IPv6MulticastRequest optionValue, [In, Out] ref int optionLength);
private void setIPv6MulticastOption(SocketOptionName optionName, IPv6MulticastOption MR)
{
IPv6MulticastRequest mreq = new IPv6MulticastRequest {
MulticastAddress = MR.Group.GetAddressBytes(),
InterfaceIndex = (int) MR.InterfaceIndex
};
if (UnsafeNclNativeMethods.OSSOCK.setsockopt(this.m_Handle, SocketOptionLevel.IPv6, optionName, ref mreq, IPv6MulticastRequest.Size) == SocketError.SocketError)
{
SocketException socketException = new SocketException();
this.UpdateStatusAfterSocketError(socketException);
if (s_LoggingEnabled)
{
Logging.Exception(Logging.Sockets, this, "setIPv6MulticastOption", socketException);
}
throw socketException;
}
}