///
/// <summary>
/// Creates a socket address from an IP address and a port number.
/// <para>
/// A valid port value is between 0 and 65535.
/// A port number of {@code zero} will let the system pick up an
/// ephemeral port in a {@code bind} operation.
/// <P>
/// A {@code null} address will assign the <i>wildcard</i> address.
/// </para>
/// <para>
/// </para>
/// </summary>
/// <param name="addr"> The IP address </param>
/// <param name="port"> The port number </param>
/// <exception cref="IllegalArgumentException"> if the port parameter is outside the specified
/// range of valid port values. </exception>
public InetSocketAddress(InetAddress addr, int port)
{
Holder = new InetSocketAddressHolder(null, addr == null ? InetAddress.AnyLocalAddress() : addr, CheckPort(port));
}
/// <summary>
/// Creates a socket address where the IP address is the wildcard address
/// and the port number a specified value.
/// <para>
/// A valid port value is between 0 and 65535.
/// A port number of {@code zero} will let the system pick up an
/// ephemeral port in a {@code bind} operation.
/// </para>
/// <para>
/// </para>
/// </summary>
/// <param name="port"> The port number </param>
/// <exception cref="IllegalArgumentException"> if the port parameter is outside the specified
/// range of valid port values. </exception>
public InetSocketAddress(int port) : this(InetAddress.AnyLocalAddress(), port)
{
}