internal static StringBuilder IPv6AddressToStringHelper(ushort[] address, uint scopeId)
{
const int INET6_ADDRSTRLEN = 65;
StringBuilder buffer = StringBuilderCache.Acquire(INET6_ADDRSTRLEN);
if (IPv6AddressHelper.ShouldHaveIpv4Embedded(address))
{
// We need to treat the last 2 ushorts as a 4-byte IPv4 address,
// so output the first 6 ushorts normally, followed by the IPv4 address.
AppendSections(address, 0, 6, buffer);
if (buffer[buffer.Length - 1] != ':')
{
buffer.Append(':');
}
buffer.Append(IPAddressParser.IPv4AddressToString(ExtractIPv4Address(address)));
}
else
{
// No IPv4 address. Output all 8 sections as part of the IPv6 address
// with normal formatting rules.
AppendSections(address, 0, 8, buffer);
}
// If there's a scope ID, append it.
if (scopeId != 0)
{
buffer.Append('%').Append(scopeId);
}
return(buffer);
}
/// <devdoc>
/// <para>
/// Converts the Internet address to either standard dotted quad format
/// or standard IPv6 representation.
/// </para>
/// </devdoc>
public override string ToString()
{
if (_toString == null)
{
_toString = IsIPv4 ?
IPAddressParser.IPv4AddressToString(PrivateAddress) :
IPAddressParser.IPv6AddressToString(_numbers, PrivateScopeId);
}
return(_toString);
}
/// <devdoc>
/// <para>
/// Converts the Internet address to either standard dotted quad format
/// or standard IPv6 representation.
/// </para>
/// </devdoc>
public override string ToString()
{
if (_toString == null)
{
_toString = IsIPv4 ?
IPAddressParser.IPv4AddressToString(GetAddressBytes()) :
IPAddressParser.IPv6AddressToString(GetAddressBytes(), PrivateScopeId);
}
return(_toString);
}
/// <devdoc>
/// <para>
/// Converts the Internet address to either standard dotted quad format
/// or standard IPv6 representation.
/// </para>
/// </devdoc>
public override string ToString()
{
if (StringRepresentation == null)
{
// IPv6 Changes: generate the IPV6 representation
if (_family == AddressFamily.InterNetworkV6)
{
StringRepresentation = IPAddressParser.IPv6AddressToString(this.GetAddressBytes(), (UInt32)_scopeId);
}
else
{
StringRepresentation = IPAddressParser.IPv4AddressToString(this.GetAddressBytes());
}
}
return(StringRepresentation);
}
public bool TryFormat(Span <char> destination, out int charsWritten)
{
return(IsIPv4 ?
IPAddressParser.IPv4AddressToString(PrivateAddress, destination, out charsWritten) :
IPAddressParser.IPv6AddressToString(_numbers, PrivateScopeId, destination, out charsWritten));
}
/// <devdoc> /// <para> /// Converts the Internet address to either standard dotted quad format /// or standard IPv6 representation. /// </para> /// </devdoc> public override string ToString() => _toString ??= IsIPv4? IPAddressParser.IPv4AddressToString(PrivateAddress) : IPAddressParser.IPv6AddressToString(_numbers !, PrivateScopeId);
