internal static unsafe void GetSockaddrInet(IPEndPointStruct inetAddress, sockaddr_storage *addr, out int length)
{
if (inetAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
sockaddr_in *addrIn = (sockaddr_in *)addr;
addrIn->sin_family = AF_INET;
addrIn->sin_port = htons((ushort)inetAddress.Port);
int bytesWritten;
inetAddress.Address.TryWriteBytes(new Span <byte>(addrIn->sin_addr.s_addr, 4), out bytesWritten);
length = SizeOf.sockaddr_in;
}
else if (inetAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)
{
sockaddr_in6 *addrIn = (sockaddr_in6 *)addr;
addrIn->sin6_family = AF_INET6;
addrIn->sin6_port = htons((ushort)inetAddress.Port);
addrIn->sin6_flowinfo = 0;
addrIn->sin6_scope_id = 0;
int bytesWritten;
inetAddress.Address.TryWriteBytes(new Span <byte>(addrIn->sin6_addr.s6_addr, 16), out bytesWritten);
length = SizeOf.sockaddr_in6;
}
else
{
length = 0;
}
}
public SOCKADDR_STORAGE get_sockaddr_storage(socklen_t *len = NULL)
{
SOCKADDR_STORAGE sa;
const byte family = get_family();
if (family == AF_INET)
{
sockaddr_in *sin = (sockaddr_in *)&sa;
if (len)
{
*len = sizeof(sockaddr_in);
}
memset(sin, 0, sizeof(sockaddr_in));
sin.sin_family = family;
sin.sin_port = htons(_port);
sin.sin_addr.s_addr = _sin4;
}
else
{
sockaddr_in6 *sin6 = (sockaddr_in6 *)&sa;
memset(sin6, 0, sizeof(sockaddr_in6));
if (len)
{
*len = sizeof(sockaddr_in6);
}
sin6.sin6_family = family;
sin6.sin6_addr = _in._in6addr;
sin6.sin6_port = htons(_port);
}
return(sa);
}
private static unsafe bool ToIPEndPointStruct(sockaddr_storage *addr, out IPEndPointStruct ep, IPAddress reuseAddress = null)
{
if (addr->ss_family == AF_INET)
{
sockaddr_in *addrIn = (sockaddr_in *)addr;
long value = ((addrIn->sin_addr.s_addr[3] << 24 | addrIn->sin_addr.s_addr[2] << 16 | addrIn->sin_addr.s_addr[1] << 8 | addrIn->sin_addr.s_addr[0]) & 0x0FFFFFFFF);
#pragma warning disable CS0618 // 'IPAddress.Address' is obsolete
bool matchesReuseAddress = reuseAddress != null && reuseAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork && reuseAddress.Address == value;
#pragma warning restore CS0618
int port = ntohs(addrIn->sin_port);
ep = new IPEndPointStruct(matchesReuseAddress ? reuseAddress : new IPAddress(value), port);
return(true);
}
else if (addr->ss_family == AF_INET6)
{
sockaddr_in6 *addrIn = (sockaddr_in6 *)addr;
// We can't check if we can use reuseAddress without allocating.
const int length = 16;
var bytes = new byte[length];
for (int i = 0; i < length; i++)
{
bytes[i] = addrIn->sin6_addr.s6_addr[i];
}
int port = ntohs(addrIn->sin6_port);
ep = new IPEndPointStruct(new IPAddress(bytes, addrIn->sin6_scope_id), port);
return(true);
}
else
{
ep = default(IPEndPointStruct);
return(false);
}
}
public static unsafe IPEndPoint AddrToIpEndPoint(sockaddr_storage *addr)
{
if (addr->ss_family == AF_INET)
{
sockaddr_in *addrIn = (sockaddr_in *)addr;
long value = ((addrIn->sin_addr.s_addr[3] << 24 | addrIn->sin_addr.s_addr[2] << 16 | addrIn->sin_addr.s_addr[1] << 8 | addrIn->sin_addr.s_addr[0]) & 0x0FFFFFFFF);
int port = ntohs(addrIn->sin_port);
return(new IPEndPoint(new IPAddress(value), port));
}
if (addr->ss_family == AF_INET6)
{
sockaddr_in6 *addrIn = (sockaddr_in6 *)addr;
// We can't check if we can use reuseAddress without allocating.
const int length = 16;
var bytes = new byte[length];
for (int i = 0; i < length; i++)
{
bytes[i] = addrIn->sin6_addr.s6_addr[i];
}
int port = ntohs(addrIn->sin6_port);
return(new IPEndPoint(new IPAddress(bytes, addrIn->sin6_scope_id), port));
}
throw new NotSupportedException();
}
public static unsafe void ToSockAddr(this IPEndPoint ipEndPoint, sockaddr_storage *addr, out int length)
{
if (ipEndPoint.AddressFamily == AddressFamily.InterNetwork)
{
sockaddr_in *addrIn = (sockaddr_in *)addr;
addrIn->sin_family = AF_INET;
addrIn->sin_port = htons((ushort)ipEndPoint.Port);
int bytesWritten;
ipEndPoint.Address.TryWriteBytes(new Span <byte>(addrIn->sin_addr.s_addr, 4), out bytesWritten);
length = SizeOf.sockaddr_in;
}
else if (ipEndPoint.AddressFamily == AddressFamily.InterNetworkV6)
{
sockaddr_in6 *addrIn = (sockaddr_in6 *)addr;
addrIn->sin6_family = AF_INET6;
addrIn->sin6_port = htons((ushort)ipEndPoint.Port);
addrIn->sin6_flowinfo = 0;
addrIn->sin6_scope_id = 0;
int bytesWritten;
ipEndPoint.Address.TryWriteBytes(new Span <byte>(addrIn->sin6_addr.s6_addr, 16), out bytesWritten);
length = SizeOf.sockaddr_in6;
}
else
{
length = 0;
}
}
public static unsafe IPEndPoint AddrToIpEndPoint(sockaddr_storage *addr)
{
if (addr->ss_family == AF_INET)
{
sockaddr_in *addrIn = (sockaddr_in *)addr;
long value = ((addrIn->sin_addr.s_addr[3] << 24 | addrIn->sin_addr.s_addr[2] << 16 | addrIn->sin_addr.s_addr[1] << 8 | addrIn->sin_addr.s_addr[0]) & 0x0FFFFFFFF);
int port = ntohs(addrIn->sin_port);
return(new IPEndPoint(new IPAddress(value), port));
}
else if (addr->ss_family == AF_INET6)
{
sockaddr_in6 *addrIn = (sockaddr_in6 *)addr;
Span <byte> bytes = stackalloc byte[16];
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = addrIn->sin6_addr.s6_addr[i];
}
int port = ntohs(addrIn->sin6_port);
return(new IPEndPoint(new IPAddress(bytes, addrIn->sin6_scope_id), port));
}
else
{
ThrowHelper.ThrowNewNotSupportedException_AddressFamilyNotSupported();
return(null);
}
}
private static unsafe void EndPoint6ToSockAddr(IPEndPoint inet6Address, sockaddr_storage *addr, out int length)
{
sockaddr_in6 *addrIn = (sockaddr_in6 *)addr;
addrIn->sin6_family = AF_INET6;
addrIn->sin6_port = htons((ushort)inet6Address.Port);
addrIn->sin6_flowinfo = 0;
addrIn->sin6_scope_id = 0;
inet6Address.Address.TryWriteBytes(new Span <byte>(addrIn->sin6_addr.s6_addr, 16), out _);
length = SizeOf.sockaddr_in6;
}
void set(SOCKADDR_STORAGE *sa, socklen_t len)
{
if (sa.ss_family == AF_INET)
{
assert(len >= sizeof(sockaddr_in));
const sockaddr_in *sin = (sockaddr_in *)sa;
_sin6w[0] = 0;
_sin6w[1] = 0;
_sin6w[2] = 0;
_sin6w[3] = 0;
_sin6w[4] = 0;
_sin6w[5] = 0xffff;
_sin4 = sin.sin_addr.s_addr;
_port = ntohs(sin.sin_port);
}
else
{
assert(len >= sizeof(sockaddr_in6));
const sockaddr_in6 *sin6 = (sockaddr_in6 *)sa;
_in._in6addr = sin6.sin6_addr;
_port = ntohs(sin6.sin6_port);
}
}
