public InterfaceAddress[] GetInterfaceAddresses()
{
List <InterfaceAddress> result = new List <InterfaceAddress>();
IntPtr ifap;
if (getifaddrs(out ifap) != 0)
{
throw new SystemException("getifaddrs() failed");
}
try {
IntPtr next = ifap;
while (next != IntPtr.Zero)
{
ifaddrs addr = (ifaddrs)Marshal.PtrToStructure(next, typeof(ifaddrs));
string name = addr.ifa_name;
if (addr.ifa_addr != IntPtr.Zero)
{
int index = if_nametoindex(name);
sockaddr_in sockaddr = (sockaddr_in)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in));
if (sockaddr.sin_family == AF_INET6)
{
sockaddr_in6 nmask = (sockaddr_in6)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in6));
int prefixLength = GetIPv6PrefixLength(nmask.sin6_addr.u6_addr8);
sockaddr_in6 sockaddr6 = (sockaddr_in6)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in6));
IPAddress address = new IPAddress(sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id);
InterfaceAddress info = new InterfaceAddress(index, name, address, prefixLength);
result.Add(info);
}
else if (sockaddr.sin_family == AF_INET)
{
sockaddr_in netmaskaddr = (sockaddr_in)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in));
IPAddress netmask = new IPAddress(netmaskaddr.in_addr);
IPAddress address = new IPAddress(sockaddr.in_addr);
InterfaceAddress info = new InterfaceAddress(index, name, address, netmask);
result.Add(info);
}
}
next = addr.ifa_next;
}
} finally {
freeifaddrs(ifap);
}
return(result.ToArray());
}
public InterfaceAddress[] GetInterfaceAddresses()
{
IntPtr ifap;
if (getifaddrs(out ifap) != 0) {
throw new SystemException("getifaddrs() failed");
}
List<InterfaceAddress> result = new List<InterfaceAddress>();
try {
IntPtr next = ifap;
while (next != IntPtr.Zero) {
ifaddrs addr = (ifaddrs) Marshal.PtrToStructure(next, typeof(ifaddrs));
string name = addr.ifa_name;
if (addr.ifa_addr != IntPtr.Zero) {
sockaddr_in sockaddr = (sockaddr_in) Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in));
int index = if_nametoindex(name);
if (sockaddr.sin_family == AF_INET6) {
sockaddr_in6 sockaddr6 = (sockaddr_in6) Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in6));
IPAddress address = new IPAddress(sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id);
InterfaceAddress info = new InterfaceAddress(index, name, address, GetPrefixLength(name, address));
result.Add(info);
} else if (sockaddr.sin_family == AF_INET) {
sockaddr_in netmaskaddr = (sockaddr_in)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in));
IPAddress netmask = new IPAddress(netmaskaddr.sin_addr);
IPAddress address = new IPAddress(sockaddr.sin_addr);
InterfaceAddress info = new InterfaceAddress(index, name, address, netmask);
result.Add(info);
}
}
next = addr.ifa_next;
}
} finally {
freeifaddrs(ifap);
}
return result.ToArray();
}
