internal SystemIPInterfaceProperties(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
this.dnsEnabled = fixedInfo.EnableDns;
this.index = ipAdapterAddresses.index;
this.name = ipAdapterAddresses.AdapterName;
this.ipv6Index = ipAdapterAddresses.ipv6Index;
if (this.index > 0)
{
this.versionSupported |= IPVersion.IPv4;
}
if (this.ipv6Index > 0)
{
this.versionSupported |= IPVersion.IPv6;
}
this.mtu = ipAdapterAddresses.mtu;
this.adapterFlags = ipAdapterAddresses.flags;
this.dnsSuffix = ipAdapterAddresses.dnsSuffix;
this.dynamicDnsEnabled = (ipAdapterAddresses.flags & AdapterFlags.DnsEnabled) > 0;
this.multicastAddresses = SystemMulticastIPAddressInformation.ToAddressInformationCollection(ipAdapterAddresses.FirstMulticastAddress);
this.dnsAddresses = SystemIPAddressInformation.ToAddressCollection(ipAdapterAddresses.FirstDnsServerAddress, this.versionSupported);
this.anycastAddresses = SystemIPAddressInformation.ToAddressInformationCollection(ipAdapterAddresses.FirstAnycastAddress, this.versionSupported);
this.unicastAddresses = SystemUnicastIPAddressInformation.ToAddressInformationCollection(ipAdapterAddresses.FirstUnicastAddress);
if (this.ipv6Index > 0)
{
this.ipv6Properties = new SystemIPv6InterfaceProperties(this.ipv6Index, this.mtu);
}
}
// This constructor is for Vista and newer
internal SystemIPInterfaceProperties(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses) {
adapterFlags = ipAdapterAddresses.flags;
dnsSuffix = ipAdapterAddresses.dnsSuffix;
dnsEnabled = fixedInfo.EnableDns;
dynamicDnsEnabled = ((ipAdapterAddresses.flags & AdapterFlags.DnsEnabled) > 0);
multicastAddresses = SystemMulticastIPAddressInformation.ToMulticastIpAddressInformationCollection(
IpAdapterAddress.MarshalIpAddressInformationCollection(ipAdapterAddresses.firstMulticastAddress));
dnsAddresses = IpAdapterAddress.MarshalIpAddressCollection(ipAdapterAddresses.firstDnsServerAddress);
anycastAddresses = IpAdapterAddress.MarshalIpAddressInformationCollection(
ipAdapterAddresses.firstAnycastAddress);
unicastAddresses = SystemUnicastIPAddressInformation.MarshalUnicastIpAddressInformationCollection(
ipAdapterAddresses.firstUnicastAddress);
winsServersAddresses = IpAdapterAddress.MarshalIpAddressCollection(
ipAdapterAddresses.firstWinsServerAddress);
gatewayAddresses = SystemGatewayIPAddressInformation.ToGatewayIpAddressInformationCollection(
IpAdapterAddress.MarshalIpAddressCollection(ipAdapterAddresses.firstGatewayAddress));
dhcpServers = new IPAddressCollection();
if (ipAdapterAddresses.dhcpv4Server.address != IntPtr.Zero)
dhcpServers.InternalAdd(ipAdapterAddresses.dhcpv4Server.MarshalIPAddress());
if (ipAdapterAddresses.dhcpv6Server.address != IntPtr.Zero)
dhcpServers.InternalAdd(ipAdapterAddresses.dhcpv6Server.MarshalIPAddress());
if ((adapterFlags & AdapterFlags.IPv4Enabled) != 0) {
ipv4Properties = new SystemIPv4InterfaceProperties(fixedInfo, ipAdapterAddresses);
}
if ((adapterFlags & AdapterFlags.IPv6Enabled) != 0) {
ipv6Properties = new SystemIPv6InterfaceProperties(ipAdapterAddresses.ipv6Index,
ipAdapterAddresses.mtu, ipAdapterAddresses.zoneIndices);
}
}
internal SystemIPInterfaceProperties(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
this.dnsEnabled = fixedInfo.EnableDns;
this.index = ipAdapterAddresses.index;
this.name = ipAdapterAddresses.AdapterName;
this.ipv6Index = ipAdapterAddresses.ipv6Index;
if (this.index > 0)
{
this.versionSupported |= IPVersion.IPv4;
}
if (this.ipv6Index > 0)
{
this.versionSupported |= IPVersion.IPv6;
}
this.mtu = ipAdapterAddresses.mtu;
this.adapterFlags = ipAdapterAddresses.flags;
this.dnsSuffix = ipAdapterAddresses.dnsSuffix;
this.dynamicDnsEnabled = (ipAdapterAddresses.flags & AdapterFlags.DnsEnabled) > 0;
this.multicastAddresses = SystemMulticastIPAddressInformation.ToAddressInformationCollection(ipAdapterAddresses.FirstMulticastAddress);
this.dnsAddresses = SystemIPAddressInformation.ToAddressCollection(ipAdapterAddresses.FirstDnsServerAddress, this.versionSupported);
this.anycastAddresses = SystemIPAddressInformation.ToAddressInformationCollection(ipAdapterAddresses.FirstAnycastAddress, this.versionSupported);
this.unicastAddresses = SystemUnicastIPAddressInformation.ToAddressInformationCollection(ipAdapterAddresses.FirstUnicastAddress);
if (this.ipv6Index > 0)
{
this.ipv6Properties = new SystemIPv6InterfaceProperties(this.ipv6Index, this.mtu);
}
}
// Vista+
internal SystemIPv4InterfaceProperties(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses) {
index = ipAdapterAddresses.index;
routingEnabled = fixedInfo.EnableRouting;
dhcpEnabled = ((ipAdapterAddresses.flags & AdapterFlags.DhcpEnabled) != 0);
haveWins = (ipAdapterAddresses.firstWinsServerAddress != IntPtr.Zero);
mtu = ipAdapterAddresses.mtu;
GetPerAdapterInfo(ipAdapterAddresses.index);
}
// Vista+
internal SystemIPv4InterfaceProperties(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
index = ipAdapterAddresses.index;
routingEnabled = fixedInfo.EnableRouting;
dhcpEnabled = ((ipAdapterAddresses.flags & AdapterFlags.DhcpEnabled) != 0);
haveWins = (ipAdapterAddresses.firstWinsServerAddress != IntPtr.Zero);
mtu = ipAdapterAddresses.mtu;
GetPerAdapterInfo(ipAdapterAddresses.index);
}
private static SystemNetworkInterface[] GetAdaptersAddresses(AddressFamily family, FixedInfo fixedInfo)
{
uint outBufLen = 0;
SafeLocalFree adapterAddresses = null;
ArrayList list = new ArrayList();
SystemNetworkInterface[] interfaceArray = null;
uint num2 = UnsafeNetInfoNativeMethods.GetAdaptersAddresses(family, 0, IntPtr.Zero, SafeLocalFree.Zero, ref outBufLen);
while (num2 == 0x6f)
{
try
{
adapterAddresses = SafeLocalFree.LocalAlloc((int)outBufLen);
num2 = UnsafeNetInfoNativeMethods.GetAdaptersAddresses(family, 0, IntPtr.Zero, adapterAddresses, ref outBufLen);
if (num2 == 0)
{
IpAdapterAddresses ipAdapterAddresses = (IpAdapterAddresses)Marshal.PtrToStructure(adapterAddresses.DangerousGetHandle(), typeof(IpAdapterAddresses));
list.Add(new SystemNetworkInterface(fixedInfo, ipAdapterAddresses));
while (ipAdapterAddresses.next != IntPtr.Zero)
{
ipAdapterAddresses = (IpAdapterAddresses)Marshal.PtrToStructure(ipAdapterAddresses.next, typeof(IpAdapterAddresses));
list.Add(new SystemNetworkInterface(fixedInfo, ipAdapterAddresses));
}
}
continue;
}
finally
{
if (adapterAddresses != null)
{
adapterAddresses.Close();
}
adapterAddresses = null;
}
}
switch (num2)
{
case 0xe8:
case 0x57:
return(new SystemNetworkInterface[0]);
}
if (num2 != 0)
{
throw new NetworkInformationException((int)num2);
}
interfaceArray = new SystemNetworkInterface[list.Count];
for (int i = 0; i < list.Count; i++)
{
interfaceArray[i] = (SystemNetworkInterface)list[i];
}
return(interfaceArray);
}
internal SystemNetworkInterface(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
this.id = ipAdapterAddresses.AdapterName;
this.name = ipAdapterAddresses.friendlyName;
this.description = ipAdapterAddresses.description;
this.index = ipAdapterAddresses.index;
this.physicalAddress = ipAdapterAddresses.address;
this.addressLength = ipAdapterAddresses.addressLength;
this.type = ipAdapterAddresses.type;
this.operStatus = ipAdapterAddresses.operStatus;
this.ipv6Index = ipAdapterAddresses.ipv6Index;
this.adapterFlags = ipAdapterAddresses.flags;
this.interfaceProperties = new SystemIPInterfaceProperties(fixedInfo, ipAdapterAddresses);
}
internal SystemNetworkInterface(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
this.id = ipAdapterAddresses.AdapterName;
this.name = ipAdapterAddresses.friendlyName;
this.description = ipAdapterAddresses.description;
this.index = ipAdapterAddresses.index;
this.physicalAddress = ipAdapterAddresses.address;
this.addressLength = ipAdapterAddresses.addressLength;
this.type = ipAdapterAddresses.type;
this.operStatus = ipAdapterAddresses.operStatus;
this.ipv6Index = ipAdapterAddresses.ipv6Index;
this.adapterFlags = ipAdapterAddresses.flags;
this.interfaceProperties = new SystemIPInterfaceProperties(fixedInfo, ipAdapterAddresses);
}
// Vista+
internal SystemNetworkInterface(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
//store the common api information
id = ipAdapterAddresses.AdapterName;
name = ipAdapterAddresses.friendlyName;
description = ipAdapterAddresses.description;
index = ipAdapterAddresses.index;
physicalAddress = ipAdapterAddresses.address;
addressLength = ipAdapterAddresses.addressLength;
type = ipAdapterAddresses.type;
operStatus = ipAdapterAddresses.operStatus;
speed = (long)ipAdapterAddresses.receiveLinkSpeed;
//api specific info
ipv6Index = ipAdapterAddresses.ipv6Index;
adapterFlags = ipAdapterAddresses.flags;
interfaceProperties = new SystemIPInterfaceProperties(fixedInfo, ipAdapterAddresses);
}
// This constructor is for Vista and newer
internal SystemIPInterfaceProperties(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses)
{
adapterFlags = ipAdapterAddresses.flags;
dnsSuffix = ipAdapterAddresses.dnsSuffix;
dnsEnabled = fixedInfo.EnableDns;
dynamicDnsEnabled = ((ipAdapterAddresses.flags & AdapterFlags.DnsEnabled) > 0);
multicastAddresses = SystemMulticastIPAddressInformation.ToMulticastIpAddressInformationCollection(
IpAdapterAddress.MarshalIpAddressInformationCollection(ipAdapterAddresses.firstMulticastAddress));
dnsAddresses = IpAdapterAddress.MarshalIpAddressCollection(ipAdapterAddresses.firstDnsServerAddress);
anycastAddresses = IpAdapterAddress.MarshalIpAddressInformationCollection(
ipAdapterAddresses.firstAnycastAddress);
unicastAddresses = SystemUnicastIPAddressInformation.MarshalUnicastIpAddressInformationCollection(
ipAdapterAddresses.firstUnicastAddress);
winsServersAddresses = IpAdapterAddress.MarshalIpAddressCollection(
ipAdapterAddresses.firstWinsServerAddress);
gatewayAddresses = SystemGatewayIPAddressInformation.ToGatewayIpAddressInformationCollection(
IpAdapterAddress.MarshalIpAddressCollection(ipAdapterAddresses.firstGatewayAddress));
dhcpServers = new IPAddressCollection();
if (ipAdapterAddresses.dhcpv4Server.address != IntPtr.Zero)
{
dhcpServers.InternalAdd(ipAdapterAddresses.dhcpv4Server.MarshalIPAddress());
}
if (ipAdapterAddresses.dhcpv6Server.address != IntPtr.Zero)
{
dhcpServers.InternalAdd(ipAdapterAddresses.dhcpv6Server.MarshalIPAddress());
}
if ((adapterFlags & AdapterFlags.IPv4Enabled) != 0)
{
ipv4Properties = new SystemIPv4InterfaceProperties(fixedInfo, ipAdapterAddresses);
}
if ((adapterFlags & AdapterFlags.IPv6Enabled) != 0)
{
ipv6Properties = new SystemIPv6InterfaceProperties(ipAdapterAddresses.ipv6Index,
ipAdapterAddresses.mtu, ipAdapterAddresses.zoneIndices);
}
}
internal static NetworkInterface[] GetNetworkInterfaces()
{
Contract.Ensures(Contract.Result <NetworkInterface[]>() != null);
AddressFamily family = AddressFamily.Unspecified;
uint bufferSize = 0;
SafeLocalFree buffer = null;
FixedInfo fixedInfo = SystemIPGlobalProperties.GetFixedInfo();
List <SystemNetworkInterface> interfaceList = new List <SystemNetworkInterface>();
GetAdaptersAddressesFlags flags =
GetAdaptersAddressesFlags.IncludeGateways
| GetAdaptersAddressesFlags.IncludeWins;
// Figure out the right buffer size for the adapter information
uint result = UnsafeNetInfoNativeMethods.GetAdaptersAddresses(
family, (uint)flags, IntPtr.Zero, SafeLocalFree.Zero, ref bufferSize);
while (result == IpHelperErrors.ErrorBufferOverflow)
{
try {
// Allocate the buffer and get the adapter info
buffer = SafeLocalFree.LocalAlloc((int)bufferSize);
result = UnsafeNetInfoNativeMethods.GetAdaptersAddresses(
family, (uint)flags, IntPtr.Zero, buffer, ref bufferSize);
// If succeeded, we're going to add each new interface
if (result == IpHelperErrors.Success)
{
// Linked list of interfaces
IntPtr ptr = buffer.DangerousGetHandle();
while (ptr != IntPtr.Zero)
{
// Traverse the list, marshal in the native structures, and create new NetworkInterfaces
IpAdapterAddresses adapterAddresses =
(IpAdapterAddresses)Marshal.PtrToStructure(ptr, typeof(IpAdapterAddresses));
interfaceList.Add(new SystemNetworkInterface(fixedInfo, adapterAddresses));
ptr = adapterAddresses.next;
}
}
}
finally {
if (buffer != null)
{
buffer.Close();
}
buffer = null;
}
}
// if we don't have any interfaces detected, return empty.
if (result == IpHelperErrors.ErrorNoData || result == IpHelperErrors.ErrorInvalidParameter)
{
return(new SystemNetworkInterface[0]);
}
// Otherwise we throw on an error
if (result != IpHelperErrors.Success)
{
throw new NetworkInformationException((int)result);
}
return(interfaceList.ToArray());
}
// Vista+
internal SystemNetworkInterface(FixedInfo fixedInfo, IpAdapterAddresses ipAdapterAddresses) {
//store the common api information
id = ipAdapterAddresses.AdapterName;
name = ipAdapterAddresses.friendlyName;
description = ipAdapterAddresses.description;
index = ipAdapterAddresses.index;
physicalAddress = ipAdapterAddresses.address;
addressLength = ipAdapterAddresses.addressLength;
type = ipAdapterAddresses.type;
operStatus = ipAdapterAddresses.operStatus;
speed = (long)ipAdapterAddresses.receiveLinkSpeed;
//api specific info
ipv6Index = ipAdapterAddresses.ipv6Index;
adapterFlags = ipAdapterAddresses.flags;
interfaceProperties = new SystemIPInterfaceProperties(fixedInfo, ipAdapterAddresses);
}