public void ConstructorSetsProperties()
{
WirelessZeroConfigNetworkInterface wirelessZeroConfigNI = new WirelessZeroConfigNetworkInterface(0, "Config1");
AccessPointCollection target = new AccessPointCollection(wirelessZeroConfigNI, false);
Assert.AreEqual <WirelessZeroConfigNetworkInterface>(wirelessZeroConfigNI, target.AssociatedAdapter, "Constructor did not set AssociatedAdapter property correctly");
}
internal AccessPointCollection(WirelessZeroConfigNetworkInterface a)
{
if (a == null)
{
throw new ArgumentNullException();
}
m_adapter = a;
this.RefreshList(true);
}
internal AccessPointCollection(WirelessZeroConfigNetworkInterface intf, bool nearbyOnly)
{
if (intf == null)
{
throw new ArgumentNullException();
}
m_adapter = intf;
this.RefreshListPreferred(nearbyOnly);
}
public void ConstructorValidWirelessZeroConfigNetworkInterface()
{
WirelessZeroConfigNetworkInterface wirelessZeroConfigNI = new WirelessZeroConfigNetworkInterface(0, "Config1");
AccessPointCollection target = null;
Exception caughtException = null;
try
{
target = new AccessPointCollection(wirelessZeroConfigNI);
}
catch (Exception ex)
{
caughtException = ex;
}
Assert.IsNull(caughtException, "Constructor threw exception. AccessPointCollection was not constructed successfully");
}
/// <summary>
/// Returns objects that describe the network interfaces on the local computer.
/// </summary>
/// <returns>
/// A System.Net.NetworkInformation.NetworkInterface array that contains objects
/// that describe the available network interfaces, or an empty array if no interfaces
/// are detected.
/// </returns>
public unsafe static INetworkInterface[] GetAllNetworkInterfaces()
{
NetworkInterface[] interfaceList;
uint size;
// get buffer size requirement
NativeMethods.GetInterfaceInfo(null, out size);
byte[] ifTable = new byte[size];
// pin the table buffer
fixed(byte *pifTable = ifTable)
{
byte *p = pifTable;
/* table looks like this:
* typedef struct _IP_INTERFACE_INFO {
* LONG NumAdapters;
* IP_ADAPTER_INDEX_MAP Adapter[1];
* } IP_INTERFACE_INFO, *PIP_INTERFACE_INFO;
*
* typedef struct _IP_ADAPTER_INDEX_MAP {
* ULONG Index;
* WCHAR Name [MAX_ADAPTER_NAME];
* } IP_ADAPTER_INDEX_MAP, *PIP_ADAPTER_INDEX_MAP;
*/
// get the table data
NativeMethods.GetInterfaceInfo(pifTable, out size);
// get interface count
int interfaceCount = *p;
interfaceList = new NetworkInterface[interfaceCount];
p += 4;
// get each interface
for (int i = 0; i < interfaceCount; i++)
{
// get interface index
int index = (int)*((int *)p);
p += 4;
// get interface name
byte[] nameBytes = new byte[256];
Marshal.Copy(new IntPtr(p), nameBytes, 0, nameBytes.Length);
string name = Encoding.Unicode.GetString(nameBytes, 0, nameBytes.Length);
int nullIndex = name.IndexOf('\0');
if (nullIndex > 0)
{
name = name.Substring(0, nullIndex);
}
p += 256;
// check the wireless capabilities
try
{
NDISUIO.QueryOID(NDIS_OID.WEP_STATUS, name);
// didn't throw, so it's wireless - determinine if it's WZC compatible
INTF_ENTRY entry;
if (WZC.QueryAdapter(name, out entry) == NativeMethods.NO_ERROR)
{
// this is a WZC wireless adapter
interfaceList[i] = new WirelessZeroConfigNetworkInterface(index, name);
}
else
{
// this is a non-WZC wireless adapter
interfaceList[i] = new WirelessNetworkInterface(index, name);
}
entry.Dispose();
}
catch
{
// if it's not wireless, it will throw and end up here
interfaceList[i] = new NetworkInterface(index, name);
}
}
}
return(interfaceList);
}
