private static void InitAccessPoint()
{
AdapterInfo adapter = null;
try
{
if (SecretManager.AccessPointSsid == Common.Helpers.SharedConstants.DEFAULT_AP_SSID)
{
var listAdapters = AdaptersHelper.GetAdapters();
adapter = listAdapters.FindAll(p => p.Type == AdapterType.Wifi).OrderBy(p => p.Name).FirstOrDefault();
if (adapter == null)
{
adapter = listAdapters.OrderBy(p => p.Name).FirstOrDefault();
}
if (adapter == null)
{
throw new Exception("Could not retrieve MAC address");
}
SecretManager.AccessPointSsid = $"{Common.Helpers.SharedConstants.DEFAULT_AP_SSID}_{adapter.RawMAC}";
}
}
catch (Exception e)
{
DebugHelper.LogError($"Could not retrieve MAC address: {e.Message}");
return;
}
DebugHelper.LogInformation($"Access Point Id: {SecretManager.AccessPointSsid}");
if (_AccessPoint != null)
{
StopAccessPoint();
}
_AccessPoint = new OnboardingAccessPoint(SecretManager.AccessPointSsid, SecretManager.AccessPointPassword, AccessPointId);
}
public static List <AdapterInfo> GetAdapters()
{
var adapters = new List <AdapterInfo>();
long structSize = Marshal.SizeOf(typeof(IP_ADAPTER_INFO));
IntPtr pArray = Marshal.AllocHGlobal(new IntPtr(structSize));
int ret = GetAdaptersInfo(pArray, ref structSize);
if (ret == ERROR_BUFFER_OVERFLOW) // ERROR_BUFFER_OVERFLOW == 111
{
// Buffer was too small, reallocate the correct size for the buffer.
pArray = Marshal.ReAllocHGlobal(pArray, new IntPtr(structSize));
ret = GetAdaptersInfo(pArray, ref structSize);
}
if (ret == 0)
{
// Call Succeeded
IntPtr pEntry = pArray;
do
{
var adapter = new AdapterInfo();
// Retrieve the adapter info from the memory address
var entry = (IP_ADAPTER_INFO)Marshal.PtrToStructure(pEntry, typeof(IP_ADAPTER_INFO));
// Adapter Type
switch (entry.Type)
{
case MIB_IF_TYPE_ETHERNET:
adapter.Type = AdapterType.Ethernet;
break;
case MIB_IF_TYPE_TOKENRING:
adapter.Type = AdapterType.TokenRing;
break;
case MIB_IF_TYPE_FDDI:
adapter.Type = AdapterType.FDDI;
break;
case MIB_IF_TYPE_PPP:
adapter.Type = AdapterType.PPP;
break;
case MIB_IF_TYPE_LOOPBACK:
adapter.Type = AdapterType.Loopback;
break;
case MIB_IF_TYPE_SLIP:
adapter.Type = AdapterType.Slip;
break;
case MIB_IF_TYPE_WIFI:
adapter.Type = AdapterType.Wifi;
break;
default:
adapter.Type = AdapterType.Unknown;
break;
} // switch
adapter.Name = entry.AdapterName;
adapter.Description = entry.AdapterDescription;
// MAC Address (data is in a byte[])
adapter.MAC = string.Join("-", Enumerable.Range(0, (int)entry.AddressLength).Select(s => string.Format("{0:X2}", entry.Address[s])));
adapter.RawMAC = string.Join("", Enumerable.Range(0, (int)entry.AddressLength).Select(s => string.Format("{0:X2}", entry.Address[s])));
// Get next adapter (if any)
adapters.Add(adapter);
pEntry = entry.Next;
}while (pEntry != IntPtr.Zero);
Marshal.FreeHGlobal(pArray);
}
else
{
Marshal.FreeHGlobal(pArray);
throw new InvalidOperationException("GetAdaptersInfo failed: " + ret);
}
return(adapters);
}
