//public void SaveToJSON(List<WifiNetworkDto> wifiNetworks)
//{
// JsonSerializerSettings settings = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.All };
// string str = JsonConvert.SerializeObject(wifiNetworks, settings);
// var filePathJSON = string.Format(filePathTemplateJSON, DateTime.Now.ToString("yyyyMMdd-HHmm"));
// System.IO.File.WriteAllText(filePathJSON, str);
//}
public async Task <WifiConnectionInfo> ConnectAsync(WifiNetworkDto network)
{
WifiConnectionInfo info2 = null;
info2 = TryConnectViaMethod(network);
if (info2 != null)
{
var coords = await GetCoordsAsync();
if (coords != null)
{
info2.FirstCoordLat = coords.Item1;
info2.FirstCoordLong = coords.Item2;
info2.FirstCoordAlt = coords.Item3;
info2.FirstConnectWhen = DateTime.Now;
}
info2.RouterWebUIIP = "http://" + info2.RouterWebUIIP;
}
return(info2);
}
public void TryUpdateFirstConnectionInfo(WifiConnectionInfo info2)
{
// write data about first connection only if it has not been written yet
if (FirstConnectWhen == null)
{
FirstConnectWhen = info2.FirstConnectWhen;
}
if (string.IsNullOrEmpty(FirstConnectMac))
{
FirstConnectMac = info2.FirstConnectMac;
}
if (string.IsNullOrEmpty(FirstConnectPublicIP))
{
}
if (!FirstCoordLat.HasValue)
{
FirstCoordLat = info2.FirstCoordLat;
FirstCoordLong = info2.FirstCoordLong;
FirstCoordAlt = info2.FirstCoordAlt;
}
// always actualize info about Web UI
RouterWebUIIP = info2.RouterWebUIIP;
}
WifiConnectionInfo TryConnectViaMethod(WifiNetworkDto dto)
{
string bssid = dto.BssID;
string ssid = dto.Name;
string password = dto.Password;
var formattedSsid = $"\"{ssid}\"";
var formattedPassword = $"\"{password}\"";
WifiConnectionInfo info2 = null;
var wifiConfig = new WifiConfiguration
{
Bssid = bssid,
Ssid = formattedSsid,
Priority = Constants.WIFI_CONFIG_PRIORITY
};
if (dto.NetworkType.Contains("[WEP]"))
{
// for WEP
wifiConfig.WepKeys[0] = formattedPassword;
wifiConfig.WepTxKeyIndex = 0;
wifiConfig.AllowedKeyManagement.Set((int)KeyManagementType.None);
wifiConfig.AllowedProtocols.Set((int)Android.Net.Wifi.ProtocolType.Rsn);
wifiConfig.AllowedGroupCiphers.Set((int)Android.Net.Wifi.GroupCipherType.Wep40);
wifiConfig.AllowedProtocols.Set((int)Android.Net.Wifi.ProtocolType.Wpa);
wifiConfig.AllowedGroupCiphers.Set((int)Android.Net.Wifi.GroupCipherType.Wep104);
}
else
if (dto.NetworkType.Contains("[WPA"))
{
//wifiConfig.AllowKeyManagement.Set((int)KeyManagementType.WpaPsk);
wifiConfig.PreSharedKey = formattedPassword;
}
else
{
// open networks
wifiConfig.AllowedProtocols.Set((int)Android.Net.Wifi.ProtocolType.Rsn);
wifiConfig.AllowedKeyManagement.Set((int)KeyManagementType.None);
}
var wifiManager = (WifiManager)Android.App.Application.Context.GetSystemService(Android.Content.Context.WifiService);
var connManager = (ConnectivityManager)Android.App.Application.Context.GetSystemService(Android.Content.Context.ConnectivityService);
var ni1 = connManager.ActiveNetworkInfo;
if (ni1 != null && ni1.IsConnected && ni1.Type == ConnectivityType.Wifi)
{
//WifiConnectionInfo info = new WifiConnectionInfo
//{
// FirstConnectMac = wifiManager.ConnectionInfo.MacAddress,
//};
return(null);
}
else
{
wifiManager.SetWifiEnabled(true);
var addNetworkIdx = wifiManager.AddNetwork(wifiConfig);
var bd = wifiManager.Disconnect();
var enableNetwork = wifiManager.EnableNetwork(addNetworkIdx, true);
var brc = wifiManager.Reconnect();
DhcpInfo dhcpInfo = wifiManager.DhcpInfo;
//byte[] ipAddress = BitConverter.GetBytes(dhcpInfo.Gateway);
int gwip = wifiManager.DhcpInfo.Gateway;
Task.Delay(500);
gwip = wifiManager.DhcpInfo.Gateway;
var gwAddr = (gwip & 0xFF) + "." +
((gwip >> 8) & 0xFF) + "." +
((gwip >> 16) & 0xFF) + "." +
((gwip >> 24) & 0xFF);
info2 = new WifiConnectionInfo
{
FirstConnectMac = wifiManager.ConnectionInfo.MacAddress,
// https://theconfuzedsourcecode.wordpress.com/2015/05/16/how-to-easily-get-device-ip-address-in-xamarin-forms-using-dependencyservice/
RouterWebUIIP = gwAddr //DependencyService.Get<IIPAddressManager>().GetIPAddress(),
};
}
var isConnectedToAP = wifiManager.ConnectionInfo.BSSID != "00:00:00:00:00:00" &&
info2.RouterWebUIIP != "127.0.0.1" &&
info2.RouterWebUIIP != "0.0.0.0";
return(isConnectedToAP ? info2 : null);
}
