/// <summary>
/// This method checks if any managed VPN profile is connected.
/// </summary>
/// <returns>Task: String: Returns the VPN profile name if it is connected, otherwise null.</returns>
public static async Task <string> IsConnected()
{
Logger.Info("Checking if connected to VPN already...");
foreach (string vpnProfile in (string[])PolicyReader.Policies["VpnProfileList"])
{
ManagementObject vpnStatus = await VpnStatus.Get(vpnProfile);
if (vpnStatus == null)
{
continue;
}
string status = (string)vpnStatus.GetPropertyValue("ConnectionStatus");
if (status == "Connected")
{
Logger.Info("Already connected to VPN.");
return(vpnProfile);
}
}
Logger.Info("Not connected to VPN.");
return(null);
}
/// <summary>
/// This method pings all GPO defined VPN profiles, and selects -- in GPO defined order -- the first profile to respond to a ping.
/// </summary>
/// <returns>Task: Bool: True if any profile responds, false if all profiles are offline.</returns>
public static async Task <bool> SelectOnlineVpnProfile()
{
Logger.Info("Selecting optimal VPN profile...");
foreach (string vpnProfile in (string[])PolicyReader.Policies["VpnProfileList"])
{
ManagementObject vpnStatus = await VpnStatus.Get(vpnProfile);
if (vpnStatus == null)
{
continue;
}
string[] host = ((string)vpnStatus.GetPropertyValue("ServerAddress")).Split(':'); //Remove port number.
Task <bool> ping = VpnServerPing(host[0]);
bool finished = ping.Wait((int)PolicyReader.Policies["VpnServerPingTimeoutMS"]);
if (finished && await ping)
{
Logger.Info("Selected: " + vpnProfile + ".");
VpnControl.SelectedVPNProfile = vpnProfile;
return(true);
}
}
return(false);
}