public void NetworkChanged()
{
NetworkInterface newInterface = null;
lock (this)
{
// rebuild list of available interfaces
iAllowedInterfaces = new List <NetworkInterface>();
iAllowedInterfaces.Add(new NetworkInterface());
foreach (NetworkInfoModel i in NetworkInfo.GetAllNetworkInterfaces())
{
if (i.OperationalStatus == EOperationalStatus.eUp ||
i.OperationalStatus == EOperationalStatus.eUnknown)
{
// don't add 3G network card on iPads/iPhones
if (i.Name != "pdp_ip0")
{
iAllowedInterfaces.Add(new NetworkInterface(i));
}
}
}
// send to user log
string userLogMsg = DateTime.Now + ": Network interface event received. Available interfaces:";
for (int i = 1; i < iAllowedInterfaces.Count; i++)
{
userLogMsg += Environment.NewLine + DateTime.Now + ": " + iAllowedInterfaces[i].ToString();
}
UserLog.WriteLine(userLogMsg);
// set the default interface - if there is only 1 real interface - set this as default
if (iAllowedInterfaces.Count == 2)
{
iDefault = iAllowedInterfaces[1];
}
else
{
iDefault = iAllowedInterfaces[0];
}
// update the existing interface
switch (iInterface.Status)
{
case NetworkInterface.EStatus.eUnconfigured:
if (iDefault.Status != NetworkInterface.EStatus.eUnconfigured)
{
// interface unconfigured -> available/unavailable default
newInterface = iDefault;
}
break;
case NetworkInterface.EStatus.eUnavailable:
{
NetworkInterface found = FindInterface(iInterface.Name);
if (found != null && found.Status == NetworkInterface.EStatus.eAvailable)
{
// interface unavailable -> available
newInterface = found;
}
}
break;
case NetworkInterface.EStatus.eAvailable:
{
NetworkInterface found = FindInterface(iInterface.Name);
if (found != null)
{
if (found.Status == NetworkInterface.EStatus.eAvailable)
{
if (!iInterface.Info.IPAddress.Equals(found.Info.IPAddress))
{
// interface available -> available (ip address change)
newInterface = found;
}
}
else
{
// interface available -> unavailable
newInterface = found;
}
}
else
{
// interface available -> unavailable
newInterface = new NetworkInterface(iInterface.Name);
}
}
break;
}
if (newInterface != null)
{
iInterface = newInterface;
}
Trace.WriteLine(Trace.kCore, "OptionNetworkInterface.NetworkChange(): Network interface event - " + iInterface + " -> " + newInterface);
UserLog.WriteLine(DateTime.Now + ": Network interface event - " + iInterface + " -> " + newInterface);
}
EventHandler <EventArgs> eventAllowedChanged = EventAllowedChanged;
if (eventAllowedChanged != null)
{
eventAllowedChanged(this, EventArgs.Empty);
}
EventHandler <EventArgs> eventValueChanged = EventValueChanged;
if (newInterface != null && eventValueChanged != null)
{
eventValueChanged(this, EventArgs.Empty);
}
}
