private NetworkDetector()
{
requestQueue = new Queue<long>();
requestQueue.Clear();
requestStatus = NetworkTypeRequestStatus.Default;
updateTimer = new System.Windows.Threading.DispatcherTimer();
updateTimer.Tick += new EventHandler(updateTimer_Tick);
updateTimer.Interval = new TimeSpan(0, 0, 0, 0, 300);//there is no need to restart the BGWorker sooner then 300 millisec because the ~3request/sec requestlimit
//updateTimer.Start();
pollTimer = new System.Windows.Threading.DispatcherTimer();
pollTimer.Tick += new EventHandler(pollTimer_Tick);
networkWorker = new BackgroundWorker();
networkWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(networkWorker_RunWorkerCompleted);
networkWorker.DoWork += new DoWorkEventHandler(networkWorker_DoWork);
IsInstantRequestPresent = false;
detailedMode = false; //by default I hide the framework events for better Developer experience
isZuneConnected = false;
SetupNetworkChange(); //signing on the framework event
}
void updateTimer_Tick(object sender, EventArgs e)
{
if (requestQueue.Count > 0)
{
if (!networkWorker.IsBusy)
{
requestStatus = NetworkTypeRequestStatus.Started;
networkWorker.RunWorkerAsync();
}
}
}
public void AsyncGetNetworkType()
{
//requestQueue.Enqueue(System.DateTime.Now.Ticks);
IsInstantRequestPresent = true;
if (!networkWorker.IsBusy)
{
requestStatus = NetworkTypeRequestStatus.Started;
networkWorker.RunWorkerAsync();
}
if (!updateTimer.IsEnabled) updateTimer.Start();
}
//no need to lock the variables if We do everithing in the completed event handler
void networkWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
DetectOnlineStatus();
if ((detailedMode) || (net != (Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType)e.Result))
{
//there is no need to get events all the time, just when really changing something or the DetailedMode is true
if (net != (Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType)e.Result)
RaiseNotify(OnLostNetworkType, new NetworkDetectorEventArgs(online, net));
net = (Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType)e.Result;
Debug.WriteLine(" New NetType: " + net.ToString());
if (net == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Ethernet) Debug.WriteLine("!!!!! Zune is Connected");
switch (net)
{
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Ethernet:
if (!isZuneConnected)
{
isZuneConnected = true;
RaiseNotify(OnZuneConnected, new NetworkDetectorEventArgs(online, net));
}
RaiseNotify(OnConnectedEthernet, new NetworkDetectorEventArgs(online, net));
break;
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Wireless80211:
if (isZuneConnected)
{
isZuneConnected = false;
RaiseNotify(OnZuneDisconnected, new NetworkDetectorEventArgs(online, net));
}
RaiseNotify(OnConnectedWifi, new NetworkDetectorEventArgs(online, net));
break;
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MobileBroadbandCdma:
if (isZuneConnected)
{
isZuneConnected = false;
RaiseNotify(OnZuneDisconnected, new NetworkDetectorEventArgs(online, net));
}
RaiseNotify(OnConnectedBroadbandCdma, new NetworkDetectorEventArgs(online, net));
break;
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MobileBroadbandGsm:
if (isZuneConnected)
{
isZuneConnected = false;
RaiseNotify(OnZuneDisconnected, new NetworkDetectorEventArgs(online, net));
}
RaiseNotify(OnConnectedBroadbandGsm, new NetworkDetectorEventArgs(online, net));
break;
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None:
if (!online)
{
if (isZuneConnected)
{
/*if we lost all network connection and the Zune was present before,
then we lost the Zune too. Normally when Zune is present and then we got
a None NetType, the PC just lost the internet connection but not the Zune sync*/
isZuneConnected = false;
RaiseNotify(OnZuneDisconnected, new NetworkDetectorEventArgs(online, net));
}
}
RaiseNotify(OnConnectedNone, new NetworkDetectorEventArgs(online, net));
break;
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.AsymmetricDsl:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Atm:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.BasicIsdn:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Ethernet3Megabit:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.FastEthernetFx:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.FastEthernetT:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Fddi:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.GenericModem:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.GigabitEthernet:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.HighPerformanceSerialBus:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.IPOverAtm:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Isdn:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Loopback:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MultiRateSymmetricDsl:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Ppp:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.PrimaryIsdn:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.RateAdaptDsl:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Slip:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.SymmetricDsl:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.TokenRing:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Tunnel:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Unknown:
case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.VeryHighSpeedDsl:
default://theoretically we can't get here but better be prepared
RaiseNotify(OnConnectedOther, new NetworkDetectorEventArgs(online, net));
break;
}
}
for (int i = 0; i < requestQueue.Count; i++)
{
if (requestQueue.Peek() < System.DateTime.Now.Ticks) requestQueue.Dequeue();
//the requests before this moment just got answered
//if other requests are coming right after this, they will be served inside the next networkWorker_RunWorkerCompleted
}
if (requestQueue.Count == 0) updateTimer.Stop();
if (IsInstantRequestPresent) //the user requested a single poll
{
RaiseNotify(OnAsyncGetNetworkTypeCompleted, new NetworkDetectorEventArgs(online, net));
IsInstantRequestPresent = false;
}
requestStatus = NetworkTypeRequestStatus.Ended;
Debug.WriteLine("<<<<< GetNetType ended " + System.DateTime.Now.ToString("T") + " <<<<<");
}