/* ----------------------------------------------------------------- */
///
/// WhenChanged
///
/// <summary>
/// ネットワークの利用可能状況が変化した時に実行されるハンドラです。
/// </summary>
///
/// <remarks>
/// IsAvailable が true に変化した直後は、実際にはまだ通信可能な
/// 状態になっていない事があります。Network クラスでは、
/// IsAvailable が true になってからいずれかのネットワーク
/// インターフェースの状態が Up になるまで、最大 2 分の待機時間を
/// 設けています。
/// </remarks>
///
/* ----------------------------------------------------------------- */
private static void WhenChanged(object s, NetworkAvailabilityEventArgs e)
{
if (!e.IsAvailable)
{
AvailabilityChanged?.Invoke(s, e);
}
else
{
Task.Run(async() =>
{
var type = typeof(Network);
for (var i = 0; i < 24; ++i) // 5 sec * 24 = 2 min
{
if (Status == OperationalStatus.Up)
{
Logger.Debug(type, ($"Status:Up ({i * 5} sec)"));
AvailabilityChanged?.Invoke(s, e);
return;
}
await Task.Delay(TimeSpan.FromSeconds(5)).ConfigureAwait(false);
}
Logger.Debug(type, $"Status:{Status} (Timeout)");
AvailabilityChanged?.Invoke(s, e);
}).Forget();
}
}
private void OnNotificationReceived(object sender, WLAN_NOTIFICATION_DATA e)
{
Debug.WriteLine($"NotificationReceived: {(WLAN_NOTIFICATION_ACM)e.NotificationCode}");
switch ((WLAN_NOTIFICATION_ACM)e.NotificationCode)
{
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_scan_list_refresh:
NetworkRefreshed?.Invoke(this, EventArgs.Empty);
break;
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_network_available:
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_network_not_available:
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_start:
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_end:
AvailabilityChanged?.Invoke(this, EventArgs.Empty);
break;
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_interface_arrival:
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_interface_removal:
InterfaceChanged?.Invoke(this, EventArgs.Empty);
break;
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_connection_complete:
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_disconnected:
ConnectionChanged?.Invoke(this, EventArgs.Empty);
break;
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_profile_change:
case WLAN_NOTIFICATION_ACM.wlan_notification_acm_profile_name_change:
ProfileChanged?.Invoke(this, EventArgs.Empty);
break;
}
}
public NetworkAvailableService()
{
Helper = new NetworkAvailableHelper();
Helper.AvailabilityChanged += (e)
=> AvailabilityChanged?.Invoke(this, new AvailabilityChangedEventArgs {
ConnectionType = e
});
}
public async Task ChangeMetamaskAvailableAsync(bool available)
{
Available = available;
if (AvailabilityChanged != null)
{
await AvailabilityChanged.Invoke(available);
}
}
public async Task ScanNetworkAsync(TimeSpan timeout)
{
// Netsh has no function to directly prompt to scan wireless LANs.
await DeferAsync(() =>
{
NetworkRefreshed?.Invoke(this, EventArgs.Empty);
AvailabilityChanged?.Invoke(this, EventArgs.Empty);
InterfaceChanged?.Invoke(this, EventArgs.Empty);
});
}
public async Task ScanNetworkAsync(TimeSpan timeout)
{
await Task.Delay(TimeSpan.FromSeconds(1)); // Dummy
deferTask = DeferAsync(() =>
{
NetworkRefreshed?.Invoke(this, EventArgs.Empty);
AvailabilityChanged?.Invoke(this, EventArgs.Empty);
InterfaceChanged?.Invoke(this, EventArgs.Empty);
});
}
private async void NotifyAvailabilityChanged(bool available)
{
logger.WriteLine($"available: {available}");
if (!available)
{
NotifyAdapterStatusChanged(false);
}
if (AvailabilityChanged != null)
{
var data = new AvailabilityChangedEvent {
Available = available, AdapterId = "adapterId"
};
await dispatcher.RunAsync(CoreDispatcherPriority.Normal,
new DispatchedHandler(() =>
{
AvailabilityChanged?.Invoke(this, data);
}));
}
}
private void SetAvailability(bool state, Func <string> messageFunc)
{
if (_isAvailable != state)
{
_isAvailable = state;
AvailabilityChanged?.Invoke(null, new AvailabilityEventArgs(state, messageFunc?.Invoke()));
}
if (state)
{
_tmrChecker.Interval = _successfulCheckingInterval;
}
else
{
if (_tmrChecker.Interval >= _successfulCheckingInterval - 1000)
{
_tmrChecker.Interval = 1000;
}
else if (_tmrChecker.Interval < _successfulCheckingInterval / 2)
{
_tmrChecker.Interval += 5000;
}
}
}
protected void RiseAvailabilityChangedEvent(EventArgs args)
{
AvailabilityChanged?.Invoke(this, args);
}
public void SetAvailability(bool isAvailable)
{
AvailabilityChanged?.Invoke(this, new AvailabilityChangedEventArgs {
Book = this, IsAvailable = isAvailable
});
}
public void OnAvailabilityChanged(ScannerAvailability args)
{
AvailabilityChanged?.Invoke(this, args);
}