private static string GetConnectionDetail(Connection connection)
{
if (null == connection.Source)
{
return string.Empty;
}
var deviceInformation = connection.Source as DeviceInformation;
if ( deviceInformation != null )
{
return deviceInformation.Id;
}
var endpointPair = connection.Source as EndpointPair;
if ( endpointPair != null )
{
return string.Format("{0}:{1}", endpointPair.RemoteHostName, endpointPair.RemoteServiceName);
}
return connection.Source.ToString();
}
public async Task<bool> Connect(Connection selectedConnection)
{
var result = false;
if (this.currentConnection != null)
{
this.service.Disconnect(this.currentConnection);
await Task.Delay(1000);
}
try
{
var worked = false;
this.connectionStopwatch.Reset();
this.connectionStopwatch.Start();
await this.dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() =>
{
this.appSettings.CurrentConnectionState = (int)ConnectionState.Connecting;
App.Telemetry.Context.Properties["connection.state"] = ConnectionState.Connecting.ToString();
App.Telemetry.Context.Properties["connection.name"] = string.Format(
"{0:X}",
selectedConnection.DisplayName.GetHashCode());
App.Telemetry.Context.Properties["connection.detail"] = string.Format(
"{0:X}",
GetConnectionDetail(selectedConnection).GetHashCode());
});
await this.dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
async () =>
{
App.Telemetry.TrackEvent("Connection_Attempt");
worked = await this.service.Connect(selectedConnection);
this.connectionStopwatch.Stop();
if (!worked)
{
this.appSettings.CurrentConnectionState = (int)ConnectionState.CouldNotConnect;
App.Telemetry.Context.Properties["connection.state"] = "Failed";
}
else
{
this.appSettings.CurrentConnectionState = (int)ConnectionState.Connected;
this.currentConnection = selectedConnection;
this.appSettings.PreviousConnectionName = this.currentConnection.DisplayName;
App.Telemetry.Context.Properties["connection.state"] =
ConnectionState.Connected.ToString();
result = true;
}
App.Telemetry.TrackEvent("Connection");
});
if (this.service.CharEventHandlerCount == 0)
{
this.service.CharReceived += c => this.manager.OnCharsReceived(c.ToString());
this.service.CharEventHandlerCount++;
}
}
catch (Exception e)
{
this.Log("!:error connecting:" + e.Message);
await
this.dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() => { this.appSettings.CurrentConnectionState = (int)ConnectionState.CouldNotConnect; });
App.Telemetry.TrackException(e);
}
return result;
}
public async Task<bool> Connect(Connection selectedConnection)
{
bool result = false;
if (currentConnection != null)
{
service.Disconnect(currentConnection);
await Task.Delay(1000);
}
try
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
appSettings.CurrentConnectionState = (int)ConnectionState.Connecting;
});
var worked = await service.Connect(selectedConnection);
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
//Refresh.IsEnabled = true;
if (!worked)
{
appSettings.CurrentConnectionState = (int)ConnectionState.CouldNotConnect;
telemetry.TrackEvent("VirtualShieldConnectionFail");
}
else
{
appSettings.CurrentConnectionState = (int)ConnectionState.Connected;
currentConnection = selectedConnection;
appSettings.PreviousConnectionName = currentConnection.DisplayName;
telemetry.TrackEvent("VirtualShieldConnectionSuccess");
result = true;
}
});
if (service.CharEventHandlerCount == 0)
{
service.CharReceived += c => manager.OnCharsReceived(c.ToString());
service.CharEventHandlerCount++;
}
}
catch (Exception e)
{
this.Log("!:error connecting:" + e.Message);
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
appSettings.CurrentConnectionState = (int)ConnectionState.CouldNotConnect;
});
telemetry.TrackException(e);
}
return result;
}
public async void Disconnect()
{
if (this.currentConnection != null)
{
await this.dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() =>
{
this.appSettings.CurrentConnectionState = (int)ConnectionState.Disconnecting;
App.Telemetry.Context.Properties["connection.state"] =
ConnectionState.Disconnecting.ToString();
});
this.service.Disconnect(this.currentConnection);
this.currentConnection = null;
await this.dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() =>
{
this.appSettings.CurrentConnectionState = (int)ConnectionState.NotConnected;
App.Telemetry.Context.Properties["connection.state"] =
ConnectionState.NotConnected.ToString();
});
App.Telemetry.TrackEvent("Disconnect");
}
}
public async void Disconnect()
{
if (currentConnection != null)
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
appSettings.CurrentConnectionState = (int)ConnectionState.Disconnecting;
});
service.Disconnect(currentConnection);
currentConnection = null;
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
appSettings.CurrentConnectionState = (int)ConnectionState.NotConnected;
});
telemetry.TrackEvent("VirtualShieldDisconnect");
}
}
