public async void Run(IBackgroundTaskInstance taskInstance)
{
_deferral = taskInstance.GetDeferral();
_unityContainer = new UnityContainer();
_unityContainer.RegisterType <IApplicationDataService, ApplicationDataService>();
_unityContainer.RegisterType <IDatabaseService, DatabaseService>();
_unityContainer.RegisterType <IIotService, IotService>();
try
{
_databaseService = _unityContainer.Resolve <IDatabaseService>();
}
catch (Exception)
{
_deferral.Complete();
return;
}
try
{
_applicationDataService = _unityContainer.Resolve <IApplicationDataService>();
}
catch (Exception e)
{
if (_databaseService != null)
{
await _databaseService.AddExceptionLogItem(new ExceptionLogItem()
{
TimeStamp = DateTime.Now, Message = e.Message, Source = e.Source, StackTrace = e.StackTrace
});
}
_deferral.Complete();
return;
}
try
{
_iotService = _unityContainer.Resolve <IIotService>();
}
catch (Exception e)
{
if (_databaseService != null)
{
await _databaseService.AddExceptionLogItem(new ExceptionLogItem()
{
TimeStamp = DateTime.Now, Message = e.Message, Source = e.Source, StackTrace = e.StackTrace
});
}
_deferral.Complete();
return;
}
try
{
var socketActivityTriggerDetails = taskInstance.TriggerDetails as SocketActivityTriggerDetails;
var socketInformation = socketActivityTriggerDetails.SocketInformation;
switch (socketActivityTriggerDetails.Reason)
{
case SocketActivityTriggerReason.None:
break;
case SocketActivityTriggerReason.SocketActivity:
switch (socketInformation.SocketKind)
{
case SocketActivityKind.None:
break;
case SocketActivityKind.StreamSocketListener:
break;
case SocketActivityKind.DatagramSocket:
var datagramSocket = socketInformation.DatagramSocket;
datagramSocket.MessageReceived += async(s, e) =>
{
uint stringLength = e.GetDataReader().UnconsumedBufferLength;
var incomingMessage = e.GetDataReader().ReadString(stringLength);
var package = JsonConvert.DeserializeObject <Package>(incomingMessage);
if (package != null)
{
switch ((PayloadType)package.PayloadType)
{
case PayloadType.Discovery:
package = new Package()
{
PayloadType = (int)PayloadType.Room,
Payload = new Room()
{
RoomGuid = _applicationDataService.GetSetting <string>("Guid"),
RoomName = _applicationDataService.GetSetting <string>("RoomName"),
RoomNumber = _applicationDataService.GetSetting <string>("RoomNumber"),
Occupancy = _applicationDataService.GetSetting <int>("ActualOccupancy"),
IsIoT = _iotService.IsIotDevice()
}
};
var json = JsonConvert.SerializeObject(package);
await SendStringData(new StreamSocket(), socketInformation.Id, s.Information.RemoteAddress, _applicationDataService.GetSetting <string>("TcpPort"), json);
break;
case PayloadType.PropertyChanged:
break;
default:
break;
}
}
await datagramSocket.CancelIOAsync();
datagramSocket.TransferOwnership(socketInformation.Id);
};
break;
case SocketActivityKind.StreamSocket:
var streamSocket = socketInformation.StreamSocket;
using (Stream inputStream = streamSocket.InputStream.AsStreamForRead())
{
using (StreamReader streamReader = new StreamReader(inputStream))
{
try
{
var package = JsonConvert.DeserializeObject <Package>(await streamReader.ReadLineAsync());
if (package != null)
{
string json;
List <AgendaItem> agendaItems;
List <TimeSpanItem> timeSpanItems;
switch ((PayloadType)package.PayloadType)
{
case PayloadType.Occupancy:
var now = DateTime.Now;
_applicationDataService.SaveSetting("OverriddenOccupancy", (int)package.Payload);
_applicationDataService.SaveSetting("OccupancyOverridden", true);
agendaItems = await _databaseService.GetAgendaItemsAsync(now);
var agendaItem = agendaItems.Where(x => now > x.Start && now < x.End).Select(x => x).FirstOrDefault();
if (agendaItem != null)
{
agendaItem.IsOverridden = true;
await _databaseService.UpdateAgendaItemAsync(agendaItem);
}
await streamSocket.CancelIOAsync();
streamSocket.TransferOwnership(socketInformation.Id);
break;
case PayloadType.Schedule:
agendaItems = (List <AgendaItem>)package.Payload;
await _databaseService.UpdateAgendaItemsAsync(agendaItems);
streamSocket.TransferOwnership(socketInformation.Id);
break;
case PayloadType.RequestOccupancy:
int actualOccupancy = _applicationDataService.GetSetting <int>("ActualOccupancy");
package.PayloadType = (int)PayloadType.Occupancy;
package.Payload = actualOccupancy;
json = JsonConvert.SerializeObject(package);
await SendStringData(streamSocket, socketInformation.Id, streamSocket.Information.RemoteHostName, streamSocket.Information.RemotePort, json);
break;
case PayloadType.RequestSchedule:
agendaItems = await _databaseService.GetAgendaItemsAsync();
package.PayloadType = (int)PayloadType.Schedule;
package.Payload = agendaItems;
json = JsonConvert.SerializeObject(package);
await SendStringData(streamSocket, socketInformation.Id, streamSocket.Information.RemoteHostName, streamSocket.Information.RemotePort, json);
break;
case PayloadType.StandardWeek:
timeSpanItems = JsonConvert.DeserializeObject <List <TimeSpanItem> >(package.Payload.ToString());
await _databaseService.UpdateTimeSpanItemsAsync(timeSpanItems, true);
streamSocket.Dispose();
break;
case PayloadType.RequestStandardWeek:
timeSpanItems = await _databaseService.GetTimeSpanItemsAsync();
package.PayloadType = (int)PayloadType.StandardWeek;
package.Payload = timeSpanItems;
json = JsonConvert.SerializeObject(package);
await SendStringData(streamSocket, socketInformation.Id, streamSocket.Information.RemoteHostName, streamSocket.Information.RemotePort, json);
break;
case PayloadType.AgendaItem:
var payloadAgendaItem = JsonConvert.DeserializeObject <AgendaItem>(package.Payload.ToString());
if (!payloadAgendaItem.IsDeleted && payloadAgendaItem.Id < 1)
{
int id = await _databaseService.AddAgendaItemAsync(payloadAgendaItem);
package.PayloadType = (int)PayloadType.AgendaItemId;
package.Payload = id;
json = JsonConvert.SerializeObject(package);
await SendStringData(streamSocket, socketInformation.Id, json);
}
else if (payloadAgendaItem.IsDeleted && payloadAgendaItem.Id > 0)
{
await _databaseService.RemoveAgendaItemAsync(payloadAgendaItem.Id);
streamSocket.TransferOwnership(socketInformation.Id);
}
else if (payloadAgendaItem.Id > 0)
{
await _databaseService.UpdateAgendaItemAsync(payloadAgendaItem);
streamSocket.TransferOwnership(socketInformation.Id);
}
break;
case PayloadType.TimeSpanItem:
var timeSpanItem = JsonConvert.DeserializeObject <TimeSpanItem>(package.Payload.ToString());
if (!timeSpanItem.IsDeleted && timeSpanItem.Id < 1)
{
int id = await _databaseService.AddTimeSpanItemAsync(timeSpanItem);
package.PayloadType = (int)PayloadType.TimeSpanItemId;
package.Payload = id;
json = JsonConvert.SerializeObject(package);
await SendStringData(streamSocket, socketInformation.Id, json);
}
else if (timeSpanItem.IsDeleted && timeSpanItem.Id > 0)
{
await _databaseService.RemoveAgendaItemAsync(timeSpanItem.Id);
streamSocket.Dispose();
}
else if (timeSpanItem.Id > 0)
{
await _databaseService.UpdateTimeSpanItemAsync(timeSpanItem, true);
streamSocket.Dispose();
}
else
{
streamSocket.Dispose();
}
break;
default:
await streamSocket.CancelIOAsync();
streamSocket.TransferOwnership(socketInformation.Id);
break;
}
}
}
catch (Exception)
{
streamReader.Close();
inputStream.Close();
}
await streamSocket.CancelIOAsync();
streamSocket.TransferOwnership(socketInformation.Id);
}
}
break;
default:
break;
}
break;
case SocketActivityTriggerReason.ConnectionAccepted:
break;
case SocketActivityTriggerReason.KeepAliveTimerExpired:
switch (socketInformation.SocketKind)
{
case SocketActivityKind.None:
break;
case SocketActivityKind.StreamSocketListener:
break;
case SocketActivityKind.DatagramSocket:
var datagramSocket = socketInformation.DatagramSocket;
datagramSocket.EnableTransferOwnership(taskInstance.Task.TaskId, SocketActivityConnectedStandbyAction.DoNotWake);
await datagramSocket.CancelIOAsync();
datagramSocket.TransferOwnership(socketInformation.Id);
break;
case SocketActivityKind.StreamSocket:
var streamSocket = socketInformation.StreamSocket;
streamSocket.EnableTransferOwnership(taskInstance.Task.TaskId, SocketActivityConnectedStandbyAction.DoNotWake);
await streamSocket.CancelIOAsync();
streamSocket.TransferOwnership(socketInformation.Id);
break;
default:
break;
}
break;
case SocketActivityTriggerReason.SocketClosed:
switch (socketInformation.SocketKind)
{
case SocketActivityKind.None:
break;
case SocketActivityKind.StreamSocketListener:
break;
case SocketActivityKind.DatagramSocket:
var datagramSocket = socketInformation.DatagramSocket;
datagramSocket.EnableTransferOwnership(taskInstance.Task.TaskId, SocketActivityConnectedStandbyAction.DoNotWake);
await datagramSocket.CancelIOAsync();
datagramSocket.TransferOwnership(socketInformation.Id);
break;
case SocketActivityKind.StreamSocket:
var streamSocket = socketInformation.StreamSocket;
streamSocket.EnableTransferOwnership(taskInstance.Task.TaskId, SocketActivityConnectedStandbyAction.DoNotWake);
await streamSocket.CancelIOAsync();
streamSocket.TransferOwnership(socketInformation.Id);
break;
default:
break;
}
break;
default:
break;
}
}
catch (Exception e)
{
if (_databaseService != null)
{
await _databaseService.AddExceptionLogItem(new ExceptionLogItem()
{
TimeStamp = DateTime.Now, Message = e.Message, Source = e.Source, StackTrace = e.StackTrace
});
}
}
}
public async Task StartListenerAsync()
{
try
{
_datagramSocket = new DatagramSocket();
var window = CoreWindow.GetForCurrentThread();
var dispatcher = window.Dispatcher;
_backgroundTaskRegistration = (BackgroundTaskRegistration)_backgroundTaskService.FindRegistration <SocketActivityTriggerBackgroundTask>();
if (_backgroundTaskRegistration == null)
{
_backgroundTaskRegistration = await _backgroundTaskService.Register <SocketActivityTriggerBackgroundTask>(new SocketActivityTrigger());
}
if (_backgroundTaskRegistration != null)
{
_datagramSocket.EnableTransferOwnership(_backgroundTaskRegistration.TaskId, SocketActivityConnectedStandbyAction.DoNotWake);
}
await _datagramSocket.BindServiceNameAsync(_applicationDataService.GetSetting <string>("UdpPort"));
_datagramSocket.MessageReceived += async(s, e) =>
{
uint stringLength = e.GetDataReader().UnconsumedBufferLength;
var incomingMessage = e.GetDataReader().ReadString(stringLength);
var package = JsonConvert.DeserializeObject <Package>(incomingMessage);
if (package != null)
{
switch ((PayloadType)package.PayloadType)
{
case PayloadType.Discovery:
package = new Package()
{
PayloadType = (int)PayloadType.Room,
Payload = new Room()
{
RoomGuid = _applicationDataService.GetSetting <string>("Guid"),
RoomName = _applicationDataService.GetSetting <string>("RoomName"),
RoomNumber = _applicationDataService.GetSetting <string>("RoomNumber"),
Occupancy = _applicationDataService.GetSetting <int>("ActualOccupancy"),
IsIoT = _iotService.IsIotDevice()
}
};
var json = JsonConvert.SerializeObject(package);
await _transmissionControlService.SendStringData(e.RemoteAddress, _applicationDataService.GetSetting <string>("TcpPort"), json);
break;
case PayloadType.PropertyChanged:
break;
default:
break;
}
}
};
}
catch (Exception ex)
{
SocketErrorStatus webErrorStatus = SocketError.GetStatus(ex.GetBaseException().HResult);
}
_eventAggregator.GetEvent <PortChangedEvent>().Subscribe(async() =>
{
await StartListenerAsync();
});
}