public MainPage()
{
this.InitializeComponent();
UpdateStatusMessage("Looking for devices...");
StartListener();
_ = BackgroundExecutionManager.RequestAccessAsync();
// prep the background tasks
foreach (var current in BackgroundTaskRegistration.AllTasks)
{
if (current.Value.Name == "SocketActivityBackgroundTask")
{
BkTask = current.Value;
break;
}
}
// If there is no task allready created, create a new one
if (BkTask == null)
{
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = "SocketActivityBackgroundTask";
// moved to inproc so no task entry point
//socketTaskBuilder.TaskEntryPoint = "SocketActivityBackgroundTask.SocketActivityTask";
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
BkTask = socketTaskBuilder.Register();
}
}
public override async void Connect()
{
try
{
foreach (var current in BackgroundTaskRegistration.AllTasks)
{
if (current.Value.Name == BackgroundTaskName)
{
task = current.Value;
break;
}
}
if (task == null)
{
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = "WinIRCBackgroundTask." + server.name;
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
task = socketTaskBuilder.Register();
}
}
catch
{
// empty catch
}
streamSocket = new StreamSocket();
streamSocket.Control.KeepAlive = true;
dataStreamLineReader = new SafeLineReader();
try
{
if (task != null)
{
streamSocket.EnableTransferOwnership(task.TaskId, SocketActivityConnectedStandbyAction.Wake);
}
var protectionLevel = server.ssl ? SocketProtectionLevel.Tls12 : SocketProtectionLevel.PlainSocket;
Debug.WriteLine("Attempting to connect...");
await streamSocket.ConnectAsync(new Windows.Networking.HostName(server.hostname), server.port.ToString(), protectionLevel);
Debug.WriteLine("Connected!");
reader = new DataReader(streamSocket.InputStream);
writer = new DataWriter(streamSocket.OutputStream);
IsConnected = true;
ConnectionHandler();
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
Debug.WriteLine(e.StackTrace);
return;
}
}
private async void buttonRegister_Click(object sender, RoutedEventArgs e)
{
try
{
//タスクがすでに登録されている場合は解除する
foreach (var t in BackgroundTaskRegistration.AllTasks)
{
t.Value.Unregister(true);
}
//バックグラウンドタスクを登録する
//NameはなんでもいいけどTaskEntryPointはバックグランドタスクの {名前空間}.{クラス名} にしないとだめ
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = "MySocketBackgroundTask";
socketTaskBuilder.TaskEntryPoint = "BackgroundSocketComponent.SocketListenTask";
//バックグラウンドタスクでSocketを待ち受けるためのトリガー
//これのおかげでバックグラウンドタスクがSocketに反応できる
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
var task = socketTaskBuilder.Register();
//ソケットリスナー
var socketListener = new StreamSocketListener();
var hostname = NetworkInformation.GetHostNames().Where(q => q.Type == HostNameType.Ipv4).First();
var port = textPort.Text;
//バックグラウンドタスクとポート番号を合わせるためにローカル設定に入れておく
ApplicationData.Current.LocalSettings.Values["SocketPort"] = port;
//バックグラウンドタスクとソケットIDを合わせるためにローカル設定に入れておく
ApplicationData.Current.LocalSettings.Values["SocketId"] = socketId;
//バックグラウンドタスクにソケットリスナーの権限を渡すことを許可
//第2引数はDoNotWakeにしないとBind時にエラーになる
socketListener.EnableTransferOwnership(task.TaskId, SocketActivityConnectedStandbyAction.DoNotWake);
//ホスト名とポート番号でバインドする
await socketListener.BindEndpointAsync(hostname, port);
//ここから下はSuspendingイベントに入れてもいい
//ソケットリスナーをバックグランドタスクに渡すためにIOを止める
await socketListener.CancelIOAsync();
//バックグランドタスクに権限を渡す
socketListener.TransferOwnership(socketId);
var dialog = new MessageDialog("Complete to register backgroundtask and to start listen socket!");
await dialog.ShowAsync();
}catch (Exception ex)
{
var dialog = new MessageDialog(ex.Message);
await dialog.ShowAsync();
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
rootPage = MainPage.Current;
try
{
foreach (var current in BackgroundTaskRegistration.AllTasks)
{
if (current.Value.Name == "SocketActivityBackgroundTask")
{
task = current.Value;
break;
}
}
// If there is no task allready created, create a new one
if (task == null)
{
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = "SocketActivityBackgroundTask";
socketTaskBuilder.TaskEntryPoint = "SocketActivityBackgroundTask.SocketActivityTask";
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
task = socketTaskBuilder.Register();
}
SocketActivityInformation socketInformation;
if (SocketActivityInformation.AllSockets.TryGetValue(socketId, out socketInformation))
{
// Application can take ownership of the socket and make any socket operation
// For sample it is just transfering it back.
socket = socketInformation.StreamSocket;
socket.TransferOwnership(socketId);
socket = null;
rootPage.NotifyUser("Connected. You may close the application", NotifyType.StatusMessage);
TargetServerTextBox.IsEnabled = false;
ConnectButton.IsEnabled = false;
}
}
catch (Exception exception)
{
rootPage.NotifyUser(exception.Message, NotifyType.ErrorMessage);
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
rootPage = MainPage.Current;
try
{
foreach (var current in BackgroundTaskRegistration.AllTasks)
{
if (current.Value.Name == "SocketActivityBackgroundTask")
{
task = current.Value;
break;
}
}
// If there is no task allready created, create a new one
if (task == null)
{
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = "SocketActivityBackgroundTask";
socketTaskBuilder.TaskEntryPoint = "SocketActivityBackgroundTask.SocketActivityTask";
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
task = socketTaskBuilder.Register();
}
SocketActivityInformation socketInformation;
if (SocketActivityInformation.AllSockets.TryGetValue(socketId, out socketInformation))
{
// Application can take ownership of the socket and make any socket operation
// For sample it is just transfering it back.
socket = socketInformation.StreamSocket;
socket.TransferOwnership(socketId);
socket = null;
rootPage.NotifyUser("Connected. You may close the application", NotifyType.StatusMessage);
TargetServerTextBox.IsEnabled = false;
ConnectButton.IsEnabled = false;
}
}
catch (Exception exception)
{
rootPage.NotifyUser(exception.Message, NotifyType.ErrorMessage);
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
var registration = BackgroundTaskRegistration.AllTasks.FirstOrDefault(x => x.Value.Name == TaskName);
if (registration.Value == null)
{
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = TaskName;
socketTaskBuilder.TaskEntryPoint = "SocketTask.ReceiveMessagesTask";
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
var status = await BackgroundExecutionManager.RequestAccessAsync();
if (status != BackgroundAccessStatus.Denied)
{
task = socketTaskBuilder.Register();
}
}
else
{
task = registration.Value;
}
}
public static Guid Register()
{
foreach (var current in BackgroundTaskRegistration.AllTasks)
{
if (current.Value.Name == nameof(MulticastServerBackgroundTask))
{
return(current.Value.TaskId);
}
}
BackgroundTaskBuilder socketTaskBuilder = new BackgroundTaskBuilder
{
Name = nameof(MulticastServerBackgroundTask),
TaskEntryPoint = typeof(MulticastServerBackgroundTask).FullName
};
SocketActivityTrigger trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
var task = socketTaskBuilder.Register();
return(task.TaskId);
}
public override async void Connect()
{
var autoReconnect = Config.GetBoolean(Config.AutoReconnect, true);
if (Server == null)
{
return;
}
try
{
foreach (var current in BackgroundTaskRegistration.AllTasks)
{
if (current.Value.Name == BackgroundTaskName)
{
task = current.Value;
break;
}
}
if (task == null)
{
var socketTaskBuilder = new BackgroundTaskBuilder();
socketTaskBuilder.Name = "WinIRCBackgroundTask." + Server.Name;
var trigger = new SocketActivityTrigger();
socketTaskBuilder.SetTrigger(trigger);
//task = socketTaskBuilder.Register();
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
IsAuthed = false;
ReadOrWriteFailed = false;
if (!ConnCheck.HasInternetAccess)
{
var msg = autoReconnect
? "We'll try to connect once a connection is available."
: "Please try again once your connection is restored";
var error = IrcUWPBase.CreateBasicToast("No connection detected.", msg);
error.ExpirationTime = DateTime.Now.AddDays(2);
ToastNotificationManager.CreateToastNotifier().Show(error);
if (!autoReconnect)
{
DisconnectAsync(attemptReconnect: autoReconnect);
}
return;
}
streamSocket = new StreamSocket();
streamSocket.Control.KeepAlive = true;
if (Config.GetBoolean(Config.IgnoreSSL))
{
streamSocket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.Untrusted);
streamSocket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.Expired);
}
if (task != null)
{
streamSocket.EnableTransferOwnership(task.TaskId, SocketActivityConnectedStandbyAction.Wake);
}
dataStreamLineReader = new SafeLineReader();
try
{
var protectionLevel = Server.Ssl ? SocketProtectionLevel.Tls12 : SocketProtectionLevel.PlainSocket;
Debug.WriteLine("Attempting to connect...");
await streamSocket.ConnectAsync(new Windows.Networking.HostName(Server.Hostname), Server.Port.ToString(), protectionLevel);
Debug.WriteLine("Connected!");
reader = new DataReader(streamSocket.InputStream);
writer = new DataWriter(streamSocket.OutputStream);
IsConnected = true;
IsConnecting = false;
ConnectionHandler();
}
catch (Exception e)
{
var msg = autoReconnect
? "Attempting to reconnect..."
: "Please try again later.";
AddError("Error whilst connecting: " + e.Message + "\n" + msg);
AddError(e.StackTrace);
AddError("If this error keeps occuring, ensure your connection settings are correct.");
DisconnectAsync(attemptReconnect: autoReconnect);
Debug.WriteLine(e.Message);
Debug.WriteLine(e.StackTrace);
}
}
private void CreateBgTask()
{
IBackgroundTrigger socketTrigger = new SocketActivityTrigger();
_bgSocketask = BackgroundTaskHelper.Register(BgTaskName, BgEntryPoint, socketTrigger);
}
