/// <summary>
/// 在将要挂起应用程序执行时调用。 在不知道应用程序
/// 无需知道应用程序会被终止还是会恢复，
/// 并让内存内容保持不变。
/// </summary>
/// <param name="sender">挂起的请求的源。</param>
/// <param name="e">有关挂起请求的详细信息。</param>
private async void OnSuspending(object sender, SuspendingEventArgs e)
{
var deferral = e.SuspendingOperation.GetDeferral();
//TODO: 保存应用程序状态并停止任何后台活动
await ExtendedExecutionHelper.OnSuspendingAsync();
deferral.Complete();
}
private void OnResuming(object sender, object e)
{
ExtendedExecutionHelper.OnResuming();
}
private async void StartButton_Click(object sender, RoutedEventArgs e)
{
var loader = new ResourceLoader();
if (!int.TryParse(portBox.Text, out int port))
{
NotifyUser(loader.GetString(PortIncorrect));
return;
}
var allowAnonymous = allowAnonymousBox.IsChecked == true;
string userName = userNameBox.Text;
string password = passwordBox.Text;
var settings = ApplicationData.Current.LocalSettings;
settings.Values[PortNumberSetting] = port;
settings.Values[AllowAnonymousSetting] = allowAnonymous;
settings.Values[UserNameSetting] = userName;
settings.Values[PasswordSetting] = password;
var x = VisualStateManager.GoToState(this, nameof(runningState), true);
statusBlock4.Text = string.Format(loader.GetString(Ipv4Listening), port);
statusBlock6.Text = string.Format(loader.GetString(Ipv6Listening), port);
cts = new CancellationTokenSource();
IPEndPoint ep4 = new IPEndPoint(IPAddress.Any, port);
IPEndPoint ep6 = new IPEndPoint(IPAddress.IPv6Any, port);
await Task.Run(() =>
{
if (allowAnonymous)
{
server4 = new FtpServer(
ep4,
new UwpFileProviderFactory(rootPath),
new Zhaobang.FtpServer.Connections.LocalDataConnectionFactory(),
new Zhaobang.FtpServer.Authenticate.AnonymousAuthenticator());
server6 = new FtpServer(
ep6,
new UwpFileProviderFactory(rootPath),
new Zhaobang.FtpServer.Connections.LocalDataConnectionFactory(),
new Zhaobang.FtpServer.Authenticate.AnonymousAuthenticator());
}
else
{
server4 = new FtpServer(
ep4,
new UwpFileProviderFactory(rootPath),
new Zhaobang.FtpServer.Connections.LocalDataConnectionFactory(),
new Zhaobang.FtpServer.Authenticate.SimpleAuthenticator(userName, password));
server6 = new FtpServer(
ep6,
new UwpFileProviderFactory(rootPath),
new Zhaobang.FtpServer.Connections.LocalDataConnectionFactory(),
new Zhaobang.FtpServer.Authenticate.SimpleAuthenticator(userName, password));
}
server4.Tracer.UserConnected += Tracer_UserConnected;
server6.Tracer.UserConnected += Tracer_UserConnected;
server4.Tracer.CommandInvoked += Tracer_CommandInvoked;
server6.Tracer.CommandInvoked += Tracer_CommandInvoked;
server4.Tracer.ReplyInvoked += Tracer_ReplyInvoked;
server6.Tracer.ReplyInvoked += Tracer_ReplyInvoked;
server4.Tracer.UserDisconnected += Tracer_UserDisconnected;
server6.Tracer.UserDisconnected += Tracer_UserDisconnected;
});
var server4Deferral = ExtendedExecutionHelper.GetDeferral();
server4Run = server4.RunAsync(cts.Token).ContinueWith(async t =>
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
if (t.IsFaulted)
{
statusBlock4.Text = string.Format(loader.GetString(Ipv4Error), t.Exception);
}
else
{
statusBlock4.Text = loader.GetString(Ipv4Stopped);
}
server4Deferral.Complete();
}));
var server6Deferral = ExtendedExecutionHelper.GetDeferral();
server6Run = server6.RunAsync(cts.Token).ContinueWith(async t =>
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
if (t.IsFaulted)
{
statusBlock6.Text = string.Format(loader.GetString(Ipv6Error), t.Exception);
}
else
{
statusBlock6.Text = loader.GetString(Ipv6Stopped);
}
server6Deferral.Complete();
}));
}