/// <summary>
/// 启动WIFI连接侦听器
/// </summary>
public async Task StartToListenRequest()
{
if (IsListeningThreadWorking)
{
return;
}
if (IsDisposed)
{
throw new ObjectDisposedException("This Object has been disposed");
}
IsListeningThreadWorking = true;
try
{
Listener.Start();
while (true)
{
HttpListenerContext Context = await Listener.GetContextAsync().ConfigureAwait(false);
_ = Task.Factory.StartNew((Para) =>
{
try
{
HttpListenerContext HttpContext = Para as HttpListenerContext;
if (HttpContext.Request.Url.LocalPath.Substring(1) == FilePathMap.Key)
{
if (FileSystemStorageItemBase.Open(FilePathMap.Value, ItemFilters.File) is FileSystemStorageItemBase ShareFile)
{
using (FileStream Stream = ShareFile.GetFileStreamFromFile(AccessMode.Read))
{
try
{
Context.Response.AddHeader("Pragma", "No-cache");
Context.Response.AddHeader("Cache-Control", "No-cache");
Context.Response.AddHeader("Content-Disposition", $"Attachment;filename={Uri.EscapeDataString(ShareFile.Name)}");
Context.Response.ContentLength64 = Stream.Length;
Context.Response.ContentType = "application/octet-stream";
Stream.CopyTo(Context.Response.OutputStream);
}
catch (HttpListenerException ex)
{
LogTracer.Log(ex);
}
finally
{
Context.Response.Close();
}
}
}
}
else
{
string ErrorMessage = $"<html><head><title>Error 404 Bad Request</title></head><body><p style=\"font-size:50px\">HTTP ERROR 404</p><p style=\"font-size:40px\">{Globalization.GetString("WIFIShare_Error_Web_Content")}</p></body></html>";
Context.Response.StatusCode = 404;
Context.Response.StatusDescription = "Bad Request";
Context.Response.ContentType = "text/html";
Context.Response.ContentEncoding = Encoding.UTF8;
using (StreamWriter Writer = new StreamWriter(Context.Response.OutputStream, Encoding.UTF8))
{
Writer.Write(ErrorMessage);
}
Context.Response.Close();
}
}
catch (Exception e)
{
LogTracer.Log(e);
ThreadExitedUnexpectly?.Invoke(this, e);
}
}, Context, Cancellation.Token, TaskCreationOptions.LongRunning, TaskScheduler.Current);
}
}
catch (ObjectDisposedException)
{
IsListeningThreadWorking = false;
}
catch (Exception e)
{
IsListeningThreadWorking = false;
ThreadExitedUnexpectly?.Invoke(this, e);
}
finally
{
Cancellation?.Dispose();
Cancellation = null;
}
}
