public void ReadAllText(string filename, Action<string> completed)
{
StorageFolder localFolder =
ApplicationData.Current.LocalFolder;
IAsyncOperation<StorageFile> createOp =
localFolder.GetFileAsync(filename);
createOp.Completed = (asyncInfo1, asyncStatus1) =>
{
IStorageFile storageFile = asyncInfo1.GetResults();
IAsyncOperation<IRandomAccessStreamWithContentType>
openOp = storageFile.OpenReadAsync();
openOp.Completed = (asyncInfo2, asyncStatus2) =>
{
IRandomAccessStream stream = asyncInfo2.GetResults();
DataReader dataReader = new DataReader(stream);
uint length = (uint)stream.Size;
DataReaderLoadOperation loadOp =
dataReader.LoadAsync(length);
loadOp.Completed = (asyncInfo3, asyncStatus3) =>
{
string text = dataReader.ReadString(length);
dataReader.Dispose();
completed(text);
};
};
};
}
/// <summary>
/// Read string content from file.
/// </summary>
/// <param name="path">Location of file, separate by //.</param>
/// <param name="rootFolder"> </param>
/// <returns>Content of file.</returns>
public async Task<string> ReadFromFileAsync(string path, StorageFolder rootFolder = null)
{
if (path == null)
{
return null;
}
try
{
var file = await GetFileToReadAsync(path, rootFolder);
if (file == null)
{
return null;
}
var readStream = await file.OpenAsync(FileAccessMode.Read);
var inputStream = readStream.GetInputStreamAt(0);
var dataReader = new DataReader(inputStream);
var numBytesLoaded = await dataReader.LoadAsync((uint)readStream.Size);
var content = dataReader.ReadString(numBytesLoaded);
dataReader.DetachStream();
dataReader.Dispose();
inputStream.Dispose();
readStream.Dispose();
return content;
}
catch
{
return null;
}
}
private async void ReceiveImage(StreamSocket socket)
{
// DataReader erzeugen, um arbeiten mit Bytes zu vereinfachen
var reader = new DataReader(socket.InputStream);
// Anzahl der Bytes abrufen, aus denen das Bild besteht
// Anzahl = int = 4 Bytes => 4 Bytes vom Socket laden
await reader.LoadAsync(4);
int imageSize = reader.ReadInt32();
// Bytearray des Bildes laden
await reader.LoadAsync((uint)imageSize);
byte[] imageBytes = new byte[imageSize];
reader.ReadBytes(imageBytes);
// Bytearray in Stream laden und anzeigen
using (var ms = new MemoryStream(imageBytes))
{
var image = new BitmapImage();
image.SetSource(ms);
ReceivedImage.Source = image;
}
Status.Text = "Bild empfangen.";
// Ressourcen freigeben
reader.Dispose();
socket.Dispose();
}
private async void send_file_tcp(String ipadd, int port)
{
try
{
_tcpclient = new StreamSocket();
await _tcpclient.ConnectAsync(new HostName(ipadd), port.ToString());
_datawriter = new DataWriter(_tcpclient.OutputStream);
StorageFolder folder = KnownFolders.PicturesLibrary;
StorageFile file = await folder.GetFileAsync(this.filepath);
IRandomAccessStreamWithContentType filestream = await file.OpenReadAsync();
_datareader = new DataReader(filestream);
while ((_length = await _datareader.LoadAsync(63 * 1024)) != 0)
{
_tosend = new byte[_length];
_datareader.ReadBytes(_tosend);
_datawriter.WriteBytes(_tosend);
await _datawriter.StoreAsync();
}
filestream.Dispose();
_datareader.Dispose();
_datawriter.Dispose();
_tcpclient.Dispose();
_message = format_message(_stopwatch.Elapsed, "File Transfer", "OK", this.filepath);
this.callback.on_file_received(_message, this.results);
this.main_view.text_to_logs(_message.Replace("\t", " "));
_stopwatch.Stop();
}
catch (Exception e)
{
append_error_tolog(e, _stopwatch.Elapsed, ipadd);
}
}
async private void recieveData()
{
StreamSocketListener listener = new StreamSocketListener();
DataReader dr = new DataReader(newSocket.InputStream);
dr.InputStreamOptions = InputStreamOptions.Partial;
string msg = null;
try
{
var count = await dr.LoadAsync(8192);
if (count > 0)
msg = dr.ReadString(count);
}
catch { }
dr.DetachStream();
dr.Dispose();
try
{
pdu2 = new PDU(msg);
Execution temp = pdu2.Data.ToObject(typeof(Execution));
_stepCollection.Clear();
foreach (Step steps in temp.CurrentSequence.StepList)
{
_stepCollection.Add(steps);
}
}
catch (Exception e) { }
Execution temp2 = pdu2.Data.ToObject(typeof(Execution));
if (temp2.State == Execution.ExecutionStates.FINISHED || temp2.State == Execution.ExecutionStates.TERMINATED)
{
PDU pdu3 = new PDU(){
MessageID = (int)CommandMessageID.ResetTS,
MessageDescription = "Server please, reset TS",
MessageType = "Command",
Source = "Demo.Client",
Data = new JObject()
};
sendData(pdu3);
} else { recieveData(); }
}
private async void ReceiveImage(PeerInformation peer)
{
try
{
Status.Text = "Verbinde mit Peer...";
StreamSocket peerSocket = await PeerFinder.ConnectAsync(peer);
Status.Text = "Verbunden. Empfange Daten...";
// DataReader erzeugen, um arbeiten mit Bytes zu vereinfachen
var reader = new DataReader(peerSocket.InputStream);
// Anzahl der Bytes abrufen, aus denen das Bild besteht
// Anzahl = int = 4 Bytes => 4 Bytes vom Socket laden
await reader.LoadAsync(4);
int imageSize = reader.ReadInt32();
// Bytearray des Bildes laden
await reader.LoadAsync((uint)imageSize);
byte[] imageBytes = new byte[imageSize];
reader.ReadBytes(imageBytes);
// Bytearray in Stream laden und anzeigen
using (var ms = new MemoryStream(imageBytes))
{
var image = new BitmapImage();
image.SetSource(ms);
ReceivedImage.Source = image;
}
Status.Text = "Bild empfangen.";
// Ressourcen freigeben
reader.Dispose();
peerSocket.Dispose();
// Wieder Verbindungen akzeptieren
PeerFinder.Start();
}
catch (Exception ex)
{
MessageBox.Show("Fehler: " + ex.Message);
Status.Text = "Bereit.";
}
}
public override void Run()
{
#if WINRT
StorageFile file = Package.Current.InstalledLocation.GetFileAsync(_path).AsTask().Result;
using(var raStream = file.OpenReadAsync().AsTask().Result)
{
byte[] blob = new byte[CHUNK_SIZE];
while (IsRunning && raStream.CanRead)
{
DataReader reader = new DataReader(raStream.GetInputStreamAt(0));
reader.InputStreamOptions = InputStreamOptions.Partial;
try
{
reader.LoadAsync((uint)blob.Length).AsTask().Wait();
int bytesRead = 0;
while (reader.UnconsumedBufferLength > 0)
{
blob[bytesRead++] = reader.ReadByte();
}
if (bytesRead > 0)
{
HandleData(blob, bytesRead);
}
}
catch (Exception)
{
}
finally
{
reader.DetachStream();
reader.Dispose();
}
if (raStream.Position >= raStream.Size)
{
Terminate();
break;
}
Task.Delay(INTERVAL).Wait();
}
}
#else
byte [] blob = new byte[CHUNK_SIZE];
while(IsRunning && _fileStream.CanRead)
{
int read = _fileStream.Read(blob, 0, CHUNK_SIZE);
if( read > 0 )
{
HandleData(blob, read);
}
if(_fileStream.CanSeek && _fileStream.Position >= _fileStream.Length)
{
Terminate();
break;
}
Thread.Sleep(INTERVAL);
}
#endif
}
private void DoNextRead(byte[] blob)
{
DataReader reader = new DataReader(_socket.InputStream);
reader.InputStreamOptions = InputStreamOptions.Partial;
var task = Task.Run(() =>
{
try
{
reader.LoadAsync((uint)blob.Length).AsTask().Wait();
uint bytesRead = 0;
while(reader.UnconsumedBufferLength > 0)
{
blob[bytesRead++] = reader.ReadByte();
}
if(bytesRead > 0)
{
OnReceive(blob, bytesRead);
}
}
catch(Exception)
{
}
finally
{
reader.DetachStream();
reader.Dispose();
}
});
}
private async void _tcp_ConnectionReceived(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
try
{
scan_transfer_speed();
_datareader = new DataReader(args.Socket.InputStream);
_datareader.InputStreamOptions = InputStreamOptions.Partial;
StorageFolder folder = KnownFolders.PicturesLibrary;
StorageFile file = await folder.CreateFileAsync(this.filepath, CreationCollisionOption.ReplaceExisting);
IRandomAccessStream filestream = await file.OpenAsync(FileAccessMode.ReadWrite);
IOutputStream filewriter = filestream.GetOutputStreamAt(0);
_datawriter = new DataWriter(filewriter);
while (!((_length = await _datareader.LoadAsync(63 * 1024)) == 0))
{
_buffer = new byte[_length];
_datareader.ReadBytes(_buffer);
_transferspeed += _length;
if (_write)
{
_transferspeed /= 1024;
_message = format_message(_stopwatch.Elapsed, "Transferspeed", _transferspeed.ToString(), " kB/s");
this.callback.on_transfer_speed_change(_message, this.results);
this.main_view.text_to_logs(_message.Replace("\t", " "));
_transferspeed = 0;
_write = false;
}
_datawriter.WriteBytes(_buffer);
await _datawriter.StoreAsync();
}
_datawriter.Dispose();
filewriter.Dispose();
filestream.Dispose();
_datareader.Dispose();
_timer.Cancel();
_transferspeed /= 1024;
_message = format_message(_stopwatch.Elapsed, "Transferspeed", _transferspeed.ToString(), " kB/s");
this.callback.on_transfer_speed_change(_message, this.results);
this.main_view.text_to_logs(_message.Replace("\t", " "));
_message = format_message(_stopwatch.Elapsed, "File Transfer", "OK", this.filepath);
this.callback.on_file_received(_message, this.results);
this.main_view.text_to_logs(_message.Replace("\t", " "));
_tcplistener.Dispose();
_stopwatch.Stop();
}
catch (Exception e)
{
append_error_tolog(e, _stopwatch.Elapsed, "");
}
}
public override async void send_file(String devicename, String bluid, int not)
{
try {
_stopwatch.Start();
PeerFinder.AllowBluetooth = true;
PeerFinder.AlternateIdentities["Bluetooth:SDP"] = "{" + bluid + "}";
var peers = await PeerFinder.FindAllPeersAsync();
foreach (var p in peers)
{
if (p.DisplayName.Equals(devicename))
{
_peer_info = p;
break;
}
}
_bluetooth_client = new StreamSocket();
if (_peer_info.ServiceName.Equals(""))
{
await _bluetooth_client.ConnectAsync(_peer_info.HostName, "{" + bluid + "}");
}
else
{
await _bluetooth_client.ConnectAsync(_peer_info.HostName, _peer_info.ServiceName);
}
StorageFolder folder = KnownFolders.PicturesLibrary;
StorageFile file = await folder.GetFileAsync(this.filepath);
IRandomAccessStreamWithContentType filestream = await file.OpenReadAsync();
_length = (uint)filestream.Size;
_ibuffer = new Windows.Storage.Streams.Buffer(_length);
_datareader = new DataReader(filestream);
await _datareader.LoadAsync(_length);
_ibuffer = _datareader.ReadBuffer(_length);
_datawriter = new DataWriter(_bluetooth_client.OutputStream);
_datawriter.WriteBuffer(_ibuffer);
await _datawriter.StoreAsync();
filestream.Dispose();
_datareader.Dispose();
_datawriter.Dispose();
_datareader = new DataReader(_bluetooth_client.InputStream);
_datareader.InputStreamOptions = InputStreamOptions.Partial;
scan_received_acks();
while (true)
{
uint count = await _datareader.LoadAsync(4);
byte[] ack = new byte[count];
_datareader.ReadBytes(ack);
_counter_all_acks += BitConverter.ToInt32(ack, 0);
if ((uint)_counter_all_acks == _length) break;
}
_datareader.Dispose();
_bluetooth_client.Dispose();
_message = format_message(_stopwatch.Elapsed, "File Transfer", "OK", this.filepath);
this.callback.on_file_received(_message, this.results);
this.main_view.text_to_logs(_message.Replace("\t", " "));
_ack_timer.Cancel();
_stopwatch.Stop();
}
catch (Exception e)
{
append_error_tolog(e, _stopwatch.Elapsed, devicename);
}
}
private async void OnRead(Object sender, RoutedEventArgs e)
{
StorageFolder local = ApplicationData.Current.LocalFolder;
StorageFile file = await local.GetFileAsync("demo.dat");
if(file != null)
{
string strres = "读到的内容：\n";
using(IRandomAccessStream stream = await file.OpenReadAsync())
{
DataReader dr = new DataReader(stream);
dr.UnicodeEncoding = UnicodeEncoding.Utf8;
await dr.LoadAsync((uint)stream.Size);
bool b = dr.ReadBoolean();
strres += b.ToString() + "\n";
DateTimeOffset dt = dr.ReadDateTime();
strres += dt.ToString("yyyy-M-d") + "\n";
uint len = dr.ReadUInt32();
if(len > 0)
{
strres += dr.ReadString(len);
}
dr.Dispose();
}
tbResult.Text = strres;
}
}
public void Load(string filename)
{
#if !WINDOWS_PHONE // iOS and Android
string docsPath = Environment.GetFolderPath(
Environment.SpecialFolder.Personal);
string filepath = Path.Combine(docsPath, filename);
string text = File.ReadAllText(filepath);
// Break string into Title and Text.
int index = text.IndexOf('\n');
this.Title = text.Substring(0, index);
this.Text = text.Substring(index + 1);
#else // Windows Phone
StorageFolder localFolder =
ApplicationData.Current.LocalFolder;
IAsyncOperation<StorageFile> createOp =
localFolder.GetFileAsync(filename);
createOp.Completed = (asyncInfo1, asyncStatus1) =>
{
IStorageFile storageFile = asyncInfo1.GetResults();
IAsyncOperation<IRandomAccessStreamWithContentType>
openOp = storageFile.OpenReadAsync();
openOp.Completed = (asyncInfo2, asyncStatus2) =>
{
IRandomAccessStream stream = asyncInfo2.GetResults();
DataReader dataReader = new DataReader(stream);
uint length = (uint)stream.Size;
DataReaderLoadOperation loadOp =
dataReader.LoadAsync(length);
loadOp.Completed = (asyncInfo3, asyncStatus3) =>
{
string text = dataReader.ReadString(length);
dataReader.Dispose();
// Break string into Title and Text.
int index = text.IndexOf('\n');
this.Title = text.Substring(0, index);
this.Text = text.Substring(index + 1);
};
};
};
#endif
}
async void PeerFinder_StartReader(DataReader socketReader)
{
try
{
uint bytesRead = await socketReader.LoadAsync(sizeof(uint));
if (bytesRead > 0)
{
uint strLength = (uint)socketReader.ReadUInt32();
bytesRead = await socketReader.LoadAsync(strLength);
if (bytesRead > 0)
{
String message = socketReader.ReadString(strLength);
this.NotifyUser("Got message: " + message, NotifyType.PeerMessage);
PeerFinder_StartReader(socketReader); // Start another reader
}
else
{
SocketError("The remote side closed the socket");
socketReader.Dispose();
}
}
else
{
SocketError("The remote side closed the socket");
socketReader.Dispose();
}
}
catch (Exception e)
{
if (!_socketClosed)
{
SocketError("Reading from socket failed: " + e.Message);
}
socketReader.Dispose();
}
}
async private void recieveData()
{
StreamSocketListener listener = new StreamSocketListener();
DataReader dr = new DataReader(socket.InputStream);
dr.InputStreamOptions = InputStreamOptions.Partial;
string msg = null;
var count = await dr.LoadAsync(4096);
if (count > 0)
msg = dr.ReadString(count);
recievedMessage.Text = msg;
dr.DetachStream();
dr.Dispose();
try
{
PDU pdu2 = new PDU(msg);
Procedure temp = pdu2.Data.ToObject(typeof(Procedure));
_kakecollection.Add(new kakeclass { Name = temp.Name, Description = temp.Description, Date = temp.Date });
}
catch (Exception e) { recievedMessage.Text = "Failed to cast incomming message to usable type: PDU"; }
try
{
listener.ConnectionReceived += listener_ConnectionReceived;
await listener.BindServiceNameAsync(socketString);
}
catch (Exception e) { recievedMessage.Text = e.ToString(); }
}
async void StartReceiveData(DataReader socketReader)
{
try
{
uint bytesRead = await socketReader.LoadAsync(sizeof(uint));
if (bytesRead > 0)
{
uint strLength = (uint)socketReader.ReadUInt32();
bytesRead = await socketReader.LoadAsync(strLength);
if (bytesRead > 0)
{
byte[] bytesIn = new byte[bytesRead];
Debug.WriteLine("ReadBytes");
socketReader.ReadBytes(bytesIn);
Debug.WriteLine("ReadBytes End");
if (DataReceived != null)
{
DataReceivedEventArgs args = new DataReceivedEventArgs();
args.Bytes = bytesIn;
DataReceived(this, args);
}
StartReceiveData(socketReader); // Start another reader
}
else
{
SocketError("The remote side closed the socket");
socketReader.Dispose();
UpdateConnectionStatus(ConnectionStatus.Disconnected);
}
}
else
{
SocketError("The remote side closed the socket");
socketReader.Dispose();
UpdateConnectionStatus(ConnectionStatus.Disconnected);
}
}
catch (Exception e)
{
if (!_socketClosed)
{
SocketError("Reading from socket failed: " + e.Message);
}
socketReader.Dispose();
}
}
async private void recieveData()
{
StreamSocketListener listener = new StreamSocketListener();
DataReader dr = new DataReader(socket.InputStream);
dr.InputStreamOptions = InputStreamOptions.Partial;
string msg = null;
var count = await dr.LoadAsync(8192);
if (count > 0)
msg = dr.ReadString(count);
dr.DetachStream();
dr.Dispose();
try
{
pdu2 = new PDU(msg);
ListOfProcedures temp = pdu2.Data.ToObject(typeof(ListOfProcedures));
foreach (Procedure pro in temp.ProcedureList)
{
_kakecollection.Add(pro);
}
}
catch (Exception e) { recievedMessage.Text = "Failed to cast incomming message to usable type: PDU"; }
}
private async Task<FileImportResult> DoImportFromCSV()
{
string contents = "";
FileImportResult res;
try
{
using (IRandomAccessStream stream = await sf.OpenAsync(FileAccessMode.Read))
{
using (DataReader textReader = new DataReader(stream))
{
uint textLength = (uint)stream.Size;
await textReader.LoadAsync(textLength);
contents = textReader.ReadString(textLength);
textReader.Dispose();
}
stream.Dispose();
}
res = fileController.ImportFromCSV(contents, contactMode);
return res;
}
catch(Exception importException)
{
//Access Denied!
System.Diagnostics.Debug.WriteLine(importException.Message);
res = new FileImportResult();
res.errorCode = FileImExportController.CODE_FILE_IN_USE;
return res;
}
}