private async Task<string> DoCommand(string command)
{
StringBuilder strBuilder = new StringBuilder();
using (StreamSocket clientSocket = new StreamSocket())
{
await clientSocket.ConnectAsync(new HostName("192.168.9.108"), "9001");
using (DataWriter writer = new DataWriter(clientSocket.OutputStream))
{
writer.WriteString(command);
await writer.StoreAsync();
writer.DetachStream();
}
using (DataReader reader = new DataReader(clientSocket.InputStream))
{
reader.InputStreamOptions = InputStreamOptions.Partial;
await reader.LoadAsync(8192);
while (reader.UnconsumedBufferLength > 0)
{
strBuilder.Append(reader.ReadString(reader.UnconsumedBufferLength));
await reader.LoadAsync(8192);
}
reader.DetachStream();
}
}
return (strBuilder.ToString());
}
private async Task<RfidReaderResult> Read()
{
RfidReaderResult retvalue = new RfidReaderResult();
var dataReader = new DataReader(_rfidReader.InputStream);
try
{
SetStatus("Awaiting Data from RFID Reader");
var numBytesRecvd = await dataReader.LoadAsync(1024);
retvalue.Result = new byte[numBytesRecvd];
if (numBytesRecvd > 0)
{
SetStatus("Data successfully read from RFID Reader");
dataReader.ReadBytes(retvalue.Result);
retvalue.IsSuccessful = true;
retvalue.Message = "Data successfully read from RFID Reader";
}
}
catch (Exception ex)
{
retvalue.IsSuccessful = false;
retvalue.Message = ex.Message;
}
finally
{
if (dataReader != null)
{
dataReader.DetachStream();
dataReader = null;
}
}
return retvalue;
}
private async void read_data()
{
ifListening = true;
// int read_msg_counter = 2;
using (var reader = new Windows.Storage.Streams.DataReader(streamSocket.InputStream)){
reader.InputStreamOptions = Windows.Storage.Streams.InputStreamOptions.ReadAhead;
reader.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
reader.ByteOrder = Windows.Storage.Streams.ByteOrder.LittleEndian;
await reader.LoadAsync(4);
while (reader.UnconsumedBufferLength > 0)
{
// read_msg_counter--;
int bytesToRerad = reader.ReadInt32();
// Debug.Log("bytes to read: " + bytesToRerad);
if (bytesToRerad <= 0)
{
return;
}
await reader.LoadAsync(Convert.ToUInt32(bytesToRerad));
byte[] buffer = new byte[bytesToRerad];
reader.ReadBytes(buffer);
processReceivedData(buffer, bytesToRerad);
await reader.LoadAsync(4);
}
reader.DetachStream();
}
ifListening = false;
}
public async Task <string> ReadLogFile(string fileName)
{
if (fileName != this.FQP)
{
int index = fileName.IndexOf(DIRECTORY_NAME);
fileName = fileName.Substring(index);
var file = await Windows.Storage.ApplicationData.Current.LocalFolder.CreateFileAsync(fileName, CreationCollisionOption.OpenIfExists);
if (file == null)
{
return("");
}
return(await Windows.Storage.FileIO.ReadTextAsync(file));
}
if (_logFile != null)
{
using (var inputStream = _stream.GetInputStreamAt(0))
{
Windows.Storage.Streams.DataReader reader = new Windows.Storage.Streams.DataReader(inputStream);
await reader.LoadAsync((uint)_stream.Size);
string data = reader.ReadString((uint)_stream.Size);
reader.DetachStream();
return(data);
}
}
return("");
}
/// <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;
}
}
public static async Task<string> ReadLine(this IInputStream inputStream)
{
using (var dataReader = new DataReader(inputStream))
{
var line = await dataReader.ReadLine();
dataReader.DetachStream();
return line;
}
}
public async Task <T> LoadASync(string FileName)
{
FileName = FileName + ".xml";
try
{
StorageFile file = null;
StorageFolder folder = GetFolder(storageType);
file = await folder.GetFileAsync(FileName);
//using (var readStream = await file.OpenAsync(FileAccessMode.Read))
//{
// Windows.Storage.Streams.DataReader reader = new Windows.Storage.Streams.DataReader(readStream);
// await reader.LoadAsync((uint)readStream.Size);
// string data = reader.ReadString((uint)readStream.Size);
// if (data == null)
// {
// }
//}
using (var readStream = await file.OpenAsync(FileAccessMode.Read))
{
//Stream inStream = Task.Run(() => readStream.AsStreamForRead()).Result;
//return (T)serializer.Deserialize(inStream);
var inStream = readStream.GetInputStreamAt(0);
Windows.Storage.Streams.DataReader reader = new Windows.Storage.Streams.DataReader(inStream);
await reader.LoadAsync((uint)readStream.Size);
string data = reader.ReadString((uint)readStream.Size);
reader.DetachStream();
MemoryStream ms = new MemoryStream(UTF8Encoding.UTF8.GetBytes(data));
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
T result = (T)ser.ReadObject(ms);
return(result);
}
}
catch (FileNotFoundException)
{
//file not existing is perfectly valid so simply return the default
return(default(T));
//throw;
}
catch (Exception)
{
//Unable to load contents of file
throw;
}
}
internal static async Task<string> ReadTextAsync(this StorageFile file)
{
using (var fs = await file.OpenAsync(FileAccessMode.Read))
{
using (var inStream = fs.GetInputStreamAt(0))
{
using (var dataReader = new DataReader(inStream))
{
await dataReader.LoadAsync((uint)fs.Size);
var data = dataReader.ReadString((uint)fs.Size);
dataReader.DetachStream();
return data;
}
}
}
}
/// <summary>
/// Копировать из RT потока в .NET поток с прогрессом.
/// </summary>
/// <param name="src">Исхоный поток.</param>
/// <param name="outStream">Поток результата.</param>
/// <param name="progress">Прогресс.</param>
/// <param name="token">Токен отмены.</param>
/// <param name="bufferSize">Размер буфера.</param>
/// <returns>Таск.</returns>
public static async Task CopyToNetStreamWithProgress(this IInputStream src, Stream outStream, IProgress<ulong> progress, CancellationToken token, uint bufferSize = 16384)
{
ulong totalRead = 0;
using (var rd = new DataReader(src))
{
progress.Report(0);
do {
token.ThrowIfCancellationRequested();
var r = await rd.LoadAsync(bufferSize);
totalRead += r;
progress.Report(totalRead);
if (r <= 0) break;
var buf = new byte[r];
rd.ReadBytes(buf);
await outStream.WriteAsync(buf, 0, (int)r, token);
} while (true);
rd.DetachStream();
}
}
public async void StartReader(ConnectedPeer connectedPeer)
{
try
{
using (var socketReader = new Windows.Storage.Streams.DataReader(connectedPeer._socket.InputStream))
{
// Read the message sent by the remote peer
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);
OnRaiseMessageEvent(new MessageEventArgs("Got message: " + message));
StartReader(connectedPeer); // Start another reader
}
else
{
OnRaiseSocketErrorEvent(new SocketEventArgs("The remote side closed the socket"));
}
}
else
{
OnRaiseSocketErrorEvent(new SocketEventArgs("The remote side closed the socket"));
}
socketReader.DetachStream();
}
}
catch (Exception e)
{
if (!connectedPeer._socketClosed)
{
OnRaiseSocketErrorEvent(new SocketEventArgs("Reading from socket failed: " + e.Message));
}
}
}
public static async Task<string> ReadFromFile(
string fileName,
StorageFolder folder = null)
{
folder = folder ?? ApplicationData.Current.LocalFolder;
var file = await folder.GetFileAsync(fileName);
using (var fs = await file.OpenAsync(FileAccessMode.Read))
{
using (var inStream = fs.GetInputStreamAt(0))
{
using (var reader = new DataReader(inStream))
{
await reader.LoadAsync((uint)fs.Size);
string data = reader.ReadString((uint)fs.Size);
reader.DetachStream();
return data;
}
}
}
}
public static async Task<DateTimeOffset?> RetrieveLinkerTimestamp(Assembly assembly)
{
var pkg = Windows.ApplicationModel.Package.Current;
if (null == pkg)
{
return null;
}
var assemblyFile = await pkg.InstalledLocation.GetFileAsync(assembly.ManifestModule.Name);
if (null == assemblyFile)
{
return null;
}
using (var stream = await assemblyFile.OpenSequentialReadAsync())
{
using (var reader = new DataReader(stream))
{
const int PeHeaderOffset = 60;
const int LinkerTimestampOffset = 8;
//read first 2048 bytes from the assembly file.
byte[] b = new byte[2048];
await reader.LoadAsync((uint)b.Length);
reader.ReadBytes(b);
reader.DetachStream();
//get the pe header offset
int i = System.BitConverter.ToInt32(b, PeHeaderOffset);
//read the linker timestamp from the PE header
int secondsSince1970 = System.BitConverter.ToInt32(b, i + LinkerTimestampOffset);
var dt = new DateTimeOffset(1970, 1, 1, 0, 0, 0, DateTimeOffset.Now.Offset) + DateTimeOffset.Now.Offset;
return dt.AddSeconds(secondsSince1970);
}
}
}
private async void ValidateAndLoadSketch()
{
if (!_isJavascriptReady || !_isBrowserLoaded)
return;
var file = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///sketch.pde", UriKind.RelativeOrAbsolute));
using (var fs = await file.OpenAsync(FileAccessMode.ReadWrite))
{
using (var inStream = fs.GetInputStreamAt(0))
{
using (var dataReader = new DataReader(inStream))
{
await dataReader.LoadAsync((uint)fs.Size);
_sketchText = dataReader.ReadString((uint)fs.Size);
dataReader.DetachStream();
}
}
}
if (_sketchText != "")
Browser.InvokeScript("loadSketch", new[] { _sketchText });
}
//
// TCP server and TCP client common.
//
private async Task<string> ReadUntilCrLf(IInputStream inputStream, TextBlock outputTextBlock)
{
DataReader reader = new DataReader(inputStream);
reader.InputStreamOptions = InputStreamOptions.Partial;
string message = "";
while (!message.EndsWith("\r\n"))
{
// Read bytes in multiples of 16, to make it more fun.
// If the socket is closed while we are reading, the "The I/O operation has
// been aborted because of either a thread exit or an application request.
// (Exception from HRESULT: 0x800703E3)" exception is thrown.
uint bytesRead = await reader.LoadAsync(16);
if (bytesRead == 0)
{
// If bytesRead is zero, incoming stream was closed.
DisplayOutput(outputTextBlock, "The connection was closed by remote host.");
break;
}
// TODO: Why DataReader doesn't have ReadChar()?
message += reader.ReadString(bytesRead);
}
// Do not use Dispose(). If used, streams cannot be used anymore.
//reader.Dispose();
// Without this, the DataReader destructor will close the stream, and closing the
// stream might set the FIN control bit.
reader.DetachStream();
return message;
}
public static async Task<string> Recive(StreamSocket streamSocket, List<string> orstarts, List<string> orends, List<string> andstarts, List<string> andends)
{
string returnString = string.Empty;
try
{
using (var dataReader = new DataReader(streamSocket.InputStream))
{
dataReader.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
dataReader.InputStreamOptions = InputStreamOptions.Partial;
var end = false;
while (!end && await dataReader.LoadAsync(64000) != 0)
{
string readString;
var buffer = dataReader.ReadBuffer(dataReader.UnconsumedBufferLength);
using (var dr = DataReader.FromBuffer(buffer))
{
var bytes1251 = new Byte[buffer.Length];
dr.ReadBytes(bytes1251);
readString = Encoding.GetEncoding("UTF-8").GetString(bytes1251, 0, bytes1251.Length);
}
if (!string.IsNullOrEmpty(readString))
returnString += readString;
if (readString == null)
{
end = true;
}
else if (orstarts.FirstOrDefault(o => returnString.StartsWith(o)) != null)
{
end = true;
}
else if (orends.FirstOrDefault(o => returnString.EndsWith(o)) != null)
{
end = true;
}
else if (andstarts.FirstOrDefault(o => returnString.StartsWith(o)) != null
&& andends.FirstOrDefault(o => returnString.EndsWith(o)) != null)
{
end = true;
}
}
dataReader.DetachStream();
}
}
catch(Exception ex)
{
Debug.WriteLine(ex.Message);
returnString = string.Empty;
}
return returnString;
}
public IAsyncOperation<string> Connect() {
var window = CoreWindow.GetForCurrentThread();
return Task.Run<string>(async () =>
{
try
{
var socket = this.socket = new Windows.Networking.Sockets.StreamSocket();
await socket.ConnectAsync(new HostName("talk.google.com"), "5222", SocketProtectionLevel.PlainSocket);
await log(window, "connected!");
reader = new DataReader(socket.InputStream);
writer = new DataWriter(socket.OutputStream);
reader.InputStreamOptions = InputStreamOptions.Partial;
Write("<?xml version='1.0'?>\n<stream:stream to='" + server + "' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>");
xmlStream = new XmlStream();
bool shouldRead = true;
xmlStream.SetCallback(async (promptRead, data) => {
await log(window, "data " + data);
if (promptRead)
{
if (shouldRead)
{
await log(window, "prompt read");
await reader.LoadAsync(4096);
var buffer = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(buffer);
await log(window, "in " + Encoding.UTF8.GetString(buffer, 0, buffer.Length));
xmlStream.Update(buffer, 0, buffer.Length);
}
else
{
await log(window, "read blocked");
}
}
else if (data.IndexOf("stream:features") != -1)
{
Write("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls' />");
}
else if (data.IndexOf("proceed") != -1)
{
await log(window, "SSL Strength: " + socket.Information.ProtectionLevel);
writer.DetachStream();
reader.DetachStream();
shouldRead = false;
if (server == "gmail.com")
{
await socket.UpgradeToSslAsync(SocketProtectionLevel.Ssl, new Windows.Networking.HostName("gmail.com"));
}
else
{
await socket.UpgradeToSslAsync(SocketProtectionLevel.Ssl, new Windows.Networking.HostName("talk.google.com"));
}
writer = new DataWriter(socket.OutputStream);
reader = new DataReader(socket.InputStream);
reader.InputStreamOptions = InputStreamOptions.Partial;
await log(window, "upgraded!");
await log(window, "SSL Strength: " + socket.Information.ProtectionLevel);
Write("<?xml version='1.0'?>\n<stream:stream to='" + server + "' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>");
xmlStream.SetCallback(async (shouldRead2, data2) =>
{
await log(window, "data " + data2);
if (shouldRead2)
{
await reader.LoadAsync(4096);
var buffer = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(buffer);
await log(window, "in " + Encoding.UTF8.GetString(buffer, 0, buffer.Length));
xmlStream.Update(buffer, 0, buffer.Length);
}
else if (data2.Contains("X-GOOGLE-TOKEN"))
{
var token = Convert.ToBase64String(Encoding.UTF8.GetBytes('\x00' + this.username + '\x00' + this.auth));
Write("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='X-GOOGLE-TOKEN'>" + token + "</auth>");
}
else if (data2.Contains("failure"))
{
if (Disconnect != null) Disconnect(this, "auth failure");
}
else if (data2.Contains("success"))
{
var messageEvent = Message;
xmlStream.SetCallback(async (shouldRead3, data3) =>
{
if (shouldRead3)
{
await reader.LoadAsync(4096);
var buffer = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(buffer);
await log(window, "in " + Encoding.UTF8.GetString(buffer, 0, buffer.Length));
xmlStream.Update(buffer, 0, buffer.Length);
}
else if (data3 == "</stream:stream>")
{
await disconnect(window, "end of stream");
}
else if (!data3.StartsWith("<stream:stream"))
{
await message(window, data3);
}
});
Write("<?xml version='1.0'?>\n<stream:stream to='" + server + "' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>");
}
else if (!data2.StartsWith("<stream:stream"))
{
await log(window, "Ummm not sure what to do with '" + data2 + "'. flee.");
if (Disconnect != null) Disconnect(this, "protocol error");
}
});
}
else if (!data.StartsWith("<stream:stream"))
{
await log(window, "Ummm not sure what to do with '" + data + "'. flee.");
if (Disconnect != null) Disconnect(this, "protocol error");
}
});
return "ok";
}
catch (Exception e)
{
return e.ToString();
}
}).AsAsyncOperation<string>();
}
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(); }
}
/// <summary>
/// Invoked when the socket listener accepts an incoming Bluetooth connection.
/// </summary>
/// <param name="sender">The socket listener that accepted the connection.</param>
/// <param name="args">The connection accept parameters, which contain the connected socket.</param>
private async void OnConnectionReceived(
StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
// Don't need the listener anymore
socketListener.Dispose();
socketListener = null;
try
{
socket = args.Socket;
}
catch (Exception e)
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser(e.Message, NotifyType.ErrorMessage);
});
Disconnect();
return;
}
// Note - this is the supported way to get a Bluetooth device from a given socket
var remoteDevice = await BluetoothDevice.FromHostNameAsync(socket.Information.RemoteHostName);
writer = new DataWriter(socket.OutputStream);
var reader = new DataReader(socket.InputStream);
bool remoteDisconnection = false;
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("Connected to Client: " + remoteDevice.Name, NotifyType.StatusMessage);
});
// Infinite read buffer loop
while (true)
{
try
{
// Based on the protocol we've defined, the first uint is the size of the message
uint readLength = await reader.LoadAsync(sizeof(uint));
// Check if the size of the data is expected (otherwise the remote has already terminated the connection)
if (readLength < sizeof(uint))
{
remoteDisconnection = true;
break;
}
uint currentLength = reader.ReadUInt32();
// Load the rest of the message since you already know the length of the data expected.
readLength = await reader.LoadAsync(currentLength);
// Check if the size of the data is expected (otherwise the remote has already terminated the connection)
if (readLength < currentLength)
{
remoteDisconnection = true;
break;
}
string message = reader.ReadString(currentLength);
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
ConversationListBox.Items.Add("Received: " + message);
});
}
// Catch exception HRESULT_FROM_WIN32(ERROR_OPERATION_ABORTED).
catch (Exception ex) when ((uint)ex.HResult == 0x800703E3)
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("Client Disconnected Successfully", NotifyType.StatusMessage);
});
break;
}
}
reader.DetachStream();
if (remoteDisconnection)
{
Disconnect();
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("Client disconnected",NotifyType.StatusMessage);
});
}
}
public async static Task<Tuple<string, bool>> ReadFrom(string fpathname)
{
#if WINDOWS_PHONE
return await Task.Run(() =>
{
using (var storage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!storage.FileExists(fpathname))
return new Tuple<string, bool>("", false);
using (var fileStream = storage.OpenFile(fpathname, FileMode.Open))
{
using (StreamReader sr = new StreamReader(fileStream))
{
string data = sr.ReadToEnd();
return new Tuple<string, bool>(data, true);
}
}
}
});
#elif NETFX_CORE
Tuple<string, bool> result = new Tuple<string, bool>("", false);
StorageFile file = null;
try
{
file = await ApplicationData.Current.LocalFolder.GetFileAsync(fpathname);
if (file == null)
return result;
}
catch (Exception)
{
return result;
}
using (var fs = await file.OpenAsync(FileAccessMode.Read))
{
using (var inStream = fs.GetInputStreamAt(0))
{
using (var reader = new DataReader(inStream))
{
await reader.LoadAsync((uint)fs.Size);
string data = reader.ReadString((uint)fs.Size);
reader.DetachStream();
result = new Tuple<string, bool>(data, true);
}
}
}
return result;
#else
return await Task.Run (() => {
try
{
string str = File.ReadAllText(fpathname);
return new Tuple<string, bool>(str, true);
}
catch (Exception)
{
return new Tuple<string, bool>("", false);
}
});
#endif
}
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 async void OnForegroundSocketClicked(object sender, RoutedEventArgs e)
{
socket = new StreamSocket();
HostName host = new HostName("localhost");
try
{
await socket.ConnectAsync(host, "1983");
isConnected = true;
while (isConnected)
{
try
{
DataReader reader;
using (reader = new DataReader(socket.InputStream))
{
// Set the DataReader to only wait for available data (so that we don't have to know the data size)
reader.InputStreamOptions = InputStreamOptions.Partial;
// The encoding and byte order need to match the settings of the writer we previously used.
reader.UnicodeEncoding = UnicodeEncoding.Utf8;
reader.ByteOrder = ByteOrder.LittleEndian;
// Send the contents of the writer to the backing stream.
// Get the size of the buffer that has not been read.
await reader.LoadAsync(256);
// Keep reading until we consume the complete stream.
while (reader.UnconsumedBufferLength > 0)
{
string readString = reader.ReadString(reader.UnconsumedBufferLength);
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
messages.Add(readString);
});
Debug.WriteLine(readString);
await reader.LoadAsync(256);
}
reader.DetachStream();
}
}
catch (Exception exc)
{
MessageDialog dialog = new MessageDialog("Error reading the data");
await dialog.ShowAsync();
}
}
}
catch (Exception exc)
{
MessageDialog dialog = new MessageDialog("Error connecting to the socket");
await dialog.ShowAsync();
}
}
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"; }
}
async private void ReadButton_Click(object sender, RoutedEventArgs e)
{
if (EventHandlerForDevice.Current.IsDeviceConnected)
{
try
{
rootPage.NotifyUser("Reading...", NotifyType.StatusMessage);
// We need to set this to true so that the buttons can be updated to disable the read button. We will not be able to
// update the button states until after the read completes.
IsReadTaskPending = true;
DataReaderObject = new DataReader(EventHandlerForDevice.Current.Device.InputStream);
UpdateReadButtonStates();
await ReadAsync(ReadCancellationTokenSource.Token);
}
catch (OperationCanceledException /*exception*/)
{
NotifyReadTaskCanceled();
}
catch (Exception exception)
{
MainPage.Current.NotifyUser(exception.Message.ToString(), NotifyType.ErrorMessage);
Debug.WriteLine(exception.Message.ToString());
}
finally
{
IsReadTaskPending = false;
DataReaderObject.DetachStream();
DataReaderObject = null;
UpdateReadButtonStates();
}
}
else
{
Utilities.NotifyDeviceNotConnected();
}
}
private static async Task<string> Receive(StreamSocket socket)
{
string result = null;
if (socket != null)
using (var reader = new DataReader(socket.InputStream))
{
reader.InputStreamOptions = InputStreamOptions.Partial;
uint sizeFieldLength = await reader.LoadAsync(sizeof(uint));
if (sizeFieldLength == sizeof(uint))
{
uint dataLength = reader.ReadUInt32();
uint actualDataLength = await reader.LoadAsync(dataLength);
if (dataLength == actualDataLength)
result = reader.ReadString(actualDataLength);
}
reader.DetachStream();
}
return result;
}
private static async Task<string> GetReceiptAsync(string productId)
{
var encryptedFilename = CipherEncryption(productId);
var encodedFileName = Convert.ToBase64String(encryptedFilename.ToArray());
var encodedAndEscapedFilename = encodedFileName.Replace('/', '-');
//var folder = ApplicationData.Current.RoamingFolder;
var folder = ApplicationData.Current.RoamingFolder;
if (folder == null) return "NoReceipt";
folder = await folder.CreateFolderAsync("Receipts", CreationCollisionOption.OpenIfExists);
try
{
var file = await folder.GetFileAsync(encodedAndEscapedFilename + ".pmd");
var stream = await file.OpenAsync(FileAccessMode.Read);
var dataReader = new DataReader(stream.GetInputStreamAt(0));
uint u = await dataReader.LoadAsync((uint)stream.Size);
IBuffer buffEncrypted = dataReader.ReadBuffer(u);
dataReader.DetachStream();
stream.Dispose();
stream = null;
var receipt = CipherDecryption(buffEncrypted);
if (productId.Contains("subscritpion") && DownloadManager.ReceiptExpired(receipt))
{
await file.DeleteAsync(StorageDeleteOption.PermanentDelete);
return "NoReceipt";
}
return receipt;
}
catch (Exception)
{
return "NoReceipt";
}
}
/// <summary>
/// Read the input stream of the data socket.
/// </summary>
/// <returns>FtpResponse containing what has been on the socket.</returns>
private async Task<FtpFileResponse> ReadSocketFileDataReceiver()
{
try
{
DataReader inputStream = new DataReader(socketDataReceiver.InputStream);
inputStream.InputStreamOptions = InputStreamOptions.Partial;
DataReaderLoadOperation loadOperation = inputStream.LoadAsync(2500);
await loadOperation;
if (loadOperation.Status != AsyncStatus.Completed)
{
return new FtpFileResponse(loadOperation.Status.ToString(), null);
}
//read complete message
uint byteCount = inputStream.UnconsumedBufferLength;
byte[] bytes = new byte[byteCount];
inputStream.ReadBytes(bytes);
FtpFileResponse lResponse = new FtpFileResponse(FtpConstants.CODE_TRANSFER_COMPLETE, bytes);
//detach stream so that it won't be closed when the datareader is disposed later
inputStream.DetachStream();
return lResponse;
}
catch (Exception e)
{
return new FtpFileResponse(Convert.ToString(e.HResult), null);
}
}
private static async Task<byte[]> ReadBytesAsync(StorageFile file)
{
using (var fs = await file.OpenAsync(FileAccessMode.Read))
{
using (var inStream = fs.GetInputStreamAt(0))
{
using (var dataReader = new DataReader(inStream))
{
await dataReader.LoadAsync((uint)fs.Size);
var data = new byte[dataReader.UnconsumedBufferLength];
dataReader.ReadBytes(data);
dataReader.DetachStream();
return data;
}
}
}
}
public async Task LoadCookiesAsync(Guid requestId)
{
string data = null;
var cookieContainer = new CookieContainer();
var file = await ApplicationData.Current.LocalFolder.CreateFileAsync(CookieCacheFile, CreationCollisionOption.OpenIfExists);
using (var fs = await file.OpenAsync(FileAccessMode.Read))
{
using (var inStream = fs.GetInputStreamAt(0))
{
using (var dataReader = new DataReader(inStream))
{
await dataReader.LoadAsync((uint)fs.Size);
data = dataReader.ReadString((uint)fs.Size);
dataReader.DetachStream();
var cookies = JsonConvert.DeserializeObject<Dictionary<string, Dictionary<string, Cookie>>>(data);
if (cookies != null)
{
foreach (var cookieSet in cookies)
{
foreach (var cookie in cookieSet.Value)
{
cookieContainer.Add(new Uri(cookie.Key), cookie.Value);
}
}
}
this.knownCookies = cookieContainer;
this.persistentCookies = cookies ?? new Dictionary<string, Dictionary<string, Cookie>>();
}
}
}
Trace.Verbose(requestId, "Loaded {0} cookies: {1}\r\n", cookieContainer.Count, data);
}
public async Task<string> Recv()
{
string headerBuffer = "";
try
{
DataReader socketDataReader = new DataReader(internalSocket.InputStream);
while (!headerBuffer.EndsWith("MLEN") && headerBuffer.Length < MAX_HEADER_LENGTH)
{
await socketDataReader.LoadAsync(1).AsTask(getTimeoutToken());
headerBuffer += socketDataReader.ReadString(1);
}
if (!headerBuffer.EndsWith("MLEN"))
{
return null;
}
UInt64 length;
if (!UInt64.TryParse(headerBuffer.Replace("MLEN", ""), out length))
{
return null;
}
byte[] data = new byte[length];
ulong dataReceived = 0;
while (dataReceived < length)
{
int currentChunkSize = CHUNK_SIZE;
if (length - dataReceived < CHUNK_SIZE) currentChunkSize = (int)(length - dataReceived);
byte[] chunk = new byte[currentChunkSize];
await socketDataReader.LoadAsync((uint)currentChunkSize).AsTask(getTimeoutToken());
socketDataReader.ReadBytes(chunk);
Array.Copy(chunk, 0, data, (int)dataReceived, currentChunkSize);
dataReceived += (ulong)currentChunkSize;
repportProgress((int)dataReceived, (int)length);
}
socketDataReader.DetachStream();
return Cryptography.TextManipulation.DecodeUTF(data);
}
catch (Exception error)
{
throw new NetworkingError(error.Message);
}
}
public async void Send(byte[] fileBytes)
{
try
{
if (Speakers != null && Speakers.Count > 0 && fileBytes != null)
{
//iterate through the speakers and send out the media file to each speaker
foreach (Speaker speaker in Speakers)
{
StreamSocket socket = speaker.Socket;
if (socket != null)
{
IOutputStream outStream = socket.OutputStream;
using (DataWriter dataWriter = new DataWriter(outStream))
{
//write header bytes to indicate to the subscriber
//information about the file to be sent
dataWriter.WriteInt16((short)MessageType.Media);
dataWriter.WriteInt32(fileBytes.Length);
await dataWriter.StoreAsync();
//start from 0 and increase by packet size
int partNumber = 0;
int sourceIndex = 0;
int bytesToWrite = fileBytes.Length;
while (bytesToWrite > 0)
{
dataWriter.WriteInt32(partNumber);
int packetSize = bytesToWrite;
if (packetSize > MAX_PACKET_SIZE)
{
packetSize = MAX_PACKET_SIZE;
}
byte[] fragmentedPixels = new byte[packetSize];
Array.Copy(fileBytes, sourceIndex, fragmentedPixels, 0, packetSize);
dataWriter.WriteBytes(fragmentedPixels);
Debug.WriteLine("sent byte packet length " + packetSize);
await dataWriter.StoreAsync();
sourceIndex += packetSize;
bytesToWrite -= packetSize;
partNumber++;
Debug.WriteLine("sent total bytes " + (fileBytes.Length - bytesToWrite));
}
//Finally DetachStream
dataWriter.DetachStream();
}
}
}
//check the speakers have all received the file
foreach (Speaker speaker in Speakers)
{
StreamSocket socket = speaker.Socket;
if (socket != null)
{
//wait for the 'I got it' message
DataReader reader = new DataReader(socket.InputStream);
uint x = await reader.LoadAsync(sizeof(short));
MessageType t = (MessageType)reader.ReadInt16();
if (MessageType.Ready == t)
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
Speakers.Remove(speaker);
speaker.Status = "Ready";
Speakers.Add(speaker);
});
}
reader.DetachStream();
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
}
private async Task<string> Receive()
{
if (socket == null) return null;
using (DataReader reader = new DataReader(socket.InputStream))
{
// reader.InputStreamOptions = InputStreamOptions.Partial;
reader.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
reader.ByteOrder = Windows.Storage.Streams.ByteOrder.LittleEndian;
try
{
while (true)
{
StringBuilder ImageStrBuilder = new StringBuilder();
// Set the DataReader to only wait for available data (so that we don't have to know the data size)
// reader.InputStreamOptions = Windows.Storage.Streams.InputStreamOptions.Partial;
// The encoding and byte order need to match the settings of the writer we previously used.
// Send the contents of the writer to the backing stream.
// Get the size of the buffer that has not been read.
// await Task.Delay(50);
// if (socket == null) return null;
uint sizeFieldCount = await reader.LoadAsync(sizeof(uint));
if (sizeFieldCount != sizeof(uint))
{
// The underlying socket was closed before we were able to read the whole data.
return null;
}
uint stringLength = reader.ReadUInt32();
uint actualStringLength = await reader.LoadAsync(stringLength);
if (stringLength != actualStringLength)
{
// The underlying socket was closed before we were able to read the whole data.
return null;
}
// Keep reading until we consume the complete stream.
// while (reader.UnconsumedBufferLength > 0)
// {
// ImageStrBuilder.Append(reader.ReadString(reader.UnconsumedBufferLength));
// await reader.LoadAsync(2048);
// }
// ImageString = ImageStrBuilder.ToString();
// else if (ImageStrBuilder.Length < 100 && ImageStrBuilder.Length > 0)
// {
// Calculate(ImageString);
// }
// ClientAddLine("Received(" + DateTime.Now.ToString("h:mm:ss") + "): " + ImageStrBuilder.ToString());
//await Task.Factory.StartNew(ReloadPicture);
// Send(2);
ImageStrBuilder.Append(reader.ReadString(actualStringLength));
// reader.DetachBuffer();
reader.DetachStream();
// reader.Dispose();
return ImageStrBuilder.ToString();
// return "error";
}
}
catch (Exception e)
{
// ClientWaitForMessage();
//received = false;
return "error";
}
}
}
private async void Listener_ConnectionReceived(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
Debug.WriteLine("Connection Received on Port {0}", sender.Information.LocalPort);
StreamSocket streamSocket = args.Socket;
if (streamSocket != null)
{
DataReader reader = new DataReader(streamSocket.InputStream);
try
{
// Read first 4 bytes (length of the subsequent string).
uint sizeFieldCount = await reader.LoadAsync(sizeof(uint));
if (sizeFieldCount != sizeof(uint))
{
// The underlying socket was closed before we were able to read the whole data.
return;
}
// Read the length of the 'packet'.
uint length = reader.ReadUInt32();
uint actualLength = await reader.LoadAsync(length);
if (length != actualLength)
{
// The underlying socket was closed before we were able to read the whole data.
return;
}
string name = reader.ReadString(actualLength);
Speaker speaker = new Speaker()
{
Name = name,
Address = streamSocket.Information.RemoteAddress.DisplayName,
Status = "Connected",
Socket = streamSocket
};
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
Speakers.Add(speaker);
});
reader.DetachStream();
Debug.WriteLine("New speaker added " + name);
}
catch (Exception e)
{
Debug.WriteLine("Error in connection received: " + e);
}
}
}
/// <summary>
/// Invoked when the socket listener accepted an incoming Bluetooth connection.
/// </summary>
/// <param name="sender">The socket listener that accecpted the connection.</param>
/// <param name="args">The connection accept parameters, which contain the connected socket.</param>
private async void OnConnectionReceived(
StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
try
{
NotifyStatus("Client Connected");
// Don't need the listener anymore
socketListener.Dispose();
socketListener = null;
socket = args.Socket;
writer = new DataWriter(socket.OutputStream);
var reader = new DataReader(socket.InputStream);
bool remoteDisconnection = false;
while (true)
{
uint readLength = await reader.LoadAsync(sizeof(uint));
if (readLength < sizeof(uint))
{
remoteDisconnection = true;
break;
}
uint currentLength = reader.ReadUInt32();
readLength = await reader.LoadAsync(currentLength);
if (readLength < currentLength)
{
remoteDisconnection = true;
break;
}
string message = reader.ReadString(currentLength);
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
ConversationListBox.Items.Add("Received: " + message);
});
}
reader.DetachStream();
if (remoteDisconnection)
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
Disconnect();
NotifyStatus("Client disconnected.");
});
}
}
catch (Exception e)
{
NotifyError(e);
}
}
private async Task<UInt32> serialReadAsync(uint read_size)
{
try
{
if (serialPort == null)
{
printLog("No port selected");
return 0;
}
//TODO handle cancelationTokens
using (DataReader dataReaderObject = new DataReader(serialPort.InputStream))
{
// Launch the task and wait
UInt32 bytesRead = await dataReaderObject.LoadAsync(read_size);
for (int i = 0; i < bytesRead; i++)
{
serialReceive[i] = dataReaderObject.ReadByte();
}
dataReaderObject.DetachStream();
return bytesRead;
}
}
catch (Exception ex)
{
printLog(ex.Message);
return 0;
}
}
