public void Dispose()
{
if (_stream != null)
{
_stream.Dispose();
}
}
public void Seek(ulong position)
{
if (requestedPosition != position)
{
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
Debug.WriteLine("Seek: {0:N0} -> {1:N0}", requestedPosition, position);
requestedPosition = position;
}
}
public void Seek(ulong position)
{
if (Position != position)
{
if (_inputStream != null)
{
_inputStream.Dispose();
_inputStream = null;
}
Debug.WriteLine("Seek: {0:N0} -> {1:N0}", Position, position);
Position = position;
}
}
private async Task RetreivePlaylist(IStorageItem item)
{
if (item is StorageFile)
{
Char chr = '.';
String path = (item as StorageFile).Path;
Char[] chrArray = new Char[] { chr };
if (path.Split(chrArray).Count <String>() != 1)
{
return;
}
else
{
IInputStream inputStream = await(item as StorageFile).OpenSequentialReadAsync();
try
{
Stream stream = inputStream.AsStreamForRead();
(new StreamReader(stream)).ReadToEnd();
}
finally
{
if (inputStream != null)
{
inputStream.Dispose();
}
}
}
}
}
public void CheckShutdown()
{
// cryptor?.Dispose();
// cryptor = null;
// outboundChan = null;
if (recvData != null)
{
ZeroMemory(recvData);
}
if (udpClient != null)
{
udpClient.MessageReceived -= UdpClient_MessageReceived;
}
try
{
tcpInputStream?.Dispose();
udpOutputStream?.Dispose();
}
catch (ObjectDisposedException) { }
// networkStream = null;
try
{
client?.Dispose();
udpClient?.Dispose();
}
catch (ObjectDisposedException) { }
try
{
udpSendLock.Dispose();
}
catch (ObjectDisposedException) { }
// client = null;
// udpClient = null;
}
async public static void Log(string s)
{
using (var releaser = await myLock.LockAsync())
{
StorageFile sfile = await ApplicationData.Current.LocalFolder.CreateFileAsync("errorlog.txt", CreationCollisionOption.OpenIfExists);
using (IRandomAccessStream rasw = await sfile.OpenAsync(FileAccessMode.ReadWrite))
{
IBuffer ibuf = null;
using (IInputStream inputStream = rasw.GetInputStreamAt(0))
{
ulong size = rasw.Size;
DataReader dataReader = new DataReader(inputStream);
await dataReader.LoadAsync((uint)size);
ibuf = dataReader.ReadBuffer((uint)size);
inputStream.Dispose();
}
if (ibuf.Length < 64000)
{
await rasw.WriteAsync(ibuf);
}
await rasw.WriteAsync(CryptographicBuffer.ConvertStringToBinary("\r\n" + DateTime.Now.ToUniversalTime().ToString() + " : " + s, BinaryStringEncoding.Utf8));
rasw.Seek(0);
await rasw.FlushAsync();
rasw.Dispose();
}
}
}
/// <summary>
/// Load the settings from a file
/// </summary>
/// <param name="filename">Name of settings file</param>
/// <returns></returns>
public static async Task <AppSettings> RestoreAsync(string filename)
{
try
{
StorageFile sessionFile = await SettingsFolder.CreateFileAsync(filename, CreationCollisionOption.OpenIfExists);
if (sessionFile == null)
{
return(new AppSettings());
}
IInputStream sessionInputStream = await sessionFile.OpenReadAsync();
var serializer = new XmlSerializer(typeof(AppSettings));
AppSettings temp = (AppSettings)serializer.Deserialize(sessionInputStream.AsStreamForRead());
sessionInputStream.Dispose();
return(temp);
}
catch (Exception ex)
{
Debug.WriteLine("AppSettings.RestoreAsync(): " + ex.Message);
// Log telemetry event about this exception
var events = new Dictionary <string, string> {
{ "AppSettings", ex.Message }
};
App.Controller.TelemetryClient.TrackEvent("FailedToRestoreSettings", events);
// If settings.xml file is corrupted and cannot be read - behave as if it does not exist.
return(new AppSettings());
}
}
private void ResetRequest()
{
if (sendRequestOperation != null)
{
sendRequestOperation.Cancel();
sendRequestOperation = null;
}
if (readAsInputStreamOperation != null)
{
readAsInputStreamOperation.Cancel();
readAsInputStreamOperation = null;
}
if (readOperation != null)
{
readOperation.Cancel();
readOperation = null;
}
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
if (httpRequest != null)
{
httpRequest.Dispose();
httpRequest = null;
}
}
public void Dispose()
{
_cts.Cancel();
_input.Dispose();
_output.Dispose();
_serialDevice.Dispose();
}
static async private Task RestoreAsync <T>()
{
StorageFile sessionFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(filename, CreationCollisionOption.OpenIfExists);
if (sessionFile == null)
{
return;
}
IInputStream sessionInputStream = await sessionFile.OpenReadAsync();
//Using DataContractSerializer , look at the cat-class
// var sessionSerializer = new DataContractSerializer(typeof(List<object>), new Type[] { typeof(T) });
//_data = (List<object>)sessionSerializer.ReadObject(sessionInputStream.AsStreamForRead());
//Using XmlSerializer , look at the Dog-class
try
{
var serializer = new XmlSerializer(typeof(List <object>), new Type[] { typeof(T) });
_data = (List <object>)serializer.Deserialize(sessionInputStream.AsStreamForRead());
}
catch (System.InvalidOperationException)
{
throw new Exception("Restore Error");
}
finally
{
sessionInputStream.Dispose();
}
}
public void Dispose()
{
_isOpen = false;
_cts.Cancel();
_input.Dispose();
_output.Dispose();
_serialDevice.Dispose();
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (stream != null)
{
stream.Dispose();
}
}
}
public static async Task OnReceived(IInputStream dataStream, HostName remoteAddress)
{
IBuffer buffer = new Windows.Storage.Streams.Buffer(ReadBufferSize);
await dataStream.ReadAsync(buffer, ReadBufferSize, InputStreamOptions.None);
dataStream.Dispose();
var info = Encoding.UTF8.GetString(buffer.ToArray());
// TODO process unicast
}
public void Dispose(
)
{
if (stream != null)
{
stream.Dispose();
stream = null;
}
GC.SuppressFinalize(this);
}
public void Seek(ulong position)
{
if (Position != position)
{
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
Position = position;
}
}
/// <summary>
/// Load the settings from a file
/// </summary>
/// <param name="filename">Name of settings file</param>
/// <returns></returns>
public static async Task <AppSettings> RestoreAsync(string filename)
{
try
{
await SettingsFolder.GetFileAsync(filename);
}
catch (FileNotFoundException)
{
StorageFile securityLogFile = await SettingsFolder.CreateFileAsync(@"settings.xml", CreationCollisionOption.FailIfExists);
await FileIO.AppendTextAsync(securityLogFile, "<?xml version=\"1.0\" encoding=\"utf-8\"?>" + Environment.NewLine);
await FileIO.AppendTextAsync(securityLogFile, "<AppSettings xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">" + Environment.NewLine);
await FileIO.AppendTextAsync(securityLogFile, "</AppSettings>" + Environment.NewLine);
}
try
{
StorageFile sessionFile = await SettingsFolder.CreateFileAsync(filename, CreationCollisionOption.OpenIfExists);
if (sessionFile == null)
{
return(new AppSettings());
}
IInputStream sessionInputStream = await sessionFile.OpenReadAsync();
var serializer = new XmlSerializer(typeof(AppSettings));
AppSettings temp = (AppSettings)serializer.Deserialize(sessionInputStream.AsStreamForRead());
sessionInputStream.Dispose();
return(temp);
}
catch (Exception ex)
{
Debug.WriteLine("AppSettings.RestoreAsync(): " + ex.Message);
// Log telemetry event about this exception
var events = new Dictionary <string, string> {
{ "AppSettings", ex.Message }
};
TelemetryHelper.TrackEvent("FailedToRestoreSettings", events);
// If settings.xml file is corrupted and cannot be read - behave as if it does not exist.
return(new AppSettings());
}
}
static async private Task RestoreAsync <T>(string filename)
{
StorageFile sessionFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(filename, CreationCollisionOption.OpenIfExists);
if (sessionFile == null)
{
return;
}
IInputStream sessionInputStream = await sessionFile.OpenReadAsync();
var serializer = new XmlSerializer(typeof(List <object>), new Type[] { typeof(T) });
_data = (List <object>)serializer.Deserialize(sessionInputStream.AsStreamForRead());
sessionInputStream.Dispose();
}
/// <summary>
/// Load object from file
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public async Task <T> LoadAsync(string fileName)
{
fileName = fileName + GetFileExtension();
try
{
StorageFile file = null;
StorageFolder folder = await GetFolderAsync().ConfigureAwait(false);
var contains = await folder.ContainsFileAsync(fileName).ConfigureAwait(false);
if (contains)
{
file = await folder.GetFileAsync(fileName);
//Deserialize to object with JSON or XML serializer
T result = default(T);
switch (_serializerType)
{
case StorageSerializer.JSON:
var data = await FileIO.ReadTextAsync(file);
result = JsonConvert.DeserializeObject <T>(data);
break;
case StorageSerializer.XML:
XmlSerializer serializer = new XmlSerializer(typeof(T));
IInputStream sessionInputStream = await file.OpenReadAsync();
result = (T)serializer.Deserialize(sessionInputStream.AsStreamForRead());
sessionInputStream.Dispose();
break;
}
return(result);
}
else
{
return(default(T));
}
}
catch (Exception ex)
{
//Unable to load contents of file
throw;
}
}
public virtual void Dispose()
{
try
{
StreamAccessLock.Wait();
_IsDisposed = true;
_InputStream?.Dispose();
_InputStream = null;
}
finally
{
StreamAccessLock.Release();
}
}
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: dispose managed state (managed objects).
_inputStream.Dispose();
}
// TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
// TODO: set large fields to null.
disposedValue = true;
}
}
public static async Task OnReceived(IInputStream dataStream, HostName remoteAddress)
{
IBuffer buffer = new Windows.Storage.Streams.Buffer(ReadBufferSize);
await dataStream.ReadAsync(buffer, ReadBufferSize, InputStreamOptions.None);
dataStream.Dispose();
var info = Encoding.UTF8.GetString(buffer.ToArray());
if (info.StartsWith(WindowsGoodbyeAuthTask.DeviceAlivePrefix) &&
info.Length > WindowsGoodbyeAuthTask.DeviceAlivePrefix.Length)
{
var payload = Convert.FromBase64String(info.Substring(WindowsGoodbyeAuthTask.DeviceAlivePrefix.Length));
if (payload.Length != 16)
{
return;
}
var guid = new Guid(payload);
var session = WindowsGoodbyeAuthTask.deviceSessions.FirstOrDefault(s => s.DeviceInDb.DeviceId == guid);
if (session != null)
{
session.Status = DeviceStatus.Established;
}
WindowsGoodbyeAuthTask.findAuth = false;
}
else if (info.StartsWith(WindowsGoodbyeAuthTask.AuthResponsePrefix) &&
info.Length > WindowsGoodbyeAuthTask.AuthResponsePrefix.Length)
{
var payload = Convert.FromBase64String(info.Substring(WindowsGoodbyeAuthTask.DeviceAlivePrefix.Length));
if (payload.Length <= 18)
{
return;
}
var guidBytes = new byte[16];
Array.Copy(payload, guidBytes, 16);
var guid = new Guid(guidBytes);
var session = WindowsGoodbyeAuthTask.deviceSessions.FirstOrDefault(s => s.DeviceInDb.DeviceId == guid);
if (session == null)
{
return;
}
var resultBytes = new byte[payload.Length - 16];
Array.Copy(payload, 16, resultBytes, 0, resultBytes.Length);
session.ResultBytes = resultBytes;
WindowsGoodbyeAuthTask.AuthResultReceivedEvent.Set();
}
}
/// <summary>
/// Write the contents of stream to filename in the cache location. If a null stream is provided, the file is created with no contents.
/// </summary>
/// <param name="stream">Content to be written to file</param>
/// <param name="filename">Name of the file to be written in cache location</param>
private static async Task WriteFileAsync(Stream stream, string filename)
{
// Prepare output file stream
StorageFolder parent = GetCacheFolder();
StorageFile file = null;
try
{
file = await parent.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
}
catch (Exception)
{
}
if (file != null && stream != null)
{
// Prepare input image stream
IInputStream inStream = stream.AsInputStream();
DataReader reader = new DataReader(inStream);
IRandomAccessStream fileStream = null;
try
{
fileStream = await file.OpenAsync(FileAccessMode.ReadWrite);
// Buffered write to file
await reader.LoadAsync(1024);
while (reader.UnconsumedBufferLength > 0)
{
await fileStream.WriteAsync(reader.ReadBuffer(reader.UnconsumedBufferLength));
await reader.LoadAsync(1024);
}
}
catch (Exception)
{
}
finally
{
if (fileStream != null)
{
await fileStream.FlushAsync();
}
}
inStream.Dispose();
}
}
private async void ReadPlaylist()
{
try
{
StorageFile fileAsync = await ApplicationData.Current.LocalFolder.GetFileAsync(this.playlistname);
StorageFile storageFile = fileAsync;
IInputStream inputStream = await storageFile.OpenSequentialReadAsync();
try
{
DataContractSerializer dataContractSerializer = new DataContractSerializer(typeof(PlayList));
PlayList playList = dataContractSerializer.ReadObject(inputStream.AsStreamForRead()) as PlayList;
this.internal_playlist = playList;
}
finally
{
if (inputStream != null)
{
inputStream.Dispose();
}
}
StorageFile fileAsync1 = await ApplicationData.Current.LocalFolder.GetFileAsync(this.shuffleplaylistname);
storageFile = fileAsync1;
IInputStream inputStream1 = await storageFile.OpenSequentialReadAsync();
try
{
DataContractSerializer dataContractSerializer1 = new DataContractSerializer(typeof(PlayList));
PlayList playList1 = dataContractSerializer1.ReadObject(inputStream1.AsStreamForRead()) as PlayList;
this.shuffle_internal_playlist = playList1;
}
finally
{
if (inputStream1 != null)
{
inputStream1.Dispose();
}
}
}
catch (Exception exception)
{
}
}
public void CheckShutdown()
{
try
{
inputStream?.Dispose();
}
catch (ObjectDisposedException) { }
try
{
outputStream?.Dispose();
}
catch (ObjectDisposedException) { }
try
{
socket.Dispose();
}
catch (ObjectDisposedException) { }
}
public static async Task <Int32> ReadMusicData()
{
Int32 num;
try
{
StorageFile fileAsync = await ApplicationData.Current.LocalFolder.GetFileAsync(readwrite.filename);
IInputStream inputStream = await fileAsync.OpenSequentialReadAsync();
try
{
DataContractSerializer dataContractSerializer = new DataContractSerializer(typeof(MusicData));
App.musicdata = dataContractSerializer.ReadObject(WindowsRuntimeStreamExtensions.AsStreamForRead(inputStream)) as MusicData;
}
finally
{
if (inputStream != null)
{
inputStream.Dispose();
}
}
}
catch (FileNotFoundException fileNotFoundException)
{
App.musicdata = new MusicData();
num = 1;
return(num);
}
catch (Exception exception1)
{
Exception exception = exception1;
App.ShowError(String.Concat("Error while reading music data: ", exception.Message.ToString()));
App.musicdata = new MusicData();
num = 1;
return(num);
}
Boolean flag = await App.musicdata.CheckForNewMusic();
num = (!flag ? 0 : 2);
return(num);
}
public static async Task OnReceived(IInputStream dataStream, HostName remoteAddress)
{
IBuffer buffer = new Windows.Storage.Streams.Buffer(ReadBufferSize);
await dataStream.ReadAsync(buffer, ReadBufferSize, InputStreamOptions.None);
dataStream.Dispose();
var info = Encoding.UTF8.GetString(buffer.ToArray());
if (info.StartsWith(PairingRequestPrefix) && info.Length > PairingRequestPrefix.Length)
{
var payload = info.Substring(PairingRequestPrefix.Length);
UdpEventPublisher.FirePairingRequestReceived(payload, IPAddress.Parse(remoteAddress.CanonicalName));
}
else if (info.StartsWith(PairingTerminate))
{
UdpEventPublisher.FirePairingTerminateReceived(IPAddress.Parse(remoteAddress.CanonicalName));
}
}
/// <summary>
/// Create new file based on the IInputStream under Images folder.
/// </summary>
/// <param name="fileName">Image File Name</param>
/// <param name="sourceStream">IInputStream of the image you want to save</param>
/// <param name="options">Creation Collision Option</param>
/// <returns>New file name</returns>
async static public Task <string> SaveImageAsync(string fileName, IInputStream sourceStream, CreationCollisionOption options)
{
try
{
var storage = Windows.Storage.ApplicationData.Current.LocalFolder;
var imgFolderName = FolderNames.Images.ToString();
var folder = await storage.CreateFolderAsync(imgFolderName, Windows.Storage.CreationCollisionOption.OpenIfExists);
var file = await folder.CreateFileAsync(fileName, options);
using (var fileStream = await file.OpenStreamForWriteAsync())
{
await RandomAccessStream.CopyAsync(sourceStream, fileStream.AsOutputStream());
}
sourceStream.Dispose();
return(file.Name);
}
catch (Exception)
{
return(null);
}
}
//-------------------------------------------------------------------------zamykanie polaczenia
private void disconnect()
{
if (reader != null)
{
reader.Dispose();
reader = null;
}
if (writer != null)
{
writer.Dispose();
writer = null;
}
if (socket != null)
{
socket.Dispose();
socket = null;
}
if (stream != null)
{
stream.Dispose();
stream = null;
}
if (buffer != null)
{
buffer = null;
}
if (rfcommProvider != null)
{
rfcommProvider.StopAdvertising();
rfcommProvider = null;
}
if (socketListener != null)
{
socketListener.Dispose();
socketListener = null;
}
}
static async private Task <T> RestoreAsync <T>(string filename)
{
StorageFile sessionFile = await ApplicationData.Current.LocalFolder.GetFileAsync(filename);
if (sessionFile == null)
{
return(default(T));
}
IInputStream sessionInputStream = await sessionFile.OpenReadAsync();
//Using DataContractSerializer , look at the cat-class
var sessionSerializer = new DataContractSerializer(typeof(T),
new DataContractSerializerSettings
{
});
var data = (T)sessionSerializer.ReadObject(sessionInputStream.AsStreamForRead());
//Using XmlSerializer , look at the Dog-class
//var serializer = new XmlSerializer(typeof(List<object>), new Type[] { typeof(T) });
//_data = (List<object>)serializer.Deserialize(sessionInputStream.AsStreamForRead());
sessionInputStream.Dispose();
return(data);
}
//private async Task<XDocument> LoadAsync(string path)
//{
// StorageFolder sf = await ApplicationData.Current.LocalFolder.GetFolderAsync(@"data\");
// StorageFile file = await sf.GetFileAsync(Path.GetFileName(path));
// IBuffer ibuf = null;
// byte[] b;
// bool excCaught = false;
// try
// {
// using (IRandomAccessStream ras = await file.OpenReadAsync())
// {
// b = new byte[ras.Size];
// ibuf = await ras.ReadAsync(CryptographicBuffer.CreateFromByteArray(b), (uint)ras.Size, InputStreamOptions.None);
// ras.Dispose();
// }
// }
// catch (System.UnauthorizedAccessException ex)
// {
// excCaught = true;
// }
// if (excCaught)
// {
// using (IRandomAccessStream ras = await file.OpenReadAsync())
// {
// b = new byte[ras.Size];
// ibuf = await ras.ReadAsync(CryptographicBuffer.CreateFromByteArray(b), (uint)ras.Size, InputStreamOptions.None);
// ras.Dispose();
// }
// }
// CryptographicBuffer.CopyToByteArray(ibuf, out b);
// char[] ch = System.Text.Encoding.UTF8.GetChars(b);
// string s = CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf8, ibuf);
// s = EncryptionProvider.Decrypt(s, EncryptionProvider.PublicKey);
// StringReader sreader = new StringReader(s);
// while (sreader.Peek() == 65279)
// {
// sreader.Read();
// }
// XDocument xdoc = XDocument.Load(sreader, LoadOptions.None);
// return xdoc;
//}
private async Task <XDocument> LoadAsync(string path)
{
StorageFolder sf = await ApplicationData.Current.LocalFolder.GetFolderAsync(@"data\");
StorageFile file = await sf.GetFileAsync(Path.GetFileName(path));
IBuffer ibuf = null;
byte[] b;
using (IRandomAccessStream ras = await file.OpenReadAsync())
{
using (IInputStream inputStream = ras.GetInputStreamAt(0))
{
ulong size = ras.Size;
DataReader dataReader = new DataReader(inputStream);
await dataReader.LoadAsync((uint)size);
ibuf = dataReader.ReadBuffer((uint)size);
inputStream.Dispose();
}
ras.Dispose();
}
CryptographicBuffer.CopyToByteArray(ibuf, out b);
// char[] ch = System.Text.Encoding.UTF8.GetChars(b);
// string s = CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf8, ibuf);
string s = EncryptionProvider.DecryptToString(ibuf);
StringReader sreader = new StringReader(s);
while (sreader.Peek() == 65279)
{
sreader.Read();
}
XDocument xdoc = XDocument.Load(sreader, LoadOptions.None);
return(xdoc);
}
