| public Read ( byte buffer, int offset, int count ) : int | ||
| buffer | byte | |
| offset | int | |
| count | int | |
| Résultat | int | |
/// <summary>
/// 读取本地文件信息,SilverLight缓存中
/// </summary>
/// <param name="rFileName">存储文件名</param>
/// <returns>返回文件数据</returns>
public static byte[] ReadSlByteFile(string rFileName)
{
System.IO.IsolatedStorage.IsolatedStorageFile isf = null;
System.IO.Stream stream = null;
byte[] buffer = null;
try
{
isf = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication();
if (!isf.FileExists(rFileName))
{
return(null);
}
stream = new System.IO.IsolatedStorage.IsolatedStorageFileStream(rFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read, isf);
buffer = new byte[stream.Length];
stream.Read(buffer, 0, (int)stream.Length);
}
finally
{
if (stream != null)
{
stream.Close(); // Close the stream
stream.Dispose();
}
isf.Dispose();
}
return(buffer);
}
public override object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
_values = values;
if (values.Any(w => w == null || string.IsNullOrEmpty(w.ToString())))
return null;
byte[] imageBytes;
var path = string.Concat("/Shared/ShellContent/", string.Format("{0}.jpg", string.Join("_", values)));
using (var iso = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication())
{
if (!iso.FileExists(path))
return null;
using (IsolatedStorageFileStream fileStream = new IsolatedStorageFileStream(path, FileMode.Open, FileAccess.Read, iso))
{
imageBytes = new byte[fileStream.Length];
fileStream.Read(imageBytes, 0, imageBytes.Length);
}
}
using (var memoryStream = new MemoryStream(imageBytes))
{
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.SetSource(memoryStream);
return bitmapImage;
}
}
void MainPage_Loaded(object sender, RoutedEventArgs e)
{
List<Run> runList = new List<Run>();
string time, dist;
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream("SavedSessions.txt", FileMode.Open, IsolatedStorageFile.GetUserStoreForApplication()))
{
if (!stream.CanRead) return;
long length = stream.Length;
byte[] decoded = new byte[length];
stream.Read(decoded, 0, (int)length);
string str = "";
for (int i = 0; i < decoded.Length; i++)
str += (char)decoded[i];
string[] val = Regex.Split(str, " ");
time = val[0] + ":" + val[1] + ":" + val[2] + val[3];
dist = val[4];
runList.Add(new Run(time, dist));
}
TransactionList.ItemsSource = runList;
}
//send song data over the socket
//this uses an app specific socket protocol: send title, artist, then song data
public async Task<bool> SendSongOverSocket(StreamSocket socket, string fileName, string songTitle, string songFileSize)
{
try
{
// Create DataWriter for writing to peer.
_dataWriter = new DataWriter(socket.OutputStream);
//send song title
await SendStringOverSocket(songTitle);
//send song file size
await SendStringOverSocket(songFileSize);
// read song from Isolated Storage and send it
using (var fileStream = new IsolatedStorageFileStream(fileName, FileMode.Open, FileAccess.Read, IsolatedStorageFile.GetUserStoreForApplication()))
{
byte[] buffer = new byte[1024];
int bytesRead;
int readCount = 0;
_length = fileStream.Length;
//Initialize the User Interface elements
InitializeUI(fileName);
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
readCount += bytesRead;
//UpdateUI
UpdateProgressBar(readCount);
//size of the packet
_dataWriter.WriteInt32(bytesRead);
//packet data sent
_dataWriter.WriteBytes(buffer);
try
{
await _dataWriter.StoreAsync();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// Reads all byte content from an isolated storage file.
/// </summary>
/// <param name="path">Path to the file.</param>
/// <returns>The bytes read from the file.</returns>
public static byte[] ReadBytesFromIsolatedStorage(string path)
{
// Access the file in the application's isolated storage.
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream readstream = new IsolatedStorageFileStream(path, FileMode.Open, FileAccess.Read, file))
{
byte[] valueArray = new byte[readstream.Length];
readstream.Read(valueArray, 0, valueArray.Length);
return valueArray;
}
}
}
public static byte[] GetSubscriptionCertificate(string subscriptionId)
{
IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
byte[] certificateBytes = null;
// Go into the isolated storage and retrieve the certificate.
//
using (var isoFileStream = new IsolatedStorageFileStream(subscriptionId + "\\management.cer", FileMode.Open, myStore))
{
certificateBytes = new byte[isoFileStream.Length];
isoFileStream.Read(certificateBytes, 0, (int)isoFileStream.Length);
}
return certificateBytes;
}
public static string ReadFile(string filename)
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
try
{
IsolatedStorageFileStream filestream = new IsolatedStorageFileStream(filename, System.IO.FileMode.Open, isf);
byte[] buffer = new byte[filestream.Length];
filestream.Read(buffer,0,buffer.Length);
string data = Encoding.UTF8.GetString(buffer, 0, buffer.Length);
return data;
}
catch (System.IO.FileNotFoundException)
{
return string.Empty;
}
}
}
public static byte[] GetRecordByteArray(string name)
{
IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication();
MemoryStream stream = new MemoryStream();
using (IsolatedStorageFileStream fStream = new IsolatedStorageFileStream("Music/" + name,
FileMode.Open, file))
{
byte[] readBuffer = new byte[4096];
int bytesRead = 0;
while ((bytesRead = fStream.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
stream.Write(readBuffer, 0, bytesRead);
}
}
return stream.ToArray();
}
/// <summary>
/// 获取上传进度记录
/// </summary>
/// <param name="key">记录文件名</param>
/// <returns>上传进度数据</returns>
public byte[] get(string key)
{
byte[] data = null;
string filePath = Path.Combine(this.dir, StringUtils.urlSafeBase64Encode(key));
try
{
using (IsolatedStorageFileStream stream =
new IsolatedStorageFileStream(filePath, FileMode.Open, this.storage))
{
data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
}
}
catch (Exception)
{
}
return data;
}
public void Load()
{
XmlSerializer serializer = new XmlSerializer(typeof(Configrations));
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream fs = new IsolatedStorageFileStream("a.txt", FileMode.Open, isf))
{
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
using (MemoryStream ms = new MemoryStream(buffer))
{
Configrations config = serializer.Deserialize(ms) as Configrations;
if (null != config)
{
Clone(this, config);
}
}
}
}
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (NavigationContext.QueryString.TryGetValue("imageUri", out imageFileName))
{
FilenameText.Text = imageFileName;
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(imageFileName, System.IO.FileMode.Open, IsolatedStorageFile.GetUserStoreForApplication()))
{
// Allocate an array large enough for the entire file
byte[] data = new byte[stream.Length];
// Read the entire file and then close it
stream.Read(data, 0, data.Length);
stream.Close();
ExtendedImage image = new ExtendedImage();
image.LoadingCompleted +=
(o, ea) => Dispatcher.BeginInvoke(() => { AnimatedImage.Source = image; });
image.SetSource(new MemoryStream(data));
}
}
}
public byte[] Retrieve(string key)
{
var mutex = new Mutex(false, key);
try
{
mutex.WaitOne();
if (!File.FileExists(key))
{
throw new Exception(string.Format("No entry found for key {0}.", key));
}
using (var stream = new IsolatedStorageFileStream(key, FileMode.Open, FileAccess.Read, File))
{
var data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
return ProtectedData.Unprotect(data, this.optionalEntropy);
}
}
finally
{
mutex.ReleaseMutex();
}
}
public void RegressionBNC354539 ()
{
string filename = "test-bnc-354539";
byte[] expected = new byte[] { 0x01, 0x42, 0x00 };
byte[] actual = new byte [expected.Length];
using (IsolatedStorageFile file = IsolatedStorageFile.GetStore (IsolatedStorageScope.User | IsolatedStorageScope.Assembly, null, null)) {
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream (filename, FileMode.Create, FileAccess.Write, FileShare.None, file)) {
stream.Write (expected, 0, expected.Length);
}
}
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForAssembly ()) {
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream (filename, FileMode.Open, FileAccess.Read, FileShare.Read, file)) {
stream.Read (actual, 0, actual.Length);
}
file.DeleteFile (filename);
}
Assert.AreEqual (expected, actual);
}
/// <summary>
/// Read file from Isolated Storage and sends it to server
/// </summary>
/// <param name="asynchronousResult"></param>
private void uploadCallback(IAsyncResult asynchronousResult)
{
DownloadRequestState reqState = (DownloadRequestState)asynchronousResult.AsyncState;
HttpWebRequest webRequest = reqState.request;
string callbackId = reqState.options.CallbackId;
try
{
using (Stream requestStream = (webRequest.EndGetRequestStream(asynchronousResult)))
{
string lineStart = "--";
string lineEnd = Environment.NewLine;
byte[] boundaryBytes = System.Text.Encoding.UTF8.GetBytes(lineStart + Boundary + lineEnd);
string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"" + lineEnd + lineEnd + "{1}" + lineEnd;
if (!string.IsNullOrEmpty(reqState.options.Params))
{
Dictionary<string, string> paramMap = parseHeaders(reqState.options.Params);
foreach (string key in paramMap.Keys)
{
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
string formItem = string.Format(formdataTemplate, key, paramMap[key]);
byte[] formItemBytes = System.Text.Encoding.UTF8.GetBytes(formItem);
requestStream.Write(formItemBytes, 0, formItemBytes.Length);
}
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
}
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.FileExists(reqState.options.FilePath))
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, new FileTransferError(FileNotFoundError, reqState.options.Server, reqState.options.FilePath, 0)));
return;
}
byte[] endRequest = System.Text.Encoding.UTF8.GetBytes(lineEnd + lineStart + Boundary + lineStart + lineEnd);
long totalBytesToSend = 0;
using (FileStream fileStream = new IsolatedStorageFileStream(reqState.options.FilePath, FileMode.Open, isoFile))
{
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"" + lineEnd + "Content-Type: {2}" + lineEnd + lineEnd;
string header = string.Format(headerTemplate, reqState.options.FileKey, reqState.options.FileName, reqState.options.MimeType);
byte[] headerBytes = System.Text.Encoding.UTF8.GetBytes(header);
byte[] buffer = new byte[4096];
int bytesRead = 0;
//sent bytes needs to be reseted before new upload
bytesSent = 0;
totalBytesToSend = fileStream.Length;
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
requestStream.Write(headerBytes, 0, headerBytes.Length);
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
if (!reqState.isCancelled)
{
requestStream.Write(buffer, 0, bytesRead);
bytesSent += bytesRead;
DispatchFileTransferProgress(bytesSent, totalBytesToSend, callbackId);
System.Threading.Thread.Sleep(1);
}
else
{
throw new Exception("UploadCancelledException");
}
}
}
requestStream.Write(endRequest, 0, endRequest.Length);
}
}
// webRequest
webRequest.BeginGetResponse(ReadCallback, reqState);
}
catch (Exception /*ex*/)
{
if (!reqState.isCancelled)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, new FileTransferError(ConnectionError)), callbackId);
}
}
}
/// <summary>
/// Restore the user settings from isolated storage.
/// </summary>
/// <param name="Type">The type of the settings object.</param>
/// <param name="Section">The section in which the settings are stored.</param>
/// <returns>A populated settings object.</returns>
private static UserSettingsBase RestoreFromIsolatedStorage(Type Type, string Section)
{
XmlSerializer formatter = new XmlSerializer(Type);
IsolatedStorageFileStream settingsFile;
try
{
settingsFile = new IsolatedStorageFileStream(Section + ".Config", FileMode.Open, IsolatedStorageFile.GetUserStoreForDomain());
}
catch (Exception ex)
{
throw (new UserSettingsException("User settings not found in isolated storage", ex));
}
try
{
byte[] buffer = new byte[Convert.ToInt32(settingsFile.Length) - 1 + 1];
settingsFile.Read(buffer, 0, Convert.ToInt32(settingsFile.Length));
MemoryStream stream = new MemoryStream(buffer);
return ((UserSettingsBase) formatter.Deserialize(stream));
}
catch (Exception ex)
{
throw (new UserSettingsException("User settings could not be loaded from isolated storage", ex));
}
finally
{
settingsFile.Close();
}
}
public void LoadAllSubscriptions()
{
// List all the folders for now
//
IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
string[] directoryNames = myStore.GetDirectoryNames();
Subscriptions.Clear();
foreach (string name in directoryNames)
{
if (name == "Shared") continue;
// Read all details.xml files.
//
using (var isoFileStream = new IsolatedStorageFileStream(name + "\\details.xml", FileMode.Open, myStore))
{
byte[] file = new byte[isoFileStream.Length];
isoFileStream.Read(file, 0, (int)isoFileStream.Length);
Subscription info = ViewModels.SubscriptionManager.GetSubscriptionFromFile(file);
Subscriptions.Add(info);
}
}
if (Subscriptions.Count == 0)
{
}
}
private object ReadField(IsolatedStorageFileStream fileStream)
{
if (fileStream.Length == 0)
{
return null;
}
byte[] fieldBytes = new byte[fileStream.Length];
fileStream.Read(fieldBytes, 0, fieldBytes.Length);
object fieldValue = SerializationUtility.ToObject(fieldBytes);
return fieldValue;
}
public byte[] GetAvatarImage(string strHash)
{
byte [] bImage = null;
IsolatedStorageFile storage = null;
storage = IsolatedStorageFile.GetStore(IsolatedStorageScope.User | IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly, null, null);
string strFileName = string.Format("{0}/{1}", AccountFolder, strHash);
if (storage.FileExists(strFileName) == false)
{
storage.Dispose();
return null;
}
IsolatedStorageFileStream stream = null;
try
{
stream = new IsolatedStorageFileStream(strFileName, System.IO.FileMode.Open, storage);
bImage = new byte[stream.Length];
stream.Read(bImage, 0, bImage.Length);
}
catch (Exception)
{
}
finally
{
if (stream != null)
stream.Close();
storage.Dispose();
}
return bImage;
}
public static string ReadAllText(this IsolatedStorageFileStream stream)
{
byte[] buffer = new byte[stream.Length];
stream.Read(buffer, 0, buffer.Length);
return(Encoding.UTF8.GetString(buffer));
}
public static string ReadFromFile(string Filename)
{
string string_data = string.Empty;
try
{
using (IsolatedStorageFile iso = IsolatedStorageFile.GetUserStoreForApplication())
{
lock (iso)
{
if (!FileExists(Filename))
return string.Empty;
IsolatedStorageFileStream isf = new IsolatedStorageFileStream(Filename, System.IO.FileMode.Open, iso);
byte[] data = new byte[(int)isf.Length];
isf.Read(data, 0, (int)isf.Length);
isf.Close();
string_data = Encoding.UTF8.GetString(data, 0, data.Length);
}
}
}
catch (Exception e)
{
ErrorLogging.Log("ISOHelper", e.Message, "ISOHelperError", Filename);
}
return string_data;
}
public void WriteThenRead ()
{
IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication ();
using (IsolatedStorageFileStream fs = new IsolatedStorageFileStream ("moon", FileMode.Create, isf)) {
byte [] data = new byte [2] { 0x00, 0x01 };
fs.Write (data, 0, 1);
fs.WriteByte (0xff);
}
using (IsolatedStorageFileStream fs = isf.OpenFile ("moon", FileMode.Open)) {
byte [] data = new byte [1];
Assert.AreEqual (1, fs.Read (data, 0, 1), "1");
Assert.AreEqual (0x00, data[0], "0x00");
Assert.AreEqual (0xff, fs.ReadByte (), "0xff");
isf.Remove (); // this removed everything
Assert.Throws (delegate { fs.Read (data, 1, 1); }, typeof (IsolatedStorageException), "Remove/Write"); // Fails in Silverlight 3
Assert.Throws (delegate { fs.ReadByte (); }, typeof (IsolatedStorageException), "Remove/WriteByte");
isf.Dispose ();
Assert.Throws (delegate { fs.Read (data, 1, 1); }, typeof (ObjectDisposedException), "Dispose/Write");
Assert.Throws (delegate { fs.ReadByte (); }, typeof (ObjectDisposedException), "Dispose/WriteByte");
}
isf = IsolatedStorageFile.GetUserStoreForApplication ();
Assert.AreEqual (0, isf.GetFileNames ().Length, "Empty");
}
private async void encode(object sender, RoutedEventArgs e)
{
// player.Stop();
LameWrapper lame = new LameWrapper();
lame.InitialLame(44100, 44100, 2, 5);
IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication();
using (IsolatedStorageFileStream WorkStream = isf.CreateFile("encoded_mp3.mp3"))
{
using (PCMStream = isf.OpenFile("/decoded_pcm.pcm", FileMode.Open))
{
int totalread=0;
while (PCMStream.Position<PCMStream.Length)
{
byte[] rawbytes=new byte[65536];
int actualcount=PCMStream.Read(rawbytes, 0, 65536);
// MessageBox.Show("read:" + actualcount);
totalread += actualcount;
PCMStream.Position = totalread;
IBuffer PCMSampleBuffer = WindowsRuntimeBufferExtensions.AsBuffer(rawbytes, 0, rawbytes.Length);
CompressedMp3Content citem = await lame.EncodePcm2Mp3(PCMSampleBuffer);
// MessageBox.Show(citem.Mp3Data.Length+"");
WorkStream.Write(citem.Mp3Data, 0, citem.Mp3Data.Length);
WorkStream.Flush();
statustb.Text = "position: " + PCMStream.Position + " total: " + PCMStream.Length ;
}
}
}
isf.Dispose();
lame.CloseLame();
}
/// <summary>
/// Responsible for reading value from IsolatedStorage using given IsolatedStorageFileStream reference. Subclasses
/// may override this method to provide different implementations of reading from IsolatedStorage.
/// </summary>
/// <param name="fileStream">Stream from which value should be written. May not be null.</param>
/// <param name="encrypted">True if item is stored encrypted</param>
/// <returns>Value read from Isolated Storage. May be null if value stored is null</returns>
protected virtual object ReadField(IsolatedStorageFileStream fileStream, bool encrypted)
{
if (fileStream.Length == 0)
{
return null;
}
byte[] fieldBytes = new byte[fileStream.Length];
fileStream.Read(fieldBytes, 0, fieldBytes.Length);
if (encrypted)
{
fieldBytes = DecryptValue(fieldBytes);
}
object fieldValue = SerializationUtility.ToObject(fieldBytes);
return fieldValue;
}
/// <summary>
/// 读取本地文件信息,SilverLight缓存中
/// </summary>
/// <param name="rFileName">存储文件名</param>
/// <returns>返回文件数据</returns>
public static byte[] ReadSlByteFile(string rFileName)
{
System.IO.IsolatedStorage.IsolatedStorageFile isf = null;
System.IO.Stream stream = null;
byte[] buffer = null;
try
{
isf = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication();
if (!isf.FileExists(rFileName)) return null;
stream = new System.IO.IsolatedStorage.IsolatedStorageFileStream(rFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read, isf);
buffer = new byte[stream.Length];
stream.Read(buffer, 0, (int)stream.Length);
}
finally
{
if (stream != null)
{
stream.Close(); // Close the stream
stream.Dispose();
}
isf.Dispose();
}
return buffer;
}
private XDocument ReadXmlFile(string fileName)
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
//init folder
if (!store.DirectoryExists(@"cache"))
{
store.CreateDirectory(@"cache");
}
if (!store.DirectoryExists(@"cache/xml"))
{
store.CreateDirectory(@"cache/xml");
}
//read existing file
if (store.FileExists(@"cache/xml/" + fileName + ".xml"))
{
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(@"cache/xml/" + fileName + ".xml", System.IO.FileMode.Open, store))
{
//return XDocument.Load(stream);
//read file to byte array
byte[] bytesInStream = new byte[stream.Length];
stream.Read(bytesInStream, 0, bytesInStream.Length);
//decrypt
byte[] decryptedBytes = ProtectedData.Unprotect(bytesInStream, XmlOptionalEntropy);
//convert byte array to string
string xml_text = Encoding.UTF8.GetString(decryptedBytes, 0, decryptedBytes.Length);
return XDocument.Parse(xml_text, LoadOptions.None);
}
}
return null;
}
}
private static string GetMainPageString(string elementName)
{
using (IsolatedStorageFile iso = IsolatedStorageFile.GetUserStoreForApplication()) {
using (var file = new IsolatedStorageFileStream("mainpage.xml", FileMode.Open, iso)) {
var bb = new byte[file.Length];
file.Read(bb, 0, bb.Length);
using (var oStream = new MemoryStream(bb)) {
XDocument xDoc = XDocument.Load(oStream);
try {
return xDoc.Element("items").Element(elementName).Value;
}
catch (NullReferenceException) {
return string.Empty;
}
}
}
}
}
private static void SetMainPageString(string value, string elementName)
{
using (IsolatedStorageFile iso = IsolatedStorageFile.GetUserStoreForApplication()) {
XDocument xDoc;
using (var file = new IsolatedStorageFileStream("mainpage.xml", FileMode.Open, iso)) {
var bb = new byte[file.Length];
file.Read(bb, 0, bb.Length);
using (var oStream = new MemoryStream(bb)) {
xDoc = XDocument.Load(oStream);
if (!xDoc.Element("items").Elements(elementName).Any())
xDoc.Element("items").Add(new XElement(elementName, value));
xDoc.Element("items").Element(elementName).Value = value;
}
}
using (var file = new IsolatedStorageFileStream("mainpage.xml", FileMode.Create, iso)) {
byte[] bb = Encoding.UTF8.GetBytes(xDoc.ToString());
file.Write(bb, 0, bb.Length);
}
}
}
private static byte[] ReadFile(string file)
{
string filename = AvatarsDirectory + Path.DirectorySeparatorChar + file;
using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForAssembly())
{
if (storage.GetDirectoryNames(AvatarsDirectory).Length == 0)
{
storage.CreateDirectory(AvatarsDirectory);
}
using (var stream =
new IsolatedStorageFileStream(filename, FileMode.OpenOrCreate, storage))
{
var buffer = new byte[stream.Length];
stream.Read(buffer, 0, buffer.Length);
return buffer;
}
}
}
/// <summary>
/// Read file from Isolated Storage and sends it to server
/// </summary>
/// <param name="asynchronousResult"></param>
private void WriteCallback(IAsyncResult asynchronousResult)
{
try
{
HttpWebRequest webRequest = (HttpWebRequest)asynchronousResult.AsyncState;
using (Stream requestStream = (webRequest.EndGetRequestStream(asynchronousResult)))
{
string lineStart = "--";
string lineEnd = Environment.NewLine;
byte[] boundaryBytes = System.Text.Encoding.UTF8.GetBytes(lineStart + Boundary + lineEnd);
string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"" + lineEnd + lineEnd + "{1}" + lineEnd;
if (uploadOptions.Params != null)
{
Dictionary<string, object> customParams = uploadOptions.Params;
foreach (string key in customParams.Keys)
{
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
string formItem = string.Format(formdataTemplate, key, customParams[key]);
byte[] formItemBytes = System.Text.Encoding.UTF8.GetBytes(formItem);
requestStream.Write(formItemBytes, 0, formItemBytes.Length);
}
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
}
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.FileExists(uploadOptions.FilePath))
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, new FileTransferError(FileNotFoundError)));
return;
}
using (FileStream fileStream = new IsolatedStorageFileStream(uploadOptions.FilePath, FileMode.Open, isoFile))
{
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"" + lineEnd + "Content-Type: {2}" + lineEnd + lineEnd;
string header = string.Format(headerTemplate, uploadOptions.FileKey, uploadOptions.FileName, uploadOptions.MimeType);
byte[] headerBytes = System.Text.Encoding.UTF8.GetBytes(header);
requestStream.Write(headerBytes, 0, headerBytes.Length);
byte[] buffer = new byte[4096];
int bytesRead = 0;
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, bytesRead);
bytesSent += bytesRead;
}
}
byte[] endRequest = System.Text.Encoding.UTF8.GetBytes(lineEnd + lineStart + Boundary + lineStart + lineEnd);
requestStream.Write(endRequest, 0, endRequest.Length);
}
}
webRequest.BeginGetResponse(ReadCallback, webRequest);
}
catch(Exception e)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, new FileTransferError(ConnectionError)));
});
}
}
private void button3_Click(object sender, System.Windows.RoutedEventArgs e)
{
// Obtain a virtual store for the application.
IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
try
{
// Specify the file path and options.
GlobalVar.client.Send("" + 2 + "\n");
GlobalVar.client.Send(RemoteUpload.Text + "\n");
using (var isoFileStream = new IsolatedStorageFileStream("MyFolder\\" + RemoteUpload.Text, FileMode.Open, myStore))
{
// Read the data.
using (var isoFileReader = new StreamReader(isoFileStream))
{
int readbytes = 12288;
while (readbytes == 12288)
{
byte[] buffer = new byte[12288];
readbytes = isoFileStream.Read(buffer, 0, 12288);
String tobesend = "";
int i = 0;
//int temp_send = isoFileStream.ReadByte();
while (i != readbytes)
{
//GlobalVar.client.Send(temp_send + "\n");
//temp_send = isoFileStream.ReadByte();
tobesend = tobesend + ((int)buffer[i]).ToString() + "\n";
i++;
}
GlobalVar.client.Send(tobesend);
}
GlobalVar.client.Send("null" + "\n");
}
}
// GlobalVar.client.Send("-1"+ "\n");
}
catch
{
// Handle the case when the user attempts to click the Read button first.
//txtRead.Text = "Need to create directory and the file first.";
}
}
private static Guid GetOrCreateOriginIdentity() {
Requires.ValidState(file != null);
Contract.Ensures(Contract.Result<Guid>() != Guid.Empty);
Guid identityGuid = Guid.Empty;
const int GuidLength = 16;
using (var identityFileStream = new IsolatedStorageFileStream("identity.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read, file)) {
if (identityFileStream.Length == GuidLength) {
byte[] guidBytes = new byte[GuidLength];
if (identityFileStream.Read(guidBytes, 0, GuidLength) == GuidLength) {
identityGuid = new Guid(guidBytes);
}
}
if (identityGuid == Guid.Empty) {
identityGuid = Guid.NewGuid();
byte[] guidBytes = identityGuid.ToByteArray();
identityFileStream.SetLength(0);
identityFileStream.Write(guidBytes, 0, guidBytes.Length);
}
return identityGuid;
}
}
/* private void LayoutRoot_Unloaded(object sender, RoutedEventArgs e)
{
Sender.DetachDuplexOutputChannel();
}*/
private void button1_Click_1(object sender, RoutedEventArgs e)
{
textBox4.Text = "test";
textBox2.Text = "";
IsolatedStorageFile fileStorage = IsolatedStorageFile.GetUserStoreForApplication();
IsolatedStorageFileStream stream = new IsolatedStorageFileStream("Intro English.jpg", FileMode.Open, fileStorage);
//textBox4.Text = "1 step passed!";
var image = new BitmapImage();
// textBox4.Text = "2 step passed!";
image.SetSource(stream);
//textBox4.Text = "3 step passed!";
image1.Source = image;
//textBox4.Text = "4 step passed!";
//stream.Seek(0,0);
/*for (int i = 0; i < stream.Length; i++)
{
file[i] = stream.Read(
}*/
//string sim = "";
byte[] img = new byte[stream.Length];
long seekPos = stream.Seek(0, SeekOrigin.Begin);
stream.Read(img, 0, img.Length);
seekPos = stream.Seek(0, SeekOrigin.Begin);
/* var cnt = 0;
foreach (byte x in img)
{
textBox4.Text = cnt.ToString() + ":" + x.ToString();
cnt++;
}*/
textBox4.Text = img[3000].ToString();
/* IPAddress ipa = IPAddress.Parse("127.0.0.1");
IPEndPoint end = new IPEndPoint(ipa, 8001);*/
TcpClient to_transmit = new TcpClient("127.0.0.1",8001);
// to_transmit.Connect(textBox1.Text, 8001);
//to_transmit.Connect(end);
NetworkStream trans_stream = to_transmit.GetStream();
trans_stream.Write(img, 0, img.Length);
if (to_transmit.Connected != true) textBox4.Text = "Conn error!";
byte[] resp = new byte[1000000];
int max = trans_stream.Read(resp, 0, 1000000);
for (int i = 0; i < max; i++) textBox2.Text += Convert.ToChar(resp[i]);
trans_stream.Dispose();
to_transmit.Dispose();
//to_transmit.EndConnect();
//textBox4.Text = stream.Length.ToString();
}
