public int Read(byte[] buffer, int offset, int count)
{
if (offset < 0)
{
throw new ArgumentException("Offset must be greater than or equal to 0");
}
if (offset == 0)
{
return((int)_inputStream.Read(buffer, (nuint)count));
}
return((int)_inputStream.Read(buffer, offset, (nuint)count));
}
public void HandleInputEvent(object sender, NSStreamEventArgs e)
{
Console.WriteLine("***** Input ***** " + e.StreamEvent);
if (e.StreamEvent == NSStreamEvent.HasBytesAvailable)
{
var buffer = new byte[1024];
nint bytesRead = inputStream.Read(buffer, 3);
var stringRead = Encoding.UTF8.GetString(buffer);
Console.WriteLine("***** String ***** " + stringRead);
}
}
private byte[] ReadFromInputStream(NSInputStream stream, string clientUid)
{
var header = new MqttFixedHeader();
var headerByte = new byte[1];
nint receivedSize;
// Read the fixed header
do
{
receivedSize = stream.Read(headerByte, 0, (nuint)headerByte.Length);
} while (receivedSize > 0 && header.AppendByte(headerByte[0]));
if (!header.IsComplete)
{
_logger.LogMessage("Socket", LogLevel.Error,
string.Format("Read header operation could not read header, aborting."));
return(null);
}
_logger.LogMessage("Socket", LogLevel.Verbose,
string.Format("Received message header type '{0}' from client {1}.", header.MessageType, clientUid));
//_logger.LogMessage("Socket", LogLevel.Warning,
// string.Format("Received message header=0x{0:X}, Remaining length={1}.", header.Buffer[0], header.RemainingLength));
// Create a buffer and read the remaining message
var completeBuffer = header.CreateMessageBuffer();
receivedSize = 0;
while (receivedSize < header.RemainingLength)
{
receivedSize += stream.Read(completeBuffer, header.HeaderSize + (int)receivedSize, (nuint)(header.RemainingLength - receivedSize));
}
//_logger.LogMessage("Socket", LogLevel.Warning,
// string.Format(" Bytes read= {0}.", receivedSize));
return(completeBuffer);
}
//Download File
public void DownloadFile(CRCloudMetaData metaData)
{
new System.Threading.Thread(new System.Threading.ThreadStart(() =>
{
InvokeOnMainThread(() =>
{
CloudStorageLogic cloudStorageLogic = new CloudStorageLogic();
NSInputStream inputStream = cloudStorageLogic.DownloadFileWithPath(_cloudStorage, metaData.Path);
NSMutableData data = new NSMutableData();
inputStream.Open();
var int32Value = metaData.Size.Int32Value;
var intValue = metaData.Size.NIntValue;
var buffer = new byte[1024];
while (inputStream.HasBytesAvailable())
{
var len = inputStream.Read(buffer, 1024);
data.AppendBytes(buffer);
}
if (inputStream.HasBytesAvailable() == false)
{
inputStream.Close();
var documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var bytes = data.Bytes;
string localFilename = metaData.Name;
string localPath = Path.Combine(documents, localFilename);
byte[] managedArray = new byte[intValue];
Marshal.Copy(bytes, managedArray, 0, int32Value);
File.WriteAllBytes(localPath, managedArray);
helper.Alert("Download Completed", "File downloaded and saved to file sharing", _controller);
}
});
})).Start();
}
public unsafe void Read()
{
using (var data = NSData.FromArray(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 })) {
using (var s = NSInputStream.FromData(data)) {
byte[] arr = new byte[10];
s.Open();
Assert.IsTrue(s.HasBytesAvailable());
Assert.AreEqual((nint)2, s.Read(arr, 2), "#a 1");
Assert.AreEqual(0, arr [0], "#a[0]");
Assert.AreEqual(1, arr [1], "#a[1]");
}
using (var s = new NSInputStream(data)) {
byte[] arr = new byte[10];
s.Open();
Assert.IsTrue(s.HasBytesAvailable());
Assert.AreEqual((nint)2, s.Read(arr, 1, 2), "#b 1");
Assert.AreEqual(0, arr [0], "#b[0]");
Assert.AreEqual(0, arr [1], "#b[1]");
Assert.AreEqual(1, arr [2], "#b[2]");
}
using (var s = new NSInputStream(data)) {
byte[] arr = new byte[10];
s.Open();
Assert.IsTrue(s.HasBytesAvailable());
fixed(byte *ptr = &arr[2])
Assert.AreEqual((nint)2, s.Read((IntPtr)ptr, 2), "#c 1");
Assert.AreEqual(0, arr [0], "#c[0]");
Assert.AreEqual(0, arr [1], "#c[1]");
Assert.AreEqual(0, arr [2], "#c[2]");
Assert.AreEqual(1, arr [3], "#c[3]");
}
}
}
