public static bool Write(CloudBlockBlob blob, Stream fileStream)
{
try
{
blob.UploadFromStream(fileStream);
return(true);
}
catch (Exception e)
{
CloudLogError.ErrorMsg(e.Message);
return(false);
}
}
public static bool Read(CloudBlockBlob blob, Stream fileStream)
{
try
{
blob.DownloadToStream(fileStream);
return(true);
}
catch (Exception e)
{
CloudLogError.ErrorMsg(e.Message);
return(false);
}
}
public void OpenStream()
{
System.IO.Stream iStream = null;
byte[] buffer = new Byte[4096];
int length;
long dataToRead;
try
{
if (VDXApplicationSettings.IsLocalEnviornment())
{
iStream = new System.IO.FileStream(filepath, System.IO.FileMode.Open,
System.IO.FileAccess.Read, System.IO.FileShare.Read);
}
else
{
VDXCloudBlob blobService = new VDXCloudBlob(this.filename);
iStream = blobService.ExecuteActionStream(VDXCloudAction.READ);
}
// Total bytes to read:
dataToRead = iStream.Length;
Response.AddHeader("Accept-Ranges", "bytes");
Response.ContentType = "video/mp4";
int startbyte = 0;
if (!String.IsNullOrEmpty(Request.Headers["Range"]))
{
string[] range = Request.Headers["Range"].Split(new char[] { '=', '-' });
startbyte = Int32.Parse(range[1]);
iStream.Seek(startbyte, SeekOrigin.Begin);
Response.StatusCode = 206;
Response.AddHeader("Content-Range", String.Format(" bytes {0}-{1}/{2}", startbyte, dataToRead - 1, dataToRead));
}
while (dataToRead > 0)
{
// Verify that the client is connected.
if (Response.IsClientConnected)
{
// Read the data in buffer.
length = iStream.Read(buffer, 0, buffer.Length);
// Write the data to the current output stream.
Response.OutputStream.Write(buffer, 0, buffer.Length);
// Flush the data to the HTML output.
Response.Flush();
buffer = new Byte[buffer.Length];
dataToRead = dataToRead - buffer.Length;
}
else
{
//prevent infinite loop if user disconnects
dataToRead = -1;
}
}
}
catch (HttpException htx)
{
if (VDXApplicationSettings.IsLocalEnviornment())
{
System.Diagnostics.Debug.WriteLine("HttpException: " + htx.Message);
}
else
{
CloudLogError.ErrorMsg(htx.Message);
}
}
catch (Exception ex)
{
if (VDXApplicationSettings.IsLocalEnviornment())
{
System.Diagnostics.Debug.WriteLine("HttpException: " + ex.Message);
}
else
{
CloudLogError.ErrorMsg(ex.Message);
}
}
finally
{
if (iStream != null)
{
//Close the file.
iStream.Close();
}
Response.Close();
}
}
