public async void UploadFileToDropbox()
{
System.Diagnostics.Debug.Write("log start" + Environment.NewLine);
string folder, fileName;
folder = @"C:\UploadFiles";
fileName = @"200MB.zip";
using (var dbx = new DropboxClient(SysConfig.DBKey))
{
const int chunkSize = 128 * 1024;
using (FileStream stream = new FileStream(folder + "/" + fileName, FileMode.Open, FileAccess.Read))
{
int numChunks = (int)Math.Ceiling((double)stream.Length / chunkSize);
byte[] buffer = new byte[chunkSize];
string sessionId = null;
for (int i = 0; i < numChunks; i++)
{
var byteRead = stream.Read(buffer, 0, chunkSize);
UploadSessionAppendArg arg = new UploadSessionAppendArg();
using (MemoryStream memStream = new MemoryStream(buffer, 0, byteRead))
{
if (i == 0)
{
var result = await dbx.Files.UploadSessionStartAsync(false, memStream);
sessionId = result.SessionId;
}
else
{
var cursor = new UploadSessionCursor(sessionId, (ulong)(chunkSize * i));
if (i == numChunks - 1)
{
await dbx.Files.UploadSessionFinishAsync(cursor, new CommitInfo("/" + fileName), memStream);
}
else
{
await dbx.Files.UploadSessionAppendV2Async(cursor, false, memStream);
}
}
}
System.Diagnostics.Debug.Write("Chunk " + i.ToString() + " of " + numChunks.ToString() + " Written" + Environment.NewLine);
}
}
}
}
async Task <int> Upload()
{
using (Service1Client client = new Service1Client())
{
GetFileRecordResponse dbxKey = client.GetFileRecord();
if (dbxKey.Errored)
{
return(-1);
}
string logoPath = Server.MapPath("~/TemporaryFolder");
string filename = FileInput.FileName;
if (Directory.Exists(logoPath))
{
System.IO.DirectoryInfo di = new DirectoryInfo(logoPath);
di.Delete(true);
}
DirectorySecurity securityRules = new DirectorySecurity();
securityRules.AddAccessRule(new FileSystemAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null),
FileSystemRights.FullControl, InheritanceFlags.ObjectInherit | InheritanceFlags.ContainerInherit,
PropagationFlags.NoPropagateInherit, AccessControlType.Allow));
DirectoryInfo dir = Directory.CreateDirectory(logoPath);
dir.SetAccessControl(securityRules);
using (var dbx = new DropboxClient(SysConfig.DBKey))
{
string folder = Path.GetDirectoryName(Server.MapPath(FileInput.FileName)); // path to containing folder of file to be uploaded
string fileName = FileInput.FileName; // name of file to be uploaded
FileStream fs = new FileStream(@logoPath + "\\data.dat", FileMode.CreateNew, FileAccess.ReadWrite);
FileInput.PostedFile.InputStream.CopyTo(fs);
fs.Close();
//128 kb chunks
const int chunkSize = 128 * 1024;
// create filestream
using (FileStream stream = new FileStream(@logoPath + "\\data.dat", FileMode.Open, FileAccess.ReadWrite))
//using (FileStream stream = File.Create(logoPath))
{
//FileInput.PostedFile.InputStream.CopyTo(stream);
// generate information for loop
int numChunks = (int)Math.Ceiling((double)stream.Length / chunkSize);
byte[] buffer = new byte[chunkSize];
string sessionId = null;
// chunk sessions
pValue = numChunks;
System.Diagnostics.Debug.WriteLine(numChunks.ToString());
for (int i = 0; i < numChunks; i++)
{
Console.WriteLine(i.ToString() + " / " + numChunks.ToString());
var byteRead = stream.Read(buffer, 0, chunkSize);
UploadSessionAppendArg arg = new UploadSessionAppendArg();
using (MemoryStream memStream = new MemoryStream(buffer, 0, byteRead))
{
if (i == 0)
{
var result = await dbx.Files.UploadSessionStartAsync(false, memStream);
sessionId = result.SessionId;
}
else
{
var cursor = new UploadSessionCursor(sessionId, (ulong)(chunkSize * i));
Status.Text = i.ToString() + " / " + numChunks.ToString();
System.Diagnostics.Debug.WriteLine(i.ToString() + " / " + numChunks.ToString());
if (i == numChunks - 1)
{
await dbx.Files.UploadSessionFinishAsync
(cursor, new CommitInfo("/" + fileName), memStream);
}
else
{
await dbx.Files.UploadSessionAppendV2Async(cursor, false, memStream);
}
}
}
}
}
// file upload finished log new file name
InsertFileRecordResponse frResp = client.InsertFileRecord(new InsertFileRecordRequest()
{
FileName = FileInput.PostedFile.FileName
});
if (frResp.Errored)
{
// handle it
ErreurMessage.Text = "Error";
return(0);
}
// if the file is a new version delete the old version
if (frResp.DeleteOldFile)
{
await dbx.Files.DeleteAsync(new DeleteArg("/" + frResp.OldFileName));
}
///DELETE THE TEMPORARY FILE ///
if (Directory.Exists(logoPath))
{
System.IO.DirectoryInfo di = new DirectoryInfo(logoPath);
di.Delete(true);
}
Status.Text = "100%";
EndMessage.Text = "Upload Completed";
EndMessage.Visible = true;
theProgressBar.Visible = false;
return(0);
}
}
}
