Synnefo » Pithos MS Client

                    //Do not upload files in conflict

                    if (action.FileState.FileStatus == FileStatus.Conflict )

                    {

                        Log.InfoFormat("Skipping file in conflict [{0}]",fileInfo.FullName);

                        return;

                    }

                    if (action.FileState.FileStatus == FileStatus.Forbidden)

                    {

                        Log.InfoFormat("Skipping forbidden file [{0}]",fileInfo.FullName);

                        return;

                    }

                        try

                        {

                            if (fileInfo is DirectoryInfo)

                            {

                                //If the directory doesn't exist the Hash property will be empty

                                if (String.IsNullOrWhiteSpace(info.Hash))

                                    //Go on and create the directory

                                    await

                                        client.PutObject(account, cloudFile.Container, cloudFile.Name, fullFileName,

                                                         String.Empty, "application/directory");

                            }

                            else

                            {

                                var cloudHash = info.Hash.ToLower();

                                var hash = action.LocalHash.Value;

                                var topHash = action.TopHash.Value;

                                //If the file hashes match, abort the upload

                                if (hash == cloudHash || topHash == cloudHash)

                                {

                                    //but store any metadata changes 

                                    StatusKeeper.StoreInfo(fullFileName, info);

                                    Log.InfoFormat("Skip upload of {0}, hashes match", fullFileName);

                                    return;

                                }

                                //Mark the file as modified while we upload it

                                StatusKeeper.SetFileOverlayStatus(fullFileName, FileOverlayStatus.Modified);

                                //And then upload it

                                //Upload even small files using the Hashmap. The server may already contain

                                //the relevant block

                                //First, calculate the tree hash

                                var treeHash = await Signature.CalculateTreeHashAsync(fullFileName, accountInfo.BlockSize,

                                                                                      accountInfo.BlockHash, 2);

                                //TODO: If the upload fails with a 403, abort it and mark conflict

                                await

                                    UploadWithHashMap(accountInfo, cloudFile, fileInfo as FileInfo, cloudFile.Name, treeHash);

                            }

                            //If everything succeeds, change the file and overlay status to normal

                            StatusKeeper.SetFileState(fullFileName, FileStatus.Unchanged, FileOverlayStatus.Normal);

                        }

                        catch (WebException exc)

                        {

                            var response=(exc.Response as HttpWebResponse);

                            if (response.StatusCode == HttpStatusCode.Forbidden)

                            {

                                StatusKeeper.SetFileState(fileInfo.FullName,FileStatus.Forbidden, FileOverlayStatus.Conflict);                                

                            }