コード例 #1
0
        //=========================================================================================
        //
        //=========================================================================================
        private void OnUploadWorkerDoWork(object sender, DoWorkEventArgs e)
        {
            BackgroundWorker worker = sender as BackgroundWorker;

            using (UploadHelper helper = (UploadHelper)e.Argument)
            {
                bool allskip = false;
                bool allfile = false;

                try
                {
                    helper.beginTime     = DateTime.Now;
                    helper.numberOfFiles = this.filelistGridView.RowCount;

                    for (int i = 0; i < helper.numberOfFiles; i++)
                    {
                        AppMediator.SINGLETON.Ping();

                        // index, vname, vsize, vtype, rname, fpath, status
                        DataRow uprow = this.filelistGridView.GetDataRow(i);

                        helper.fileName = Path.Combine(uprow["fpath"].ToString(), uprow["rname"].ToString());

                        FileInfo fileInfo = new FileInfo(helper.fileName);

                        if (fileInfo.Length == 0)
                        {
                            continue;
                        }

                        DataSet fileSet = null;

                        bool uploadOk = true;
                        bool exists   = false;

                        string fileId = String.Empty;

                        helper.fileNumber = i + 1;
                        helper.fileLength = fileInfo.Length;

                        // guid, companyid, fileid, ftype, vsize, vtype, rname, title, description, wdate
                        helper.InfoRow["rname"] = fileInfo.Name;
                        helper.InfoRow["vsize"] = helper.fileLength;
                        helper.InfoRow["vtype"] = helper.GetMIMEType(fileInfo.Extension);

                        if (AppMediator.SINGLETON.PrepareUploadFile(helper.InfoSet, out fileId, out helper.uploadDay, out helper.fileGuid, out helper.maxChunkSize) == false)
                        {
                            fileSet = AppMediator.SINGLETON.GetFileInfo(fileId);

                            if (allskip == true || fileSet == null)
                            {
                                helper.totalFileLength -= helper.fileLength;

                                helper.statusMessage = "skipped";
                                worker.ReportProgress(helper.percentProgrss, helper as object);

                                continue;
                            }

                            exists = true;

                            if (allfile == false && fileSet != null)
                            {
                                uploadOk = false;

                                DataRow filerow = fileSet.Tables[0].Rows[0];

                                if (filerow["cmodify"].ToString() == "T" &&
                                    filerow["cfile"].ToString() == "T")
                                {
                                    TimeSpan span = DateTime.Now - helper.beginTime;

                                    ConfirmDialog dialog = new ConfirmDialog(helper.MainBox, fileSet, fileInfo);

                                    switch (dialog.ShowDialog())
                                    {
                                    // '예'
                                    // 현재 파일 Upload
                                    case DialogResult.Yes:
                                        uploadOk = true;
                                        break;

                                    // 모두 '예'
                                    // 나머지 모든 파일 Upload
                                    case DialogResult.OK:
                                        uploadOk = true;
                                        allfile  = true;
                                        break;

                                    // '아니오'
                                    case DialogResult.No:
                                        break;

                                    // 모두 '아니오'
                                    // 나머지 모든 파일을 Skip 한다.
                                    case DialogResult.Cancel:
                                        uploadOk = false;
                                        allskip  = true;
                                        break;

                                    // '취소'
                                    case DialogResult.Ignore:
                                        e.Cancel = true;
                                        break;
                                    }

                                    helper.beginTime = DateTime.Now - span;

                                    if (e.Cancel == true)
                                    {
                                        break;
                                    }
                                }
                            }
                        }

                        if (uploadOk == false)
                        {
                            AppMediator.SINGLETON.FailureCloseUploadFile(helper.fileGuid);

                            helper.totalFileLength -= helper.fileLength;

                            helper.statusMessage = "canceled";
                            worker.ReportProgress(helper.percentProgrss, helper as object);

                            continue;
                        }

                        string title    = fileInfo.Name;
                        string contents = String.Empty;

                        if (helper.numberOfFiles == 1)
                        {
                            if (this.SingleFileUpload(fileInfo.Name, ref title, ref contents) == false)
                            {
                                e.Cancel = true;
                                break;
                            }
                        }

                        helper.InfoRow["title"]       = title;
                        helper.InfoRow["description"] = contents;

                        using (FileStream stream = new FileStream(helper.fileName, FileMode.Open, FileAccess.Read))
                        {
                            int iterations = 0;

                            helper.fileLength    = stream.Length;
                            helper.fileName      = stream.Name;
                            helper.fileWriteSize = 0;

                            int chunksize = 16 * 1024;

                            byte[] buffer = new byte[chunksize];

                            int bytesRead = stream.Read(buffer, 0, chunksize);

                            while (bytesRead > 0)
                            {
                                if (worker.CancellationPending == true)
                                {
                                    break;
                                }

                                try
                                {
                                    if (AppMediator.SINGLETON.UploadFile(helper.fileGuid, buffer, helper.fileWriteSize, bytesRead) == true)
                                    {
                                        if (iterations == UploadHelper.AVERAGE_COUNT + 1)
                                        {
                                            long timeForInitChunks = (long)DateTime.Now.Subtract(helper.beginTime).TotalMilliseconds;
                                            long averageChunkTime  = Math.Max(1, timeForInitChunks / UploadHelper.AVERAGE_COUNT);

                                            chunksize = (int)Math.Min(helper.maxChunkSize, chunksize * UploadHelper.PREFERRED_TRANSFER_DURATION / averageChunkTime);
                                            Array.Resize <byte>(ref buffer, chunksize);
                                        }

                                        helper.fileWriteSize  += bytesRead;
                                        helper.totalWriteSize += bytesRead;

                                        helper.statusMessage = "transferring";
                                        worker.ReportProgress(helper.percentProgrss, helper as object);
                                    }
                                    else
                                    {
                                        throw new Exception("server side error!");
                                    }
                                }
                                catch (Exception ex)
                                {
                                    if (helper.NumRetries++ < helper.MaxRetries)
                                    {
                                        // rewind the filestream and keep trying
                                        stream.Position -= bytesRead;
                                    }
                                    else
                                    {
                                        stream.Close();
                                        throw new Exception(String.Format("Error occurred during upload, too many retries. \n{0}", ex.ToString()));
                                    }
                                }

                                bytesRead = stream.Read(buffer, 0, chunksize);
                                iterations++;
                            }

                            stream.Close();

                            if (worker.CancellationPending == true)
                            {
                                break;
                            }

                            if (helper.CheckFileHash() == true)
                            {
                                helper.InfoRow["guid"] = Path.GetFileNameWithoutExtension(helper.fileGuid);

                                if (exists == true && fileSet != null)
                                {
                                    DataRow filerow = fileSet.Tables[0].Rows[0];

                                    string guid   = filerow["guid"].ToString();
                                    string fileid = filerow["fileid"].ToString();

                                    DateTime wdate = Convert.ToDateTime(filerow["wdate"].ToString());

                                    AppMediator.SINGLETON.DeleteFile(guid, fileid, wdate);
                                }

                                AppMediator.SINGLETON.SuccessCloseUploadFile(helper.uploadDay, helper.fileGuid, helper.InfoSet);

                                helper.statusMessage = "completed";
                                worker.ReportProgress(helper.percentProgrss, helper as object);
                            }
                        }
                    }

                    if (worker.CancellationPending == false && e.Cancel == false)
                    {
                        e.Result = helper as object;
                        e.Cancel = false;
                        return;
                    }
                }
                catch (Exception ex)
                {
                    OFileLog.SNG.WriteLog(ex.ToString());

                    string error = AppMediator.SINGLETON.ResourceHelper.TranslateWord("작업 중 오류가 발생하였습니다.") + Environment.NewLine
                                   + ex.Message;
                    MessageBox.Show(error);
                }

                if (String.IsNullOrEmpty(helper.fileGuid) == false)
                {
                    AppMediator.SINGLETON.FailureCloseUploadFile(helper.fileGuid);
                }

                helper.statusMessage = "stopped";
                worker.ReportProgress(helper.percentProgrss, helper as object);

                e.Cancel = true;
                return;
            }
        }