/// <summary> /// 文件二进制流上传 /// </summary> /// <param name="request"></param> /// <returns></returns> public object Post(FileUploadRequest request) { int code = (int)FS_ErrorCode.Request_Success; if (null == request.file_buffer || request.file_buffer.Length == 0) { LogUtil.Info("Error: request.RequestStream is null."); code = (int)FS_ErrorCode.RequestParam_Err; return new FileUploadResponse { ret = code, message = ErrorCodeDic.GetInstance().CodeMessage(code), File_guid = string.Empty }; } if (string.IsNullOrEmpty(request.file_name)) { LogUtil.Info("Error: request.FileName is null."); code = (int)FS_ErrorCode.RequestParam_Err; return new FileUploadResponse { ret = code, message = ErrorCodeDic.GetInstance().CodeMessage(code), File_guid = string.Empty }; } FileUploadResponse response = new FileUploadResponse(); try { ICommonFilesService fileSvr = new CommonFilesService(); response = fileSvr.FileUpload(request.file_name, request.file_size, request.file_buffer); } catch (Exception e) { string err = string.Format("CommonFileServiceHost.AsyncFileDownloadRequest error = {0}, request = {1}", e.ToString(), JsonUtil<FileUploadRequest>.ToJson(request)); LogUtil.Error(err); } return response; }
public FileUploadResponse FileUpload(string fileName, long file_size, byte[] file_buffer) { FileUploadResponse response = new FileUploadResponse(); try { string filePath = string.Empty; string fileExtName = fileName.Split('.')[1]; string fileGuid = GetShortGuid(); // 计算MD5值, 若相同则不传物理文件至FDFS,只保存一条文件记录 String fileMD5 = FileOperationHelper.CalculateChunkMD5(file_buffer); FileEntity fileEntity = fileDA_R.GetFileEntityByMD5(fileMD5); if (fileEntity != null && fileEntity.file_md5.Equals(fileMD5)) // 文件已存在 { FileEntity newEntity = new FileEntity { file_guid = fileGuid, file_full_name = fileName, file_path = fileEntity.file_path, file_md5 = fileMD5, file_size = file_size, create_time = StringUtil.GetDateTimeSeconds(DateTime.Now) }; fileDA_W.CreateNewFile(newEntity); } else { // 异步上传新文件 Stopwatch watch = new Stopwatch(); watch.Start(); FSManager.BeginUploadFile(file_buffer, fileName, fileExtName, file_size, (uploadResult, uploadEx) => { if (null != uploadEx) { LogUtil.Error(string.Format("Error in FSManager.BeginUploadFile callback: {0}", uploadEx.ToString())); errorCode = (int)FS_ErrorCode.RequestFile_UploadErr; return; } if (null == uploadResult || string.IsNullOrEmpty(uploadResult.FilePathOnFDFS)) { LogUtil.Error(string.Format("Error in FSManager.BeginUploadFile callback:fdfs file Pash is null. FileName={0},fileSize={1}", fileName, file_size)); errorCode = (int)FS_ErrorCode.RequestFile_UploadErr; return; } watch.Stop(); string info = string.Format("Async upload at server(ProcessId = {0}, ThreadId = {1}, CurrTheadsNum = {2}): file_guid = {3}, file_full_name = {4}," +" file_path = {5}, file_md5 = {6}, file_size = {7}, invoking time = {8}ms", Process.GetCurrentProcess().Id, Thread.CurrentThread.ManagedThreadId, Process.GetCurrentProcess().Threads.Count, fileGuid, fileName, uploadResult.FilePathOnFDFS, fileMD5, file_size, watch.ElapsedMilliseconds); if (watch.ElapsedMilliseconds > 3000) LogUtil.Error(info); else LogUtil.Info(info); // 保存FileGuid ,filePath 和FileName, FileSize到数据库 watch.Start(); FileEntity entity = new FileEntity { file_guid = fileGuid, file_full_name = fileName, file_path = uploadResult.FilePathOnFDFS, file_md5 = fileMD5, file_size = file_size, create_time = StringUtil.GetDateTimeSeconds(DateTime.Now) }; fileDA_W.CreateNewFile(entity); watch.Stop(); info = string.Format("after async upload: Save to mysql db cost {0}ms. file_guid={1}, file_full_name={2}", watch.ElapsedMilliseconds, entity.file_guid, entity.file_full_name); if (watch.ElapsedMilliseconds > 3000) LogUtil.Error(info); else LogUtil.Info(info); }); } response.ret = errorCode; response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode); response.File_guid = fileGuid; } catch (Exception ex) { LogUtil.Error(string.Format("Exception FSService.Post(): {0}", ex.ToString())); errorCode = (int)FS_ErrorCode.RequestParam_Err; response.ret = errorCode; response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode); response.File_guid = string.Empty; } return response; }