/// <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;
}
