/// <summary>
/// 文件流异步上传，返回文件guid
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public object Post(AsyncsFileUploadRequest request)
{
int code = (int)FS_ErrorCode.Request_Success;
if (base.Request.Files.Length == 0)
{
LogUtil.Info(" request.file is null");
code = (int)FS_ErrorCode.RequestFile_Null;
return new AsyncsFileUploadResponse { ret = code, message = ErrorCodeDic.GetInstance().CodeMessage(code), File_guid = string.Empty };
}
AsyncsFileUploadResponse response = new AsyncsFileUploadResponse();
try
{
ICommonFilesService fileService = new CommonFilesService();
string fileName = (string.IsNullOrEmpty(request.file_name)) ? base.Request.Files[0].FileName : request.file_name;
byte[] bytes = streamToBytes(base.Request.Files[0].InputStream);
code = RequestValid(request, bytes);
if (code != (int)FS_ErrorCode.Request_Success)
return new AsyncsFileUploadResponse { ret = code, message = ErrorCodeDic.GetInstance().CodeMessage(code), File_guid = string.Empty };
response = fileService.AsynFileUpload(fileName, bytes);
}
catch (Exception e)
{
string err = string.Format("CommonFileServiceHost.AsyncsFileUploadRequest error = {0}, request = {1}", e.ToString(), JsonUtil<AsyncsFileUploadRequest>.ToJson(request));
LogUtil.Error(err);
}
return response;
}
public AsyncsFileUploadResponse AsynAmrFileUpload(string fileName, string fileGuid, byte[] bytes)
{
if (!RequestValid(fileName, bytes))
return new AsyncsFileUploadResponse { ret = errorCode, message = ErrorCodeDic.GetInstance().CodeMessage(errorCode), File_guid = string.Empty };
AsyncsFileUploadResponse response = new AsyncsFileUploadResponse();
try
{
string filePath = string.Empty;
string fileExtName = (fileName.Split('.').Length == 1) ? "" : fileName.Split('.')[1];
//string fileGuid = GetShortGuid();
int file_size = bytes.Length;
// 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(bytes);
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),
last_changed_time = StringUtil.GetDateTimeSeconds(DateTime.Now)
};
long n = fileDA_W.CreateNewFile(newEntity);
LogUtil.Info(string.Format("CommonFilesService.AsynAmrFileUpload exits file fileEntity: {0} create result:{1} ",JsonUtil<FileEntity>.ToJson(fileEntity), n));
}
else
{
LogUtil.Info(string.Format("CommonFilesService.AsynAmrFileUpload begin upload: {0} fileguid = {1}, bytes Length={2}", fileName, fileGuid, bytes.Length));
// 异步上传新文件
Stopwatch watch = new Stopwatch();
watch.Start();
FSManager.BeginUploadFile(bytes, fileName, fileExtName, file_size, (uploadResult, uploadEx) =>
{
if (null != uploadEx)
{
LogUtil.Error(string.Format("Error in FSManager.BeginUploadFile callback: {0}", uploadEx.ToString()));
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, bytes.Length));
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, bytes.Length, watch.ElapsedMilliseconds);
if (watch.ElapsedMilliseconds > 3000)
{
LogUtil.Error(info);
errorCode = (int)FS_ErrorCode.RequestFile_TimeOut;
}
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),
last_changed_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);
errorCode = (int)FS_ErrorCode.RequestFile_TimeOut;
}
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.RequestFile_UploadErr;
response.ret = errorCode;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
response.File_guid = string.Empty;
}
return response;
}
