public void MultipartUploadAbortInMiddleTest()
{
var sourceFile = Config.MultiUploadSampleFile;
//get target object name
var targetObjectKey = OssTestUtils.GetObjectKey(_className);
var initRequest = new InitiateMultipartUploadRequest(_bucketName, targetObjectKey);
var initResult = _ossClient.InitiateMultipartUpload(initRequest);
// 设置每块为 1M
const int partSize = 1024 * 1024 * 1;
var partFile = new FileInfo(sourceFile);
// 计算分块数目
var partCount = OssTestUtils.CalculatePartCount(partFile.Length, partSize);
Assert.IsTrue(partCount > 1, "Source file is too small to perform multipart upload");
LogUtility.LogMessage("File {0} is splitted to {1} parts for multipart upload",
sourceFile, partCount);
// 新建一个List保存每个分块上传后的ETag和PartNumber
var partETags = new List<PartETag>();
//upload the file
using (var fs = new FileStream(partFile.FullName, FileMode.Open))
{
//use partCount - 1, so that the last part is left
for (var i = 0; i < partCount - 1; i++)
{
// 跳到每个分块的开头
long skipBytes = partSize * i;
fs.Position = skipBytes;
// 计算每个分块的大小
var size = partSize < partFile.Length - skipBytes
? partSize
: partFile.Length - skipBytes;
// 创建UploadPartRequest，上传分块
var uploadPartRequest = new UploadPartRequest(_bucketName, targetObjectKey, initResult.UploadId);
uploadPartRequest.InputStream = fs;
uploadPartRequest.PartSize = size;
uploadPartRequest.PartNumber = (i + 1);
var uploadPartResult = _ossClient.UploadPart(uploadPartRequest);
// 将返回的PartETag保存到List中。
partETags.Add(uploadPartResult.PartETag);
//list parts which are uploaded
var listPartsRequest = new ListPartsRequest(_bucketName, targetObjectKey, initResult.UploadId);
var listPartsResult = _ossClient.ListParts(listPartsRequest);
//there should be only 1 part was not uploaded
Assert.AreEqual(i + 1, listPartsResult.Parts.Count(), "uploaded parts is not expected");
}
}
//abort the upload
var abortRequest = new AbortMultipartUploadRequest(_bucketName, targetObjectKey, initResult.UploadId);
_ossClient.AbortMultipartUpload(abortRequest);
}
public static Task ListPartsAsync(this IOss client, ListPartsRequest listPartsRequest)
{
return(Task.Factory.StartNew(() => client.ListParts(listPartsRequest)));
}