Aliyun.OSS.Test.TestClass.ObjectTestClass.ObjectMultipartUploadTest.MultipartUploadPartCopyComplexStepTest C# (CSharp) Метод

        public void MultipartUploadPartCopyComplexStepTest()
        {
            //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 512K
            const int partSize = 1024 * 512 * 1;

            var sourceObjectMeta = _ossClient.GetObjectMetadata(_bucketName, _sourceObjectKey);
            // 计算分块数目
            var partCount = OssTestUtils.CalculatePartCount(sourceObjectMeta.ContentLength, partSize);

            LogUtility.LogMessage("Object {0} is splitted to {1} parts for multipart upload part copy",
                _sourceObjectKey, partCount);

            // 新建一个List保存每个分块上传后的ETag和PartNumber
            var partETags = new List<PartETag>();

            for (var i = 0; i < partCount; i++)
            {
                // 跳到每个分块的开头
                long skipBytes = partSize * i;

                // 计算每个分块的大小
                var size = partSize < sourceObjectMeta.ContentLength - skipBytes
                    ? partSize
                    : sourceObjectMeta.ContentLength - skipBytes;

                // 创建UploadPartRequest，上传分块
                var uploadPartCopyRequest =
                    new UploadPartCopyRequest(_bucketName, targetObjectKey, _bucketName, _sourceObjectKey, initResult.UploadId)
                    {
                        BeginIndex = skipBytes,
                        PartSize = size,
                        PartNumber = (i + 1),
                        ModifiedSinceConstraint = DateTime.Now.AddDays(-1)
                    };
                uploadPartCopyRequest.MatchingETagConstraints.Add(_objectETag);
                var uploadPartCopyResult = _ossClient.UploadPartCopy(uploadPartCopyRequest);

                // 将返回的PartETag保存到List中。
                partETags.Add(uploadPartCopyResult.PartETag);
            }

            var lmuRequest = new ListMultipartUploadsRequest(_bucketName);
            var lmuListing = _ossClient.ListMultipartUploads(lmuRequest);

            string mpUpload = null;
            foreach (var t in lmuListing.MultipartUploads)
            {
                if (t.UploadId == initResult.UploadId)
                {
                    mpUpload = t.UploadId;
                    break;
                }
            }

            Assert.IsNotNull(mpUpload, "The multipart uploading should be in progress");

            var completeRequest = new CompleteMultipartUploadRequest(_bucketName, targetObjectKey, initResult.UploadId);
            foreach (var partETag in partETags)
            {
                completeRequest.PartETags.Add(partETag);
            }
            _ossClient.CompleteMultipartUpload(completeRequest);

            Assert.IsTrue(OssTestUtils.ObjectExists(_ossClient, _bucketName, targetObjectKey));

            //delete the object
            _ossClient.DeleteObject(_bucketName, targetObjectKey);
        }