AWS 문서 AWS SDK SDK 예제
기계 번역으로 제공되는 번역입니다. 제공된 번역과 원본 영어의 내용이 상충하는 경우에는 영어 버전이 우선합니다.
다음을 사용하여 Amazon S3 객체의 멀티파트 복사 수행 AWS SDK
다음 코드 예제에서는 Amazon S3 객체의 멀티파트 복사를 수행하는 방법을 보여줍니다.
- .NET
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- AWS SDK for .NET
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참고
자세한 내용은 GitHub 다음과 같습니다. AWS 코드 예시 리포지토리
에서 전체 예시를 찾고 설정 및 실행하는 방법을 배워보세요. using System; using System.Collections.Generic; using System.Threading.Tasks; using Amazon.S3; using Amazon.S3.Model; /// <summary> /// This example shows how to perform a multi-part copy from one Amazon /// Simple Storage Service (Amazon S3) bucket to another. /// </summary> public class MPUapiCopyObj { private const string SourceBucket = "doc-example-bucket1"; private const string TargetBucket = "doc-example-bucket2"; private const string SourceObjectKey = "example.mov"; private const string TargetObjectKey = "copied_video_file.mov"; /// <summary> /// This method starts the multi-part upload. /// </summary> public static async Task Main() { var s3Client = new AmazonS3Client(); Console.WriteLine("Copying object..."); await MPUCopyObjectAsync(s3Client); } /// <summary> /// This method uses the passed client object to perform a multipart /// copy operation. /// </summary> /// <param name="client">An Amazon S3 client object that will be used /// to perform the copy.</param> public static async Task MPUCopyObjectAsync(AmazonS3Client client) { // Create a list to store the copy part responses. var copyResponses = new List<CopyPartResponse>(); // Setup information required to initiate the multipart upload. var initiateRequest = new InitiateMultipartUploadRequest { BucketName = TargetBucket, Key = TargetObjectKey, }; // Initiate the upload. InitiateMultipartUploadResponse initResponse = await client.InitiateMultipartUploadAsync(initiateRequest); // Save the upload ID. string uploadId = initResponse.UploadId; try { // Get the size of the object. var metadataRequest = new GetObjectMetadataRequest { BucketName = SourceBucket, Key = SourceObjectKey, }; GetObjectMetadataResponse metadataResponse = await client.GetObjectMetadataAsync(metadataRequest); var objectSize = metadataResponse.ContentLength; // Length in bytes. // Copy the parts. var partSize = 5 * (long)Math.Pow(2, 20); // Part size is 5 MB. long bytePosition = 0; for (int i = 1; bytePosition < objectSize; i++) { var copyRequest = new CopyPartRequest { DestinationBucket = TargetBucket, DestinationKey = TargetObjectKey, SourceBucket = SourceBucket, SourceKey = SourceObjectKey, UploadId = uploadId, FirstByte = bytePosition, LastByte = bytePosition + partSize - 1 >= objectSize ? objectSize - 1 : bytePosition + partSize - 1, PartNumber = i, }; copyResponses.Add(await client.CopyPartAsync(copyRequest)); bytePosition += partSize; } // Set up to complete the copy. var completeRequest = new CompleteMultipartUploadRequest { BucketName = TargetBucket, Key = TargetObjectKey, UploadId = initResponse.UploadId, }; completeRequest.AddPartETags(copyResponses); // Complete the copy. CompleteMultipartUploadResponse completeUploadResponse = await client.CompleteMultipartUploadAsync(completeRequest); } catch (AmazonS3Exception e) { Console.WriteLine($"Error encountered on server. Message:'{e.Message}' when writing an object"); } catch (Exception e) { Console.WriteLine($"Unknown encountered on server. Message:'{e.Message}' when writing an object"); } } }
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자세한 API 내용은 AWS SDK for .NET APIReference의 다음 항목을 참조하십시오.
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파싱 URIs
멀티파트 업로드 수행