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e6d740ce09
This combines calling GetObjectInfo and GetObject while returning a io.ReadCloser for the object's body. This allows the two operations to be under a single lock, fixing a race between getting object info and reading the object body.
79 lines
4.0 KiB
Go
79 lines
4.0 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"io"
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"github.com/minio/minio/pkg/hash"
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"github.com/minio/minio/pkg/madmin"
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"github.com/minio/minio/pkg/policy"
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)
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// ObjectLayer implements primitives for object API layer.
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type ObjectLayer interface {
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// Storage operations.
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Shutdown(context.Context) error
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StorageInfo(context.Context) StorageInfo
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// Bucket operations.
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MakeBucketWithLocation(ctx context.Context, bucket string, location string) error
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GetBucketInfo(ctx context.Context, bucket string) (bucketInfo BucketInfo, err error)
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ListBuckets(ctx context.Context) (buckets []BucketInfo, err error)
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DeleteBucket(ctx context.Context, bucket string) error
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ListObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (result ListObjectsInfo, err error)
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ListObjectsV2(ctx context.Context, bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (result ListObjectsV2Info, err error)
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// Object operations.
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GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec) (objInfo ObjectInfo, reader io.ReadCloser, err error)
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GetObject(ctx context.Context, bucket, object string, startOffset int64, length int64, writer io.Writer, etag string) (err error)
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GetObjectInfo(ctx context.Context, bucket, object string) (objInfo ObjectInfo, err error)
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PutObject(ctx context.Context, bucket, object string, data *hash.Reader, metadata map[string]string) (objInfo ObjectInfo, err error)
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CopyObject(ctx context.Context, srcBucket, srcObject, destBucket, destObject string, srcInfo ObjectInfo) (objInfo ObjectInfo, err error)
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DeleteObject(ctx context.Context, bucket, object string) error
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// Multipart operations.
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ListMultipartUploads(ctx context.Context, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error)
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NewMultipartUpload(ctx context.Context, bucket, object string, metadata map[string]string) (uploadID string, err error)
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CopyObjectPart(ctx context.Context, srcBucket, srcObject, destBucket, destObject string, uploadID string, partID int,
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startOffset int64, length int64, srcInfo ObjectInfo) (info PartInfo, err error)
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PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data *hash.Reader) (info PartInfo, err error)
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ListObjectParts(ctx context.Context, bucket, object, uploadID string, partNumberMarker int, maxParts int) (result ListPartsInfo, err error)
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AbortMultipartUpload(ctx context.Context, bucket, object, uploadID string) error
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CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, uploadedParts []CompletePart) (objInfo ObjectInfo, err error)
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// Healing operations.
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ReloadFormat(ctx context.Context, dryRun bool) error
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HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error)
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HealBucket(ctx context.Context, bucket string, dryRun bool) ([]madmin.HealResultItem, error)
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HealObject(ctx context.Context, bucket, object string, dryRun bool) (madmin.HealResultItem, error)
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ListBucketsHeal(ctx context.Context) (buckets []BucketInfo, err error)
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ListObjectsHeal(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error)
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// Policy operations
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SetBucketPolicy(context.Context, string, *policy.Policy) error
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GetBucketPolicy(context.Context, string) (*policy.Policy, error)
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DeleteBucketPolicy(context.Context, string) error
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// Supported operations check
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IsNotificationSupported() bool
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IsEncryptionSupported() bool
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}
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