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/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2015-2017 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package minio
// Multipart upload defaults.
// absMinPartSize - absolute minimum part size (5 MiB) below which
// a part in a multipart upload may not be uploaded.
const absMinPartSize = 1024 * 1024 * 5
// minPartSize - minimum part size 16MiB per object after which
// putObject behaves internally as multipart.
const minPartSize = 1024 * 1024 * 16
// maxPartsCount - maximum number of parts for a single multipart session.
const maxPartsCount = 10000
// maxPartSize - maximum part size 5GiB for a single multipart upload
// operation.
const maxPartSize = 1024 * 1024 * 1024 * 5
// maxSinglePutObjectSize - maximum size 5GiB of object per PUT
// operation.
const maxSinglePutObjectSize = 1024 * 1024 * 1024 * 5
// maxMultipartPutObjectSize - maximum size 5TiB of object for
// Multipart operation.
const maxMultipartPutObjectSize = 1024 * 1024 * 1024 * 1024 * 5
// unsignedPayload - value to be set to X-Amz-Content-Sha256 header when
// we don't want to sign the request payload
const unsignedPayload = "UNSIGNED-PAYLOAD"
// unsignedPayloadTrailer value to be set to X-Amz-Content-Sha256 header when
// we don't want to sign the request payload, but have a trailer.
const unsignedPayloadTrailer = "STREAMING-UNSIGNED-PAYLOAD-TRAILER"
// Total number of parallel workers used for multipart operation.
const totalWorkers = 4
// Signature related constants.
const (
signV4Algorithm = "AWS4-HMAC-SHA256"
iso8601DateFormat = "20060102T150405Z"
)
const (
// Storage class header.
amzStorageClass = "X-Amz-Storage-Class"
// Website redirect location header
amzWebsiteRedirectLocation = "X-Amz-Website-Redirect-Location"
// Object Tagging headers
amzTaggingHeader = "X-Amz-Tagging"
amzTaggingHeaderDirective = "X-Amz-Tagging-Directive"
amzVersionID = "X-Amz-Version-Id"
amzTaggingCount = "X-Amz-Tagging-Count"
amzExpiration = "X-Amz-Expiration"
amzRestore = "X-Amz-Restore"
amzReplicationStatus = "X-Amz-Replication-Status"
amzDeleteMarker = "X-Amz-Delete-Marker"
// Object legal hold header
amzLegalHoldHeader = "X-Amz-Object-Lock-Legal-Hold"
// Object retention header
amzLockMode = "X-Amz-Object-Lock-Mode"
amzLockRetainUntil = "X-Amz-Object-Lock-Retain-Until-Date"
amzBypassGovernance = "X-Amz-Bypass-Governance-Retention"
// Replication status
amzBucketReplicationStatus = "X-Amz-Replication-Status"
// Minio specific Replication/lifecycle transition extension
minIOBucketSourceMTime = "X-Minio-Source-Mtime"
minIOBucketSourceETag = "X-Minio-Source-Etag"
minIOBucketReplicationDeleteMarker = "X-Minio-Source-DeleteMarker"
minIOBucketReplicationProxyRequest = "X-Minio-Source-Proxy-Request"
minIOBucketReplicationRequest = "X-Minio-Source-Replication-Request"
minIOBucketReplicationCheck = "X-Minio-Source-Replication-Check"
// Header indicates last tag update time on source
minIOBucketReplicationTaggingTimestamp = "X-Minio-Source-Replication-Tagging-Timestamp"
// Header indicates last retention update time on source
minIOBucketReplicationObjectRetentionTimestamp = "X-Minio-Source-Replication-Retention-Timestamp"
// Header indicates last legalhold update time on source
minIOBucketReplicationObjectLegalHoldTimestamp = "X-Minio-Source-Replication-LegalHold-Timestamp"
minIOForceDelete = "x-minio-force-delete"
// Header indicates delete marker replication request can be sent by source now.
minioTgtReplicationReady = "X-Minio-Replication-Ready"
// Header asks if delete marker replication request can be sent by source now.
isMinioTgtReplicationReady = "X-Minio-Check-Replication-Ready"
)
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