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62 lines
1.6 KiB
Go
62 lines
1.6 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 main
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import (
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"encoding/json"
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"io"
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"time"
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)
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// A xlMetaV1 represents a metadata header mapping keys to sets of values.
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type xlMetaV1 struct {
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Version string `json:"version"`
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Stat struct {
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Size int64 `json:"size"`
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ModTime time.Time `json:"modTime"`
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Version int64 `json:"version"`
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} `json:"stat"`
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Erasure struct {
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DataBlocks int `json:"data"`
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ParityBlocks int `json:"parity"`
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BlockSize int64 `json:"blockSize"`
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}
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Minio struct {
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Release string `json:"release"`
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} `json:"minio"`
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}
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// Write writes a metadata in wire format.
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func (m xlMetaV1) Write(writer io.Writer) error {
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metadataBytes, err := json.Marshal(m)
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if err != nil {
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return err
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}
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_, err = writer.Write(metadataBytes)
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return err
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}
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// xlMetaV1Decode - file metadata decode.
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func xlMetaV1Decode(reader io.Reader) (metadata xlMetaV1, err error) {
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decoder := json.NewDecoder(reader)
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// Unmarshalling failed, file possibly corrupted.
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if err = decoder.Decode(&metadata); err != nil {
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return xlMetaV1{}, err
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}
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return metadata, nil
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}
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