0aedb67de0
Currently the server would set 'application/octet-stream' for all objects, set this value based on the file extension transparently. This is useful in case of minio browser to facilitate displaying proper icons for the different mime data types.
136 lines
3.4 KiB
Go
136 lines
3.4 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015 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 fs
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import (
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"os"
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"path/filepath"
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"sync"
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"time"
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"github.com/minio/minio-xl/pkg/probe"
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"github.com/minio/minio/pkg/contentdb"
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)
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// Filesystem - local variables
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type Filesystem struct {
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path string
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minFreeDisk int64
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maxBuckets int
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lock *sync.Mutex
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multiparts *Multiparts
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buckets *Buckets
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listServiceReqCh chan<- listServiceReq
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timeoutReqCh chan<- uint32
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}
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// Buckets holds acl information
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type Buckets struct {
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Version string `json:"version"`
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Metadata map[string]*BucketMetadata
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}
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// MultipartSession holds active session information
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type MultipartSession struct {
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TotalParts int
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UploadID string
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Initiated time.Time
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Parts []*PartMetadata
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}
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// Multiparts collection of many parts
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type Multiparts struct {
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Version string `json:"version"`
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ActiveSession map[string]*MultipartSession `json:"activeSessions"`
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}
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// New instantiate a new donut
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func New(rootPath string) (Filesystem, *probe.Error) {
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setFSBucketsConfigPath(filepath.Join(rootPath, "$buckets.json"))
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setFSMultipartsConfigPath(filepath.Join(rootPath, "$multiparts-session.json"))
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var err *probe.Error
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// load multiparts session from disk
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var multiparts *Multiparts
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multiparts, err = loadMultipartsSession()
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if err != nil {
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if os.IsNotExist(err.ToGoError()) {
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multiparts = &Multiparts{
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Version: "1",
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ActiveSession: make(map[string]*MultipartSession),
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}
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if err := saveMultipartsSession(multiparts); err != nil {
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return Filesystem{}, err.Trace()
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}
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} else {
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return Filesystem{}, err.Trace()
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}
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}
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// Initialize content db.
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contentdb.Init()
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var buckets *Buckets
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buckets, err = loadBucketsMetadata()
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if err != nil {
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if os.IsNotExist(err.ToGoError()) {
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buckets = &Buckets{
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Version: "1",
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Metadata: make(map[string]*BucketMetadata),
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}
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if err := saveBucketsMetadata(buckets); err != nil {
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return Filesystem{}, err.Trace()
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}
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} else {
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return Filesystem{}, err.Trace()
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}
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}
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fs := Filesystem{lock: new(sync.Mutex)}
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fs.path = rootPath
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fs.multiparts = multiparts
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fs.buckets = buckets
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/// Defaults
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// maximum buckets to be listed from list buckets.
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fs.maxBuckets = 1000
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// minium free disk required for i/o operations to succeed.
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fs.minFreeDisk = 10
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// Start list goroutine.
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if err = fs.listObjectsService(); err != nil {
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return Filesystem{}, err.Trace(rootPath)
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}
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// Return here.
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return fs, nil
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}
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// SetMinFreeDisk - set min free disk
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func (fs *Filesystem) SetMinFreeDisk(minFreeDisk int64) {
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fs.lock.Lock()
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defer fs.lock.Unlock()
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fs.minFreeDisk = minFreeDisk
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}
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// SetMaxBuckets - set total number of buckets supported, default is 100.
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func (fs *Filesystem) SetMaxBuckets(maxBuckets int) {
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fs.lock.Lock()
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defer fs.lock.Unlock()
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if maxBuckets == 0 {
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maxBuckets = 100
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}
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fs.maxBuckets = maxBuckets
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}
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