mirror of
https://github.com/minio/minio.git
synced 2024-12-26 07:05:55 -05:00
For multiparts use its own cache avoids deadlocks during object expiration
Using same object cache as regular objects for multiparts causes deadlocks during object expiration routine. As a side affect this also fixes the bug of listing multiparts during regular 'listing' of objects.
This commit is contained in:
Harshavardhana
parent
5751b0bf36
commit
6275238a47
@ -20,7 +20,6 @@ import (
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"bufio"
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"bytes"
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"crypto/md5"
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"crypto/sha512"
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"encoding/base64"
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"encoding/hex"
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"errors"
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@ -33,8 +32,6 @@ import (
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"sync"
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"time"
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"math/rand"
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"github.com/minio/minio/pkg/iodine"
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"github.com/minio/minio/pkg/storage/drivers"
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)
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@ -44,11 +41,13 @@ type memoryDriver struct {
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storedBuckets map[string]storedBucket
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lock *sync.RWMutex
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objects *Cache
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multiPartObjects *Cache
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}
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type storedBucket struct {
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bucketMetadata drivers.BucketMetadata
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objectMetadata map[string]drivers.ObjectMetadata
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partMetadata map[string]drivers.PartMetadata
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multiPartSession map[string]multiPartSession
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}
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@ -71,9 +70,11 @@ func Start(maxSize uint64, expiration time.Duration) (chan<- string, <-chan erro
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memory = new(memoryDriver)
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memory.storedBuckets = make(map[string]storedBucket)
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memory.objects = NewCache(maxSize, expiration)
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memory.multiPartObjects = NewCache(0, time.Duration(0))
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memory.lock = new(sync.RWMutex)
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memory.objects.OnExpired = memory.expiredObject
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memory.multiPartObjects.OnExpired = memory.expiredPart
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// set up memory expiration
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memory.objects.ExpireObjects(time.Second * 5)
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@ -513,259 +514,3 @@ func (memory *memoryDriver) expiredObject(a ...interface{}) {
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}
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debug.FreeOSMemory()
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}
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func (memory *memoryDriver) NewMultipartUpload(bucket, key, contentType string) (string, error) {
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memory.lock.RLock()
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if !drivers.IsValidBucket(bucket) {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
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}
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if !drivers.IsValidObjectName(key) {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
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}
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if _, ok := memory.storedBuckets[bucket]; ok == false {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
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}
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storedBucket := memory.storedBuckets[bucket]
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objectKey := bucket + "/" + key
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if _, ok := storedBucket.objectMetadata[objectKey]; ok == true {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.ObjectExists{Bucket: bucket, Object: key}, nil)
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}
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memory.lock.RUnlock()
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memory.lock.Lock()
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id := []byte(strconv.FormatInt(rand.Int63(), 10) + bucket + key + time.Now().String())
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uploadIDSum := sha512.Sum512(id)
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uploadID := base64.URLEncoding.EncodeToString(uploadIDSum[:])[:47]
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memory.storedBuckets[bucket].multiPartSession[key] = multiPartSession{
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uploadID: uploadID,
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initiated: time.Now(),
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totalParts: 0,
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}
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memory.lock.Unlock()
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return uploadID, nil
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}
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func (memory *memoryDriver) AbortMultipartUpload(bucket, key, uploadID string) error {
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memory.lock.RLock()
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storedBucket := memory.storedBuckets[bucket]
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if storedBucket.multiPartSession[key].uploadID != uploadID {
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memory.lock.RUnlock()
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return iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
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}
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memory.lock.RUnlock()
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memory.cleanupMultiparts(bucket, key, uploadID)
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memory.cleanupMultipartSession(bucket, key, uploadID)
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return nil
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}
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func getMultipartKey(key string, uploadID string, partNumber int) string {
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return key + "?uploadId=" + uploadID + "&partNumber=" + strconv.Itoa(partNumber)
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}
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func (memory *memoryDriver) CreateObjectPart(bucket, key, uploadID string, partID int, contentType, expectedMD5Sum string, size int64, data io.Reader) (string, error) {
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// Verify upload id
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memory.lock.RLock()
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storedBucket := memory.storedBuckets[bucket]
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if storedBucket.multiPartSession[key].uploadID != uploadID {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
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}
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memory.lock.RUnlock()
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etag, err := memory.CreateObject(bucket, getMultipartKey(key, uploadID, partID), "", expectedMD5Sum, size, data)
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if err != nil {
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return "", iodine.New(err, nil)
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}
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// once successful, update totalParts
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multiPartSession := storedBucket.multiPartSession[key]
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multiPartSession.totalParts++
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storedBucket.multiPartSession[key] = multiPartSession
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return etag, nil
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}
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func (memory *memoryDriver) cleanupMultipartSession(bucket, key, uploadID string) {
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memory.lock.Lock()
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defer memory.lock.Unlock()
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delete(memory.storedBuckets[bucket].multiPartSession, key)
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}
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func (memory *memoryDriver) cleanupMultiparts(bucket, key, uploadID string) {
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memory.lock.Lock()
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defer memory.lock.Unlock()
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for i := 1; i <= memory.storedBuckets[bucket].multiPartSession[key].totalParts; i++ {
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objectKey := bucket + "/" + getMultipartKey(key, uploadID, i)
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memory.objects.Delete(objectKey)
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}
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}
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func (memory *memoryDriver) CompleteMultipartUpload(bucket, key, uploadID string, parts map[int]string) (string, error) {
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if !drivers.IsValidBucket(bucket) {
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return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
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}
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if !drivers.IsValidObjectName(key) {
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return "", iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
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}
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// Verify upload id
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memory.lock.RLock()
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if _, ok := memory.storedBuckets[bucket]; ok == false {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
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}
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storedBucket := memory.storedBuckets[bucket]
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if storedBucket.multiPartSession[key].uploadID != uploadID {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
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}
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memory.lock.RUnlock()
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memory.lock.Lock()
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var size int64
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for i := range parts {
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object, ok := storedBucket.objectMetadata[bucket+"/"+getMultipartKey(key, uploadID, i)]
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if !ok {
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memory.lock.Unlock()
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return "", iodine.New(errors.New("missing part: "+strconv.Itoa(i)), nil)
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}
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size += object.Size
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}
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var fullObject bytes.Buffer
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for i := 1; i <= len(parts); i++ {
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recvMD5 := parts[i]
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object, ok := memory.objects.Get(bucket + "/" + getMultipartKey(key, uploadID, i))
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if ok == false {
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memory.lock.Unlock()
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return "", iodine.New(errors.New("missing part: "+strconv.Itoa(i)), nil)
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}
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obj := object.([]byte)
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calcMD5Bytes := md5.Sum(obj)
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// complete multi part request header md5sum per part is hex encoded
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recvMD5Bytes, err := hex.DecodeString(strings.Trim(recvMD5, "\""))
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if err != nil {
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return "", iodine.New(drivers.InvalidDigest{Md5: recvMD5}, nil)
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}
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if !bytes.Equal(recvMD5Bytes, calcMD5Bytes[:]) {
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return "", iodine.New(drivers.BadDigest{Md5: recvMD5, Bucket: bucket, Key: getMultipartKey(key, uploadID, i)}, nil)
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}
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_, err = io.Copy(&fullObject, bytes.NewBuffer(obj))
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if err != nil {
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return "", iodine.New(err, nil)
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}
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}
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memory.lock.Unlock()
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md5sumSlice := md5.Sum(fullObject.Bytes())
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md5sum := base64.StdEncoding.EncodeToString(md5sumSlice[:])
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etag, err := memory.CreateObject(bucket, key, "", md5sum, size, &fullObject)
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if err != nil {
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// No need to call internal cleanup functions here, caller will call AbortMultipartUpload()
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// which would in-turn cleanup properly in accordance with S3 Spec
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return "", iodine.New(err, nil)
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}
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memory.cleanupMultiparts(bucket, key, uploadID)
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memory.cleanupMultipartSession(bucket, key, uploadID)
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return etag, nil
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}
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// byKey is a sortable interface for UploadMetadata slice
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type byKey []*drivers.UploadMetadata
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func (a byKey) Len() int { return len(a) }
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func (a byKey) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
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func (a byKey) Less(i, j int) bool { return a[i].Key < a[j].Key }
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func (memory *memoryDriver) ListMultipartUploads(bucket string, resources drivers.BucketMultipartResourcesMetadata) (drivers.BucketMultipartResourcesMetadata, error) {
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// TODO handle delimiter, prefix, uploadIDMarker
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memory.lock.RLock()
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defer memory.lock.RUnlock()
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if _, ok := memory.storedBuckets[bucket]; ok == false {
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return drivers.BucketMultipartResourcesMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
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}
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storedBucket := memory.storedBuckets[bucket]
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var uploads []*drivers.UploadMetadata
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for key, session := range storedBucket.multiPartSession {
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if len(uploads) > resources.MaxUploads {
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sort.Sort(byKey(uploads))
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resources.Upload = uploads
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resources.NextKeyMarker = key
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resources.NextUploadIDMarker = session.uploadID
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resources.IsTruncated = true
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return resources, nil
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}
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if key > resources.KeyMarker {
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upload := new(drivers.UploadMetadata)
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upload.Key = key
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upload.UploadID = session.uploadID
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upload.Initiated = session.initiated
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uploads = append(uploads, upload)
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}
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}
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sort.Sort(byKey(uploads))
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resources.Upload = uploads
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return resources, nil
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}
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// partNumber is a sortable interface for Part slice
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type partNumber []*drivers.PartMetadata
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func (a partNumber) Len() int { return len(a) }
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func (a partNumber) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
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func (a partNumber) Less(i, j int) bool { return a[i].PartNumber < a[j].PartNumber }
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func (memory *memoryDriver) ListObjectParts(bucket, key string, resources drivers.ObjectResourcesMetadata) (drivers.ObjectResourcesMetadata, error) {
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// Verify upload id
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memory.lock.RLock()
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defer memory.lock.RUnlock()
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if _, ok := memory.storedBuckets[bucket]; ok == false {
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return drivers.ObjectResourcesMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
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}
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storedBucket := memory.storedBuckets[bucket]
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if _, ok := storedBucket.multiPartSession[key]; ok == false {
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return drivers.ObjectResourcesMetadata{}, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: key}, nil)
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}
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if storedBucket.multiPartSession[key].uploadID != resources.UploadID {
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return drivers.ObjectResourcesMetadata{}, iodine.New(drivers.InvalidUploadID{UploadID: resources.UploadID}, nil)
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}
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objectResourcesMetadata := resources
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objectResourcesMetadata.Bucket = bucket
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objectResourcesMetadata.Key = key
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var parts []*drivers.PartMetadata
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var startPartNumber int
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switch {
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case objectResourcesMetadata.PartNumberMarker == 0:
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startPartNumber = 1
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default:
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startPartNumber = objectResourcesMetadata.PartNumberMarker
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}
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for i := startPartNumber; i <= storedBucket.multiPartSession[key].totalParts; i++ {
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if len(parts) > objectResourcesMetadata.MaxParts {
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sort.Sort(partNumber(parts))
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objectResourcesMetadata.IsTruncated = true
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objectResourcesMetadata.Part = parts
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objectResourcesMetadata.NextPartNumberMarker = i
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return objectResourcesMetadata, nil
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}
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object, ok := storedBucket.objectMetadata[bucket+"/"+getMultipartKey(key, resources.UploadID, i)]
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if !ok {
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return drivers.ObjectResourcesMetadata{}, iodine.New(errors.New("missing part: "+strconv.Itoa(i)), nil)
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}
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partMetadata := &drivers.PartMetadata{}
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partMetadata.Size = object.Size
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partMetadata.LastModified = object.Created
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partMetadata.ETag = object.Md5
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partMetadata.PartNumber = i
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parts = append(parts, partMetadata)
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}
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sort.Sort(partNumber(parts))
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objectResourcesMetadata.Part = parts
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return objectResourcesMetadata, nil
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}
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389
pkg/storage/drivers/memory/memory_multipart.go
Normal file
389
pkg/storage/drivers/memory/memory_multipart.go
Normal file
@ -0,0 +1,389 @@
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/*
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* Minimalist Object 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 memory
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import (
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"bytes"
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"crypto/md5"
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"crypto/sha512"
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"encoding/base64"
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"encoding/hex"
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"errors"
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"io"
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"log"
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"math/rand"
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"runtime/debug"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/minio/minio/pkg/iodine"
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"github.com/minio/minio/pkg/storage/drivers"
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)
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func (memory *memoryDriver) NewMultipartUpload(bucket, key, contentType string) (string, error) {
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memory.lock.RLock()
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if !drivers.IsValidBucket(bucket) {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
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}
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if !drivers.IsValidObjectName(key) {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
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}
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if _, ok := memory.storedBuckets[bucket]; ok == false {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
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}
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storedBucket := memory.storedBuckets[bucket]
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objectKey := bucket + "/" + key
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if _, ok := storedBucket.objectMetadata[objectKey]; ok == true {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.ObjectExists{Bucket: bucket, Object: key}, nil)
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}
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memory.lock.RUnlock()
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memory.lock.Lock()
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id := []byte(strconv.FormatInt(rand.Int63(), 10) + bucket + key + time.Now().String())
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uploadIDSum := sha512.Sum512(id)
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uploadID := base64.URLEncoding.EncodeToString(uploadIDSum[:])[:47]
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memory.storedBuckets[bucket].multiPartSession[key] = multiPartSession{
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uploadID: uploadID,
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initiated: time.Now(),
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totalParts: 0,
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}
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memory.lock.Unlock()
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return uploadID, nil
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}
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func (memory *memoryDriver) AbortMultipartUpload(bucket, key, uploadID string) error {
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memory.lock.RLock()
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storedBucket := memory.storedBuckets[bucket]
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if storedBucket.multiPartSession[key].uploadID != uploadID {
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memory.lock.RUnlock()
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return iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
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}
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memory.lock.RUnlock()
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memory.cleanupMultiparts(bucket, key, uploadID)
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memory.cleanupMultipartSession(bucket, key, uploadID)
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return nil
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}
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func getMultipartKey(key string, uploadID string, partNumber int) string {
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return key + "?uploadId=" + uploadID + "&partNumber=" + strconv.Itoa(partNumber)
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}
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func (memory *memoryDriver) CreateObjectPart(bucket, key, uploadID string, partID int, contentType, expectedMD5Sum string, size int64, data io.Reader) (string, error) {
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// Verify upload id
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memory.lock.RLock()
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storedBucket := memory.storedBuckets[bucket]
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if storedBucket.multiPartSession[key].uploadID != uploadID {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
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}
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memory.lock.RUnlock()
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etag, err := memory.createObjectPart(bucket, key, uploadID, partID, "", expectedMD5Sum, size, data)
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if err != nil {
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return "", iodine.New(err, nil)
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}
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// once successful, update totalParts
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multiPartSession := storedBucket.multiPartSession[key]
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multiPartSession.totalParts++
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storedBucket.multiPartSession[key] = multiPartSession
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// free
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debug.FreeOSMemory()
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return etag, nil
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}
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// createObject - PUT object to memory buffer
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func (memory *memoryDriver) createObjectPart(bucket, key, uploadID string, partID int, contentType, expectedMD5Sum string, size int64, data io.Reader) (string, error) {
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memory.lock.RLock()
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if !drivers.IsValidBucket(bucket) {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
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}
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if !drivers.IsValidObjectName(key) {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
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}
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if _, ok := memory.storedBuckets[bucket]; ok == false {
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memory.lock.RUnlock()
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return "", iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
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}
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storedBucket := memory.storedBuckets[bucket]
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// get object key
|
||||
partKey := bucket + "/" + getMultipartKey(key, uploadID, partID)
|
||||
if _, ok := storedBucket.partMetadata[partKey]; ok == true {
|
||||
memory.lock.RUnlock()
|
||||
return storedBucket.partMetadata[partKey].ETag, nil
|
||||
}
|
||||
memory.lock.RUnlock()
|
||||
|
||||
if contentType == "" {
|
||||
contentType = "application/octet-stream"
|
||||
}
|
||||
contentType = strings.TrimSpace(contentType)
|
||||
if strings.TrimSpace(expectedMD5Sum) != "" {
|
||||
expectedMD5SumBytes, err := base64.StdEncoding.DecodeString(strings.TrimSpace(expectedMD5Sum))
|
||||
if err != nil {
|
||||
// pro-actively close the connection
|
||||
return "", iodine.New(drivers.InvalidDigest{Md5: expectedMD5Sum}, nil)
|
||||
}
|
||||
expectedMD5Sum = hex.EncodeToString(expectedMD5SumBytes)
|
||||
}
|
||||
|
||||
// calculate md5
|
||||
hash := md5.New()
|
||||
var readBytes []byte
|
||||
|
||||
var err error
|
||||
var length int
|
||||
for err == nil {
|
||||
byteBuffer := make([]byte, 1024*1024)
|
||||
length, err = data.Read(byteBuffer)
|
||||
// While hash.Write() wouldn't mind a Nil byteBuffer
|
||||
// It is necessary for us to verify this and break
|
||||
if length == 0 {
|
||||
break
|
||||
}
|
||||
hash.Write(byteBuffer[0:length])
|
||||
readBytes = append(readBytes, byteBuffer[0:length]...)
|
||||
}
|
||||
if err != io.EOF {
|
||||
return "", iodine.New(err, nil)
|
||||
}
|
||||
go debug.FreeOSMemory()
|
||||
md5SumBytes := hash.Sum(nil)
|
||||
totalLength := int64(len(readBytes))
|
||||
|
||||
memory.lock.Lock()
|
||||
memory.multiPartObjects.Set(partKey, readBytes)
|
||||
memory.lock.Unlock()
|
||||
// setting up for de-allocation
|
||||
readBytes = nil
|
||||
|
||||
md5Sum := hex.EncodeToString(md5SumBytes)
|
||||
// Verify if the written object is equal to what is expected, only if it is requested as such
|
||||
if strings.TrimSpace(expectedMD5Sum) != "" {
|
||||
if err := isMD5SumEqual(strings.TrimSpace(expectedMD5Sum), md5Sum); err != nil {
|
||||
return "", iodine.New(drivers.BadDigest{Md5: expectedMD5Sum, Bucket: bucket, Key: key}, nil)
|
||||
}
|
||||
}
|
||||
newPart := drivers.PartMetadata{
|
||||
PartNumber: partID,
|
||||
LastModified: time.Now().UTC(),
|
||||
ETag: md5Sum,
|
||||
Size: totalLength,
|
||||
}
|
||||
|
||||
memory.lock.Lock()
|
||||
memoryPart := make(map[string]drivers.PartMetadata)
|
||||
switch {
|
||||
case len(storedBucket.partMetadata) == 0:
|
||||
storedBucket.partMetadata = memoryPart
|
||||
storedBucket.partMetadata[partKey] = newPart
|
||||
default:
|
||||
storedBucket.partMetadata[partKey] = newPart
|
||||
}
|
||||
memory.storedBuckets[bucket] = storedBucket
|
||||
memory.lock.Unlock()
|
||||
|
||||
return md5Sum, nil
|
||||
}
|
||||
|
||||
func (memory *memoryDriver) cleanupMultipartSession(bucket, key, uploadID string) {
|
||||
memory.lock.Lock()
|
||||
defer memory.lock.Unlock()
|
||||
delete(memory.storedBuckets[bucket].multiPartSession, key)
|
||||
}
|
||||
|
||||
func (memory *memoryDriver) cleanupMultiparts(bucket, key, uploadID string) {
|
||||
memory.lock.Lock()
|
||||
defer memory.lock.Unlock()
|
||||
for i := 1; i <= memory.storedBuckets[bucket].multiPartSession[key].totalParts; i++ {
|
||||
objectKey := bucket + "/" + getMultipartKey(key, uploadID, i)
|
||||
memory.multiPartObjects.Delete(objectKey)
|
||||
}
|
||||
}
|
||||
|
||||
func (memory *memoryDriver) CompleteMultipartUpload(bucket, key, uploadID string, parts map[int]string) (string, error) {
|
||||
if !drivers.IsValidBucket(bucket) {
|
||||
return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
|
||||
}
|
||||
if !drivers.IsValidObjectName(key) {
|
||||
return "", iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
|
||||
}
|
||||
// Verify upload id
|
||||
memory.lock.RLock()
|
||||
if _, ok := memory.storedBuckets[bucket]; ok == false {
|
||||
memory.lock.RUnlock()
|
||||
return "", iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
|
||||
}
|
||||
storedBucket := memory.storedBuckets[bucket]
|
||||
if storedBucket.multiPartSession[key].uploadID != uploadID {
|
||||
memory.lock.RUnlock()
|
||||
return "", iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
|
||||
}
|
||||
memory.lock.RUnlock()
|
||||
|
||||
memory.lock.Lock()
|
||||
var size int64
|
||||
var fullObject bytes.Buffer
|
||||
for i := 1; i <= len(parts); i++ {
|
||||
recvMD5 := parts[i]
|
||||
object, ok := memory.multiPartObjects.Get(bucket + "/" + getMultipartKey(key, uploadID, i))
|
||||
if ok == false {
|
||||
memory.lock.Unlock()
|
||||
return "", iodine.New(errors.New("missing part: "+strconv.Itoa(i)), nil)
|
||||
}
|
||||
obj := object.([]byte)
|
||||
size += int64(len(obj))
|
||||
calcMD5Bytes := md5.Sum(obj)
|
||||
// complete multi part request header md5sum per part is hex encoded
|
||||
recvMD5Bytes, err := hex.DecodeString(strings.Trim(recvMD5, "\""))
|
||||
if err != nil {
|
||||
return "", iodine.New(drivers.InvalidDigest{Md5: recvMD5}, nil)
|
||||
}
|
||||
if !bytes.Equal(recvMD5Bytes, calcMD5Bytes[:]) {
|
||||
return "", iodine.New(drivers.BadDigest{Md5: recvMD5, Bucket: bucket, Key: getMultipartKey(key, uploadID, i)}, nil)
|
||||
}
|
||||
_, err = io.Copy(&fullObject, bytes.NewBuffer(obj))
|
||||
if err != nil {
|
||||
return "", iodine.New(err, nil)
|
||||
}
|
||||
}
|
||||
memory.lock.Unlock()
|
||||
|
||||
md5sumSlice := md5.Sum(fullObject.Bytes())
|
||||
md5sum := base64.StdEncoding.EncodeToString(md5sumSlice[:])
|
||||
etag, err := memory.CreateObject(bucket, key, "", md5sum, size, &fullObject)
|
||||
if err != nil {
|
||||
// No need to call internal cleanup functions here, caller will call AbortMultipartUpload()
|
||||
// which would in-turn cleanup properly in accordance with S3 Spec
|
||||
return "", iodine.New(err, nil)
|
||||
}
|
||||
memory.cleanupMultiparts(bucket, key, uploadID)
|
||||
memory.cleanupMultipartSession(bucket, key, uploadID)
|
||||
return etag, nil
|
||||
}
|
||||
|
||||
// byKey is a sortable interface for UploadMetadata slice
|
||||
type byKey []*drivers.UploadMetadata
|
||||
|
||||
func (a byKey) Len() int { return len(a) }
|
||||
func (a byKey) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
|
||||
func (a byKey) Less(i, j int) bool { return a[i].Key < a[j].Key }
|
||||
|
||||
func (memory *memoryDriver) ListMultipartUploads(bucket string, resources drivers.BucketMultipartResourcesMetadata) (drivers.BucketMultipartResourcesMetadata, error) {
|
||||
// TODO handle delimiter, prefix, uploadIDMarker
|
||||
memory.lock.RLock()
|
||||
defer memory.lock.RUnlock()
|
||||
if _, ok := memory.storedBuckets[bucket]; ok == false {
|
||||
return drivers.BucketMultipartResourcesMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
|
||||
}
|
||||
storedBucket := memory.storedBuckets[bucket]
|
||||
var uploads []*drivers.UploadMetadata
|
||||
|
||||
for key, session := range storedBucket.multiPartSession {
|
||||
if len(uploads) > resources.MaxUploads {
|
||||
sort.Sort(byKey(uploads))
|
||||
resources.Upload = uploads
|
||||
resources.NextKeyMarker = key
|
||||
resources.NextUploadIDMarker = session.uploadID
|
||||
resources.IsTruncated = true
|
||||
return resources, nil
|
||||
}
|
||||
if key > resources.KeyMarker {
|
||||
upload := new(drivers.UploadMetadata)
|
||||
upload.Key = key
|
||||
upload.UploadID = session.uploadID
|
||||
upload.Initiated = session.initiated
|
||||
uploads = append(uploads, upload)
|
||||
}
|
||||
}
|
||||
sort.Sort(byKey(uploads))
|
||||
resources.Upload = uploads
|
||||
return resources, nil
|
||||
}
|
||||
|
||||
// partNumber is a sortable interface for Part slice
|
||||
type partNumber []*drivers.PartMetadata
|
||||
|
||||
func (a partNumber) Len() int { return len(a) }
|
||||
func (a partNumber) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
|
||||
func (a partNumber) Less(i, j int) bool { return a[i].PartNumber < a[j].PartNumber }
|
||||
|
||||
func (memory *memoryDriver) ListObjectParts(bucket, key string, resources drivers.ObjectResourcesMetadata) (drivers.ObjectResourcesMetadata, error) {
|
||||
// Verify upload id
|
||||
memory.lock.RLock()
|
||||
defer memory.lock.RUnlock()
|
||||
if _, ok := memory.storedBuckets[bucket]; ok == false {
|
||||
return drivers.ObjectResourcesMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
|
||||
}
|
||||
storedBucket := memory.storedBuckets[bucket]
|
||||
if _, ok := storedBucket.multiPartSession[key]; ok == false {
|
||||
return drivers.ObjectResourcesMetadata{}, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: key}, nil)
|
||||
}
|
||||
if storedBucket.multiPartSession[key].uploadID != resources.UploadID {
|
||||
return drivers.ObjectResourcesMetadata{}, iodine.New(drivers.InvalidUploadID{UploadID: resources.UploadID}, nil)
|
||||
}
|
||||
objectResourcesMetadata := resources
|
||||
objectResourcesMetadata.Bucket = bucket
|
||||
objectResourcesMetadata.Key = key
|
||||
var parts []*drivers.PartMetadata
|
||||
var startPartNumber int
|
||||
switch {
|
||||
case objectResourcesMetadata.PartNumberMarker == 0:
|
||||
startPartNumber = 1
|
||||
default:
|
||||
startPartNumber = objectResourcesMetadata.PartNumberMarker
|
||||
}
|
||||
for i := startPartNumber; i <= storedBucket.multiPartSession[key].totalParts; i++ {
|
||||
if len(parts) > objectResourcesMetadata.MaxParts {
|
||||
sort.Sort(partNumber(parts))
|
||||
objectResourcesMetadata.IsTruncated = true
|
||||
objectResourcesMetadata.Part = parts
|
||||
objectResourcesMetadata.NextPartNumberMarker = i
|
||||
return objectResourcesMetadata, nil
|
||||
}
|
||||
part, ok := storedBucket.partMetadata[bucket+"/"+getMultipartKey(key, resources.UploadID, i)]
|
||||
if !ok {
|
||||
return drivers.ObjectResourcesMetadata{}, iodine.New(errors.New("missing part: "+strconv.Itoa(i)), nil)
|
||||
}
|
||||
parts = append(parts, &part)
|
||||
}
|
||||
sort.Sort(partNumber(parts))
|
||||
objectResourcesMetadata.Part = parts
|
||||
return objectResourcesMetadata, nil
|
||||
}
|
||||
|
||||
func (memory *memoryDriver) expiredPart(a ...interface{}) {
|
||||
cacheStats := memory.multiPartObjects.Stats()
|
||||
log.Printf("CurrentSize: %d, CurrentItems: %d, TotalExpirations: %d",
|
||||
cacheStats.Bytes, cacheStats.Items, cacheStats.Expired)
|
||||
key := a[0].(string)
|
||||
// loop through all buckets
|
||||
for _, storedBucket := range memory.storedBuckets {
|
||||
delete(storedBucket.partMetadata, key)
|
||||
}
|
||||
debug.FreeOSMemory()
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user