/
fs_proto.go
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/
fs_proto.go
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// Copyright 2018 The Chubao Authors.
//
// 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 proto
import (
"fmt"
"os"
"strings"
"time"
)
const (
RootIno = uint64(1)
SummaryKey = "cbfs.dir.summary"
)
const (
FlagsSyncWrite int = 1 << iota
FlagsAppend
)
// Mode returns the fileMode.
func Mode(osMode os.FileMode) uint32 {
return uint32(osMode)
}
// OsMode returns os.FileMode.
func OsMode(mode uint32) os.FileMode {
return os.FileMode(mode)
}
// Returns os.FileMode masked by os.ModeType
func OsModeType(mode uint32) os.FileMode {
return os.FileMode(mode) & os.ModeType
}
// IsRegular checks if the mode is regular.
func IsRegular(mode uint32) bool {
return OsMode(mode).IsRegular()
}
// IsDir checks if the mode is dir.
func IsDir(mode uint32) bool {
return OsMode(mode).IsDir()
}
// IsSymlink checks if the mode is symlink.
func IsSymlink(mode uint32) bool {
return OsMode(mode)&os.ModeSymlink != 0
}
// InodeInfo defines the inode struct.
type InodeInfo struct {
Inode uint64 `json:"ino"`
Mode uint32 `json:"mode"`
Nlink uint32 `json:"nlink"`
Size uint64 `json:"sz"`
Uid uint32 `json:"uid"`
Gid uint32 `json:"gid"`
Generation uint64 `json:"gen"`
ModifyTime time.Time `json:"mt"`
CreateTime time.Time `json:"ct"`
AccessTime time.Time `json:"at"`
Target []byte `json:"tgt"`
expiration int64
}
type SummaryInfo struct {
Files int64 `json:"files"`
Subdirs int64 `json:"subdirs"`
Fbytes int64 `json:"fbytes"`
}
func (info *InodeInfo) Expiration() int64 {
return info.expiration
}
func (info *InodeInfo) SetExpiration(e int64) {
info.expiration = e
}
// String returns the string format of the inode.
func (info *InodeInfo) String() string {
return fmt.Sprintf("Inode(%v) Mode(%v) OsMode(%v) Nlink(%v) Size(%v) Uid(%v) Gid(%v) Gen(%v)", info.Inode, info.Mode, OsMode(info.Mode), info.Nlink, info.Size, info.Uid, info.Gid, info.Generation)
}
type XAttrInfo struct {
Inode uint64
XAttrs map[string]string
}
func (info XAttrInfo) Get(key string) []byte {
return []byte(info.XAttrs[key])
}
func (info XAttrInfo) VisitAll(visitor func(key string, value []byte) bool) {
for k, v := range info.XAttrs {
if visitor == nil || !visitor(k, []byte(v)) {
return
}
}
}
func (info XAttrInfo) String() string {
builder := strings.Builder{}
for k, v := range info.XAttrs {
if builder.Len() != 0 {
builder.WriteString(",")
}
builder.WriteString(fmt.Sprintf("%s:%s", k, v))
}
return fmt.Sprintf("XAttrInfo{Inode(%v), XAttrs(%v)}", info.Inode, builder.String())
}
// Dentry defines the dentry struct.
type Dentry struct {
Name string `json:"name"`
Inode uint64 `json:"ino"`
Type uint32 `json:"type"`
}
// String returns the string format of the dentry.
func (d Dentry) String() string {
return fmt.Sprintf("Dentry{Name(%v),Inode(%v),Type(%v)}", d.Name, d.Inode, d.Type)
}
// CreateInodeRequest defines the request to create an inode.
type CreateInodeRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Mode uint32 `json:"mode"`
Uid uint32 `json:"uid"`
Gid uint32 `json:"gid"`
Target []byte `json:"tgt"`
}
// CreateInodeResponse defines the response to the request of creating an inode.
type CreateInodeResponse struct {
Info *InodeInfo `json:"info"`
}
// LinkInodeRequest defines the request to link an inode.
type LinkInodeRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
// LinkInodeResponse defines the response to the request of linking an inode.
type LinkInodeResponse struct {
Info *InodeInfo `json:"info"`
}
// UnlinkInodeRequest defines the request to unlink an inode.
type UnlinkInodeRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
// UnlinkInodeRequest defines the request to unlink an inode.
type BatchUnlinkInodeRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inodes []uint64 `json:"inos"`
}
// UnlinkInodeResponse defines the response to the request of unlinking an inode.
type UnlinkInodeResponse struct {
Info *InodeInfo `json:"info"`
}
// batch UnlinkInodeResponse defines the response to the request of unlinking an inode.
type BatchUnlinkInodeResponse struct {
Items []*struct {
Info *InodeInfo `json:"info"`
Status uint8 `json:"status"`
} `json:"items"`
}
// EvictInodeRequest defines the request to evict an inode.
type EvictInodeRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
// EvictInodeRequest defines the request to evict some inode.
type BatchEvictInodeRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inodes []uint64 `json:"inos"`
}
// CreateDentryRequest defines the request to create a dentry.
type CreateDentryRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
Inode uint64 `json:"ino"`
Name string `json:"name"`
Mode uint32 `json:"mode"`
}
// UpdateDentryRequest defines the request to update a dentry.
type UpdateDentryRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
Name string `json:"name"`
Inode uint64 `json:"ino"` // new inode number
}
// UpdateDentryResponse defines the response to the request of updating a dentry.
type UpdateDentryResponse struct {
Inode uint64 `json:"ino"` // old inode number
}
// DeleteDentryRequest define the request tp delete a dentry.
type DeleteDentryRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
Name string `json:"name"`
}
type BatchDeleteDentryRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
Dens []Dentry `json:"dens"`
}
// DeleteDentryResponse defines the response to the request of deleting a dentry.
type DeleteDentryResponse struct {
Inode uint64 `json:"ino"`
}
// BatchDeleteDentryResponse defines the response to the request of deleting a dentry.
type BatchDeleteDentryResponse struct {
Items []*struct {
Inode uint64 `json:"ino"`
Status uint8 `json:"status"`
} `json:"items"`
}
// LookupRequest defines the request for lookup.
type LookupRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
Name string `json:"name"`
}
// LookupResponse defines the response for the loopup request.
type LookupResponse struct {
Inode uint64 `json:"ino"`
Mode uint32 `json:"mode"`
}
// InodeGetRequest defines the request to get the inode.
type InodeGetRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
// InodeGetResponse defines the response to the InodeGetRequest.
type InodeGetResponse struct {
Info *InodeInfo `json:"info"`
}
// BatchInodeGetRequest defines the request to get the inode in batch.
type BatchInodeGetRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inodes []uint64 `json:"inos"`
}
// BatchInodeGetResponse defines the response to the request of getting the inode in batch.
type BatchInodeGetResponse struct {
Infos []*InodeInfo `json:"infos"`
}
// ReadDirRequest defines the request to read dir.
type ReadDirRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
}
type ReadDirOnlyRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
}
// ReadDirResponse defines the response to the request of reading dir.
type ReadDirResponse struct {
Children []Dentry `json:"children"`
}
type ReadDirOnlyResponse struct {
Children []Dentry `json:"children"`
}
// ReadDirLimitRequest defines the request to read dir with limited dentries.
type ReadDirLimitRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
ParentID uint64 `json:"pino"`
Marker string `json:"marker"`
Limit uint64 `json:"limit"`
}
type ReadDirLimitResponse struct {
Children []Dentry `json:"children"`
}
// AppendExtentKeyRequest defines the request to append an extent key.
type AppendExtentKeyRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Extent ExtentKey `json:"ek"`
}
type AppendExtentKeyWithCheckRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Extent ExtentKey `json:"ek"`
DiscardExtents []ExtentKey `json:"dek"`
}
// GetExtentsRequest defines the reques to get extents.
type GetExtentsRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
// GetExtentsResponse defines the response to the request of getting extents.
type GetExtentsResponse struct {
Generation uint64 `json:"gen"`
Size uint64 `json:"sz"`
Extents []ExtentKey `json:"eks"`
}
// TruncateRequest defines the request to truncate.
type TruncateRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Size uint64 `json:"sz"`
}
// SetAttrRequest defines the request to set attribute.
type SetAttrRequest struct {
VolName string `json:"vol"`
PartitionID uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Mode uint32 `json:"mode"`
Uid uint32 `json:"uid"`
Gid uint32 `json:"gid"`
ModifyTime int64 `json:"mt"`
AccessTime int64 `json:"at"`
Valid uint32 `json:"valid"`
}
const (
AttrMode uint32 = 1 << iota
AttrUid
AttrGid
AttrModifyTime
AttrAccessTime
)
// DeleteInodeRequest defines the request to delete an inode.
type DeleteInodeRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
// DeleteInodeRequest defines the request to delete an inode.
type DeleteInodeBatchRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inodes []uint64 `json:"ino"`
}
// AppendExtentKeysRequest defines the request to append an extent key.
type AppendExtentKeysRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Extents []ExtentKey `json:"eks"`
}
type SetXAttrRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Key string `json:"key"`
Value string `json:"val"`
}
type GetXAttrRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Key string `json:"key"`
}
type GetXAttrResponse struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Key string `json:"key"`
Value string `json:"val"`
}
type RemoveXAttrRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Key string `json:"key"`
}
type ListXAttrRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
}
type ListXAttrResponse struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
XAttrs []string `json:"xattrs"`
}
type BatchGetXAttrRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inodes []uint64 `json:"inos"`
Keys []string `json:"keys"`
}
type BatchGetXAttrResponse struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
XAttrs []*XAttrInfo
}
type MultipartInfo struct {
ID string `json:"id"`
Path string `json:"path"`
InitTime time.Time `json:"itime"`
Parts []*MultipartPartInfo `json:"parts"`
Extend map[string]string `json:"extend"`
}
type MultipartPartInfo struct {
ID uint16 `json:"id"`
Inode uint64 `json:"ino"`
MD5 string `json:"md5"`
Size uint64 `json:"sz"`
UploadTime time.Time `json:"ut"`
}
type CreateMultipartRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Path string `json:"path"`
Extend map[string]string `json:"extend"`
}
type CreateMultipartResponse struct {
Info *MultipartInfo `json:"info"`
}
type GetMultipartRequest struct {
VolName string `json:"vol"`
Path string `json:"path"`
PartitionId uint64 `json:"pid"`
MultipartId string `json:"mid"`
}
type GetMultipartResponse struct {
Info *MultipartInfo `json:"info"`
}
type AddMultipartPartRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Path string `json:"path"`
MultipartId string `json:"mid"`
Part *MultipartPartInfo `json:"part"`
}
type RemoveMultipartRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Path string `json:"path"`
MultipartId string `json:"mid"`
}
type ListMultipartRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Marker string `json:"mk"`
MultipartIdMarker string `json:"mmk"`
Max uint64 `json:"max"`
Delimiter string `json:"dm"`
Prefix string `json:"pf"`
}
type ListMultipartResponse struct {
Multiparts []*MultipartInfo `json:"mps"`
}
type UpdateSummaryInfoRequest struct {
VolName string `json:"vol"`
PartitionId uint64 `json:"pid"`
Inode uint64 `json:"ino"`
Key string `json:"key"`
FileInc int64 `json:"fileinc"`
DirInc int64 `json:"dirinc"`
ByteInc int64 `json:"byteinc"`
}