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set up requests from server side

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This commit is contained in:
Barak Michener 2018-03-31 15:43:38 -07:00
parent a4f53875bc
commit 4015bc3896
3 changed files with 143 additions and 30 deletions
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12
filesystem.go
View file

@ -240,7 +240,7 @@ func (fs *WsFs) Truncate(name string, offset uint64, context *fuse.Context) (cod
r := Request{
Method: MethodChown,
Path: name,
Offset: offset,
Offset: int64(offset),
}
resp, ok := fs.getResponse(&r)
if !ok {
@ -275,7 +275,10 @@ func (fs *WsFs) Open(name string, flags uint32, context *fuse.Context) (file nod
if !ok {
return nil, fuse.ENOSYS
}
return newWsFsFile(*resp.FileHandle, fs), resp.Code
if resp.Code != fuse.OK {
return nil, resp.Code
}
return newWsFsFile(resp.FileHandle, fs), resp.Code
}
func (fs *WsFs) Create(name string, flags uint32, mode uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) {
@ -288,5 +291,8 @@ func (fs *WsFs) Create(name string, flags uint32, mode uint32, context *fuse.Con
if !ok {
return nil, fuse.ENOSYS
}
return newWsFsFile(*resp.FileHandle, fs), resp.Code
if resp.Code != fuse.OK {
return nil, resp.Code
}
return newWsFsFile(resp.FileHandle, fs), resp.Code
}

120
fs_file.go
View file

@ -1,6 +1,7 @@
package kubelwagen
import (
"fmt"
"time"
"github.com/hanwen/go-fuse/fuse"
@ -21,32 +22,87 @@ func newWsFsFile(handle int, fs *WsFs) *WsFsFile {
}
}
func (f *WsFsFile) String() string {
return "WsFsFile"
return fmt.Sprintf("WsFsFile:%d", f.h)
}
func (f *WsFsFile) Read(buf []byte, off int64) (fuse.ReadResult, fuse.Status) {
return nil, fuse.ENOSYS
r := Request{
Method: MethodFileRead,
FileHandle: f.h,
Offset: off,
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return nil, fuse.ENOSYS
}
return fuse.ReadResultData(resp.Data), resp.Code
}
func (f *WsFsFile) Write(data []byte, off int64) (uint32, fuse.Status) {
return 0, fuse.ENOSYS
r := Request{
Method: MethodFileWrite,
FileHandle: f.h,
Offset: off,
Data: data,
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return 0, fuse.ENOSYS
}
return uint32(resp.WriteSize), resp.Code
}
func (f *WsFsFile) Flock(flags int) fuse.Status {
r := Request{
Method: MethodFileFlock,
FileHandle: f.h,
Flags: uint32(flags),
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
return resp.Code
}
func (f *WsFsFile) Flock(flags int) fuse.Status { return fuse.ENOSYS }
func (f *WsFsFile) Flush() fuse.Status {
return fuse.OK
return f.Fsync(0)
}
func (f *WsFsFile) Release() {
r := Request{
Method: MethodFileRelease,
FileHandle: f.h,
}
f.fs.getResponse(&r)
}
func (f *WsFsFile) GetAttr(*fuse.Attr) fuse.Status {
return fuse.ENOSYS
func (f *WsFsFile) GetAttr(attr *fuse.Attr) fuse.Status {
r := Request{
Method: MethodFileGetAttr,
FileHandle: f.h,
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
if resp.Stat != nil {
*attr = *resp.Stat
}
return resp.Code
}
func (f *WsFsFile) Fsync(flags int) (code fuse.Status) {
return fuse.ENOSYS
r := Request{
Method: MethodFileFsync,
FileHandle: f.h,
Flags: uint32(flags),
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
return resp.Code
}
func (f *WsFsFile) Utimens(atime *time.Time, mtime *time.Time) fuse.Status {
@ -54,17 +110,55 @@ func (f *WsFsFile) Utimens(atime *time.Time, mtime *time.Time) fuse.Status {
}
func (f *WsFsFile) Truncate(size uint64) fuse.Status {
return fuse.ENOSYS
r := Request{
Method: MethodFileTruncate,
FileHandle: f.h,
Size: uint32(size),
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
return resp.Code
}
func (f *WsFsFile) Chown(uid uint32, gid uint32) fuse.Status {
return fuse.ENOSYS
r := Request{
Method: MethodFileChown,
FileHandle: f.h,
UID: uid,
GID: gid,
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
return resp.Code
}
func (f *WsFsFile) Chmod(perms uint32) fuse.Status {
return fuse.ENOSYS
r := Request{
Method: MethodFileChmod,
FileHandle: f.h,
Flags: perms,
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
return resp.Code
}
func (f *WsFsFile) Allocate(off uint64, size uint64, mode uint32) (code fuse.Status) {
return fuse.ENOSYS
r := Request{
Method: MethodFileAllocate,
FileHandle: f.h,
Mode: mode,
Size: uint32(size),
}
resp, ok := f.fs.getResponse(&r)
if !ok {
return fuse.ENOSYS
}
return resp.Code
}

41
request.go
View file

@ -23,22 +23,34 @@ const (
MethodAccess
MethodOpen
MethodCreate
MethodFileRead
MethodFileWrite
MethodFileFlock
MethodFileRelease
MethodFileGetAttr
MethodFileFsync
MethodFileTruncate
MethodFileChown
MethodFileChmod
MethodFileAllocate
)
type Request struct {
ID int `json:"id"`
Method Method `json:"method"`
Path string `json:"path"`
Mode uint32
UID uint32
GID uint32
Size uint32
Dev int32
Flags uint32
Offset uint64
NewPath string `json:"newpath,omitempty"`
Attr string `json:"attr,omitempty"`
Data []byte `json:"data,omitempty"`
ID int `json:"id"`
Method Method `json:"method"`
Path string `json:"path"`
Mode uint32
UID uint32
GID uint32
Size uint32
Dev int32
Flags uint32
Offset int64
NewPath string `json:"newpath,omitempty"`
Attr string `json:"attr,omitempty"`
Data []byte `json:"data,omitempty"`
FileHandle int `json:"handle,omitempty"`
}
type RequestCallback struct {
@ -55,5 +67,6 @@ type Response struct {
Dirents []fuse.DirEntry `json:"dirents,omitempty"`
LinkStr string `json:"linkstr,omitempty"`
Statfs *fuse.StatfsOut `json:"statfs,omitempty"`
FileHandle *int `json:"filehandle,omitempty"`
FileHandle int `json:"filehandle,omitempty"`
WriteSize int `json:"wsize,omitempty"`
}