finish basic fs commands, stub out file on server side

request.go

@@ -21,6 +21,8 @@ const (
 	MethodLink
 	MethodReadLink
 	MethodAccess
+	MethodOpen
+	MethodCreate
 )
 
 type Request struct {
@@ -28,12 +30,12 @@ type Request struct {
 	Method  Method `json:"method"`
 	Path    string `json:"path"`
 	Mode    uint32
-	UID     int32
-	GID     int32
-	Size    int32
+	UID     uint32
+	GID     uint32
+	Size    uint32
 	Dev     int32
-	Flags   int32
-	Offset  int64
+	Flags   uint32
+	Offset  uint64
 	NewPath string `json:"newpath,omitempty"`
 	Attr    string `json:"attr,omitempty"`
 	Data    []byte `json:"data,omitempty"`
@@ -45,12 +47,13 @@ type RequestCallback struct {
 }
 
 type Response struct {
-	ID      int             `json:"id"`
-	Code    fuse.Status     `json:"status"`
-	Data    []byte          `json:"data,omitempty"`
-	Stat    *fuse.Attr      `json:"stat,omitempty"`
-	Attrs   []string        `json:"attrs,omitempty"`
-	Dirents []fuse.DirEntry `json:"dirents,omitempty"`
-	LinkStr string          `json:"linkstr,omitempty"`
-	Statfs  *fuse.StatfsOut `json:"statfs,omitempty"`
+	ID         int             `json:"id"`
+	Code       fuse.Status     `json:"status"`
+	Data       []byte          `json:"data,omitempty"`
+	Stat       *fuse.Attr      `json:"stat,omitempty"`
+	Attrs      []string        `json:"attrs,omitempty"`
+	Dirents    []fuse.DirEntry `json:"dirents,omitempty"`
+	LinkStr    string          `json:"linkstr,omitempty"`
+	Statfs     *fuse.StatfsOut `json:"statfs,omitempty"`
+	FileHandle *int            `json:"filehandle,omitempty"`
 }