1 package p9pnew
2 
3 import (
4 	"errors"
5 	"fmt"
6 )
7 
8 // common errors returned by Session interface methods
9 var (
10 	ErrClosed = errors.New("closed")
11 )
12 
13 // 9p wire errors returned by Session interface methods
14 var (
15 	ErrBadattach    = new9pError("unknown specifier in attach")
16 	ErrBadoffset    = new9pError("bad offset")
17 	ErrBadcount     = new9pError("bad count")
18 	ErrBotch        = new9pError("9P protocol botch")
19 	ErrCreatenondir = new9pError("create in non-directory")
20 	ErrDupfid       = new9pError("duplicate fid")
21 	ErrDuptag       = new9pError("duplicate tag")
22 	ErrIsdir        = new9pError("is a directory")
23 	ErrNocreate     = new9pError("create prohibited")
24 	ErrNomem        = new9pError("out of memory")
25 	ErrNoremove     = new9pError("remove prohibited")
26 	ErrNostat       = new9pError("stat prohibited")
27 	ErrNotfound     = new9pError("file not found")
28 	ErrNowrite      = new9pError("write prohibited")
29 	ErrNowstat      = new9pError("wstat prohibited")
30 	ErrPerm         = new9pError("permission denied")
31 	ErrUnknownfid   = new9pError("unknown fid")
32 	ErrBaddir       = new9pError("bad directory in wstat")
33 	ErrWalknodir    = new9pError("walk in non-directory")
34 
35 	// extra errors not part of the normal protocol
36 	ErrTimeout = new9pError("fcall timeout") // returned when timing out on the fcall
37 )
38 
39 type error9p struct {
40 	Name string
41 }
42 
43 func new9pError(s string) error {
44 	return error9p{Name: s}
45 }
46 
47 func (e error9p) Error() string {
48 	return fmt.Sprintf("9p: %v", e.Name)
49 }