func (w *testWriter) Close() error {
p := w.p
desc := p.desc
desc.Lock()
desc.print(fmt.Sprintf("testDesc: closing writer, num=%d type=%s", p.num, p.t))
p.opened = false
desc.Unlock()
return nil
}
func (p *testFilePtr) Remove() error {
desc := p.desc
desc.Lock()
defer desc.Unlock()
desc.print(fmt.Sprintf("testDesc: removing file, num=%d type=%s", p.num, p.t))
if f, exist := desc.files[p.id()]; exist {
if f.opened {
return errFileOpen
}
f.buf.Reset()
delete(desc.files, p.id())
}
return nil
}
func (p *testFilePtr) Open() (r desc.Reader, err error) {
desc := p.desc
desc.Lock()
defer desc.Unlock()
desc.print(fmt.Sprintf("testDesc: open file, num=%d type=%s", p.num, p.t))
f, exist := desc.files[p.id()]
if !exist {
return nil, os.ErrNotExist
}
if f.opened {
return nil, errFileOpen
}
f.opened = true
r = &testReader{f, bytes.NewReader(f.buf.Bytes())}
return
}
func (p *testFilePtr) Create() (w desc.Writer, err error) {
desc := p.desc
desc.Lock()
defer desc.Unlock()
desc.print(fmt.Sprintf("testDesc: create file, num=%d type=%s", p.num, p.t))
f, exist := desc.files[p.id()]
if exist {
if f.opened {
return nil, errFileOpen
}
} else {
f = &testFile{desc: desc, num: p.num, t: p.t}
desc.files[p.id()] = f
}
f.opened = true
f.buf.Reset()
return &testWriter{f}, nil
}
func (p *testFilePtr) Rename(num uint64, t desc.FileType) error {
desc := p.desc
desc.Lock()
defer desc.Unlock()
desc.print(fmt.Sprintf("testDesc: rename file, from num=%d type=%s, to num=%d type=%d", p.num, p.t, num, t))
oid := p.id()
p.num = num
p.t = t
if f, exist := desc.files[oid]; exist {
if f.opened {
return errFileOpen
}
delete(desc.files, oid)
f.num = num
f.t = t
desc.files[p.id()] = f
}
return nil
}
