// SCHEME://123.3.45.0:3456/2345/R1122334455667788
func ParseAddr(s string) (*Addr, error) {
u, err := url.Parse(s)
if err != nil {
return nil, err
}
if u.Scheme != n.Scheme {
return nil, errors.NewError("worker address URL scheme mismatch")
}
// Net address
naddr, err := ParseNetAddr(u.Host)
if err != nil {
return nil, err
}
// Parse path
parts := strings.Split(u.Path, "/")
if len(parts) != 3 {
return nil, errors.NewError(fmt.Sprintf("parse path: %#v", parts))
}
if parts[0] != "" {
return nil, errors.NewError("must start with slash")
}
// PID
pid, err := strconv.Atoi(parts[1])
if err != nil {
return nil, err
}
// Worker ID
id, err := n.ParseWorkerID(parts[2])
if err != nil {
return nil, err
}
return &Addr{ID: id, PID: pid, TCP: naddr.(*net.TCPAddr)}, nil
}
// SanitizeDir ensures that anchor is a valid directory path in the fs
// and returns its parts and a normalized absolute path string.
func SanitizeDir(anchor string) (parts []string, full string, err error) {
anchor = path.Clean(anchor)
if len(anchor) == 0 || anchor[0] != '/' {
return nil, "", ErrName
}
parts = strings.Split(anchor[1:], "/")
for _, part := range parts {
if _, err = n.ParseWorkerID(part); err == nil {
// Directory name elements cannot look like worker IDs
return nil, "", ErrName
}
}
return parts, "/" + path.Join(parts...), nil
}