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routes.go
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/
routes.go
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package internal
import (
"encoding/binary"
"errors"
"io"
"io/ioutil"
"time"
)
// Route is the value part of a shortcut.
type Route struct {
URL string `json:"url"`
Time time.Time `json:"time"`
}
// RouteIterator allows iteration of the named routes in the store.
type RouteIterator interface {
Valid() bool
Next() bool
Seek(string) bool
Error() error
Name() string
Route() *Route
Release()
}
var ErrRouteNotFound = errors.New("route not found")
// Serialize this Route into the given Writer.
func (o *Route) Write(w io.Writer) error {
if err := binary.Write(w, binary.LittleEndian, o.Time.UnixNano()); err != nil {
return err
}
if _, err := w.Write([]byte(o.URL)); err != nil {
return err
}
return nil
}
// Deserialize this Route from the given Reader.
func (o *Route) Read(r io.Reader) error {
var t int64
if err := binary.Read(r, binary.LittleEndian, &t); err != nil {
return err
}
b, err := ioutil.ReadAll(r)
if err != nil {
return err
}
o.URL = string(b)
o.Time = time.Unix(0, t)
return nil
}