mirror of https://github.com/ginuerzh/gost
ginuerzh
6 years ago
6 changed files with 13 additions and 72 deletions
@ -1,65 +0,0 @@ |
|||
package gost |
|||
|
|||
import ( |
|||
"io" |
|||
"os" |
|||
"time" |
|||
|
|||
"github.com/go-gost/log" |
|||
) |
|||
|
|||
// Reloader is the interface for objects that support live reloading.
|
|||
type Reloader interface { |
|||
Reload(r io.Reader) error |
|||
Period() time.Duration |
|||
} |
|||
|
|||
// Stoppable is the interface that indicates a Reloader can be stopped.
|
|||
type Stoppable interface { |
|||
Stop() |
|||
Stopped() bool |
|||
} |
|||
|
|||
// PeriodReload reloads the config configFile periodically according to the period of the Reloader r.
|
|||
func PeriodReload(r Reloader, configFile string) error { |
|||
if r == nil || configFile == "" { |
|||
return nil |
|||
} |
|||
|
|||
var lastMod time.Time |
|||
for { |
|||
if r.Period() < 0 { |
|||
log.Log("[reload] stopped:", configFile) |
|||
return nil |
|||
} |
|||
|
|||
f, err := os.Open(configFile) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
mt := lastMod |
|||
if finfo, err := f.Stat(); err == nil { |
|||
mt = finfo.ModTime() |
|||
} |
|||
|
|||
if !lastMod.IsZero() && !mt.Equal(lastMod) { |
|||
log.Log("[reload]", configFile) |
|||
if err := r.Reload(f); err != nil { |
|||
log.Logf("[reload] %s: %s", configFile, err) |
|||
} |
|||
} |
|||
f.Close() |
|||
lastMod = mt |
|||
|
|||
period := r.Period() |
|||
if period == 0 { |
|||
log.Log("[reload] disabled:", configFile) |
|||
return nil |
|||
} |
|||
if period < time.Second { |
|||
period = time.Second |
|||
} |
|||
<-time.After(period) |
|||
} |
|||
} |
|||
Loading…
Reference in new issue