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package httpz
import (
"context"
"net"
"net/http"
"sync"
"time"
)
func RunServer(ctx context.Context, srv *http.Server, listener net.Listener, listenerGracePeriod, shutdownTimeout time.Duration) error {
var wg sync.WaitGroup
defer wg.Wait() // wait for goroutine to shutdown active connections
ctx, cancel := context.WithCancel(ctx)
defer cancel()
wg.Add(1)
go func() {
defer wg.Done()
<-ctx.Done()
time.Sleep(listenerGracePeriod)
shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), shutdownTimeout)
defer shutdownCancel()
if srv.Shutdown(shutdownCtx) != nil { // nolint: contextcheck
srv.Close() // nolint: errcheck,gas,gosec
// unhandled error above, but we are terminating anyway
}
}()
err := srv.Serve(listener)
if err != http.ErrServerClosed { // nolint:errorlint
// Failed to start or dirty shutdown
return err
}
// Clean shutdown
return nil
}
|
