frostfs-node/pkg/util/http/calls.go

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package httputil
import (
"context"
"net/http"
"github.com/pkg/errors"
)
// Serve listens and serves internal HTTP server.
//
// Returns any error returned by internal server
// except http.ErrServerClosed.
//
// After Shutdown call, Serve has no effect and
// returned error is always nil.
func (x *Server) Serve() error {
err := x.srv.ListenAndServe()
// http.ErrServerClosed is returned on server shutdown
// so we ignore this error.
if err != nil && errors.Is(err, http.ErrServerClosed) {
err = nil
}
return err
}
// Shutdown gracefully shuts down internal HTTP server.
//
// Shutdown is called with context which expires after
// configured timeout.
//
// Once Shutdown has been called on a server, it may not be reused;
// future calls to Serve method will have no effect.
func (x *Server) Shutdown() error {
ctx, cancel := context.WithTimeout(context.Background(), x.shutdownTimeout)
err := x.srv.Shutdown(ctx)
cancel()
return err
}