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serve_target.go
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/
serve_target.go
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package mux
import (
"context"
"errors"
"net"
"net/http"
"google.golang.org/grpc"
)
type serveTarget interface {
Address() string
Serve(l net.Listener) error
Shutdown(ctx context.Context) error
}
type httpServeTarget struct {
*http.Server
}
func (h httpServeTarget) Address() string { return h.Addr }
func (h httpServeTarget) Serve(l net.Listener) error {
if err := h.Server.Serve(l); err != nil && !errors.Is(err, http.ErrServerClosed) {
return err
}
return nil
}
type gRPCServeTarget struct {
Addr string
*grpc.Server
}
func (g gRPCServeTarget) Address() string { return g.Addr }
func (g gRPCServeTarget) Shutdown(ctx context.Context) error {
signal := make(chan struct{})
go func() {
defer close(signal)
g.GracefulStop()
}()
select {
case <-ctx.Done():
g.Stop()
return errors.New("graceful stop failed")
case <-signal:
}
return nil
}