package grpchijack import ( "net" controlapi "github.com/moby/buildkit/api/services/control" "google.golang.org/grpc/metadata" ) func Hijack(stream controlapi.Control_SessionServer) (net.Conn, <-chan struct{}, map[string][]string) { md, _ := metadata.FromIncomingContext(stream.Context()) c, closeCh := streamToConn(stream) return c, closeCh, md }