diff options
author | 2016-12-20 18:58:05 +0000 | |
---|---|---|
committer | 2016-12-20 18:58:05 +0000 | |
commit | c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe (patch) | |
tree | 89d801ac1484232179bcb7c144f67b5945221367 /middleware/errors/errors.go | |
parent | 451a0bd5294f6c8a6c9c725c75ac1a9cbc996a42 (diff) | |
download | coredns-c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe.tar.gz coredns-c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe.tar.zst coredns-c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe.zip |
Add middleware.NextOrFailure (#462)
This checks if the next middleware to be called is nil, and if so returns
ServerFailure and an error. This makes the next calling more robust and
saves some lines of code.
Also prefix the error with the name of the middleware to aid in
debugging.
Diffstat (limited to 'middleware/errors/errors.go')
-rw-r--r-- | middleware/errors/errors.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/middleware/errors/errors.go b/middleware/errors/errors.go index aca05b54a..deba2075d 100644 --- a/middleware/errors/errors.go +++ b/middleware/errors/errors.go @@ -27,7 +27,7 @@ type errorHandler struct { func (h errorHandler) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) { defer h.recovery(ctx, w, r) - rcode, err := h.Next.ServeDNS(ctx, w, r) + rcode, err := middleware.NextOrFailure(h.Name(), h.Next, ctx, w, r) if err != nil { state := request.Request{W: w, Req: r} |