tests(dnsdist): Add a benchmark for dnsparser

diff --git a/pdns/dnsdistdist/bench-dnsdist-dnsparser_cc.cc b/pdns/dnsdistdist/bench-dnsdist-dnsparser_cc.cc
new file mode 100644 (file)
index 0000000..f31dd33
--- /dev/null
+++ b/pdns/dnsdistdist/bench-dnsdist-dnsparser_cc.cc
@@ -0,0 +1,42 @@
+/*
+ * This file is part of PowerDNS or dnsdist.
+ * Copyright -- PowerDNS.COM B.V. and its contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * In addition, for the avoidance of any doubt, permission is granted to
+ * link this program with OpenSSL and to (re)distribute the binaries
+ * produced as the result of such linking.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#define CATCH_CONFIG_NO_MAIN
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/benchmark/catch_benchmark.hpp>
+
+#include "dnsdist-dnsparser.hh"
+
+TEST_CASE("dnsdist-dnsparser") {
+  const DNSName target("powerdns.com.");
+  const DNSName newTarget("dnsdist.org.");
+  const DNSName notTheTarget("not-powerdns.com.");
+
+  PacketBuffer query;
+  GenericDNSPacketWriter<PacketBuffer> pw(query, target, QType::A, QClass::IN, 0);
+  pw.getHeader()->rd = 1;
+  pw.getHeader()->id = htons(42);
+  pw.commit();
+
+  BENCHMARK("changeNameInDNSPacket") {
+    dnsdist::changeNameInDNSPacket(query, target, newTarget);
+  };
+}

diff --git a/pdns/dnsdistdist/meson.build b/pdns/dnsdistdist/meson.build
index af0182b83c0f6610034a8d32111aa44ed5de832a..1819746eb7df7992fbafd2143d8dea5bd03090fa 100644 (file)
--- a/pdns/dnsdistdist/meson.build
+++ b/pdns/dnsdistdist/meson.build
@@ -596,7 +596,8 @@ endif
 
 benchmark_sources = []
 benchmark_sources += files(
-  src_dir / 'bench-dnsdist-opentelemetry_cc.cc'
+  src_dir / 'bench-dnsdist-dnsparser_cc.cc',
+  src_dir / 'bench-dnsdist-opentelemetry_cc.cc',
 )
 
 if get_option('benchmark')