Adding upstream version 1.8.3.upstream/1.8.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/dnsdist-protocols.hh b/dnsdist-protocols.hh
new file mode 100644
index 0000000..bd2a4bb
--- /dev/null
+++ b/dnsdist-protocols.hh
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#include <array>
+#include <cstdint>
+#include <string>
+
+namespace dnsdist
+{
+class Protocol
+{
+public:
+  enum typeenum : uint8_t
+  {
+    DoUDP = 0,
+    DoTCP,
+    DNSCryptUDP,
+    DNSCryptTCP,
+    DoT,
+    DoH
+  };
+
+  Protocol(typeenum protocol = DoUDP) :
+    d_protocol(protocol)
+  {
+    if (protocol >= s_names.size()) {
+      throw std::runtime_error("Unknown protocol: '" + std::to_string(protocol) + "'");
+    }
+  }
+
+  explicit Protocol(const std::string& protocol);
+
+  bool operator==(typeenum) const;
+  bool operator!=(typeenum) const;
+
+  const std::string& toString() const;
+  const std::string& toPrettyString() const;
+  bool isUDP() const;
+  uint8_t toNumber() const;
+
+private:
+  typeenum d_protocol;
+
+  static constexpr size_t s_numberOfProtocols = 6;
+  static const std::array<std::string, s_numberOfProtocols> s_names;
+  static const std::array<std::string, s_numberOfProtocols> s_prettyNames;
+};
+}