Adding upstream version 2.4.1.upstream/2.4.1upstream

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

1 files changed, 47 insertions, 0 deletions

diff --git a/src/lib/dhcp/pkt_template.h b/src/lib/dhcp/pkt_template.h
new file mode 100644
index 0000000..8f58bed
--- /dev/null
+++ b/src/lib/dhcp/pkt_template.h
@@ -0,0 +1,47 @@
+// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef ISC_PKT_TEMPLATE_H
+#define ISC_PKT_TEMPLATE_H
+
+#include <dhcp/pkt4.h>
+#include <dhcp/pkt6.h>
+#include <util/dhcp_space.h>
+
+namespace isc {
+
+namespace dhcp {
+
+/// @brief adapters for linking templates to qualified names
+/// @{
+namespace {
+
+template <isc::util::DhcpSpace D>
+struct AdapterPkt {};
+
+template <>
+struct AdapterPkt<isc::util::DHCPv4> {
+    using type = Pkt4;
+};
+
+template <>
+struct AdapterPkt<isc::util::DHCPv6> {
+    using type = Pkt6;
+};
+
+}  // namespace
+
+template <isc::util::DhcpSpace D>
+using PktT = typename AdapterPkt<D>::type;
+
+template <isc::util::DhcpSpace D>
+using PktTPtr = boost::shared_ptr<PktT<D>>;
+/// @}
+
+}  // namespace dhcp
+}  // namespace isc
+
+#endif  // ISC_PKT_TEMPLATE_H