fw: Forwarder processes Link for mobility
This commit also adds NetworkRegionTable to store producer region names,
and checks packets are well-formed before entering forwarding pipelines.
refs #3034, #3155
Change-Id: I8de4c482e8a289b922be70139675bc4661f9a301
diff --git a/daemon/table/network-region-table.cpp b/daemon/table/network-region-table.cpp
new file mode 100644
index 0000000..df6ca58
--- /dev/null
+++ b/daemon/table/network-region-table.cpp
@@ -0,0 +1,44 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "network-region-table.hpp"
+#include <boost/range/adaptor/map.hpp>
+
+namespace nfd {
+
+bool
+NetworkRegionTable::isInProducerRegion(const Link& link) const
+{
+ for (const Name& regionName : *this) {
+ for (const Name& delegationName : boost::adaptors::values(link.getDelegations())) {
+ if (delegationName.isPrefixOf(regionName)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+} // namespace nfd
diff --git a/daemon/table/network-region-table.hpp b/daemon/table/network-region-table.hpp
new file mode 100644
index 0000000..499c356
--- /dev/null
+++ b/daemon/table/network-region-table.hpp
@@ -0,0 +1,55 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_DAEMON_TABLE_NETWORK_REGION_TABLE_HPP
+#define NFD_DAEMON_TABLE_NETWORK_REGION_TABLE_HPP
+
+#include "common.hpp"
+
+namespace nfd {
+
+/** \brief stores a collection of producer region names
+ *
+ * This table is used in forwarding to process Interests with Link objects.
+ */
+class NetworkRegionTable : public std::set<Name>
+{
+public:
+ /** \brief determines whether an Interest has reached a producer region
+ * \param link the Link object on an Interest
+ * \retval true the Interest has reached a producer region
+ * \retval false the Interest has not reached a producer region
+ *
+ * If any delegation names in the Link object is a prefix of any region name,
+ * the Interest has reached the producer region and should be forwarded according to its Name;
+ * otherwise, the Interest should be forwarded according to the delegations.
+ */
+ bool
+ isInProducerRegion(const Link& link) const;
+};
+
+} // namespace nfd
+
+#endif // NFD_DAEMON_TABLE_NETWORK_REGION_TABLE_HPP