mgmt, main: add strategy choice management and deprecate fib/set-strategy
refs: #1311
Change-Id: Icc88f201f3c13a5a25ec1bdadec35f93c76b2b94
diff --git a/daemon/mgmt/fib-manager.cpp b/daemon/mgmt/fib-manager.cpp
index 27707d7..8e27114 100644
--- a/daemon/mgmt/fib-manager.cpp
+++ b/daemon/mgmt/fib-manager.cpp
@@ -52,12 +52,6 @@
&FibManager::removeNextHop
),
- // Unsupported
- // VerbAndProcessor(
- // Name::Component("strategy"),
- // &FibManager::strategy
- // )
-
};
FibManager::FibManager(Fib& fib,
@@ -258,12 +252,6 @@
}
}
-void
-FibManager::strategy(const FibManagementOptions& options, ControlResponse& response)
-{
-
-}
-
// void
// FibManager::onConfig(ConfigFile::Node section, bool isDryRun)
// {
diff --git a/daemon/mgmt/fib-manager.hpp b/daemon/mgmt/fib-manager.hpp
index 79be094..c7b7793 100644
--- a/daemon/mgmt/fib-manager.hpp
+++ b/daemon/mgmt/fib-manager.hpp
@@ -51,10 +51,6 @@
removeNextHop(const FibManagementOptions& options,
ControlResponse& response);
- void
- strategy(const FibManagementOptions& options,
- ControlResponse& response);
-
bool
extractOptions(const Interest& request,
FibManagementOptions& extractedOptions);
diff --git a/daemon/mgmt/strategy-choice-manager.cpp b/daemon/mgmt/strategy-choice-manager.cpp
new file mode 100644
index 0000000..00761dd
--- /dev/null
+++ b/daemon/mgmt/strategy-choice-manager.cpp
@@ -0,0 +1,169 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "strategy-choice-manager.hpp"
+#include "table/strategy-choice.hpp"
+#include "mgmt/app-face.hpp"
+
+namespace nfd {
+
+NFD_LOG_INIT("StrategyChoiceManager");
+
+const Name StrategyChoiceManager::COMMAND_PREFIX = "/localhost/nfd/strategy-choice";
+
+const size_t StrategyChoiceManager::COMMAND_UNSIGNED_NCOMPS =
+ StrategyChoiceManager::COMMAND_PREFIX.size() +
+ 1 + // verb
+ 1; // verb options
+
+const size_t StrategyChoiceManager::COMMAND_SIGNED_NCOMPS =
+ StrategyChoiceManager::COMMAND_UNSIGNED_NCOMPS +
+ 0; // No signed Interest support in mock, otherwise 4 (timestamp, nonce, signed info tlv, signature tlv)
+
+StrategyChoiceManager::StrategyChoiceManager(StrategyChoice& strategyChoice,
+ shared_ptr<AppFace> face)
+ : ManagerBase(face)
+ , m_strategyChoice(strategyChoice)
+{
+ face->setInterestFilter("/localhost/nfd/strategy-choice",
+ bind(&StrategyChoiceManager::onStrategyChoiceRequest, this, _2));
+}
+
+StrategyChoiceManager::~StrategyChoiceManager()
+{
+
+}
+
+void
+StrategyChoiceManager::onStrategyChoiceRequest(const Interest& request)
+{
+ const Name& command = request.getName();
+ const size_t commandNComps = command.size();
+
+ if (COMMAND_UNSIGNED_NCOMPS <= commandNComps &&
+ commandNComps < COMMAND_SIGNED_NCOMPS)
+ {
+ NFD_LOG_INFO("command result: unsigned verb: " << command);
+ sendResponse(command, 401, "Signature required");
+
+ return;
+ }
+ else if (commandNComps < COMMAND_SIGNED_NCOMPS ||
+ !COMMAND_PREFIX.isPrefixOf(command))
+ {
+ NFD_LOG_INFO("command result: malformed");
+ sendResponse(command, 400, "Malformed command");
+ return;
+ }
+
+ onValidatedStrategyChoiceRequest(request.shared_from_this());
+}
+
+void
+StrategyChoiceManager::onValidatedStrategyChoiceRequest(const shared_ptr<const Interest>& request)
+{
+ static const Name::Component VERB_SET("set");
+ static const Name::Component VERB_UNSET("unset");
+
+ const Name& command = request->getName();
+
+ ndn::nfd::FibManagementOptions options;
+ if (!extractOptions(*request, options))
+ {
+ sendResponse(command, 400, "Malformed command");
+ return;
+ }
+
+ const Name::Component& verb = command.get(COMMAND_PREFIX.size());
+ ControlResponse response;
+ if (verb == VERB_SET)
+ {
+ setStrategy(options, response);
+ }
+ else if (verb == VERB_UNSET)
+ {
+ unsetStrategy(options, response);
+ }
+ else
+ {
+ NFD_LOG_INFO("command result: unsupported verb: " << verb);
+ setResponse(response, 501, "Unsupported command");
+ }
+ sendResponse(command, response);
+}
+
+bool
+StrategyChoiceManager::extractOptions(const Interest& request,
+ ndn::nfd::FibManagementOptions& extractedOptions)
+{
+ const Name& command = request.getName();
+ const size_t optionCompIndex =
+ COMMAND_PREFIX.size() + 1;
+
+ try
+ {
+ Block rawOptions = request.getName()[optionCompIndex].blockFromValue();
+ extractedOptions.wireDecode(rawOptions);
+ }
+ catch (const ndn::Tlv::Error& e)
+ {
+ NFD_LOG_INFO("Bad command option parse: " << command);
+ return false;
+ }
+
+ NFD_LOG_DEBUG("Options parsed OK");
+ return true;
+}
+
+void
+StrategyChoiceManager::setStrategy(const ndn::nfd::FibManagementOptions& options,
+ ControlResponse& response)
+{
+ const Name& prefix = options.getName();
+ const Name& selectedStrategy = options.getStrategy();
+
+ if (!m_strategyChoice.hasStrategy(selectedStrategy))
+ {
+ NFD_LOG_INFO("strategy-choice result: FAIL reason: unknown-strategy: "
+ << options.getStrategy());
+ setResponse(response, 504, "Unsupported strategy");
+ return;
+ }
+
+ if (m_strategyChoice.insert(prefix, selectedStrategy))
+ {
+ setResponse(response, 200, "Success", options.wireEncode());
+ }
+ else
+ {
+ setResponse(response, 405, "Strategy not installed");
+ }
+}
+
+void
+StrategyChoiceManager::unsetStrategy(const ndn::nfd::FibManagementOptions& options,
+ ControlResponse& response)
+{
+ static const Name ROOT_PREFIX;
+
+ const Name& prefix = options.getName();
+ if (prefix == ROOT_PREFIX)
+ {
+ NFD_LOG_INFO("strategy-choice result: FAIL reason: unknown-prefix: "
+ << options.getName());
+ setResponse(response, 403, "Cannot unset root prefix strategy");
+ return;
+ }
+
+ m_strategyChoice.erase(prefix);
+ setResponse(response, 200, "Success", options.wireEncode());
+}
+
+
+
+} // namespace nfd
+
+
diff --git a/daemon/mgmt/strategy-choice-manager.hpp b/daemon/mgmt/strategy-choice-manager.hpp
new file mode 100644
index 0000000..34046ac
--- /dev/null
+++ b/daemon/mgmt/strategy-choice-manager.hpp
@@ -0,0 +1,68 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NFD_MGMT_STRATEGY_CHOICE_MANAGER_HPP
+#define NFD_MGMT_STRATEGY_CHOICE_MANAGER_HPP
+
+#include "mgmt/manager-base.hpp"
+
+#include <ndn-cpp-dev/management/nfd-fib-management-options.hpp>
+
+namespace nfd {
+
+const std::string STRATEGY_CHOICE_PRIVILEGE = "strategy-choice";
+
+class StrategyChoice;
+
+class StrategyChoiceManager : public ManagerBase
+{
+public:
+ StrategyChoiceManager(StrategyChoice& strategyChoice,
+ shared_ptr<AppFace> face);
+
+ virtual
+ ~StrategyChoiceManager();
+
+ void
+ onStrategyChoiceRequest(const Interest& request);
+
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+ void
+ onValidatedStrategyChoiceRequest(const shared_ptr<const Interest>& request);
+
+ bool
+ extractOptions(const Interest& request,
+ ndn::nfd::FibManagementOptions& extractedOptions);
+
+
+
+ void
+ setStrategy(const ndn::nfd::FibManagementOptions& options,
+ ControlResponse& response);
+
+ void
+ unsetStrategy(const ndn::nfd::FibManagementOptions& options,
+ ControlResponse& response);
+private:
+
+ StrategyChoice& m_strategyChoice;
+
+ static const Name COMMAND_PREFIX; // /localhost/nfd/strategy-choice
+
+ // number of components in an invalid, but not malformed, unsigned command.
+ // (/localhost/nfd/strategy-choice + verb + options) = 5
+ static const size_t COMMAND_UNSIGNED_NCOMPS;
+
+ // number of components in a valid signed Interest.
+ // (see UNSIGNED_NCOMPS), 9 with signed Interest support.
+ static const size_t COMMAND_SIGNED_NCOMPS;
+
+};
+
+} // namespace nfd
+
+#endif // NFD_MGMT_STRATEGY_CHOICE_MANAGER_HPP
+