mgmt: move management/nfd-* to mgmt/nfd/
refs #3760
Change-Id: Ib4bde3412b5c39b9f4f46113199cebe78704505e
diff --git a/src/mgmt/nfd/controller.cpp b/src/mgmt/nfd/controller.cpp
new file mode 100644
index 0000000..cfb7956
--- /dev/null
+++ b/src/mgmt/nfd/controller.cpp
@@ -0,0 +1,171 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "controller.hpp"
+#include "../../face.hpp"
+#include "../../security/key-chain.hpp"
+#include "../../util/segment-fetcher.hpp"
+
+namespace ndn {
+namespace nfd {
+
+using ndn::util::SegmentFetcher;
+
+const uint32_t Controller::ERROR_TIMEOUT = 10060; // WinSock ESAETIMEDOUT
+const uint32_t Controller::ERROR_NACK = 10800; // 10000 + TLV-TYPE of Nack header
+const uint32_t Controller::ERROR_VALIDATION = 10021; // 10000 + TLS1_ALERT_DECRYPTION_FAILED
+const uint32_t Controller::ERROR_SERVER = 500;
+const uint32_t Controller::ERROR_LBOUND = 400;
+ValidatorNull Controller::s_validatorNull;
+
+Controller::Controller(Face& face, KeyChain& keyChain, Validator& validator)
+ : m_face(face)
+ , m_keyChain(keyChain)
+ , m_validator(validator)
+{
+}
+
+void
+Controller::startCommand(const shared_ptr<ControlCommand>& command,
+ const ControlParameters& parameters,
+ const CommandSucceedCallback& onSuccess1,
+ const CommandFailCallback& onFailure1,
+ const CommandOptions& options)
+{
+ const CommandSucceedCallback& onSuccess = onSuccess1 ?
+ onSuccess1 : [] (const ControlParameters&) {};
+ const CommandFailCallback& onFailure = onFailure1 ?
+ onFailure1 : [] (const ControlResponse&) {};
+
+ Name requestName = command->getRequestName(options.getPrefix(), parameters);
+ Interest interest(requestName);
+ interest.setInterestLifetime(options.getTimeout());
+ m_keyChain.sign(interest, options.getSigningInfo());
+
+ m_face.expressInterest(interest,
+ [=] (const Interest&, const Data& data) {
+ this->processCommandResponse(data, command, onSuccess, onFailure);
+ },
+ [=] (const Interest&, const lp::Nack&) {
+ onFailure(ControlResponse(Controller::ERROR_NACK, "network Nack received"));
+ },
+ [=] (const Interest&) {
+ onFailure(ControlResponse(Controller::ERROR_TIMEOUT, "request timed out"));
+ });
+}
+
+void
+Controller::processCommandResponse(const Data& data,
+ const shared_ptr<ControlCommand>& command,
+ const CommandSucceedCallback& onSuccess,
+ const CommandFailCallback& onFailure)
+{
+ m_validator.validate(data,
+ [=] (const shared_ptr<const Data>& data) {
+ this->processValidatedCommandResponse(*data, command, onSuccess, onFailure);
+ },
+ [=] (const shared_ptr<const Data>&, const std::string& msg) {
+ onFailure(ControlResponse(ERROR_VALIDATION, msg));
+ }
+ );
+}
+
+void
+Controller::processValidatedCommandResponse(const Data& data,
+ const shared_ptr<ControlCommand>& command,
+ const CommandSucceedCallback& onSuccess,
+ const CommandFailCallback& onFailure)
+{
+ ControlResponse response;
+ try {
+ response.wireDecode(data.getContent().blockFromValue());
+ }
+ catch (const tlv::Error& e) {
+ onFailure(ControlResponse(ERROR_SERVER, e.what()));
+ return;
+ }
+
+ uint32_t code = response.getCode();
+ if (code >= ERROR_LBOUND) {
+ onFailure(response);
+ return;
+ }
+
+ ControlParameters parameters;
+ try {
+ parameters.wireDecode(response.getBody());
+ }
+ catch (const tlv::Error& e) {
+ onFailure(ControlResponse(ERROR_SERVER, e.what()));
+ return;
+ }
+
+ try {
+ command->validateResponse(parameters);
+ }
+ catch (const ControlCommand::ArgumentError& e) {
+ onFailure(ControlResponse(ERROR_SERVER, e.what()));
+ return;
+ }
+
+ onSuccess(parameters);
+}
+
+void
+Controller::fetchDataset(const Name& prefix,
+ const std::function<void(const ConstBufferPtr&)>& processResponse,
+ const DatasetFailCallback& onFailure,
+ const CommandOptions& options)
+{
+ Interest baseInterest(prefix);
+ baseInterest.setInterestLifetime(options.getTimeout());
+
+ SegmentFetcher::fetch(m_face, baseInterest, m_validator, processResponse,
+ bind(&Controller::processDatasetFetchError, this, onFailure, _1, _2));
+}
+
+void
+Controller::processDatasetFetchError(const DatasetFailCallback& onFailure,
+ uint32_t code, std::string msg)
+{
+ switch (static_cast<SegmentFetcher::ErrorCode>(code)) {
+ // It's intentional to cast as SegmentFetcher::ErrorCode, and to not have a 'default' clause.
+ // This forces the switch statement to handle every defined SegmentFetcher::ErrorCode,
+ // and breaks compilation if it does not.
+ case SegmentFetcher::ErrorCode::INTEREST_TIMEOUT:
+ onFailure(ERROR_TIMEOUT, msg);
+ break;
+ case SegmentFetcher::ErrorCode::DATA_HAS_NO_SEGMENT:
+ onFailure(ERROR_SERVER, msg);
+ break;
+ case SegmentFetcher::ErrorCode::SEGMENT_VALIDATION_FAIL:
+ /// \todo When SegmentFetcher exposes validator error code, Controller::ERROR_VALIDATION
+ /// should be replaced with a range that corresponds to validator error codes.
+ onFailure(ERROR_VALIDATION, msg);
+ break;
+ case SegmentFetcher::ErrorCode::NACK_ERROR:
+ onFailure(ERROR_NACK, msg);
+ break;
+ }
+}
+
+} // namespace nfd
+} // namespace ndn