Chengyu Fan
145 lines
4.0 KiB
C++
145 lines
4.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "manager-base.hpp"
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#include "core/logger.hpp"
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namespace nfd {
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NFD_LOG_INIT("ManagerBase");
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ManagerBase::ManagerBase(shared_ptr<InternalFace> face, const std::string& privilege,
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ndn::KeyChain& keyChain)
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: m_face(face)
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, m_keyChain(keyChain)
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{
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face->getValidator().addSupportedPrivilege(privilege);
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}
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ManagerBase::~ManagerBase()
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{
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}
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bool
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ManagerBase::extractParameters(const Name::Component& parameterComponent,
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ControlParameters& extractedParameters)
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{
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try
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{
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Block rawParameters = parameterComponent.blockFromValue();
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extractedParameters.wireDecode(rawParameters);
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}
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catch (const tlv::Error&)
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{
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return false;
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}
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NFD_LOG_DEBUG("Parameters parsed OK");
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return true;
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}
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void
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ManagerBase::sendResponse(const Name& name,
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uint32_t code,
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const std::string& text)
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{
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ControlResponse response(code, text);
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sendResponse(name, response);
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}
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void
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ManagerBase::sendResponse(const Name& name,
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uint32_t code,
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const std::string& text,
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const Block& body)
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{
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ControlResponse response(code, text);
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response.setBody(body);
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sendResponse(name, response);
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}
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void
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ManagerBase::sendResponse(const Name& name,
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const ControlResponse& response)
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{
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NFD_LOG_DEBUG("responding"
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<< " name: " << name
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<< " code: " << response.getCode()
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<< " text: " << response.getText());
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const Block& encodedControl = response.wireEncode();
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shared_ptr<Data> responseData(make_shared<Data>(name));
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responseData->setContent(encodedControl);
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m_keyChain.sign(*responseData);
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m_face->put(*responseData);
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}
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void
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ManagerBase::sendNack(const Name& name)
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{
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NFD_LOG_DEBUG("responding NACK to " << name);
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ndn::MetaInfo meta;
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meta.setType(tlv::ContentType_Nack);
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shared_ptr<Data> responseData(make_shared<Data>(name));
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responseData->setMetaInfo(meta);
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m_keyChain.sign(*responseData);
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m_face->put(*responseData);
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}
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bool
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ManagerBase::validateParameters(const ControlCommand& command,
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ControlParameters& parameters)
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{
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try
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{
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command.validateRequest(parameters);
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}
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catch (const ControlCommand::ArgumentError& error)
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{
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return false;
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}
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command.applyDefaultsToRequest(parameters);
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return true;
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}
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void
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ManagerBase::onCommandValidationFailed(const shared_ptr<const Interest>& command,
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const std::string& error)
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{
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NFD_LOG_DEBUG("command result: unauthorized command: " << *command << " (" << error << ")");
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sendResponse(command->getName(), 403, "Unauthorized command");
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}
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} // namespace nfd
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