136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (C) 2014 Named Data Networking Project
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* See COPYING for copyright and distribution information.
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*/
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#include "local-control-header-manager.hpp"
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#include "face/local-face.hpp"
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#include "mgmt/internal-face.hpp"
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namespace nfd {
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NFD_LOG_INIT("LocalControlHeaderManager");
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const Name LocalControlHeaderManager::COMMAND_PREFIX = "/localhost/nfd/control-header";
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const size_t LocalControlHeaderManager::COMMAND_UNSIGNED_NCOMPS =
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LocalControlHeaderManager::COMMAND_PREFIX.size() +
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1 + // control-module
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1; // verb
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const size_t LocalControlHeaderManager::COMMAND_SIGNED_NCOMPS =
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LocalControlHeaderManager::COMMAND_UNSIGNED_NCOMPS +
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4; // (timestamp, nonce, signed info tlv, signature tlv)
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LocalControlHeaderManager::LocalControlHeaderManager(function<shared_ptr<Face>(FaceId)> getFace,
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shared_ptr<InternalFace> face)
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: ManagerBase(face, CONTROL_HEADER_PRIVILEGE),
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m_getFace(getFace)
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{
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face->setInterestFilter("/localhost/nfd/control-header",
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bind(&LocalControlHeaderManager::onLocalControlHeaderRequest, this, _2));
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}
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void
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LocalControlHeaderManager::onLocalControlHeaderRequest(const Interest& request)
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{
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const Name& command = request.getName();
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const size_t commandNComps = command.size();
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if (COMMAND_UNSIGNED_NCOMPS <= commandNComps &&
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commandNComps < COMMAND_SIGNED_NCOMPS)
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{
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NFD_LOG_INFO("command result: unsigned verb: " << command);
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sendResponse(command, 401, "Signature required");
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return;
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}
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else if (commandNComps < COMMAND_SIGNED_NCOMPS ||
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!COMMAND_PREFIX.isPrefixOf(command))
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{
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NFD_LOG_INFO("command result: malformed");
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sendResponse(command, 400, "Malformed command");
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return;
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}
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validate(request,
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bind(&LocalControlHeaderManager::onCommandValidated,
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this, _1),
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bind(&ManagerBase::onCommandValidationFailed,
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this, _1, _2));
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}
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void
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LocalControlHeaderManager::onCommandValidated(const shared_ptr<const Interest>& command)
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{
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static const Name::Component MODULE_IN_FACEID("in-faceid");
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static const Name::Component MODULE_NEXTHOP_FACEID("nexthop-faceid");
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static const Name::Component VERB_ENABLE("enable");
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static const Name::Component VERB_DISABLE("disable");
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shared_ptr<LocalFace> face =
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dynamic_pointer_cast<LocalFace>(m_getFace(command->getIncomingFaceId()));
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if (!static_cast<bool>(face))
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{
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NFD_LOG_INFO("command result: command to enable control header on non-local face");
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sendResponse(command->getName(), 400, "Command not supported on the requested face");
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return;
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}
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const Name& commandName = command->getName();
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const Name::Component& module = commandName[COMMAND_PREFIX.size()];
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const Name::Component& verb = commandName[COMMAND_PREFIX.size() + 1];
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if (module == MODULE_IN_FACEID)
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{
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if (verb == VERB_ENABLE)
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{
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face->setLocalControlHeaderFeature(LOCAL_CONTROL_HEADER_FEATURE_IN_FACEID, true);
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sendResponse(commandName, 200, "Success");
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}
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else if (verb == VERB_DISABLE)
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{
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face->setLocalControlHeaderFeature(LOCAL_CONTROL_HEADER_FEATURE_IN_FACEID, false);
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sendResponse(commandName, 200, "Success");
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}
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else
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{
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NFD_LOG_INFO("command result: unsupported verb: " << verb);
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sendResponse(commandName, 501, "Unsupported");
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}
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}
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else if (module == MODULE_NEXTHOP_FACEID)
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{
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if (verb == VERB_ENABLE)
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{
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face->setLocalControlHeaderFeature(LOCAL_CONTROL_HEADER_FEATURE_NEXTHOP_FACEID, true);
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sendResponse(commandName, 200, "Success");
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}
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else if (verb == VERB_DISABLE)
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{
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face->setLocalControlHeaderFeature(LOCAL_CONTROL_HEADER_FEATURE_NEXTHOP_FACEID, false);
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sendResponse(commandName, 200, "Success");
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}
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else
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{
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NFD_LOG_INFO("command result: unsupported verb: " << verb);
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sendResponse(commandName, 501, "Unsupported");
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}
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}
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else
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{
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NFD_LOG_INFO("command result: unsupported module: " << module);
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sendResponse(commandName, 501, "Unsupported");
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}
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}
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} // namespace nfd
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