/* -*- 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 "mgmt/face-manager.hpp"
#include "mgmt/internal-face.hpp"
#include "mgmt/face-status-publisher.hpp"

#include "face/face.hpp"
#include "../face/dummy-face.hpp"
#include "fw/face-table.hpp"
#include "fw/forwarder.hpp"

#include "common.hpp"
#include "tests/test-common.hpp"
#include "validation-common.hpp"
#include "face-status-publisher-common.hpp"

#include <ndn-cpp-dev/encoding/tlv.hpp>
#include <ndn-cpp-dev/management/nfd-face-event-notification.hpp>

namespace nfd {
namespace tests {

NFD_LOG_INIT("FaceManagerTest");

class FaceManagerTestFace : public DummyFace
{
public:

  FaceManagerTestFace()
    : m_closeFired(false)
  {

  }

  virtual
  ~FaceManagerTestFace()
  {

  }

  virtual void
  close()
  {
    m_closeFired = true;
  }

  bool
  didCloseFire() const
  {
    return m_closeFired;
  }

private:
  bool m_closeFired;
};

class TestFaceTable : public FaceTable
{
public:
  TestFaceTable(Forwarder& forwarder)
    : FaceTable(forwarder),
      m_addFired(false),
      m_getFired(false),
      m_dummy(make_shared<FaceManagerTestFace>())
  {

  }

  virtual
  ~TestFaceTable()
  {

  }

  virtual void
  add(shared_ptr<Face> face)
  {
    m_addFired = true;
  }

  virtual shared_ptr<Face>
  get(FaceId id) const
  {
    m_getFired = true;
    return m_dummy;
  }

  bool
  didAddFire() const
  {
    return m_addFired;
  }

  bool
  didGetFire() const
  {
    return m_getFired;
  }

  void
  reset()
  {
    m_addFired = false;
    m_getFired = false;
  }

  shared_ptr<FaceManagerTestFace>&
  getDummyFace()
  {
    return m_dummy;
  }

private:
  bool m_addFired;
  mutable bool m_getFired;
  shared_ptr<FaceManagerTestFace> m_dummy;
};


class TestFaceTableFixture : public BaseFixture
{
public:
  TestFaceTableFixture()
    : m_faceTable(m_forwarder)
  {

  }

  virtual
  ~TestFaceTableFixture()
  {

  }

protected:
  Forwarder m_forwarder;
  TestFaceTable m_faceTable;
};

class TestFaceManagerCommon
{
public:
  TestFaceManagerCommon()
    : m_face(make_shared<InternalFace>()),
      m_callbackFired(false)
  {

  }

  virtual
  ~TestFaceManagerCommon()
  {

  }

  shared_ptr<InternalFace>&
  getFace()
  {
    return m_face;
  }

  void
  validateControlResponseCommon(const Data& response,
                                const Name& expectedName,
                                uint32_t expectedCode,
                                const std::string& expectedText,
                                ControlResponse& control)
  {
    m_callbackFired = true;
    Block controlRaw = response.getContent().blockFromValue();

    control.wireDecode(controlRaw);

    // NFD_LOG_DEBUG("received control response"
    //               << " Name: " << response.getName()
    //               << " code: " << control.getCode()
    //               << " text: " << control.getText());

    BOOST_CHECK_EQUAL(response.getName(), expectedName);
    BOOST_CHECK_EQUAL(control.getCode(), expectedCode);
    BOOST_CHECK_EQUAL(control.getText(), expectedText);
  }

  void
  validateControlResponse(const Data& response,
                          const Name& expectedName,
                          uint32_t expectedCode,
                          const std::string& expectedText)
  {
    ControlResponse control;
    validateControlResponseCommon(response, expectedName,
                                  expectedCode, expectedText, control);

    if (!control.getBody().empty())
      {
        BOOST_FAIL("found unexpected control response body");
      }
  }

  void
  validateControlResponse(const Data& response,
                          const Name& expectedName,
                          uint32_t expectedCode,
                          const std::string& expectedText,
                          const Block& expectedBody)
  {
    ControlResponse control;
    validateControlResponseCommon(response, expectedName,
                                  expectedCode, expectedText, control);

    BOOST_REQUIRE(!control.getBody().empty());
    BOOST_REQUIRE(control.getBody().value_size() == expectedBody.value_size());

    BOOST_CHECK(memcmp(control.getBody().value(), expectedBody.value(),
                       expectedBody.value_size()) == 0);

  }

  bool
  didCallbackFire() const
  {
    return m_callbackFired;
  }

  void
  resetCallbackFired()
  {
    m_callbackFired = false;
  }

protected:
  shared_ptr<InternalFace> m_face;

private:
  bool m_callbackFired;
};

class FaceManagerFixture : public TestFaceTableFixture, public TestFaceManagerCommon
{
public:
  FaceManagerFixture()
    : m_manager(m_faceTable, m_face)
  {
    m_manager.setConfigFile(m_config);
  }

  virtual
  ~FaceManagerFixture()
  {

  }

  void
  parseConfig(const std::string configuration, bool isDryRun)
  {
    m_config.parse(configuration, isDryRun, "dummy-config");
  }

  FaceManager&
  getManager()
  {
    return m_manager;
  }

  void
  addInterestRule(const std::string& regex,
                  ndn::IdentityCertificate& certificate)
  {
    m_manager.addInterestRule(regex, certificate);
  }

  bool
  didFaceTableAddFire() const
  {
    return m_faceTable.didAddFire();
  }

  bool
  didFaceTableGetFire() const
  {
    return m_faceTable.didGetFire();
  }

  void
  resetFaceTable()
  {
    m_faceTable.reset();
  }

private:
  FaceManager m_manager;
  ConfigFile m_config;
};

BOOST_FIXTURE_TEST_SUITE(MgmtFaceManager, FaceManagerFixture)

bool
isExpectedException(const ConfigFile::Error& error, const std::string& expectedMessage)
{
  if (error.what() != expectedMessage)
    {
      NFD_LOG_ERROR("expected: " << expectedMessage << "\tgot: " << error.what());
    }
  return error.what() == expectedMessage;
}

#ifdef HAVE_UNIX_SOCKETS

BOOST_AUTO_TEST_CASE(TestProcessSectionUnix)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  unix\n"
    "  {\n"
    "    listen yes\n"
    "    path /tmp/nfd.sock\n"
    "  }\n"
    "}\n";
  BOOST_TEST_CHECKPOINT("Calling parse");
  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, false));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUnixDryRun)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  unix\n"
    "  {\n"
    "    listen yes\n"
    "    path /var/run/nfd.sock\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, true));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUnixBadListen)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  unix\n"
    "  {\n"
    "    listen hello\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"listen\" in \"unix\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUnixUnknownOption)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  unix\n"
    "  {\n"
    "    hello\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Unrecognized option \"hello\" in \"unix\" section"));
}

#endif // HAVE_UNIX_SOCKETS


BOOST_AUTO_TEST_CASE(TestProcessSectionTcp)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  tcp\n"
    "  {\n"
    "    listen yes\n"
    "    port 6363\n"
    "  }\n"
    "}\n";
  try
    {
      parseConfig(CONFIG, false);
    }
  catch (const std::runtime_error& e)
    {
      const std::string reason = e.what();
      if (reason.find("Address in use") != std::string::npos)
        {
          BOOST_FAIL(reason);
        }
    }
}

BOOST_AUTO_TEST_CASE(TestProcessSectionTcpDryRun)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  tcp\n"
    "  {\n"
    "    listen yes\n"
    "    port 6363\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, true));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionTcpBadListen)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  tcp\n"
    "  {\n"
    "    listen hello\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"listen\" in \"tcp\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionTcpUnknownOption)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  tcp\n"
    "  {\n"
    "    hello\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Unrecognized option \"hello\" in \"tcp\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdp)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    port 6363\n"
    "    idle_timeout 30\n"
    "    keep_alive_interval 25\n"
    "    mcast yes\n"
    "    mcast_port 56363\n"
    "    mcast_group 224.0.23.170\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, false));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdpDryRun)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    port 6363\n"
    "    idle_timeout 30\n"
    "    keep_alive_interval 25\n"
    "    mcast yes\n"
    "    mcast_port 56363\n"
    "    mcast_group 224.0.23.170\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, true));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdpBadIdleTimeout)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    idle_timeout hello\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"idle_timeout\" in \"udp\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdpBadMcast)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    mcast hello\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"mcast\" in \"udp\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdpBadMcastGroup)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    mcast no\n"
    "    mcast_port 50\n"
    "    mcast_group hello\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"mcast_group\" in \"udp\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdpBadMcastGroupV6)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    mcast no\n"
    "    mcast_port 50\n"
    "    mcast_group ::1\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"mcast_group\" in \"udp\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionUdpUnknownOption)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  udp\n"
    "  {\n"
    "    hello\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Unrecognized option \"hello\" in \"udp\" section"));
}

#ifdef HAVE_PCAP

BOOST_AUTO_TEST_CASE(TestProcessSectionEther)
{

  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  ether\n"
    "  {\n"
    "    mcast yes\n"
    "    mcast_group 01:00:5E:00:17:AA\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, false));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionEtherDryRun)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  ether\n"
    "  {\n"
    "    mcast yes\n"
    "    mcast_group 01:00:5E:00:17:AA\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_NO_THROW(parseConfig(CONFIG, true));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionEtherBadMcast)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  ether\n"
    "  {\n"
    "    mcast hello\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"mcast\" in \"ether\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionEtherBadMcastGroup)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  ether\n"
    "  {\n"
    "    mcast yes\n"
    "    mcast_group\n"
    "  }\n"
    "}\n";

  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Invalid value for option \"mcast_group\" in \"ether\" section"));
}

BOOST_AUTO_TEST_CASE(TestProcessSectionEtherUnknownOption)
{
  const std::string CONFIG =
    "face_system\n"
    "{\n"
    "  ether\n"
    "  {\n"
    "    hello\n"
    "  }\n"
    "}\n";
  BOOST_CHECK_EXCEPTION(parseConfig(CONFIG, false), ConfigFile::Error,
                        bind(&isExpectedException, _1,
                             "Unrecognized option \"hello\" in \"ether\" section"));
}

#endif

BOOST_AUTO_TEST_CASE(TestFireInterestFilter)
{
  shared_ptr<Interest> command(make_shared<Interest>("/localhost/nfd/faces"));

  getFace()->onReceiveData +=
    bind(&FaceManagerFixture::validateControlResponse, this,  _1,
         command->getName(), 400, "Malformed command");

  getFace()->sendInterest(*command);
  g_io.run_one();

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_AUTO_TEST_CASE(MalformedCommmand)
{
  shared_ptr<Interest> command(make_shared<Interest>("/localhost/nfd/faces"));

  getFace()->onReceiveData +=
    bind(&FaceManagerFixture::validateControlResponse, this, _1,
         command->getName(), 400, "Malformed command");

  getManager().onFaceRequest(*command);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_AUTO_TEST_CASE(UnsignedCommand)
{
  ControlParameters parameters;
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));

  getFace()->onReceiveData +=
    bind(&FaceManagerFixture::validateControlResponse, this, _1,
         command->getName(), 401, "Signature required");

  getManager().onFaceRequest(*command);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_FIXTURE_TEST_CASE(UnauthorizedCommand, UnauthorizedCommandFixture<FaceManagerFixture>)
{
  ControlParameters parameters;
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&FaceManagerFixture::validateControlResponse, this, _1,
         command->getName(), 403, "Unauthorized command");

  getManager().onFaceRequest(*command);

  BOOST_REQUIRE(didCallbackFire());
}

template <typename T> class AuthorizedCommandFixture : public CommandFixture<T>
{
public:
  AuthorizedCommandFixture()
  {
    const std::string regex = "^<localhost><nfd><faces>";
    T::addInterestRule(regex, *CommandFixture<T>::m_certificate);
  }

  virtual
  ~AuthorizedCommandFixture()
  {

  }
};

BOOST_FIXTURE_TEST_CASE(UnsupportedCommand, AuthorizedCommandFixture<FaceManagerFixture>)
{
  ControlParameters parameters;

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("unsupported");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&FaceManagerFixture::validateControlResponse, this, _1,
         command->getName(), 501, "Unsupported command");

  getManager().onFaceRequest(*command);

  BOOST_REQUIRE(didCallbackFire());
}

class ValidatedFaceRequestFixture : public TestFaceTableFixture,
                                    public TestFaceManagerCommon,
                                    public FaceManager
{
public:

  ValidatedFaceRequestFixture()
    : FaceManager(TestFaceTableFixture::m_faceTable, TestFaceManagerCommon::m_face),
      m_createFaceFired(false),
      m_destroyFaceFired(false)
  {

  }

  virtual void
  createFace(const Interest& request,
             ControlParameters& parameters)
  {
    m_createFaceFired = true;
  }

  virtual void
  destroyFace(const Interest& request,
              ControlParameters& parameters)
  {
    m_destroyFaceFired = true;
  }

  virtual
  ~ValidatedFaceRequestFixture()
  {

  }

  bool
  didCreateFaceFire() const
  {
    return m_createFaceFired;
  }

  bool
  didDestroyFaceFire() const
  {
    return m_destroyFaceFired;
  }

private:
  bool m_createFaceFired;
  bool m_destroyFaceFired;
};

BOOST_FIXTURE_TEST_CASE(ValidatedFaceRequestBadOptionParse,
                        AuthorizedCommandFixture<ValidatedFaceRequestFixture>)
{
  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append("NotReallyParameters");

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&ValidatedFaceRequestFixture::validateControlResponse, this, _1,
         command->getName(), 400, "Malformed command");

  onValidatedFaceRequest(command);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_FIXTURE_TEST_CASE(ValidatedFaceRequestCreateFace,
                        AuthorizedCommandFixture<ValidatedFaceRequestFixture>)
{
  ControlParameters parameters;
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  onValidatedFaceRequest(command);
  BOOST_CHECK(didCreateFaceFire());
}

BOOST_FIXTURE_TEST_CASE(ValidatedFaceRequestDestroyFace,
                        AuthorizedCommandFixture<ValidatedFaceRequestFixture>)
{
  ControlParameters parameters;
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("destroy");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  onValidatedFaceRequest(command);
  BOOST_CHECK(didDestroyFaceFire());
}

class FaceTableFixture
{
public:
  FaceTableFixture()
    : m_faceTable(m_forwarder)
  {
  }

  virtual
  ~FaceTableFixture()
  {
  }

protected:
  Forwarder m_forwarder;
  FaceTable m_faceTable;
};

class LocalControlFixture : public FaceTableFixture,
                            public TestFaceManagerCommon,
                            public FaceManager
{
public:
  LocalControlFixture()
    : FaceManager(FaceTableFixture::m_faceTable, TestFaceManagerCommon::m_face)
  {
  }
};

BOOST_FIXTURE_TEST_CASE(LocalControlInFaceId,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<LocalFace> dummy = make_shared<DummyLocalFace>();
  BOOST_REQUIRE(dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setLocalControlFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 200, "Success", encodedParameters);

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  disable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(disable));
  disableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 200, "Success", encodedParameters);

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
}

BOOST_FIXTURE_TEST_CASE(LocalControlInFaceIdFaceNotFound,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<LocalFace> dummy = make_shared<DummyLocalFace>();
  BOOST_REQUIRE(dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setLocalControlFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId() + 100);

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 410, "Face not found");

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  disable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(disable));
  disableCommand->setIncomingFaceId(dummy->getId() + 100);

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 410, "Face not found");

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
}

BOOST_FIXTURE_TEST_CASE(LocalControlMissingFeature,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<LocalFace> dummy = make_shared<DummyLocalFace>();
  BOOST_REQUIRE(dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 400, "Malformed command");

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  disable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(disable));
  disableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 400, "Malformed command");

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
}

BOOST_FIXTURE_TEST_CASE(LocalControlInFaceIdNonLocal,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<DummyFace> dummy = make_shared<DummyFace>();
  BOOST_REQUIRE(!dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setLocalControlFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 412, "Face is non-local");

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());

  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(enable));
  disableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 412, "Face is non-local");

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_FIXTURE_TEST_CASE(LocalControlNextHopFaceId,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<LocalFace> dummy = make_shared<DummyLocalFace>();
  BOOST_REQUIRE(dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setLocalControlFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 200, "Success", encodedParameters);

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));


  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  disable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(disable));
  disableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 200, "Success", encodedParameters);

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
}

BOOST_FIXTURE_TEST_CASE(LocalControlNextHopFaceIdFaceNotFound,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<LocalFace> dummy = make_shared<DummyLocalFace>();
  BOOST_REQUIRE(dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setLocalControlFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId() + 100);

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 410, "Face not found");

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));


  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  disable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(disable));
  disableCommand->setIncomingFaceId(dummy->getId() + 100);

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 410, "Face not found");

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));
  BOOST_CHECK(!dummy->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
}

BOOST_FIXTURE_TEST_CASE(LocalControlNextHopFaceIdNonLocal,
                        AuthorizedCommandFixture<LocalControlFixture>)
{
  shared_ptr<DummyFace> dummy = make_shared<DummyFace>();
  BOOST_REQUIRE(!dummy->isLocal());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setLocalControlFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

  Block encodedParameters(parameters.wireEncode());

  Name enable("/localhost/nfd/faces/enable-local-control");
  enable.append(encodedParameters);

  shared_ptr<Interest> enableCommand(make_shared<Interest>(enable));
  enableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*enableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         enableCommand->getName(), 412, "Face is non-local");

  onValidatedFaceRequest(enableCommand);

  BOOST_REQUIRE(didCallbackFire());

  TestFaceManagerCommon::m_face->onReceiveData.clear();
  resetCallbackFired();

  Name disable("/localhost/nfd/faces/disable-local-control");
  disable.append(encodedParameters);

  shared_ptr<Interest> disableCommand(make_shared<Interest>(disable));
  disableCommand->setIncomingFaceId(dummy->getId());

  generateCommand(*disableCommand);

  TestFaceManagerCommon::m_face->onReceiveData +=
    bind(&LocalControlFixture::validateControlResponse, this, _1,
         disableCommand->getName(), 412, "Face is non-local");

  onValidatedFaceRequest(disableCommand);

  BOOST_REQUIRE(didCallbackFire());
}

class FaceFixture : public FaceTableFixture,
                    public TestFaceManagerCommon,
                    public FaceManager
{
public:
  FaceFixture()
    : FaceManager(FaceTableFixture::m_faceTable,
                  TestFaceManagerCommon::m_face)
    , m_receivedNotification(false)
  {

  }

  virtual
  ~FaceFixture()
  {

  }

  void
  callbackDispatch(const Data& response,
                   const Name& expectedName,
                   uint32_t expectedCode,
                   const std::string& expectedText,
                   const Block& expectedBody,
                   const ndn::nfd::FaceEventNotification& expectedFaceEvent)
  {
    Block payload = response.getContent().blockFromValue();
    if (payload.type() == ndn::tlv::nfd::ControlResponse)
      {
        validateControlResponse(response, expectedName, expectedCode,
                                expectedText, expectedBody);
      }
    else if (payload.type() == ndn::tlv::nfd::FaceEventNotification)
      {
        validateFaceEvent(payload, expectedFaceEvent);
      }
    else
      {
        BOOST_FAIL("Received unknown message type: #" << payload.type());
      }
  }

  void
  callbackDispatch(const Data& response,
                   const Name& expectedName,
                   uint32_t expectedCode,
                   const std::string& expectedText,
                   const ndn::nfd::FaceEventNotification& expectedFaceEvent)
  {
    Block payload = response.getContent().blockFromValue();
    if (payload.type() == ndn::tlv::nfd::ControlResponse)
      {
        validateControlResponse(response, expectedName,
                                expectedCode, expectedText);
      }
    else if (payload.type() == ndn::tlv::nfd::FaceEventNotification)
      {
        validateFaceEvent(payload, expectedFaceEvent);
      }
    else
      {
        BOOST_FAIL("Received unknown message type: #" << payload.type());
      }
  }

  void
  validateFaceEvent(const Block& wire,
                    const ndn::nfd::FaceEventNotification& expectedFaceEvent)
  {

    m_receivedNotification = true;

    ndn::nfd::FaceEventNotification notification(wire);

    BOOST_CHECK_EQUAL(notification.getKind(), expectedFaceEvent.getKind());
    BOOST_CHECK_EQUAL(notification.getFaceId(), expectedFaceEvent.getFaceId());
    BOOST_CHECK_EQUAL(notification.getRemoteUri(), expectedFaceEvent.getRemoteUri());
    BOOST_CHECK_EQUAL(notification.getLocalUri(), expectedFaceEvent.getLocalUri());
  }

  bool
  didReceiveNotication() const
  {
    return m_receivedNotification;
  }

protected:
  bool m_receivedNotification;
};

BOOST_FIXTURE_TEST_CASE(CreateFaceBadUri, AuthorizedCommandFixture<FaceFixture>)
{
  ControlParameters parameters;
  parameters.setUri("tcp:/127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&FaceFixture::validateControlResponse, this, _1,
         command->getName(), 400, "Malformed command");

  createFace(*command, parameters);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_FIXTURE_TEST_CASE(CreateFaceMissingUri, AuthorizedCommandFixture<FaceFixture>)
{
  ControlParameters parameters;

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&FaceFixture::validateControlResponse, this, _1,
         command->getName(), 400, "Malformed command");

  createFace(*command, parameters);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_FIXTURE_TEST_CASE(CreateFaceUnknownScheme, AuthorizedCommandFixture<FaceFixture>)
{
  ControlParameters parameters;
  // this will be an unsupported protocol because no factories have been
  // added to the face manager
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&FaceFixture::validateControlResponse, this, _1,
         command->getName(), 501, "Unsupported protocol");

  createFace(*command, parameters);

  BOOST_REQUIRE(didCallbackFire());
}

BOOST_FIXTURE_TEST_CASE(OnCreated, AuthorizedCommandFixture<FaceFixture>)
{
  ControlParameters parameters;
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  ControlParameters resultParameters;
  resultParameters.setUri("tcp://127.0.0.1");
  resultParameters.setFaceId(1);

  shared_ptr<DummyFace> dummy(make_shared<DummyFace>());

  ndn::nfd::FaceEventNotification expectedFaceEvent;
  expectedFaceEvent.setKind(ndn::nfd::FACE_EVENT_CREATED)
                   .setFaceId(1)
                   .setRemoteUri(dummy->getRemoteUri().toString())
                   .setLocalUri(dummy->getLocalUri().toString())
                   .setFlags(0);

  Block encodedResultParameters(resultParameters.wireEncode());

  getFace()->onReceiveData +=
    bind(&FaceFixture::callbackDispatch, this, _1,
         command->getName(), 200, "Success",
         encodedResultParameters, expectedFaceEvent);

  onCreated(command->getName(), parameters, dummy);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(didReceiveNotication());
}

BOOST_FIXTURE_TEST_CASE(OnConnectFailed, AuthorizedCommandFixture<FaceFixture>)
{
  ControlParameters parameters;
  parameters.setUri("tcp://127.0.0.1");

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("create");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  getFace()->onReceiveData +=
    bind(&FaceFixture::validateControlResponse, this, _1,
         command->getName(), 400, "Failed to create face");

  onConnectFailed(command->getName(), "unit-test-reason");

  BOOST_REQUIRE(didCallbackFire());
  BOOST_CHECK_EQUAL(didReceiveNotication(), false);
}


BOOST_FIXTURE_TEST_CASE(DestroyFace, AuthorizedCommandFixture<FaceFixture>)
{
  shared_ptr<DummyFace> dummy(make_shared<DummyFace>());
  FaceTableFixture::m_faceTable.add(dummy);

  ControlParameters parameters;
  parameters.setFaceId(dummy->getId());

  Block encodedParameters(parameters.wireEncode());

  Name commandName("/localhost/nfd/faces");
  commandName.append("destroy");
  commandName.append(encodedParameters);

  shared_ptr<Interest> command(make_shared<Interest>(commandName));
  generateCommand(*command);

  ndn::nfd::FaceEventNotification expectedFaceEvent;
  expectedFaceEvent.setKind(ndn::nfd::FACE_EVENT_DESTROYED)
                   .setFaceId(dummy->getId())
                   .setRemoteUri(dummy->getRemoteUri().toString())
                   .setLocalUri(dummy->getLocalUri().toString())
                   .setFlags(0);

  getFace()->onReceiveData +=
    bind(&FaceFixture::callbackDispatch, this, _1,
         command->getName(), 200, "Success", boost::ref(encodedParameters), expectedFaceEvent);

  destroyFace(*command, parameters);

  BOOST_REQUIRE(didCallbackFire());
  BOOST_REQUIRE(didReceiveNotication());
}

class FaceListFixture : public FaceStatusPublisherFixture
{
public:
  FaceListFixture()
    : m_manager(m_table, m_face)
  {

  }

  virtual
  ~FaceListFixture()
  {

  }

protected:
  FaceManager m_manager;
};

BOOST_FIXTURE_TEST_CASE(TestFaceList, FaceListFixture)

{
  Name commandName("/localhost/nfd/faces/list");
  shared_ptr<Interest> command(make_shared<Interest>(commandName));

  // MAX_SEGMENT_SIZE == 4400, FaceStatus size with filler counters is 55
  // 55 divides 4400 (== 80), so only use 79 FaceStatuses and then two smaller ones
  // to force a FaceStatus to span Data packets
  for (int i = 0; i < 79; i++)
    {
      shared_ptr<TestCountersFace> dummy(make_shared<TestCountersFace>());

      uint64_t filler = std::numeric_limits<uint64_t>::max() - 1;
      dummy->setCounters(filler, filler, filler, filler);

      m_referenceFaces.push_back(dummy);

      add(dummy);
    }

  for (int i = 0; i < 2; i++)
    {
      shared_ptr<TestCountersFace> dummy(make_shared<TestCountersFace>());
      uint64_t filler = std::numeric_limits<uint32_t>::max() - 1;
      dummy->setCounters(filler, filler, filler, filler);

      m_referenceFaces.push_back(dummy);

      add(dummy);
    }

  ndn::EncodingBuffer buffer;

  m_face->onReceiveData +=
    bind(&FaceStatusPublisherFixture::decodeFaceStatusBlock, this, _1);

  m_manager.listFaces(*command);
  BOOST_REQUIRE(m_finished);
}

BOOST_AUTO_TEST_SUITE_END()

} // namespace tests
} // namespace nfd