tests/face/unix-stream.cpp - ndnSIM - Gitiles

 /* -*- 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 "face/unix-stream-factory.hpp"

 #include "tests/test-common.hpp"
 #include "tests/core/limited-io.hpp"

 namespace nfd {
 namespace tests {

 using namespace boost::asio::local;

 #define CHANNEL_PATH1 "unix-stream-test.1.sock"
 #define CHANNEL_PATH2 "unix-stream-test.2.sock"

 BOOST_FIXTURE_TEST_SUITE(FaceUnixStream, BaseFixture)

 BOOST_AUTO_TEST_CASE(ChannelMap)
 {
   UnixStreamFactory factory;

   shared_ptr<UnixStreamChannel> channel1 = factory.createChannel(CHANNEL_PATH1);
   shared_ptr<UnixStreamChannel> channel1a = factory.createChannel(CHANNEL_PATH1);
   BOOST_CHECK_EQUAL(channel1, channel1a);
   std::string channel1uri = channel1->getUri().toString();
   BOOST_CHECK_EQUAL(channel1uri.find("unix:///"), 0); // third '/' is the path separator
   BOOST_CHECK_EQUAL(channel1uri.rfind(CHANNEL_PATH1),
                     channel1uri.size() - std::string(CHANNEL_PATH1).size());

   shared_ptr<UnixStreamChannel> channel2 = factory.createChannel(CHANNEL_PATH2);
   BOOST_CHECK_NE(channel1, channel2);
 }

 class EndToEndFixture : protected BaseFixture
 {
 public:
   void
   client_onConnect(const boost::system::error_code& error)
   {
     BOOST_CHECK_MESSAGE(!error, error.message());

     limitedIo.afterOp();
   }

   void
   channel1_onFaceCreated(const shared_ptr<Face>& newFace)
   {
     BOOST_CHECK(!static_cast<bool>(face1));
     face1 = static_pointer_cast<UnixStreamFace>(newFace);
     face1->onReceiveInterest +=
       bind(&EndToEndFixture::face1_onReceiveInterest, this, _1);
     face1->onReceiveData +=
       bind(&EndToEndFixture::face1_onReceiveData, this, _1);

     limitedIo.afterOp();
   }

   void
   channel1_onConnectFailed(const std::string& reason)
   {
     BOOST_CHECK_MESSAGE(false, reason);

     limitedIo.afterOp();
   }

   void
   face1_onReceiveInterest(const Interest& interest)
   {
     face1_receivedInterests.push_back(interest);

     limitedIo.afterOp();
   }

   void
   face1_onReceiveData(const Data& data)
   {
     face1_receivedDatas.push_back(data);

     limitedIo.afterOp();
   }

   void
   face2_onReceiveInterest(const Interest& interest)
   {
     face2_receivedInterests.push_back(interest);

     limitedIo.afterOp();
   }

   void
   face2_onReceiveData(const Data& data)
   {
     face2_receivedDatas.push_back(data);

     limitedIo.afterOp();
   }

   void
   channel_onFaceCreated(const shared_ptr<Face>& newFace)
   {
     faces.push_back(static_pointer_cast<UnixStreamFace>(newFace));

     limitedIo.afterOp();
   }

   void
   channel_onConnectFailed(const std::string& reason)
   {
     BOOST_CHECK_MESSAGE(false, reason);

     limitedIo.afterOp();
   }

 protected:
   LimitedIo limitedIo;

   shared_ptr<UnixStreamFace> face1;
   std::vector<Interest> face1_receivedInterests;
   std::vector<Data> face1_receivedDatas;
   shared_ptr<UnixStreamFace> face2;
   std::vector<Interest> face2_receivedInterests;
   std::vector<Data> face2_receivedDatas;

   std::list< shared_ptr<UnixStreamFace> > faces;
 };


 BOOST_FIXTURE_TEST_CASE(EndToEnd, EndToEndFixture)
 {
   UnixStreamFactory factory;

   shared_ptr<UnixStreamChannel> channel1 = factory.createChannel(CHANNEL_PATH1);
   channel1->listen(bind(&EndToEndFixture::channel1_onFaceCreated,   this, _1),
                    bind(&EndToEndFixture::channel1_onConnectFailed, this, _1));

   shared_ptr<stream_protocol::socket> client =
       make_shared<stream_protocol::socket>(boost::ref(g_io));
   client->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
                         bind(&EndToEndFixture::client_onConnect, this, _1));

   BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot connect or cannot accept connection");

   BOOST_REQUIRE(static_cast<bool>(face1));

   BOOST_CHECK_EQUAL(face1->getRemoteUri().getScheme(), "fd");
   BOOST_CHECK_NO_THROW(boost::lexical_cast<int>(face1->getRemoteUri().getHost()));
   std::string face1localUri = face1->getLocalUri().toString();
   BOOST_CHECK_EQUAL(face1localUri.find("unix:///"), 0); // third '/' is the path separator
   BOOST_CHECK_EQUAL(face1localUri.rfind(CHANNEL_PATH1),
                     face1localUri.size() - std::string(CHANNEL_PATH1).size());

   face2 = make_shared<UnixStreamFace>(client);
   face2->onReceiveInterest +=
     bind(&EndToEndFixture::face2_onReceiveInterest, this, _1);
   face2->onReceiveData +=
     bind(&EndToEndFixture::face2_onReceiveData, this, _1);

   Interest interest1("ndn:/TpnzGvW9R");
   Data     data1    ("ndn:/KfczhUqVix");
   data1.setContent(0, 0);
   Interest interest2("ndn:/QWiIMfj5sL");
   Data     data2    ("ndn:/XNBV796f");
   data2.setContent(0, 0);

   ndn::SignatureSha256WithRsa fakeSignature;
   fakeSignature.setValue(ndn::dataBlock(tlv::SignatureValue, reinterpret_cast<const uint8_t*>(0), 0));

   // set fake signature on data1 and data2
   data1.setSignature(fakeSignature);
   data2.setSignature(fakeSignature);

   face1->sendInterest(interest1);
   face1->sendInterest(interest1);
   face1->sendInterest(interest1);
   face1->sendData    (data1    );
   face2->sendInterest(interest2);
   face2->sendData    (data2    );
   face2->sendData    (data2    );
   face2->sendData    (data2    );

   BOOST_CHECK_MESSAGE(limitedIo.run(8, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot send or receive Interest/Data packets");

   BOOST_REQUIRE_EQUAL(face1_receivedInterests.size(), 1);
   BOOST_REQUIRE_EQUAL(face1_receivedDatas    .size(), 3);
   BOOST_REQUIRE_EQUAL(face2_receivedInterests.size(), 3);
   BOOST_REQUIRE_EQUAL(face2_receivedDatas    .size(), 1);

   BOOST_CHECK_EQUAL(face1_receivedInterests[0].getName(), interest2.getName());
   BOOST_CHECK_EQUAL(face1_receivedDatas    [0].getName(), data2.getName());
   BOOST_CHECK_EQUAL(face2_receivedInterests[0].getName(), interest1.getName());
   BOOST_CHECK_EQUAL(face2_receivedDatas    [0].getName(), data1.getName());

   const FaceCounters& counters1 = face1->getCounters();
   BOOST_CHECK_EQUAL(counters1.getNInInterests() , 1);
   BOOST_CHECK_EQUAL(counters1.getNInDatas()     , 3);
   BOOST_CHECK_EQUAL(counters1.getNOutInterests(), 3);
   BOOST_CHECK_EQUAL(counters1.getNOutDatas()    , 1);

   const FaceCounters& counters2 = face2->getCounters();
   BOOST_CHECK_EQUAL(counters2.getNInInterests() , 3);
   BOOST_CHECK_EQUAL(counters2.getNInDatas()     , 1);
   BOOST_CHECK_EQUAL(counters2.getNOutInterests(), 1);
   BOOST_CHECK_EQUAL(counters2.getNOutDatas()    , 3);
 }

 BOOST_FIXTURE_TEST_CASE(MultipleAccepts, EndToEndFixture)
 {
   UnixStreamFactory factory;

   shared_ptr<UnixStreamChannel> channel = factory.createChannel(CHANNEL_PATH1);
   channel->listen(bind(&EndToEndFixture::channel_onFaceCreated,   this, _1),
                   bind(&EndToEndFixture::channel_onConnectFailed, this, _1));

   shared_ptr<stream_protocol::socket> client1 =
       make_shared<stream_protocol::socket>(boost::ref(g_io));
   client1->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
                          bind(&EndToEndFixture::client_onConnect, this, _1));

   BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot connect or cannot accept connection");

   BOOST_CHECK_EQUAL(faces.size(), 1);

   shared_ptr<stream_protocol::socket> client2 =
       make_shared<stream_protocol::socket>(boost::ref(g_io));
   client2->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
                          bind(&EndToEndFixture::client_onConnect, this, _1));

   BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot accept multiple connections");

   BOOST_CHECK_EQUAL(faces.size(), 2);

   // now close one of the faces
   faces.front()->close();

   // we should still be able to send/receive with the other one
   face1 = faces.back();
   face1->onReceiveInterest += bind(&EndToEndFixture::face1_onReceiveInterest, this, _1);
   face1->onReceiveData += bind(&EndToEndFixture::face1_onReceiveData, this, _1);

   face2 = make_shared<UnixStreamFace>(client2);
   face2->onReceiveInterest += bind(&EndToEndFixture::face2_onReceiveInterest, this, _1);
   face2->onReceiveData += bind(&EndToEndFixture::face2_onReceiveData, this, _1);

   Interest interest1("ndn:/TpnzGvW9R");
   Data     data1    ("ndn:/KfczhUqVix");
   data1.setContent(0, 0);
   Interest interest2("ndn:/QWiIMfj5sL");
   Data     data2    ("ndn:/XNBV796f");
   data2.setContent(0, 0);

   ndn::SignatureSha256WithRsa fakeSignature;
   fakeSignature.setValue(ndn::dataBlock(tlv::SignatureValue, reinterpret_cast<const uint8_t*>(0), 0));

   // set fake signature on data1 and data2
   data1.setSignature(fakeSignature);
   data2.setSignature(fakeSignature);

   face1->sendInterest(interest1);
   face1->sendData    (data1    );
   face2->sendInterest(interest2);
   face2->sendData    (data2    );

   BOOST_CHECK_MESSAGE(limitedIo.run(4, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot send or receive Interest/Data packets");

   BOOST_REQUIRE_EQUAL(face1_receivedInterests.size(), 1);
   BOOST_REQUIRE_EQUAL(face1_receivedDatas    .size(), 1);
   BOOST_REQUIRE_EQUAL(face2_receivedInterests.size(), 1);
   BOOST_REQUIRE_EQUAL(face2_receivedDatas    .size(), 1);

   BOOST_CHECK_EQUAL(face1_receivedInterests[0].getName(), interest2.getName());
   BOOST_CHECK_EQUAL(face1_receivedDatas    [0].getName(), data2.getName());
   BOOST_CHECK_EQUAL(face2_receivedInterests[0].getName(), interest1.getName());
   BOOST_CHECK_EQUAL(face2_receivedDatas    [0].getName(), data1.getName());
 }

 static inline void
 noOp()
 {
 }

 BOOST_FIXTURE_TEST_CASE(UnixStreamFaceLocalControlHeader, EndToEndFixture)
 {
   UnixStreamFactory factory;

   shared_ptr<UnixStreamChannel> channel1 = factory.createChannel(CHANNEL_PATH1);
   channel1->listen(bind(&EndToEndFixture::channel1_onFaceCreated,   this, _1),
                    bind(&EndToEndFixture::channel1_onConnectFailed, this, _1));

   shared_ptr<stream_protocol::socket> client =
       make_shared<stream_protocol::socket>(boost::ref(g_io));
   client->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
                         bind(&EndToEndFixture::client_onConnect, this, _1));

   BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot connect or cannot accept connection");

   BOOST_REQUIRE(static_cast<bool>(face1));

   face2 = make_shared<UnixStreamFace>(client);
   face2->onReceiveInterest +=
     bind(&EndToEndFixture::face2_onReceiveInterest, this, _1);
   face2->onReceiveData +=
     bind(&EndToEndFixture::face2_onReceiveData, this, _1);

   Interest interest1("ndn:/TpnzGvW9R");
   Data     data1    ("ndn:/KfczhUqVix");
   data1.setContent(0, 0);
   Interest interest2("ndn:/QWiIMfj5sL");
   Data     data2    ("ndn:/XNBV796f");
   data2.setContent(0, 0);

   ndn::SignatureSha256WithRsa fakeSignature;
   fakeSignature.setValue(ndn::dataBlock(tlv::SignatureValue, reinterpret_cast<const uint8_t*>(0), 0));

   // set fake signature on data1 and data2
   data1.setSignature(fakeSignature);
   data2.setSignature(fakeSignature);

   face1->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);
   face1->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

   BOOST_CHECK(face1->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
   BOOST_CHECK(face1->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

   face2->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);
   face2->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

   BOOST_CHECK(face2->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
   BOOST_CHECK(face2->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

   ////////////////////////////////////////////////////////

   interest1.setIncomingFaceId(11);
   interest1.setNextHopFaceId(111);

   face1->sendInterest(interest1);

   data1.setIncomingFaceId(22);
   data1.getLocalControlHeader().setNextHopFaceId(222);

   face1->sendData    (data1);

   //

   BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot send or receive Interest/Data packets");

   BOOST_REQUIRE_EQUAL(face2_receivedInterests.size(), 1);
   BOOST_REQUIRE_EQUAL(face2_receivedDatas    .size(), 1);

   // sending allows only IncomingFaceId, receiving allows only NextHopFaceId
   BOOST_CHECK_EQUAL(face2_receivedInterests[0].getLocalControlHeader().hasIncomingFaceId(), false);
   BOOST_CHECK_EQUAL(face2_receivedInterests[0].getLocalControlHeader().hasNextHopFaceId(), false);

   BOOST_CHECK_EQUAL(face2_receivedDatas[0].getLocalControlHeader().hasIncomingFaceId(), false);
   BOOST_CHECK_EQUAL(face2_receivedDatas[0].getLocalControlHeader().hasNextHopFaceId(), false);

   ////////////////////////////////////////////////////////

   using namespace boost::asio;

   std::vector<const_buffer> interestWithHeader;
   Block iHeader  = interest1.getLocalControlHeader().wireEncode(interest1, true, true);
   Block iPayload = interest1.wireEncode();
   interestWithHeader.push_back(buffer(iHeader.wire(),  iHeader.size()));
   interestWithHeader.push_back(buffer(iPayload.wire(), iPayload.size()));

   std::vector<const_buffer> dataWithHeader;
   Block dHeader  = data1.getLocalControlHeader().wireEncode(data1, true, true);
   Block dPayload = data1.wireEncode();
   dataWithHeader.push_back(buffer(dHeader.wire(),  dHeader.size()));
   dataWithHeader.push_back(buffer(dPayload.wire(), dPayload.size()));

   //

   client->async_send(interestWithHeader, bind(&noOp));
   client->async_send(dataWithHeader, bind(&noOp));

   BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
                       "UnixStreamChannel error: cannot send or receive Interest/Data packets");

   BOOST_REQUIRE_EQUAL(face1_receivedInterests.size(), 1);
   BOOST_REQUIRE_EQUAL(face1_receivedDatas    .size(), 1);

   BOOST_CHECK_EQUAL(face1_receivedInterests[0].getLocalControlHeader().hasIncomingFaceId(), false);
   BOOST_CHECK_EQUAL(face1_receivedInterests[0].getLocalControlHeader().hasNextHopFaceId(), true);
   BOOST_CHECK_EQUAL(face1_receivedInterests[0].getNextHopFaceId(), 111);

   BOOST_CHECK_EQUAL(face1_receivedDatas[0].getLocalControlHeader().hasIncomingFaceId(), false);
   BOOST_CHECK_EQUAL(face1_receivedDatas[0].getLocalControlHeader().hasNextHopFaceId(), false);
 }

 BOOST_AUTO_TEST_SUITE_END()

 } // namespace tests
 } // namespace nfd
	/* -- 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 "face/unix-stream-factory.hpp"

	#include "tests/test-common.hpp"
	#include "tests/core/limited-io.hpp"

	namespace nfd {
	namespace tests {

	using namespace boost::asio::local;

	#define CHANNEL_PATH1 "unix-stream-test.1.sock"
	#define CHANNEL_PATH2 "unix-stream-test.2.sock"

	BOOST_FIXTURE_TEST_SUITE(FaceUnixStream, BaseFixture)

	BOOST_AUTO_TEST_CASE(ChannelMap)
	{
	UnixStreamFactory factory;

	shared_ptr<UnixStreamChannel> channel1 = factory.createChannel(CHANNEL_PATH1);
	shared_ptr<UnixStreamChannel> channel1a = factory.createChannel(CHANNEL_PATH1);
	BOOST_CHECK_EQUAL(channel1, channel1a);
	std::string channel1uri = channel1->getUri().toString();
	BOOST_CHECK_EQUAL(channel1uri.find("unix:///"), 0); // third '/' is the path separator
	BOOST_CHECK_EQUAL(channel1uri.rfind(CHANNEL_PATH1),
	channel1uri.size() - std::string(CHANNEL_PATH1).size());

	shared_ptr<UnixStreamChannel> channel2 = factory.createChannel(CHANNEL_PATH2);
	BOOST_CHECK_NE(channel1, channel2);
	}

	class EndToEndFixture : protected BaseFixture
	{
	public:
	void
	client_onConnect(const boost::system::error_code& error)
	{
	BOOST_CHECK_MESSAGE(!error, error.message());

	limitedIo.afterOp();
	}

	void
	channel1_onFaceCreated(const shared_ptr<Face>& newFace)
	{
	BOOST_CHECK(!static_cast<bool>(face1));
	face1 = static_pointer_cast<UnixStreamFace>(newFace);
	face1->onReceiveInterest +=
	bind(&EndToEndFixture::face1_onReceiveInterest, this, _1);
	face1->onReceiveData +=
	bind(&EndToEndFixture::face1_onReceiveData, this, _1);

	limitedIo.afterOp();
	}

	void
	channel1_onConnectFailed(const std::string& reason)
	{
	BOOST_CHECK_MESSAGE(false, reason);

	limitedIo.afterOp();
	}

	void
	face1_onReceiveInterest(const Interest& interest)
	{
	face1_receivedInterests.push_back(interest);

	limitedIo.afterOp();
	}

	void
	face1_onReceiveData(const Data& data)
	{
	face1_receivedDatas.push_back(data);

	limitedIo.afterOp();
	}

	void
	face2_onReceiveInterest(const Interest& interest)
	{
	face2_receivedInterests.push_back(interest);

	limitedIo.afterOp();
	}

	void
	face2_onReceiveData(const Data& data)
	{
	face2_receivedDatas.push_back(data);

	limitedIo.afterOp();
	}

	void
	channel_onFaceCreated(const shared_ptr<Face>& newFace)
	{
	faces.push_back(static_pointer_cast<UnixStreamFace>(newFace));

	limitedIo.afterOp();
	}

	void
	channel_onConnectFailed(const std::string& reason)
	{
	BOOST_CHECK_MESSAGE(false, reason);

	limitedIo.afterOp();
	}

	protected:
	LimitedIo limitedIo;

	shared_ptr<UnixStreamFace> face1;
	std::vector<Interest> face1_receivedInterests;
	std::vector<Data> face1_receivedDatas;
	shared_ptr<UnixStreamFace> face2;
	std::vector<Interest> face2_receivedInterests;
	std::vector<Data> face2_receivedDatas;

	std::list< shared_ptr<UnixStreamFace> > faces;
	};


	BOOST_FIXTURE_TEST_CASE(EndToEnd, EndToEndFixture)
	{
	UnixStreamFactory factory;

	shared_ptr<UnixStreamChannel> channel1 = factory.createChannel(CHANNEL_PATH1);
	channel1->listen(bind(&EndToEndFixture::channel1_onFaceCreated, this, _1),
	bind(&EndToEndFixture::channel1_onConnectFailed, this, _1));

	shared_ptr<stream_protocol::socket> client =
	make_shared<stream_protocol::socket>(boost::ref(g_io));
	client->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
	bind(&EndToEndFixture::client_onConnect, this, _1));

	BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot connect or cannot accept connection");

	BOOST_REQUIRE(static_cast<bool>(face1));

	BOOST_CHECK_EQUAL(face1->getRemoteUri().getScheme(), "fd");
	BOOST_CHECK_NO_THROW(boost::lexical_cast<int>(face1->getRemoteUri().getHost()));
	std::string face1localUri = face1->getLocalUri().toString();
	BOOST_CHECK_EQUAL(face1localUri.find("unix:///"), 0); // third '/' is the path separator
	BOOST_CHECK_EQUAL(face1localUri.rfind(CHANNEL_PATH1),
	face1localUri.size() - std::string(CHANNEL_PATH1).size());

	face2 = make_shared<UnixStreamFace>(client);
	face2->onReceiveInterest +=
	bind(&EndToEndFixture::face2_onReceiveInterest, this, _1);
	face2->onReceiveData +=
	bind(&EndToEndFixture::face2_onReceiveData, this, _1);

	Interest interest1("ndn:/TpnzGvW9R");
	Data data1 ("ndn:/KfczhUqVix");
	data1.setContent(0, 0);
	Interest interest2("ndn:/QWiIMfj5sL");
	Data data2 ("ndn:/XNBV796f");
	data2.setContent(0, 0);

	ndn::SignatureSha256WithRsa fakeSignature;
	fakeSignature.setValue(ndn::dataBlock(tlv::SignatureValue, reinterpret_cast<const uint8_t*>(0), 0));

	// set fake signature on data1 and data2
	data1.setSignature(fakeSignature);
	data2.setSignature(fakeSignature);

	face1->sendInterest(interest1);
	face1->sendInterest(interest1);
	face1->sendInterest(interest1);
	face1->sendData (data1 );
	face2->sendInterest(interest2);
	face2->sendData (data2 );
	face2->sendData (data2 );
	face2->sendData (data2 );

	BOOST_CHECK_MESSAGE(limitedIo.run(8, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot send or receive Interest/Data packets");

	BOOST_REQUIRE_EQUAL(face1_receivedInterests.size(), 1);
	BOOST_REQUIRE_EQUAL(face1_receivedDatas .size(), 3);
	BOOST_REQUIRE_EQUAL(face2_receivedInterests.size(), 3);
	BOOST_REQUIRE_EQUAL(face2_receivedDatas .size(), 1);

	BOOST_CHECK_EQUAL(face1_receivedInterests[0].getName(), interest2.getName());
	BOOST_CHECK_EQUAL(face1_receivedDatas [0].getName(), data2.getName());
	BOOST_CHECK_EQUAL(face2_receivedInterests[0].getName(), interest1.getName());
	BOOST_CHECK_EQUAL(face2_receivedDatas [0].getName(), data1.getName());

	const FaceCounters& counters1 = face1->getCounters();
	BOOST_CHECK_EQUAL(counters1.getNInInterests() , 1);
	BOOST_CHECK_EQUAL(counters1.getNInDatas() , 3);
	BOOST_CHECK_EQUAL(counters1.getNOutInterests(), 3);
	BOOST_CHECK_EQUAL(counters1.getNOutDatas() , 1);

	const FaceCounters& counters2 = face2->getCounters();
	BOOST_CHECK_EQUAL(counters2.getNInInterests() , 3);
	BOOST_CHECK_EQUAL(counters2.getNInDatas() , 1);
	BOOST_CHECK_EQUAL(counters2.getNOutInterests(), 1);
	BOOST_CHECK_EQUAL(counters2.getNOutDatas() , 3);
	}

	BOOST_FIXTURE_TEST_CASE(MultipleAccepts, EndToEndFixture)
	{
	UnixStreamFactory factory;

	shared_ptr<UnixStreamChannel> channel = factory.createChannel(CHANNEL_PATH1);
	channel->listen(bind(&EndToEndFixture::channel_onFaceCreated, this, _1),
	bind(&EndToEndFixture::channel_onConnectFailed, this, _1));

	shared_ptr<stream_protocol::socket> client1 =
	make_shared<stream_protocol::socket>(boost::ref(g_io));
	client1->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
	bind(&EndToEndFixture::client_onConnect, this, _1));

	BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot connect or cannot accept connection");

	BOOST_CHECK_EQUAL(faces.size(), 1);

	shared_ptr<stream_protocol::socket> client2 =
	make_shared<stream_protocol::socket>(boost::ref(g_io));
	client2->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
	bind(&EndToEndFixture::client_onConnect, this, _1));

	BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot accept multiple connections");

	BOOST_CHECK_EQUAL(faces.size(), 2);

	// now close one of the faces
	faces.front()->close();

	// we should still be able to send/receive with the other one
	face1 = faces.back();
	face1->onReceiveInterest += bind(&EndToEndFixture::face1_onReceiveInterest, this, _1);
	face1->onReceiveData += bind(&EndToEndFixture::face1_onReceiveData, this, _1);

	face2 = make_shared<UnixStreamFace>(client2);
	face2->onReceiveInterest += bind(&EndToEndFixture::face2_onReceiveInterest, this, _1);
	face2->onReceiveData += bind(&EndToEndFixture::face2_onReceiveData, this, _1);

	Interest interest1("ndn:/TpnzGvW9R");
	Data data1 ("ndn:/KfczhUqVix");
	data1.setContent(0, 0);
	Interest interest2("ndn:/QWiIMfj5sL");
	Data data2 ("ndn:/XNBV796f");
	data2.setContent(0, 0);

	ndn::SignatureSha256WithRsa fakeSignature;
	fakeSignature.setValue(ndn::dataBlock(tlv::SignatureValue, reinterpret_cast<const uint8_t*>(0), 0));

	// set fake signature on data1 and data2
	data1.setSignature(fakeSignature);
	data2.setSignature(fakeSignature);

	face1->sendInterest(interest1);
	face1->sendData (data1 );
	face2->sendInterest(interest2);
	face2->sendData (data2 );

	BOOST_CHECK_MESSAGE(limitedIo.run(4, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot send or receive Interest/Data packets");

	BOOST_REQUIRE_EQUAL(face1_receivedInterests.size(), 1);
	BOOST_REQUIRE_EQUAL(face1_receivedDatas .size(), 1);
	BOOST_REQUIRE_EQUAL(face2_receivedInterests.size(), 1);
	BOOST_REQUIRE_EQUAL(face2_receivedDatas .size(), 1);

	BOOST_CHECK_EQUAL(face1_receivedInterests[0].getName(), interest2.getName());
	BOOST_CHECK_EQUAL(face1_receivedDatas [0].getName(), data2.getName());
	BOOST_CHECK_EQUAL(face2_receivedInterests[0].getName(), interest1.getName());
	BOOST_CHECK_EQUAL(face2_receivedDatas [0].getName(), data1.getName());
	}

	static inline void
	noOp()
	{
	}

	BOOST_FIXTURE_TEST_CASE(UnixStreamFaceLocalControlHeader, EndToEndFixture)
	{
	UnixStreamFactory factory;

	shared_ptr<UnixStreamChannel> channel1 = factory.createChannel(CHANNEL_PATH1);
	channel1->listen(bind(&EndToEndFixture::channel1_onFaceCreated, this, _1),
	bind(&EndToEndFixture::channel1_onConnectFailed, this, _1));

	shared_ptr<stream_protocol::socket> client =
	make_shared<stream_protocol::socket>(boost::ref(g_io));
	client->async_connect(stream_protocol::endpoint(CHANNEL_PATH1),
	bind(&EndToEndFixture::client_onConnect, this, _1));

	BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot connect or cannot accept connection");

	BOOST_REQUIRE(static_cast<bool>(face1));

	face2 = make_shared<UnixStreamFace>(client);
	face2->onReceiveInterest +=
	bind(&EndToEndFixture::face2_onReceiveInterest, this, _1);
	face2->onReceiveData +=
	bind(&EndToEndFixture::face2_onReceiveData, this, _1);

	Interest interest1("ndn:/TpnzGvW9R");
	Data data1 ("ndn:/KfczhUqVix");
	data1.setContent(0, 0);
	Interest interest2("ndn:/QWiIMfj5sL");
	Data data2 ("ndn:/XNBV796f");
	data2.setContent(0, 0);

	ndn::SignatureSha256WithRsa fakeSignature;
	fakeSignature.setValue(ndn::dataBlock(tlv::SignatureValue, reinterpret_cast<const uint8_t*>(0), 0));

	// set fake signature on data1 and data2
	data1.setSignature(fakeSignature);
	data2.setSignature(fakeSignature);

	face1->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);
	face1->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

	BOOST_CHECK(face1->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
	BOOST_CHECK(face1->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

	face2->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID);
	face2->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);

	BOOST_CHECK(face2->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_INCOMING_FACE_ID));
	BOOST_CHECK(face2->isLocalControlHeaderEnabled(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID));

	////////////////////////////////////////////////////////

	interest1.setIncomingFaceId(11);
	interest1.setNextHopFaceId(111);

	face1->sendInterest(interest1);

	data1.setIncomingFaceId(22);
	data1.getLocalControlHeader().setNextHopFaceId(222);

	face1->sendData (data1);

	//

	BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot send or receive Interest/Data packets");

	BOOST_REQUIRE_EQUAL(face2_receivedInterests.size(), 1);
	BOOST_REQUIRE_EQUAL(face2_receivedDatas .size(), 1);

	// sending allows only IncomingFaceId, receiving allows only NextHopFaceId
	BOOST_CHECK_EQUAL(face2_receivedInterests[0].getLocalControlHeader().hasIncomingFaceId(), false);
	BOOST_CHECK_EQUAL(face2_receivedInterests[0].getLocalControlHeader().hasNextHopFaceId(), false);

	BOOST_CHECK_EQUAL(face2_receivedDatas[0].getLocalControlHeader().hasIncomingFaceId(), false);
	BOOST_CHECK_EQUAL(face2_receivedDatas[0].getLocalControlHeader().hasNextHopFaceId(), false);

	////////////////////////////////////////////////////////

	using namespace boost::asio;

	std::vector<const_buffer> interestWithHeader;
	Block iHeader = interest1.getLocalControlHeader().wireEncode(interest1, true, true);
	Block iPayload = interest1.wireEncode();
	interestWithHeader.push_back(buffer(iHeader.wire(), iHeader.size()));
	interestWithHeader.push_back(buffer(iPayload.wire(), iPayload.size()));

	std::vector<const_buffer> dataWithHeader;
	Block dHeader = data1.getLocalControlHeader().wireEncode(data1, true, true);
	Block dPayload = data1.wireEncode();
	dataWithHeader.push_back(buffer(dHeader.wire(), dHeader.size()));
	dataWithHeader.push_back(buffer(dPayload.wire(), dPayload.size()));

	//

	client->async_send(interestWithHeader, bind(&noOp));
	client->async_send(dataWithHeader, bind(&noOp));

	BOOST_CHECK_MESSAGE(limitedIo.run(2, time::seconds(1)) == LimitedIo::EXCEED_OPS,
	"UnixStreamChannel error: cannot send or receive Interest/Data packets");

	BOOST_REQUIRE_EQUAL(face1_receivedInterests.size(), 1);
	BOOST_REQUIRE_EQUAL(face1_receivedDatas .size(), 1);

	BOOST_CHECK_EQUAL(face1_receivedInterests[0].getLocalControlHeader().hasIncomingFaceId(), false);
	BOOST_CHECK_EQUAL(face1_receivedInterests[0].getLocalControlHeader().hasNextHopFaceId(), true);
	BOOST_CHECK_EQUAL(face1_receivedInterests[0].getNextHopFaceId(), 111);

	BOOST_CHECK_EQUAL(face1_receivedDatas[0].getLocalControlHeader().hasIncomingFaceId(), false);
	BOOST_CHECK_EQUAL(face1_receivedDatas[0].getLocalControlHeader().hasNextHopFaceId(), false);
	}

	BOOST_AUTO_TEST_SUITE_END()

	} // namespace tests
	} // namespace nfd