C++ registerHandler函数代码示例

int main(int argc, char **argv)
{
	initFoomatic();
	registerHandler("apsfilter:", initAps, parseApsFile);
	registerHandler("lprngtool:", initIfhp, parseIfhpFile);
	return execute(argc, argv);
}

void CorrespondenceEstimation::prepareInterface() {
	// Register src-trg related data streams.
	registerStream("in_src_cloud_xyzsift", &in_src_cloud_xyzsift);
	registerStream("in_trg_cloud_xyzsift", &in_trg_cloud_xyzsift);
	registerStream("out_correspondences", &out_src_trg_correspondences);
	registerStream("out_corest", &out_corest);

	// Register lum related data streams.
	registerStream("in_lum_xyzsift", &in_lum_xyzsift);
	registerStream("out_lum_xyzsift", &out_lum_xyzsift);

	// Register models-scene related data streams.
	registerStream("in_scene_cloud_xyzsift", &in_trg_cloud_xyzsift);
	registerStream("in_model_clouds_xyzsift", &in_model_clouds_xyzsift);
	registerStream("out_models_scene_correspondences", &out_models_scene_correspondences);

	// Register src-trg correspondence estimation handler.
	registerHandler("estimateCorrespondencesForPairOfClouds", boost::bind(&CorrespondenceEstimation::estimateCorrespondencesForPairOfClouds, this));
	addDependency("estimateCorrespondencesForPairOfClouds", &in_src_cloud_xyzsift);
	addDependency("estimateCorrespondencesForPairOfClouds", &in_trg_cloud_xyzsift);

	// Register lum-related correspondence estimation handler.
	registerHandler("estimateCorrespondencesForLUMGraph", boost::bind(&CorrespondenceEstimation::estimateCorrespondencesForLUMGraph, this));
	addDependency("estimateCorrespondencesForLUMGraph", &in_lum_xyzsift);

	// Register src-trg correspondence estimation handler.
	registerHandler("estimateCorrespondencesBeteenModelsAndScene", boost::bind(&CorrespondenceEstimation::estimateCorrespondencesBeteenModelsAndScene, this));
	addDependency("estimateCorrespondencesBeteenModelsAndScene", &in_trg_cloud_xyzsift);
	addDependency("estimateCorrespondencesBeteenModelsAndScene", &in_model_clouds_xyzsift);

}

void PassThrough::prepareInterface() {
    // Register data streams, events and event handlers HERE!
    registerStream("in_cloud_xyz", &in_cloud_xyz);
    registerStream("in_cloud_xyzrgb", &in_cloud_xyzrgb);
    registerStream("in_cloud_xyzsift", &in_cloud_xyzsift);
    registerStream("in_cloud_xyzshot", &in_cloud_xyzshot);
    registerStream("out_cloud_xyz", &out_cloud_xyz);
    registerStream("out_cloud_xyzrgb", &out_cloud_xyzrgb);
    registerStream("out_cloud_xyzsift", &out_cloud_xyzsift);
    registerStream("out_cloud_xyzshot", &out_cloud_xyzshot);
    // Register handlers
    registerHandler("filter_xyz", boost::bind(&PassThrough::filter_xyz, this));
    addDependency("filter_xyz", &in_cloud_xyz);

    registerHandler("filter_xyzrgb", boost::bind(&PassThrough::filter_xyzrgb, this));
    addDependency("filter_xyzrgb", &in_cloud_xyzrgb);

    registerHandler("filter_xyzsift", boost::bind(&PassThrough::filter_xyzsift, this));
    addDependency("filter_xyzsift", &in_cloud_xyzsift);

    registerHandler("filter_xyzshot", boost::bind(&PassThrough::filter_xyzshot, this));
    addDependency("filter_xyzshot", &in_cloud_xyzshot);

    registerHandler("filter_xyz_rgb_shot_sift", boost::bind(&PassThrough::filter_xyz_rgb_shot_sift, this));
    addDependency("filter_xyz_rgb_shot_sift", &in_cloud_xyzshot);
    addDependency("filter_xyz_rgb_shot_sift", &in_cloud_xyzsift);
    addDependency("filter_xyz_rgb_shot_sift", &in_cloud_xyzrgb);
}

void CvWindow_Sink::prepareInterface() {
	CLOG(LTRACE) << "CvWindow_Sink::configure\n";

	h_onRefresh.setup(this, &CvWindow_Sink::onRefresh);
	registerHandler("onRefresh", &h_onRefresh);

	addDependency("onRefresh", NULL);

	Base::EventHandler2 * hand;
	for (int i = 0; i < count; ++i) {
		char id = '0' + i;
		hand = new Base::EventHandler2;
		hand->setup(boost::bind(&CvWindow_Sink::onNewImageN, this, i));
		handlers.push_back(hand);
		registerHandler(std::string("onNewImage") + id, hand);

		Base::DataStreamIn<cv::Mat, Base::DataStreamBuffer::Newest,
				Base::Synchronization::Mutex> * stream =
				new Base::DataStreamIn<cv::Mat, Base::DataStreamBuffer::Newest,
						Base::Synchronization::Mutex>;
		in_img.push_back(stream);
		registerStream(std::string("in_img") + id,
				(Base::DataStreamInterface*) (in_img[i]));
		addDependency(std::string("onNewImage") + id, stream);

		in_draw.push_back(new Base::DataStreamInPtr<Types::Drawable>);
		registerStream(std::string("in_draw") + id, in_draw[i]);

		out_point.push_back(new Base::DataStreamOut<cv::Point>);
		registerStream(std::string("out_point") + id, out_point[i]);

		// save handlers
		hand = new Base::EventHandler2;
		hand->setup(boost::bind(&CvWindow_Sink::onSaveImageN, this, i));
		handlers.push_back(hand);
		registerHandler(std::string("onSaveImage") + id, hand);
	}

	h_onSaveAllImages.setup(this, &CvWindow_Sink::onSaveAllImages);
	registerHandler("onSaveAllImages", &h_onSaveAllImages);

	// register aliases for first handler and streams
	registerHandler("onNewImage", handlers[0]);
	registerStream("in_img", in_img[0]);
	registerStream("in_draw", in_draw[0]);

	img.resize(count);
	to_draw.resize(count);

	// Split window titles.
	std::string t = title;
	boost::split(titles, t, boost::is_any_of(","));
	if ((titles.size() == 1) && (count > 1))
		titles.clear();
	for (int i = titles.size(); i < count; ++i) {
		char id = '0' + i;
		titles.push_back(std::string(title) + id);
	}
}

LDSTQNetProtocol::LDSTQNetProtocol(InterConnection *net, RouterID_t rID)
  : ProtocolBase(net, rID)
{
  ProtocolCBBase *pcb = new ProtocolCB<LDSTQNetProtocol,&LDSTQNetProtocol::LookUpMsgHandler>(this);
  registerHandler(pcb,LookUpMsg);

  pcb = new ProtocolCB<LDSTQNetProtocol,&LDSTQNetProtocol::RetLookUpMsgHandler>(this);
  registerHandler(pcb,RetLookUpMsg);

  protocols.push_back(this);
}

void ImageWriter::prepareInterface() {
	CLOG(LTRACE) << name() << "::prepareInterface()";

	// Register handlers
	Base::EventHandler2 * hand;
	for (int i = 0; i < count; ++i) {
		char id = '0'+i;
		hand = new Base::EventHandler2;
		hand->setup(boost::bind(&ImageWriter::write_image_N, this, i));
		handlers.push_back(hand);
		registerHandler(std::string("write_image_")+id, hand);

		Base::DataStreamIn<cv::Mat, Base::DataStreamBuffer::Newest> * stream = new Base::DataStreamIn<cv::Mat, Base::DataStreamBuffer::Newest>;
		in_img.push_back(stream);
		registerStream( std::string("in_img")+id, (Base::DataStreamInterface*)(in_img[i]));
		addDependency(std::string("write_image_")+id, stream);

		// Add n flags for manual trigger.
		bool tmp_flag = false;
		save_flags.push_back(tmp_flag);
	}


	// register aliases for first handler and streams
	registerHandler("write_image", handlers[0]);
	registerStream("in_img", in_img[0]);

	counts.resize(count, 0);

	std::string t = base_name;
	boost::split(base_names, t, boost::is_any_of(","));
	if ( (base_names.size() == 1) && (count > 1) ) base_names.clear();
	for (int i = base_names.size(); i < count; ++i) {
		char id = '0' + i;
		base_names.push_back(std::string(base_name) + id);
	}

	std::string f = format;
	boost::split(formats, f, boost::is_any_of(","));
	if ( (formats.size() == 1) && (count > 1) ) formats.clear();
	for (int i = formats.size(); i < count; ++i) {
		formats.push_back(format);
	}

    // Register handlers - next image, can be triggered manually (from GUI) or by new data present in_load_next_image_trigger dataport.
    // 1st version - manually.
    registerHandler("SaveImage", boost::bind(&ImageWriter::onSaveButtonPressed, this));

    // 2nd version - external trigger.
    registerHandler("onSaveTriggered", boost::bind(&ImageWriter::onSaveTriggered, this));
    addDependency("onSaveTriggered", &in_trigger);

}

  ProtocolA(InterConnection *net, RouterID_t rID)
    : ProtocolBase(net, rID) {
  
    ProtocolCBBase *pcb = new ProtocolCB<ProtocolA,&ProtocolA::TestHandler>(this);
    registerHandler(pcb,TestMsg);

    pcb = new ProtocolCB<ProtocolA,&ProtocolA::TestAckHandler>(this);
    registerHandler(pcb,TestAckMsg);

    pcb = new ProtocolCB<ProtocolA,&ProtocolA::defaultHandler>(this);
    registerHandler(pcb,DefaultMessage);
  };

void PCDReader::prepareInterface() {
	// Register data streams.
    registerStream("in_trigger", &in_trigger);
	registerStream("out_cloud_xyz", &out_cloud_xyz);
	registerStream("out_cloud_xyzrgb", &out_cloud_xyzrgb);
    registerStream("out_cloud_xyzsift", &out_cloud_xyzsift);

    // Register handlers
    registerHandler("Read", boost::bind(&PCDReader::Read, this));

    registerHandler("onTriggeredLoadNextCloud", boost::bind(&PCDReader::onTriggeredLoadNextCloud, this));
    addDependency("onTriggeredLoadNextCloud", &in_trigger);
}

void HomogMatrixVector::prepareInterface() {
	// Register data streams, events and event handlers HERE!
	registerStream("in_hm", &in_hm);
	registerStream("in_hms", &in_hms);
	registerStream("out_hms", &out_hms);
	// Register handlers
	registerHandler("create_vector", boost::bind(&HomogMatrixVector::create_vector, this));
	addDependency("create_vector", &in_hm);
	registerHandler("expand_vector", boost::bind(&HomogMatrixVector::expand_vector, this));
	addDependency("expand_vector", &in_hms);
	addDependency("expand_vector", &in_hm);

}

void ModelReader::prepareInterface() {
	// Register data streams, events and event handlers HERE!
	registerStream("out_img", &out_img);
	registerStream("out_points_2", &out_points_2);
	registerStream("out_points_3", &out_points_3);
	registerStream("out_model_info", &out_model_info);
	// Register handlers
	registerHandler("step", boost::bind(&ModelReader::step, this));
	addDependency("step", NULL);
	registerHandler("readNextModel", boost::bind(&ModelReader::readNextModel, this));
	registerHandler("readPreviousModel", boost::bind(&ModelReader::readPreviousModel, this));

}

void AsyncPipeWriter::handleWrite() {
  DestructorGuard dg(this);
  assert(!queue_.empty());
  do {
    auto& front = queue_.front();
    folly::IOBufQueue& curQueue = front.first;
    DCHECK(!curQueue.empty());
    // someday, support writev.  The logic for partial writes is a bit complex
    const IOBuf* head = curQueue.front();
    CHECK(head->length());
#if _WIN32
    // On Windows you can't call write on a socket.
    ssize_t rc = folly::fileutil_detail::wrapNoInt(
        send_internal, fd_, head->data(), head->length());
#else
    ssize_t rc = folly::writeNoInt(fd_.toFd(), head->data(), head->length());
#endif
    if (rc < 0) {
      if (errno == EAGAIN || errno == EWOULDBLOCK) {
        // pipe is full
        VLOG(5) << "write blocked";
        registerHandler(EventHandler::WRITE);
        return;
      } else {
        failAllWrites(AsyncSocketException(
            AsyncSocketException::INTERNAL_ERROR, "write failed", errno));
        closeNow();
        return;
      }
    } else if (rc == 0) {
      registerHandler(EventHandler::WRITE);
      return;
    }
    curQueue.trimStart(size_t(rc));
    if (curQueue.empty()) {
      auto cb = front.second;
      queue_.pop_front();
      if (cb) {
        cb->writeSuccess();
      }
    } else {
      VLOG(5) << "partial write blocked";
    }
  } while (!queue_.empty());

  if (closeOnEmpty_) {
    closeNow();
  } else {
    unregisterHandler();
  }
}

void CvBayesClassifier::prepareInterface() {
	// Register handlers with their dependencies.
	registerHandler("onNewData", boost::bind(&CvBayesClassifier::onNewData, this));
	addDependency("onNewData", &in_moments);

	// Add to dataset.
	registerHandler("Training dataset add sample", boost::bind(&CvBayesClassifier::onAddToDataset, this));

	// Clear dataset.
	registerHandler("Training dataset clear", boost::bind(&CvBayesClassifier::onClearDataset, this));

	// Display dataset.
	registerHandler("Training dataset display", boost::bind(&CvBayesClassifier::onDisplayDataset, this));

	// Bayes: clear.
	registerHandler("Bayes reset", boost::bind(&CvBayesClassifier::onBayesClear, this));

	// Bayes: Training.
	registerHandler("Bayes train classifier with dataset", boost::bind(&CvBayesClassifier::onBayesTraining, this));

	// Bayes: Save.
	registerHandler("Bayes save parameters to file", boost::bind(&CvBayesClassifier::onBayesSave, this));

	// Bayes: Load.
	registerHandler("Bayes load parameters from file", boost::bind(&CvBayesClassifier::onBayesLoad, this));

	// Input data stream.
	registerStream("in_moments", &in_moments);

}

bool ExecTimer::onInit() {
	LOG(LTRACE) << "ExecTimer::initialize\n";

	h_onStartExec.setup(this, &ExecTimer::onStartExec);
	registerHandler("onStartExec", &h_onStartExec);

	h_onStopExec.setup(this, &ExecTimer::onStopExec);
	registerHandler("onStopExec", &h_onStopExec);

	stopped = registerEvent("stopped");
	started = registerEvent("started");

	return true;
}

void ClustersViewer::prepareInterface() {
	// Register data streams, events and event handlers HERE!
	registerStream("in_clouds", &in_clouds);
    registerStream("in_projections", &in_projections);
	// Register handlers
    registerHandler("on_clouds", boost::bind(&ClustersViewer::on_clouds, this));
	addDependency("on_clouds", &in_clouds);
    registerHandler("on_projections", boost::bind(&ClustersViewer::on_projections, this));
    addDependency("on_projections", &in_projections);
	
	// Register spin handler.
    registerHandler("on_spin", boost::bind(&ClustersViewer::on_spin, this));
	addDependency("on_spin", NULL);

}

void TORecognize::prepareInterface() {
	// Input and output data streams.
	registerStream("in_img", &in_img);
	registerStream("out_img_all_correspondences", &out_img_all_correspondences);
	registerStream("out_img_good_correspondences", &out_img_good_correspondences);
	registerStream("out_img_object", &out_img_object);

	// Register handlers with their dependencies.
	registerHandler("onNewImage", boost::bind(&TORecognize::onNewImage, this));
	addDependency("onNewImage", &in_img);

	// Register handler - load model manually.
	registerHandler("Load model", boost::bind(&TORecognize::onLoadModelButtonPressed, this));

}