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90 lines
2.9 KiB
90 lines
2.9 KiB
/***********************************************************************
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* Software License Agreement (BSD License)
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*
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* Copyright 2008-2011 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
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* Copyright 2008-2011 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*************************************************************************/
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#ifndef MPI_CLIENT_H_
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#define MPI_CLIENT_H_
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#include <cstdlib>
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#include <boost/asio.hpp>
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#include <FLANN/util/matrix.h>
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#include <FLANN/util/params.h>
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#include "queries.h"
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namespace flann {
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namespace mpi {
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class Client
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{
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public:
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Client(const std::string& host, const std::string& service)
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{
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tcp::resolver resolver(io_service_);
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tcp::resolver::query query(tcp::v4(), host, service);
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iterator_ = resolver.resolve(query);
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}
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template<typename ElementType, typename DistanceType>
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void knnSearch(const flann::Matrix<ElementType>& queries, flann::Matrix<int>& indices, flann::Matrix<DistanceType>& dists, int knn, const SearchParams& params)
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{
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tcp::socket sock(io_service_);
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sock.connect(*iterator_);
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Request<ElementType> req;
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req.nn = knn;
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req.queries = queries;
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req.checks = params.checks;
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// send request
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write_object(sock,req);
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Response<DistanceType> resp;
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// read response
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read_object(sock, resp);
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for (size_t i=0;i<indices.rows;++i) {
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for (size_t j=0;j<indices.cols;++j) {
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indices[i][j] = resp.indices[i][j];
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dists[i][j] = resp.dists[i][j];
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}
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}
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}
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private:
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boost::asio::io_service io_service_;
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tcp::resolver::iterator iterator_;
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};
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} //namespace mpi
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} // namespace flann
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#endif // MPI_CLIENT_H_
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