mapnik/plugins/input/kismet/kismet_datasource.hpp

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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef KISMET_DATASOURCE_HPP
#define KISMET_DATASOURCE_HPP
// STL
#include <list>
// mapnik
#include <mapnik/datasource.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/feature_layer_desc.hpp>
#include <mapnik/wkb.hpp>
// boost
#include <boost/shared_ptr.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/thread.hpp>
// sqlite
#include "kismet_types.hpp"
class kismet_datasource : public mapnik::datasource
{
public:
kismet_datasource(mapnik::parameters const& params, bool bind = true);
virtual ~kismet_datasource ();
int type() const;
static std::string name();
mapnik::featureset_ptr features(mapnik::query const& q) const;
mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt) const;
mapnik::box2d<double> envelope() const;
mapnik::layer_descriptor get_descriptor() const;
void bind() const;
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private:
void run (const std::string& host, const unsigned int port);
mapnik::box2d<double> extent_;
bool extent_initialized_;
std::string host_;
unsigned int port_;
int type_;
std::string srs_;
mutable mapnik::layer_descriptor desc_;
boost::shared_ptr<boost::thread> kismet_thread;
};
#endif // KISMET_DATASOURCE_HPP