/
Reader.hpp
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/
Reader.hpp
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/******************************************************************************
* Copyright (c) 2014, Connor Manning (connor@hobu.co)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
#pragma once
#include <pdal/Reader.hpp>
#include <pdal/ReaderIterator.hpp>
#include <pdal/WebSocketClient.hpp>
namespace pdal
{
namespace drivers
{
namespace greyhound
{
struct DimData
{
DimData(Dimension::Id::Enum id, Dimension::Type::Enum type)
: id(id)
, type(type)
{ }
const Dimension::Id::Enum id;
const Dimension::Type::Enum type;
};
class PDAL_DLL GreyhoundReader : public pdal::Reader
{
public:
SET_STAGE_NAME("drivers.greyhound.reader", "Greyhound Reader")
SET_STAGE_LINK("http://pdal.io/stages/drivers.greyhound.reader.html")
SET_STAGE_ENABLED(true)
GreyhoundReader(const Options& options);
~GreyhoundReader();
virtual StageSequentialIterator* createSequentialIterator() const;
private:
std::string m_uri;
std::string m_pipelineId;
std::string m_sessionId;
std::vector<DimData> m_dimData;
point_count_t m_numPoints;
WebSocketClient m_wsClient;
virtual void initialize();
virtual void processOptions(const Options& options);
virtual void addDimensions(PointContextRef pointContext);
virtual void ready(PointContextRef ctx);
};
namespace iterators
{
namespace sequential
{
class PDAL_DLL Iterator:
public pdal::ReaderSequentialIterator
{
public:
Iterator(
WebSocketClient& wsClient,
std::string sessionId,
std::vector<DimData> dimData,
point_count_t numPoints);
private:
virtual point_count_t readImpl(
PointBuffer& pointBuffer,
point_count_t count);
virtual point_count_t readBufferImpl(PointBuffer& pointBuffer)
{
return readImpl(
pointBuffer,
std::numeric_limits<point_count_t>::max());
}
boost::uint64_t skipImpl(boost::uint64_t pointsToSkip);
virtual bool atEndImpl() const;
point_count_t setPoints(
PointBuffer& pointBuffer,
const char* data,
point_count_t pointsToRead);
WebSocketClient& m_wsClient;
std::string m_sessionId;
std::vector<DimData> m_dimData;
point_count_t m_numPoints;
std::size_t m_pointByteSize;
};
} // namespace sequential
} // namespace iterators
} // namespace greyhound
} // namespace drivers
} // namespace pdal