worker.h

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//==============================================================================
// Copyright (c) 2012, Johannes Meyer, TU Darmstadt
// 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 the Flight Systems and Automatic Control group,
//       TU Darmstadt, 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 HOLDER 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.
//==============================================================================
 
#ifndef UBLOX_GPS_WORKER_H
#define UBLOX_GPS_WORKER_H
 
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/function.hpp>
 
namespace ublox_gps {
 
class Worker {
 public:
  typedef boost::function<void(unsigned char*, std::size_t&)> Callback;
  virtual ~Worker() {}
 
  virtual void setCallback(const Callback& callback) = 0;
 
  virtual void setRawDataCallback(const Callback& callback) = 0;
 
  virtual bool send(const unsigned char* data, const unsigned int size) = 0;
  
  virtual void wait(const boost::posix_time::time_duration& timeout) = 0;
 
  virtual bool isOpen() const = 0;
};
 
}  // namespace ublox_gps
 
#endif  // UBLOX_GPS_WORKER_H