#include <functional>
#include <utility>
#include <string>
#include <iostream>
///////////////////////////////////////////////////////////
#define BOOST_DATE_TIME_NO_LIB 1
#include <boost/lexical_cast.hpp>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/containers/map.hpp>
#include <boost/interprocess/allocators/allocator.hpp>
///////////////////////////////////////////////////////////

using std::cout;
using std::endl;

/**
 * If argc == 3 -> delete the shared memory segment.
 * If argc == 2 -> assign some data to the shared memory map.
 * Else write out the contents of the map.
 */
int main (int argc, char** argv)
{
  if (argc == 3)
  {
    boost::interprocess::shared_memory_object::remove("SharedMem0x4");
    return 1;
  }

  typedef char                           char_type;
  typedef std::basic_string<char_type>   string_type;

  typedef int            key_type;
  typedef string_type    mapped_type;
  //typedef float          mapped_type;
  typedef std::pair<key_type, mapped_type> value_type;

  typedef
  boost::interprocess::allocator<
      value_type
    , boost::interprocess::managed_shared_memory::segment_manager
  >
  allocator_type;

  typedef boost::interprocess::managed_shared_memory  memory_type;
     
  typedef
  boost::interprocess::map<
      key_type, mapped_type, std::less<key_type>, allocator_type
  >
  map_type;

  memory_type segment
         (boost::interprocess::open_or_create
         ,"SharedMem0x4"
         ,65536);

  allocator_type alloc_inst(segment.get_segment_manager());

  const char_type* id = "ident";
  map_type* smap = segment.find_or_construct<map_type>(id)
                                    (std::less<key_type>()
                                    ,alloc_inst);
  
  if (argc == 2)
  {
    //(*smap)[0] = 42;
    //(*smap)[2] = 39;
    (*smap)[0] = "blah";
    (*smap)[2] = "wom";
  }

  cout<< smap->size() << endl;

  for (map_type::const_iterator iter = smap->begin(), end = smap->end()
      ; iter != end
      ; ++iter )
  {
    cout<< "(" << iter->first << ", " << iter->second << ") ";
    cout.flush();
  }
  cout<< endl;
     
  return 0;
}