#include <boost/interprocess/managed_mapped_file.hpp>
#include <boost/interprocess/containers/map.hpp>
//#include <string>
#include <boost/interprocess/containers/string.hpp>
#include "boost/filesystem.hpp"
#include <iostream>
#include <string>


//using namespace boost::interprocess;
typedef boost::interprocess::allocator<char, boost::interprocess::managed_mapped_file::segment_manager> CCharAllocator;
typedef boost::interprocess::basic_string<char, std::char_traits<char>, CCharAllocator> CString;


typedef boost::interprocess::allocator<std::pair<CString, unsigned __int64>, boost::interprocess::managed_mapped_file::segment_manager> CMapAllocator;
typedef boost::interprocess::map<CString, unsigned __int64, std::less<CString>, CMapAllocator> CMap;


int main(int argc, char **argv)
{
	try
	{	boost::interprocess::managed_mapped_file sFile(
		     boost::interprocess::open_or_create,      
		    "MyMappedFile.dat",
		    1024*1024*1024);
		//CMapAllocator sAllocator(sFile);
		CMap *const pMap= sFile.find_or_construct<CMap>("map")(CMap::key_compare(), CMap::stored_allocator_type(sFile.get_segment_manager()));
		std::string sLine;
		while (std::getline(std::cin, sLine))
		{	//CString sLine(CString::stored_allocator_type(sFile.get_segment_manager()));
			if (boost::filesystem::exists(sLine) && boost::filesystem::is_regular(sLine))
				if (argc != 1)
				{	CMap::const_iterator p = pMap->find(CString(sLine.c_str(), sLine.size(), CCharAllocator(sFile.get_segment_manager())));
					if (p != pMap->end())
						std::cout << p->second << "\n";
					else
						std::cout << "not found\n";
				}
				else
					pMap->insert(std::make_pair(CString(sLine.c_str(), sLine.size(), CCharAllocator(sFile.get_segment_manager())), boost::filesystem::file_size(sLine)));
		}
	} catch (const std::exception &_r)
	{	std::cerr << _r.what() << "\n";
		return 1;
	}
	return 0;
}