/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
 * Copyright (C) 2013 Regents of the University of California.
 * @author: Jeff Thompson <jefft0@remap.ucla.edu>
 * See COPYING for copyright and distribution information.
 */

#ifndef NDN_COMMON_HPP
#define NDN_COMMON_HPP

#include "ndn-cpp-config.h"
#include <stdint.h>
// TODO: Is stddef.h portable?
#include <stddef.h>
#include <unistd.h>

// Standard headers to precompile

#include <vector>
#include <list>
#include <set>
#include <algorithm>
#include <map>
#include <sstream>
#include <fstream>
#include <exception>
#include <map>

// Other useful headers to precompile
#include <boost/lexical_cast.hpp>
#include <boost/asio.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>

#include <boost/iostreams/detail/ios.hpp>
#include <boost/iostreams/categories.hpp>
#include <boost/iostreams/stream.hpp>

#if NDN_CPP_HAVE_CXX11

#if (__cplusplus < 201103L)
#error "NDN-CPP-DEV library is configured and compiled in C++11 mode, but the current compiler is not C++11 enabled"
#endif

#include <memory>
#include <functional>

namespace ndn {

namespace ptr_lib = std;
namespace func_lib = std;

using std::noncopyable;

using std::shared_ptr;
using std::make_shared;
using std::enable_shared_from_this;

using std::function;
using std::bind;
using std::placeholders; // _1, _2, ..

} // namespace ndn


#else

#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/make_shared.hpp>

#include <boost/function.hpp>
#include <boost/bind.hpp>

namespace ndn {

namespace ptr_lib = boost;
namespace func_lib = boost;

using boost::noncopyable;

using boost::shared_ptr;
using boost::make_shared;
using boost::enable_shared_from_this;

using boost::function;
using boost::bind;

} // namespace ndn

#endif

namespace ndn {


/**
 * A time interval represented as the number of milliseconds.
 */
typedef int64_t Milliseconds;
   
/**
 * The calendar time represented as the number of milliseconds since 1/1/1970.
 */
typedef int64_t MillisecondsSince1970;

/**
 * Return the hex representation of the bytes in array.
 * @param array The array of bytes.
 * @return Hex string.
 */
std::string 
toHex(const std::vector<uint8_t>& array);

MillisecondsSince1970
getNow();

}

#endif