uhd

//

// Copyright 2011 Ettus Research LLC

//

// This program is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

//

#include <uhd/types/mac_addr.hpp>

#include <uhd/exception.hpp>

#include <boost/tokenizer.hpp>

#include <boost/foreach.hpp>

#include <boost/format.hpp>

#include <boost/cstdint.hpp>

#include <sstream>

using namespace uhd;

mac_addr_t::mac_addr_t(const byte_vector_t &bytes) : _bytes(bytes){

    UHD_ASSERT_THROW(_bytes.size() == 6);

}

mac_addr_t mac_addr_t::from_bytes(const byte_vector_t &bytes){

    return mac_addr_t(bytes);

}

mac_addr_t mac_addr_t::from_string(const std::string &mac_addr_str){

    byte_vector_t bytes;

    try{

        if (mac_addr_str.size() != 17){

            throw uhd::value_error("expected exactly 17 characters");

        }

        //split the mac addr hex string at the colons

        boost::tokenizer<boost::char_separator<char> > hex_num_toks(

            mac_addr_str, boost::char_separator<char>(":"));

        BOOST_FOREACH(const std::string &hex_str, hex_num_toks){

            int hex_num;

            std::istringstream iss(hex_str);

            iss >> std::hex >> hex_num;

            bytes.push_back(boost::uint8_t(hex_num));

        }

    }

    catch(std::exception const& e){

        throw uhd::value_error(str(

            boost::format("Invalid mac address: %s\n\t%s") % mac_addr_str % e.what()

        ));

    }

    return mac_addr_t::from_bytes(bytes);

}

byte_vector_t mac_addr_t::to_bytes(void) const{

    return _bytes;

}

std::string mac_addr_t::to_string(void) const{

    std::string addr = "";

    BOOST_FOREACH(boost::uint8_t byte, this->to_bytes()){

        addr += str(boost::format("%s%02x") % ((addr == "")?"":":") % int(byte));

    }

    return addr;

}