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/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/Network/HostAddress.h>

#include <cassert>
#include <stdexcept>
#include <string>

#include <boost/array.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/numeric/conversion/cast.hpp>

#include <Swiften/Base/foreach.h>

static boost::asio::ip::address localhost4 = boost::asio::ip::address(boost::asio::ip::address_v4::loopback());
static boost::asio::ip::address localhost6 = boost::asio::ip::address(boost::asio::ip::address_v6::loopback());

namespace Swift {

HostAddress::HostAddress() {
}

HostAddress::HostAddress(const std::string& address) {
    try {
        address_ = boost::asio::ip::address::from_string(address);
    }
    catch (const std::exception&) {
    }
}

HostAddress::HostAddress(const unsigned char* address, size_t length) {
    assert(length == 4 || length == 16);
    if (length == 4) {
        boost::asio::ip::address_v4::bytes_type data;
        for (size_t i = 0; i < length; ++i) {
            data[i] = address[i];
        }
        address_ = boost::asio::ip::address(boost::asio::ip::address_v4(data));
    }
    else {
        boost::asio::ip::address_v6::bytes_type data;
        for (size_t i = 0; i < length; ++i) {
            data[i] = address[i];
        }
        address_ = boost::asio::ip::address(boost::asio::ip::address_v6(data));
    }
}

HostAddress::HostAddress(const boost::asio::ip::address& address) : address_(address) {
}

std::string HostAddress::toString() const {
    return address_.to_string();
}

bool HostAddress::isValid() const {
    return !(address_.is_v4() && address_.to_v4().to_ulong() == 0);
}

boost::asio::ip::address HostAddress::getRawAddress() const {
    return address_;
}

bool HostAddress::isLocalhost() const {
    return address_ == localhost4 || address_ == localhost6;
}

}