/* Menes - C++ High-Level Utility Library
 * Copyright (C) 2004-2005  Jay Freeman (saurik)
*/

/*
 *        Redistribution and use in source and binary
 * forms, with or without modification, are permitted
 * provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation
 *    and/or other materials provided with the
 *    distribution.
 * 3. The name of the author may not be used to endorse
 *    or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "cxx/standard.hh"
#pragma hdrstop("build/cxx/standard.pch")

#include "api/posix/address.hpp"

namespace api {
namespace Posix {

void Address::ToString(cse::String &host, cse::String &service, bool resolve) const {
    char chost[NI_MAXHOST], cservice[NI_MAXSERV];

    int error(::getnameinfo(
        GetAddr(), GetSize(),
        chost, sizeof(chost),
        cservice, sizeof(cservice),
        resolve ? NI_NUMERICSERV : NI_NUMERICHOST | NI_NUMERICSERV
    ));

    if (error != 0)
        throw Error();

    host = chost;
    service = cservice;
}

_L<Address> Address::Resolve(const cse::String &node, const cse::String &service) {
    ::addrinfo hints, *info(NULL);
    ::memset(&hints, 0, sizeof(hints));
    hints.ai_socktype = SOCK_STREAM;
    CheckGaiError(::getaddrinfo(node.NullTerminate(), service.NullTerminate(), &hints, &info));
    _L<Address> addresses;
    for (::addrinfo *entry(info); entry != NULL; entry = entry->ai_next)
        addresses.InsertLast(Address(entry->ai_addr, entry->ai_addrlen));
    ::freeaddrinfo(info);
    return addresses;
}

InternetAddress::Port InternetAddress::GetPort() const {
    return ntohs(GetAddr_()->sin_port);
}

void InternetAddress::SetPort(Port port) {
    GetAddr_()->sin_port = htons(port);
}

uint32_t InternetAddress::GetHost() const {
    return ntohl(GetAddr_()->sin_addr.s_addr);
}

void InternetAddress::SetHost(uint32_t host) {
    GetAddr_()->sin_addr.s_addr = htonl(host);
}

ios::PrintWriter &operator <<(ios::PrintWriter &out, const Address &address) {
    cse::String host, service;
    address.ToString(host, service);

    bool colon(ext::Contains(host, ':'));
    if (colon)
        out << "[";
    out << host;
    if (colon)
        out << "]";

    out << ":" << service;

    return out;
}

} }