File content as of revision 5:300e7ad2dc1d:

/* Copyright (C) 2012 mbed.org, MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include "Socket/Socket.h"
#include "Socket/Endpoint.h"
#include <cstring>

using std::memset;

Endpoint::Endpoint()  {}
Endpoint::~Endpoint() {}

void Endpoint::reset_address(void) {
    memset(&_remoteHost, 0, sizeof(struct sockaddr_in));
    _ipAddress[0] = '\0';
}

int Endpoint::set_address(const char* host, const int port) {
    //Resolve DNS address or populate hard-coded IP address
    struct hostent *server = ::gethostbyname(host);
    if (server == NULL)
        return -1; //Could not resolve address
    
    reset_address();
    
    // Set IP address
    std::memcpy((char*) &_remoteHost.sin_addr.s_addr,
                (char*) server->h_addr_list[0], server->h_length);
    _remoteHost.sin_family = AF_INET;
    
    // Set port
    _remoteHost.sin_port = htons(port);
    
    return 0;
}

char* Endpoint::get_address() {
    if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0))
            inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress));
    return _ipAddress;
}

int   Endpoint::get_port() {
    return ntohs(_remoteHost.sin_port);
}