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//------------------------------------------------------------------------------
// Author: Ilya Storozhilov
// Description: TCP-endpoint class definition
// Copyright (c) 2013-2014 EPAM Systems
//------------------------------------------------------------------------------
/*
This file is part of Nfstrace.
Nfstrace 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, version 2 of the License.
Nfstrace 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 Nfstrace. If not, see <http://www.gnu.org/licenses/>.
*/
//------------------------------------------------------------------------------
#include <cstring>
#include <stdexcept>
#include <sys/socket.h>
#include "ip_endpoint.h"
//------------------------------------------------------------------------------
IpEndpoint::IpEndpoint(const std::string& host, int port, bool hostAsAddress)
: _addrinfo{}
{
struct addrinfo hints;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags |= AI_NUMERICSERV;
std::string serviceStr{std::to_string(port)};
if(host == WildcardAddress)
{
hints.ai_flags |= AI_PASSIVE;
}
if((host != WildcardAddress) && (host != LoopbackAddress))
{
hints.ai_flags |= AI_CANONNAME;
if(hostAsAddress)
{
hints.ai_flags |= AI_NUMERICHOST;
}
}
int status = getaddrinfo((host == LoopbackAddress) || (host == WildcardAddress) ? nullptr : host.c_str(),
serviceStr.c_str(), &hints, &_addrinfo);
if(status != 0)
{
throw std::runtime_error{gai_strerror(status)};
}
}
IpEndpoint::~IpEndpoint()
{
freeaddrinfo(_addrinfo);
}
//------------------------------------------------------------------------------
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