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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ipc_address.hpp"
#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
#include "err.hpp"
#include <string>
#include <sstream>
zmq::ipc_address_t::ipc_address_t ()
{
memset (&address, 0, sizeof (address));
}
zmq::ipc_address_t::ipc_address_t (const sockaddr *sa, socklen_t sa_len)
{
zmq_assert(sa && sa_len > 0);
memset (&address, 0, sizeof (address));
if (sa->sa_family == AF_UNIX) {
memcpy(&address, sa, sa_len);
}
}
zmq::ipc_address_t::~ipc_address_t ()
{
}
int zmq::ipc_address_t::resolve (const char *path_)
{
if (strlen (path_) >= sizeof (address.sun_path)) {
errno = ENAMETOOLONG;
return -1;
}
#if defined ZMQ_HAVE_LINUX
if (path_[0] == '@' && !path_[1]) {
errno = EINVAL;
return -1;
}
#endif
address.sun_family = AF_UNIX;
strcpy (address.sun_path, path_);
#if defined ZMQ_HAVE_LINUX
/* Abstract sockets on Linux start with '\0' */
if (path_[0] == '@')
*address.sun_path = '\0';
#endif
return 0;
}
int zmq::ipc_address_t::to_string (std::string &addr_)
{
if (address.sun_family != AF_UNIX) {
addr_.clear ();
return -1;
}
std::stringstream s;
#if !defined ZMQ_HAVE_LINUX
s << "ipc://" << address.sun_path;
#else
s << "ipc://";
if (!address.sun_path[0] && address.sun_path[1])
s << "@" << address.sun_path + 1;
else
s << address.sun_path;
#endif
addr_ = s.str ();
return 0;
}
const sockaddr *zmq::ipc_address_t::addr () const
{
return (sockaddr*) &address;
}
socklen_t zmq::ipc_address_t::addrlen () const
{
#if defined ZMQ_HAVE_LINUX
if (!address.sun_path[0] && address.sun_path[1])
return (socklen_t) strlen(address.sun_path + 1) + sizeof (sa_family_t) + 1;
#endif
return (socklen_t) sizeof (address);
}
#endif
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