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libzmq/src/tipc_address.cpp
2014-01-02 12:00:57 +01:00

110 lines
2.9 KiB
C++

/*
Copyright (c) 2007-2014 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 "tipc_address.hpp"
#if defined ZMQ_HAVE_TIPC
#include "err.hpp"
#include <string>
#include <sstream>
zmq::tipc_address_t::tipc_address_t ()
{
memset (&address, 0, sizeof (address));
}
zmq::tipc_address_t::tipc_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_TIPC) {
memcpy(&address, sa, sa_len);
}
}
zmq::tipc_address_t::~tipc_address_t ()
{
}
int zmq::tipc_address_t::resolve (const char *name)
{
int res;
unsigned int type = 0;
unsigned int lower = 0;
unsigned int upper = 0;
res = sscanf(name, "{%u,%u,%u}", &type, &lower, &upper);
if (res == 3)
goto nameseq;
else if (res == 2 && type > TIPC_RESERVED_TYPES) {
address.family = AF_TIPC;
address.addrtype = TIPC_ADDR_NAME;
address.addr.name.name.type = type;
address.addr.name.name.instance = lower;
/* Since we can't specify lookup domain when connecting
* (and we're not sure that we want it to be configurable)
* Change from 'closest first' approach, to search entire zone */
address.addr.name.domain = tipc_addr(1, 0, 0);
address.scope = 0;
return 0;
}
else
return EINVAL;
nameseq:
if (type < TIPC_RESERVED_TYPES || upper < lower)
return EINVAL;
address.family = AF_TIPC;
address.addrtype = TIPC_ADDR_NAMESEQ;
address.addr.nameseq.type = type;
address.addr.nameseq.lower = lower;
address.addr.nameseq.upper = upper;
address.scope = TIPC_ZONE_SCOPE;
return 0;
}
int zmq::tipc_address_t::to_string (std::string &addr_)
{
if (address.family != AF_TIPC) {
addr_.clear ();
return -1;
}
std::stringstream s;
s << "tipc://" << "{" << address.addr.nameseq.type;
s << ", " << address.addr.nameseq.lower;
s << ", " << address.addr.nameseq.upper << "}";
addr_ = s.str ();
return 0;
}
const sockaddr *zmq::tipc_address_t::addr () const
{
return (sockaddr*) &address;
}
socklen_t zmq::tipc_address_t::addrlen () const
{
return (socklen_t) sizeof (address);
}
#endif