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/*
Copyright (c) 2007-2011 iMatix Corporation
Copyright (c) 2007-2011 Other 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 "named_session.hpp"
#include "socket_base.hpp"
zmq::named_session_t::named_session_t (class io_thread_t *io_thread_,
socket_base_t *socket_, const options_t &options_,
const blob_t &name_) :
session_t (io_thread_, socket_, options_),
name (name_)
{
// Make double sure that the session has valid name.
zmq_assert (!name.empty ());
zmq_assert (name [0] != 0);
if (!socket_->register_session (name, this)) {
// TODO: There's already a session with the specified
// identity. We should log the error and drop the
// session.
zmq_assert (false);
}
}
zmq::named_session_t::~named_session_t ()
{
// Unregister the session from the global list of named sessions.
if (!name.empty ())
unregister_session (name);
}
void zmq::named_session_t::attached (const blob_t &peer_identity_)
{
if (!name.empty ()) {
// If both IDs are temporary, no checking is needed.
// TODO: Old ID should be reused in this case...
if (name.empty () || name [0] != 0 ||
peer_identity_.empty () || peer_identity_ [0] != 0) {
// If we already know the peer name do nothing, just check whether
// it haven't changed.
zmq_assert (name == peer_identity_);
}
}
else if (!peer_identity_.empty ()) {
// Store the peer identity.
name = peer_identity_;
// Register the session using the peer name.
if (!register_session (name, this)) {
// TODO: There's already a session with the specified
// identity. We should presumably syslog it and drop the
// session.
zmq_assert (false);
}
}
}
void zmq::named_session_t::detached ()
{
// Do nothing. Named sessions are never destroyed because of disconnection,
// neither they have to actively reconnect.
}
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