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8e0049e2fb
The ability was inherited from XSUB socket. Now it's properly disabled. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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Copyright (c) 2007-2010 iMatix Corporation
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../include/zmq.h"
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#include "sub.hpp"
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zmq::sub_t::sub_t (class ctx_t *parent_, uint32_t tid_) :
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xsub_t (parent_, tid_)
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{
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options.type = ZMQ_SUB;
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}
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zmq::sub_t::~sub_t ()
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{
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}
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int zmq::sub_t::xsetsockopt (int option_, const void *optval_,
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size_t optvallen_)
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{
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if (option_ != ZMQ_SUBSCRIBE && option_ != ZMQ_UNSUBSCRIBE) {
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errno = EINVAL;
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return -1;
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}
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// Create the subscription message.
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zmq_msg_t msg;
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zmq_msg_init_size (&msg, optvallen_ + 1);
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unsigned char *data = (unsigned char*) zmq_msg_data (&msg);
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if (option_ == ZMQ_SUBSCRIBE)
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*data = 1;
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else if (option_ == ZMQ_UNSUBSCRIBE)
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*data = 0;
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memcpy (data + 1, optval_, optvallen_);
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// Pass it further on in the stack.
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int err = 0;
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int rc = xsub_t::xsend (&msg, 0);
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if (rc != 0)
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err = errno;
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zmq_msg_close (&msg);
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if (rc != 0)
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errno = err;
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return rc;
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}
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int zmq::sub_t::xsend (zmq_msg_t *msg_, int options_)
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{
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// Overload the XSUB's send.
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errno = ENOTSUP;
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return -1;
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}
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bool zmq::sub_t::xhas_out ()
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{
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// Overload the XSUB's send.
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return false;
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}
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