mirror of
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103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
/*
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Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file
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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 <new>
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#include "io_thread.hpp"
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#include "platform.hpp"
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#include "err.hpp"
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#include "ctx.hpp"
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zmq::io_thread_t::io_thread_t (ctx_t *ctx_, uint32_t tid_) :
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object_t (ctx_, tid_)
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{
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poller = new (std::nothrow) poller_t (*ctx_);
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alloc_assert (poller);
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mailbox_handle = poller->add_fd (mailbox.get_fd (), this);
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poller->set_pollin (mailbox_handle);
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}
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zmq::io_thread_t::~io_thread_t ()
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{
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delete poller;
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}
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void zmq::io_thread_t::start ()
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{
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// Start the underlying I/O thread.
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poller->start ();
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}
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void zmq::io_thread_t::stop ()
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{
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send_stop ();
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}
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zmq::mailbox_t *zmq::io_thread_t::get_mailbox ()
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{
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return &mailbox;
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}
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int zmq::io_thread_t::get_load ()
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{
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return poller->get_load ();
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}
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void zmq::io_thread_t::in_event ()
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{
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// TODO: Do we want to limit number of commands I/O thread can
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// process in a single go?
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command_t cmd;
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int rc = mailbox.recv (&cmd, 0);
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while (rc == 0 || errno == EINTR) {
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if (rc == 0)
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cmd.destination->process_command (cmd);
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rc = mailbox.recv (&cmd, 0);
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}
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errno_assert (rc != 0 && errno == EAGAIN);
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}
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void zmq::io_thread_t::out_event ()
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{
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// We are never polling for POLLOUT here. This function is never called.
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zmq_assert (false);
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}
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void zmq::io_thread_t::timer_event (int)
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{
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// No timers here. This function is never called.
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zmq_assert (false);
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}
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zmq::poller_t *zmq::io_thread_t::get_poller ()
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{
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zmq_assert (poller);
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return poller;
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}
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void zmq::io_thread_t::process_stop ()
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{
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poller->rm_fd (mailbox_handle);
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poller->stop ();
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}
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