diff options
Diffstat (limited to 'src/io_thread.cpp')
-rw-r--r-- | src/io_thread.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/io_thread.cpp b/src/io_thread.cpp new file mode 100644 index 0000000..fac6961 --- /dev/null +++ b/src/io_thread.cpp @@ -0,0 +1,105 @@ +/* + Copyright (c) 2007-2010 iMatix Corporation + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the Lesser GNU 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 + Lesser GNU General Public License for more details. + + You should have received a copy of the Lesser GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <new> + +#include "../include/zmq.h" + +#include "io_thread.hpp" +#include "platform.hpp" +#include "err.hpp" +#include "ctx.hpp" + +zmq::io_thread_t::io_thread_t (ctx_t *ctx_, + uint32_t thread_slot_) : + object_t (ctx_, thread_slot_) +{ + poller = new (std::nothrow) poller_t; + zmq_assert (poller); + + signaler_handle = poller->add_fd (signaler.get_fd (), this); + poller->set_pollin (signaler_handle); +} + +zmq::io_thread_t::~io_thread_t () +{ + delete poller; +} + +void zmq::io_thread_t::start () +{ + // Start the underlying I/O thread. + poller->start (); +} + +void zmq::io_thread_t::stop () +{ + send_stop (); +} + +zmq::signaler_t *zmq::io_thread_t::get_signaler () +{ + return &signaler; +} + +int zmq::io_thread_t::get_load () +{ + return poller->get_load (); +} + +void zmq::io_thread_t::in_event () +{ + // TODO: Do we want to limit number of commands I/O thread can + // process in a single go? + + while (true) { + + // Get the next command. If there is none, exit. + command_t cmd; + if (!signaler.recv (&cmd, false)) + break; + + // Process the command. + cmd.destination->process_command (cmd); + } +} + +void zmq::io_thread_t::out_event () +{ + // We are never polling for POLLOUT here. This function is never called. + zmq_assert (false); +} + +void zmq::io_thread_t::timer_event () +{ + // No timers here. This function is never called. + zmq_assert (false); +} + +zmq::poller_t *zmq::io_thread_t::get_poller () +{ + zmq_assert (poller); + return poller; +} + +void zmq::io_thread_t::process_stop () +{ + poller->rm_fd (signaler_handle); + poller->stop (); +} |