diff options
author | Dan Klein <danklei@cisco.com> | 2015-08-24 13:22:48 +0300 |
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committer | Dan Klein <danklei@cisco.com> | 2015-08-24 13:22:48 +0300 |
commit | dab741a80699f86e86c91718872a052cca9bbb25 (patch) | |
tree | 1959c4a2cea440170a5113dcb067796cb20ffb64 /external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/tipc_listener.cpp | |
parent | d3f26ece7d4383df0b22fe9c3cb3e695381ec737 (diff) |
Fixed dependencies of Control Plane to use external_lib sources
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/tipc_listener.cpp')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/tipc_listener.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/tipc_listener.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/tipc_listener.cpp new file mode 100644 index 00000000..fb8df6c3 --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/tipc_listener.cpp @@ -0,0 +1,188 @@ + /* + Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file + + This file is part of libzmq, the ZeroMQ core engine in C++. + + libzmq is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License (LGPL) as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + As a special exception, the Contributors give you permission to link + this library with independent modules to produce an executable, + regardless of the license terms of these independent modules, and to + copy and distribute the resulting executable under terms of your choice, + provided that you also meet, for each linked independent module, the + terms and conditions of the license of that module. An independent + module is a module which is not derived from or based on this library. + If you modify this library, you must extend this exception to your + version of the library. + + libzmq 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_listener.hpp" + +#if defined ZMQ_HAVE_TIPC + +#include <new> + +#include <string.h> + +#include "stream_engine.hpp" +#include "tipc_address.hpp" +#include "io_thread.hpp" +#include "session_base.hpp" +#include "config.hpp" +#include "err.hpp" +#include "ip.hpp" +#include "socket_base.hpp" + +#include <unistd.h> +#include <sys/socket.h> +#include <fcntl.h> +#include <linux/tipc.h> + +zmq::tipc_listener_t::tipc_listener_t (io_thread_t *io_thread_, + socket_base_t *socket_, const options_t &options_) : + own_t (io_thread_, options_), + io_object_t (io_thread_), + s (retired_fd), + socket (socket_) +{ +} + +zmq::tipc_listener_t::~tipc_listener_t () +{ + zmq_assert (s == retired_fd); +} + +void zmq::tipc_listener_t::process_plug () +{ + // Start polling for incoming connections. + handle = add_fd (s); + set_pollin (handle); +} + +void zmq::tipc_listener_t::process_term (int linger_) +{ + rm_fd (handle); + close (); + own_t::process_term (linger_); +} + +void zmq::tipc_listener_t::in_event () +{ + fd_t fd = accept (); + + // If connection was reset by the peer in the meantime, just ignore it. + // TODO: Handle specific errors like ENFILE/EMFILE etc. + if (fd == retired_fd) { + socket->event_accept_failed (endpoint, zmq_errno()); + return; + } + + // Create the engine object for this connection. + stream_engine_t *engine = new (std::nothrow) stream_engine_t (fd, options, endpoint); + alloc_assert (engine); + + // Choose I/O thread to run connecter in. Given that we are already + // running in an I/O thread, there must be at least one available. + io_thread_t *io_thread = choose_io_thread (options.affinity); + zmq_assert (io_thread); + + // Create and launch a session object. + session_base_t *session = session_base_t::create (io_thread, false, socket, + options, NULL); + errno_assert (session); + session->inc_seqnum (); + launch_child (session); + send_attach (session, engine, false); + socket->event_accepted (endpoint, fd); +} + +int zmq::tipc_listener_t::get_address (std::string &addr_) +{ + struct sockaddr_storage ss; + socklen_t sl = sizeof (ss); + + int rc = getsockname (s, (sockaddr *) &ss, &sl); + if (rc != 0) { + addr_.clear (); + return rc; + } + + tipc_address_t addr ((struct sockaddr *) &ss, sl); + return addr.to_string (addr_); +} + +int zmq::tipc_listener_t::set_address (const char *addr_) +{ + //convert str to address struct + int rc = address.resolve(addr_); + if (rc != 0) + return -1; + // Create a listening socket. + s = open_socket (AF_TIPC, SOCK_STREAM, 0); + if (s == -1) + return -1; + + address.to_string (endpoint); + + // Bind the socket to tipc name. + rc = bind (s, address.addr (), address.addrlen ()); + if (rc != 0) + goto error; + + // Listen for incomming connections. + rc = listen (s, options.backlog); + if (rc != 0) + goto error; + + socket->event_listening (endpoint, s); + return 0; + +error: + int err = errno; + close (); + errno = err; + return -1; +} + +void zmq::tipc_listener_t::close () +{ + zmq_assert (s != retired_fd); + int rc = ::close (s); + errno_assert (rc == 0); + s = retired_fd; + socket->event_closed (endpoint, s); +} + +zmq::fd_t zmq::tipc_listener_t::accept () +{ + // Accept one connection and deal with different failure modes. + // The situation where connection cannot be accepted due to insufficient + // resources is considered valid and treated by ignoring the connection. + struct sockaddr_storage ss = {}; + socklen_t ss_len = sizeof(ss); + + zmq_assert (s != retired_fd); + fd_t sock = ::accept (s, (struct sockaddr *) &ss, &ss_len); + if (sock == -1) { + errno_assert (errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOBUFS || + errno == EINTR || errno == ECONNABORTED || errno == EPROTO || errno == EMFILE || + errno == ENFILE); + return retired_fd; + } + /*FIXME Accept filters?*/ + return sock; +} + +#endif + |