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author | 2015-08-24 13:22:48 +0300 | |
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committer | 2015-08-24 13:22:48 +0300 | |
commit | dab741a80699f86e86c91718872a052cca9bbb25 (patch) | |
tree | 1959c4a2cea440170a5113dcb067796cb20ffb64 /external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pair.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/pair.cpp')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pair.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pair.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pair.cpp new file mode 100644 index 00000000..ee2da2b2 --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/pair.cpp @@ -0,0 +1,141 @@ +/* + 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 "pair.hpp" +#include "err.hpp" +#include "pipe.hpp" +#include "msg.hpp" + +zmq::pair_t::pair_t (class ctx_t *parent_, uint32_t tid_, int sid_) : + socket_base_t (parent_, tid_, sid_), + pipe (NULL), + last_in (NULL) +{ + options.type = ZMQ_PAIR; +} + +zmq::pair_t::~pair_t () +{ + zmq_assert (!pipe); +} + +void zmq::pair_t::xattach_pipe (pipe_t *pipe_, bool subscribe_to_all_) +{ + // subscribe_to_all_ is unused + (void)subscribe_to_all_; + + zmq_assert (pipe_ != NULL); + + // ZMQ_PAIR socket can only be connected to a single peer. + // The socket rejects any further connection requests. + if (pipe == NULL) + pipe = pipe_; + else + pipe_->terminate (false); +} + +void zmq::pair_t::xpipe_terminated (pipe_t *pipe_) +{ + if (pipe_ == pipe) { + if (last_in == pipe) { + saved_credential = last_in->get_credential (); + last_in = NULL; + } + pipe = NULL; + } +} + +void zmq::pair_t::xread_activated (pipe_t *) +{ + // There's just one pipe. No lists of active and inactive pipes. + // There's nothing to do here. +} + +void zmq::pair_t::xwrite_activated (pipe_t *) +{ + // There's just one pipe. No lists of active and inactive pipes. + // There's nothing to do here. +} + +int zmq::pair_t::xsend (msg_t *msg_) +{ + if (!pipe || !pipe->write (msg_)) { + errno = EAGAIN; + return -1; + } + + if (!(msg_->flags () & msg_t::more)) + pipe->flush (); + + // Detach the original message from the data buffer. + int rc = msg_->init (); + errno_assert (rc == 0); + + return 0; +} + +int zmq::pair_t::xrecv (msg_t *msg_) +{ + // Deallocate old content of the message. + int rc = msg_->close (); + errno_assert (rc == 0); + + if (!pipe || !pipe->read (msg_)) { + + // Initialise the output parameter to be a 0-byte message. + rc = msg_->init (); + errno_assert (rc == 0); + + errno = EAGAIN; + return -1; + } + last_in = pipe; + return 0; +} + +bool zmq::pair_t::xhas_in () +{ + if (!pipe) + return false; + + return pipe->check_read (); +} + +bool zmq::pair_t::xhas_out () +{ + if (!pipe) + return false; + + return pipe->check_write (); +} + +zmq::blob_t zmq::pair_t::get_credential () const +{ + return last_in? last_in->get_credential (): saved_credential; +} |