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Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.cpp')
| -rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.cpp | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.cpp deleted file mode 100644 index e7e18233..00000000 --- a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/dist.cpp +++ /dev/null @@ -1,216 +0,0 @@ -/* - 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 "dist.hpp" -#include "pipe.hpp" -#include "err.hpp" -#include "msg.hpp" -#include "likely.hpp" - -zmq::dist_t::dist_t () : - matching (0), - active (0), - eligible (0), - more (false) -{ -} - -zmq::dist_t::~dist_t () -{ - zmq_assert (pipes.empty ()); -} - -void zmq::dist_t::attach (pipe_t *pipe_) -{ - // If we are in the middle of sending a message, we'll add new pipe - // into the list of eligible pipes. Otherwise we add it to the list - // of active pipes. - if (more) { - pipes.push_back (pipe_); - pipes.swap (eligible, pipes.size () - 1); - eligible++; - } - else { - pipes.push_back (pipe_); - pipes.swap (active, pipes.size () - 1); - active++; - eligible++; - } -} - -void zmq::dist_t::match (pipe_t *pipe_) -{ - // If pipe is already matching do nothing. - if (pipes.index (pipe_) < matching) - return; - - // If the pipe isn't eligible, ignore it. - if (pipes.index (pipe_) >= eligible) - return; - - // Mark the pipe as matching. - pipes.swap (pipes.index (pipe_), matching); - matching++; -} - -void zmq::dist_t::unmatch () -{ - matching = 0; -} - -void zmq::dist_t::pipe_terminated (pipe_t *pipe_) -{ - // Remove the pipe from the list; adjust number of matching, active and/or - // eligible pipes accordingly. - if (pipes.index (pipe_) < matching) { - pipes.swap (pipes.index (pipe_), matching - 1); - matching--; - } - if (pipes.index (pipe_) < active) { - pipes.swap (pipes.index (pipe_), active - 1); - active--; - } - if (pipes.index (pipe_) < eligible) { - pipes.swap (pipes.index (pipe_), eligible - 1); - eligible--; - } - - pipes.erase (pipe_); -} - -void zmq::dist_t::activated (pipe_t *pipe_) -{ - // Move the pipe from passive to eligible state. - pipes.swap (pipes.index (pipe_), eligible); - eligible++; - - // If there's no message being sent at the moment, move it to - // the active state. - if (!more) { - pipes.swap (eligible - 1, active); - active++; - } -} - -int zmq::dist_t::send_to_all (msg_t *msg_) -{ - matching = active; - return send_to_matching (msg_); -} - -int zmq::dist_t::send_to_matching (msg_t *msg_) -{ - // Is this end of a multipart message? - bool msg_more = msg_->flags () & msg_t::more ? true : false; - - // Push the message to matching pipes. - distribute (msg_); - - // If mutlipart message is fully sent, activate all the eligible pipes. - if (!msg_more) - active = eligible; - - more = msg_more; - - return 0; -} - -void zmq::dist_t::distribute (msg_t *msg_) -{ - // If there are no matching pipes available, simply drop the message. - if (matching == 0) { - int rc = msg_->close (); - errno_assert (rc == 0); - rc = msg_->init (); - errno_assert (rc == 0); - return; - } - - if (msg_->is_vsm ()) { - for (pipes_t::size_type i = 0; i < matching; ++i) - if(!write (pipes [i], msg_)) - --i; // Retry last write because index will have been swapped - int rc = msg_->close(); - errno_assert (rc == 0); - rc = msg_->init (); - errno_assert (rc == 0); - return; - } - - // Add matching-1 references to the message. We already hold one reference, - // that's why -1. - msg_->add_refs ((int) matching - 1); - - // Push copy of the message to each matching pipe. - int failed = 0; - for (pipes_t::size_type i = 0; i < matching; ++i) - if (!write (pipes [i], msg_)) { - ++failed; - --i; // Retry last write because index will have been swapped - } - if (unlikely (failed)) - msg_->rm_refs (failed); - - // Detach the original message from the data buffer. Note that we don't - // close the message. That's because we've already used all the references. - int rc = msg_->init (); - errno_assert (rc == 0); -} - -bool zmq::dist_t::has_out () -{ - return true; -} - -bool zmq::dist_t::write (pipe_t *pipe_, msg_t *msg_) -{ - if (!pipe_->write (msg_)) { - pipes.swap (pipes.index (pipe_), matching - 1); - matching--; - pipes.swap (pipes.index (pipe_), active - 1); - active--; - pipes.swap (active, eligible - 1); - eligible--; - return false; - } - if (!(msg_->flags () & msg_t::more)) - pipe_->flush (); - return true; -} - -bool zmq::dist_t::check_hwm () -{ - for (pipes_t::size_type i = 0; i < matching; ++i) - if (!pipes [i]->check_hwm ()) - return false; - - return true; -} - - |