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Diffstat (limited to 'src/rep.cpp')
-rw-r--r-- | src/rep.cpp | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/rep.cpp b/src/rep.cpp deleted file mode 100644 index a45e635..0000000 --- a/src/rep.cpp +++ /dev/null @@ -1,123 +0,0 @@ -/* - Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file - - This file is part of 0MQ. - - 0MQ is free software; you can redistribute it and/or modify it under - the terms of the GNU Lesser 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 - 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 "rep.hpp" -#include "err.hpp" -#include "msg.hpp" - -zmq::rep_t::rep_t (class ctx_t *parent_, uint32_t tid_, int sid_) : - router_t (parent_, tid_, sid_), - sending_reply (false), - request_begins (true) -{ - options.type = ZMQ_REP; -} - -zmq::rep_t::~rep_t () -{ -} - -int zmq::rep_t::xsend (msg_t *msg_) -{ - // If we are in the middle of receiving a request, we cannot send reply. - if (!sending_reply) { - errno = EFSM; - return -1; - } - - bool more = msg_->flags () & msg_t::more ? true : false; - - // Push message to the reply pipe. - int rc = router_t::xsend (msg_); - if (rc != 0) - return rc; - - // If the reply is complete flip the FSM back to request receiving state. - if (!more) - sending_reply = false; - - return 0; -} - -int zmq::rep_t::xrecv (msg_t *msg_) -{ - // If we are in middle of sending a reply, we cannot receive next request. - if (sending_reply) { - errno = EFSM; - return -1; - } - - // First thing to do when receiving a request is to copy all the labels - // to the reply pipe. - if (request_begins) { - while (true) { - int rc = router_t::xrecv (msg_); - if (rc != 0) - return rc; - - if ((msg_->flags () & msg_t::more)) { - // Empty message part delimits the traceback stack. - bool bottom = (msg_->size () == 0); - - // Push it to the reply pipe. - rc = router_t::xsend (msg_); - errno_assert (rc == 0); - - if (bottom) - break; - } - else { - // If the traceback stack is malformed, discard anything - // already sent to pipe (we're at end of invalid message). - rc = router_t::rollback (); - errno_assert (rc == 0); - } - } - request_begins = false; - } - - // Get next message part to return to the user. - int rc = router_t::xrecv (msg_); - if (rc != 0) - return rc; - - // If whole request is read, flip the FSM to reply-sending state. - if (!(msg_->flags () & msg_t::more)) { - sending_reply = true; - request_begins = true; - } - - return 0; -} - -bool zmq::rep_t::xhas_in () -{ - if (sending_reply) - return false; - - return router_t::xhas_in (); -} - -bool zmq::rep_t::xhas_out () -{ - if (!sending_reply) - return false; - - return router_t::xhas_out (); -} |