diff options
Diffstat (limited to 'src/xreq.cpp')
-rw-r--r-- | src/xreq.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/xreq.cpp b/src/xreq.cpp new file mode 100644 index 0000000..ab90f68 --- /dev/null +++ b/src/xreq.cpp @@ -0,0 +1,118 @@ +/* + 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 "../include/zmq.h" + +#include "xreq.hpp" +#include "err.hpp" + +zmq::xreq_t::xreq_t (class app_thread_t *parent_) : + socket_base_t (parent_), + dropping (false) +{ + options.requires_in = true; + options.requires_out = true; +} + +zmq::xreq_t::~xreq_t () +{ +} + +void zmq::xreq_t::xattach_pipes (class reader_t *inpipe_, + class writer_t *outpipe_, const blob_t &peer_identity_) +{ + zmq_assert (inpipe_ && outpipe_); + fq.attach (inpipe_); + lb.attach (outpipe_); +} + +void zmq::xreq_t::xdetach_inpipe (class reader_t *pipe_) +{ + zmq_assert (pipe_); + fq.detach (pipe_); +} + +void zmq::xreq_t::xdetach_outpipe (class writer_t *pipe_) +{ + zmq_assert (pipe_); + lb.detach (pipe_); +} + +void zmq::xreq_t::xkill (class reader_t *pipe_) +{ + fq.kill (pipe_); +} + +void zmq::xreq_t::xrevive (class reader_t *pipe_) +{ + fq.revive (pipe_); +} + +void zmq::xreq_t::xrevive (class writer_t *pipe_) +{ + lb.revive (pipe_); +} + +int zmq::xreq_t::xsetsockopt (int option_, const void *optval_, + size_t optvallen_) +{ + errno = EINVAL; + return -1; +} + +int zmq::xreq_t::xsend (zmq_msg_t *msg_, int flags_) +{ + while (true) { + + // If we are ignoring the current message, just drop it and return. + if (dropping) { + if (!(msg_->flags & ZMQ_MSG_MORE)) + dropping = false; + int rc = zmq_msg_close (msg_); + zmq_assert (rc == 0); + rc = zmq_msg_init (msg_); + zmq_assert (rc == 0); + return 0; + } + + int rc = lb.send (msg_, flags_); + if (rc != 0 && errno == EAGAIN) + dropping = true; + else + return rc; + } +} + +int zmq::xreq_t::xrecv (zmq_msg_t *msg_, int flags_) +{ + return fq.recv (msg_, flags_); +} + +bool zmq::xreq_t::xhas_in () +{ + return fq.has_in (); +} + +bool zmq::xreq_t::xhas_out () +{ + // Socket is always ready for writing. When the queue is full, message + // will be silently dropped. + return true; +} + |