diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/v1_encoder.cpp')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/v1_encoder.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/v1_encoder.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/v1_encoder.cpp new file mode 100644 index 00000000..d77ccb25 --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/v1_encoder.cpp @@ -0,0 +1,75 @@ +/* + 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 "encoder.hpp" +#include "v1_encoder.hpp" +#include "likely.hpp" +#include "wire.hpp" + +zmq::v1_encoder_t::v1_encoder_t (size_t bufsize_) : + encoder_base_t <v1_encoder_t> (bufsize_) +{ + // Write 0 bytes to the batch and go to message_ready state. + next_step (NULL, 0, &v1_encoder_t::message_ready, true); +} + +zmq::v1_encoder_t::~v1_encoder_t () +{ +} + +void zmq::v1_encoder_t::size_ready () +{ + // Write message body into the buffer. + next_step (in_progress->data (), in_progress->size (), + &v1_encoder_t::message_ready, true); +} + +void zmq::v1_encoder_t::message_ready () +{ + // Get the message size. + size_t size = in_progress->size (); + + // Account for the 'flags' byte. + size++; + + // For messages less than 255 bytes long, write one byte of message size. + // For longer messages write 0xff escape character followed by 8-byte + // message size. In both cases 'flags' field follows. + if (size < 255) { + tmpbuf [0] = (unsigned char) size; + tmpbuf [1] = (in_progress->flags () & msg_t::more); + next_step (tmpbuf, 2, &v1_encoder_t::size_ready, false); + } + else { + tmpbuf [0] = 0xff; + put_uint64 (tmpbuf + 1, size); + tmpbuf [9] = (in_progress->flags () & msg_t::more); + next_step (tmpbuf, 10, &v1_encoder_t::size_ready, false); + } +} |