diff options
Diffstat (limited to 'src/zmq_encoder.cpp')
-rw-r--r-- | src/zmq_encoder.cpp | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/src/zmq_encoder.cpp b/src/zmq_encoder.cpp deleted file mode 100644 index 077286f..0000000 --- a/src/zmq_encoder.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* - 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 "zmq_encoder.hpp" -#include "i_inout.hpp" -#include "wire.hpp" - -zmq::zmq_encoder_t::zmq_encoder_t (size_t bufsize_) : - encoder_t <zmq_encoder_t> (bufsize_), - source (NULL) -{ - zmq_msg_init (&in_progress); - - // Write 0 bytes to the batch and go to message_ready state. - next_step (NULL, 0, &zmq_encoder_t::message_ready, true); -} - -zmq::zmq_encoder_t::~zmq_encoder_t () -{ - zmq_msg_close (&in_progress); -} - -void zmq::zmq_encoder_t::set_inout (i_inout *source_) -{ - source = source_; -} - -bool zmq::zmq_encoder_t::size_ready () -{ - // Write message body into the buffer. - next_step (zmq_msg_data (&in_progress), zmq_msg_size (&in_progress), - &zmq_encoder_t::message_ready, false); - return true; -} - -bool zmq::zmq_encoder_t::message_ready () -{ - // Destroy content of the old message. - zmq_msg_close(&in_progress); - - // Read new message. If there is none, return false. - // Note that new state is set only if write is successful. That way - // unsuccessful write will cause retry on the next state machine - // invocation. - if (!source || !source->read (&in_progress)) { - zmq_msg_init (&in_progress); - return false; - } - - // Get the message size. - size_t size = zmq_msg_size (&in_progress); - - // 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 & ~ZMQ_MSG_SHARED); - next_step (tmpbuf, 2, &zmq_encoder_t::size_ready, - !(in_progress.flags & ZMQ_MSG_MORE)); - } - else { - tmpbuf [0] = 0xff; - put_uint64 (tmpbuf + 1, size); - tmpbuf [9] = (in_progress.flags & ~ZMQ_MSG_SHARED); - next_step (tmpbuf, 10, &zmq_encoder_t::size_ready, - !(in_progress.flags & ZMQ_MSG_MORE)); - } - return true; -} |