/* 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 . */ #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 (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); } }