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- """0MQ Message related class declarations."""
- #
- # Copyright (c) 2010-2011 Brian E. Granger & Min Ragan-Kelley
- #
- # This file is part of pyzmq.
- #
- # pyzmq 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.
- #
- # pyzmq 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/>.
- #
- #-----------------------------------------------------------------------------
- # Imports
- #-----------------------------------------------------------------------------
- from cpython cimport PyBytes_FromStringAndSize
- from zmq.backend.cython.libzmq cimport zmq_msg_t, zmq_msg_data, zmq_msg_size
- #-----------------------------------------------------------------------------
- # Code
- #-----------------------------------------------------------------------------
- cdef class MessageTracker(object):
- cdef set events # Message Event objects to track.
- cdef set peers # Other Message or MessageTracker objects.
- cdef class Frame:
- cdef zmq_msg_t zmq_msg
- cdef object _data # The actual message data as a Python object.
- cdef object _buffer # A Python Buffer/View of the message contents
- cdef object _bytes # A bytes/str copy of the message.
- cdef bint _failed_init # Flag to handle failed zmq_msg_init
- cdef public object tracker_event # Event for use with zmq_free_fn.
- cdef public object tracker # MessageTracker object.
- cdef public bint more # whether RCVMORE was set
- cdef Frame fast_copy(self) # Create shallow copy of Message object.
- cdef object _getbuffer(self) # Construct self._buffer.
- cdef inline object copy_zmq_msg_bytes(zmq_msg_t *zmq_msg):
- """ Copy the data from a zmq_msg_t """
- cdef char *data_c = NULL
- cdef Py_ssize_t data_len_c
- data_c = <char *>zmq_msg_data(zmq_msg)
- data_len_c = zmq_msg_size(zmq_msg)
- return PyBytes_FromStringAndSize(data_c, data_len_c)
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