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"""All the C imports for 0MQ"""

#
#    Copyright (c) 2010 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
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Import the C header files
#-----------------------------------------------------------------------------

# common includes, such as zmq compat, pyversion_compat
# make sure we load pyversion compat in every Cython module
cdef extern from "pyversion_compat.h":
    pass

# were it not for Windows,
# we could cimport these from libc.stdint
cdef extern from "zmq_compat.h":
    ctypedef signed long long int64_t "pyzmq_int64_t"
    ctypedef unsigned int uint32_t "pyzmq_uint32_t"

include "constant_enums.pxi"

cdef extern from "zmq.h" nogil:

    void _zmq_version "zmq_version"(int *major, int *minor, int *patch)
    
    ctypedef int fd_t "ZMQ_FD_T"
    
    enum: errno
    const char *zmq_strerror (int errnum)
    int zmq_errno()

    void *zmq_ctx_new ()
    int zmq_ctx_destroy (void *context)
    int zmq_ctx_set (void *context, int option, int optval)
    int zmq_ctx_get (void *context, int option)
    void *zmq_init (int io_threads)
    int zmq_term (void *context)
    
    # blackbox def for zmq_msg_t
    ctypedef void * zmq_msg_t "zmq_msg_t"
    
    ctypedef void zmq_free_fn(void *data, void *hint)
    
    int zmq_msg_init (zmq_msg_t *msg)
    int zmq_msg_init_size (zmq_msg_t *msg, size_t size)
    int zmq_msg_init_data (zmq_msg_t *msg, void *data,
        size_t size, zmq_free_fn *ffn, void *hint)
    int zmq_msg_send (zmq_msg_t *msg, void *s, int flags)
    int zmq_msg_recv (zmq_msg_t *msg, void *s, int flags)
    int zmq_msg_close (zmq_msg_t *msg)
    int zmq_msg_move (zmq_msg_t *dest, zmq_msg_t *src)
    int zmq_msg_copy (zmq_msg_t *dest, zmq_msg_t *src)
    void *zmq_msg_data (zmq_msg_t *msg)
    size_t zmq_msg_size (zmq_msg_t *msg)
    int zmq_msg_more (zmq_msg_t *msg)
    int zmq_msg_get (zmq_msg_t *msg, int option)
    int zmq_msg_set (zmq_msg_t *msg, int option, int optval)
    const char *zmq_msg_gets (zmq_msg_t *msg, const char *property)
    int zmq_has (const char *capability)

    void *zmq_socket (void *context, int type)
    int zmq_close (void *s)
    int zmq_setsockopt (void *s, int option, void *optval, size_t optvallen)
    int zmq_getsockopt (void *s, int option, void *optval, size_t *optvallen)
    int zmq_bind (void *s, char *addr)
    int zmq_connect (void *s, char *addr)
    int zmq_unbind (void *s, char *addr)
    int zmq_disconnect (void *s, char *addr)

    int zmq_socket_monitor (void *s, char *addr, int flags)
    
    # send/recv
    int zmq_sendbuf (void *s, const void *buf, size_t n, int flags)
    int zmq_recvbuf (void *s, void *buf, size_t n, int flags)

    ctypedef struct zmq_pollitem_t:
        void *socket
        fd_t fd
        short events
        short revents

    int zmq_poll (zmq_pollitem_t *items, int nitems, long timeout)

    int zmq_device (int device_, void *insocket_, void *outsocket_)
    int zmq_proxy (void *frontend, void *backend, void *capture)
    int zmq_proxy_steerable (void *frontend,
                             void *backend,
                             void *capture,
                             void *control)

    int zmq_curve_keypair (char *z85_public_key, char *z85_secret_key)
    int zmq_curve_public (char *z85_public_key, char *z85_secret_key)

    # 4.2 draft
    int zmq_join (void *s, const char *group)
    int zmq_leave (void *s, const char *group)

    int zmq_msg_set_routing_id(zmq_msg_t *msg, uint32_t routing_id)
    uint32_t zmq_msg_routing_id(zmq_msg_t *msg)
    int zmq_msg_set_group(zmq_msg_t *msg, const char *group)
    const char *zmq_msg_group(zmq_msg_t *msg)