zmq_draft.h

/*
    Copyright (c) 2007-2016 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/>.
*/

#ifndef __ZMQ_DRAFT_H_INCLUDED__
#define __ZMQ_DRAFT_H_INCLUDED__

/******************************************************************************/
/*  These functions are DRAFT and disabled in stable releases, and subject to */
/*  change at ANY time until declared stable.                                 */
/******************************************************************************/

#ifndef ZMQ_BUILD_DRAFT_API

/*  DRAFT Socket types.                                                       */
#define ZMQ_SERVER 12
#define ZMQ_CLIENT 13
#define ZMQ_RADIO 14
#define ZMQ_DISH 15
#define ZMQ_GATHER 16
#define ZMQ_SCATTER 17
#define ZMQ_DGRAM 18

/*  DRAFT Socket options.                                                     */
#define ZMQ_ZAP_ENFORCE_DOMAIN 93
#define ZMQ_LOOPBACK_FASTPATH 94
#define ZMQ_METADATA 95
#define ZMQ_MULTICAST_LOOP 96
#define ZMQ_ROUTER_NOTIFY 97

/*  DRAFT Context options                                                     */
#define ZMQ_ZERO_COPY_RECV 10

/*  DRAFT Socket methods.                                                     */
int zmq_join (void *s_, const char *group_);
int zmq_leave (void *s_, const char *group_);

/*  DRAFT Msg methods.                                                        */
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_);

/*  DRAFT Msg property names.                                                 */
#define ZMQ_MSG_PROPERTY_ROUTING_ID "Routing-Id"
#define ZMQ_MSG_PROPERTY_SOCKET_TYPE "Socket-Type"
#define ZMQ_MSG_PROPERTY_USER_ID "User-Id"
#define ZMQ_MSG_PROPERTY_PEER_ADDRESS "Peer-Address"

/*  Router notify options                                                     */
#define ZMQ_NOTIFY_CONNECT 1
#define ZMQ_NOTIFY_DISCONNECT 2

/******************************************************************************/
/*  Poller polling on sockets,fd and thread-safe sockets                      */
/******************************************************************************/

typedef struct zmq_poller_event_t
{
    void *socket;
#if defined _WIN32
    SOCKET fd;
#else
    int fd;
#endif
    void *user_data;
    short events;
} zmq_poller_event_t;

void *zmq_poller_new (void);
int zmq_poller_destroy (void **poller_p_);
int zmq_poller_add (void *poller_,
                    void *socket_,
                    void *user_data_,
                    short events_);
int zmq_poller_modify (void *poller_, void *socket_, short events_);
int zmq_poller_remove (void *poller_, void *socket_);
int zmq_poller_wait (void *poller_, zmq_poller_event_t *event_, long timeout_);
int zmq_poller_wait_all (void *poller_,
                         zmq_poller_event_t *events_,
                         int n_events_,
                         long timeout_);

#if defined _WIN32
int zmq_poller_add_fd (void *poller_,
                       SOCKET fd_,
                       void *user_data_,
                       short events_);
int zmq_poller_modify_fd (void *poller_, SOCKET fd_, short events_);
int zmq_poller_remove_fd (void *poller_, SOCKET fd_);
#else
int zmq_poller_add_fd (void *poller, int fd, void *user_data, short events);
int zmq_poller_modify_fd (void *poller, int fd, short events);
int zmq_poller_remove_fd (void *poller, int fd);
#endif

int zmq_socket_get_peer_state (void *socket_,
                               const void *routing_id_,
                               size_t routing_id_size_);

/*  DRAFT Socket monitoring events                                            */
#define ZMQ_EVENT_PIPES_STATS 0x10000

#define ZMQ_CURRENT_EVENT_VERSION 1
#define ZMQ_CURRENT_EVENT_VERSION_DRAFT 2

#define ZMQ_EVENT_ALL_V1 ZMQ_EVENT_ALL
#define ZMQ_EVENT_ALL_V2 ZMQ_EVENT_ALL_V1 | ZMQ_EVENT_PIPES_STATS

int zmq_socket_monitor_versioned (void *s_,
                                  const char *addr_,
                                  uint64_t events_,
                                  int event_version_);
int zmq_socket_monitor_pipes_stats (void *s_);

#endif // ZMQ_BUILD_DRAFT_API

#endif //ifndef __ZMQ_DRAFT_H_INCLUDED__