/usr/include/zbeacon_v2.h is in libczmq-dev 3.0.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | /* =========================================================================
zbeacon - LAN discovery and presence (deprecated)
Copyright (c) the Contributors as noted in the AUTHORS file.
This file is part of CZMQ, the high-level C binding for 0MQ:
http://czmq.zeromq.org.
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
=========================================================================
*/
#ifndef __ZBEACON_V2_H_INCLUDED__
#define __ZBEACON_V2_H_INCLUDED__
#ifdef __cplusplus
extern "C" {
#endif
// @interface
// Create a new beacon on a certain UDP port. If the system does not
// support UDP broadcasts (lacking a useful interface), returns NULL.
// To force the beacon to operate on a given port, set the environment
// variable ZSYS_INTERFACE, or call zsys_set_interface() beforehand.
// If you are using the new zsock API then pass NULL as the ctx here.
CZMQ_EXPORT zbeacon_t *
zbeacon_new (zctx_t *ctx, int port_nbr);
// Destroy a beacon
CZMQ_EXPORT void
zbeacon_destroy (zbeacon_t **self_p);
// Return our own IP address as printable string
CZMQ_EXPORT char *
zbeacon_hostname (zbeacon_t *self);
// Set broadcast interval in milliseconds (default is 1000 msec)
CZMQ_EXPORT void
zbeacon_set_interval (zbeacon_t *self, int interval);
// Filter out any beacon that looks exactly like ours
CZMQ_EXPORT void
zbeacon_noecho (zbeacon_t *self);
// Start broadcasting beacon to peers at the specified interval
CZMQ_EXPORT void
zbeacon_publish (zbeacon_t *self, byte *transmit, size_t size);
// Stop broadcasting beacons
CZMQ_EXPORT void
zbeacon_silence (zbeacon_t *self);
// Start listening to other peers; zero-sized filter means get everything
CZMQ_EXPORT void
zbeacon_subscribe (zbeacon_t *self, byte *filter, size_t size);
// Stop listening to other peers
CZMQ_EXPORT void
zbeacon_unsubscribe (zbeacon_t *self);
// Get beacon ZeroMQ socket, for polling or receiving messages
CZMQ_EXPORT void *
zbeacon_socket (zbeacon_t *self);
// Self test of this class
CZMQ_EXPORT void
zbeacon_v2_test (bool verbose);
// @end
#ifdef __cplusplus
}
#endif
#endif
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