| /** |
| * @file |
| * MQTT client options |
| */ |
| |
| /* |
| * Copyright (c) 2016 Erik Andersson |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Erik Andersson |
| * |
| */ |
| #ifndef LWIP_HDR_APPS_MQTT_OPTS_H |
| #define LWIP_HDR_APPS_MQTT_OPTS_H |
| |
| #include "lwip/opt.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * @defgroup mqtt_opts Options |
| * @ingroup mqtt |
| * @{ |
| */ |
| |
| /** |
| * Output ring-buffer size, must be able to fit largest outgoing publish message topic+payloads |
| */ |
| #ifndef MQTT_OUTPUT_RINGBUF_SIZE |
| #define MQTT_OUTPUT_RINGBUF_SIZE 256 |
| #endif |
| |
| /** |
| * Number of bytes in receive buffer, must be at least the size of the longest incoming topic + 8 |
| * If one wants to avoid fragmented incoming publish, set length to max incoming topic length + max payload length + 8 |
| */ |
| #ifndef MQTT_VAR_HEADER_BUFFER_LEN |
| #define MQTT_VAR_HEADER_BUFFER_LEN 128 |
| #endif |
| |
| /** |
| * Maximum number of pending subscribe, unsubscribe and publish requests to server . |
| */ |
| #ifndef MQTT_REQ_MAX_IN_FLIGHT |
| #define MQTT_REQ_MAX_IN_FLIGHT 4 |
| #endif |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LWIP_HDR_APPS_MQTT_OPTS_H */ |
