/** * @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 #if defined(FT32_PORT) #define MQTT_OUTPUT_RINGBUF_SIZE 768 #else #define MQTT_OUTPUT_RINGBUF_SIZE 256 #endif #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 /** * Seconds between each cyclic timer call. */ #ifndef MQTT_CYCLIC_TIMER_INTERVAL #define MQTT_CYCLIC_TIMER_INTERVAL 5 #endif /** * Publish, subscribe and unsubscribe request timeout in seconds. */ #ifndef MQTT_REQ_TIMEOUT #define MQTT_REQ_TIMEOUT 30 #endif /** * Seconds for MQTT connect response timeout after sending connect request */ #ifndef MQTT_CONNECT_TIMOUT #define MQTT_CONNECT_TIMOUT 100 #endif /** * @} */ #ifdef __cplusplus } #endif #endif /* LWIP_HDR_APPS_MQTT_OPTS_H */