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104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/**
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* @file
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* MQTT client options
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*/
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/*
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* Copyright (c) 2016 Erik Andersson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Erik Andersson
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*
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*/
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#ifndef LWIP_HDR_APPS_MQTT_OPTS_H
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#define LWIP_HDR_APPS_MQTT_OPTS_H
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#include "lwip/opt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup mqtt_opts Options
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* @ingroup mqtt
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* @{
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*/
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/**
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* Output ring-buffer size, must be able to fit largest outgoing publish message topic+payloads
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*/
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#ifndef MQTT_OUTPUT_RINGBUF_SIZE
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#define MQTT_OUTPUT_RINGBUF_SIZE 256
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#endif
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/**
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* Number of bytes in receive buffer, must be at least the size of the longest incoming topic + 8
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* If one wants to avoid fragmented incoming publish, set length to max incoming topic length + max payload length + 8
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*/
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#ifndef MQTT_VAR_HEADER_BUFFER_LEN
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#define MQTT_VAR_HEADER_BUFFER_LEN 128
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#endif
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/**
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* Maximum number of pending subscribe, unsubscribe and publish requests to server .
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*/
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#ifndef MQTT_REQ_MAX_IN_FLIGHT
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#define MQTT_REQ_MAX_IN_FLIGHT 4
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#endif
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/**
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* Seconds between each cyclic timer call.
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*/
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#ifndef MQTT_CYCLIC_TIMER_INTERVAL
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#define MQTT_CYCLIC_TIMER_INTERVAL 5
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#endif
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/**
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* Publish, subscribe and unsubscribe request timeout in seconds.
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*/
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#ifndef MQTT_REQ_TIMEOUT
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#define MQTT_REQ_TIMEOUT 30
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#endif
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/**
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* Seconds for MQTT connect response timeout after sending connect request
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*/
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#ifndef MQTT_CONNECT_TIMOUT
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#define MQTT_CONNECT_TIMOUT 100
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#endif
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_HDR_APPS_MQTT_OPTS_H */
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