[457] | 1 | /**
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| 2 | * @file
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| 3 | * MQTT client options
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2016 Erik Andersson
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| 8 | * All rights reserved.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without modification,
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| 11 | * are permitted provided that the following conditions are met:
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| 12 | *
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| 13 | * 1. Redistributions of source code must retain the above copyright notice,
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| 14 | * this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 16 | * this list of conditions and the following disclaimer in the documentation
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| 17 | * and/or other materials provided with the distribution.
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| 18 | * 3. The name of the author may not be used to endorse or promote products
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| 19 | * derived from this software without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 30 | * OF SUCH DAMAGE.
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| 31 | *
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| 32 | * This file is part of the lwIP TCP/IP stack.
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| 33 | *
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| 34 | * Author: Erik Andersson
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| 35 | *
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| 36 | */
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| 37 | #ifndef LWIP_HDR_APPS_MQTT_OPTS_H
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| 38 | #define LWIP_HDR_APPS_MQTT_OPTS_H
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| 39 |
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| 40 | #include "lwip/opt.h"
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| 41 |
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| 42 | #ifdef __cplusplus
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| 43 | extern "C" {
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| 44 | #endif
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| 45 |
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| 46 | /**
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| 47 | * @defgroup mqtt_opts Options
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| 48 | * @ingroup mqtt
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| 49 | * @{
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| 50 | */
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| 51 |
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| 52 | /**
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| 53 | * Output ring-buffer size, must be able to fit largest outgoing publish message topic+payloads
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| 54 | */
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| 55 | #ifndef MQTT_OUTPUT_RINGBUF_SIZE
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| 56 | #define MQTT_OUTPUT_RINGBUF_SIZE 256
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| 57 | #endif
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| 58 |
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| 59 | /**
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| 60 | * Number of bytes in receive buffer, must be at least the size of the longest incoming topic + 8
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| 61 | * If one wants to avoid fragmented incoming publish, set length to max incoming topic length + max payload length + 8
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| 62 | */
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| 63 | #ifndef MQTT_VAR_HEADER_BUFFER_LEN
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| 64 | #define MQTT_VAR_HEADER_BUFFER_LEN 128
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| 65 | #endif
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| 66 |
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| 67 | /**
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| 68 | * Maximum number of pending subscribe, unsubscribe and publish requests to server .
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| 69 | */
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| 70 | #ifndef MQTT_REQ_MAX_IN_FLIGHT
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| 71 | #define MQTT_REQ_MAX_IN_FLIGHT 4
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| 72 | #endif
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| 73 |
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| 74 | /**
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| 75 | * Seconds between each cyclic timer call.
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| 76 | */
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| 77 | #ifndef MQTT_CYCLIC_TIMER_INTERVAL
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| 78 | #define MQTT_CYCLIC_TIMER_INTERVAL 5
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| 79 | #endif
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| 80 |
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| 81 | /**
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| 82 | * Publish, subscribe and unsubscribe request timeout in seconds.
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| 83 | */
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| 84 | #ifndef MQTT_REQ_TIMEOUT
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| 85 | #define MQTT_REQ_TIMEOUT 30
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| 86 | #endif
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| 87 |
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| 88 | /**
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| 89 | * Seconds for MQTT connect response timeout after sending connect request
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| 90 | */
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| 91 | #ifndef MQTT_CONNECT_TIMOUT
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| 92 | #define MQTT_CONNECT_TIMOUT 100
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| 93 | #endif
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| 94 |
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| 95 | /**
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| 96 | * @}
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| 97 | */
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| 98 |
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| 99 | #ifdef __cplusplus
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| 100 | }
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| 101 | #endif
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| 102 |
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| 103 | #endif /* LWIP_HDR_APPS_MQTT_OPTS_H */
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