118 lines
4.5 KiB
C
118 lines
4.5 KiB
C
/*
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* FreeRTOS V202111.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*/
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#ifndef CORE_MQTT_CONFIG_H
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#define CORE_MQTT_CONFIG_H
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/**************************************************/
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/******* DO NOT CHANGE the following order ********/
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/**************************************************/
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/* Include logging header files and define logging macros in the following order:
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* 1. Include the header file "logging_levels.h".
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* 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
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* the logging configuration for MQTT.
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* 3. Include the header file "logging_stack.h", if logging is enabled for MQTT.
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*/
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#include "logging_levels.h"
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/* Logging configuration for the MQTT library. */
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#ifndef LIBRARY_LOG_NAME
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#define LIBRARY_LOG_NAME "MQTT"
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#endif
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#ifndef LIBRARY_LOG_LEVEL
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#define LIBRARY_LOG_LEVEL LOG_ERROR
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#endif
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#include "logging.h"
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/************ End of logging configuration ****************/
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/**
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* @brief The maximum number of MQTT PUBLISH messages that may be pending
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* acknowledgement at any time.
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*
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* QoS 1 and 2 MQTT PUBLISHes require acknowledgment from the server before
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* they can be completed. While they are awaiting the acknowledgment, the
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* client must maintain information about their state. The value of this
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* macro sets the limit on how many simultaneous PUBLISH states an MQTT
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* context maintains.
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*/
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#define MQTT_STATE_ARRAY_MAX_COUNT 10U
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#define MQTT_AGENT_COMMAND_QUEUE_LENGTH (25)
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#define MQTT_COMMAND_CONTEXTS_POOL_SIZE (10)
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/**
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* @brief The maximum number of subscriptions to track for a single connection.
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*
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* @note The MQTT agent keeps a record of all existing MQTT subscriptions.
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* MQTT_AGENT_MAX_SIMULTANEOUS_SUBSCRIPTIONS sets the maximum number of
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* subscriptions records that can be maintained at one time. The higher this
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* number is the greater the agent's RAM consumption will be.
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*/
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#define MQTT_AGENT_MAX_SIMULTANEOUS_SUBSCRIPTIONS (10)
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/**
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* @brief Size of statically allocated buffers for holding subscription filters.
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*
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* @note Subscription filters are strings such as "/my/topicname/#". These
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* strings are limited to a maximum of MQTT_AGENT_MAX_SUBSCRIPTION_FILTER_LENGTH
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* characters. The higher this number is the greater the agent's RAM consumption
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* will be.
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*/
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#define MQTT_AGENT_MAX_SUBSCRIPTION_FILTER_LENGTH (100)
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/**
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* @brief Dimensions the buffer used to serialize and deserialize MQTT packets.
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* @note Specified in bytes. Must be large enough to hold the maximum
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* anticipated MQTT payload.
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*/
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#define MQTT_AGENT_NETWORK_BUFFER_SIZE (5000)
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/**
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* @brief This is the timeout for the duration on which no data is received
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* from the transport interface, after at least a single byte of the MQTT packet has
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* been read.
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*
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* Since the transport interface is set to non-blocking, this is set to a value large enough
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* of a delay for a chunk of packet to be sent over the connection.
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*/
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#define MQTT_RECV_POLLING_TIMEOUT_MS (500)
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/**
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* @brief Maximum wait time in milliseconds for MQTT agent on the input queue.
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* If there is no events(commands) on the queue for the period, then MQTT agent
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* switches to receive packet from network.
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*
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* Since the transport interface is non blocking, the queue wait time is set to
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* a interval such that agent does not polls busy on the socket.
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*
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*/
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#define MQTT_AGENT_MAX_EVENT_QUEUE_WAIT_TIME (50)
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#endif /* ifndef CORE_MQTT_CONFIG_H */
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