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core_mqtt_config_defaults.h
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/*
* coreMQTT v1.1.1
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* @file core_mqtt_config_defaults.h
* @brief This represents the default values for the configuration macros
* for the MQTT library.
*
* @note This file SHOULD NOT be modified. If custom values are needed for
* any configuration macro, a core_mqtt_config.h file should be provided to
* the MQTT library to override the default values defined in this file.
* To use the custom config file, the MQTT_DO_NOT_USE_CUSTOM_CONFIG preprocessor
* macro SHOULD NOT be set.
*/
#ifndef CORE_MQTT_CONFIG_DEFAULTS_H_
#define CORE_MQTT_CONFIG_DEFAULTS_H_
/* The macro definition for MQTT_DO_NOT_USE_CUSTOM_CONFIG is for Doxygen
* documentation only. */
/**
* @brief Define this macro to build the MQTT library without the custom config
* file core_mqtt_config.h.
*
* Without the custom config, the MQTT library builds with
* default values of config macros defined in core_mqtt_config_defaults.h file.
*
* If a custom config is provided, then MQTT_DO_NOT_USE_CUSTOM_CONFIG should not
* be defined.
*/
#ifdef DOXYGEN
#define MQTT_DO_NOT_USE_CUSTOM_CONFIG
#endif
/**
* @brief Determines the maximum number of MQTT PUBLISH messages, pending
* acknowledgment at a time, that are supported for incoming and outgoing
* direction of messages, separately.
*
* QoS 1 and 2 MQTT PUBLISHes require acknowledgment from the server before
* they can be completed. While they are awaiting the acknowledgment, the
* client must maintain information about their state. The value of this
* macro sets the limit on how many simultaneous PUBLISH states an MQTT
* context maintains, separately, for both incoming and outgoing direction of
* PUBLISHes.
*
* @note The MQTT context maintains separate state records for outgoing
* and incoming PUBLISHes, and thus, 2 * MQTT_STATE_ARRAY_MAX_COUNT amount
* of memory is statically allocated for the state records.
*
* <b>Possible values:</b> Any positive 32 bit integer. <br>
* <b>Default value:</b> `10`
*/
#ifndef MQTT_STATE_ARRAY_MAX_COUNT
/* Default value for the maximum acknowledgment pending PUBLISH messages. */
#define MQTT_STATE_ARRAY_MAX_COUNT ( 10U )
#endif
/**
* @brief The number of retries for receiving CONNACK.
*
* The MQTT_MAX_CONNACK_RECEIVE_RETRY_COUNT will be used only when the
* timeoutMs parameter of #MQTT_Connect is passed as 0 . The transport
* receive for CONNACK will be retried MQTT_MAX_CONNACK_RECEIVE_RETRY_COUNT
* times before timing out. A value of 0 for this config will cause the
* transport receive for CONNACK to be invoked only once.
*
* <b>Possible values:</b> Any positive 16 bit integer. <br>
* <b>Default value:</b> `5`
*/
#ifndef MQTT_MAX_CONNACK_RECEIVE_RETRY_COUNT
/* Default value for the CONNACK receive retries. */
#define MQTT_MAX_CONNACK_RECEIVE_RETRY_COUNT ( 5U )
#endif
/**
* @brief Maximum number of milliseconds to wait for a ping response to a ping
* request as part of the keep-alive mechanism.
*
* If a ping response is not received before this timeout, then
* #MQTT_ProcessLoop will return #MQTTKeepAliveTimeout.
*
* @note If this value is more than half of the keep alive interval, and the
* server does not receive the previous ping request, then it is likely that the
* server will disconnect the client before #MQTTKeepAliveTimeout can be returned.
*
* @note If a dummy implementation of the #MQTTGetCurrentTimeFunc_t timer function,
* is supplied to the library, then the keep-alive mechanism is not supported by the
* #MQTT_ProcessLoop API function. In that case, the value of #MQTT_PINGRESP_TIMEOUT_MS
* is irrelevant to the behavior of the library.
*
* <b>Possible values:</b> Any positive integer up to SIZE_MAX. <br>
* <b>Default value:</b> `5000`
*/
#ifndef MQTT_PINGRESP_TIMEOUT_MS
/* Wait 5 seconds by default for a ping response. */
#define MQTT_PINGRESP_TIMEOUT_MS ( 5000U )
#endif
/**
* @brief The maximum duration between non-empty network reads while
* receiving an MQTT packet via the #MQTT_ProcessLoop or #MQTT_ReceiveLoop
* API functions.
*
* When an incoming MQTT packet is detected, the transport receive function
* may be called multiple times until all of the expected number of bytes of the
* packet are received. This timeout represents the maximum polling duration that
* is allowed without any data reception from the network for the incoming packet.
*
* If the timeout expires, the #MQTT_ProcessLoop and #MQTT_ReceiveLoop functions
* return #MQTTRecvFailed.
*
* @note If a dummy implementation of the #MQTTGetCurrentTimeFunc_t timer function,
* is supplied to the library, then #MQTT_RECV_POLLING_TIMEOUT_MS MUST be set to 0.
*
* <b>Possible values:</b> Any positive 32 bit integer. Recommended to use a
* small timeout value. <br>
* <b>Default value:</b> `10`
*
*/
#ifndef MQTT_RECV_POLLING_TIMEOUT_MS
#define MQTT_RECV_POLLING_TIMEOUT_MS ( 10U )
#endif
/**
* @brief The maximum duration between non-empty network transmissions while
* sending an MQTT packet via the #MQTT_ProcessLoop or #MQTT_ReceiveLoop
* API functions.
*
* When sending an MQTT packet, the transport send function may be called multiple
* times until all of the required number of bytes are sent.
* This timeout represents the maximum duration that is allowed for no data
* transmission over the network through the transport send function.
*
* If the timeout expires, the #MQTT_ProcessLoop and #MQTT_ReceiveLoop functions
* return #MQTTSendFailed.
*
* @note If a dummy implementation of the #MQTTGetCurrentTimeFunc_t timer function,
* is supplied to the library, then #MQTT_SEND_RETRY_TIMEOUT_MS MUST be set to 0.
*
* <b>Possible values:</b> Any positive 32 bit integer. Recommended to use a small
* timeout value. <br>
* <b>Default value:</b> `10`
*
*/
#ifndef MQTT_SEND_RETRY_TIMEOUT_MS
#define MQTT_SEND_RETRY_TIMEOUT_MS ( 10U )
#endif
/**
* @brief Macro that is called in the MQTT library for logging "Error" level
* messages.
*
* To enable error level logging in the MQTT library, this macro should be mapped to the
* application-specific logging implementation that supports error logging.
*
* @note This logging macro is called in the MQTT library with parameters wrapped in
* double parentheses to be ISO C89/C90 standard compliant. For a reference
* POSIX implementation of the logging macros, refer to core_mqtt_config.h files, and the
* logging-stack in demos folder of the
* [AWS IoT Embedded C SDK repository](https://github.com/aws/aws-iot-device-sdk-embedded-C).
*
* <b>Default value</b>: Error logging is turned off, and no code is generated for calls
* to the macro in the MQTT library on compilation.
*/
#ifndef LogError
#define LogError( message )
#endif
/**
* @brief Macro that is called in the MQTT library for logging "Warning" level
* messages.
*
* To enable warning level logging in the MQTT library, this macro should be mapped to the
* application-specific logging implementation that supports warning logging.
*
* @note This logging macro is called in the MQTT library with parameters wrapped in
* double parentheses to be ISO C89/C90 standard compliant. For a reference
* POSIX implementation of the logging macros, refer to core_mqtt_config.h files, and the
* logging-stack in demos folder of the
* [AWS IoT Embedded C SDK repository](https://github.com/aws/aws-iot-device-sdk-embedded-C/).
*
* <b>Default value</b>: Warning logs are turned off, and no code is generated for calls
* to the macro in the MQTT library on compilation.
*/
#ifndef LogWarn
#define LogWarn( message )
#endif
/**
* @brief Macro that is called in the MQTT library for logging "Info" level
* messages.
*
* To enable info level logging in the MQTT library, this macro should be mapped to the
* application-specific logging implementation that supports info logging.
*
* @note This logging macro is called in the MQTT library with parameters wrapped in
* double parentheses to be ISO C89/C90 standard compliant. For a reference
* POSIX implementation of the logging macros, refer to core_mqtt_config.h files, and the
* logging-stack in demos folder of the
* [AWS IoT Embedded C SDK repository](https://github.com/aws/aws-iot-device-sdk-embedded-C/).
*
* <b>Default value</b>: Info logging is turned off, and no code is generated for calls
* to the macro in the MQTT library on compilation.
*/
#ifndef LogInfo
#define LogInfo( message )
#endif
/**
* @brief Macro that is called in the MQTT library for logging "Debug" level
* messages.
*
* To enable debug level logging from MQTT library, this macro should be mapped to the
* application-specific logging implementation that supports debug logging.
*
* @note This logging macro is called in the MQTT library with parameters wrapped in
* double parentheses to be ISO C89/C90 standard compliant. For a reference
* POSIX implementation of the logging macros, refer to core_mqtt_config.h files, and the
* logging-stack in demos folder of the
* [AWS IoT Embedded C SDK repository](https://github.com/aws/aws-iot-device-sdk-embedded-C/).
*
* <b>Default value</b>: Debug logging is turned off, and no code is generated for calls
* to the macro in the MQTT library on compilation.
*/
#ifndef LogDebug
#define LogDebug( message )
#endif
#endif /* ifndef CORE_MQTT_CONFIG_DEFAULTS_H_ */