/* * coreMQTT v1.2.0 * 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_ /* *INDENT-OFF* */ #ifdef __cplusplus extern "C" { #endif /* *INDENT-ON* */ /* 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. * * Possible values: Any positive 32 bit integer.
* Default value: `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. * * Possible values: Any positive 16 bit integer.
* Default value: `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. * * Possible values: Any positive integer up to SIZE_MAX.
* Default value: `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. * * Possible values: Any positive 32 bit integer. Recommended to use a * small timeout value.
* Default value: `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. * * Possible values: Any positive 32 bit integer. Recommended to use a small * timeout value.
* Default value: `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). * * Default value: 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/). * * Default value: 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/). * * Default value: 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/). * * Default value: 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 /* *INDENT-OFF* */ #ifdef __cplusplus } #endif /* *INDENT-ON* */ #endif /* ifndef CORE_MQTT_CONFIG_DEFAULTS_H_ */