net/mqtt: Fix inline doc for MQTT
Fix inline documentation for the MQTT API. Jira: ZEP-1669 Change-Id: I90702eae236a9189b58e0f2fb2a6c5a3eeaf959c Signed-off-by: Flavio Santes <flavio.santes@intel.com>
This commit is contained in:
Flavio Santes
Jukka Rissanen
parent
449cbbd874
commit
bed71d0a02
4 changed files with 659 additions and 623 deletions
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@ -17,7 +17,7 @@
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*/
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/**
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* @brief mqtt_app MQTT application type
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* MQTT application type
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*/
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enum mqtt_app {
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/** Publisher and Subscriber application */
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@ -31,9 +31,9 @@ enum mqtt_app {
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};
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/**
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* @brief struct mqtt_ctx MQTT context structure
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* @details
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* Context structure for the MQTT high-level API with support for QoS.
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* MQTT context structure
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*
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* @details Context structure for the MQTT high-level API with support for QoS.
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*
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* This API is designed for asynchronous operation, so callbacks are
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* executed when some events must be addressed outside the MQTT routines.
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@ -74,84 +74,66 @@ struct mqtt_ctx {
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/** Callback executed when a #MQTT_APP_PUBLISHER application receives
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* a MQTT PUBxxxx msg.
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* If type is MQTT_PUBACK, MQTT_PUBCOMP or MQTT_PUBREC, this callback
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* must return 0 if pkt_id matches the packet id of a previously
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* received MQTT_PUBxxx message. If this callback returns 0, the caller
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* will continue.
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* Any other value will stop the QoS handshake and the caller will
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* return -EINVAL. The application must discard all the messages
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* already processed.
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*
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* <b>Note: this callback must be not NULL</b>
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*
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* @param [in] ctx MQTT context
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* @param [in] pkt_id Packet Identifier for the input MQTT msg
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* @param [in] type Packet type
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* @return If this callback returns 0, the caller will
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* continue.
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*
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* @return If type is MQTT_PUBACK, MQTT_PUBCOMP or
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* MQTT_PUBREC, this callback must return 0 if
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* pkt_id matches the packet id of a previously
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* received MQTT_PUBxxx message.
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*
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* @return <b>Note: the application must discard all the
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* messages already processed</b>
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*
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* @return Any other value will stop the QoS handshake
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* and the caller will return -EINVAL
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* @param [in] ctx MQTT context
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* @param [in] pkt_id Packet Identifier for the input MQTT msg
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* @param [in] type Packet type
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*/
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int (*publish_tx)(struct mqtt_ctx *ctx, uint16_t pkt_id,
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enum mqtt_packet type);
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/** Callback executed when a MQTT_APP_SUBSCRIBER,
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* MQTT_APP_PUBLISHER_SUBSCRIBER or MQTT_APP_SERVER application receive
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* a MQTT PUBxxxx msg.
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* MQTT_APP_PUBLISHER_SUBSCRIBER or MQTT_APP_SERVER applications receive
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* a MQTT PUBxxxx msg. If this callback returns 0, the caller will
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* continue. If type is MQTT_PUBREL this callback must return 0 if
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* pkt_id matches the packet id of a previously received MQTT_PUBxxx
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* message. Any other value will stop the QoS handshake and the caller
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* will return -EINVAL
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*
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* <b>Note: this callback must be not NULL</b>
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*
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* @param [in] ctx MQTT context
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* @param [in] msg Publish message, this parameter is only used
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* when the type is MQTT_PUBLISH
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* @param [in] pkt_id Packet Identifier for the input msg
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* @param [in] type Packet type
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* @return If this callback returns 0, the caller will
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* continue.
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*
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* @return If type is MQTT_PUBREL this callback must return
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* 0 if pkt_id matches the packet id of a
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* previously received MQTT_PUBxxx message.
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*
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* @return <b>Note: the application must discard all the
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* messages already processed</b>
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*
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* @return Any other value will stop the QoS handshake
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* and the caller will return -EINVAL
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* @param [in] ctx MQTT context
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* @param [in] msg Publish message, this parameter is only used
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* when the type is MQTT_PUBLISH
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* @param [in] pkt_id Packet Identifier for the input msg
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* @param [in] type Packet type
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*/
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int (*publish_rx)(struct mqtt_ctx *ctx, struct mqtt_publish_msg *msg,
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uint16_t pkt_id, enum mqtt_packet type);
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/** Callback executed when a MQTT_APP_SUBSCRIBER or
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* MQTT_APP_PUBLISHER_SUBSCRIBER receives the MQTT SUBACK message
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* If this callback returns 0, the caller will continue. Any other
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* value will make the caller return -EINVAL.
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*
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* <b>Note: this callback must be not NULL</b>
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*
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* @param [in] ctx MQTT context
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* @param [in] pkt_id Packet Identifier for the MQTT SUBACK msg
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* @param [in] items Number of elements in the qos array
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* @param [in] qos Array of QoS values
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* @return If this callback returns 0, the caller will
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* continue
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* @return Any other value will make the caller return
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* -EINVAL
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* @param [in] ctx MQTT context
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* @param [in] pkt_id Packet Identifier for the MQTT SUBACK msg
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* @param [in] items Number of elements in the qos array
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* @param [in] qos Array of QoS values
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*/
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int (*subscribe)(struct mqtt_ctx *ctx, uint16_t pkt_id,
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uint8_t items, enum mqtt_qos qos[]);
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/** Callback executed when a MQTT_APP_SUBSCRIBER or
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* MQTT_APP_PUBLISHER_SUBSCRIBER receives the MQTT UNSUBACK message
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* If this callback returns 0, the caller will continue. Any other value
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* will make the caller return -EINVAL
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*
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* <b>Note: this callback must be not NULL</b>
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*
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* @param [in] ctx MQTT context
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* @param [in] pkt_id Packet Identifier for the MQTT SUBACK msg
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* @return If this callback returns 0, the caller will
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* continue
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* @return Any other value will make the caller return
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* -EINVAL
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*/
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int (*unsubscribe)(struct mqtt_ctx *ctx, uint16_t pkt_id);
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@ -182,219 +164,253 @@ struct mqtt_ctx {
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};
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/**
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* @brief mqtt_init Initializes the MQTT context structure
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* @param ctx MQTT context structure
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* @param app_type See enum mqtt_app
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* @return 0, always.
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* Initializes the MQTT context structure
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*
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* @param ctx MQTT context structure
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* @param app_type See enum mqtt_app
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* @retval 0, always.
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*/
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int mqtt_init(struct mqtt_ctx *ctx, enum mqtt_app app_type);
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/**
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* @brief mqtt_tx_connect Sends the MQTT CONNECT message
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* @param [in] ctx MQTT context structure
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* @param [in] msg MQTT CONNECT msg
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* @return 0 on success
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* @return -EIO on network error
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* @return -ENOMEM if no data/tx buffer is available
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* @return -EINVAL if invalid data was passed to this
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* routine
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* Sends the MQTT CONNECT message
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*
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* @param [in] ctx MQTT context structure
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* @param [in] msg MQTT CONNECT msg
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*
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* @retval 0 on success
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* @retval -EIO
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* @retval -ENOMEM
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* @retval -EINVAL
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*/
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int mqtt_tx_connect(struct mqtt_ctx *ctx, struct mqtt_connect_msg *msg);
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/**
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* @brief mqtt_tx_disconnect Send the MQTT DISCONNECT message
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* @param [in] ctx MQTT context structure
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* @return 0 on success
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* @return -EIO on network error
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* @return -ENOMEM if no data/tx buffer is available
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* @return -EINVAL if invalid data was passed to this
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* routine
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* Send the MQTT DISCONNECT message
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*
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* @param [in] ctx MQTT context structure
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*
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* @retval 0 on success
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* @retval -EIO
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* @retval -ENOMEM
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* @retval -EINVAL
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*/
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int mqtt_tx_disconnect(struct mqtt_ctx *ctx);
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/**
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* @brief mqtt_tx_puback Sends the MQTT PUBACK message with the given
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* packet id
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT PUBACK message with the given packet id
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*
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_puback(struct mqtt_ctx *ctx, uint16_t id);
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/**
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* @brief mqtt_tx_pubcomp Sends the MQTT PUBCOMP message with the given
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* packet id
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT PUBCOMP message with the given packet id
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*
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_pubcomp(struct mqtt_ctx *ctx, uint16_t id);
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/**
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* @brief mqtt_tx_pubrec Sends the MQTT PUBREC message with the given
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* packet id
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT PUBREC message with the given packet id
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*
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_pubrec(struct mqtt_ctx *ctx, uint16_t id);
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/**
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* @brief mqtt_tx_pubrel Sends the MQTT PUBREL message with the given
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* packet id
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT PUBREL message with the given packet id
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*
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* @param [in] ctx MQTT context structure
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* @param [in] id MQTT Packet Identifier
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_pubrel(struct mqtt_ctx *ctx, uint16_t id);
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/**
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* @brief mqtt_tx_publish Sends the MQTT PUBLISH message
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* @param [in] ctx MQTT context structure
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* @param [in] msg MQTT PUBLISH msg
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT PUBLISH message
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*
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* @param [in] ctx MQTT context structure
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* @param [in] msg MQTT PUBLISH msg
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_publish(struct mqtt_ctx *ctx, struct mqtt_publish_msg *msg);
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/**
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* @brief mqtt_tx_pingreq Sends the MQTT PINGREQ message
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* @param [in] ctx MQTT context structure
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT PINGREQ message
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*
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* @param [in] ctx MQTT context structure
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_pingreq(struct mqtt_ctx *ctx);
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/**
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* @brief mqtt_tx_subscribe Sends the MQTT SUBSCRIBE message
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* @param [in] ctx MQTT context structure
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* @param [in] pkt_id Packet identifier for the MQTT SUBSCRIBE msg
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* @param [in] items Number of elements in 'topics' and 'qos' arrays
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* @param [in] topics Array of 'items' elements containing C strings.
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* For example: {"sensors", "lights", "doors"}
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* @param [in] qos Array of 'items' elements containing MQTT QoS
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* values: MQTT_QoS0, MQTT_QoS1, MQTT_QoS2. For
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* example for the 'topics' array above the
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* following QoS may be used:
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* {MQTT_QoS0, MQTT_QoS2, MQTT_QoS1}, indicating
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* that the subscription to 'lights' must be done
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* with MQTT_QoS2
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* @return 0 on success
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* @return -EINVAL if an invalid parameter was passed to
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* this routine
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* @return -ENOMEM if a tx buffer is not available
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* @return -EIO on network error
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* Sends the MQTT SUBSCRIBE message
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*
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* @param [in] ctx MQTT context structure
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* @param [in] pkt_id Packet identifier for the MQTT SUBSCRIBE msg
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* @param [in] items Number of elements in 'topics' and 'qos' arrays
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* @param [in] topics Array of 'items' elements containing C strings.
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* For example: {"sensors", "lights", "doors"}
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* @param [in] qos Array of 'items' elements containing MQTT QoS values:
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* MQTT_QoS0, MQTT_QoS1, MQTT_QoS2. For example for the 'topics'
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* array above the following QoS may be used: {MQTT_QoS0,
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* MQTT_QoS2, MQTT_QoS1}, indicating that the subscription to
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* 'lights' must be done with MQTT_QoS2
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_subscribe(struct mqtt_ctx *ctx, uint16_t pkt_id, uint8_t items,
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const char *topics[], const enum mqtt_qos qos[]);
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/**
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* @brief mqtt_tx_unsubscribe Sends the MQTT UNSUBSCRIBE message
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* @param [in] ctx MQTT context structure
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* @param [in] pkt_id Packet identifier for the MQTT UNSUBSCRIBE msg
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* @param [in] items Number of elements in the 'topics' array
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* @param [in] topics Array of 'items' elements containing C strings
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* @return
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* Sends the MQTT UNSUBSCRIBE message
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*
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* @param [in] ctx MQTT context structure
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* @param [in] pkt_id Packet identifier for the MQTT UNSUBSCRIBE msg
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* @param [in] items Number of elements in the 'topics' array
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* @param [in] topics Array of 'items' elements containing C strings
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*
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* @retval 0 on success
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* @retval -EINVAL
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* @retval -ENOMEM
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* @retval -EIO
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*/
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int mqtt_tx_unsubscribe(struct mqtt_ctx *ctx, uint16_t pkt_id, uint8_t items,
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const char *topics[]);
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/**
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* Parses and validates the MQTT CONNACK msg
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*
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* @param [in] ctx MQTT context structure
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* @param [in] rx Data buffer
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* @param [in] clean_session MQTT clean session parameter
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*
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* @retval 0 on success
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* @retval -EINVAL
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*/
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int mqtt_rx_connack(struct mqtt_ctx *ctx, struct net_buf *rx,
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int clean_session);
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/**
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* @brief mqtt_rx_puback Parses and validates the MQTT PUBACK message
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* @param [in] ctx MQTT context structure
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* @param [in] rx Data buffer
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* @return 0 on success
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* @return -EINVAL on error
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* Parses and validates the MQTT PUBACK message
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*
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* @param [in] ctx MQTT context structure
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* @param [in] rx Data buffer
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*
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* @retval 0 on success
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* @retval -EINVAL
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*/
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int mqtt_rx_puback(struct mqtt_ctx *ctx, struct net_buf *rx);
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/**
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* @brief mqtt_rx_pubcomp Parses and validates the MQTT PUBCOMP message
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* @param [in] ctx MQTT context structure
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* @param [in] rx Data buffer
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* @return 0 on success
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* @return -EINVAL on error
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* Parses and validates the MQTT PUBCOMP message
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*
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* @param [in] ctx MQTT context structure
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* @param [in] rx Data buffer
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*
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* @retval 0 on success
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* @retval -EINVAL
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*/
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int mqtt_rx_pubcomp(struct mqtt_ctx *ctx, struct net_buf *rx);
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/**
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* @brief mqtt_rx_pubrec Parses and validates the MQTT PUBREC message
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* @param [in] ctx MQTT context structure
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* @param [in] rx Data buffer
|
||||
* @return 0 on success
|
||||
* @return -EINVAL on error
|
||||
* Parses and validates the MQTT PUBREC message
|
||||
*
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
*
|
||||
* @retval 0 on success
|
||||
* @retval -EINVAL
|
||||
*/
|
||||
int mqtt_rx_pubrec(struct mqtt_ctx *ctx, struct net_buf *rx);
|
||||
|
||||
/**
|
||||
* @brief mqtt_rx_pubrel Parses and validates the MQTT PUBREL message
|
||||
* @details rx is an RX buffer from the IP stack
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
* @return 0 on success
|
||||
* @return -EINVAL on error
|
||||
* Parses and validates the MQTT PUBREL message
|
||||
*
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
*
|
||||
* @retval 0 on success
|
||||
* @retval -EINVAL
|
||||
*/
|
||||
int mqtt_rx_pubrel(struct mqtt_ctx *ctx, struct net_buf *rx);
|
||||
|
||||
/**
|
||||
* @brief mqtt_rx_pingresp Parses the MQTT PINGRESP message
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
* @return 0 on success
|
||||
* @return -EINVAL on error
|
||||
* Parses the MQTT PINGRESP message
|
||||
*
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
*
|
||||
* @retval 0 on success
|
||||
* @retval -EINVAL
|
||||
*/
|
||||
int mqtt_rx_pingresp(struct mqtt_ctx *ctx, struct net_buf *rx);
|
||||
|
||||
/**
|
||||
* @brief mqtt_rx_suback Parses the MQTT SUBACK message
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
* @return 0 on success
|
||||
* @return -EINVAL on error
|
||||
* Parses the MQTT SUBACK message
|
||||
*
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
*
|
||||
* @retval 0 on success
|
||||
* @retval -EINVAL
|
||||
*/
|
||||
int mqtt_rx_suback(struct mqtt_ctx *ctx, struct net_buf *rx);
|
||||
|
||||
/**
|
||||
* @brief mqtt_rx_unsuback Parses the MQTT UNSUBACK message
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
* @return 0 on success
|
||||
* @return -EINVAL on error
|
||||
* Parses the MQTT UNSUBACK message
|
||||
*
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
*
|
||||
* @retval 0 on success
|
||||
* @retval -EINVAL
|
||||
*/
|
||||
int mqtt_rx_unsuback(struct mqtt_ctx *ctx, struct net_buf *rx);
|
||||
|
||||
/**
|
||||
* @brief mqtt_rx_publish Parses the MQTT PUBLISH message
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
* @return 0 on success
|
||||
* @return -EINVAL on error
|
||||
* @return -ENOMEM if no data buffer is available
|
||||
* Parses the MQTT PUBLISH message
|
||||
*
|
||||
* @param [in] ctx MQTT context structure
|
||||
* @param [in] rx Data buffer
|
||||
*
|
||||
* @retval 0 on success
|
||||
* @retval -EINVAL
|
||||
* @retval -ENOMEM
|
||||
*/
|
||||
int mqtt_rx_publish(struct mqtt_ctx *ctx, struct net_buf *rx);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue