iot_mqtt_lightweight.h

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/*
 * IoT MQTT V2.1.0
 * Copyright (C) 2018 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.
 */

#ifndef _IOT_MQTT_LIGHTWEIGHT_H_
#define _IOT_MQTT_LIGHTWEIGHT_H_

/* The config header is always included first. */
#include "iot_config.h"

/* MQTT types include. */
#include "types/iot_mqtt_types.h"

/*------------------------- MQTT library functions --------------------------*/

/* @[declare_mqtt_getconnectpacketsize] */
IotMqttError_t IotMqtt_GetConnectPacketSize( const IotMqttConnectInfo_t * pConnectInfo,
                                             size_t * pRemainingLength,
                                             size_t * pPacketSize );
/* @[declare_mqtt_getconnectpacketsize] */

/* @[declare_mqtt_serializeconnect] */
IotMqttError_t IotMqtt_SerializeConnect( const IotMqttConnectInfo_t * pConnectInfo,
                                         size_t remainingLength,
                                         uint8_t * pBuffer,
                                         size_t bufferSize );
/* @[declare_mqtt_serializeconnect] */

/* @[declare_mqtt_getsubscriptionpacketsize] */
IotMqttError_t IotMqtt_GetSubscriptionPacketSize( IotMqttOperationType_t type,
                                                  const IotMqttSubscription_t * pSubscriptionList,
                                                  size_t subscriptionCount,
                                                  size_t * pRemainingLength,
                                                  size_t * pPacketSize );
/* @[declare_mqtt_getsubscriptionpacketsize] */

/* @[declare_mqtt_serializesubscribe] */
IotMqttError_t IotMqtt_SerializeSubscribe( const IotMqttSubscription_t * pSubscriptionList,
                                           size_t subscriptionCount,
                                           size_t remainingLength,
                                           uint16_t * pPacketIdentifier,
                                           uint8_t * pBuffer,
                                           size_t bufferSize );
/* @[declare_mqtt_serializesubscribe] */

/* @[declare_mqtt_serializeunsubscribe] */
IotMqttError_t IotMqtt_SerializeUnsubscribe( const IotMqttSubscription_t * pSubscriptionList,
                                             size_t subscriptionCount,
                                             size_t remainingLength,
                                             uint16_t * pPacketIdentifier,
                                             uint8_t * pBuffer,
                                             size_t bufferSize );
/* @[declare_mqtt_serializeunsubscribe] */

/* @[declare_mqtt_getpublishpacketsize] */
IotMqttError_t IotMqtt_GetPublishPacketSize( const IotMqttPublishInfo_t * pPublishInfo,
                                             size_t * pRemainingLength,
                                             size_t * pPacketSize );
/* @[declare_mqtt_getpublishpacketsize] */

/* @[declare_mqtt_serializepublish] */
IotMqttError_t IotMqtt_SerializePublish( const IotMqttPublishInfo_t * pPublishInfo,
                                         size_t remainingLength,
                                         uint16_t * pPacketIdentifier,
                                         uint8_t ** pPacketIdentifierHigh,
                                         uint8_t * pBuffer,
                                         size_t bufferSize );
/* @[declare_mqtt_serializepublish] */

/* @[declare_mqtt_serializedisconnect] */
IotMqttError_t IotMqtt_SerializeDisconnect( uint8_t * pBuffer,
                                            size_t bufferSize );
/* @[declare_mqtt_serializedisconnect] */

/* @[declare_mqtt_serializepingreq] */
IotMqttError_t IotMqtt_SerializePingreq( uint8_t * pBuffer,
                                         size_t bufferSize );
/* @[declare_mqtt_serializepingreq] */

/* @[declare_mqtt_getincomingmqttpackettypeandlength] */
IotMqttError_t IotMqtt_GetIncomingMQTTPacketTypeAndLength( IotMqttPacketInfo_t * pIncomingPacket,
                                                           IotMqttGetNextByte_t getNextByte,
                                                           IotNetworkConnection_t pNetworkConnection );
/* @[declare_mqtt_getincomingmqttpackettypeandlength] */

/* @[declare_mqtt_deserializepublish] */
IotMqttError_t IotMqtt_DeserializePublish( IotMqttPacketInfo_t * pMqttPacket );
/* @[declare_mqtt_deserializepublish] */

/* @[declare_mqtt_deserializeresponse] */
IotMqttError_t IotMqtt_DeserializeResponse( IotMqttPacketInfo_t * pMqttPacket );
/* @[declare_mqtt_deserializeresponse] */



#endif /* ifndef IOT_MQTT_SERIALIZE_H_ */