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144 lines
4.8 KiB
144 lines
4.8 KiB
/* mqtt.h
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*
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* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef USER_AT_MQTT_H_
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#define USER_AT_MQTT_H_
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#include <esp8266.h>
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#include "mqtt_msg.h"
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#include "queue.h"
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#include <rest.h>
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typedef struct mqtt_event_data_t {
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uint8_t type;
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const char* topic;
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const char* data;
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uint16_t topic_length;
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uint16_t data_length;
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uint16_t data_offset;
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} mqtt_event_data_t;
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typedef struct mqtt_state_t {
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uint16_t port;
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int auto_reconnect;
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mqtt_connect_info_t* connect_info;
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uint8_t* in_buffer;
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uint8_t* out_buffer;
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int in_buffer_length;
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int out_buffer_length;
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uint16_t message_length;
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uint16_t message_length_read;
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mqtt_message_t* outbound_message;
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mqtt_connection_t mqtt_connection;
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uint16_t pending_msg_id;
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int pending_msg_type;
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int pending_publish_qos;
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} mqtt_state_t;
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typedef enum {
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WIFI_INIT,
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WIFI_CONNECTING,
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WIFI_CONNECTING_ERROR,
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WIFI_CONNECTED,
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DNS_RESOLVE,
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TCP_DISCONNECTED,
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TCP_RECONNECT_REQ,
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TCP_RECONNECT,
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TCP_CONNECTING,
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TCP_CONNECTING_ERROR,
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TCP_CONNECTED,
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MQTT_CONNECT_SEND,
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MQTT_CONNECT_SENDING,
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MQTT_SUBSCIBE_SEND,
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MQTT_SUBSCIBE_SENDING,
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MQTT_DATA,
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MQTT_PUBLISH_RECV,
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MQTT_PUBLISHING
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} tConnState;
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typedef void (*MqttCallback)(uint32_t* args);
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typedef void (*MqttDataCallback)(uint32_t* args, const char* topic, uint32_t topic_len, const char* data, uint32_t lengh);
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typedef struct {
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struct espconn* pCon;
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uint8_t security;
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char* host;
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uint32_t port;
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ip_addr_t ip;
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mqtt_state_t mqtt_state;
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mqtt_connect_info_t connect_info;
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MqttCallback connectedCb;
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MqttCallback cmdConnectedCb;
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MqttCallback disconnectedCb;
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MqttCallback cmdDisconnectedCb;
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MqttCallback tcpDisconnectedCb;
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MqttCallback cmdTcpDisconnectedCb;
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MqttCallback publishedCb;
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MqttCallback cmdPublishedCb;
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MqttDataCallback dataCb;
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MqttDataCallback cmdDataCb;
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ETSTimer mqttTimer;
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uint32_t keepAliveTick;
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uint32_t reconnectTick;
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uint32_t sendTimeout;
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tConnState connState;
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QUEUE msgQueue;
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void* user_data;
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} MQTT_Client;
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#define SEC_NONSSL 0
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#define SEC_SSL 1
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#define MQTT_FLAG_CONNECTED 1
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#define MQTT_FLAG_READY 2
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#define MQTT_FLAG_EXIT 4
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#define MQTT_EVENT_TYPE_NONE 0
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#define MQTT_EVENT_TYPE_CONNECTED 1
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#define MQTT_EVENT_TYPE_DISCONNECTED 2
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#define MQTT_EVENT_TYPE_SUBSCRIBED 3
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#define MQTT_EVENT_TYPE_UNSUBSCRIBED 4
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#define MQTT_EVENT_TYPE_PUBLISH 5
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#define MQTT_EVENT_TYPE_PUBLISHED 6
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#define MQTT_EVENT_TYPE_EXITED 7
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#define MQTT_EVENT_TYPE_PUBLISH_CONTINUATION 8
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void MQTT_InitConnection(MQTT_Client* mqttClient, char* host, uint32 port, uint8_t security);
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void MQTT_InitClient(MQTT_Client* mqttClient, char* client_id, char* client_user, char* client_pass, uint8_t keepAliveTime, uint8_t cleanSession);
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void MQTT_InitLWT(MQTT_Client* mqttClient, char* will_topic, char* will_msg, uint8_t will_qos, uint8_t will_retain);
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void MQTT_OnConnected(MQTT_Client* mqttClient, MqttCallback connectedCb);
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void MQTT_OnDisconnected(MQTT_Client* mqttClient, MqttCallback disconnectedCb);
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void MQTT_OnPublished(MQTT_Client* mqttClient, MqttCallback publishedCb);
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void MQTT_OnData(MQTT_Client* mqttClient, MqttDataCallback dataCb);
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bool MQTT_Subscribe(MQTT_Client* client, char* topic, uint8_t qos);
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void MQTT_Connect(MQTT_Client* mqttClient);
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void MQTT_Disconnect(MQTT_Client* mqttClient);
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bool MQTT_Publish(MQTT_Client* client, const char* topic, const char* data, uint8_t qos, uint8_t retain);
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#endif /* USER_AT_MQTT_H_ */
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