476e0dec02
1. delete some junk files. 2. mqttclient added comments and updated to v1.0.2. 3. update README.md. 4. update the author's own server certificate. 5. minor changes to salof.
143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/*
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* @Author: jiejie
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* @Github: https://github.com/jiejieTop
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* @Date: 2019-12-09 21:31:25
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* @LastEditTime: 2020-03-15 01:12:28
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* @Description: the code belongs to jiejie, please keep the author information and source code according to the license.
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*/
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#ifndef _MQTTCLIENT_H_
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#define _MQTTCLIENT_H_
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#include <stdio.h>
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#include <string.h>
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#include "MQTTPacket.h"
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#include "list.h"
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#include "platform_timer.h"
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#include "platform_memory.h"
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#include "platform_mutex.h"
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#include "platform_thread.h"
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#include "mqtt_defconfig.h"
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#include "network.h"
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#include "random.h"
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#include "error.h"
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#include "log.h"
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typedef enum mqtt_qos {
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QOS0 = 0,
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QOS1 = 1,
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QOS2 = 2,
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SUBFAIL = 0x80
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} mqtt_qos_t;
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typedef enum client_state {
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CLIENT_STATE_INVALID = -1,
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CLIENT_STATE_INITIALIZED = 0,
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CLIENT_STATE_CONNECTED = 1,
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CLIENT_STATE_DISCONNECTED = 2,
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CLIENT_STATE_CLEAN_SESSION = 3
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}client_state_t;
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typedef struct mqtt_connack_data {
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unsigned char rc;
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unsigned char session_present;
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} mqtt_connack_data_t;
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typedef struct mqtt_message {
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mqtt_qos_t qos;
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unsigned char retained;
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unsigned char dup;
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unsigned short id;
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size_t payloadlen;
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void *payload;
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} mqtt_message_t;
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typedef struct message_data {
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char topic_name[MQTT_TOPIC_LEN_MAX];
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mqtt_message_t *message;
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} message_data_t;
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typedef void (*message_handler_t)(void* client, message_data_t* msg);
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typedef void (*reconnect_handler_t)(void* client, void* reconnect_date);
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typedef struct message_handlers {
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list_t list;
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mqtt_qos_t qos;
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const char* topic_filter;
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message_handler_t handler;
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} message_handlers_t;
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typedef struct ack_handlers {
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list_t list;
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platform_timer_t timer;
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unsigned int type;
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unsigned short packet_id;
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message_handlers_t *handler;
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unsigned short payload_len;
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unsigned char *payload;
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} ack_handlers_t;
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typedef struct connect_params {
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char *client_id;
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char *user_name;
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char *password;
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size_t client_id_len;
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size_t user_name_len;
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size_t password_len;
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unsigned char will_flag;
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void *will_options;
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unsigned short keep_alive_interval;
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unsigned char clean_session;
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unsigned char mqtt_version;
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network_params_t network_params;
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} connect_params_t;
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typedef struct mqtt_client {
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unsigned short packet_id;
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unsigned char ping_outstanding;
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unsigned char ack_handler_number;
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unsigned char *read_buf;
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unsigned char *write_buf;
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unsigned int cmd_timeout;
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unsigned int read_buf_size;
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unsigned int write_buf_size;
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unsigned int reconnect_try_duration;
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void *reconnect_date;
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reconnect_handler_t reconnect_handler;
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client_state_t client_state;
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platform_mutex_t write_lock;
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platform_mutex_t global_lock;
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list_t msg_handler_list;
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list_t ack_handler_list;
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network_t *network;
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platform_thread_t *thread;
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platform_timer_t reconnect_timer;
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platform_timer_t last_sent;
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platform_timer_t last_received;
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connect_params_t *connect_params;
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} mqtt_client_t;
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typedef struct client_init_params{
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unsigned int cmd_timeout;
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unsigned int read_buf_size;
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unsigned int write_buf_size;
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unsigned int reconnect_try_duration;
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void *reconnect_date;
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reconnect_handler_t reconnect_handler;
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connect_params_t connect_params;
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} client_init_params_t;
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int mqtt_keep_alive(mqtt_client_t* c);
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int mqtt_init(mqtt_client_t* c, client_init_params_t* init);
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int mqtt_release(mqtt_client_t* c);
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int mqtt_connect(mqtt_client_t* c);
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int mqtt_disconnect(mqtt_client_t* c);
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int mqtt_subscribe(mqtt_client_t* c, const char* topic_filter, mqtt_qos_t qos, message_handler_t msg_handler);
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int mqtt_unsubscribe(mqtt_client_t* c, const char* topic_filter);
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int mqtt_publish(mqtt_client_t* c, const char* topic_filter, mqtt_message_t* msg);
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int mqtt_yield(mqtt_client_t* c, int timeout_ms);
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#endif /* _MQTTCLIENT_H_ */
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