171 lines
6.9 KiB
C
171 lines
6.9 KiB
C
/*
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* Copyright (C) 2015-2018 Alibaba Group Holding Limited
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*/
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#ifndef __IOTX_MQTT_H__
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#define __IOTX_MQTT_H__
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#include "infra_types.h"
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#include "infra_list.h"
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#include "infra_timer.h"
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#include "iotx_mqtt_config.h"
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#include "mqtt_api.h"
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#include "MQTTPacket.h"
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#ifdef INFRA_MEM_STATS
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#include "infra_mem_stats.h"
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#define mqtt_malloc(size) LITE_malloc(size, MEM_MAGIC, "mqtt")
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#define mqtt_free(ptr) LITE_free(ptr)
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#else
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#define mqtt_malloc(size) HAL_Malloc(size)
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#define mqtt_free(ptr) {HAL_Free((void *)ptr);ptr = NULL;}
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#endif
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#define MQTT_DYNBUF_SEND_MARGIN (64)
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#define MQTT_DYNBUF_RECV_MARGIN (8)
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typedef enum {
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IOTX_MC_CONNECTION_ACCEPTED = 0,
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IOTX_MC_CONNECTION_REFUSED_UNACCEPTABLE_PROTOCOL_VERSION = 1,
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IOTX_MC_CONNECTION_REFUSED_IDENTIFIER_REJECTED = 2,
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IOTX_MC_CONNECTION_REFUSED_SERVER_UNAVAILABLE = 3,
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IOTX_MC_CONNECTION_REFUSED_BAD_USERDATA = 4,
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IOTX_MC_CONNECTION_REFUSED_NOT_AUTHORIZED = 5
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} iotx_mc_connect_ack_code_t;
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/* State of MQTT client */
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typedef enum {
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IOTX_MC_STATE_INVALID = 0, /* MQTT in invalid state */
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IOTX_MC_STATE_INITIALIZED = 1, /* MQTT in initializing state */
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IOTX_MC_STATE_CONNECTED = 2, /* MQTT in connected state */
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IOTX_MC_STATE_DISCONNECTED = 3, /* MQTT in disconnected state */
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IOTX_MC_STATE_DISCONNECTED_RECONNECTING = 4, /* MQTT in reconnecting state */
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IOTX_MC_STATE_CONNECT_BLOCK = 5 /* MQTT in connecting state when using async protocol stack */
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} iotx_mc_state_t;
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typedef enum MQTT_NODE_STATE {
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IOTX_MC_NODE_STATE_NORMANL = 0,
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IOTX_MC_NODE_STATE_INVALID,
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} iotx_mc_node_t;
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typedef enum {
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TOPIC_NAME_TYPE = 0,
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TOPIC_FILTER_TYPE
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} iotx_mc_topic_type_t;
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/* Handle structure of subscribed topic */
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typedef struct iotx_mc_topic_handle_s {
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iotx_mc_topic_type_t topic_type;
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iotx_mqtt_event_handle_t handle;
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#ifdef PLATFORM_HAS_DYNMEM
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const char *topic_filter;
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struct list_head linked_list;
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#else
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const char topic_filter[CONFIG_MQTT_TOPIC_MAXLEN];
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int used;
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#endif
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} iotx_mc_topic_handle_t;
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#if !WITH_MQTT_ONLY_QOS0
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/* Information structure of published topic */
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typedef struct REPUBLISH_INFO {
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iotx_time_t pub_start_time; /* start time of publish request */
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iotx_mc_node_t node_state; /* state of this node */
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uint16_t msg_id; /* packet id of publish */
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uint32_t len; /* length of publish message */
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#ifdef PLATFORM_HAS_DYNMEM
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unsigned char *buf; /* publish message */
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struct list_head linked_list;
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#else
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unsigned char buf[IOTX_MC_TX_MAX_LEN]; /* publish message */
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int used;
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#endif
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} iotx_mc_pub_info_t, *iotx_mc_pub_info_pt;
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#endif
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/* Reconnected parameter of MQTT client */
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typedef struct {
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iotx_time_t reconnect_next_time; /* the next time point of reconnect */
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uint32_t reconnect_time_interval_ms; /* time interval of this reconnect */
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} iotx_mc_reconnect_param_t;
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typedef struct {
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uintptr_t packet_id;
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uint8_t ack_type;
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iotx_mqtt_event_handle_func_fpt sub_state_cb;
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#ifdef PLATFORM_HAS_DYNMEM
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struct list_head linked_list;
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#else
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int used;
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#endif
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} mqtt_sub_sync_node_t;
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/* structure of MQTT client */
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typedef struct Client {
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void *lock_generic; /* generic lock */
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uint32_t packet_id; /* packet id */
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uint32_t request_timeout_ms; /* request timeout in millisecond */
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uint32_t cycle_timeout_ms;
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uint32_t buf_size_send; /* send buffer size in byte */
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#ifdef PLATFORM_HAS_DYNMEM
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#if WITH_MQTT_DYN_BUF
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uint32_t buf_size_send_max; /* send buffer size max limit in byte */
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uint32_t buf_size_read_max; /* recv buffer size max limit in byte */
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#endif
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#endif
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uint32_t buf_size_read; /* read buffer size in byte */
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uint8_t keepalive_probes; /* keepalive probes */
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#ifdef PLATFORM_HAS_DYNMEM
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char *buf_send; /* pointer of send buffer */
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char *buf_read; /* pointer of read buffer */
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#else
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char buf_send[IOTX_MC_TX_MAX_LEN];
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char buf_read[IOTX_MC_RX_MAX_LEN];
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#endif
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#ifdef PLATFORM_HAS_DYNMEM
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struct list_head list_sub_handle; /* list of subscribe handle */
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#else
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iotx_mc_topic_handle_t list_sub_handle[IOTX_MC_SUBHANDLE_LIST_MAX_LEN];
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#endif
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utils_network_t ipstack; /* network parameter */
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iotx_time_t next_ping_time; /* next ping time */
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iotx_mc_state_t client_state; /* state of MQTT client */
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iotx_mc_reconnect_param_t reconnect_param; /* reconnect parameter */
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MQTTPacket_connectData connect_data; /* connection parameter */
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#if !WITH_MQTT_ONLY_QOS0
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#ifdef PLATFORM_HAS_DYNMEM
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struct list_head list_pub_wait_ack; /* list of wait publish ack */
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#else
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iotx_mc_pub_info_t list_pub_wait_ack[IOTX_MC_REPUB_NUM_MAX];
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#endif
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#endif
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#ifdef PLATFORM_HAS_DYNMEM
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struct list_head list_sub_sync_ack;
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#else
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mqtt_sub_sync_node_t list_sub_sync_ack[IOTX_MC_SUBSYNC_LIST_MAX_LEN];
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#endif
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void *lock_list_pub; /* lock for list of QoS1 pub */
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void *lock_write_buf; /* lock of write */
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void *lock_read_buf; /* lock of write */
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void *lock_yield;
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iotx_mqtt_event_handle_t handle_event; /* event handle */
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#ifndef PLATFORM_HAS_DYNMEM
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int used;
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#endif
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} iotx_mc_client_t, *iotx_mc_client_pt;
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/* Information structure of mutli-subscribe */
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typedef struct {
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const char *topicFilter;
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iotx_mqtt_qos_t qos;
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iotx_mqtt_event_handle_func_fpt messageHandler;
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} iotx_mutli_sub_info_t, *iotx_mutli_sub_info_pt;
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#endif /* __IOTX_MQTT_H__ */
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