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esp_mqtt5_connection_property_config_t struct
MQTT5 protocol connect properties and will properties configuration, more details refer to MQTT5 protocol document section 3.1.2.11 and 3.3.2.3
Syntax
typedef struct
{
uint32_t session_expiry_interval;
uint32_t maximum_packet_size;
uint16_t receive_maximum;
uint16_t topic_alias_maximum;
bool request_resp_info;
bool request_problem_info;
mqtt5_user_property_handle_t user_property;
uint32_t will_delay_interval;
uint32_t message_expiry_interval;
bool payload_format_indicator;
const char *content_type;
const char *response_topic;
const char *correlation_data;
uint16_t correlation_data_len;
mqtt5_user_property_handle_t will_user_property;
} esp_mqtt5_connection_property_config_t;
Fields
Field
Declared as
Description
uint32_t
The interval time of session expiry.
uint32_t
The maximum packet size that we can receive.
uint16_t
The maximum pakcket count that we process concurrently.
uint16_t
The maximum topic alias that we support.
bool
This value to request Server to return Response information.
bool
This value to indicate whether the reason string or user properties are sent in case of failures.
The handle for user property, call function esp_mqtt5_client_set_user_property to set it.
uint32_t
The time interval that server delays publishing will message.
uint32_t
The time interval that message expiry.
bool
This value is to indicator will message payload format.
const char *
This value is to indicator will message content type, use a MIME content type string.
const char *
Topic name for a response message.
const char *
Binary data for receiver to match the response message.
The handle for will message user property, call function esp_mqtt5_client_set_user_property to set it.
Examples
Code
Location
Scope
Referrer