SourceVu will show references to esp_mqtt_client_config_t from the following samples and libraries:
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esp_mqtt_client_config_t struct
*MQTT* client configuration structure - Default values can be set via menuconfig - All certificates and key data could be passed in PEM or DER format. PEM format must have a terminating NULL character and the related len field set to 0. DER format requires a related len field set to the correct length.
Syntax
typedef struct esp_mqtt_client_config_t
{
struct broker_t {
struct address_t {
const char *uri;
const char *hostname;
esp_mqtt_transport_t transport;
const char *path;
uint32_t port;
} address;
struct verification_t {
bool use_global_ca_store;
esp_err_t (*crt_bundle_attach)(void *conf);
const char *certificate;
size_t certificate_len;
const struct psk_key_hint *psk_hint_key;
bool skip_cert_common_name_check;
const char **alpn_protos;
const char *common_name;
} verification;
} broker;
struct credentials_t {
const char *username;
const char *client_id;
bool set_null_client_id;
struct authentication_t {
const char *password;
const char *certificate;
size_t certificate_len;
const char *key;
size_t key_len;
const char *key_password;
int key_password_len;
bool use_secure_element;
void *ds_data;
} authentication;
} credentials;
struct session_t {
struct last_will_t {
const char *topic;
const char *msg;
int msg_len;
int qos;
int retain;
} last_will;
bool disable_clean_session;
int keepalive;
bool disable_keepalive;
esp_mqtt_protocol_ver_t protocol_ver;
int message_retransmit_timeout;
} session;
struct network_t {
int reconnect_timeout_ms;
int timeout_ms;
int refresh_connection_after_ms;
bool disable_auto_reconnect;
esp_transport_handle_t transport;
struct ifreq * if_name;
} network;
struct task_t {
int priority;
int stack_size;
} task;
struct buffer_t {
int size;
int out_size;
} buffer;
struct outbox_config_t {
uint64_t limit;
} outbox;
} esp_mqtt_client_config_t;
Fields
Field
Declared as
Description
struct broker_t {
struct address_t {
const char *uri;
const char *hostname;
esp_mqtt_transport_t transport;
const char *path;
uint32_t port;
} address;
struct verification_t {
bool use_global_ca_store;
esp_err_t (*crt_bundle_attach)(void *conf);
const char *certificate;
size_t certificate_len;
const struct psk_key_hint *psk_hint_key;
bool skip_cert_common_name_check;
const char **alpn_protos;
const char *common_name;
} verification;
}
Broker related configuration Broker address and security verification.
struct credentials_t {
const char *username;
const char *client_id;
bool set_null_client_id;
struct authentication_t {
const char *password;
const char *certificate;
size_t certificate_len;
const char *key;
size_t key_len;
const char *key_password;
int key_password_len;
bool use_secure_element;
void *ds_data;
} authentication;
}
Client related credentials for authentication. User credentials for broker.
struct session_t {
struct last_will_t {
const char *topic;
const char *msg;
int msg_len;
int qos;
int retain;
} last_will;
bool disable_clean_session;
int keepalive;
bool disable_keepalive;
esp_mqtt_protocol_ver_t protocol_ver;
int message_retransmit_timeout;
}
*MQTT* Session related configuration *MQTT* session configuration.
struct network_t {
int reconnect_timeout_ms;
int timeout_ms;
int refresh_connection_after_ms;
bool disable_auto_reconnect;
esp_transport_handle_t transport;
struct ifreq * if_name;
}
Network related configuration Network configuration.
Client task configuration FreeRTOS task configuration.
Client buffer size configuration Client have two buffers for input and output respectivelly. Buffer size configuration.
Client outbox configuration options. Outbox configuration.
Related Functions
Found 3 other functions taking a esp_mqtt_client_config_t
argument:
Function
Description
Creates *MQTT* client handle based on the configuration
Set configuration structure, typically used when updating the config (i.e. on "before_connect" event Notes: - When calling this function make sure to have all the intendend configurations set, otherwise default values are set.
Examples
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