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https://github.com/espressif/esp-mqtt.git
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The information was used only to log remaining messages on debug log. It was checked on writing but updated prior to every call making the verification meaningless.
139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _MQTT_CLIENT_PRIV_H_
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#define _MQTT_CLIENT_PRIV_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdatomic.h>
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#include "esp_err.h"
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#include "platform.h"
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#include "esp_event.h"
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#include "mqtt_client.h"
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#include "mqtt_msg.h"
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#ifdef MQTT_PROTOCOL_5
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#include "mqtt5_client_priv.h"
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#endif
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#include "esp_transport.h"
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#include "esp_transport_tcp.h"
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#include "esp_transport_ssl.h"
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#include "esp_transport_ws.h"
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#include "esp_log.h"
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#include "mqtt_outbox.h"
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#include "freertos/event_groups.h"
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#include <errno.h>
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#include <string.h>
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#include "mqtt_supported_features.h"
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/* using uri parser */
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#include "http_parser.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef MQTT_DISABLE_API_LOCKS
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# define MQTT_API_LOCK(c)
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# define MQTT_API_UNLOCK(c)
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#else
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# define MQTT_API_LOCK(c) xSemaphoreTakeRecursive(c->api_lock, portMAX_DELAY)
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# define MQTT_API_UNLOCK(c) xSemaphoreGiveRecursive(c->api_lock)
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#endif /* MQTT_USE_API_LOCKS */
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typedef struct mqtt_state {
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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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size_t message_length;
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size_t in_buffer_read_len;
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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 struct {
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mqtt_event_callback_t event_handle;
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esp_event_loop_handle_t event_loop_handle;
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int task_stack;
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int task_prio;
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char *uri;
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char *host;
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char *path;
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char *scheme;
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int port;
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bool auto_reconnect;
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int network_timeout_ms;
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int refresh_connection_after_ms;
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int reconnect_timeout_ms;
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char **alpn_protos;
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int num_alpn_protos;
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char *clientkey_password;
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int clientkey_password_len;
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bool use_global_ca_store;
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esp_err_t ((*crt_bundle_attach)(void *conf));
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const char *cacert_buf;
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size_t cacert_bytes;
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const char *clientcert_buf;
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size_t clientcert_bytes;
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const char *clientkey_buf;
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size_t clientkey_bytes;
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const struct psk_key_hint *psk_hint_key;
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bool skip_cert_common_name_check;
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bool use_secure_element;
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void *ds_data;
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int message_retransmit_timeout;
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} mqtt_config_storage_t;
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typedef enum {
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MQTT_STATE_INIT = 0,
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MQTT_STATE_DISCONNECTED,
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MQTT_STATE_CONNECTED,
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MQTT_STATE_WAIT_RECONNECT,
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} mqtt_client_state_t;
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struct esp_mqtt_client {
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esp_transport_list_handle_t transport_list;
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esp_transport_handle_t transport;
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mqtt_config_storage_t *config;
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mqtt_state_t mqtt_state;
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mqtt_connect_info_t connect_info;
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mqtt_client_state_t state;
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uint64_t refresh_connection_tick;
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int64_t keepalive_tick;
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uint64_t reconnect_tick;
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#ifdef MQTT_PROTOCOL_5
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mqtt5_config_storage_t *mqtt5_config;
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uint16_t send_publish_packet_count; // This is for MQTT v5.0 flow control
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#endif
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int wait_timeout_ms;
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int auto_reconnect;
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esp_mqtt_event_t event;
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bool run;
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bool wait_for_ping_resp;
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outbox_handle_t outbox;
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EventGroupHandle_t status_bits;
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SemaphoreHandle_t api_lock;
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TaskHandle_t task_handle;
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#if MQTT_EVENT_QUEUE_SIZE > 1
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atomic_int queued_events;
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#endif
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};
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bool esp_mqtt_set_if_config(char const *const new_config, char **old_config);
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void esp_mqtt_destroy_config(esp_mqtt_client_handle_t client);
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#ifdef __cplusplus
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}
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#endif //__cplusplus
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#endif
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