313 lines
10 KiB
C++
313 lines
10 KiB
C++
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/*
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* SPDX-FileCopyrightText: 2023 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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#pragma once
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#include "sdkconfig.h"
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#include "soc/soc_caps.h"
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#include "esp_err.h"
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#include "esp_event.h"
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#include "esp_netif_types.h"
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#if CONFIG_ETH_ENABLED
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#include "esp_eth_driver.h"
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#endif
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#include <functional>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#include "freertos/event_groups.h"
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#if defined NETWORK_EVENTS_MUTEX && SOC_CPU_CORES_NUM > 1
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#include <mutex>
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#endif // defined NETWORK_EVENTS_MUTEX && SOC_CPU_CORES_NUM > 1
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#if SOC_WIFI_SUPPORTED || CONFIG_ESP_WIFI_REMOTE_ENABLED
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#include "esp_wifi_types.h"
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#include "esp_smartconfig.h"
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#if CONFIG_NETWORK_PROV_NETWORK_TYPE_WIFI
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#include "network_provisioning/network_config.h"
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#endif
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#endif
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#if SOC_WIFI_SUPPORTED || CONFIG_ESP_WIFI_REMOTE_ENABLED
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constexpr int WIFI_SCANNING_BIT = BIT0;
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constexpr int WIFI_SCAN_DONE_BIT = BIT1;
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#endif
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#define NET_HAS_IP6_GLOBAL_BIT 0
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ESP_EVENT_DECLARE_BASE(ARDUINO_EVENTS);
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typedef enum {
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ARDUINO_EVENT_NONE = 0,
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ARDUINO_EVENT_ETH_START,
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ARDUINO_EVENT_ETH_STOP,
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ARDUINO_EVENT_ETH_CONNECTED,
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ARDUINO_EVENT_ETH_DISCONNECTED,
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ARDUINO_EVENT_ETH_GOT_IP,
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ARDUINO_EVENT_ETH_LOST_IP,
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ARDUINO_EVENT_ETH_GOT_IP6,
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#if SOC_WIFI_SUPPORTED || CONFIG_ESP_WIFI_REMOTE_ENABLED
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ARDUINO_EVENT_WIFI_OFF = 100,
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ARDUINO_EVENT_WIFI_READY,
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ARDUINO_EVENT_WIFI_SCAN_DONE,
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ARDUINO_EVENT_WIFI_FTM_REPORT,
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ARDUINO_EVENT_WIFI_STA_START = 110,
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ARDUINO_EVENT_WIFI_STA_STOP,
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ARDUINO_EVENT_WIFI_STA_CONNECTED,
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ARDUINO_EVENT_WIFI_STA_DISCONNECTED,
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ARDUINO_EVENT_WIFI_STA_AUTHMODE_CHANGE,
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ARDUINO_EVENT_WIFI_STA_GOT_IP,
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ARDUINO_EVENT_WIFI_STA_GOT_IP6,
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ARDUINO_EVENT_WIFI_STA_LOST_IP,
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ARDUINO_EVENT_WIFI_AP_START = 130,
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ARDUINO_EVENT_WIFI_AP_STOP,
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ARDUINO_EVENT_WIFI_AP_STACONNECTED,
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ARDUINO_EVENT_WIFI_AP_STADISCONNECTED,
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ARDUINO_EVENT_WIFI_AP_STAIPASSIGNED,
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ARDUINO_EVENT_WIFI_AP_PROBEREQRECVED,
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ARDUINO_EVENT_WIFI_AP_GOT_IP6,
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ARDUINO_EVENT_WPS_ER_SUCCESS = 140,
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ARDUINO_EVENT_WPS_ER_FAILED,
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ARDUINO_EVENT_WPS_ER_TIMEOUT,
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ARDUINO_EVENT_WPS_ER_PIN,
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ARDUINO_EVENT_WPS_ER_PBC_OVERLAP,
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ARDUINO_EVENT_SC_SCAN_DONE = 150,
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ARDUINO_EVENT_SC_FOUND_CHANNEL,
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ARDUINO_EVENT_SC_GOT_SSID_PSWD,
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ARDUINO_EVENT_SC_SEND_ACK_DONE,
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ARDUINO_EVENT_PROV_INIT = 160,
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ARDUINO_EVENT_PROV_DEINIT,
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ARDUINO_EVENT_PROV_START,
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ARDUINO_EVENT_PROV_END,
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ARDUINO_EVENT_PROV_CRED_RECV,
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ARDUINO_EVENT_PROV_CRED_FAIL,
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ARDUINO_EVENT_PROV_CRED_SUCCESS,
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#endif
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ARDUINO_EVENT_PPP_START = 200,
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ARDUINO_EVENT_PPP_STOP,
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ARDUINO_EVENT_PPP_CONNECTED,
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ARDUINO_EVENT_PPP_DISCONNECTED,
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ARDUINO_EVENT_PPP_GOT_IP,
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ARDUINO_EVENT_PPP_LOST_IP,
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ARDUINO_EVENT_PPP_GOT_IP6,
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ARDUINO_EVENT_MAX
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} arduino_event_id_t;
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typedef union {
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ip_event_ap_staipassigned_t wifi_ap_staipassigned;
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ip_event_got_ip_t got_ip;
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ip_event_got_ip_t lost_ip;
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ip_event_got_ip6_t got_ip6;
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#if CONFIG_ETH_ENABLED
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esp_eth_handle_t eth_started;
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esp_eth_handle_t eth_stopped;
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esp_eth_handle_t eth_connected;
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esp_eth_handle_t eth_disconnected;
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#endif
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#if SOC_WIFI_SUPPORTED || CONFIG_ESP_WIFI_REMOTE_ENABLED
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wifi_event_sta_scan_done_t wifi_scan_done;
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wifi_event_sta_authmode_change_t wifi_sta_authmode_change;
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wifi_event_sta_connected_t wifi_sta_connected;
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wifi_event_sta_disconnected_t wifi_sta_disconnected;
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wifi_event_sta_wps_er_pin_t wps_er_pin;
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wifi_event_sta_wps_fail_reason_t wps_fail_reason;
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wifi_event_ap_probe_req_rx_t wifi_ap_probereqrecved;
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wifi_event_ap_staconnected_t wifi_ap_staconnected;
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wifi_event_ap_stadisconnected_t wifi_ap_stadisconnected;
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wifi_event_ftm_report_t wifi_ftm_report;
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#endif
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#if SOC_WIFI_SUPPORTED
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wifi_sta_config_t prov_cred_recv;
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#if CONFIG_NETWORK_PROV_NETWORK_TYPE_WIFI
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network_prov_wifi_sta_fail_reason_t prov_fail_reason;
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#endif
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smartconfig_event_got_ssid_pswd_t sc_got_ssid_pswd;
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#endif
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} arduino_event_info_t;
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/**
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* @brief struct combines arduino event id and event's data object
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*
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*/
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struct arduino_event_t {
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arduino_event_id_t event_id;
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arduino_event_info_t event_info;
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};
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// type aliases
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using NetworkEventCb = void (*)(arduino_event_id_t event);
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using NetworkEventFuncCb = std::function<void(arduino_event_id_t event, arduino_event_info_t info)>;
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using NetworkEventSysCb = void (*)(arduino_event_t *event);
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using network_event_handle_t = size_t;
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/**
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* @brief Class that provides network events callback handling
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* it registers user callback functions for event handling,
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* maintains the queue of events and propagates the event among subscribed callbacks
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* callback are called in the context of a dedicated task consuming the queue
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*
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*/
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class NetworkEvents {
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public:
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NetworkEvents();
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~NetworkEvents();
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/**
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* @brief register callback function to be executed on arduino event(s)
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* @note if same handler is registered twice or more than same handler would be called twice or more times
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*
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* @param cbEvent static callback function
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* @param event event to process, any event by default
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* @return network_event_handle_t
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*/
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network_event_handle_t onEvent(NetworkEventCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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/**
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* @brief register functional callback to be executed on arduino event(s)
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* also used for lambda callbacks
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* @note if same handler is registered twice or more than same handler would be called twice or more times
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*
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* @param cbEvent static callback function
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* @param event event to process, any event by default
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* @return network_event_handle_t
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*/
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network_event_handle_t onEvent(NetworkEventFuncCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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/**
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* @brief register static system callback to be executed on arduino event(s)
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* callback function would be supplied with a pointer to arduino_event_t structure as an argument
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*
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* @note if same handler is registered twice or more than same handler would be called twice or more times
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*
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* @param cbEvent static callback function
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* @param event event to process, any event by default
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* @return network_event_handle_t
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*/
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network_event_handle_t onEvent(NetworkEventSysCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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/**
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* @brief unregister static function callback
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* @note a better way to unregister callbacks is to save/unregister via network_event_handle_t
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*
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* @param cbEvent static callback function
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* @param event event to process, any event by default
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*/
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void removeEvent(NetworkEventCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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/**
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* @brief unregister functional callback
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* @note a better way to unregister callbacks is to save/unregister via network_event_handle_t
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* @note this does not work for lambda's! Do unregister via network_event_handle_t
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*
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* @param cbEvent functional callback
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* @param event event to process, any event by default
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*/
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void removeEvent(NetworkEventFuncCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX)
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__attribute__((deprecated("removing functional callbacks via pointer is deprecated, use removeEvent(network_event_handle_t) instead")));
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/**
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* @brief unregister static system function callback
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* @note a better way to unregister callbacks is to save/unregister via network_event_handle_t
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*
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* @param cbEvent static callback function
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* @param event event to process, any event by default
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*/
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void removeEvent(NetworkEventSysCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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/**
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* @brief unregister event callback via handler
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*
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* @param cbEvent static callback function
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* @param event event to process, any event by default
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*/
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void removeEvent(network_event_handle_t event_handle);
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/**
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* @brief get a human-readable name of an event by it's id
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*
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* @param id event id code
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* @return const char* event name string
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*/
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static const char *eventName(arduino_event_id_t id);
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/**
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* @brief post an event to the queue
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* and propagade and event to subscribed handlers
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* @note posting an event will trigger context switch from a lower priority task
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*
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* @param event a pointer to arduino_event_t struct
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* @return true if event was queued susccessfuly
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* @return false on memrory allocation error or queue is full
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*/
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bool postEvent(const arduino_event_t *event);
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int getStatusBits() const;
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int waitStatusBits(int bits, uint32_t timeout_ms);
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int setStatusBits(int bits);
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int clearStatusBits(int bits);
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friend class ESP_NetworkInterface;
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friend class ETHClass;
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friend class PPPClass;
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#if SOC_WIFI_SUPPORTED || CONFIG_ESP_WIFI_REMOTE_ENABLED
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friend class STAClass;
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friend class APClass;
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friend class WiFiGenericClass;
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#endif
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protected:
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bool initNetworkEvents();
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// same as onEvent() but places newly added handler at the beginning of registered events list
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network_event_handle_t onSysEvent(NetworkEventCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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// same as onEvent() but places newly added handler at the beginning of registered events list
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network_event_handle_t onSysEvent(NetworkEventFuncCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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// same as onEvent() but places newly added handler at the beginning of registered events list
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network_event_handle_t onSysEvent(NetworkEventSysCb cbEvent, arduino_event_id_t event = ARDUINO_EVENT_MAX);
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private:
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/**
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* @brief an object holds callback's definitions:
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* - callback id
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* - callback function pointers
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* - binded event id
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*
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*/
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struct NetworkEventCbList_t {
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network_event_handle_t id;
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NetworkEventCb cb;
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NetworkEventFuncCb fcb;
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NetworkEventSysCb scb;
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arduino_event_id_t event;
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explicit NetworkEventCbList_t(
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network_event_handle_t id, NetworkEventCb cb = nullptr, NetworkEventFuncCb fcb = nullptr, NetworkEventSysCb scb = nullptr,
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arduino_event_id_t event = ARDUINO_EVENT_MAX
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)
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: id(id), cb(cb), fcb(fcb), scb(scb), event(event) {}
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};
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// define initial id's value
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network_event_handle_t _current_id{0};
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EventGroupHandle_t _arduino_event_group;
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QueueHandle_t _arduino_event_queue;
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TaskHandle_t _arduino_event_task_handle;
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// registered events callbacks container
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std::vector<NetworkEventCbList_t> _cbEventList;
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#if defined NETWORK_EVENTS_MUTEX && SOC_CPU_CORES_NUM > 1
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// container access mutex
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std::mutex _mtx;
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#endif // defined NETWORK_EVENTS_MUTEX && SOC_CPU_CORES_NUM > 1
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/**
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* @brief task function that picks events from an event queue and calls registered callbacks
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*
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*/
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void _checkForEvent();
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};
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