OVMS3-idf/components/esp_event/private_include/esp_event_internal.h

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2018-10-26 05:14:19 +00:00
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef ESP_EVENT_INTERNAL_H_
#define ESP_EVENT_INTERNAL_H_
#include "esp_event.h"
#ifdef __cplusplus
extern "C" {
#endif
/// Event handler
typedef struct esp_event_handler_instance {
esp_event_handler_t handler; /**< event handler function*/
void* arg; /**< event handler argument */
#ifdef CONFIG_EVENT_LOOP_PROFILING
uint32_t total_times_invoked; /**< number of times this handler has been invoked */
int64_t total_runtime; /**< total runtime of this handler across all calls */
#endif
SLIST_ENTRY(esp_event_handler_instance) handler_entry; /**< next event handler in the list */
} esp_event_handler_instance_t;
typedef SLIST_HEAD(esp_event_handler_instances, esp_event_handler_instance) esp_event_handler_instances_t;
typedef struct esp_event_id_instance {
int32_t id;
esp_event_handler_instances_t handlers; /**< list of handlers to be executed when
this event is raised */
SLIST_ENTRY(esp_event_id_instance) event_id_entry; /**< pointer to the next event node on the linked list */
#ifdef CONFIG_EVENT_LOOP_PROFILING
uint32_t handlers_invoked; /**< total number of times the event has been
raised and processed in the loop */
int64_t handlers_runtime; /**< total time spent in executing handlers */
#endif
} esp_event_id_instance_t;
typedef SLIST_HEAD(esp_event_id_instances, esp_event_id_instance) esp_event_id_instances_t;
/// Event
typedef struct esp_event_base_instance {
esp_event_base_t base; /**< base identifier of the event */
esp_event_handler_instances_t base_handlers; /**< event base level handlers, handlers for
all events with this base */
esp_event_id_instances_t event_ids; /**< list of event ids with this base */
SLIST_ENTRY(esp_event_base_instance) event_base_entry; /**< pointer to the next event node on the linked list */
#ifdef CONFIG_EVENT_LOOP_PROFILING
uint32_t base_handlers_invoked; /**< total number of base-level handlers invoked */
int64_t base_handlers_runtime; /**< amount of time processing base-level handlers */
#endif
} esp_event_base_instance_t;
typedef SLIST_HEAD(esp_event_base_instances, esp_event_base_instance) esp_event_base_instances_t;
/// Event loop
typedef struct esp_event_loop_instance {
const char* name; /**< name of this event loop */
QueueHandle_t queue; /**< event queue */
TaskHandle_t task; /**< task that consumes the event queue */
TaskHandle_t running_task; /**< for loops with no dedicated task, the
task that consumes the queue */
SemaphoreHandle_t mutex; /**< mutex for updating the events linked list */
esp_event_handler_instances_t loop_handlers; /**< loop level handlers, handlers for all events
registered in the loop */
esp_event_base_instances_t event_bases; /**< events linked list head pointer */
#ifdef CONFIG_EVENT_LOOP_PROFILING
uint32_t events_recieved; /**< number of events successfully posted to the loop */
uint32_t events_dropped; /**< number of events dropped due to queue being full */
uint32_t loop_handlers_invoked; /**< total number of loop-level handlers invoked */
int64_t loop_handlers_runtime; /**< amount of time processing loop-level handlers */
uint32_t total_handlers_invoked; /**< total number of handlers invoked */
int64_t total_handlers_runtime; /**< total amount of time dedicated to processing this loop */
SLIST_ENTRY(esp_event_loop_instance) loop_entry; /**< next event loop in the list */
SemaphoreHandle_t profiling_mutex;
#endif
} esp_event_loop_instance_t;
/// Event posted to the event queue
typedef struct esp_event_post_instance {
esp_event_base_t base; /**< the event base */
int32_t id; /**< the event id */
void** data; /**< data associated with the event */
} esp_event_post_instance_t;
#ifdef __cplusplus
} // extern "C"
#endif
#endif // #ifndef ESP_EVENT_INTERNAL_H_