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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#ifndef _COMMON_UTIL_TIME_STAT_H_
#define _COMMON_UTIL_TIME_STAT_H_
#include <stdint.h>
typedef struct {
uint64_t time; /* unit: microsecond */
uint64_t value; /* unit: microsecond */
} time_value_t;
typedef struct {
int head;
int tail;
time_value_t *buffer;
int maxsize;
int size;
} time_ring_t;
typedef struct {
int duration; /* unit: microsecond */
time_ring_t r;
uint64_t accumulated_value;
} time_average_t;
/* 'duration' is in unit microsecond */
time_average_t *time_average_new(int duration, int initial_size);
void time_average_free(time_average_t *t);
void time_average_reset(time_average_t *t);
/* add a value tagged with time 'time' unit microsecond (it also modifies 't',
* removing all data with time < 'time' - t->duration)
*/
void time_average_add(time_average_t *t, uint64_t time, uint64_t value);
/* get the average for time 'time' (it also modifies 't', removing all
* data with time < 'time' - t->duration)
*/
double time_average_get_average(time_average_t *t, uint64_t time);
/* unit microsecond */
uint64_t time_average_now(void);
#endif /* _COMMON_UTIL_TIME_STAT_H_ */