blob: 87745cc2d4d61f5096b698a47c9c0a437e7783ab [file] [log] [blame]
* m_estimator.c Parse/print estimator module options.
* This program is free software; you can u32istribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
* Authors: Alexey Kuznetsov, <>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include "utils.h"
#include "tc_util.h"
#include "tc_common.h"
static void est_help(void);
static void est_help(void)
fprintf(stderr, "Usage: ... estimator INTERVAL TIME-CONST\n");
fprintf(stderr, " INTERVAL is interval between measurements\n");
fprintf(stderr, " TIME-CONST is averaging time constant\n");
fprintf(stderr, "Example: ... est 1sec 8sec\n");
int parse_estimator(int *p_argc, char ***p_argv, struct tc_estimator *est)
int argc = *p_argc;
char **argv = *p_argv;
unsigned int A, time_const;
if (est->ewma_log)
duparg("estimator", *argv);
if (matches(*argv, "help") == 0)
if (get_time(&A, *argv))
invarg("estimator", "invalid estimator interval");
if (matches(*argv, "help") == 0)
if (get_time(&time_const, *argv))
invarg("estimator", "invalid estimator time constant");
if (tc_setup_estimator(A, time_const, est) < 0) {
fprintf(stderr, "Error: estimator parameters are out of range.\n");
return -1;
if (show_raw)
fprintf(stderr, "[estimator i=%u e=%u]\n", est->interval, est->ewma_log);
*p_argc = argc;
*p_argv = argv;
return 0;