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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
commit | a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch) | |
tree | 8feaf1a1932871b139b3b30be4c09c66489918be /tc/m_estimator.c | |
parent | Initial commit. (diff) | |
download | iproute2-a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67.tar.xz iproute2-a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67.zip |
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tc/m_estimator.c')
-rw-r--r-- | tc/m_estimator.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tc/m_estimator.c b/tc/m_estimator.c new file mode 100644 index 0000000..b5f4c86 --- /dev/null +++ b/tc/m_estimator.c @@ -0,0 +1,64 @@ +/* + * 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, <kuznet@ms2.inr.ac.ru> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.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" + " INTERVAL is interval between measurements\n" + " TIME-CONST is averaging time constant\n" + "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; + + NEXT_ARG(); + if (est->ewma_log) + duparg("estimator", *argv); + if (matches(*argv, "help") == 0) + est_help(); + if (get_time(&A, *argv)) + invarg("estimator", "invalid estimator interval"); + NEXT_ARG(); + if (matches(*argv, "help") == 0) + est_help(); + 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=%hhd e=%u]\n", est->interval, est->ewma_log); + *p_argc = argc; + *p_argv = argv; + return 0; +} |