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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
commita0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch)
tree8feaf1a1932871b139b3b30be4c09c66489918be /tc/m_estimator.c
parentInitial commit. (diff)
downloadiproute2-upstream.tar.xz
iproute2-upstream.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.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/tc/m_estimator.c b/tc/m_estimator.c
new file mode 100644
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--- /dev/null
+++ b/tc/m_estimator.c
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+/*
+ * 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;
+}