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nat64-bpf: Use logging helpers and add verbose option

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Use the newly-added logging helpers from logging.h and add a -v option to
increase the effective log level.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
This commit is contained in:
Toke Høiland-Jørgensen
2022-04-20 13:25:27 +02:00
parent f27c7c2c46
commit 24cea38474
1 changed files with 9 additions and 1 deletions
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10
nat64-bpf/nat64.c
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@@ -20,6 +20,8 @@
#include <libmnl/libmnl.h>
#include <linux/rtnetlink.h>
#include "logging.h"
#include "nat64.h"
#include "nat64_kern.skel.h"
@@ -34,6 +36,7 @@ static const struct option long_options[] = {
{ "v6-prefix", required_argument, NULL, '6' }, // v6 prefix to use for nat64
{ "v4-prefix", required_argument, NULL, '4' }, // v4 prefix to use for nat64
{ "timeout", required_argument, NULL, 't' }, // Address mapping timeout interval in s
{ "verbose", required_argument, NULL, 'v' }, // verbose logging
{ 0, 0, NULL, 0 }
};
@@ -85,7 +88,7 @@ static int parse_arguments(int argc, char *argv[], struct nat64_user_config *con
config->c.v6_prefix.s6_addr[2] = 0xff;
config->c.v6_prefix.s6_addr[3] = 0x9b;
while ((opt = getopt_long(argc, argv, "i:6:4:t:a:hu", long_options,
while ((opt = getopt_long(argc, argv, "i:6:4:t:a:huv", long_options,
NULL)) != -1) {
switch (opt) {
case 'i':
@@ -161,6 +164,9 @@ static int parse_arguments(int argc, char *argv[], struct nat64_user_config *con
case 'u':
config->unload = true;
break;
case 'v':
increase_log_level();
break;
default:
fprintf(stderr, "Unknown option %s\n", argv[optind]);
return -EINVAL;
@@ -362,6 +368,8 @@ int main(int argc, char *argv[])
DECLARE_LIBBPF_OPTS(bpf_tc_opts, attach_egress);
DECLARE_LIBBPF_OPTS(bpf_tc_opts, attach_ingress);
init_lib_logging();
err = parse_arguments(argc, argv, &cfg);
if (err)
return EXIT_FAILURE;