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Add option to dnstap-read to print long timestamps

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Adds a -t option to dnstap-read to print timestamps with
millisecond precision
This commit is contained in:
Oliver Ford 2023-04-15 21:37:16 +01:00 committed by Matthijs Mekking
parent 2e85d9faaa
commit 3f9b8b7dfa
2 changed files with 20 additions and 3 deletions
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20
bin/tools/dnstap-read.c
View file

@ -57,6 +57,7 @@ bool memrecord = false;
bool printmessage = false;
bool hexmessage = false;
bool yaml = false;
bool timestampmillis = false;
const char *program = "dnstap-read";
@ -90,6 +91,8 @@ usage(void) {
fprintf(stderr, "dnstap-read [-mpxy] [filename]\n");
fprintf(stderr, "\t-m\ttrace memory allocations\n");
fprintf(stderr, "\t-p\tprint the full DNS message\n");
fprintf(stderr,
"\t-t\tprint long timestamps with millisecond precision\n");
fprintf(stderr, "\t-x\tuse hex format to print DNS message\n");
fprintf(stderr, "\t-y\tprint YAML format (implies -p)\n");
}
@ -231,13 +234,21 @@ print_yaml(dns_dtdata_t *dt) {
if (!isc_time_isepoch(&dt->qtime)) {
char buf[100];
isc_time_formatISO8601ms(&dt->qtime, buf, sizeof(buf));
if (timestampmillis) {
isc_time_formatISO8601ms(&dt->qtime, buf, sizeof(buf));
} else {
isc_time_formatISO8601(&dt->qtime, buf, sizeof(buf));
}
printf(" query_time: !!timestamp %s\n", buf);
}
if (!isc_time_isepoch(&dt->rtime)) {
char buf[100];
isc_time_formatISO8601ms(&dt->rtime, buf, sizeof(buf));
if (timestampmillis) {
isc_time_formatISO8601ms(&dt->rtime, buf, sizeof(buf));
} else {
isc_time_formatISO8601(&dt->rtime, buf, sizeof(buf));
}
printf(" response_time: !!timestamp %s\n", buf);
}
@ -330,7 +341,7 @@ main(int argc, char *argv[]) {
dns_dthandle_t *handle = NULL;
int rv = 0, ch;
while ((ch = isc_commandline_parse(argc, argv, "mpxy")) != -1) {
while ((ch = isc_commandline_parse(argc, argv, "mptxy")) != -1) {
switch (ch) {
case 'm':
isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
@ -339,6 +350,9 @@ main(int argc, char *argv[]) {
case 'p':
printmessage = true;
break;
case 't':
timestampmillis = true;
break;
case 'x':
hexmessage = true;
break;

3
bin/tools/dnstap-read.rst
View file

@ -43,6 +43,9 @@ Options
This option prints the text form of the DNS
message that was encapsulated in the ``dnstap`` frame, after printing the ``dnstap`` data.
.. option:: -t
This option prints long timestamps with millisecond precision.
.. option:: -x
This option prints a hex dump of the wire form