RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-29 12:17:36 +00:00
Code Issues Activity Actions

ntpquery: Record destination timestamp as well

Browse source
This commit is contained in:
Nico Weber 2020-09-01 15:44:27 -04:00 • committed by Andreas Kling
parent 1c20e684f3
commit 8016b2c546
1 changed files with 11 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Userland/ntpquery.cpp
View file

@ -168,6 +168,7 @@ int main(int argc, char** argv)
socklen_t peer_address_size = sizeof(peer_address); socklen_t peer_address_size = sizeof(peer_address);
rc = recvfrom(fd, &packet, sizeof(packet), 0, (struct sockaddr*)&peer_address, &peer_address_size); rc = recvfrom(fd, &packet, sizeof(packet), 0, (struct sockaddr*)&peer_address, &peer_address_size);
gettimeofday(&t, nullptr);
if (rc < 0) { if (rc < 0) {
perror("recvfrom"); perror("recvfrom");
return 1; return 1;
@ -177,6 +178,11 @@ int main(int argc, char** argv)
return 1; return 1;
} }
NtpTimestamp origin_timestamp = be64toh(packet.origin_timestamp);
NtpTimestamp receive_timestamp = be64toh(packet.receive_timestamp);
NtpTimestamp transmit_timestamp = be64toh(packet.transmit_timestamp);
NtpTimestamp destination_timestamp = ntp_timestamp_from_timeval(t);
printf("NTP response from %s:\n", inet_ntoa(peer_address.sin_addr)); printf("NTP response from %s:\n", inet_ntoa(peer_address.sin_addr));
printf("Leap Information: %d\n", packet.li_vn_mode >> 6); printf("Leap Information: %d\n", packet.li_vn_mode >> 6);
printf("Version Number: %d\n", (packet.li_vn_mode >> 3) & 7); printf("Version Number: %d\n", (packet.li_vn_mode >> 3) & 7);
@ -187,8 +193,9 @@ int main(int argc, char** argv)
printf("Root delay: %#x\n", ntohl(packet.root_delay)); printf("Root delay: %#x\n", ntohl(packet.root_delay));
printf("Root dispersion: %#x\n", ntohl(packet.root_dispersion)); printf("Root dispersion: %#x\n", ntohl(packet.root_dispersion));
printf("Reference ID: %#x\n", ntohl(packet.reference_id)); printf("Reference ID: %#x\n", ntohl(packet.reference_id));
printf("Reference timestamp: %#016llx (%s)\n", be64toh(packet.reference_timestamp), format_ntp_timestamp(be64toh(packet.reference_timestamp)).characters()); printf("Reference timestamp: %#016llx (%s)\n", be64toh(packet.reference_timestamp), format_ntp_timestamp(be64toh(packet.reference_timestamp)).characters());
printf("Origin timestamp: %#016llx (%s)\n", be64toh(packet.origin_timestamp), format_ntp_timestamp(be64toh(packet.origin_timestamp)).characters()); printf("Origin timestamp: %#016llx (%s)\n", origin_timestamp, format_ntp_timestamp(origin_timestamp).characters());
printf("Receive timestamp: %#016llx (%s)\n", be64toh(packet.receive_timestamp), format_ntp_timestamp(be64toh(packet.receive_timestamp)).characters()); printf("Receive timestamp: %#016llx (%s)\n", receive_timestamp, format_ntp_timestamp(receive_timestamp).characters());
printf("Transmit timestamp: %#016llx (%s)\n", be64toh(packet.transmit_timestamp), format_ntp_timestamp(be64toh(packet.transmit_timestamp)).characters()); printf("Transmit timestamp: %#016llx (%s)\n", transmit_timestamp, format_ntp_timestamp(transmit_timestamp).characters());
printf("Destination timestamp: %#016llx (%s)\n", destination_timestamp, format_ntp_timestamp(destination_timestamp).characters());
} }