Lagom: Add ntpquery to lagom build
This commit is contained in:
Nico Weber
Andreas Kling
parent
81add73955
commit
5c2e8b6189
Notes:
sideshowbarker
2024-07-19 01:25:11 +09:00
Author: https://github.com/nico Commit: https://github.com/SerenityOS/serenity/commit/5c2e8b61892 Pull-request: https://github.com/SerenityOS/serenity/pull/4065
2 changed files with 22 additions and 9 deletions
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@ -86,6 +86,10 @@ if (BUILD_LAGOM)
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target_link_libraries(js_lagom stdc++)
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target_link_libraries(js_lagom pthread)
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add_executable(ntpquery_lagom ../../Userland/ntpquery.cpp)
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set_target_properties(ntpquery_lagom PROPERTIES OUTPUT_NAME ntpquery)
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target_link_libraries(ntpquery_lagom Lagom)
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add_executable(test-js_lagom ../../Userland/test-js.cpp)
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set_target_properties(test-js_lagom PROPERTIES OUTPUT_NAME test-js)
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target_link_libraries(test-js_lagom Lagom)
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@ -24,11 +24,13 @@
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define _GNU_SOURCE
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#define _BSD_SOURCE
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#define _DEFAULT_SOURCE
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#include <AK/Random.h>
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#include <LibCore/ArgsParser.h>
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#include <arpa/inet.h>
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#include <endian.h>
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#include <inttypes.h>
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#include <math.h>
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#include <netdb.h>
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#include <netinet/in.h>
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@ -37,6 +39,7 @@
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <sys/uio.h>
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#include <time.h>
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// An NtpTimestamp is a 64-bit integer that's a 32.32 binary-fixed point number.
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// The integral part in the upper 32 bits represents seconds since 1900-01-01.
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@ -99,7 +102,7 @@ static String format_ntp_timestamp(NtpTimestamp ntp_timestamp)
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gmtime_r(&t.tv_sec, &tm);
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size_t written = strftime(buffer, sizeof(buffer), "%Y-%m-%dT%T.", &tm);
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ASSERT(written == 20);
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written += snprintf(buffer + written, sizeof(buffer) - written, "%06d", t.tv_usec);
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written += snprintf(buffer + written, sizeof(buffer) - written, "%06d", (int)t.tv_usec);
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ASSERT(written == 26);
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buffer[written++] = 'Z';
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buffer[written] = '\0';
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@ -108,10 +111,12 @@ static String format_ntp_timestamp(NtpTimestamp ntp_timestamp)
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int main(int argc, char** argv)
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{
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#ifdef __serenity__
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if (pledge("stdio inet dns settime", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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#endif
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bool adjust_time = false;
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bool set_time = false;
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@ -139,12 +144,14 @@ int main(int argc, char** argv)
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return 1;
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}
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#ifdef __serenity__
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if (!adjust_time && !set_time) {
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if (pledge("stdio inet dns", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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}
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#endif
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auto* hostent = gethostbyname(host);
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if (!hostent) {
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@ -152,11 +159,13 @@ int main(int argc, char** argv)
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return 1;
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}
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#ifdef __serenity__
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if (pledge((adjust_time || set_time) ? "stdio inet settime" : "stdio inet", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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unveil(nullptr, nullptr);
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#endif
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int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if (fd < 0) {
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@ -243,7 +252,7 @@ int main(int argc, char** argv)
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return 1;
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}
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if (packet.origin_timestamp != random_transmit_timestamp) {
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fprintf(stderr, "expected %#016llx as origin timestamp, got %#016llx\n", random_transmit_timestamp, packet.origin_timestamp);
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fprintf(stderr, "expected %#016" PRIx64 " as origin timestamp, got %#016" PRIx64 "\n", random_transmit_timestamp, packet.origin_timestamp);
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return 1;
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}
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if (packet.transmit_timestamp == 0) {
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@ -286,15 +295,15 @@ int main(int argc, char** argv)
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}
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printf("\n");
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printf("Reference timestamp: %#016llx (%s)\n", be64toh(packet.reference_timestamp), format_ntp_timestamp(be64toh(packet.reference_timestamp)).characters());
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printf("Origin timestamp: %#016llx (%s)\n", origin_timestamp, format_ntp_timestamp(origin_timestamp).characters());
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printf("Receive timestamp: %#016llx (%s)\n", receive_timestamp, format_ntp_timestamp(receive_timestamp).characters());
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printf("Transmit timestamp: %#016llx (%s)\n", transmit_timestamp, format_ntp_timestamp(transmit_timestamp).characters());
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printf("Destination timestamp: %#016llx (%s)\n", destination_timestamp, format_ntp_timestamp(destination_timestamp).characters());
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printf("Reference timestamp: %#016" PRIx64 " (%s)\n", be64toh(packet.reference_timestamp), format_ntp_timestamp(be64toh(packet.reference_timestamp)).characters());
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printf("Origin timestamp: %#016" PRIx64 " (%s)\n", origin_timestamp, format_ntp_timestamp(origin_timestamp).characters());
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printf("Receive timestamp: %#016" PRIx64 " (%s)\n", receive_timestamp, format_ntp_timestamp(receive_timestamp).characters());
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printf("Transmit timestamp: %#016" PRIx64 " (%s)\n", transmit_timestamp, format_ntp_timestamp(transmit_timestamp).characters());
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printf("Destination timestamp: %#016" PRIx64 " (%s)\n", destination_timestamp, format_ntp_timestamp(destination_timestamp).characters());
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// When the system isn't under load, user-space t and packet_t are identical. If a shell with `yes` is running, it can be as high as 30ms in this program,
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// which gets user-space time immediately after the recvmsg() call. In programs that have an event loop reading from multiple sockets, it could be higher.
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printf("Receive latency: %lld.%06d s\n", kernel_to_userspace_latency.tv_sec, kernel_to_userspace_latency.tv_usec);
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printf("Receive latency: %" PRId64 ".%06d s\n", kernel_to_userspace_latency.tv_sec, (int)kernel_to_userspace_latency.tv_usec);
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}
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// Parts of the "Clock Filter" computations, https://tools.ietf.org/html/rfc5905#section-10
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