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-rw-r--r--src/tools/oping/oping_client.c253
1 files changed, 209 insertions, 44 deletions
diff --git a/src/tools/oping/oping_client.c b/src/tools/oping/oping_client.c
index 5a9e03dc..23807f65 100644
--- a/src/tools/oping/oping_client.c
+++ b/src/tools/oping/oping_client.c
@@ -1,5 +1,5 @@
/*
- * Ouroboros - Copyright (C) 2016 - 2024
+ * Ouroboros - Copyright (C) 2016 - 2026
*
* Ouroboros ping application
*
@@ -53,6 +53,40 @@ void shutdown_client(int signo, siginfo_t * info, void * c)
}
}
+static void update_rtt_stats(double ms)
+{
+ double d;
+
+ if (ms < client.rtt_min)
+ client.rtt_min = ms;
+ if (ms > client.rtt_max)
+ client.rtt_max = ms;
+
+ d = (ms - client.rtt_avg);
+ client.rtt_avg += d / client.rcvd;
+ client.rtt_m2 += d * (ms - client.rtt_avg);
+}
+
+static double rtt_val(double ms)
+{
+ return ms < 0.1 ? ms * 1000 : ms;
+}
+
+static const char * rtt_unit(double ms)
+{
+ return ms < 0.1 ? "µs" : "ms";
+}
+
+static void print_rtt(int len, int seq,
+ double ms, const char * suf)
+{
+ printf("%d bytes from %s: seq=%d "
+ "time=%.3f %s%s\n",
+ len, client.s_apn, seq,
+ rtt_val(ms), rtt_unit(ms),
+ suf != NULL ? suf : "");
+}
+
void * reader(void * o)
{
struct timespec timeout = {client.interval / 1000 + 2, 0};
@@ -64,7 +98,6 @@ void * reader(void * o)
int fd = *((int *) o);
int msg_len = 0;
double ms = 0;
- double d = 0;
uint32_t exp_id = 0;
fccntl(fd, FLOWSRCVTIMEO, &timeout);
@@ -114,22 +147,12 @@ void * reader(void * o)
(size_t) rtc.tv_nsec / 1000);
}
- printf("%d bytes from %s: seq=%d time=%.3f ms%s\n",
- msg_len,
- client.s_apn,
- ntohl(msg->id),
- ms,
- id < exp_id ? " [out-of-order]" : "");
+ print_rtt(msg_len, ntohl(msg->id), ms,
+ id < exp_id ?
+ " [out-of-order]" : NULL);
}
- if (ms < client.rtt_min)
- client.rtt_min = ms;
- if (ms > client.rtt_max)
- client.rtt_max = ms;
-
- d = (ms - client.rtt_avg);
- client.rtt_avg += d / client.rcvd;
- client.rtt_m2 += d * (ms - client.rtt_avg);
+ update_rtt_stats(ms);
if (id >= exp_id)
exp_id = id + 1;
@@ -204,13 +227,174 @@ static void client_fini(void)
return;
}
+static void print_stats(struct timespec * tic,
+ struct timespec * toc)
+{
+ printf("\n");
+ printf("--- %s ping statistics ---\n", client.s_apn);
+ printf("%d packets transmitted, ", client.sent);
+ printf("%d received, ", client.rcvd);
+ printf("%zd out-of-order, ", client.ooo);
+ printf("%.0lf%% packet loss, ", client.sent == 0 ? 0 :
+ ceil(100 - (100 * (client.rcvd / (float) client.sent))));
+ printf("time: %.3f ms\n", ts_diff_us(toc, tic) / 1000.0);
+
+ if (client.rcvd > 0) {
+ double a = client.rtt_avg;
+ double f = a < 0.1 ? 1000 : 1;
+ printf("rtt min/avg/max/mdev = %.3f/%.3f/%.3f/",
+ client.rtt_min * f, client.rtt_avg * f,
+ client.rtt_max * f);
+ if (client.rcvd > 1)
+ printf("%.3f %s\n",
+ sqrt(client.rtt_m2 /
+ (client.rcvd - 1)) * f,
+ rtt_unit(a));
+ else
+ printf("NaN %s\n", rtt_unit(a));
+ }
+}
+
+static int flood_busy_ping(int fd)
+{
+ char buf[OPING_BUF_SIZE];
+ struct oping_msg * msg = (struct oping_msg *) buf;
+ struct timespec sent;
+ struct timespec rcvd;
+ double ms;
+ int n;
+
+ memset(buf, 0, client.size);
+
+ fccntl(fd, FLOWSFLAGS,
+ FLOWFRDWR | FLOWFRNOPART | FLOWFRNOBLOCK);
+
+ if (!client.quiet)
+ printf("Pinging %s with %d bytes"
+ " of data (%u packets,"
+ " busy-poll):\n\n",
+ client.s_apn, client.size,
+ client.count);
+
+ while (!stop && client.sent < client.count) {
+ clock_gettime(CLOCK_MONOTONIC, &sent);
+
+ msg->type = htonl(ECHO_REQUEST);
+ msg->id = htonl(client.sent);
+ msg->tv_sec = sent.tv_sec;
+ msg->tv_nsec = sent.tv_nsec;
+
+ if (flow_write(fd, buf,
+ client.size) < 0) {
+ printf("Failed to send "
+ "packet.\n");
+ break;
+ }
+
+ ++client.sent;
+
+ do {
+ n = flow_read(fd, buf,
+ OPING_BUF_SIZE);
+ } while (n == -EAGAIN && !stop);
+
+ if (n < 0)
+ break;
+
+ clock_gettime(CLOCK_MONOTONIC, &rcvd);
+
+ if (ntohl(msg->type) != ECHO_REPLY)
+ continue;
+
+ ++client.rcvd;
+
+ sent.tv_sec = msg->tv_sec;
+ sent.tv_nsec = msg->tv_nsec;
+ ms = ts_diff_us(&rcvd, &sent) / 1000.0;
+
+ update_rtt_stats(ms);
+
+ if (!client.quiet)
+ print_rtt(client.size,
+ ntohl(msg->id), ms,
+ NULL);
+ }
+
+ return 0;
+}
+
+static int flood_ping(int fd)
+{
+ char buf[OPING_BUF_SIZE];
+ struct oping_msg * msg = (struct oping_msg *) buf;
+ struct timespec sent;
+ struct timespec rcvd;
+ double ms;
+
+ memset(buf, 0, client.size);
+
+ if (!client.quiet)
+ printf("Pinging %s with %d bytes of data (%u packets):\n\n",
+ client.s_apn, client.size, client.count);
+
+ while (!stop && client.sent < client.count) {
+ clock_gettime(CLOCK_MONOTONIC, &sent);
+
+ msg->type = htonl(ECHO_REQUEST);
+ msg->id = htonl(client.sent);
+ msg->tv_sec = sent.tv_sec;
+ msg->tv_nsec = sent.tv_nsec;
+
+ if (flow_write(fd, buf, client.size) < 0) {
+ printf("Failed to send packet.\n");
+ break;
+ }
+
+ ++client.sent;
+
+ if (flow_read(fd, buf, OPING_BUF_SIZE) < 0) {
+ printf("Failed to read packet.\n");
+ break;
+ }
+
+ clock_gettime(CLOCK_MONOTONIC, &rcvd);
+
+ if (ntohl(msg->type) != ECHO_REPLY)
+ continue;
+
+ ++client.rcvd;
+
+ sent.tv_sec = msg->tv_sec;
+ sent.tv_nsec = msg->tv_nsec;
+ ms = ts_diff_us(&rcvd, &sent) / 1000.0;
+
+ update_rtt_stats(ms);
+
+ if (!client.quiet)
+ print_rtt(client.size,
+ ntohl(msg->id), ms,
+ NULL);
+ }
+
+ return 0;
+}
+
+static int threaded_ping(int fd)
+{
+ pthread_create(&client.reader_pt, NULL, reader, &fd);
+ pthread_create(&client.writer_pt, NULL, writer, &fd);
+
+ pthread_join(client.writer_pt, NULL);
+ pthread_join(client.reader_pt, NULL);
+
+ return 0;
+}
+
static int client_main(void)
{
struct sigaction sig_act;
-
struct timespec tic;
struct timespec toc;
-
int fd;
memset(&sig_act, 0, sizeof sig_act);
@@ -241,37 +425,18 @@ static int client_main(void)
clock_gettime(CLOCK_REALTIME, &tic);
- pthread_create(&client.reader_pt, NULL, reader, &fd);
- pthread_create(&client.writer_pt, NULL, writer, &fd);
-
- pthread_join(client.writer_pt, NULL);
- pthread_join(client.reader_pt, NULL);
+ if (client.flood_busy)
+ flood_busy_ping(fd);
+ else if (client.flood)
+ flood_ping(fd);
+ else
+ threaded_ping(fd);
clock_gettime(CLOCK_REALTIME, &toc);
- printf("\n");
- printf("--- %s ping statistics ---\n", client.s_apn);
- printf("%d packets transmitted, ", client.sent);
- printf("%d received, ", client.rcvd);
- printf("%zd out-of-order, ", client.ooo);
- printf("%.0lf%% packet loss, ", client.sent == 0 ? 0 :
- ceil(100 - (100 * (client.rcvd / (float) client.sent))));
- printf("time: %.3f ms\n", ts_diff_us(&toc, &tic) / 1000.0);
-
- if (client.rcvd > 0) {
- printf("rtt min/avg/max/mdev = %.3f/%.3f/%.3f/",
- client.rtt_min,
- client.rtt_avg,
- client.rtt_max);
- if (client.rcvd > 1)
- printf("%.3f ms\n",
- sqrt(client.rtt_m2 / (client.rcvd - 1)));
- else
- printf("NaN ms\n");
- }
+ print_stats(&tic, &toc);
flow_dealloc(fd);
-
client_fini();
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-22 19:40:00 +0000