ports/iperf3
ports/iperf3
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Show UDP stats in interval reports.

Просмотр исходного кода 
To the extent possible, anyway - on the sender side,
only the packet counts are available.

Also a few minor bug fixes.
Этот коммит содержится в:
Jef Poskanzer 2013-12-04 09:16:37 -08:00
родитель e41823c46b
Коммит 95360b2046
5 изменённых файлов: 150 добавлений и 56 удалений
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10
src/iperf.h
Просмотреть файл

@ -27,6 +27,16 @@ struct iperf_interval_results
struct timeval interval_start_time;
struct timeval interval_end_time;
float interval_duration;
/* for UDP */
int interval_packet_count;
int interval_outoforder_packets;
int interval_cnt_error;
int packet_count;
double jitter;
int outoforder_packets;
int cnt_error;
int omitted;
#if defined(linux) || defined(__FreeBSD__)
struct tcp_info tcpInfo; /* getsockopt(TCP_INFO) for Linux and FreeBSD */

172
src/iperf_api.c
Просмотреть файл

@ -770,6 +770,8 @@ iperf_check_throttle(struct iperf_stream *sp, struct timeval *nowP)
double seconds;
uint64_t bits_per_second;
if (sp->test->done)
return;
seconds = timeval_diff(&sp->result->start_time, nowP);
bits_per_second = sp->result->bytes_sent * 8 / seconds;
if (bits_per_second < sp->test->settings->rate) {
@ -1599,7 +1601,7 @@ iperf_stats_callback(struct iperf_test *test)
temp.bytes_transferred = test->sender ? rp->bytes_sent_this_interval : rp->bytes_received_this_interval;
irp = TAILQ_FIRST(&rp->interval_results);
irp = TAILQ_LAST(&rp->interval_results, irlisthead);
/* result->end_time contains timestamp of previous interval */
if ( irp != NULL ) /* not the 1st interval */
memcpy(&temp.interval_start_time, &rp->end_time, sizeof(struct timeval));
@ -1610,14 +1612,30 @@ iperf_stats_callback(struct iperf_test *test)
memcpy(&temp.interval_end_time, &rp->end_time, sizeof(struct timeval));
temp.interval_duration = timeval_diff(&temp.interval_start_time, &temp.interval_end_time);
//temp.interval_duration = timeval_diff(&temp.interval_start_time, &temp.interval_end_time);
if (test->protocol->id == Ptcp && has_tcpinfo()) {
save_tcpinfo(sp, &temp);
if (test->sender && test->sender_has_retransmits) {
long total_retrans = get_total_retransmits(sp->socket);
temp.interval_retrans = total_retrans - rp->stream_prev_total_retrans;
rp->stream_retrans += temp.interval_retrans;
rp->stream_prev_total_retrans = total_retrans;
if (test->protocol->id == Ptcp) {
if ( has_tcpinfo()) {
save_tcpinfo(sp, &temp);
if (test->sender && test->sender_has_retransmits) {
long total_retrans = get_total_retransmits(sp->socket);
temp.interval_retrans = total_retrans - rp->stream_prev_total_retrans;
rp->stream_retrans += temp.interval_retrans;
rp->stream_prev_total_retrans = total_retrans;
}
}
} else {
if (irp == NULL) {
temp.interval_packet_count = sp->packet_count;
temp.interval_outoforder_packets = sp->outoforder_packets;
temp.interval_cnt_error = sp->cnt_error;
} else {
temp.interval_packet_count = sp->packet_count - irp->packet_count;
temp.interval_outoforder_packets = sp->outoforder_packets - irp->outoforder_packets;
temp.interval_cnt_error = sp->cnt_error - irp->cnt_error;
}
temp.packet_count = sp->packet_count;
temp.jitter = sp->jitter;
temp.outoforder_packets = sp->outoforder_packets;
temp.cnt_error = sp->cnt_error;
}
add_to_interval_list(rp, &temp);
rp->bytes_sent_this_interval = rp->bytes_received_this_interval = 0;
@ -1637,6 +1655,8 @@ iperf_print_intermediate(struct iperf_test *test)
double start_time, end_time;
cJSON *json_interval;
cJSON *json_interval_streams;
int total_packets = 0, lost_packets = 0;
double avg_jitter = 0.0, lost_percent;
if (test->json_output) {
json_interval = cJSON_CreateObject();
@ -1661,13 +1681,16 @@ iperf_print_intermediate(struct iperf_test *test)
return;
}
bytes += irp->bytes_transferred;
if (test->sender && test->sender_has_retransmits)
retransmits += irp->interval_retrans;
}
if (bytes < 0) { /* this can happen if timer goes off just when client exits */
iperf_err(test, "error: bytes < 0!");
return;
if (test->protocol->id == Ptcp) {
if (test->sender && test->sender_has_retransmits)
retransmits += irp->interval_retrans;
} else {
total_packets += irp->interval_packet_count;
lost_packets += irp->interval_cnt_error;
avg_jitter += irp->jitter;
}
}
/* next build string with sum of all streams */
if (test->num_streams > 1) {
sp = SLIST_FIRST(&test->streams); /* reset back to 1st stream */
@ -1679,16 +1702,35 @@ iperf_print_intermediate(struct iperf_test *test)
start_time = timeval_diff(&sp->result->start_time,&irp->interval_start_time);
end_time = timeval_diff(&sp->result->start_time,&irp->interval_end_time);
if (test->sender && test->sender_has_retransmits) {
if (test->json_output)
cJSON_AddItemToObject(json_interval, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d omitted: %b", (double) start_time, (double) end_time, (double) irp->interval_duration, (int64_t) bytes, bandwidth * 8, (int64_t) retransmits, irp->omitted));
else
iprintf(test, report_sum_bw_retrans_format, start_time, end_time, ubuf, nbuf, retransmits, irp->omitted?report_omitted:"");
if (test->protocol->id == Ptcp) {
if (test->sender && test->sender_has_retransmits) {
/* Interval sum, TCP with retransmits. */
if (test->json_output)
cJSON_AddItemToObject(json_interval, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d omitted: %b", (double) start_time, (double) end_time, (double) irp->interval_duration, (int64_t) bytes, bandwidth * 8, (int64_t) retransmits, irp->omitted));
else
iprintf(test, report_sum_bw_retrans_format, start_time, end_time, ubuf, nbuf, retransmits, irp->omitted?report_omitted:"");
} else {
/* Interval sum, TCP without retransmits. */
if (test->json_output)
cJSON_AddItemToObject(json_interval, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f omitted: %b", (double) start_time, (double) end_time, (double) irp->interval_duration, (int64_t) bytes, bandwidth * 8, test->omitting));
else
iprintf(test, report_sum_bw_format, start_time, end_time, ubuf, nbuf, test->omitting?report_omitted:"");
}
} else {
if (test->json_output)
cJSON_AddItemToObject(json_interval, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f omitted: %b", (double) start_time, (double) end_time, (double) irp->interval_duration, (int64_t) bytes, bandwidth * 8, test->omitting));
else
iprintf(test, report_sum_bw_format, start_time, end_time, ubuf, nbuf, test->omitting?report_omitted:"");
/* Interval sum, UDP. */
if (test->sender) {
if (test->json_output)
cJSON_AddItemToObject(json_interval, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f packets: %d omitted: %b", (double) start_time, (double) end_time, (double) irp->interval_duration, (int64_t) bytes, bandwidth * 8, (int64_t) total_packets, test->omitting));
else
iprintf(test, report_sum_bw_udp_sender_format, start_time, end_time, ubuf, nbuf, total_packets, test->omitting?report_omitted:"");
} else {
avg_jitter /= test->num_streams;
lost_percent = 100.0 * lost_packets / total_packets;
if (test->json_output)
cJSON_AddItemToObject(json_interval, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f jitter_ms: %f lost_packets: %d packets: %d lost_percent: %f omitted: %b", (double) start_time, (double) end_time, (double) irp->interval_duration, (int64_t) bytes, bandwidth * 8, (double) avg_jitter * 1000.0, (int64_t) lost_packets, (int64_t) total_packets, (double) lost_percent, test->omitting));
else
iprintf(test, report_sum_bw_udp_format, start_time, end_time, ubuf, nbuf, avg_jitter * 1000.0, lost_packets, total_packets, lost_percent, test->omitting?report_omitted:"");
}
}
}
}
@ -1708,8 +1750,8 @@ iperf_print_results(struct iperf_test *test)
struct iperf_stream *sp = NULL;
iperf_size_t bytes_sent, total_sent = 0;
iperf_size_t bytes_received, total_received = 0;
double start_time, end_time, avg_jitter, loss_percent;
double bandwidth, out_of_order_percent;
double start_time, end_time, avg_jitter = 0.0, lost_percent;
double bandwidth;
/* print final summary for all intervals */
@ -1722,19 +1764,18 @@ iperf_print_results(struct iperf_test *test)
iprintf(test, "%s", report_bw_separator);
if (test->verbose)
iprintf(test, "%s", report_summary);
if (test->protocol->id == Ptcp)
if (test->protocol->id == Ptcp) {
if (test->sender_has_retransmits)
iprintf(test, "%s", report_bw_retrans_header);
else
iprintf(test, "%s", report_bw_header);
else
} else
iprintf(test, "%s", report_bw_udp_header);
}
start_time = 0.;
sp = SLIST_FIRST(&test->streams);
end_time = timeval_diff(&sp->result->start_time, &sp->result->end_time);
avg_jitter = 0;
SLIST_FOREACH(sp, &test->streams, streams) {
if (test->json_output) {
json_summary_stream = cJSON_CreateObject();
@ -1762,22 +1803,25 @@ iperf_print_results(struct iperf_test *test)
unit_snprintf(nbuf, UNIT_LEN, bandwidth, test->settings->unit_format);
if (test->protocol->id == Ptcp) {
if (test->sender_has_retransmits) {
/* Summary, TCP with retransmits. */
if (test->json_output)
cJSON_AddItemToObject(json_summary_stream, "sender", iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d", (int64_t) sp->socket, (double) start_time, (double) end_time, (double) end_time, (int64_t) bytes_sent, bandwidth * 8, (int64_t) sp->result->stream_retrans));
else
iprintf(test, report_bw_retrans_format, sp->socket, start_time, end_time, ubuf, nbuf, sp->result->stream_retrans, report_sender);
} else {
/* Summary, TCP without retransmits. */
if (test->json_output)
cJSON_AddItemToObject(json_summary_stream, "sender", iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f", (int64_t) sp->socket, (double) start_time, (double) end_time, (double) end_time, (int64_t) bytes_sent, bandwidth * 8));
else
iprintf(test, report_bw_format, sp->socket, start_time, end_time, ubuf, nbuf, test->sender?report_sender:report_receiver);
}
} else {
out_of_order_percent = 100.0 * sp->cnt_error / (sp->packet_count - sp->omitted_packet_count);
/* Summary, UDP. */
lost_percent = 100.0 * sp->cnt_error / (sp->packet_count - sp->omitted_packet_count);
if (test->json_output)
cJSON_AddItemToObject(json_summary_stream, "udp", iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f jitter_ms: %f outoforder: %d packets: %d percent: %f", (int64_t) sp->socket, (double) start_time, (double) end_time, (double) end_time, (int64_t) bytes_sent, bandwidth * 8, (double) sp->jitter * 1000.0, (int64_t) sp->cnt_error, (int64_t) (sp->packet_count - sp->omitted_packet_count), out_of_order_percent));
cJSON_AddItemToObject(json_summary_stream, "udp", iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f jitter_ms: %f lost_packets: %d packets: %d lost_percent: %f", (int64_t) sp->socket, (double) start_time, (double) end_time, (double) end_time, (int64_t) bytes_sent, bandwidth * 8, (double) sp->jitter * 1000.0, (int64_t) sp->cnt_error, (int64_t) (sp->packet_count - sp->omitted_packet_count), (double) lost_percent));
else {
iprintf(test, report_bw_udp_format, sp->socket, start_time, end_time, ubuf, nbuf, sp->jitter * 1000.0, sp->cnt_error, (sp->packet_count - sp->omitted_packet_count), out_of_order_percent);
iprintf(test, report_bw_udp_format, sp->socket, start_time, end_time, ubuf, nbuf, sp->jitter * 1000.0, sp->cnt_error, (sp->packet_count - sp->omitted_packet_count), lost_percent, "");
if (test->role == 'c')
iprintf(test, report_datagrams, sp->socket, (sp->packet_count - sp->omitted_packet_count));
if (sp->outoforder_packets > 0)
@ -1813,11 +1857,13 @@ iperf_print_results(struct iperf_test *test)
unit_snprintf(nbuf, UNIT_LEN, bandwidth, test->settings->unit_format);
if (test->protocol->id == Ptcp) {
if (test->sender_has_retransmits) {
/* Summary sum, TCP with retransmits. */
if (test->json_output)
cJSON_AddItemToObject(test->json_end, "sum_sent", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d", (double) start_time, (double) end_time, (double) end_time, (int64_t) total_sent, bandwidth * 8, (int64_t) total_retransmits));
else
iprintf(test, report_sum_bw_retrans_format, start_time, end_time, ubuf, nbuf, total_retransmits, report_sender);
} else {
/* Summary sum, TCP without retransmits. */
if (test->json_output)
cJSON_AddItemToObject(test->json_end, "sum_sent", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f", (double) start_time, (double) end_time, (double) end_time, (int64_t) total_sent, bandwidth * 8));
else
@ -1831,12 +1877,13 @@ iperf_print_results(struct iperf_test *test)
else
iprintf(test, report_sum_bw_format, start_time, end_time, ubuf, nbuf, report_receiver);
} else {
/* Summary sum, UDP. */
avg_jitter /= test->num_streams;
loss_percent = 100.0 * lost_packets / total_packets;
lost_percent = 100.0 * lost_packets / total_packets;
if (test->json_output)
cJSON_AddItemToObject(test->json_end, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f jitter_ms: %f lost_packets: %d total_packets: %d loss_percent: %f", (double) start_time, (double) end_time, (double) end_time, (int64_t) total_sent, bandwidth * 8, avg_jitter, (int64_t) lost_packets, (int64_t) total_packets, loss_percent));
cJSON_AddItemToObject(test->json_end, "sum", iperf_json_printf("start: %f end: %f seconds: %f bytes: %d bits_per_second: %f jitter_ms: %f lost_packets: %d packets: %d lost_percent: %f", (double) start_time, (double) end_time, (double) end_time, (int64_t) total_sent, bandwidth * 8, (double) avg_jitter * 1000.0, (int64_t) lost_packets, (int64_t) total_packets, (double) lost_percent));
else
iprintf(test, report_sum_bw_udp_format, start_time, end_time, ubuf, nbuf, avg_jitter, lost_packets, total_packets, loss_percent);
iprintf(test, report_sum_bw_udp_format, start_time, end_time, ubuf, nbuf, avg_jitter * 1000.0, lost_packets, total_packets, lost_percent, "");
}
}
@ -1878,7 +1925,7 @@ print_interval_results(struct iperf_test *test, struct iperf_stream *sp, cJSON *
char nbuf[UNIT_LEN];
double st = 0., et = 0.;
struct iperf_interval_results *irp = NULL;
double bandwidth;
double bandwidth, lost_percent;
irp = TAILQ_LAST(&sp->result->interval_results, irlisthead); /* get last entry in linked list */
if (irp == NULL) {
@ -1892,12 +1939,19 @@ print_interval_results(struct iperf_test *test, struct iperf_stream *sp, cJSON *
** else if there's more than one stream, print the separator;
** else nothing.
*/
if (timeval_equals(&sp->result->start_time, &irp->interval_start_time))
if (test->sender && test->sender_has_retransmits)
iprintf(test, "%s", report_bw_retrans_header);
else
iprintf(test, "%s", report_bw_header);
else if (test->num_streams > 1)
if (timeval_equals(&sp->result->start_time, &irp->interval_start_time)) {
if (test->protocol->id == Ptcp) {
if (test->sender && test->sender_has_retransmits)
iprintf(test, "%s", report_bw_retrans_header);
else
iprintf(test, "%s", report_bw_header);
} else {
if (test->sender)
iprintf(test, "%s", report_bw_udp_sender_header);
else
iprintf(test, "%s", report_bw_udp_header);
}
} else if (test->num_streams > 1)
iprintf(test, "%s", report_bw_separator);
}
}
@ -1909,16 +1963,34 @@ print_interval_results(struct iperf_test *test, struct iperf_stream *sp, cJSON *
st = timeval_diff(&sp->result->start_time, &irp->interval_start_time);
et = timeval_diff(&sp->result->start_time, &irp->interval_end_time);
if (test->sender && test->sender_has_retransmits) {
if (test->json_output)
cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d omitted: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, (int64_t) irp->interval_retrans, irp->omitted));
else
iprintf(test, report_bw_retrans_format, sp->socket, st, et, ubuf, nbuf, irp->interval_retrans, irp->omitted?report_omitted:"");
if (test->protocol->id == Ptcp) {
if (test->sender && test->sender_has_retransmits) {
/* Interval, TCP with retransmits. */
if (test->json_output)
cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d omitted: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, (int64_t) irp->interval_retrans, irp->omitted));
else
iprintf(test, report_bw_retrans_format, sp->socket, st, et, ubuf, nbuf, irp->interval_retrans, irp->omitted?report_omitted:"");
} else {
/* Interval, TCP without retransmits. */
if (test->json_output)
cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f omitted: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, irp->omitted));
else
iprintf(test, report_bw_format, sp->socket, st, et, ubuf, nbuf, irp->omitted?report_omitted:"");
}
} else {
if (test->json_output)
cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f omitted: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, irp->omitted));
else
iprintf(test, report_bw_format, sp->socket, st, et, ubuf, nbuf, irp->omitted?report_omitted:"");
/* Interval, UDP. */
if (test->sender) {
if (test->json_output)
cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f packets: %d omitted: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, (int64_t) irp->interval_packet_count, irp->omitted));
else
iprintf(test, report_bw_udp_sender_format, sp->socket, st, et, ubuf, nbuf, irp->interval_packet_count, irp->omitted?report_omitted:"");
} else {
lost_percent = 100.0 * irp->interval_cnt_error / irp->interval_packet_count;
if (test->json_output)
cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f jitter_ms: %f lost_packets: %d packets: %d lost_percent: %f omitted: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, (double) irp->jitter * 1000.0, (int64_t) irp->interval_cnt_error, (int64_t) irp->interval_packet_count, (double) lost_percent, irp->omitted));
else
iprintf(test, report_bw_udp_format, sp->socket, st, et, ubuf, nbuf, irp->jitter * 1000.0, irp->interval_cnt_error, irp->interval_packet_count, lost_percent, irp->omitted?report_omitted:"");
}
}
}

1
src/iperf_client_api.c
Просмотреть файл

@ -439,6 +439,7 @@ iperf_run_client(struct iperf_test * test)
continue; /* not done */
}
/* Yes, done! Send TEST_END. */
test->done = 1;
cpu_util(test->cpu_util);
test->stats_callback(test);
if (iperf_set_send_state(test, TEST_END) != 0)

20
src/locale.c
Просмотреть файл

@ -222,8 +222,10 @@ const char report_bw_retrans_header[] =
"[ ID] Interval Transfer Bandwidth Retransmits\n";
const char report_bw_udp_header[] =
"[ ID] Interval Transfer Bandwidth Jitter Lost/Total \
Datagrams\n";
"[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams\n";
const char report_bw_udp_sender_header[] =
"[ ID] Interval Transfer Bandwidth Total Datagrams\n";
const char report_bw_format[] =
"[%3d] %6.2f-%-6.2f sec %ss %ss/sec %s\n";
@ -232,7 +234,10 @@ const char report_bw_retrans_format[] =
"[%3d] %6.2f-%-6.2f sec %ss %ss/sec %3d %s\n";
const char report_bw_udp_format[] =
"[%3d] %6.2f-%-6.2f sec %ss %ss/sec %5.3f ms %d/%d (%.2g%%)\n";
"[%3d] %6.2f-%-6.2f sec %ss %ss/sec %5.3f ms %d/%d (%.2g%%) %s\n";
const char report_bw_udp_sender_format[] =
"[%3d] %6.2f-%-6.2f sec %ss %ss/sec %d %s\n";
const char report_summary[] =
"Test Complete. Summary Results:\n";
@ -244,7 +249,10 @@ const char report_sum_bw_retrans_format[] =
"[SUM] %6.2f-%-6.2f sec %ss %ss/sec %3d %s\n";
const char report_sum_bw_udp_format[] =
"[SUM] %6.2f-%-6.2f sec %ss %ss/sec %5.3f ms %d/%d (%.2g%%)\n";
"[SUM] %6.2f-%-6.2f sec %ss %ss/sec %5.3f ms %d/%d (%.2g%%) %s\n";
const char report_sum_bw_udp_sender_format[] =
"[SUM] %6.2f-%-6.2f sec %ss %ss/sec %d %s\n";
const char report_omitted[] = "(omitted)";
@ -332,8 +340,8 @@ const char reportCSV_bw_udp_format[] =
const char warn_window_requested[] =
" (WARNING: requested %s)";
const char warn_window_small[] = "\
WARNING: TCP window size set to %d bytes. A small window size\n\
const char warn_window_small[] =
"WARNING: TCP window size set to %d bytes. A small window size\n\
will give poor performance. See the Iperf documentation.\n";
const char warn_delay_large[] =

3
src/locale.h
Просмотреть файл

@ -46,13 +46,16 @@ extern const char report_read_length_times[] ;
extern const char report_bw_header[] ;
extern const char report_bw_retrans_header[] ;
extern const char report_bw_udp_header[] ;
extern const char report_bw_udp_sender_header[] ;
extern const char report_bw_format[] ;
extern const char report_bw_retrans_format[] ;
extern const char report_bw_udp_format[] ;
extern const char report_bw_udp_sender_format[] ;
extern const char report_summary[] ;
extern const char report_sum_bw_format[] ;
extern const char report_sum_bw_retrans_format[] ;
extern const char report_sum_bw_udp_format[] ;
extern const char report_sum_bw_udp_sender_format[] ;
extern const char report_omitted[] ;
extern const char report_bw_separator[] ;
extern const char report_outoforder[] ;