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/*
* HardInfo - System Information and Benchmark
* Copyright (C) 2020 Burt P. <pburt0@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 or later.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "hardinfo.h"
#include "benchmark.h"
#include <json-glib/json-glib.h>
#include <math.h>
static int iperf3_version() {
int ret = -1.0;
int v1 = 0, v2 = 0, v3 = 0, mc = 0;
gboolean spawned;
gchar *out, *err, *p, *next_nl;
spawned = g_spawn_command_line_sync("iperf3 --version",
&out, &err, NULL, NULL);
if (spawned) {
ret = 0;
p = out;
while(next_nl = strchr(p, '\n')) {
*next_nl = 0;
/* version */
mc = sscanf(p, "iperf %d.%d", &v1, &v2);
if (mc >= 1) {
ret += v1 * 1000000;
ret += v2 * 1000;
ret += v3;
break;
}
p = next_nl + 1;
}
g_free(out);
g_free(err);
}
return ret;
}
static gboolean iperf3_server() {
const char* argv[] = {
"iperf3", "-s", "--port", "61981", "--one-off", NULL };
return g_spawn_async(NULL, (char**)argv, NULL,
G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_SEARCH_PATH,
NULL, NULL, NULL, NULL);
}
static double _get_double(JsonParser *j, const char* path) {
double r = NAN;
GError *e = NULL;
JsonNode *root = json_parser_get_root(j);
JsonNode *ra = json_path_query(path, root, &e);
if (e) {
fprintf (stderr, "json_path_query(%s) error: %s\n", path, e->message);
} else {
JsonArray *arr = json_node_get_array(ra);
r = json_array_get_double_element(arr, 0);
}
json_node_free(ra);
return r;
}
static bench_value iperf3_client() {
bench_value ret = EMPTY_BENCH_VALUE;
int v1 = 0, v2 = 0, v3 = 0, mc = 0;
gboolean spawned;
gchar *out, *err;
GError *e = NULL;
const char cmd_line[] = "iperf3 -c localhost --port 61981 --json --omit 3 --time 5";
spawned = g_spawn_command_line_sync(cmd_line,
&out, &err, NULL, NULL);
if (spawned) {
JsonParser *j = json_parser_new();
if (json_parser_load_from_data(j, out, -1, &e)) {
if (e) {
fprintf (stderr, "json_parser_load_from_data error: %s\n", e->message);
exit(-1);
}
strncpy(ret.extra, cmd_line, sizeof(ret.extra)-1);
ret.threads_used = 1;
ret.elapsed_time = _get_double(j, "$.end.sum_received.seconds");
ret.result = _get_double(j, "$.end.sum_received.bits_per_second");
ret.result /= 1000000.0; // now mega
ret.result /= 1000.0; // now giga
g_object_unref(j);
}
g_free(out);
g_free(err);
}
return ret;
}
void benchmark_iperf3_single(void) {
bench_value r = EMPTY_BENCH_VALUE;
shell_view_set_enabled(FALSE);
shell_status_update("Performing iperf3 localhost benchmark (single thread)...");
int v = iperf3_version();
if (v > 0) {
iperf3_server();
sleep(1);
r = iperf3_client();
r.revision = v;
}
bench_results[BENCHMARK_IPERF3_SINGLE] = r;
}
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