void send_key(char key, int fd) {
char cmd[64];
if (key == 'p') {
usleep(1*500*1000);
return;
} else if (key == 'P') {
usleep(1*2000*1000);
return;
}
key = toupper(key);
if (key >= '0' && key <= '9') {
key -= '0';
} else if (key >= 'A' && key <= 'F') {
key = key - 'A' + 10;
} else if (key == 'R') {
key = 16;
} else if (key == 'G') {
key = 20;
} else if (key == 'I' || key == ' ') {
key = 24;
} else if (key == 'S') {
key = 28;
} else {
fprintf(stderr, "Bad key code: '%c', %d\n", key, key);
exit(1);
}
sprintf(cmd, "O,%d,0,0\n", key);
run_ok(cmd, fd);
usleep(1*40*1000);
run_ok("PO,B,0,1\n", fd);
usleep(1*40*1000);
}
int main(int argc, char* argv[]) {
char const* const dev = argc >= 3 ? argv[2] : "/dev/cu.usbmodem411";
int fd = ubw_init(dev);
printf("%s", run("V\n", fd));
if (argc < 2) return 0;
run_ok("O,0,255,0\n", fd);
run_ok("C,0,0,0,0\n", fd);
char const* code = argv[1];
printf("Code: [%s]\n", code);
while (*code) {
send_key(*code, fd);
code += 1;
}
}
void test_benchmark_tap(int argc, char **argv)
{
struct pg_error *error = NULL;
struct pg_brick *tap_enter;
struct pg_brick *tap_exit;
struct pg_bench bench;
struct pg_bench_stats stats;
struct ether_addr mac1 = {{0x52,0x54,0x00,0x12,0x34,0x11}};
struct ether_addr mac2 = {{0x52,0x54,0x00,0x12,0x34,0x21}};
uint32_t len;
tap_enter = pg_tap_new("tap 0", "bench0", &error);
g_assert(tap_enter);
g_assert(!error);
tap_exit = pg_tap_new("tap 1", "bench1", &error);
g_assert(tap_exit);
g_assert(!error);
/* put both tap in a linux bridge */
run_ok("brctl -h &> /dev/null");
run("ip netns del bench &> /dev/null");
run_ok("ip netns add bench");
run_ok("ip netns exec bench ip link set dev lo up");
run_ok("ip link set bench0 up netns bench");
run_ok("ip link set bench1 up netns bench");
run_ok("ip netns exec bench brctl addbr br0");
run_ok("ip netns exec bench brctl addif br0 bench0");
run_ok("ip netns exec bench brctl addif br0 bench1");
run_ok("ip netns exec bench ip link set br0 up");
g_assert(!pg_bench_init(&bench, "tap", argc, argv, &error));
bench.input_brick = tap_enter;
bench.input_side = WEST_SIDE;
bench.output_brick = tap_exit;
bench.output_side = WEST_SIDE;
bench.output_poll = true;
bench.max_burst_cnt = 100000;
bench.count_brick = NULL;
bench.pkts_nb = 64;
bench.pkts_mask = pg_mask_firsts(64);
bench.pkts = pg_packets_create(bench.pkts_mask);
bench.pkts = pg_packets_append_ether(
bench.pkts,
bench.pkts_mask,
&mac1, &mac2,
ETHER_TYPE_IPv4);
len = sizeof(struct ipv4_hdr) + sizeof(struct udp_hdr) + 1400;
pg_packets_append_ipv4(
bench.pkts,
bench.pkts_mask,
0x000000EE, 0x000000CC, len, 17);
bench.pkts = pg_packets_append_udp(
bench.pkts,
bench.pkts_mask,
1000, 2000, 1400);
bench.pkts = pg_packets_append_blank(bench.pkts, bench.pkts_mask, 1400);
g_assert(!pg_bench_run(&bench, &stats, &error));
pg_bench_print(&stats);
pg_packets_free(bench.pkts, bench.pkts_mask);
pg_brick_destroy(tap_enter);
pg_brick_destroy(tap_exit);
run("ip netns del bench");
}
