tools/testing/selftests/drivers/net/ping.py

   1 #!/usr/bin/env python3
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 from lib.py import ksft_run, ksft_exit
   5 from lib.py import ksft_eq
   6 from lib.py import NetDrvEpEnv
   7 from lib.py import bkg, cmd, wait_port_listen, rand_port
   8
   9
  10 def test_v4(cfg) -> None:
  11     cfg.require_v4()
  12
  13     cmd(f"ping -c 1 -W0.5 {cfg.remote_v4}")
  14     cmd(f"ping -c 1 -W0.5 {cfg.v4}", host=cfg.remote)
  15
  16
  17 def test_v6(cfg) -> None:
  18     cfg.require_v6()
  19
  20     cmd(f"ping -c 1 -W0.5 {cfg.remote_v6}")
  21     cmd(f"ping -c 1 -W0.5 {cfg.v6}", host=cfg.remote)
  22
  23
  24 def test_tcp(cfg) -> None:
  25     cfg.require_cmd("socat", remote=True)
  26
  27     port = rand_port()
  28     listen_cmd = f"socat -{cfg.addr_ipver} -t 2 -u TCP-LISTEN:{port},reuseport STDOUT"
  29
  30     with bkg(listen_cmd, exit_wait=True) as nc:
  31         wait_port_listen(port)
  32
  33         cmd(f"echo ping | socat -t 2 -u STDIN TCP:{cfg.baddr}:{port}",
  34             shell=True, host=cfg.remote)
  35     ksft_eq(nc.stdout.strip(), "ping")
  36
  37     with bkg(listen_cmd, host=cfg.remote, exit_wait=True) as nc:
  38         wait_port_listen(port, host=cfg.remote)
  39
  40         cmd(f"echo ping | socat -t 2 -u STDIN TCP:{cfg.remote_baddr}:{port}", shell=True)
  41     ksft_eq(nc.stdout.strip(), "ping")
  42
  43
  44 def main() -> None:
  45     with NetDrvEpEnv(__file__) as cfg:
  46         ksft_run(globs=globals(), case_pfx={"test_"}, args=(cfg, ))
  47     ksft_exit()
  48
  49
  50 if __name__ == "__main__":
  51     main()