def test_gnrc_tcp_accept_respects_GNRC_TCP_NO_TIMEOUT(child):
""" gnrc_tcp_accept timeout mechanism must be disabled if GNRC_TCP_NO_TIMEOUT
is set as timeout value.
"""
pexpect_timeout_sec = _GNRC_TCP_NO_TIMEOUT + 1
riot_srv = RiotTcpServer(child, generate_port_number())
riot_srv.listen()
child.sendline('gnrc_tcp_accept {}'.format(_GNRC_TCP_NO_TIMEOUT))
# The test is successful if gnrc_tcp_accept does not return before pexpects timeout.
# Afterwards the connection must be still able to accept a connection.
returned = True
try:
child.expect_exact('gnrc_tcp_accept: returns', timeout=pexpect_timeout_sec)
except pexpect.TIMEOUT:
returned = False
finally:
if returned:
raise RuntimeError('gnrc_tcp_accept returned')
# Ensure that gnrc_tcp_accept returns after the test host connects
with HostTcpClient(riot_srv):
child.expect_exact('gnrc_tcp_accept: returns 0')
riot_srv.close()
def test_gnrc_tcp_queue_get_local_returns_0(child):
""" This test verifies that queue_get_local returns 0 then put after listen.
And the endpoint content is as are as expected.
"""
# Enter listen with accept all address
listen_addr = '::'
listen_port = generate_port_number()
riot_srv = RiotTcpServer(child, listen_port)
riot_srv.listen()
riot_srv.queue_get_local()
child.expect_exact('Endpoint: addr.ipv6=:: netif=0 port={}'.format(
listen_port)
)
riot_srv.stop_listen()
# Enter listen with specified address
listen_addr = 'fe80::4c49:c7ff:fecd:34a3'
listen_port = generate_port_number()
riot_srv = RiotTcpServer(child, listen_port, listen_addr)
riot_srv.listen()
riot_srv.queue_get_local()
child.expect_exact('Endpoint: addr.ipv6={} netif=0 port={}'.format(
listen_addr, listen_port)
)
riot_srv.stop_listen()
def test_gnrc_tcp_accept_returns_ETIMEDOUT(child):
""" gnrc_tcp_accept must return with -ETIMEDOUT
if no connection is ready and timeout is not 0
"""
riot_srv = RiotTcpServer(child, generate_port_number())
riot_srv.listen()
child.sendline('gnrc_tcp_accept 1000')
child.expect_exact('gnrc_tcp_accept: returns -ETIMEDOUT')