def testfunc(child):
port = generate_port_number()
shutdown_event = threading.Event()
server_handle = threading.Thread(target=tcp_server,
args=(port, shutdown_event))
server_handle.start()
target_addr = get_host_ll_addr(
get_host_tap_device()) + '%' + get_riot_if_id(child)
# Setup RIOT Node to connect to host systems TCP Server
child.sendline('gnrc_tcp_tcb_init')
child.sendline('gnrc_tcp_open_active AF_INET6 ' + target_addr + ' ' +
str(port) + ' 0')
child.expect_exact('gnrc_tcp_open_active: returns 0')
# Close connection and verify that pktbuf is cleared
shutdown_event.set()
child.sendline('gnrc_tcp_close')
server_handle.join()
verify_pktbuf_empty(child)
print(os.path.basename(sys.argv[0]) + ': success')
def runner(child):
tap = get_host_tap_device()
host_ll = get_host_ll_addr(tap)
dst_if = get_riot_if_id(child)
dst_ll = get_riot_ll_addr(child)
dst_l2 = get_riot_l2_addr(child)
port = generate_port_number()
# Setup RIOT Node wait for incoming connections from host system
child.sendline('gnrc_tcp_tcb_init')
child.expect_exact(
'gnrc_tcp_tcb_init: argc=1, argv[0] = gnrc_tcp_tcb_init')
child.sendline('gnrc_tcp_open_passive [::]:{}'.format(port))
child.expect(r'gnrc_tcp_open_passive: argc=2, '
r'argv\[0\] = gnrc_tcp_open_passive, '
r'argv\[1\] = \[::\]:(\d+)\r\n')
assert int(child.match.group(1)) == port
try:
print("- {} ".format(func.__name__), end="")
if child.logfile == sys.stdout:
func(child, tap, host_ll, dst_if, dst_l2, dst_ll, port)
print("")
else:
try:
func(child, tap, host_ll, dst_if, dst_l2, dst_ll, port)
print("SUCCESS")
except Exception as e:
print("FAILED")
raise e
finally:
child.sendline('gnrc_tcp_close')
def testfunc(child):
port = generate_port_number()
shutdown_event = threading.Event()
# Try to receive 10 bytes sent from the Host System.
data = 'test_data_'
data_len = len(data)
assert (data_len % 2) == 0
# Verify that RIOT Applications internal buffer can hold test data.
assert setup_internal_buffer(child) >= data_len
server_handle = threading.Thread(target=tcp_server,
args=(port, shutdown_event, data))
server_handle.start()
target_addr = get_host_ll_addr(
get_host_tap_device()) + '%' + get_riot_if_id(child)
# Setup RIOT Node to connect to Hostsystems TCP Server
child.sendline('gnrc_tcp_tcb_init')
child.sendline('gnrc_tcp_open_active [{}]:{} 0'.format(
target_addr, str(port)))
child.expect_exact('gnrc_tcp_open_active: returns 0')
# Initiate connection teardown from test host
shutdown_event.set()
half_data_len = int(data_len / 2)
# Read half the test data with timeout. Verify Buffer contents
child.sendline('gnrc_tcp_recv 1000000 ' + str(half_data_len))
child.expect_exact('gnrc_tcp_recv: received ' + str(half_data_len))
assert read_data_from_internal_buffer(
child, half_data_len) == data[:half_data_len]
# Read half the test data without timeout. Verify Buffer contents
child.sendline('gnrc_tcp_recv 0 ' + str(half_data_len))
child.expect_exact('gnrc_tcp_recv: received ' + str(half_data_len))
assert read_data_from_internal_buffer(
child, half_data_len) == data[half_data_len:]
# Buffer should have been read entirely and the connection was closed, there can be no new data.
# Reading with a timeout must return 0 not -ETIMEOUT
child.sendline('gnrc_tcp_recv 1000000 ' + str(half_data_len))
child.expect_exact('gnrc_tcp_recv: returns 0')
# Reading without a timeout must return 0 not -EAGAIN.
child.sendline('gnrc_tcp_recv 0 ' + str(half_data_len))
child.expect_exact('gnrc_tcp_recv: returns 0')
# Close connection
child.sendline('gnrc_tcp_close')
server_handle.join()
verify_pktbuf_empty(child)
# Verify received Data
print(os.path.basename(sys.argv[0]) + ': success')
def testfunc(child):
port = generate_port_number()
shutdown_event = threading.Event()
# Try to send 2000 byte from RIOT to the Host System.
data = '0123456789' * 200
data_len = len(data)
# Verify that RIOT Applications internal buffer can hold test data.
assert setup_internal_buffer(child) >= data_len
server_handle = threading.Thread(target=tcp_server, args=(port, shutdown_event, data))
server_handle.start()
target_addr = get_host_ll_addr(get_host_tap_device()) + '%' + get_riot_if_id(child)
# Setup RIOT Node to connect to host systems TCP Server
child.sendline('gnrc_tcp_tcb_init')
child.sendline('gnrc_tcp_open_active AF_INET6 ' + target_addr + ' ' + str(port) + ' 0')
child.expect_exact('gnrc_tcp_open_active: returns 0')
# Send data from RIOT Node to Linux
write_data_to_internal_buffer(child, data)
child.sendline('gnrc_tcp_send 0')
child.expect_exact('gnrc_tcp_send: sent ' + str(data_len))
# Close connection and verify that pktbuf is cleared
shutdown_event.set()
child.sendline('gnrc_tcp_close')
server_handle.join()
verify_pktbuf_empty(child)
print(os.path.basename(sys.argv[0]) + ': success')
def tcp_client(addr, port, shutdown_event):
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
addr_info = socket.getaddrinfo(addr + '%' + get_host_tap_device(), port, type=socket.SOCK_STREAM)
sock.connect(addr_info[0][-1])
shutdown_event.wait()
sock.close()
def testfunc(child):
port = generate_port_number()
shutdown_event = threading.Event()
# Try to receive 2000 bytes sent from the Host System.
data = '0123456789' * 200
data_len = len(data)
# Verify that RIOT Applications internal buffer can hold test data.
assert setup_internal_buffer(child) >= data_len
server_handle = threading.Thread(target=tcp_server,
args=(port, shutdown_event, data))
server_handle.start()
target_addr = get_host_ll_addr(
get_host_tap_device()) + '%' + get_riot_if_id(child)
# Setup RIOT Node to connect to Hostsystems TCP Server
child.sendline('gnrc_tcp_tcb_init')
child.sendline('gnrc_tcp_open_active [{}]:{} 0'.format(
target_addr, str(port)))
child.expect_exact('gnrc_tcp_open_active: returns 0')
# Accept Data sent by the host system
child.sendline('gnrc_tcp_recv 1000000 ' + str(data_len))
child.expect_exact('gnrc_tcp_recv: received ' + str(data_len), timeout=20)
# Close connection and verify that pktbuf is cleared
shutdown_event.set()
child.sendline('gnrc_tcp_close')
server_handle.join()
verify_pktbuf_empty(child)
# Verify received Data
assert read_data_from_internal_buffer(child, data_len) == data
print(os.path.basename(sys.argv[0]) + ': success')