xref: /aosp_15_r20/external/openthread/tests/toranj/cli/test-026-coaps-conn-limit.py (revision cfb92d1480a9e65faed56933e9c12405f45898b4)

#!/usr/bin/env python3
#
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from cli import verify
from cli import verify_within
import cli
import time

# -----------------------------------------------------------------------------------------------------------------------
# Test description:
#
# Validate CoaP secure agent related to the maximum number of allowed connection attempts before the socket is a
# automatically closed and the agent is stopped.
#
#
# Network topology
#
#    r1 ---- r2
#

test_name = __file__[:-3] if __file__.endswith('.py') else __file__
print('-' * 120)
print('Starting \'{}\''.format(test_name))

# -----------------------------------------------------------------------------------------------------------------------
# Creating `cli.Node` instances

speedup = 40
cli.Node.set_time_speedup_factor(speedup)

r1 = cli.Node()
r2 = cli.Node()

# -----------------------------------------------------------------------------------------------------------------------
# Form topology

r1.form('coaps-conn-lmt')
r2.join(r1)

verify(r1.get_state() == 'leader')
verify(r2.get_state() == 'router')

# -----------------------------------------------------------------------------------------------------------------------
# Test Implementation

r1.cli('coaps psk RIGHT 1234')

# Set max connection attempts to 3
r1.cli('coaps start 3')

r1_mleid = r1.get_mleid_ip_addr()

r2.cli('coaps psk WRONG 1234')
r2.cli('coaps start')

# First connection attempt
r2.cli('coaps connect', r1_mleid)
time.sleep(0.1)
verify(r1.cli('coaps isconnactive')[-1] == 'no')
verify(r1.cli('coaps isclosed')[-1] == 'no')

# Second connection attempt
r2.cli('coaps connect', r1_mleid)
time.sleep(0.1)
verify(r1.cli('coaps isconnactive')[-1] == 'no')
verify(r1.cli('coaps isclosed')[-1] == 'no')

# Third connection attempt
r2.cli('coaps connect', r1_mleid)
time.sleep(0.1)
verify(r1.cli('coaps isconnactive')[-1] == 'no')
verify(r1.cli('coaps isclosed')[-1] == 'yes')

# -----------------------------------------------------------------------------------------------------------------------
# Test finished

cli.Node.finalize_all_nodes()

print('\'{}\' passed.'.format(test_name))