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test_lightningd.py: test io logging and toggling with SIGUSR1

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell
2018-02-05 14:39:28 +10:30
parent 99e246becd
commit d77972e827
1 changed files with 54 additions and 0 deletions
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54
tests/test_lightningd.py
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@@ -3228,6 +3228,60 @@ class LightningDTests(BaseLightningDTests):
l1.daemon.wait_for_log('onchaind complete, forgetting peer') l1.daemon.wait_for_log('onchaind complete, forgetting peer')
l2.daemon.wait_for_log('onchaind complete, forgetting peer') l2.daemon.wait_for_log('onchaind complete, forgetting peer')
def test_io_logging(self):
disconnects = ['+WIRE_COMMITMENT_SIGNED']
l1 = self.node_factory.get_node(options=['--debug-subdaemon-io=channeld',
'--log-level=io'])
l2 = self.node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
# Fundchannel manually so we get channeld pid.
self.give_funds(l1, 10**6 + 1000000)
l1.rpc.fundchannel(l2.info['id'], 10**6)['tx']
# Get pid of channeld, eg 'lightning_channeld(...): pid 13933, msgfd 12'
pidline = l1.daemon.wait_for_log(r'lightning_channeld.*: pid [0-9]*,')
pid1 = re.search(r'pid ([0-9]*),', pidline).group(1)
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log(' to CHANNELD_NORMAL')
pidline = l2.daemon.wait_for_log(r'lightning_channeld.*: pid [0-9]*,')
pid2 = re.search(r'pid ([0-9]*),', pidline).group(1)
l2.daemon.wait_for_log(' to CHANNELD_NORMAL')
fut = self.pay(l1,l2,200000000,async=True)
# WIRE_UPDATE_ADD_HTLC = 128 = 0x0080
l1.daemon.wait_for_log(r'channeld.*:\[OUT\] 0080')
# WIRE_UPDATE_FULFILL_HTLC = 130 = 0x0082
l1.daemon.wait_for_log(r'channeld.*:\[IN\] 0082')
fut.result(10)
# Send it sigusr1: should turn off logging.
subprocess.run(['kill', '-USR1', pid1])
self.pay(l1,l2,200000000)
assert not l1.daemon.is_in_log(r'channeld.*:\[OUT\] 0080',
start=l1.daemon.logsearch_start)
assert not l1.daemon.is_in_log(r'channeld.*:\[IN\] 0082',
start=l1.daemon.logsearch_start)
# IO logs should appear in peer logs.
peerlog = l2.rpc.listpeers(l1.info['id'], "io")['peers'][0]['log']
assert not any(l['type'] == 'IO_OUT' or l['type'] == 'IO_IN'
for l in peerlog)
# Turn on in l2 channel logging.
subprocess.run(['kill', '-USR1', pid2])
self.pay(l1,l2,200000000)
# Now it should find it.
peerlog = l2.rpc.listpeers(l1.info['id'], "io")['peers'][0]['log']
assert any(l['type'] == 'IO_OUT' for l in peerlog)
assert any(l['type'] == 'IO_IN' for l in peerlog)
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1") @unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_pay_disconnect(self): def test_pay_disconnect(self):
"""If the remote node has disconnected, we fail payment, but can try again when it reconnects""" """If the remote node has disconnected, we fail payment, but can try again when it reconnects"""