def test_coverage():
controller = MockController()
state = BandwidthStats(controller)
controller.bwstats = state
circ_id = 1
# Stray circ_minor event
state.circ_minor_event(cannibalized_circ(circ_id, "HS_SERVICE_REND"))
assert str(circ_id) not in state.circs
# Insane bw values
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circbw_event(circ_bw(circ_id, _CELL_PAYLOAD_SIZE, _CELL_PAYLOAD_SIZE,
_CELL_PAYLOAD_SIZE, _CELL_PAYLOAD_SIZE, 0, 0))
def test_connguard():
controller = MockController()
state = BandwidthStats(controller)
controller.bwstats = state
circ_id = 1
# Check orconn-status
assert len(state.live_guard_conns) == 2
assert state.max_fake_id == 2
assert state.live_guard_conns[
"0"].to_guard == "3E53D3979DB07EFD736661C934A1DED14127B684"
assert "1" not in state.live_guard_conns
assert state.live_guard_conns[
"2"].to_guard == "3E53D3979DB07EFD736661C934A1DED14127B684"
# Test HS_INTRO close
assert state.circs_destroyed_total == 0
state.orconn_event(
orconn_event(11, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
state.circ_event(
built_circ(23, "HS_SERVICE_INTRO",
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.orconn_event(
orconn_event(11, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CLOSED"))
state.circ_event(
destroyed_circ(23,
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 1
assert state.circs_destroyed_total == 1
# Test cannibalized close
assert state.circs_destroyed_total == 1
state.orconn_event(
orconn_event(12, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
state.circ_event(
built_circ(24, "HS_VANGUARDS",
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.circ_minor_event(
purpose_changed_circ(
24, "HS_VANGUARDS", "HS_SERVICE_REND",
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.orconn_event(
orconn_event(12, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CLOSED"))
state.circ_event(
destroyed_circ(24,
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 2
assert state.circs_destroyed_total == 2
# Test cannibalized close on pre-existing conn
assert state.circs_destroyed_total == 2
state.circ_event(
built_circ(2323, "HS_VANGUARDS",
"$3E53D3979DB07EFD736661C934A1DED14127B684~Unnamed"))
state.circ_minor_event(
purpose_changed_circ(
2323, "HS_VANGUARDS", "HS_SERVICE_REND",
"$3E53D3979DB07EFD736661C934A1DED14127B684~Unnamed"))
assert not state.circs["2323"].possibly_destroyed_at
assert state.circs["2323"].in_use
state.orconn_event(
orconn_event(5, "$3E53D3979DB07EFD736661C934A1DED14127B684~Unnamed",
"CLOSED"))
assert state.circs["2323"].possibly_destroyed_at
state.circ_event(
destroyed_circ(2323,
"$3E53D3979DB07EFD736661C934A1DED14127B684~Unnamed"))
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 2
assert state.guards[
"3E53D3979DB07EFD736661C934A1DED14127B684"].killed_conns == 1
assert state.circs_destroyed_total == 3
# Tests that should not trigger logs:
# * Test HS_VANGUARDS
assert state.circs_destroyed_total == 3
state.orconn_event(
orconn_event(13, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
state.circ_event(
built_circ(25, "HS_VANGUARDS",
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.orconn_event(
orconn_event(13, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CLOSED"))
state.circ_event(
destroyed_circ(25,
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 2
assert state.circs_destroyed_total == 3
# * Test general close
assert state.circs_destroyed_total == 3
state.orconn_event(
orconn_event(14, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
state.circ_event(
built_general_circ(
26, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.orconn_event(
orconn_event(14, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CLOSED"))
state.circ_event(
destroyed_circ(26,
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 2
assert state.circs_destroyed_total == 3
# * Test late close of hs_intro
assert state.circs_destroyed_total == 3
state.orconn_event(
orconn_event(15, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
state.circ_event(
built_circ(27, "HS_SERVICE_INTRO",
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.orconn_event(
orconn_event(15, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CLOSED"))
ev = destroyed_circ(27,
"$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed")
ev.arrived_at = time.time() + 5
state.circ_event(ev)
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 2
assert state.circs_destroyed_total == 3
# * Different guard for hs_intro
assert state.circs_destroyed_total == 3
state.orconn_event(
orconn_event(16, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
state.circ_event(
built_circ(28, "HS_SERVICE_INTRO",
"$6416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
state.orconn_event(
orconn_event(16, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CLOSED"))
state.circ_event(
destroyed_circ(28,
"$6416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed"))
assert state.guards[
"5416F3E8F80101A133B1970495B04FDBD1C7446B"].killed_conns == 2
assert state.circs_destroyed_total == 3
# Test orconn-status fake_id clearing, esp with launched
assert len(state.live_guard_conns) == 1
assert not state.no_conns_since
ev = orconn_event(6, "$3E53D3979DB07EFD736661C934A1DED14127B684~Unnamed",
"CLOSED")
last_conn = int(time.time())
ev.arrived_at = last_conn
state.orconn_event(ev)
assert state.no_conns_since == last_conn
assert len(state.live_guard_conns) == 0
# Test no orconns for 5, 10 seconds
ev = MockEvent(last_conn)
state.bw_event(ev)
assert state.disconnected_conns == False
ev = MockEvent(last_conn + CONN_MAX_DISCONNECTED_SECS * 2)
state.bw_event(ev)
assert state.disconnected_conns
# Test come back to life.
state.orconn_event(
orconn_event(15, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
last_conn = int(time.time())
ev = MockEvent(last_conn)
state.bw_event(ev)
assert state.disconnected_conns == False
# Test disabled
vanguards.bandguards.CONN_MAX_DISCONNECTED_SECS = 0
assert CONN_MAX_DISCONNECTED_SECS # Didn't change local val
ev = MockEvent(last_conn + CONN_MAX_DISCONNECTED_SECS * 2)
state.bw_event(ev)
assert state.disconnected_conns == False
vanguards.bandguards.CONN_MAX_DISCONNECTED_SECS = CONN_MAX_DISCONNECTED_SECS
# Test no circuits for 5, 10 seconds
state.orconn_event(
orconn_event(9001, "$5416F3E8F80101A133B1970495B04FDBD1C7446B~Unnamed",
"CONNECTED"))
ev = MockEvent(last_conn + 20)
state.bw_event(ev)
ev = built_general_circ(29)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since == None
state.bw_event(ev)
assert state.disconnected_circs == False
assert state.disconnected_conns == False
# Quiet doesn't mean no network
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.no_circs_since == None
assert state.disconnected_circs == False
# Failure then quiet doesn't, when no circs:
ev = failed_circ(31)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since == None
assert state.disconnected_circs == False
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == False
# Failure then quiet does, when no circs:
ev = extended_circ(333, "HS_VANGUARDS")
ev.arrived_at = last_conn
state.circ_event(ev)
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.no_circs_since == None
assert state.disconnected_circs == False
ev = failed_circ(31)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == True
# Success clears it
ev = built_general_circ(32)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since == None
state.bw_event(ev)
assert state.disconnected_circs == False
# Failure then success is also ok
ev = failed_circ(34)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since
assert state.disconnected_circs == False
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == True
ev = extended_circ(35, "GENERAL")
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since == None
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == False
# Failure then circbw is also ok
ev = failed_circ(34)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since
assert state.disconnected_circs == False
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == True
check_dropped_bytes(state, controller, 23, 1, 0)
assert state.no_circs_since == None
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == False
# Test disabled
vanguards.bandguards.CIRC_MAX_DISCONNECTED_SECS = 0
assert CIRC_MAX_DISCONNECTED_SECS # Didn't change local val
ev = failed_circ(313)
ev.arrived_at = last_conn
state.circ_event(ev)
assert state.no_circs_since
assert state.disconnected_circs == False
ev.arrived_at = last_conn + CIRC_MAX_DISCONNECTED_SECS * 2
state.bw_event(ev)
assert state.disconnected_circs == False
vanguards.bandguards.CIRC_MAX_DISCONNECTED_SECS = CIRC_MAX_DISCONNECTED_SECS
def test_bwstats():
global CIRC_MAX_DROPPED_CELLS
global CIRC_MAX_MEGABYTES
controller = MockController()
state = BandwidthStats(controller)
controller.bwstats = state
circ_id = 1
# - BUILT -> FAILED,CLOSED removed from map
# - BUILT -> CLOSED removed from map
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert str(circ_id) in state.circs
state.circ_event(failed_circ(circ_id))
assert str(circ_id) not in state.circs
state.circ_event(closed_circ(circ_id))
assert str(circ_id) not in state.circs
circ_id += 1
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert str(circ_id) in state.circs
state.circ_event(closed_circ(circ_id))
assert str(circ_id) not in state.circs
# - HSDIR size cap exceeded for direct service circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hsdir_circ(circ_id))
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == True
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - HSDIR size cap exceeded for cannibalized circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert state.circs[str(circ_id)].is_hsdir == False
state.circ_minor_event(cannibalized_circ(circ_id, "HS_CLIENT_HSDIR"))
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == False
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - HSDIR size cap disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hsdir_circ(circ_id))
vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES = 0
assert vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES != CIRC_MAX_HSDESC_KILOBYTES
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == True
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES = CIRC_MAX_HSDESC_KILOBYTES
# - Max bytes exceed (read, write)
circ_id += 1
controller.closed_circ = None
vanguards.bandguards.CIRC_MAX_MEGABYTES = 100
CIRC_MAX_MEGABYTES = 100
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_maxbytes(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - Max bytes disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_SERVICE_REND"))
vanguards.bandguards.CIRC_MAX_MEGABYTES = 0
assert vanguards.bandguards.CIRC_MAX_MEGABYTES != CIRC_MAX_MEGABYTES
check_maxbytes(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_MEGABYTES = CIRC_MAX_MEGABYTES
# - Frob circ.created_at to close circ (bw event)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == None
state.circs[str(circ_id)].created_at = time.time() - \
(1+CIRC_MAX_AGE_HOURS*_SECS_PER_HOUR)
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == str(circ_id)
# - Test disabled circ lifetime
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_AGE_HOURS = 0
assert vanguards.bandguards.CIRC_MAX_AGE_HOURS != CIRC_MAX_AGE_HOURS
state.circs[str(circ_id)].created_at = time.time() - \
(1+CIRC_MAX_AGE_HOURS*_SECS_PER_HOUR)
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == None
# Test that regular reading is ok
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 100, 0)
assert controller.closed_circ == None
# Test that no dropped cells are allowed before app data
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == str(circ_id)
# Test that 1 dropped cell is allowed on pathbias
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_SERVICE_REND"))
state.circ_minor_event(
purpose_changed_circ(circ_id, "HS_SERVICE_REND", "PATH_BIAS_TESTING"))
path_bias_cells = 0
while path_bias_cells < _MAX_PATH_BIAS_CELLS_SERVICE:
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == None
path_bias_cells += 1
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == str(circ_id)
# Test that 1 dropped cell is allowed on pathbias
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.circ_minor_event(
purpose_changed_circ(circ_id, "HS_CLIENT_REND", "PATH_BIAS_TESTING"))
path_bias_cells = 0
while path_bias_cells < _MAX_PATH_BIAS_CELLS_CLIENT:
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == None
path_bias_cells += 1
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == str(circ_id)
# Test that no dropped cells are allowed on not-built circ.
circ_id += 1
controller.closed_circ = None
state.circ_event(extended_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == str(circ_id)
# Test that after app data, up to CIRC_MAX_DROPPED_CELLS
# allowed, and then we close.
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 1000,
CIRC_MAX_DROPPED_CELLS + 1)
assert controller.closed_circ == str(circ_id)
# - Non-HS circs ignored:
circ_id += 1
state.circ_event(built_general_circ(circ_id))
assert str(circ_id) not in state.circs
def test_bwstats():
global CIRC_MAX_MEGABYTES
global CIRC_MAX_SERV_INTRO_KILOBYTES
controller = MockController()
state = BandwidthStats(controller)
controller.bwstats = state
circ_id = 1
# - BUILT -> FAILED,CLOSED removed from map
# - BUILT -> CLOSED removed from map
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert str(circ_id) in state.circs
state.circ_event(failed_circ(circ_id))
assert str(circ_id) not in state.circs
state.circ_event(closed_circ(circ_id))
assert str(circ_id) not in state.circs
circ_id += 1
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert str(circ_id) in state.circs
state.circ_event(closed_circ(circ_id))
assert str(circ_id) not in state.circs
# - HSDIR size cap exceeded for direct service circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hsdir_circ(circ_id))
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == True
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - HSDIR size cap exceeded for cannibalized circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert state.circs[str(circ_id)].is_hsdir == False
state.circ_minor_event(cannibalized_circ(circ_id, "HS_CLIENT_HSDIR"))
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == False
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - HSDIR size cap disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hsdir_circ(circ_id))
vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES = 0
assert vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES != CIRC_MAX_HSDESC_KILOBYTES
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == True
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES = CIRC_MAX_HSDESC_KILOBYTES
# - INTRO size cap disabled by default
circ_id += 1
controller.closed_circ = None
state.circ_event(built_serv_intro_circ(circ_id))
assert vanguards.bandguards.CIRC_MAX_SERV_INTRO_KILOBYTES == CIRC_MAX_SERV_INTRO_KILOBYTES
assert state.circs[str(circ_id)].is_serv_intro == True
assert state.circs[str(circ_id)].is_service == True
check_serv_intro(state, controller, circ_id)
assert controller.closed_circ == None
# - INTRO size cap exceeded for direct service circ
circ_id += 1
controller.closed_circ = None
vanguards.bandguards.CIRC_MAX_SERV_INTRO_KILOBYTES = 1024
CIRC_MAX_SERV_INTRO_KILOBYTES = 1024
state.circ_event(built_serv_intro_circ(circ_id))
assert state.circs[str(circ_id)].is_serv_intro == True
assert state.circs[str(circ_id)].is_service == True
check_serv_intro(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - INTRO size cap exceeded for cannibalized circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert state.circs[str(circ_id)].is_serv_intro == False
state.circ_minor_event(cannibalized_circ(circ_id, "HS_SERVICE_INTRO"))
assert state.circs[str(circ_id)].is_serv_intro == True
assert state.circs[str(circ_id)].is_service == True
check_serv_intro(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
vanguards.bandguards.CIRC_MAX_SERV_INTRO_KILOBYTES = 0
CIRC_MAX_SERV_INTRO_KILOBYTES = 0
# - Max bytes exceed (read, write)
circ_id += 1
controller.closed_circ = None
vanguards.bandguards.CIRC_MAX_MEGABYTES = 100
CIRC_MAX_MEGABYTES = 100
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_maxbytes(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - Max bytes disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_SERVICE_REND"))
vanguards.bandguards.CIRC_MAX_MEGABYTES = 0
assert vanguards.bandguards.CIRC_MAX_MEGABYTES != CIRC_MAX_MEGABYTES
check_maxbytes(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_MEGABYTES = CIRC_MAX_MEGABYTES
# - Frob circ.created_at to close circ (bw event)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == None
state.circs[str(circ_id)].created_at = time.time() - \
(1+CIRC_MAX_AGE_HOURS*_SECS_PER_HOUR)
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == str(circ_id)
# - Test disabled circ lifetime
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_AGE_HOURS = 0
assert vanguards.bandguards.CIRC_MAX_AGE_HOURS != CIRC_MAX_AGE_HOURS
state.circs[str(circ_id)].created_at = time.time() - \
(1+CIRC_MAX_AGE_HOURS*_SECS_PER_HOUR)
state.bw_event(MockEvent(time.time()))
assert controller.closed_circ == None
# Test that regular reading is ok
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 100, 0)
assert controller.closed_circ == None
# Test that no dropped cells are allowed before app data
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == str(circ_id)
# Test that 0 dropped cells are allowed on pathbias
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_SERVICE_REND"))
state.circ_minor_event(purpose_changed_circ(circ_id,
"HS_SERVICE_REND",
"PATH_BIAS_TESTING"))
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == str(circ_id)
# Test that dropped cells are allowed on not-built circ.
circ_id += 1
controller.closed_circ = None
state.circ_event(extended_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 0, 1)
assert controller.closed_circ == None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circbw_event(circ_bw(circ_id,
_CELL_PAYLOAD_SIZE, _CELL_PAYLOAD_SIZE,
12, 0,
12, 0))
assert controller.closed_circ == str(circ_id)
# Test that after app data, no dropped cells allowed,
# and then we close.
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test Non-HS circs closed with dropped cells.
circ_id += 1
controller.closed_circ = None
state.circ_event(built_general_circ(circ_id))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #29700:
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_SERVICE_REND", "HSSR_CONNECTING"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #29927:
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_CLIENT_INTRO", "HSCI_DONE"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_CLIENT_INTRO", "HSCI_CONNECTING"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #29699
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_SERVICE_INTRO", "HSSI_ESTABLISHED"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #40359
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_CLIENT_INTRO", "HSCI_CONNECTING"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_CLIENT_INTRO",
"CIRCUIT_PADDING",
"HSCI_INTRO_SENT",
"None"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #29786 (should close now)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_SERVICE_INTRO", "HSSI_ESTABLISHED"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_SERVICE_INTRO",
"PATH_BIAS_TESTING",
"HSSI_CONNECTING",
"None"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hs_circ(circ_id, "HS_CLIENT_INTRO", "HSCI_CONNECTING"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_CLIENT_INTRO",
"PATH_BIAS_TESTING",
"HSCI_CONNECTING",
"None"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #29700
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_VANGUARDS",
"HS_SERVICE_REND",
"None",
"HSSR_CONNECTING"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
# Test workaround for #29927
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_VANGUARDS",
"HS_CLIENT_REND",
"None",
"HSCR_CONNECTING"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_VANGUARDS",
"HS_CLIENT_INTRO",
"None",
"HSCI_DONE"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circ_minor_event(purpose_changed_hs_circ(circ_id,
"HS_VANGUARDS",
"HS_CLIENT_INTRO",
"None",
"HSCI_CONNECTING"))
check_dropped_bytes(state, controller, circ_id, 1000, 1)
assert controller.closed_circ == str(circ_id)
def test_bwstats():
global CIRC_MAX_DROPPED_BYTES_PERCENT
global CIRC_MAX_MEGABYTES
controller = MockController()
state = BandwidthStats(controller)
controller.bwstats = state
circ_id = 1
# - BUILT -> FAILED,CLOSED removed from map
# - BUILT -> CLOSED removed from map
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert str(circ_id) in state.circs
state.circ_event(failed_circ(circ_id))
assert str(circ_id) not in state.circs
state.circ_event(closed_circ(circ_id))
assert str(circ_id) not in state.circs
circ_id += 1
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert str(circ_id) in state.circs
state.circ_event(closed_circ(circ_id))
assert str(circ_id) not in state.circs
# - HSDIR size cap exceeded for direct service circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hsdir_circ(circ_id))
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == True
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - HSDIR size cap exceeded for cannibalized circ
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
assert state.circs[str(circ_id)].is_hsdir == False
state.circ_minor_event(cannibalized_circ(circ_id, "HS_CLIENT_HSDIR"))
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == False
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - HSDIR size cap disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_hsdir_circ(circ_id))
vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES = 0
assert vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES != CIRC_MAX_HSDESC_KILOBYTES
assert state.circs[str(circ_id)].is_hsdir == True
assert state.circs[str(circ_id)].is_service == True
check_hsdir(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_HSDESC_KILOBYTES = CIRC_MAX_HSDESC_KILOBYTES
# - Max bytes exceed (read, write)
circ_id += 1
controller.closed_circ = None
vanguards.bandguards.CIRC_MAX_MEGABYTES = 100
CIRC_MAX_MEGABYTES = 100
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
check_maxbytes(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - Max bytes disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_SERVICE_REND"))
vanguards.bandguards.CIRC_MAX_MEGABYTES = 0
assert vanguards.bandguards.CIRC_MAX_MEGABYTES != CIRC_MAX_MEGABYTES
check_maxbytes(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_MEGABYTES = CIRC_MAX_MEGABYTES
# - Frob circ.created_at to close circ (bw event)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.bw_event(None)
assert controller.closed_circ == None
state.circs[str(circ_id)].created_at = time.time() - \
(1+CIRC_MAX_AGE_HOURS*_SECS_PER_HOUR)
state.bw_event(None)
assert controller.closed_circ == str(circ_id)
# - Test disabled circ lifetime
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
state.bw_event(None)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_AGE_HOURS = 0
assert vanguards.bandguards.CIRC_MAX_AGE_HOURS != CIRC_MAX_AGE_HOURS
state.circs[str(circ_id)].created_at = time.time() - \
(1+CIRC_MAX_AGE_HOURS*_SECS_PER_HOUR)
state.bw_event(None)
assert controller.closed_circ == None
# - Read ratio exceeded (but writes are ignored)
CIRC_MAX_DROPPED_BYTES_PERCENT = 2.5
vanguards.bandguards.CIRC_MAX_DROPPED_BYTES_PERCENT = 2.5
CIRC_MAX_DROPPED_BYTES_PERCENT /= 100.0
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_CLIENT_REND"))
check_ratio(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - Read ratio exceeded for service (but writes are ignored)
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
state.circ_minor_event(cannibalized_circ(circ_id, "HS_SERVICE_REND"))
check_ratio(state, controller, circ_id)
assert controller.closed_circ == str(circ_id)
# - Read ratio disabled
circ_id += 1
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
vanguards.bandguards.CIRC_MAX_DROPPED_BYTES_PERCENT = 100.0
check_ratio(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_DROPPED_BYTES_PERCENT = CIRC_MAX_DROPPED_BYTES_PERCENT * 100
# - Read ratio set to 0 but there still is overhead.
circ_id += 1
vanguards.bandguards.CIRC_MAX_DROPPED_BYTES_PERCENT = 0.0
controller.closed_circ = None
state.circ_event(built_circ(circ_id, "HS_VANGUARDS"))
vanguards.bandguards.CIRC_MAX_DROPPED_BYTES_PERCENT = 100.0
check_ratio(state, controller, circ_id)
assert controller.closed_circ == None
vanguards.bandguards.CIRC_MAX_DROPPED_BYTES_PERCENT = CIRC_MAX_DROPPED_BYTES_PERCENT * 100
# - Non-HS circs ignored:
circ_id += 1
state.circ_event(built_general_circ(circ_id))
assert str(circ_id) not in state.circs