diff options
| -rw-r--r-- | changelog.d/16066.bugfix | 1 | ||||
| -rw-r--r-- | changelog.d/16170.bugfix | 1 | ||||
| -rw-r--r-- | changelog.d/16170.misc | 1 | ||||
| -rw-r--r-- | changelog.d/16171.bugfix | 1 | ||||
| -rw-r--r-- | changelog.d/16171.misc | 1 | ||||
| -rw-r--r-- | changelog.d/16172.bugfix | 1 | ||||
| -rw-r--r-- | changelog.d/16172.misc | 1 | ||||
| -rw-r--r-- | synapse/api/presence.py | 43 | ||||
| -rw-r--r-- | synapse/handlers/presence.py | 279 | ||||
| -rw-r--r-- | tests/handlers/test_presence.py | 500 |
10 files changed, 765 insertions, 64 deletions
diff --git a/changelog.d/16066.bugfix b/changelog.d/16066.bugfix new file mode 100644 index 0000000000..83649cf42a --- /dev/null +++ b/changelog.d/16066.bugfix @@ -0,0 +1 @@ +Fix a long-standing bug where multi-device accounts could cause high load due to presence. diff --git a/changelog.d/16170.bugfix b/changelog.d/16170.bugfix new file mode 100644 index 0000000000..83649cf42a --- /dev/null +++ b/changelog.d/16170.bugfix @@ -0,0 +1 @@ +Fix a long-standing bug where multi-device accounts could cause high load due to presence. diff --git a/changelog.d/16170.misc b/changelog.d/16170.misc deleted file mode 100644 index c950b54367..0000000000 --- a/changelog.d/16170.misc +++ /dev/null @@ -1 +0,0 @@ -Simplify presence code when using workers. diff --git a/changelog.d/16171.bugfix b/changelog.d/16171.bugfix new file mode 100644 index 0000000000..83649cf42a --- /dev/null +++ b/changelog.d/16171.bugfix @@ -0,0 +1 @@ +Fix a long-standing bug where multi-device accounts could cause high load due to presence. diff --git a/changelog.d/16171.misc b/changelog.d/16171.misc deleted file mode 100644 index 4d709cb56e..0000000000 --- a/changelog.d/16171.misc +++ /dev/null @@ -1 +0,0 @@ -Track per-device information in the presence code. diff --git a/changelog.d/16172.bugfix b/changelog.d/16172.bugfix new file mode 100644 index 0000000000..83649cf42a --- /dev/null +++ b/changelog.d/16172.bugfix @@ -0,0 +1 @@ +Fix a long-standing bug where multi-device accounts could cause high load due to presence. diff --git a/changelog.d/16172.misc b/changelog.d/16172.misc deleted file mode 100644 index 4d709cb56e..0000000000 --- a/changelog.d/16172.misc +++ /dev/null @@ -1 +0,0 @@ -Track per-device information in the presence code. diff --git a/synapse/api/presence.py b/synapse/api/presence.py index b80aa83cb3..b78f419994 100644 --- a/synapse/api/presence.py +++ b/synapse/api/presence.py @@ -20,18 +20,53 @@ from synapse.api.constants import PresenceState from synapse.types import JsonDict +@attr.s(slots=True, auto_attribs=True) +class UserDevicePresenceState: + """ + Represents the current presence state of a user's device. + + user_id: The user ID. + device_id: The user's device ID. + state: The presence state, see PresenceState. + last_active_ts: Time in msec that the device last interacted with server. + last_sync_ts: Time in msec that the device last *completed* a sync + (or event stream). + """ + + user_id: str + device_id: Optional[str] + state: str + last_active_ts: int + last_sync_ts: int + + @classmethod + def default( + cls, user_id: str, device_id: Optional[str] + ) -> "UserDevicePresenceState": + """Returns a default presence state.""" + return cls( + user_id=user_id, + device_id=device_id, + state=PresenceState.OFFLINE, + last_active_ts=0, + last_sync_ts=0, + ) + + @attr.s(slots=True, frozen=True, auto_attribs=True) class UserPresenceState: """Represents the current presence state of the user. - user_id - last_active: Time in msec that the user last interacted with server. - last_federation_update: Time in msec since either a) we sent a presence + user_id: The user ID. + state: The presence state, see PresenceState. + last_active_ts: Time in msec that the user last interacted with server. + last_federation_update_ts: Time in msec since either a) we sent a presence update to other servers or b) we received a presence update, depending on if is a local user or not. - last_user_sync: Time in msec that the user last *completed* a sync + last_user_sync_ts: Time in msec that the user last *completed* a sync (or event stream). status_msg: User set status message. + currently_active: True if the user is currently syncing. """ user_id: str diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index f31e18328b..80190838b7 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -13,13 +13,56 @@ # See the License for the specific language governing permissions and # limitations under the License. -"""This module is responsible for keeping track of presence status of local +""" +This module is responsible for keeping track of presence status of local and remote users. The methods that define policy are: - PresenceHandler._update_states - PresenceHandler._handle_timeouts - should_notify + +# Tracking local presence + +For local users, presence is tracked on a per-device basis. When a user has multiple +devices the user presence state is derived by coalescing the presence from each +device: + + BUSY > ONLINE > UNAVAILABLE > OFFLINE + +The time that each device was last active and last synced is tracked in order to +automatically downgrade a device's presence state: + + A device may move from ONLINE -> UNAVAILABLE, if it has not been active for + a period of time. + + A device may go from any state -> OFFLINE, if it is not active and has not + synced for a period of time. + +The timeouts are handled using a wheel timer, which has coarse buckets. Timings +do not need to be exact. + +Generally a device's presence state is updated whenever a user syncs (via the +set_presence parameter), when the presence API is called, or if "pro-active" +events occur, including: + +* Sending an event, receipt, read marker. +* Updating typing status. + +The busy state has special status that it cannot is not downgraded by a call to +sync with a lower priority state *and* it takes a long period of time to transition +to offline. + +# Persisting (and restoring) presence + +For all users, presence is persisted on a per-user basis. Data is kept in-memory +and persisted periodically. When Synapse starts each worker loads the current +presence state and then tracks the presence stream to keep itself up-to-date. + +When restoring presence for local users a pseudo-device is created to match the +user state; this device follows the normal timeout logic (see above) and will +automatically be replaced with any information from currently available devices. + """ import abc import contextlib @@ -30,6 +73,7 @@ from contextlib import contextmanager from types import TracebackType from typing import ( TYPE_CHECKING, + AbstractSet, Any, Callable, Collection, @@ -49,7 +93,7 @@ from prometheus_client import Counter import synapse.metrics from synapse.api.constants import EduTypes, EventTypes, Membership, PresenceState from synapse.api.errors import SynapseError -from synapse.api.presence import UserPresenceState +from synapse.api.presence import UserDevicePresenceState, UserPresenceState from synapse.appservice import ApplicationService from synapse.events.presence_router import PresenceRouter from synapse.logging.context import run_in_background @@ -162,6 +206,7 @@ class BasePresenceHandler(abc.ABC): self.VALID_PRESENCE += (PresenceState.BUSY,) active_presence = self.store.take_presence_startup_info() + # The combined status across all user devices. self.user_to_current_state = {state.user_id: state for state in active_presence} @abc.abstractmethod @@ -708,9 +753,27 @@ class PresenceHandler(BasePresenceHandler): lambda: len(self.user_to_current_state), ) + # The per-device presence state, maps user to devices to per-device presence state. + self._user_to_device_to_current_state: Dict[ + str, Dict[Optional[str], UserDevicePresenceState] + ] = {} + now = self.clock.time_msec() if self._presence_enabled: for state in self.user_to_current_state.values(): + # Create a psuedo-device to properly handle time outs. This will + # be overridden by any "real" devices within SYNC_ONLINE_TIMEOUT. + pseudo_device_id = None + self._user_to_device_to_current_state[state.user_id] = { + pseudo_device_id: UserDevicePresenceState( + user_id=state.user_id, + device_id=pseudo_device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) + } + self.wheel_timer.insert( now=now, obj=state.user_id, then=state.last_active_ts + IDLE_TIMER ) @@ -752,7 +815,7 @@ class PresenceHandler(BasePresenceHandler): # Keeps track of the number of *ongoing* syncs on other processes. # - # While any sync is ongoing on another process the user will never + # While any sync is ongoing on another process the user's device will never # go offline. # # Each process has a unique identifier and an update frequency. If @@ -981,22 +1044,21 @@ class PresenceHandler(BasePresenceHandler): timers_fired_counter.inc(len(states)) - syncing_user_ids = { - user_id - for (user_id, _), count in self._user_device_to_num_current_syncs.items() + # Set of user ID & device IDs which are currently syncing. + syncing_user_devices = { + user_id_device_id + for user_id_device_id, count in self._user_device_to_num_current_syncs.items() if count } - syncing_user_ids.update( - user_id - for user_id, _ in itertools.chain( - *self.external_process_to_current_syncs.values() - ) + syncing_user_devices.update( + itertools.chain(*self.external_process_to_current_syncs.values()) ) changes = handle_timeouts( states, is_mine_fn=self.is_mine_id, - syncing_user_ids=syncing_user_ids, + syncing_user_devices=syncing_user_devices, + user_to_devices=self._user_to_device_to_current_state, now=now, ) @@ -1016,11 +1078,26 @@ class PresenceHandler(BasePresenceHandler): bump_active_time_counter.inc() - prev_state = await self.current_state_for_user(user_id) + now = self.clock.time_msec() + + # Update the device information & mark the device as online if it was + # unavailable. + devices = self._user_to_device_to_current_state.setdefault(user_id, {}) + device_state = devices.setdefault( + device_id, + UserDevicePresenceState.default(user_id, device_id), + ) + device_state.last_active_ts = now + if device_state.state == PresenceState.UNAVAILABLE: + device_state.state = PresenceState.ONLINE - new_fields: Dict[str, Any] = {"last_active_ts": self.clock.time_msec()} - if prev_state.state == PresenceState.UNAVAILABLE: - new_fields["state"] = PresenceState.ONLINE + # Update the user state, this will always update last_active_ts and + # might update the presence state. + prev_state = await self.current_state_for_user(user_id) + new_fields: Dict[str, Any] = { + "last_active_ts": now, + "state": _combine_device_states(devices.values()), + } await self._update_states([prev_state.copy_and_replace(**new_fields)]) @@ -1132,6 +1209,12 @@ class PresenceHandler(BasePresenceHandler): if is_syncing and (user_id, device_id) not in process_presence: process_presence.add((user_id, device_id)) elif not is_syncing and (user_id, device_id) in process_presence: + devices = self._user_to_device_to_current_state.setdefault(user_id, {}) + device_state = devices.setdefault( + device_id, UserDevicePresenceState.default(user_id, device_id) + ) + device_state.last_sync_ts = sync_time_msec + new_state = prev_state.copy_and_replace( last_user_sync_ts=sync_time_msec ) @@ -1151,11 +1234,24 @@ class PresenceHandler(BasePresenceHandler): process_presence = self.external_process_to_current_syncs.pop( process_id, set() ) - prev_states = await self.current_state_for_users( - {user_id for user_id, device_id in process_presence} - ) + time_now_ms = self.clock.time_msec() + # Mark each device as having a last sync time. + updated_users = set() + for user_id, device_id in process_presence: + device_state = self._user_to_device_to_current_state.setdefault( + user_id, {} + ).setdefault( + device_id, UserDevicePresenceState.default(user_id, device_id) + ) + + device_state.last_sync_ts = time_now_ms + updated_users.add(user_id) + + # Update each user (and insert into the appropriate timers to check if + # they've gone offline). + prev_states = await self.current_state_for_users(updated_users) await self._update_states( [ prev_state.copy_and_replace(last_user_sync_ts=time_now_ms) @@ -1277,6 +1373,20 @@ class PresenceHandler(BasePresenceHandler): if prev_state.state == PresenceState.BUSY and is_sync: presence = PresenceState.BUSY + # Update the device specific information. + devices = self._user_to_device_to_current_state.setdefault(user_id, {}) + device_state = devices.setdefault( + device_id, + UserDevicePresenceState.default(user_id, device_id), + ) + device_state.state = presence + device_state.last_active_ts = now + if is_sync: + device_state.last_sync_ts = now + + # Based on the state of each user's device calculate the new presence state. + presence = _combine_device_states(devices.values()) + new_fields = {"state": presence} if presence == PresenceState.ONLINE or presence == PresenceState.BUSY: @@ -1873,7 +1983,8 @@ class PresenceEventSource(EventSource[int, UserPresenceState]): def handle_timeouts( user_states: List[UserPresenceState], is_mine_fn: Callable[[str], bool], - syncing_user_ids: Set[str], + syncing_user_devices: AbstractSet[Tuple[str, Optional[str]]], + user_to_devices: Dict[str, Dict[Optional[str], UserDevicePresenceState]], now: int, ) -> List[UserPresenceState]: """Checks the presence of users that have timed out and updates as @@ -1882,7 +1993,8 @@ def handle_timeouts( Args: user_states: List of UserPresenceState's to check. is_mine_fn: Function that returns if a user_id is ours - syncing_user_ids: Set of user_ids with active syncs. + syncing_user_devices: A set of (user ID, device ID) tuples with active syncs.. + user_to_devices: A map of user ID to device ID to UserDevicePresenceState. now: Current time in ms. Returns: @@ -1891,9 +2003,16 @@ def handle_timeouts( changes = {} # Actual changes we need to notify people about for state in user_states: - is_mine = is_mine_fn(state.user_id) - - new_state = handle_timeout(state, is_mine, syncing_user_ids, now) + user_id = state.user_id + is_mine = is_mine_fn(user_id) + + new_state = handle_timeout( + state, + is_mine, + syncing_user_devices, + user_to_devices.get(user_id, {}), + now, + ) if new_state: changes[state.user_id] = new_state @@ -1901,14 +2020,19 @@ def handle_timeouts( def handle_timeout( - state: UserPresenceState, is_mine: bool, syncing_user_ids: Set[str], now: int + state: UserPresenceState, + is_mine: bool, + syncing_device_ids: AbstractSet[Tuple[str, Optional[str]]], + user_devices: Dict[Optional[str], UserDevicePresenceState], + now: int, ) -> Optional[UserPresenceState]: """Checks the presence of the user to see if any of the timers have elapsed Args: - state + state: UserPresenceState to check. is_mine: Whether the user is ours - syncing_user_ids: Set of user_ids with active syncs. + syncing_user_devices: A set of (user ID, device ID) tuples with active syncs.. + user_devices: A map of device ID to UserDevicePresenceState. now: Current time in ms. Returns: @@ -1919,34 +2043,55 @@ def handle_timeout( return None changed = False - user_id = state.user_id if is_mine: - if state.state == PresenceState.ONLINE: - if now - state.last_active_ts > IDLE_TIMER: - # Currently online, but last activity ages ago so auto - # idle - state = state.copy_and_replace(state=PresenceState.UNAVAILABLE) - changed = True - elif now - state.last_active_ts > LAST_ACTIVE_GRANULARITY: - # So that we send down a notification that we've - # stopped updating. + # Check per-device whether the device should be considered idle or offline + # due to timeouts. + device_changed = False + offline_devices = [] + for device_id, device_state in user_devices.items(): + if device_state.state == PresenceState.ONLINE: + if now - device_state.last_active_ts > IDLE_TIMER: + # Currently online, but last activity ages ago so auto + # idle + device_state.state = PresenceState.UNAVAILABLE + device_changed = True + + # If there are have been no sync for a while (and none ongoing), + # set presence to offline. + if (state.user_id, device_id) not in syncing_device_ids: + # If the user has done something recently but hasn't synced, + # don't set them as offline. + sync_or_active = max( + device_state.last_sync_ts, device_state.last_active_ts + ) + + if now - sync_or_active > SYNC_ONLINE_TIMEOUT: + # Mark the device as going offline. + offline_devices.append(device_id) + device_changed = True + + # Offline devices are not needed and do not add information. + for device_id in offline_devices: + user_devices.pop(device_id) + + # If the presence state of the devices changed, then (maybe) update + # the user's overall presence state. + if device_changed: + new_presence = _combine_device_states(user_devices.values()) + if new_presence != state.state: + state = state.copy_and_replace(state=new_presence) changed = True + if now - state.last_active_ts > LAST_ACTIVE_GRANULARITY: + # So that we send down a notification that we've + # stopped updating. + changed = True + if now - state.last_federation_update_ts > FEDERATION_PING_INTERVAL: # Need to send ping to other servers to ensure they don't # timeout and set us to offline changed = True - - # If there are have been no sync for a while (and none ongoing), - # set presence to offline - if user_id not in syncing_user_ids: - # If the user has done something recently but hasn't synced, - # don't set them as offline. - sync_or_active = max(state.last_user_sync_ts, state.last_active_ts) - if now - sync_or_active > SYNC_ONLINE_TIMEOUT: - state = state.copy_and_replace(state=PresenceState.OFFLINE) - changed = True else: # We expect to be poked occasionally by the other side. # This is to protect against forgetful/buggy servers, so that @@ -2036,6 +2181,46 @@ def handle_update( return new_state, persist_and_notify, federation_ping +PRESENCE_BY_PRIORITY = { + PresenceState.BUSY: 4, + PresenceState.ONLINE: 3, + PresenceState.UNAVAILABLE: 2, + PresenceState.OFFLINE: 1, +} + + +def _combine_device_states( + device_states: Iterable[UserDevicePresenceState], +) -> str: + """ + Find the device to use presence information from. + + Orders devices by priority, then last_active_ts. + + Args: + device_states: An iterable of device presence states + + Return: + The combined presence state. + """ + + # Based on (all) the user's devices calculate the new presence state. + presence = PresenceState.OFFLINE + last_active_ts = -1 + + # Find the device to use the presence state of based on the presence priority, + # but tie-break with how recently the device has been seen. + for device_state in device_states: + if (PRESENCE_BY_PRIORITY[device_state.state], device_state.last_active_ts) > ( + PRESENCE_BY_PRIORITY[presence], + last_active_ts, + ): + presence = device_state.state + last_active_ts = device_state.last_active_ts + + return presence + + async def get_interested_parties( store: DataStore, presence_router: PresenceRouter, states: List[UserPresenceState] ) -> Tuple[Dict[str, List[UserPresenceState]], Dict[str, List[UserPresenceState]]]: diff --git a/tests/handlers/test_presence.py b/tests/handlers/test_presence.py index 88a16193a3..914415740a 100644 --- a/tests/handlers/test_presence.py +++ b/tests/handlers/test_presence.py @@ -21,7 +21,7 @@ from signedjson.key import generate_signing_key from twisted.test.proto_helpers import MemoryReactor from synapse.api.constants import EventTypes, Membership, PresenceState -from synapse.api.presence import UserPresenceState +from synapse.api.presence import UserDevicePresenceState, UserPresenceState from synapse.api.room_versions import KNOWN_ROOM_VERSIONS from synapse.events.builder import EventBuilder from synapse.federation.sender import FederationSender @@ -352,6 +352,7 @@ class PresenceTimeoutTestCase(unittest.TestCase): def test_idle_timer(self) -> None: user_id = "@foo:bar" + device_id = "dev-1" status_msg = "I'm here!" now = 5000000 @@ -362,8 +363,21 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_user_sync_ts=now, status_msg=status_msg, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) - new_state = handle_timeout(state, is_mine=True, syncing_user_ids=set(), now=now) + new_state = handle_timeout( + state, + is_mine=True, + syncing_device_ids=set(), + user_devices={device_id: device_state}, + now=now, + ) self.assertIsNotNone(new_state) assert new_state is not None @@ -376,6 +390,7 @@ class PresenceTimeoutTestCase(unittest.TestCase): presence state into unavailable. """ user_id = "@foo:bar" + device_id = "dev-1" status_msg = "I'm here!" now = 5000000 @@ -386,8 +401,21 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_user_sync_ts=now, status_msg=status_msg, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) - new_state = handle_timeout(state, is_mine=True, syncing_user_ids=set(), now=now) + new_state = handle_timeout( + state, + is_mine=True, + syncing_device_ids=set(), + user_devices={device_id: device_state}, + now=now, + ) self.assertIsNotNone(new_state) assert new_state is not None @@ -396,6 +424,7 @@ class PresenceTimeoutTestCase(unittest.TestCase): def test_sync_timeout(self) -> None: user_id = "@foo:bar" + device_id = "dev-1" status_msg = "I'm here!" now = 5000000 @@ -406,8 +435,21 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_user_sync_ts=now - SYNC_ONLINE_TIMEOUT - 1, status_msg=status_msg, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) - new_state = handle_timeout(state, is_mine=True, syncing_user_ids=set(), now=now) + new_state = handle_timeout( + state, + is_mine=True, + syncing_device_ids=set(), + user_devices={device_id: device_state}, + now=now, + ) self.assertIsNotNone(new_state) assert new_state is not None @@ -416,6 +458,7 @@ class PresenceTimeoutTestCase(unittest.TestCase): def test_sync_online(self) -> None: user_id = "@foo:bar" + device_id = "dev-1" status_msg = "I'm here!" now = 5000000 @@ -426,9 +469,20 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_user_sync_ts=now - SYNC_ONLINE_TIMEOUT - 1, status_msg=status_msg, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) new_state = handle_timeout( - state, is_mine=True, syncing_user_ids={user_id}, now=now + state, + is_mine=True, + syncing_device_ids={(user_id, device_id)}, + user_devices={device_id: device_state}, + now=now, ) self.assertIsNotNone(new_state) @@ -438,6 +492,7 @@ class PresenceTimeoutTestCase(unittest.TestCase): def test_federation_ping(self) -> None: user_id = "@foo:bar" + device_id = "dev-1" status_msg = "I'm here!" now = 5000000 @@ -449,14 +504,28 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_federation_update_ts=now - FEDERATION_PING_INTERVAL - 1, status_msg=status_msg, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) - new_state = handle_timeout(state, is_mine=True, syncing_user_ids=set(), now=now) + new_state = handle_timeout( + state, + is_mine=True, + syncing_device_ids=set(), + user_devices={device_id: device_state}, + now=now, + ) self.assertIsNotNone(new_state) self.assertEqual(state, new_state) def test_no_timeout(self) -> None: user_id = "@foo:bar" + device_id = "dev-1" now = 5000000 state = UserPresenceState.default(user_id) @@ -466,8 +535,21 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_user_sync_ts=now, last_federation_update_ts=now, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) - new_state = handle_timeout(state, is_mine=True, syncing_user_ids=set(), now=now) + new_state = handle_timeout( + state, + is_mine=True, + syncing_device_ids=set(), + user_devices={device_id: device_state}, + now=now, + ) self.assertIsNone(new_state) @@ -485,8 +567,9 @@ class PresenceTimeoutTestCase(unittest.TestCase): status_msg=status_msg, ) + # Note that this is a remote user so we do not have their device information. new_state = handle_timeout( - state, is_mine=False, syncing_user_ids=set(), now=now + state, is_mine=False, syncing_device_ids=set(), user_devices={}, now=now ) self.assertIsNotNone(new_state) @@ -496,6 +579,7 @@ class PresenceTimeoutTestCase(unittest.TestCase): def test_last_active(self) -> None: user_id = "@foo:bar" + device_id = "dev-1" status_msg = "I'm here!" now = 5000000 @@ -507,8 +591,21 @@ class PresenceTimeoutTestCase(unittest.TestCase): last_federation_update_ts=now, status_msg=status_msg, ) + device_state = UserDevicePresenceState( + user_id=user_id, + device_id=device_id, + state=state.state, + last_active_ts=state.last_active_ts, + last_sync_ts=state.last_user_sync_ts, + ) - new_state = handle_timeout(state, is_mine=True, syncing_user_ids=set(), now=now) + new_state = handle_timeout( + state, + is_mine=True, + syncing_device_ids=set(), + user_devices={device_id: device_state}, + now=now, + ) self.assertIsNotNone(new_state) self.assertEqual(state, new_state) @@ -579,7 +676,7 @@ class PresenceHandlerInitTestCase(unittest.HomeserverTestCase): [ (PresenceState.BUSY, PresenceState.BUSY), (PresenceState.ONLINE, PresenceState.ONLINE), - (PresenceState.UNAVAILABLE, PresenceState.UNAVAILABLE), + (PresenceState.UNAVAILABLE, PresenceState.ONLINE), # Offline syncs don't update the state. (PresenceState.OFFLINE, PresenceState.ONLINE), ] @@ -800,6 +897,389 @@ class PresenceHandlerTestCase(BaseMultiWorkerStreamTestCase): # we should now be online self.assertEqual(state.state, PresenceState.ONLINE) + @parameterized.expand( + # A list of tuples of 4 strings: + # + # * The presence state of device 1. + # * The presence state of device 2. + # * The expected user presence state after both devices have synced. + # * The expected user presence state after device 1 has idled. + # * The expected user presence state after device 2 has idled. + # * True to use workers, False a monolith. + [ + (*cases, workers) + for workers in (False, True) + for cases in [ + # If both devices have the same state, online should eventually idle. + # Otherwise, the state doesn't change. + ( + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.OFFLINE, + PresenceState.OFFLINE, + PresenceState.OFFLINE, + PresenceState.OFFLINE, + PresenceState.OFFLINE, + ), + # If the second device has a "lower" state it should fallback to it. + ( + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.ONLINE, + PresenceState.OFFLINE, + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.UNAVAILABLE, + PresenceState.OFFLINE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + # If the second device has a "higher" state it should override. + ( + PresenceState.UNAVAILABLE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.OFFLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.OFFLINE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + ] + ], + name_func=lambda testcase_func, param_num, params: f"{testcase_func.__name__}_{param_num}_{'workers' if params.args[5] else 'monolith'}", + ) + @unittest.override_config({"experimental_features": {"msc3026_enabled": True}}) + def test_set_presence_from_syncing_multi_device( + self, + dev_1_state: str, + dev_2_state: str, + expected_state_1: str, + expected_state_2: str, + expected_state_3: str, + test_with_workers: bool, + ) -> None: + """ + Test the behaviour of multiple devices syncing at the same time. + + Roughly the user's presence state should be set to the "highest" priority + of all the devices. When a device then goes offline its state should be + discarded and the next highest should win. + + Note that these tests use the idle timer (and don't close the syncs), it + is unlikely that a *single* sync would last this long, but is close enough + to continually syncing with that current state. + """ + user_id = f"@test:{self.hs.config.server.server_name}" + + # By default, we call /sync against the main process. + worker_presence_handler = self.presence_handler + if test_with_workers: + # Create a worker and use it to handle /sync traffic instead. + # This is used to test that presence changes get replicated from workers + # to the main process correctly. + worker_to_sync_against = self.make_worker_hs( + "synapse.app.generic_worker", {"worker_name": "synchrotron"} + ) + worker_presence_handler = worker_to_sync_against.get_presence_handler() + + # 1. Sync with the first device. + self.get_success( + worker_presence_handler.user_syncing( + user_id, + "dev-1", + affect_presence=dev_1_state != PresenceState.OFFLINE, + presence_state=dev_1_state, + ), + by=0.01, + ) + + # 2. Wait half the idle timer. + self.reactor.advance(IDLE_TIMER / 1000 / 2) + self.reactor.pump([0.1]) + + # 3. Sync with the second device. + self.get_success( + worker_presence_handler.user_syncing( + user_id, + "dev-2", + affect_presence=dev_2_state != PresenceState.OFFLINE, + presence_state=dev_2_state, + ), + by=0.01, + ) + + # 4. Assert the expected presence state. + state = self.get_success( + self.presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_1) + if test_with_workers: + state = self.get_success( + worker_presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_1) + + # When testing with workers, make another random sync (with any *different* + # user) to keep the process information from expiring. + # + # This is due to EXTERNAL_PROCESS_EXPIRY being equivalent to IDLE_TIMER. + if test_with_workers: + with self.get_success( + worker_presence_handler.user_syncing( + f"@other-user:{self.hs.config.server.server_name}", + "dev-3", + affect_presence=True, + presence_state=PresenceState.ONLINE, + ), + by=0.01, + ): + pass + + # 5. Advance such that the first device should be discarded (the idle timer), + # then pump so _handle_timeouts function to called. + self.reactor.advance(IDLE_TIMER / 1000 / 2) + self.reactor.pump([0.01]) + + # 6. Assert the expected presence state. + state = self.get_success( + self.presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_2) + if test_with_workers: + state = self.get_success( + worker_presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_2) + + # 7. Advance such that the second device should be discarded (half the idle timer), + # then pump so _handle_timeouts function to called. + self.reactor.advance(IDLE_TIMER / 1000 / 2) + self.reactor.pump([0.1]) + + # 8. The devices are still "syncing" (the sync context managers were never + # closed), so might idle. + state = self.get_success( + self.presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_3) + if test_with_workers: + state = self.get_success( + worker_presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_3) + + @parameterized.expand( + # A list of tuples of 4 strings: + # + # * The presence state of device 1. + # * The presence state of device 2. + # * The expected user presence state after both devices have synced. + # * The expected user presence state after device 1 has stopped syncing. + # * True to use workers, False a monolith. + [ + (*cases, workers) + for workers in (False, True) + for cases in [ + # If both devices have the same state, nothing exciting should happen. + ( + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + ), + ( + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.OFFLINE, + PresenceState.OFFLINE, + PresenceState.OFFLINE, + PresenceState.OFFLINE, + ), + # If the second device has a "lower" state it should fallback to it. + ( + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + PresenceState.ONLINE, + PresenceState.UNAVAILABLE, + ), + ( + PresenceState.ONLINE, + PresenceState.OFFLINE, + PresenceState.ONLINE, + PresenceState.OFFLINE, + ), + ( + PresenceState.UNAVAILABLE, + PresenceState.OFFLINE, + PresenceState.UNAVAILABLE, + PresenceState.OFFLINE, + ), + # If the second device has a "higher" state it should override. + ( + PresenceState.UNAVAILABLE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + ), + ( + PresenceState.OFFLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + PresenceState.ONLINE, + ), + ( + PresenceState.OFFLINE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + PresenceState.UNAVAILABLE, + ), + ] + ], + name_func=lambda testcase_func, param_num, params: f"{testcase_func.__name__}_{param_num}_{'workers' if params.args[4] else 'monolith'}", + ) + @unittest.override_config({"experimental_features": {"msc3026_enabled": True}}) + def test_set_presence_from_non_syncing_multi_device( + self, + dev_1_state: str, + dev_2_state: str, + expected_state_1: str, + expected_state_2: str, + test_with_workers: bool, + ) -> None: + """ + Test the behaviour of multiple devices syncing at the same time. + + Roughly the user's presence state should be set to the "highest" priority + of all the devices. When a device then goes offline its state should be + discarded and the next highest should win. + + Note that these tests use the idle timer (and don't close the syncs), it + is unlikely that a *single* sync would last this long, but is close enough + to continually syncing with that current state. + """ + user_id = f"@test:{self.hs.config.server.server_name}" + + # By default, we call /sync against the main process. + worker_presence_handler = self.presence_handler + if test_with_workers: + # Create a worker and use it to handle /sync traffic instead. + # This is used to test that presence changes get replicated from workers + # to the main process correctly. + worker_to_sync_against = self.make_worker_hs( + "synapse.app.generic_worker", {"worker_name": "synchrotron"} + ) + worker_presence_handler = worker_to_sync_against.get_presence_handler() + + # 1. Sync with the first device. + sync_1 = self.get_success( + worker_presence_handler.user_syncing( + user_id, + "dev-1", + affect_presence=dev_1_state != PresenceState.OFFLINE, + presence_state=dev_1_state, + ), + by=0.1, + ) + + # 2. Sync with the second device. + sync_2 = self.get_success( + worker_presence_handler.user_syncing( + user_id, + "dev-2", + affect_presence=dev_2_state != PresenceState.OFFLINE, + presence_state=dev_2_state, + ), + by=0.1, + ) + + # 3. Assert the expected presence state. + state = self.get_success( + self.presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_1) + if test_with_workers: + state = self.get_success( + worker_presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_1) + + # 4. Disconnect the first device. + with sync_1: + pass + + # 5. Advance such that the first device should be discarded (the sync timeout), + # then pump so _handle_timeouts function to called. + self.reactor.advance(SYNC_ONLINE_TIMEOUT / 1000) + self.reactor.pump([5]) + + # 6. Assert the expected presence state. + state = self.get_success( + self.presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_2) + if test_with_workers: + state = self.get_success( + worker_presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, expected_state_2) + + # 7. Disconnect the second device. + with sync_2: + pass + + # 8. Advance such that the second device should be discarded (the sync timeout), + # then pump so _handle_timeouts function to called. + self.reactor.advance(SYNC_ONLINE_TIMEOUT / 1000) + self.reactor.pump([5]) + + # 9. There are no more devices, should be offline. + state = self.get_success( + self.presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, PresenceState.OFFLINE) + if test_with_workers: + state = self.get_success( + worker_presence_handler.get_state(UserID.from_string(user_id)) + ) + self.assertEqual(state.state, PresenceState.OFFLINE) + def test_set_presence_from_syncing_keeps_status(self) -> None: """Test that presence set by syncing retains status message""" status_msg = "I'm here!" |