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Split DeviceHandler into master and worker

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This commit is contained in:
Erik Johnston 2019-03-04 18:24:32 +00:00
parent a84b8d56c2
commit 157e5a8f27
2 changed files with 179 additions and 170 deletions
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342
synapse/handlers/device.py
View file

@ -37,13 +37,185 @@ from ._base import BaseHandler
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
class DeviceHandler(BaseHandler): class DeviceWorkerHandler(BaseHandler):
def __init__(self, hs): def __init__(self, hs):
super(DeviceHandler, self).__init__(hs) super(DeviceWorkerHandler, self).__init__(hs)
self.hs = hs self.hs = hs
self.state = hs.get_state_handler() self.state = hs.get_state_handler()
self._auth_handler = hs.get_auth_handler() self._auth_handler = hs.get_auth_handler()
@defer.inlineCallbacks
def get_devices_by_user(self, user_id):
"""
Retrieve the given user's devices
Args:
user_id (str):
Returns:
defer.Deferred: list[dict[str, X]]: info on each device
"""
device_map = yield self.store.get_devices_by_user(user_id)
ips = yield self.store.get_last_client_ip_by_device(
user_id, device_id=None
)
devices = list(device_map.values())
for device in devices:
_update_device_from_client_ips(device, ips)
defer.returnValue(devices)
@defer.inlineCallbacks
def get_device(self, user_id, device_id):
""" Retrieve the given device
Args:
user_id (str):
device_id (str):
Returns:
defer.Deferred: dict[str, X]: info on the device
Raises:
errors.NotFoundError: if the device was not found
"""
try:
device = yield self.store.get_device(user_id, device_id)
except errors.StoreError:
raise errors.NotFoundError
ips = yield self.store.get_last_client_ip_by_device(
user_id, device_id,
)
_update_device_from_client_ips(device, ips)
defer.returnValue(device)
@measure_func("device.get_user_ids_changed")
@defer.inlineCallbacks
def get_user_ids_changed(self, user_id, from_token):
"""Get list of users that have had the devices updated, or have newly
joined a room, that `user_id` may be interested in.
Args:
user_id (str)
from_token (StreamToken)
"""
now_token = yield self.hs.get_event_sources().get_current_token()
room_ids = yield self.store.get_rooms_for_user(user_id)
# First we check if any devices have changed
changed = yield self.store.get_user_whose_devices_changed(
from_token.device_list_key
)
# Then work out if any users have since joined
rooms_changed = self.store.get_rooms_that_changed(room_ids, from_token.room_key)
member_events = yield self.store.get_membership_changes_for_user(
user_id, from_token.room_key, now_token.room_key,
)
rooms_changed.update(event.room_id for event in member_events)
stream_ordering = RoomStreamToken.parse_stream_token(
from_token.room_key
).stream
possibly_changed = set(changed)
possibly_left = set()
for room_id in rooms_changed:
current_state_ids = yield self.store.get_current_state_ids(room_id)
# The user may have left the room
# TODO: Check if they actually did or if we were just invited.
if room_id not in room_ids:
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_left.add(state_key)
continue
# Fetch the current state at the time.
try:
event_ids = yield self.store.get_forward_extremeties_for_room(
room_id, stream_ordering=stream_ordering
)
except errors.StoreError:
# we have purged the stream_ordering index since the stream
# ordering: treat it the same as a new room
event_ids = []
# special-case for an empty prev state: include all members
# in the changed list
if not event_ids:
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_changed.add(state_key)
continue
current_member_id = current_state_ids.get((EventTypes.Member, user_id))
if not current_member_id:
continue
# mapping from event_id -> state_dict
prev_state_ids = yield self.store.get_state_ids_for_events(event_ids)
# Check if we've joined the room? If so we just blindly add all the users to
# the "possibly changed" users.
for state_dict in itervalues(prev_state_ids):
member_event = state_dict.get((EventTypes.Member, user_id), None)
if not member_event or member_event != current_member_id:
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_changed.add(state_key)
break
# If there has been any change in membership, include them in the
# possibly changed list. We'll check if they are joined below,
# and we're not toooo worried about spuriously adding users.
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
# check if this member has changed since any of the extremities
# at the stream_ordering, and add them to the list if so.
for state_dict in itervalues(prev_state_ids):
prev_event_id = state_dict.get(key, None)
if not prev_event_id or prev_event_id != event_id:
if state_key != user_id:
possibly_changed.add(state_key)
break
if possibly_changed or possibly_left:
users_who_share_room = yield self.store.get_users_who_share_room_with_user(
user_id
)
# Take the intersection of the users whose devices may have changed
# and those that actually still share a room with the user
possibly_joined = possibly_changed & users_who_share_room
possibly_left = (possibly_changed | possibly_left) - users_who_share_room
else:
possibly_joined = []
possibly_left = []
defer.returnValue({
"changed": list(possibly_joined),
"left": list(possibly_left),
})
class DeviceHandler(DeviceWorkerHandler):
def __init__(self, hs):
super(DeviceHandler, self).__init__(hs)
self.federation_sender = hs.get_federation_sender() self.federation_sender = hs.get_federation_sender()
self._edu_updater = DeviceListEduUpdater(hs, self) self._edu_updater = DeviceListEduUpdater(hs, self)
@ -103,52 +275,6 @@ class DeviceHandler(BaseHandler):
raise errors.StoreError(500, "Couldn't generate a device ID.") raise errors.StoreError(500, "Couldn't generate a device ID.")
@defer.inlineCallbacks
def get_devices_by_user(self, user_id):
"""
Retrieve the given user's devices
Args:
user_id (str):
Returns:
defer.Deferred: list[dict[str, X]]: info on each device
"""
device_map = yield self.store.get_devices_by_user(user_id)
ips = yield self.store.get_last_client_ip_by_device(
user_id, device_id=None
)
devices = list(device_map.values())
for device in devices:
_update_device_from_client_ips(device, ips)
defer.returnValue(devices)
@defer.inlineCallbacks
def get_device(self, user_id, device_id):
""" Retrieve the given device
Args:
user_id (str):
device_id (str):
Returns:
defer.Deferred: dict[str, X]: info on the device
Raises:
errors.NotFoundError: if the device was not found
"""
try:
device = yield self.store.get_device(user_id, device_id)
except errors.StoreError:
raise errors.NotFoundError
ips = yield self.store.get_last_client_ip_by_device(
user_id, device_id,
)
_update_device_from_client_ips(device, ips)
defer.returnValue(device)
@defer.inlineCallbacks @defer.inlineCallbacks
def delete_device(self, user_id, device_id): def delete_device(self, user_id, device_id):
""" Delete the given device """ Delete the given device
@ -287,126 +413,6 @@ class DeviceHandler(BaseHandler):
for host in hosts: for host in hosts:
self.federation_sender.send_device_messages(host) self.federation_sender.send_device_messages(host)
@measure_func("device.get_user_ids_changed")
@defer.inlineCallbacks
def get_user_ids_changed(self, user_id, from_token):
"""Get list of users that have had the devices updated, or have newly
joined a room, that `user_id` may be interested in.
Args:
user_id (str)
from_token (StreamToken)
"""
now_token = yield self.hs.get_event_sources().get_current_token()
room_ids = yield self.store.get_rooms_for_user(user_id)
# First we check if any devices have changed
changed = yield self.store.get_user_whose_devices_changed(
from_token.device_list_key
)
# Then work out if any users have since joined
rooms_changed = self.store.get_rooms_that_changed(room_ids, from_token.room_key)
member_events = yield self.store.get_membership_changes_for_user(
user_id, from_token.room_key, now_token.room_key
)
rooms_changed.update(event.room_id for event in member_events)
stream_ordering = RoomStreamToken.parse_stream_token(
from_token.room_key
).stream
possibly_changed = set(changed)
possibly_left = set()
for room_id in rooms_changed:
current_state_ids = yield self.store.get_current_state_ids(room_id)
# The user may have left the room
# TODO: Check if they actually did or if we were just invited.
if room_id not in room_ids:
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_left.add(state_key)
continue
# Fetch the current state at the time.
try:
event_ids = yield self.store.get_forward_extremeties_for_room(
room_id, stream_ordering=stream_ordering
)
except errors.StoreError:
# we have purged the stream_ordering index since the stream
# ordering: treat it the same as a new room
event_ids = []
# special-case for an empty prev state: include all members
# in the changed list
if not event_ids:
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_changed.add(state_key)
continue
current_member_id = current_state_ids.get((EventTypes.Member, user_id))
if not current_member_id:
continue
# mapping from event_id -> state_dict
prev_state_ids = yield self.store.get_state_ids_for_events(event_ids)
# Check if we've joined the room? If so we just blindly add all the users to
# the "possibly changed" users.
for state_dict in itervalues(prev_state_ids):
member_event = state_dict.get((EventTypes.Member, user_id), None)
if not member_event or member_event != current_member_id:
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_changed.add(state_key)
break
# If there has been any change in membership, include them in the
# possibly changed list. We'll check if they are joined below,
# and we're not toooo worried about spuriously adding users.
for key, event_id in iteritems(current_state_ids):
etype, state_key = key
if etype != EventTypes.Member:
continue
# check if this member has changed since any of the extremities
# at the stream_ordering, and add them to the list if so.
for state_dict in itervalues(prev_state_ids):
prev_event_id = state_dict.get(key, None)
if not prev_event_id or prev_event_id != event_id:
if state_key != user_id:
possibly_changed.add(state_key)
break
if possibly_changed or possibly_left:
users_who_share_room = yield self.store.get_users_who_share_room_with_user(
user_id
)
# Take the intersection of the users whose devices may have changed
# and those that actually still share a room with the user
possibly_joined = possibly_changed & users_who_share_room
possibly_left = (possibly_changed | possibly_left) - users_who_share_room
else:
possibly_joined = []
possibly_left = []
defer.returnValue({
"changed": list(possibly_joined),
"left": list(possibly_left),
})
@defer.inlineCallbacks @defer.inlineCallbacks
def on_federation_query_user_devices(self, user_id): def on_federation_query_user_devices(self, user_id):
stream_id, devices = yield self.store.get_devices_with_keys_by_user(user_id) stream_id, devices = yield self.store.get_devices_with_keys_by_user(user_id)

7
synapse/server.py
View file

@ -51,7 +51,7 @@ from synapse.handlers.acme import AcmeHandler
from synapse.handlers.appservice import ApplicationServicesHandler from synapse.handlers.appservice import ApplicationServicesHandler
from synapse.handlers.auth import AuthHandler, MacaroonGenerator from synapse.handlers.auth import AuthHandler, MacaroonGenerator
from synapse.handlers.deactivate_account import DeactivateAccountHandler from synapse.handlers.deactivate_account import DeactivateAccountHandler
from synapse.handlers.device import DeviceHandler from synapse.handlers.device import DeviceHandler, DeviceWorkerHandler
from synapse.handlers.devicemessage import DeviceMessageHandler from synapse.handlers.devicemessage import DeviceMessageHandler
from synapse.handlers.e2e_keys import E2eKeysHandler from synapse.handlers.e2e_keys import E2eKeysHandler
from synapse.handlers.e2e_room_keys import E2eRoomKeysHandler from synapse.handlers.e2e_room_keys import E2eRoomKeysHandler
@ -307,7 +307,10 @@ class HomeServer(object):
return MacaroonGenerator(self) return MacaroonGenerator(self)
def build_device_handler(self): def build_device_handler(self):
return DeviceHandler(self) if self.config.worker_app:
return DeviceWorkerHandler(self)
else:
return DeviceHandler(self)
def build_device_message_handler(self): def build_device_message_handler(self):
return DeviceMessageHandler(self) return DeviceMessageHandler(self)