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Remove code that's now been obsoleted or moved elsewhere

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This commit is contained in:
David Baker 2016-04-07 16:31:38 +01:00
parent 92e3071623
commit d549fdfa22
3 changed files with 9 additions and 454 deletions
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327
synapse/push/__init__.py
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@ -13,333 +13,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from synapse.streams.config import PaginationConfig
from synapse.types import StreamToken
from synapse.util.logcontext import LoggingContext
from synapse.util.metrics import Measure
import synapse.util.async
from .push_rule_evaluator import evaluator_for_user_id
import logging
import random
logger = logging.getLogger(__name__)
_NEXT_ID = 1
def _get_next_id():
global _NEXT_ID
_id = _NEXT_ID
_NEXT_ID += 1
return _id
# Pushers could now be moved to pull out of the event_push_actions table instead
# of listening on the event stream: this would avoid them having to run the
# rules again.
class Pusher(object):
INITIAL_BACKOFF = 1000
MAX_BACKOFF = 60 * 60 * 1000
GIVE_UP_AFTER = 24 * 60 * 60 * 1000
def __init__(self, _hs, user_id, app_id,
app_display_name, device_display_name, pushkey, pushkey_ts,
data, last_token, last_success, failing_since):
self.hs = _hs
self.evStreamHandler = self.hs.get_handlers().event_stream_handler
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.user_id = user_id
self.app_id = app_id
self.app_display_name = app_display_name
self.device_display_name = device_display_name
self.pushkey = pushkey
self.pushkey_ts = pushkey_ts
self.data = data
self.last_token = last_token
self.last_success = last_success # not actually used
self.backoff_delay = Pusher.INITIAL_BACKOFF
self.failing_since = failing_since
self.alive = True
self.badge = None
self.name = "Pusher-%d" % (_get_next_id(),)
# The last value of last_active_time that we saw
self.last_last_active_time = 0
self.has_unread = True
@defer.inlineCallbacks
def get_context_for_event(self, ev):
name_aliases = yield self.store.get_room_name_and_aliases(
ev['room_id']
)
ctx = {'aliases': name_aliases[1]}
if name_aliases[0] is not None:
ctx['name'] = name_aliases[0]
their_member_events_for_room = yield self.store.get_current_state(
room_id=ev['room_id'],
event_type='m.room.member',
state_key=ev['user_id']
)
for mev in their_member_events_for_room:
if mev.content['membership'] == 'join' and 'displayname' in mev.content:
dn = mev.content['displayname']
if dn is not None:
ctx['sender_display_name'] = dn
defer.returnValue(ctx)
@defer.inlineCallbacks
def start(self):
with LoggingContext(self.name):
if not self.last_token:
# First-time setup: get a token to start from (we can't
# just start from no token, ie. 'now'
# because we need the result to be reproduceable in case
# we fail to dispatch the push)
config = PaginationConfig(from_token=None, limit='1')
chunk = yield self.evStreamHandler.get_stream(
self.user_id, config, timeout=0, affect_presence=False
)
self.last_token = chunk['end']
yield self.store.update_pusher_last_token(
self.app_id, self.pushkey, self.user_id, self.last_token
)
logger.info("New pusher %s for user %s starting from token %s",
self.pushkey, self.user_id, self.last_token)
else:
logger.info(
"Old pusher %s for user %s starting",
self.pushkey, self.user_id,
)
wait = 0
while self.alive:
try:
if wait > 0:
yield synapse.util.async.sleep(wait)
with Measure(self.clock, "push"):
yield self.get_and_dispatch()
wait = 0
except:
if wait == 0:
wait = 1
else:
wait = min(wait * 2, 1800)
logger.exception(
"Exception in pusher loop for pushkey %s. Pausing for %ds",
self.pushkey, wait
)
@defer.inlineCallbacks
def get_and_dispatch(self):
from_tok = StreamToken.from_string(self.last_token)
config = PaginationConfig(from_token=from_tok, limit='1')
timeout = (300 + random.randint(-60, 60)) * 1000
chunk = yield self.evStreamHandler.get_stream(
self.user_id, config, timeout=timeout, affect_presence=False,
only_keys=("room", "receipt",),
)
# limiting to 1 may get 1 event plus 1 presence event, so
# pick out the actual event
single_event = None
read_receipt = None
for c in chunk['chunk']:
if 'event_id' in c: # Hmmm...
single_event = c
elif c['type'] == 'm.receipt':
read_receipt = c
have_updated_badge = False
if read_receipt:
for receipt_part in read_receipt['content'].values():
if 'm.read' in receipt_part:
if self.user_id in receipt_part['m.read'].keys():
have_updated_badge = True
if not single_event:
if have_updated_badge:
yield self.update_badge()
self.last_token = chunk['end']
yield self.store.update_pusher_last_token(
self.app_id,
self.pushkey,
self.user_id,
self.last_token
)
return
if not self.alive:
return
processed = False
rule_evaluator = yield \
evaluator_for_user_id(
self.user_id, single_event['room_id'], self.store
)
actions = yield rule_evaluator.actions_for_event(single_event)
tweaks = rule_evaluator.tweaks_for_actions(actions)
if 'notify' in actions:
self.badge = yield self._get_badge_count()
rejected = yield self.dispatch_push(single_event, tweaks, self.badge)
self.has_unread = True
if isinstance(rejected, list) or isinstance(rejected, tuple):
processed = True
for pk in rejected:
if pk != self.pushkey:
# for sanity, we only remove the pushkey if it
# was the one we actually sent...
logger.warn(
("Ignoring rejected pushkey %s because we"
" didn't send it"), pk
)
else:
logger.info(
"Pushkey %s was rejected: removing",
pk
)
yield self.hs.get_pusherpool().remove_pusher(
self.app_id, pk, self.user_id
)
else:
if have_updated_badge:
yield self.update_badge()
processed = True
if not self.alive:
return
if processed:
self.backoff_delay = Pusher.INITIAL_BACKOFF
self.last_token = chunk['end']
yield self.store.update_pusher_last_token_and_success(
self.app_id,
self.pushkey,
self.user_id,
self.last_token,
self.clock.time_msec()
)
if self.failing_since:
self.failing_since = None
yield self.store.update_pusher_failing_since(
self.app_id,
self.pushkey,
self.user_id,
self.failing_since)
else:
if not self.failing_since:
self.failing_since = self.clock.time_msec()
yield self.store.update_pusher_failing_since(
self.app_id,
self.pushkey,
self.user_id,
self.failing_since
)
if (self.failing_since and
self.failing_since <
self.clock.time_msec() - Pusher.GIVE_UP_AFTER):
# we really only give up so that if the URL gets
# fixed, we don't suddenly deliver a load
# of old notifications.
logger.warn("Giving up on a notification to user %s, "
"pushkey %s",
self.user_id, self.pushkey)
self.backoff_delay = Pusher.INITIAL_BACKOFF
self.last_token = chunk['end']
yield self.store.update_pusher_last_token(
self.app_id,
self.pushkey,
self.user_id,
self.last_token
)
self.failing_since = None
yield self.store.update_pusher_failing_since(
self.app_id,
self.pushkey,
self.user_id,
self.failing_since
)
else:
logger.warn("Failed to dispatch push for user %s "
"(failing for %dms)."
"Trying again in %dms",
self.user_id,
self.clock.time_msec() - self.failing_since,
self.backoff_delay)
yield synapse.util.async.sleep(self.backoff_delay / 1000.0)
self.backoff_delay *= 2
if self.backoff_delay > Pusher.MAX_BACKOFF:
self.backoff_delay = Pusher.MAX_BACKOFF
def stop(self):
self.alive = False
def dispatch_push(self, p, tweaks, badge):
"""
Overridden by implementing classes to actually deliver the notification
Args:
p: The event to notify for as a single event from the event stream
Returns: If the notification was delivered, an array containing any
pushkeys that were rejected by the push gateway.
False if the notification could not be delivered (ie.
should be retried).
"""
pass
@defer.inlineCallbacks
def update_badge(self):
new_badge = yield self._get_badge_count()
if self.badge != new_badge:
self.badge = new_badge
yield self.send_badge(self.badge)
def send_badge(self, badge):
"""
Overridden by implementing classes to send an updated badge count
"""
pass
@defer.inlineCallbacks
def _get_badge_count(self):
invites, joins = yield defer.gatherResults([
self.store.get_invited_rooms_for_user(self.user_id),
self.store.get_rooms_for_user(self.user_id),
], consumeErrors=True)
my_receipts_by_room = yield self.store.get_receipts_for_user(
self.user_id,
"m.read",
)
badge = len(invites)
for r in joins:
if r.room_id in my_receipts_by_room:
last_unread_event_id = my_receipts_by_room[r.room_id]
notifs = yield (
self.store.get_unread_event_push_actions_by_room_for_user(
r.room_id, self.user_id, last_unread_event_id
)
)
badge += notifs["notify_count"]
defer.returnValue(badge)
class PusherConfigException(Exception):
def __init__(self, msg):