class PusherPool:
"""
The pusher pool. This is responsible for dispatching notifications of new events to
the http and email pushers.
It provides three methods which are designed to be called by the rest of the
application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these
delegates to each of the relevant pushers.
Note that it is expected that each pusher will have its own 'processing' loop which
will send out the notifications in the background, rather than blocking until the
notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and
Pusher.on_new_receipts are not expected to return deferreds.
"""
def __init__(self, _hs):
self.hs = _hs
self.pusher_factory = PusherFactory(_hs)
self._should_start_pushers = _hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.pushers = {}
def start(self):
"""Starts the pushers off in a background process.
"""
if not self._should_start_pushers:
logger.info("Not starting pushers because they are disabled in the config")
return
run_as_background_process("start_pushers", self._start_pushers)
@defer.inlineCallbacks
def add_pusher(self, user_id, access_token, kind, app_id,
app_display_name, device_display_name, pushkey, lang, data,
profile_tag=""):
time_now_msec = self.clock.time_msec()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"ts": time_now_msec,
"lang": lang,
"data": data,
"last_stream_ordering": None,
"last_success": None,
"failing_since": None
})
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering in event_push_actions, so it will process
# pushes from this point onwards.
last_stream_ordering = (
yield self.store.get_latest_push_action_stream_ordering()
)
yield self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
yield self.start_pusher_by_id(app_id, pushkey, user_id)
@defer.inlineCallbacks
def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey,
not_user_id):
to_remove = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey
)
for p in to_remove:
if p['user_name'] != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id, pushkey, p['user_name']
)
yield self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
@defer.inlineCallbacks
def remove_pushers_by_access_token(self, user_id, access_tokens):
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id (str): user to remove pushers for
access_tokens (Iterable[int]): access token *ids* to remove pushers
for
"""
tokens = set(access_tokens)
for p in (yield self.store.get_pushers_by_user_id(user_id)):
if p['access_token'] in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p['app_id'], p['pushkey'], p['user_name']
)
yield self.remove_pusher(
p['app_id'], p['pushkey'], p['user_name'],
)
@defer.inlineCallbacks
def on_new_notifications(self, min_stream_id, max_stream_id):
if not self.pushers:
# nothing to do here.
return
try:
users_affected = yield self.store.get_push_action_users_in_range(
min_stream_id, max_stream_id
)
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_notifications(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_notifications")
@defer.inlineCallbacks
def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids):
if not self.pushers:
# nothing to do here.
return
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
updated_receipts = yield self.store.get_all_updated_receipts(
min_stream_id - 1, max_stream_id
)
# This returns a tuple, user_id is at index 3
users_affected = set([r[3] for r in updated_receipts])
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_receipts(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_receipts")
@defer.inlineCallbacks
def start_pusher_by_id(self, app_id, pushkey, user_id):
"""Look up the details for the given pusher, and start it"""
if not self._should_start_pushers:
return
resultlist = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey
)
p = None
for r in resultlist:
if r['user_name'] == user_id:
p = r
if p:
yield self._start_pusher(p)
@defer.inlineCallbacks
def _start_pushers(self):
"""Start all the pushers
Returns:
Deferred
"""
pushers = yield self.store.get_all_pushers()
logger.info("Starting %d pushers", len(pushers))
# Stagger starting up the pushers so we don't completely drown the
# process on start up.
yield concurrently_execute(self._start_pusher, pushers, 10)
logger.info("Started pushers")
@defer.inlineCallbacks
def _start_pusher(self, pusherdict):
"""Start the given pusher
Args:
pusherdict (dict):
Returns:
None
"""
try:
p = self.pusher_factory.create_pusher(pusherdict)
except PusherConfigException as e:
logger.warning(
"Pusher incorrectly configured user=%s, appid=%s, pushkey=%s: %s",
pusherdict.get('user_name'),
pusherdict.get('app_id'),
pusherdict.get('pushkey'),
e,
)
return
except Exception:
logger.exception("Couldn't start a pusher: caught Exception")
return
if not p:
return
appid_pushkey = "%s:%s" % (
pusherdict['app_id'],
pusherdict['pushkey'],
)
byuser = self.pushers.setdefault(pusherdict['user_name'], {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
# Check if there *may* be push to process. We do this as this check is a
# lot cheaper to do than actually fetching the exact rows we need to
# push.
user_id = pusherdict["user_name"]
last_stream_ordering = pusherdict["last_stream_ordering"]
if last_stream_ordering:
have_notifs = yield self.store.get_if_maybe_push_in_range_for_user(
user_id, last_stream_ordering,
)
else:
# We always want to default to starting up the pusher rather than
# risk missing push.
have_notifs = True
p.on_started(have_notifs)
@defer.inlineCallbacks
def remove_pusher(self, app_id, pushkey, user_id):
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
byuser[appid_pushkey].on_stop()
del byuser[appid_pushkey]
yield self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id
)
class PusherPool:
"""
The pusher pool. This is responsible for dispatching notifications of new events to
the http and email pushers.
It provides three methods which are designed to be called by the rest of the
application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these
delegates to each of the relevant pushers.
Note that it is expected that each pusher will have its own 'processing' loop which
will send out the notifications in the background, rather than blocking until the
notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and
Pusher.on_new_receipts are not expected to return awaitables.
"""
def __init__(self, hs: "HomeServer"):
self.hs = hs
self.pusher_factory = PusherFactory(hs)
self._should_start_pushers = hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self._account_validity = hs.config.account_validity
# We shard the handling of push notifications by user ID.
self._pusher_shard_config = hs.config.push.pusher_shard_config
self._instance_name = hs.get_instance_name()
# Record the last stream ID that we were poked about so we can get
# changes since then. We set this to the current max stream ID on
# startup as every individual pusher will have checked for changes on
# startup.
self._last_room_stream_id_seen = self.store.get_room_max_stream_ordering(
)
# map from user id to app_id:pushkey to pusher
self.pushers = {
} # type: Dict[str, Dict[str, Union[HttpPusher, EmailPusher]]]
def start(self):
"""Starts the pushers off in a background process.
"""
if not self._should_start_pushers:
logger.info(
"Not starting pushers because they are disabled in the config")
return
run_as_background_process("start_pushers", self._start_pushers)
async def add_pusher(
self,
user_id,
access_token,
kind,
app_id,
app_display_name,
device_display_name,
pushkey,
lang,
data,
profile_tag="",
):
"""Creates a new pusher and adds it to the pool
Returns:
EmailPusher|HttpPusher
"""
time_now_msec = self.clock.time_msec()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"ts": time_now_msec,
"lang": lang,
"data": data,
"last_stream_ordering": None,
"last_success": None,
"failing_since": None,
})
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering in event_push_actions, so it will process
# pushes from this point onwards.
last_stream_ordering = await self.store.get_latest_push_action_stream_ordering(
)
await self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
pusher = await self.start_pusher_by_id(app_id, pushkey, user_id)
return pusher
async def remove_pushers_by_app_id_and_pushkey_not_user(
self, app_id, pushkey, not_user_id):
to_remove = await self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
for p in to_remove:
if p["user_name"] != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id,
pushkey,
p["user_name"],
)
await self.remove_pusher(p["app_id"], p["pushkey"],
p["user_name"])
async def remove_pushers_by_access_token(self, user_id, access_tokens):
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id (str): user to remove pushers for
access_tokens (Iterable[int]): access token *ids* to remove pushers
for
"""
if not self._pusher_shard_config.should_handle(self._instance_name,
user_id):
return
tokens = set(access_tokens)
for p in await self.store.get_pushers_by_user_id(user_id):
if p["access_token"] in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p["app_id"],
p["pushkey"],
p["user_name"],
)
await self.remove_pusher(p["app_id"], p["pushkey"],
p["user_name"])
async def on_new_notifications(self, max_token: RoomStreamToken):
if not self.pushers:
# nothing to do here.
return
# We just use the minimum stream ordering and ignore the vector clock
# component. This is safe to do as long as we *always* ignore the vector
# clock components.
max_stream_id = max_token.stream
if max_stream_id < self._last_room_stream_id_seen:
# Nothing to do
return
prev_stream_id = self._last_room_stream_id_seen
self._last_room_stream_id_seen = max_stream_id
try:
users_affected = await self.store.get_push_action_users_in_range(
prev_stream_id, max_stream_id)
for u in users_affected:
# Don't push if the user account has expired
if self._account_validity.enabled:
expired = await self.store.is_account_expired(
u, self.clock.time_msec())
if expired:
continue
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_notifications(max_token)
except Exception:
logger.exception("Exception in pusher on_new_notifications")
async def on_new_receipts(self, min_stream_id, max_stream_id,
affected_room_ids):
if not self.pushers:
# nothing to do here.
return
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
users_affected = await self.store.get_users_sent_receipts_between(
min_stream_id - 1, max_stream_id)
for u in users_affected:
# Don't push if the user account has expired
if self._account_validity.enabled:
expired = await self.store.is_account_expired(
u, self.clock.time_msec())
if expired:
continue
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_receipts(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_receipts")
async def start_pusher_by_id(self, app_id, pushkey, user_id):
"""Look up the details for the given pusher, and start it
Returns:
EmailPusher|HttpPusher|None: The pusher started, if any
"""
if not self._should_start_pushers:
return
if not self._pusher_shard_config.should_handle(self._instance_name,
user_id):
return
resultlist = await self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
pusher_dict = None
for r in resultlist:
if r["user_name"] == user_id:
pusher_dict = r
pusher = None
if pusher_dict:
pusher = await self._start_pusher(pusher_dict)
return pusher
async def _start_pushers(self) -> None:
"""Start all the pushers
"""
pushers = await self.store.get_all_pushers()
# Stagger starting up the pushers so we don't completely drown the
# process on start up.
await concurrently_execute(self._start_pusher, pushers, 10)
logger.info("Started pushers")
async def _start_pusher(self, pusherdict):
"""Start the given pusher
Args:
pusherdict (dict): dict with the values pulled from the db table
Returns:
EmailPusher|HttpPusher
"""
if not self._pusher_shard_config.should_handle(
self._instance_name, pusherdict["user_name"]):
return
try:
p = self.pusher_factory.create_pusher(pusherdict)
except PusherConfigException as e:
logger.warning(
"Pusher incorrectly configured id=%i, user=%s, appid=%s, pushkey=%s: %s",
pusherdict["id"],
pusherdict.get("user_name"),
pusherdict.get("app_id"),
pusherdict.get("pushkey"),
e,
)
return
except Exception:
logger.exception(
"Couldn't start pusher id %i: caught Exception",
pusherdict["id"],
)
return
if not p:
return
appid_pushkey = "%s:%s" % (pusherdict["app_id"], pusherdict["pushkey"])
byuser = self.pushers.setdefault(pusherdict["user_name"], {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
synapse_pushers.labels(type(p).__name__, p.app_id).inc()
# Check if there *may* be push to process. We do this as this check is a
# lot cheaper to do than actually fetching the exact rows we need to
# push.
user_id = pusherdict["user_name"]
last_stream_ordering = pusherdict["last_stream_ordering"]
if last_stream_ordering:
have_notifs = await self.store.get_if_maybe_push_in_range_for_user(
user_id, last_stream_ordering)
else:
# We always want to default to starting up the pusher rather than
# risk missing push.
have_notifs = True
p.on_started(have_notifs)
return p
async def remove_pusher(self, app_id, pushkey, user_id):
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
pusher = byuser.pop(appid_pushkey)
pusher.on_stop()
synapse_pushers.labels(type(pusher).__name__, pusher.app_id).dec()
await self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id)
class PusherPool:
"""
The pusher pool. This is responsible for dispatching notifications of new events to
the http and email pushers.
It provides three methods which are designed to be called by the rest of the
application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these
delegates to each of the relevant pushers.
Note that it is expected that each pusher will have its own 'processing' loop which
will send out the notifications in the background, rather than blocking until the
notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and
Pusher.on_new_receipts are not expected to return awaitables.
"""
def __init__(self, hs: "HomeServer"):
self.hs = hs
self.pusher_factory = PusherFactory(hs)
self.store = self.hs.get_datastores().main
self.clock = self.hs.get_clock()
# We shard the handling of push notifications by user ID.
self._pusher_shard_config = hs.config.worker.pusher_shard_config
self._instance_name = hs.get_instance_name()
self._should_start_pushers = (
self._instance_name in self._pusher_shard_config.instances
)
# We can only delete pushers on master.
self._remove_pusher_client = None
if hs.config.worker.worker_app:
self._remove_pusher_client = ReplicationRemovePusherRestServlet.make_client(
hs
)
# Record the last stream ID that we were poked about so we can get
# changes since then. We set this to the current max stream ID on
# startup as every individual pusher will have checked for changes on
# startup.
self._last_room_stream_id_seen = self.store.get_room_max_stream_ordering()
# map from user id to app_id:pushkey to pusher
self.pushers: Dict[str, Dict[str, Pusher]] = {}
self._account_validity_handler = hs.get_account_validity_handler()
def start(self) -> None:
"""Starts the pushers off in a background process."""
if not self._should_start_pushers:
logger.info("Not starting pushers because they are disabled in the config")
return
run_as_background_process("start_pushers", self._start_pushers)
async def add_pusher(
self,
user_id: str,
access_token: Optional[int],
kind: str,
app_id: str,
app_display_name: str,
device_display_name: str,
pushkey: str,
lang: Optional[str],
data: JsonDict,
profile_tag: str = "",
) -> Optional[Pusher]:
"""Creates a new pusher and adds it to the pool
Returns:
The newly created pusher.
"""
if kind == "email":
email_owner = await self.store.get_user_id_by_threepid(
"email", canonicalise_email(pushkey)
)
if email_owner != user_id:
raise SynapseError(400, "Email not found", Codes.THREEPID_NOT_FOUND)
time_now_msec = self.clock.time_msec()
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering, so it will process pushes from this point onwards.
last_stream_ordering = self.store.get_room_max_stream_ordering()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher(
PusherConfig(
id=None,
user_name=user_id,
access_token=access_token,
profile_tag=profile_tag,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
last_success=None,
failing_since=None,
)
)
await self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
pusher = await self.start_pusher_by_id(app_id, pushkey, user_id)
return pusher
async def remove_pushers_by_app_id_and_pushkey_not_user(
self, app_id: str, pushkey: str, not_user_id: str
) -> None:
to_remove = await self.store.get_pushers_by_app_id_and_pushkey(app_id, pushkey)
for p in to_remove:
if p.user_name != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id,
pushkey,
p.user_name,
)
await self.remove_pusher(p.app_id, p.pushkey, p.user_name)
async def remove_pushers_by_access_token(
self, user_id: str, access_tokens: Iterable[int]
) -> None:
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id: user to remove pushers for
access_tokens: access token *ids* to remove pushers for
"""
tokens = set(access_tokens)
for p in await self.store.get_pushers_by_user_id(user_id):
if p.access_token in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p.app_id,
p.pushkey,
p.user_name,
)
await self.remove_pusher(p.app_id, p.pushkey, p.user_name)
def on_new_notifications(self, max_token: RoomStreamToken) -> None:
if not self.pushers:
# nothing to do here.
return
# We just use the minimum stream ordering and ignore the vector clock
# component. This is safe to do as long as we *always* ignore the vector
# clock components.
max_stream_id = max_token.stream
if max_stream_id < self._last_room_stream_id_seen:
# Nothing to do
return
# We only start a new background process if necessary rather than
# optimistically (to cut down on overhead).
self._on_new_notifications(max_token)
@wrap_as_background_process("on_new_notifications")
async def _on_new_notifications(self, max_token: RoomStreamToken) -> None:
# We just use the minimum stream ordering and ignore the vector clock
# component. This is safe to do as long as we *always* ignore the vector
# clock components.
max_stream_id = max_token.stream
prev_stream_id = self._last_room_stream_id_seen
self._last_room_stream_id_seen = max_stream_id
try:
users_affected = await self.store.get_push_action_users_in_range(
prev_stream_id, max_stream_id
)
for u in users_affected:
# Don't push if the user account has expired
expired = await self._account_validity_handler.is_user_expired(u)
if expired:
continue
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_notifications(max_token)
except Exception:
logger.exception("Exception in pusher on_new_notifications")
async def on_new_receipts(
self, min_stream_id: int, max_stream_id: int, affected_room_ids: Iterable[str]
) -> None:
if not self.pushers:
# nothing to do here.
return
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
users_affected = await self.store.get_users_sent_receipts_between(
min_stream_id - 1, max_stream_id
)
for u in users_affected:
# Don't push if the user account has expired
expired = await self._account_validity_handler.is_user_expired(u)
if expired:
continue
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_receipts(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_receipts")
async def start_pusher_by_id(
self, app_id: str, pushkey: str, user_id: str
) -> Optional[Pusher]:
"""Look up the details for the given pusher, and start it
Returns:
The pusher started, if any
"""
if not self._should_start_pushers:
return None
if not self._pusher_shard_config.should_handle(self._instance_name, user_id):
return None
resultlist = await self.store.get_pushers_by_app_id_and_pushkey(app_id, pushkey)
pusher_config = None
for r in resultlist:
if r.user_name == user_id:
pusher_config = r
pusher = None
if pusher_config:
pusher = await self._start_pusher(pusher_config)
return pusher
async def _start_pushers(self) -> None:
"""Start all the pushers"""
pushers = await self.store.get_all_pushers()
# Stagger starting up the pushers so we don't completely drown the
# process on start up.
await concurrently_execute(self._start_pusher, pushers, 10)
logger.info("Started pushers")
async def _start_pusher(self, pusher_config: PusherConfig) -> Optional[Pusher]:
"""Start the given pusher
Args:
pusher_config: The pusher configuration with the values pulled from the db table
Returns:
The newly created pusher or None.
"""
if not self._pusher_shard_config.should_handle(
self._instance_name, pusher_config.user_name
):
return None
try:
p = self.pusher_factory.create_pusher(pusher_config)
except PusherConfigException as e:
logger.warning(
"Pusher incorrectly configured id=%i, user=%s, appid=%s, pushkey=%s: %s",
pusher_config.id,
pusher_config.user_name,
pusher_config.app_id,
pusher_config.pushkey,
e,
)
return None
except Exception:
logger.exception(
"Couldn't start pusher id %i: caught Exception",
pusher_config.id,
)
return None
if not p:
return None
appid_pushkey = "%s:%s" % (pusher_config.app_id, pusher_config.pushkey)
byuser = self.pushers.setdefault(pusher_config.user_name, {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
synapse_pushers.labels(type(p).__name__, p.app_id).inc()
# Check if there *may* be push to process. We do this as this check is a
# lot cheaper to do than actually fetching the exact rows we need to
# push.
user_id = pusher_config.user_name
last_stream_ordering = pusher_config.last_stream_ordering
if last_stream_ordering:
have_notifs = await self.store.get_if_maybe_push_in_range_for_user(
user_id, last_stream_ordering
)
else:
# We always want to default to starting up the pusher rather than
# risk missing push.
have_notifs = True
p.on_started(have_notifs)
return p
async def remove_pusher(self, app_id: str, pushkey: str, user_id: str) -> None:
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
pusher = byuser.pop(appid_pushkey)
pusher.on_stop()
synapse_pushers.labels(type(pusher).__name__, pusher.app_id).dec()
# We can only delete pushers on master.
if self._remove_pusher_client:
await self._remove_pusher_client(
app_id=app_id, pushkey=pushkey, user_id=user_id
)
else:
await self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id
)
class PusherPool:
"""
The pusher pool. This is responsible for dispatching notifications of new events to
the http and email pushers.
It provides three methods which are designed to be called by the rest of the
application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these
delegates to each of the relevant pushers.
Note that it is expected that each pusher will have its own 'processing' loop which
will send out the notifications in the background, rather than blocking until the
notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and
Pusher.on_new_receipts are not expected to return deferreds.
"""
def __init__(self, _hs):
self.hs = _hs
self.pusher_factory = PusherFactory(_hs)
self._should_start_pushers = _hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.pushers = {}
def start(self):
"""Starts the pushers off in a background process.
"""
if not self._should_start_pushers:
logger.info(
"Not starting pushers because they are disabled in the config")
return
run_as_background_process("start_pushers", self._start_pushers)
@defer.inlineCallbacks
def add_pusher(
self,
user_id,
access_token,
kind,
app_id,
app_display_name,
device_display_name,
pushkey,
lang,
data,
profile_tag="",
):
"""Creates a new pusher and adds it to the pool
Returns:
Deferred[EmailPusher|HttpPusher]
"""
time_now_msec = self.clock.time_msec()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"ts": time_now_msec,
"lang": lang,
"data": data,
"last_stream_ordering": None,
"last_success": None,
"failing_since": None,
})
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering in event_push_actions, so it will process
# pushes from this point onwards.
last_stream_ordering = (
yield self.store.get_latest_push_action_stream_ordering())
yield self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
pusher = yield self.start_pusher_by_id(app_id, pushkey, user_id)
return pusher
@defer.inlineCallbacks
def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey,
not_user_id):
to_remove = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
for p in to_remove:
if p["user_name"] != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id,
pushkey,
p["user_name"],
)
yield self.remove_pusher(p["app_id"], p["pushkey"],
p["user_name"])
@defer.inlineCallbacks
def remove_pushers_by_access_token(self, user_id, access_tokens):
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id (str): user to remove pushers for
access_tokens (Iterable[int]): access token *ids* to remove pushers
for
"""
tokens = set(access_tokens)
for p in (yield self.store.get_pushers_by_user_id(user_id)):
if p["access_token"] in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p["app_id"],
p["pushkey"],
p["user_name"],
)
yield self.remove_pusher(p["app_id"], p["pushkey"],
p["user_name"])
@defer.inlineCallbacks
def on_new_notifications(self, min_stream_id, max_stream_id):
if not self.pushers:
# nothing to do here.
return
try:
users_affected = yield self.store.get_push_action_users_in_range(
min_stream_id, max_stream_id)
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_notifications(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_notifications")
@defer.inlineCallbacks
def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids):
if not self.pushers:
# nothing to do here.
return
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
updated_receipts = yield self.store.get_all_updated_receipts(
min_stream_id - 1, max_stream_id)
# This returns a tuple, user_id is at index 3
users_affected = set([r[3] for r in updated_receipts])
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_receipts(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_receipts")
@defer.inlineCallbacks
def start_pusher_by_id(self, app_id, pushkey, user_id):
"""Look up the details for the given pusher, and start it
Returns:
Deferred[EmailPusher|HttpPusher|None]: The pusher started, if any
"""
if not self._should_start_pushers:
return
resultlist = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
pusher_dict = None
for r in resultlist:
if r["user_name"] == user_id:
pusher_dict = r
pusher = None
if pusher_dict:
pusher = yield self._start_pusher(pusher_dict)
return pusher
@defer.inlineCallbacks
def _start_pushers(self):
"""Start all the pushers
Returns:
Deferred
"""
pushers = yield self.store.get_all_pushers()
logger.info("Starting %d pushers", len(pushers))
# Stagger starting up the pushers so we don't completely drown the
# process on start up.
yield concurrently_execute(self._start_pusher, pushers, 10)
logger.info("Started pushers")
@defer.inlineCallbacks
def _start_pusher(self, pusherdict):
"""Start the given pusher
Args:
pusherdict (dict):
Returns:
Deferred[EmailPusher|HttpPusher]
"""
try:
p = self.pusher_factory.create_pusher(pusherdict)
except PusherConfigException as e:
logger.warning(
"Pusher incorrectly configured user=%s, appid=%s, pushkey=%s: %s",
pusherdict.get("user_name"),
pusherdict.get("app_id"),
pusherdict.get("pushkey"),
e,
)
return
except Exception:
logger.exception("Couldn't start a pusher: caught Exception")
return
if not p:
return
appid_pushkey = "%s:%s" % (pusherdict["app_id"], pusherdict["pushkey"])
byuser = self.pushers.setdefault(pusherdict["user_name"], {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
# Check if there *may* be push to process. We do this as this check is a
# lot cheaper to do than actually fetching the exact rows we need to
# push.
user_id = pusherdict["user_name"]
last_stream_ordering = pusherdict["last_stream_ordering"]
if last_stream_ordering:
have_notifs = yield self.store.get_if_maybe_push_in_range_for_user(
user_id, last_stream_ordering)
else:
# We always want to default to starting up the pusher rather than
# risk missing push.
have_notifs = True
p.on_started(have_notifs)
return p
@defer.inlineCallbacks
def remove_pusher(self, app_id, pushkey, user_id):
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
byuser[appid_pushkey].on_stop()
del byuser[appid_pushkey]
yield self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id)
class PusherPool:
def __init__(self, _hs):
self.hs = _hs
self.pusher_factory = PusherFactory(_hs)
self.start_pushers = _hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.pushers = {}
@defer.inlineCallbacks
def start(self):
pushers = yield self.store.get_all_pushers()
self._start_pushers(pushers)
@defer.inlineCallbacks
def add_pusher(self, user_id, access_token, kind, app_id,
app_display_name, device_display_name, pushkey, lang, data,
profile_tag=""):
time_now_msec = self.clock.time_msec()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"ts": time_now_msec,
"lang": lang,
"data": data,
"last_stream_ordering": None,
"last_success": None,
"failing_since": None
})
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering in event_push_actions, so it will process
# pushes from this point onwards.
last_stream_ordering = (
yield self.store.get_latest_push_action_stream_ordering()
)
yield self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
yield self._refresh_pusher(app_id, pushkey, user_id)
@defer.inlineCallbacks
def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey,
not_user_id):
to_remove = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey
)
for p in to_remove:
if p['user_name'] != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id, pushkey, p['user_name']
)
yield self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
@defer.inlineCallbacks
def remove_pushers_by_access_token(self, user_id, access_tokens):
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id (str): user to remove pushers for
access_tokens (Iterable[int]): access token *ids* to remove pushers
for
"""
tokens = set(access_tokens)
for p in (yield self.store.get_pushers_by_user_id(user_id)):
if p['access_token'] in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p['app_id'], p['pushkey'], p['user_name']
)
yield self.remove_pusher(
p['app_id'], p['pushkey'], p['user_name'],
)
@defer.inlineCallbacks
def on_new_notifications(self, min_stream_id, max_stream_id):
yield run_on_reactor()
try:
users_affected = yield self.store.get_push_action_users_in_range(
min_stream_id, max_stream_id
)
deferreds = []
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
deferreds.append(
run_in_background(
p.on_new_notifications,
min_stream_id, max_stream_id,
)
)
yield make_deferred_yieldable(
defer.gatherResults(deferreds, consumeErrors=True),
)
except Exception:
logger.exception("Exception in pusher on_new_notifications")
@defer.inlineCallbacks
def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids):
yield run_on_reactor()
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
updated_receipts = yield self.store.get_all_updated_receipts(
min_stream_id - 1, max_stream_id
)
# This returns a tuple, user_id is at index 3
users_affected = set([r[3] for r in updated_receipts])
deferreds = []
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
deferreds.append(
run_in_background(
p.on_new_receipts,
min_stream_id, max_stream_id,
)
)
yield make_deferred_yieldable(
defer.gatherResults(deferreds, consumeErrors=True),
)
except Exception:
logger.exception("Exception in pusher on_new_receipts")
@defer.inlineCallbacks
def _refresh_pusher(self, app_id, pushkey, user_id):
resultlist = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey
)
p = None
for r in resultlist:
if r['user_name'] == user_id:
p = r
if p:
self._start_pushers([p])
def _start_pushers(self, pushers):
if not self.start_pushers:
logger.info("Not starting pushers because they are disabled in the config")
return
logger.info("Starting %d pushers", len(pushers))
for pusherdict in pushers:
try:
p = self.pusher_factory.create_pusher(pusherdict)
except Exception:
logger.exception("Couldn't start a pusher: caught Exception")
continue
if p:
appid_pushkey = "%s:%s" % (
pusherdict['app_id'],
pusherdict['pushkey'],
)
byuser = self.pushers.setdefault(pusherdict['user_name'], {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
run_in_background(p.on_started)
logger.info("Started pushers")
@defer.inlineCallbacks
def remove_pusher(self, app_id, pushkey, user_id):
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
byuser[appid_pushkey].on_stop()
del byuser[appid_pushkey]
yield self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id
)
class PusherPool:
def __init__(self, _hs):
self.hs = _hs
self.pusher_factory = PusherFactory(_hs)
self.start_pushers = _hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.pushers = {}
@defer.inlineCallbacks
def start(self):
pushers = yield self.store.get_all_pushers()
self._start_pushers(pushers)
@defer.inlineCallbacks
def add_pusher(self,
user_id,
access_token,
kind,
app_id,
app_display_name,
device_display_name,
pushkey,
lang,
data,
profile_tag=""):
time_now_msec = self.clock.time_msec()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"ts": time_now_msec,
"lang": lang,
"data": data,
"last_stream_ordering": None,
"last_success": None,
"failing_since": None
})
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering in event_push_actions, so it will process
# pushes from this point onwards.
last_stream_ordering = (
yield self.store.get_latest_push_action_stream_ordering())
yield self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
yield self._refresh_pusher(app_id, pushkey, user_id)
@defer.inlineCallbacks
def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey,
not_user_id):
to_remove = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
for p in to_remove:
if p['user_name'] != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id, pushkey, p['user_name'])
yield self.remove_pusher(p['app_id'], p['pushkey'],
p['user_name'])
@defer.inlineCallbacks
def remove_pushers_by_access_token(self, user_id, access_tokens):
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id (str): user to remove pushers for
access_tokens (Iterable[int]): access token *ids* to remove pushers
for
"""
tokens = set(access_tokens)
for p in (yield self.store.get_pushers_by_user_id(user_id)):
if p['access_token'] in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p['app_id'], p['pushkey'], p['user_name'])
yield self.remove_pusher(
p['app_id'],
p['pushkey'],
p['user_name'],
)
def on_new_notifications(self, min_stream_id, max_stream_id):
run_as_background_process(
"on_new_notifications",
self._on_new_notifications,
min_stream_id,
max_stream_id,
)
@defer.inlineCallbacks
def _on_new_notifications(self, min_stream_id, max_stream_id):
try:
users_affected = yield self.store.get_push_action_users_in_range(
min_stream_id, max_stream_id)
deferreds = []
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
deferreds.append(
run_in_background(
p.on_new_notifications,
min_stream_id,
max_stream_id,
))
yield make_deferred_yieldable(
defer.gatherResults(deferreds, consumeErrors=True), )
except Exception:
logger.exception("Exception in pusher on_new_notifications")
def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids):
run_as_background_process(
"on_new_receipts",
self._on_new_receipts,
min_stream_id,
max_stream_id,
affected_room_ids,
)
@defer.inlineCallbacks
def _on_new_receipts(self, min_stream_id, max_stream_id,
affected_room_ids):
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
updated_receipts = yield self.store.get_all_updated_receipts(
min_stream_id - 1, max_stream_id)
# This returns a tuple, user_id is at index 3
users_affected = set([r[3] for r in updated_receipts])
deferreds = []
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
deferreds.append(
run_in_background(
p.on_new_receipts,
min_stream_id,
max_stream_id,
))
yield make_deferred_yieldable(
defer.gatherResults(deferreds, consumeErrors=True), )
except Exception:
logger.exception("Exception in pusher on_new_receipts")
@defer.inlineCallbacks
def _refresh_pusher(self, app_id, pushkey, user_id):
resultlist = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
p = None
for r in resultlist:
if r['user_name'] == user_id:
p = r
if p:
self._start_pushers([p])
def _start_pushers(self, pushers):
if not self.start_pushers:
logger.info(
"Not starting pushers because they are disabled in the config")
return
logger.info("Starting %d pushers", len(pushers))
for pusherdict in pushers:
try:
p = self.pusher_factory.create_pusher(pusherdict)
except Exception:
logger.exception("Couldn't start a pusher: caught Exception")
continue
if p:
appid_pushkey = "%s:%s" % (
pusherdict['app_id'],
pusherdict['pushkey'],
)
byuser = self.pushers.setdefault(pusherdict['user_name'], {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
run_in_background(p.on_started)
logger.info("Started pushers")
@defer.inlineCallbacks
def remove_pusher(self, app_id, pushkey, user_id):
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
byuser[appid_pushkey].on_stop()
del byuser[appid_pushkey]
yield self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id)
class PusherPool:
"""
The pusher pool. This is responsible for dispatching notifications of new events to
the http and email pushers.
It provides three methods which are designed to be called by the rest of the
application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these
delegates to each of the relevant pushers.
Note that it is expected that each pusher will have its own 'processing' loop which
will send out the notifications in the background, rather than blocking until the
notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and
Pusher.on_new_receipts are not expected to return deferreds.
"""
def __init__(self, _hs):
self.hs = _hs
self.pusher_factory = PusherFactory(_hs)
self._should_start_pushers = _hs.config.start_pushers
self.store = self.hs.get_datastore()
self.clock = self.hs.get_clock()
self.pushers = {}
def start(self):
"""Starts the pushers off in a background process.
"""
if not self._should_start_pushers:
logger.info(
"Not starting pushers because they are disabled in the config")
return
run_as_background_process("start_pushers", self._start_pushers)
@defer.inlineCallbacks
def add_pusher(self,
user_id,
access_token,
kind,
app_id,
app_display_name,
device_display_name,
pushkey,
lang,
data,
profile_tag=""):
time_now_msec = self.clock.time_msec()
# we try to create the pusher just to validate the config: it
# will then get pulled out of the database,
# recreated, added and started: this means we have only one
# code path adding pushers.
self.pusher_factory.create_pusher({
"id": None,
"user_name": user_id,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"ts": time_now_msec,
"lang": lang,
"data": data,
"last_stream_ordering": None,
"last_success": None,
"failing_since": None
})
# create the pusher setting last_stream_ordering to the current maximum
# stream ordering in event_push_actions, so it will process
# pushes from this point onwards.
last_stream_ordering = (
yield self.store.get_latest_push_action_stream_ordering())
yield self.store.add_pusher(
user_id=user_id,
access_token=access_token,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=time_now_msec,
lang=lang,
data=data,
last_stream_ordering=last_stream_ordering,
profile_tag=profile_tag,
)
yield self.start_pusher_by_id(app_id, pushkey, user_id)
@defer.inlineCallbacks
def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey,
not_user_id):
to_remove = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
for p in to_remove:
if p['user_name'] != not_user_id:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
app_id, pushkey, p['user_name'])
yield self.remove_pusher(p['app_id'], p['pushkey'],
p['user_name'])
@defer.inlineCallbacks
def remove_pushers_by_access_token(self, user_id, access_tokens):
"""Remove the pushers for a given user corresponding to a set of
access_tokens.
Args:
user_id (str): user to remove pushers for
access_tokens (Iterable[int]): access token *ids* to remove pushers
for
"""
tokens = set(access_tokens)
for p in (yield self.store.get_pushers_by_user_id(user_id)):
if p['access_token'] in tokens:
logger.info(
"Removing pusher for app id %s, pushkey %s, user %s",
p['app_id'], p['pushkey'], p['user_name'])
yield self.remove_pusher(
p['app_id'],
p['pushkey'],
p['user_name'],
)
@defer.inlineCallbacks
def on_new_notifications(self, min_stream_id, max_stream_id):
try:
users_affected = yield self.store.get_push_action_users_in_range(
min_stream_id, max_stream_id)
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_notifications(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_notifications")
@defer.inlineCallbacks
def on_new_receipts(self, min_stream_id, max_stream_id, affected_room_ids):
try:
# Need to subtract 1 from the minimum because the lower bound here
# is not inclusive
updated_receipts = yield self.store.get_all_updated_receipts(
min_stream_id - 1, max_stream_id)
# This returns a tuple, user_id is at index 3
users_affected = set([r[3] for r in updated_receipts])
for u in users_affected:
if u in self.pushers:
for p in self.pushers[u].values():
p.on_new_receipts(min_stream_id, max_stream_id)
except Exception:
logger.exception("Exception in pusher on_new_receipts")
@defer.inlineCallbacks
def start_pusher_by_id(self, app_id, pushkey, user_id):
"""Look up the details for the given pusher, and start it"""
if not self._should_start_pushers:
return
resultlist = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id, pushkey)
p = None
for r in resultlist:
if r['user_name'] == user_id:
p = r
if p:
self._start_pusher(p)
@defer.inlineCallbacks
def _start_pushers(self):
"""Start all the pushers
Returns:
Deferred
"""
pushers = yield self.store.get_all_pushers()
logger.info("Starting %d pushers", len(pushers))
for pusherdict in pushers:
self._start_pusher(pusherdict)
logger.info("Started pushers")
def _start_pusher(self, pusherdict):
"""Start the given pusher
Args:
pusherdict (dict):
Returns:
None
"""
try:
p = self.pusher_factory.create_pusher(pusherdict)
except Exception:
logger.exception("Couldn't start a pusher: caught Exception")
return
if not p:
return
appid_pushkey = "%s:%s" % (
pusherdict['app_id'],
pusherdict['pushkey'],
)
byuser = self.pushers.setdefault(pusherdict['user_name'], {})
if appid_pushkey in byuser:
byuser[appid_pushkey].on_stop()
byuser[appid_pushkey] = p
p.on_started()
@defer.inlineCallbacks
def remove_pusher(self, app_id, pushkey, user_id):
appid_pushkey = "%s:%s" % (app_id, pushkey)
byuser = self.pushers.get(user_id, {})
if appid_pushkey in byuser:
logger.info("Stopping pusher %s / %s", user_id, appid_pushkey)
byuser[appid_pushkey].on_stop()
del byuser[appid_pushkey]
yield self.store.delete_pusher_by_app_id_pushkey_user_id(
app_id, pushkey, user_id)
