forked-synapse/synapse/push/pusherpool.py
David Baker 2cb30767fa Honour the 'rejected' return from push gateways
Add a timestamp to push tokens so we know the last time they we
got them from the device. Send it to the push gateways so it can
determine whether its failure is more recent than the token.
Stop and remove pushers that have been rejected.
2015-01-13 19:48:37 +00:00

132 lines
4.6 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from httppusher import HttpPusher
from synapse.push import PusherConfigException
import logging
import json
logger = logging.getLogger(__name__)
class PusherPool:
def __init__(self, _hs):
self.hs = _hs
self.store = self.hs.get_datastore()
self.pushers = {}
self.last_pusher_started = -1
@defer.inlineCallbacks
def start(self):
pushers = yield self.store.get_all_pushers()
for p in pushers:
p['data'] = json.loads(p['data'])
self._start_pushers(pushers)
@defer.inlineCallbacks
def add_pusher(self, user_name, kind, app_id,
app_display_name, device_display_name, pushkey, data):
# 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._create_pusher({
"user_name": user_name,
"kind": kind,
"app_id": app_id,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"pushkey_ts": self.hs.get_clock().time_msec(),
"data": data,
"last_token": None,
"last_success": None,
"failing_since": None
})
yield self._add_pusher_to_store(
user_name, kind, app_id,
app_display_name, device_display_name,
pushkey, data
)
@defer.inlineCallbacks
def _add_pusher_to_store(self, user_name, kind, app_id,
app_display_name, device_display_name,
pushkey, data):
yield self.store.add_pusher(
user_name=user_name,
kind=kind,
app_id=app_id,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
pushkey_ts=self.hs.get_clock().time_msec(),
data=json.dumps(data)
)
self._refresh_pusher((app_id, pushkey))
def _create_pusher(self, pusherdict):
if pusherdict['kind'] == 'http':
return HttpPusher(
self.hs,
user_name=pusherdict['user_name'],
app_id=pusherdict['app_id'],
app_display_name=pusherdict['app_display_name'],
device_display_name=pusherdict['device_display_name'],
pushkey=pusherdict['pushkey'],
pushkey_ts=pusherdict['pushkey_ts'],
data=pusherdict['data'],
last_token=pusherdict['last_token'],
last_success=pusherdict['last_success'],
failing_since=pusherdict['failing_since']
)
else:
raise PusherConfigException(
"Unknown pusher type '%s' for user %s" %
(pusherdict['kind'], pusherdict['user_name'])
)
@defer.inlineCallbacks
def _refresh_pusher(self, app_id_pushkey):
p = yield self.store.get_pushers_by_app_id_and_pushkey(
app_id_pushkey
)
p['data'] = json.loads(p['data'])
self._start_pushers([p])
def _start_pushers(self, pushers):
logger.info("Starting %d pushers", len(pushers))
for pusherdict in pushers:
p = self._create_pusher(pusherdict)
if p:
fullid = "%s:%s" % (pusherdict['app_id'], pusherdict['pushkey'])
if fullid in self.pushers:
self.pushers[fullid].stop()
self.pushers[fullid] = p
p.start()
@defer.inlineCallbacks
def remove_pusher(self, app_id, pushkey):
fullid = "%s:%s" % (app_id, pushkey)
if fullid in self.pushers:
logger.info("Stopping pusher %s", fullid)
self.pushers[fullid].stop()
del self.pushers[fullid]
yield self.store.delete_pusher_by_app_id_pushkey(app_id, pushkey)