forked-synapse/synapse/push/pusherpool.py

94 lines
3.7 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
def start(self):
self._pushers_added()
def add_pusher(self, user_name, kind, app, 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": app,
"app_display_name": app_display_name,
"device_display_name": device_display_name,
"pushkey": pushkey,
"data": data,
"last_token": None
})
self._add_pusher_to_store(user_name, kind, app, app_display_name, device_display_name, pushkey, data)
@defer.inlineCallbacks
def _add_pusher_to_store(self, user_name, kind, app, app_display_name, device_display_name, pushkey, data):
yield self.store.add_pusher(user_name=user_name,
kind=kind,
app=app,
app_display_name=app_display_name,
device_display_name=device_display_name,
pushkey=pushkey,
data=json.dumps(data))
self._pushers_added()
def _create_pusher(self, pusherdict):
if pusherdict['kind'] == 'http':
return HttpPusher(self.hs,
user_name=pusherdict['user_name'],
app=pusherdict['app'],
app_display_name=pusherdict['app_display_name'],
device_display_name=pusherdict['device_display_name'],
pushkey=pusherdict['pushkey'],
data=pusherdict['data'],
last_token=pusherdict['last_token']
)
else:
raise PusherConfigException("Unknown pusher type '%s' for user %s" %
(pusherdict['kind'], pusherdict['user_name']))
@defer.inlineCallbacks
def _pushers_added(self):
pushers = yield self.store.get_all_pushers_after_id(self.last_pusher_started)
for p in pushers:
p['data'] = json.loads(p['data'])
if (len(pushers)):
self.last_pusher_started = pushers[-1]['id']
self._start_pushers(pushers)
def _start_pushers(self, pushers):
logger.info("Starting %d pushers", (len(pushers)))
for pusherdict in pushers:
p = self._create_pusher(pusherdict)
if p:
self.pushers.append(p)
p.start()