#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2017 Vector Creations 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.
import logging
import sys
from twisted.internet import defer, reactor
from twisted.web.resource import NoResource
import synapse
from synapse import events
from synapse.app import _base
from synapse.config._base import ConfigError
from synapse.config.homeserver import HomeServerConfig
from synapse.config.logger import setup_logging
from synapse.crypto import context_factory
from synapse.http.server import JsonResource
from synapse.http.site import SynapseSite
from synapse.metrics import RegistryProxy
from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
from synapse.replication.slave.storage.client_ips import SlavedClientIpStore
from synapse.replication.slave.storage.events import SlavedEventStore
from synapse.replication.slave.storage.registration import SlavedRegistrationStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.rest.client.v2_alpha import user_directory
from synapse.server import HomeServer
from synapse.storage.engines import create_engine
from synapse.storage.user_directory import UserDirectoryStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, run_in_background
from synapse.util.manhole import manhole
from synapse.util.versionstring import get_version_string
logger = logging.getLogger("synapse.app.user_dir")
class UserDirectorySlaveStore(
SlavedEventStore,
SlavedApplicationServiceStore,
SlavedRegistrationStore,
SlavedClientIpStore,
UserDirectoryStore,
BaseSlavedStore,
):
def __init__(self, db_conn, hs):
super(UserDirectorySlaveStore, self).__init__(db_conn, hs)
events_max = self._stream_id_gen.get_current_token()
curr_state_delta_prefill, min_curr_state_delta_id = self._get_cache_dict(
db_conn, "current_state_delta_stream",
entity_column="room_id",
stream_column="stream_id",
max_value=events_max, # As we share the stream id with events token
limit=1000,
)
self._curr_state_delta_stream_cache = StreamChangeCache(
"_curr_state_delta_stream_cache", min_curr_state_delta_id,
prefilled_cache=curr_state_delta_prefill,
)
self._current_state_delta_pos = events_max
def stream_positions(self):
result = super(UserDirectorySlaveStore, self).stream_positions()
result["current_state_deltas"] = self._current_state_delta_pos
return result
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "current_state_deltas":
self._current_state_delta_pos = token
for row in rows:
self._curr_state_delta_stream_cache.entity_has_changed(
row.room_id, token
)
return super(UserDirectorySlaveStore, self).process_replication_rows(
stream_name, token, rows
)
class UserDirectoryServer(HomeServer):
def setup(self):
logger.info("Setting up.")
self.datastore = UserDirectorySlaveStore(self.get_db_conn(), self)
logger.info("Finished setting up.")
def _listen_http(self, listener_config):
port = listener_config["port"]
bind_addresses = listener_config["bind_addresses"]
site_tag = listener_config.get("tag", port)
resources = {}
for res in listener_config["resources"]:
for name in res["names"]:
if name == "metrics":
resources[METRICS_PREFIX] = MetricsResource(RegistryProxy)
elif name == "client":
resource = JsonResource(self, canonical_json=False)
user_directory.register_servlets(self, resource)
resources.update({
"/_matrix/client/r0": resource,
"/_matrix/client/unstable": resource,
"/_matrix/client/v2_alpha": resource,
"/_matrix/client/api/v1": resource,
})
root_resource = create_resource_tree(resources, NoResource())
_base.listen_tcp(
bind_addresses,
port,
SynapseSite(
"synapse.access.http.%s" % (site_tag,),
site_tag,
listener_config,
root_resource,
self.version_string,
)
)
logger.info("Synapse user_dir now listening on port %d", port)
def start_listening(self, listeners):
for listener in listeners:
if listener["type"] == "http":
self._listen_http(listener)
elif listener["type"] == "manhole":
_base.listen_tcp(
listener["bind_addresses"],
listener["port"],
manhole(
username="matrix",
password="rabbithole",
globals={"hs": self},
)
)
elif listener["type"] == "metrics":
if not self.get_config().enable_metrics:
logger.warn(("Metrics listener configured, but "
"enable_metrics is not True!"))
else:
_base.listen_metrics(listener["bind_addresses"],
listener["port"])
else:
logger.warn("Unrecognized listener type: %s", listener["type"])
self.get_tcp_replication().start_replication(self)
def build_tcp_replication(self):
return UserDirectoryReplicationHandler(self)
class UserDirectoryReplicationHandler(ReplicationClientHandler):
def __init__(self, hs):
super(UserDirectoryReplicationHandler, self).__init__(hs.get_datastore())
self.user_directory = hs.get_user_directory_handler()
def on_rdata(self, stream_name, token, rows):
super(UserDirectoryReplicationHandler, self).on_rdata(
stream_name, token, rows
)
if stream_name == "current_state_deltas":
run_in_background(self._notify_directory)
@defer.inlineCallbacks
def _notify_directory(self):
try:
yield self.user_directory.notify_new_event()
except Exception:
logger.exception("Error notifiying user directory of state update")
def start(config_options):
try:
config = HomeServerConfig.load_config(
"Synapse user directory", config_options
)
except ConfigError as e:
sys.stderr.write("\n" + e.message + "\n")
sys.exit(1)
assert config.worker_app == "synapse.app.user_dir"
setup_logging(config, use_worker_options=True)
events.USE_FROZEN_DICTS = config.use_frozen_dicts
database_engine = create_engine(config.database_config)
if config.update_user_directory:
sys.stderr.write(
"\nThe update_user_directory must be disabled in the main synapse process"
"\nbefore they can be run in a separate worker."
"\nPlease add ``update_user_directory: false`` to the main config"
"\n"
)
sys.exit(1)
# Force the pushers to start since they will be disabled in the main config
config.update_user_directory = True
tls_server_context_factory = context_factory.ServerContextFactory(config)
ps = UserDirectoryServer(
config.server_name,
db_config=config.database_config,
tls_server_context_factory=tls_server_context_factory,
config=config,
version_string="Synapse/" + get_version_string(synapse),
database_engine=database_engine,
)
ps.setup()
ps.start_listening(config.worker_listeners)
def start():
ps.get_datastore().start_profiling()
ps.get_state_handler().start_caching()
reactor.callWhenRunning(start)
_base.start_worker_reactor("synapse-user-dir", config)
if __name__ == '__main__':
with LoggingContext("main"):
start(sys.argv[1:])