506 lines
18 KiB
Python
Executable File
506 lines
18 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import synapse
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import gc
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import logging
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import os
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import sys
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import synapse.config.logger
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from synapse.config._base import ConfigError
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from synapse.python_dependencies import (
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check_requirements, CONDITIONAL_REQUIREMENTS
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)
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from synapse.rest import ClientRestResource
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from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
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from synapse.storage import are_all_users_on_domain
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from synapse.storage.prepare_database import UpgradeDatabaseException, prepare_database
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from synapse.server import HomeServer
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from twisted.internet import reactor, task, defer
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from twisted.application import service
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from twisted.web.resource import Resource, EncodingResourceWrapper
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from twisted.web.static import File
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from twisted.web.server import GzipEncoderFactory
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from synapse.http.server import RootRedirect
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from synapse.rest.media.v0.content_repository import ContentRepoResource
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from synapse.rest.media.v1.media_repository import MediaRepositoryResource
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from synapse.rest.key.v1.server_key_resource import LocalKey
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from synapse.rest.key.v2 import KeyApiV2Resource
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from synapse.api.urls import (
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FEDERATION_PREFIX, WEB_CLIENT_PREFIX, CONTENT_REPO_PREFIX,
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SERVER_KEY_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_PREFIX, STATIC_PREFIX,
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SERVER_KEY_V2_PREFIX,
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)
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from synapse.config.homeserver import HomeServerConfig
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from synapse.crypto import context_factory
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from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
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from synapse.metrics import register_memory_metrics, get_metrics_for
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from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
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from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
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from synapse.federation.transport.server import TransportLayerServer
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from synapse.util.rlimit import change_resource_limit
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from synapse.util.versionstring import get_version_string
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from synapse.util.httpresourcetree import create_resource_tree
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from synapse.util.manhole import manhole
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from synapse.http.site import SynapseSite
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from synapse import events
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from daemonize import Daemonize
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logger = logging.getLogger("synapse.app.homeserver")
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def gz_wrap(r):
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return EncodingResourceWrapper(r, [GzipEncoderFactory()])
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def build_resource_for_web_client(hs):
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webclient_path = hs.get_config().web_client_location
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if not webclient_path:
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try:
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import syweb
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except ImportError:
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quit_with_error(
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"Could not find a webclient.\n\n"
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"Please either install the matrix-angular-sdk or configure\n"
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"the location of the source to serve via the configuration\n"
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"option `web_client_location`\n\n"
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"To install the `matrix-angular-sdk` via pip, run:\n\n"
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" pip install '%(dep)s'\n"
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"\n"
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"You can also disable hosting of the webclient via the\n"
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"configuration option `web_client`\n"
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% {"dep": CONDITIONAL_REQUIREMENTS["web_client"].keys()[0]}
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)
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syweb_path = os.path.dirname(syweb.__file__)
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webclient_path = os.path.join(syweb_path, "webclient")
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# GZip is disabled here due to
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# https://twistedmatrix.com/trac/ticket/7678
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# (It can stay enabled for the API resources: they call
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# write() with the whole body and then finish() straight
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# after and so do not trigger the bug.
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# GzipFile was removed in commit 184ba09
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# return GzipFile(webclient_path) # TODO configurable?
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return File(webclient_path) # TODO configurable?
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class SynapseHomeServer(HomeServer):
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def _listener_http(self, config, listener_config):
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port = listener_config["port"]
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bind_addresses = listener_config["bind_addresses"]
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tls = listener_config.get("tls", False)
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site_tag = listener_config.get("tag", port)
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if tls and config.no_tls:
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return
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resources = {}
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for res in listener_config["resources"]:
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for name in res["names"]:
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if name == "client":
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client_resource = ClientRestResource(self)
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if res["compress"]:
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client_resource = gz_wrap(client_resource)
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resources.update({
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"/_matrix/client/api/v1": client_resource,
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"/_matrix/client/r0": client_resource,
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"/_matrix/client/unstable": client_resource,
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"/_matrix/client/v2_alpha": client_resource,
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"/_matrix/client/versions": client_resource,
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})
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if name == "federation":
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resources.update({
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FEDERATION_PREFIX: TransportLayerServer(self),
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})
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if name in ["static", "client"]:
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resources.update({
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STATIC_PREFIX: File(
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os.path.join(os.path.dirname(synapse.__file__), "static")
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),
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})
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if name in ["media", "federation", "client"]:
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media_repo = MediaRepositoryResource(self)
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resources.update({
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MEDIA_PREFIX: media_repo,
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LEGACY_MEDIA_PREFIX: media_repo,
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CONTENT_REPO_PREFIX: ContentRepoResource(
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self, self.config.uploads_path
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),
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})
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if name in ["keys", "federation"]:
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resources.update({
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SERVER_KEY_PREFIX: LocalKey(self),
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SERVER_KEY_V2_PREFIX: KeyApiV2Resource(self),
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})
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if name == "webclient":
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resources[WEB_CLIENT_PREFIX] = build_resource_for_web_client(self)
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if name == "metrics" and self.get_config().enable_metrics:
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resources[METRICS_PREFIX] = MetricsResource(self)
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if WEB_CLIENT_PREFIX in resources:
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root_resource = RootRedirect(WEB_CLIENT_PREFIX)
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else:
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root_resource = Resource()
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root_resource = create_resource_tree(resources, root_resource)
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if tls:
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for address in bind_addresses:
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reactor.listenSSL(
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port,
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SynapseSite(
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"synapse.access.https.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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),
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self.tls_server_context_factory,
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interface=address
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)
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else:
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for address in bind_addresses:
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reactor.listenTCP(
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port,
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SynapseSite(
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"synapse.access.http.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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),
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interface=address
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)
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logger.info("Synapse now listening on port %d", port)
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def start_listening(self):
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config = self.get_config()
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for listener in config.listeners:
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if listener["type"] == "http":
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self._listener_http(config, listener)
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elif listener["type"] == "manhole":
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bind_addresses = listener["bind_addresses"]
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for address in bind_addresses:
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reactor.listenTCP(
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listener["port"],
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manhole(
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username="matrix",
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password="rabbithole",
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globals={"hs": self},
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),
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interface=address
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)
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elif listener["type"] == "replication":
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bind_addresses = listener["bind_addresses"]
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for address in bind_addresses:
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factory = ReplicationStreamProtocolFactory(self)
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server_listener = reactor.listenTCP(
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listener["port"], factory, interface=address
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)
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reactor.addSystemEventTrigger(
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"before", "shutdown", server_listener.stopListening,
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)
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else:
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logger.warn("Unrecognized listener type: %s", listener["type"])
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def run_startup_checks(self, db_conn, database_engine):
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all_users_native = are_all_users_on_domain(
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db_conn.cursor(), database_engine, self.hostname
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)
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if not all_users_native:
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quit_with_error(
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"Found users in database not native to %s!\n"
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"You cannot changed a synapse server_name after it's been configured"
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% (self.hostname,)
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)
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try:
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database_engine.check_database(db_conn.cursor())
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except IncorrectDatabaseSetup as e:
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quit_with_error(e.message)
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def get_db_conn(self, run_new_connection=True):
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# Any param beginning with cp_ is a parameter for adbapi, and should
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# not be passed to the database engine.
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db_params = {
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k: v for k, v in self.db_config.get("args", {}).items()
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if not k.startswith("cp_")
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}
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db_conn = self.database_engine.module.connect(**db_params)
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if run_new_connection:
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self.database_engine.on_new_connection(db_conn)
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return db_conn
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def quit_with_error(error_string):
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message_lines = error_string.split("\n")
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line_length = max([len(l) for l in message_lines if len(l) < 80]) + 2
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sys.stderr.write("*" * line_length + '\n')
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for line in message_lines:
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sys.stderr.write(" %s\n" % (line.rstrip(),))
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sys.stderr.write("*" * line_length + '\n')
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sys.exit(1)
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def setup(config_options):
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"""
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Args:
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config_options_options: The options passed to Synapse. Usually
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`sys.argv[1:]`.
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Returns:
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HomeServer
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"""
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try:
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config = HomeServerConfig.load_or_generate_config(
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"Synapse Homeserver",
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config_options,
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)
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except ConfigError as e:
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sys.stderr.write("\n" + e.message + "\n")
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sys.exit(1)
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if not config:
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# If a config isn't returned, and an exception isn't raised, we're just
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# generating config files and shouldn't try to continue.
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sys.exit(0)
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synapse.config.logger.setup_logging(config, use_worker_options=False)
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# check any extra requirements we have now we have a config
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check_requirements(config)
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version_string = "Synapse/" + get_version_string(synapse)
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logger.info("Server hostname: %s", config.server_name)
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logger.info("Server version: %s", version_string)
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events.USE_FROZEN_DICTS = config.use_frozen_dicts
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tls_server_context_factory = context_factory.ServerContextFactory(config)
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database_engine = create_engine(config.database_config)
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config.database_config["args"]["cp_openfun"] = database_engine.on_new_connection
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hs = SynapseHomeServer(
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config.server_name,
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db_config=config.database_config,
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tls_server_context_factory=tls_server_context_factory,
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config=config,
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version_string=version_string,
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database_engine=database_engine,
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)
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logger.info("Preparing database: %s...", config.database_config['name'])
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try:
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db_conn = hs.get_db_conn(run_new_connection=False)
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prepare_database(db_conn, database_engine, config=config)
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database_engine.on_new_connection(db_conn)
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hs.run_startup_checks(db_conn, database_engine)
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db_conn.commit()
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except UpgradeDatabaseException:
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sys.stderr.write(
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"\nFailed to upgrade database.\n"
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"Have you checked for version specific instructions in"
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" UPGRADES.rst?\n"
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)
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sys.exit(1)
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logger.info("Database prepared in %s.", config.database_config['name'])
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hs.setup()
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hs.start_listening()
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def start():
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hs.get_pusherpool().start()
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hs.get_state_handler().start_caching()
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hs.get_datastore().start_profiling()
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hs.get_datastore().start_doing_background_updates()
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hs.get_replication_layer().start_get_pdu_cache()
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register_memory_metrics(hs)
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reactor.callWhenRunning(start)
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return hs
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class SynapseService(service.Service):
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"""A twisted Service class that will start synapse. Used to run synapse
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via twistd and a .tac.
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"""
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def __init__(self, config):
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self.config = config
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def startService(self):
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hs = setup(self.config)
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change_resource_limit(hs.config.soft_file_limit)
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if hs.config.gc_thresholds:
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gc.set_threshold(*hs.config.gc_thresholds)
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def stopService(self):
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return self._port.stopListening()
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def run(hs):
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PROFILE_SYNAPSE = False
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if PROFILE_SYNAPSE:
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def profile(func):
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from cProfile import Profile
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from threading import current_thread
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def profiled(*args, **kargs):
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profile = Profile()
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profile.enable()
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func(*args, **kargs)
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profile.disable()
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ident = current_thread().ident
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profile.dump_stats("/tmp/%s.%s.%i.pstat" % (
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hs.hostname, func.__name__, ident
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))
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return profiled
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from twisted.python.threadpool import ThreadPool
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ThreadPool._worker = profile(ThreadPool._worker)
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reactor.run = profile(reactor.run)
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start_time = hs.get_clock().time()
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stats = {}
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@defer.inlineCallbacks
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def phone_stats_home():
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logger.info("Gathering stats for reporting")
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now = int(hs.get_clock().time())
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uptime = int(now - start_time)
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if uptime < 0:
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uptime = 0
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# If the stats directory is empty then this is the first time we've
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# reported stats.
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first_time = not stats
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stats["homeserver"] = hs.config.server_name
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stats["timestamp"] = now
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stats["uptime_seconds"] = uptime
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stats["total_users"] = yield hs.get_datastore().count_all_users()
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room_count = yield hs.get_datastore().get_room_count()
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stats["total_room_count"] = room_count
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stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
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daily_messages = yield hs.get_datastore().count_daily_messages()
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if daily_messages is not None:
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stats["daily_messages"] = daily_messages
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else:
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stats.pop("daily_messages", None)
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if first_time:
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# Add callbacks to report the synapse stats as metrics whenever
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# prometheus requests them, typically every 30s.
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# As some of the stats are expensive to calculate we only update
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# them when synapse phones home to matrix.org every 24 hours.
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metrics = get_metrics_for("synapse.usage")
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metrics.add_callback("timestamp", lambda: stats["timestamp"])
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metrics.add_callback("uptime_seconds", lambda: stats["uptime_seconds"])
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metrics.add_callback("total_users", lambda: stats["total_users"])
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metrics.add_callback("total_room_count", lambda: stats["total_room_count"])
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metrics.add_callback(
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"daily_active_users", lambda: stats["daily_active_users"]
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)
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metrics.add_callback(
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"daily_messages", lambda: stats.get("daily_messages", 0)
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)
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logger.info("Reporting stats to matrix.org: %s" % (stats,))
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try:
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yield hs.get_simple_http_client().put_json(
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"https://matrix.org/report-usage-stats/push",
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stats
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)
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except Exception as e:
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logger.warn("Error reporting stats: %s", e)
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if hs.config.report_stats:
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phone_home_task = task.LoopingCall(phone_stats_home)
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logger.info("Scheduling stats reporting for 24 hour intervals")
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phone_home_task.start(60 * 60 * 24, now=False)
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def in_thread():
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# Uncomment to enable tracing of log context changes.
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# sys.settrace(logcontext_tracer)
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# make sure that we run the reactor with the sentinel log context,
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# otherwise other PreserveLoggingContext instances will get confused
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# and complain when they see the logcontext arbitrarily swapping
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# between the sentinel and `run` logcontexts.
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with PreserveLoggingContext():
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change_resource_limit(hs.config.soft_file_limit)
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if hs.config.gc_thresholds:
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gc.set_threshold(*hs.config.gc_thresholds)
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reactor.run()
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if hs.config.daemonize:
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if hs.config.print_pidfile:
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print (hs.config.pid_file)
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daemon = Daemonize(
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app="synapse-homeserver",
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pid=hs.config.pid_file,
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action=lambda: in_thread(),
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auto_close_fds=False,
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verbose=True,
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logger=logger,
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)
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daemon.start()
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else:
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in_thread()
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def main():
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with LoggingContext("main"):
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# check base requirements
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check_requirements()
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hs = setup(sys.argv[1:])
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run(hs)
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if __name__ == '__main__':
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main()
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