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-rw-r--r--synapse/app/federation_sender.py280
1 files changed, 3 insertions, 277 deletions
diff --git a/synapse/app/federation_sender.py b/synapse/app/federation_sender.py
index 04fbb407af..add43147b3 100644
--- a/synapse/app/federation_sender.py
+++ b/synapse/app/federation_sender.py
@@ -13,285 +13,11 @@
 # 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.federation import send_queue
-from synapse.http.site import SynapseSite
-from synapse.logging.context import LoggingContext, run_in_background
-from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
-from synapse.metrics.background_process_metrics import run_as_background_process
-from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
-from synapse.replication.slave.storage.devices import SlavedDeviceStore
-from synapse.replication.slave.storage.events import SlavedEventStore
-from synapse.replication.slave.storage.presence import SlavedPresenceStore
-from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
-from synapse.replication.slave.storage.registration import SlavedRegistrationStore
-from synapse.replication.slave.storage.transactions import SlavedTransactionStore
-from synapse.replication.tcp.client import ReplicationClientHandler
-from synapse.replication.tcp.streams._base import ReceiptsStream
-from synapse.server import HomeServer
-from synapse.storage.engines import create_engine
-from synapse.types import ReadReceipt
-from synapse.util.async_helpers import Linearizer
-from synapse.util.httpresourcetree import create_resource_tree
-from synapse.util.manhole import manhole
-from synapse.util.versionstring import get_version_string
-
-logger = logging.getLogger("synapse.app.federation_sender")
-
-
-class FederationSenderSlaveStore(
-    SlavedDeviceInboxStore,
-    SlavedTransactionStore,
-    SlavedReceiptsStore,
-    SlavedEventStore,
-    SlavedRegistrationStore,
-    SlavedDeviceStore,
-    SlavedPresenceStore,
-):
-    def __init__(self, db_conn, hs):
-        super(FederationSenderSlaveStore, self).__init__(db_conn, hs)
-
-        # We pull out the current federation stream position now so that we
-        # always have a known value for the federation position in memory so
-        # that we don't have to bounce via a deferred once when we start the
-        # replication streams.
-        self.federation_out_pos_startup = self._get_federation_out_pos(db_conn)
-
-    def _get_federation_out_pos(self, db_conn):
-        sql = "SELECT stream_id FROM federation_stream_position" " WHERE type = ?"
-        sql = self.database_engine.convert_param_style(sql)
-
-        txn = db_conn.cursor()
-        txn.execute(sql, ("federation",))
-        rows = txn.fetchall()
-        txn.close()
-
-        return rows[0][0] if rows else -1
-
-
-class FederationSenderServer(HomeServer):
-    DATASTORE_CLASS = FederationSenderSlaveStore
-
-    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)
-
-        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 federation_sender 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 FederationSenderReplicationHandler(self)
-
-
-class FederationSenderReplicationHandler(ReplicationClientHandler):
-    def __init__(self, hs):
-        super(FederationSenderReplicationHandler, self).__init__(hs.get_datastore())
-        self.send_handler = FederationSenderHandler(hs, self)
-
-    @defer.inlineCallbacks
-    def on_rdata(self, stream_name, token, rows):
-        yield super(FederationSenderReplicationHandler, self).on_rdata(
-            stream_name, token, rows
-        )
-        self.send_handler.process_replication_rows(stream_name, token, rows)
-
-    def get_streams_to_replicate(self):
-        args = super(
-            FederationSenderReplicationHandler, self
-        ).get_streams_to_replicate()
-        args.update(self.send_handler.stream_positions())
-        return args
-
-
-def start(config_options):
-    try:
-        config = HomeServerConfig.load_config(
-            "Synapse federation sender", config_options
-        )
-    except ConfigError as e:
-        sys.stderr.write("\n" + str(e) + "\n")
-        sys.exit(1)
 
-    assert config.worker_app == "synapse.app.federation_sender"
-
-    events.USE_FROZEN_DICTS = config.use_frozen_dicts
-
-    database_engine = create_engine(config.database_config)
-
-    if config.send_federation:
-        sys.stderr.write(
-            "\nThe send_federation must be disabled in the main synapse process"
-            "\nbefore they can be run in a separate worker."
-            "\nPlease add ``send_federation: false`` to the main config"
-            "\n"
-        )
-        sys.exit(1)
-
-    # Force the pushers to start since they will be disabled in the main config
-    config.send_federation = True
-
-    ss = FederationSenderServer(
-        config.server_name,
-        db_config=config.database_config,
-        config=config,
-        version_string="Synapse/" + get_version_string(synapse),
-        database_engine=database_engine,
-    )
-
-    setup_logging(ss, config, use_worker_options=True)
-
-    ss.setup()
-    reactor.addSystemEventTrigger(
-        "before", "startup", _base.start, ss, config.worker_listeners
-    )
-
-    _base.start_worker_reactor("synapse-federation-sender", config)
-
-
-class FederationSenderHandler(object):
-    """Processes the replication stream and forwards the appropriate entries
-    to the federation sender.
-    """
-
-    def __init__(self, hs, replication_client):
-        self.store = hs.get_datastore()
-        self._is_mine_id = hs.is_mine_id
-        self.federation_sender = hs.get_federation_sender()
-        self.replication_client = replication_client
-
-        self.federation_position = self.store.federation_out_pos_startup
-        self._fed_position_linearizer = Linearizer(name="_fed_position_linearizer")
-
-        self._last_ack = self.federation_position
-
-        self._room_serials = {}
-        self._room_typing = {}
-
-    def on_start(self):
-        # There may be some events that are persisted but haven't been sent,
-        # so send them now.
-        self.federation_sender.notify_new_events(
-            self.store.get_room_max_stream_ordering()
-        )
-
-    def stream_positions(self):
-        return {"federation": self.federation_position}
-
-    def process_replication_rows(self, stream_name, token, rows):
-        # The federation stream contains things that we want to send out, e.g.
-        # presence, typing, etc.
-        if stream_name == "federation":
-            send_queue.process_rows_for_federation(self.federation_sender, rows)
-            run_in_background(self.update_token, token)
-
-        # We also need to poke the federation sender when new events happen
-        elif stream_name == "events":
-            self.federation_sender.notify_new_events(token)
-
-        # ... and when new receipts happen
-        elif stream_name == ReceiptsStream.NAME:
-            run_as_background_process(
-                "process_receipts_for_federation", self._on_new_receipts, rows
-            )
-
-    @defer.inlineCallbacks
-    def _on_new_receipts(self, rows):
-        """
-        Args:
-            rows (iterable[synapse.replication.tcp.streams.ReceiptsStreamRow]):
-                new receipts to be processed
-        """
-        for receipt in rows:
-            # we only want to send on receipts for our own users
-            if not self._is_mine_id(receipt.user_id):
-                continue
-            receipt_info = ReadReceipt(
-                receipt.room_id,
-                receipt.receipt_type,
-                receipt.user_id,
-                [receipt.event_id],
-                receipt.data,
-            )
-            yield self.federation_sender.send_read_receipt(receipt_info)
-
-    @defer.inlineCallbacks
-    def update_token(self, token):
-        try:
-            self.federation_position = token
-
-            # We linearize here to ensure we don't have races updating the token
-            with (yield self._fed_position_linearizer.queue(None)):
-                if self._last_ack < self.federation_position:
-                    yield self.store.update_federation_out_pos(
-                        "federation", self.federation_position
-                    )
-
-                    # We ACK this token over replication so that the master can drop
-                    # its in memory queues
-                    self.replication_client.send_federation_ack(
-                        self.federation_position
-                    )
-                    self._last_ack = self.federation_position
-        except Exception:
-            logger.exception("Error updating federation stream position")
+import sys
 
+from synapse.app.generic_worker import start
+from synapse.util.logcontext import LoggingContext
 
 if __name__ == "__main__":
     with LoggingContext("main"):