From b6e8420aeed9921ba7d0fd4c8ebaf1b64d5f677c Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Tue, 15 Mar 2016 17:01:43 +0000 Subject: [PATCH 1/4] Add replication stream for pushers --- synapse/replication/resource.py | 25 +++++++- synapse/storage/__init__.py | 5 +- synapse/storage/pusher.py | 63 ++++++++++++++----- .../schema/delta/30/deleted_pushers.sql | 24 +++++++ synapse/storage/util/id_generators.py | 7 ++- tests/replication/test_resource.py | 1 + 6 files changed, 107 insertions(+), 18 deletions(-) create mode 100644 synapse/storage/schema/delta/30/deleted_pushers.sql diff --git a/synapse/replication/resource.py b/synapse/replication/resource.py index adc1eb1d0b..8c1ae0fbc7 100644 --- a/synapse/replication/resource.py +++ b/synapse/replication/resource.py @@ -37,6 +37,7 @@ STREAM_NAMES = ( ("user_account_data", "room_account_data", "tag_account_data",), ("backfill",), ("push_rules",), + ("pushers",), ) @@ -65,6 +66,7 @@ class ReplicationResource(Resource): * "tag_account_data": Per room per user tags. * "backfill": Old events that have been backfilled from other servers. * "push_rules": Per user changes to push rules. + * "pushers": Per user changes to their pushers. The API takes two additional query parameters: @@ -120,6 +122,7 @@ class ReplicationResource(Resource): stream_token = yield self.sources.get_current_token() backfill_token = yield self.store.get_current_backfill_token() push_rules_token, room_stream_token = self.store.get_push_rules_stream_token() + pushers_token = self.store.get_pushers_stream_token() defer.returnValue(_ReplicationToken( room_stream_token, @@ -129,6 +132,7 @@ class ReplicationResource(Resource): int(stream_token.account_data_key), backfill_token, push_rules_token, + pushers_token, )) @request_handler @@ -151,6 +155,7 @@ class ReplicationResource(Resource): yield self.typing(writer, current_token) # TODO: implement limit yield self.receipts(writer, current_token, limit) yield self.push_rules(writer, current_token, limit) + yield self.pushers(writer, current_token, limit) self.streams(writer, current_token) logger.info("Replicated %d rows", writer.total) @@ -297,6 +302,24 @@ class ReplicationResource(Resource): "priority_class", "priority", "conditions", "actions" )) + @defer.inlineCallbacks + def pushers(self, writer, current_token, limit): + current_position = current_token.pushers + + pushers = parse_integer(writer.request, "pushers") + if pushers is not None: + updated, deleted = yield self.store.get_all_updated_pushers( + pushers, current_position, limit + ) + writer.write_header_and_rows("pushers", updated, ( + "position", "user_id", "access_token", "profile_tag", "kind", + "app_id", "app_display_name", "device_display_name", "pushkey", + "ts", "lang", "data" + )) + writer.write_header_and_rows("deleted", deleted, ( + "position", "user_id", "app_id", "pushkey" + )) + class _Writer(object): """Writes the streams as a JSON object as the response to the request""" @@ -327,7 +350,7 @@ class _Writer(object): class _ReplicationToken(collections.namedtuple("_ReplicationToken", ( "events", "presence", "typing", "receipts", "account_data", "backfill", - "push_rules" + "push_rules", "pushers" ))): __slots__ = [] diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 168eb27b03..250ba536ea 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -119,12 +119,15 @@ class DataStore(RoomMemberStore, RoomStore, self._state_groups_id_gen = IdGenerator(db_conn, "state_groups", "id") self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id") self._refresh_tokens_id_gen = IdGenerator(db_conn, "refresh_tokens", "id") - self._pushers_id_gen = IdGenerator(db_conn, "pushers", "id") self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id") self._push_rules_enable_id_gen = IdGenerator(db_conn, "push_rules_enable", "id") self._push_rules_stream_id_gen = ChainedIdGenerator( self._stream_id_gen, db_conn, "push_rules_stream", "stream_id" ) + self._pushers_id_gen = StreamIdGenerator( + db_conn, "pushers", "id", + extra_tables=[("deleted_pushers", "stream_id")], + ) events_max = self._stream_id_gen.get_max_token() event_cache_prefill, min_event_val = self._get_cache_dict( diff --git a/synapse/storage/pusher.py b/synapse/storage/pusher.py index 7693ab9082..29da3bbd13 100644 --- a/synapse/storage/pusher.py +++ b/synapse/storage/pusher.py @@ -16,8 +16,6 @@ from ._base import SQLBaseStore from twisted.internet import defer -from synapse.api.errors import StoreError - from canonicaljson import encode_canonical_json import logging @@ -79,12 +77,41 @@ class PusherStore(SQLBaseStore): rows = yield self.runInteraction("get_all_pushers", get_pushers) defer.returnValue(rows) + def get_pushers_stream_token(self): + return self._pushers_id_gen.get_max_token() + + def get_all_updated_pushers(self, last_id, current_id, limit): + def get_all_updated_pushers_txn(txn): + sql = ( + "SELECT id, user_name, access_token, profile_tag, kind," + " app_id, app_display_name, device_display_name, pushkey, ts," + " lang, data" + " FROM pushers" + " WHERE ? < id AND id <= ?" + " ORDER BY id ASC LIMIT ?" + ) + txn.execute(sql, (last_id, current_id, limit)) + updated = txn.fetchall() + + sql = ( + "SELECT stream_id, user_id, app_id, pushkey" + " FROM deleted_pushers" + " WHERE ? < stream_id AND stream_id <= ?" + " ORDER BY stream_id ASC LIMIT ?" + ) + txn.execute(sql, (last_id, current_id, limit)) + deleted = txn.fetchall() + + return (updated, deleted) + return self.runInteraction( + "get_all_updated_pushers", get_all_updated_pushers_txn + ) + @defer.inlineCallbacks def add_pusher(self, user_id, access_token, kind, app_id, app_display_name, device_display_name, pushkey, pushkey_ts, lang, data, profile_tag=""): - try: - next_id = self._pushers_id_gen.get_next() + with self._pushers_id_gen.get_next() as stream_id: yield self._simple_upsert( "pushers", dict( @@ -101,23 +128,29 @@ class PusherStore(SQLBaseStore): lang=lang, data=encode_canonical_json(data), profile_tag=profile_tag, - ), - insertion_values=dict( - id=next_id, + id=stream_id, ), desc="add_pusher", ) - except Exception as e: - logger.error("create_pusher with failed: %s", e) - raise StoreError(500, "Problem creating pusher.") @defer.inlineCallbacks def delete_pusher_by_app_id_pushkey_user_id(self, app_id, pushkey, user_id): - yield self._simple_delete_one( - "pushers", - {"app_id": app_id, "pushkey": pushkey, 'user_name': user_id}, - desc="delete_pusher_by_app_id_pushkey_user_id", - ) + def delete_pusher_txn(txn, stream_id): + self._simple_delete_one( + txn, + "pushers", + {"app_id": app_id, "pushkey": pushkey, "user_name": user_id} + ) + self._simple_upsert_txn( + txn, + "deleted_pushers", + {"app_id": app_id, "pushkey": pushkey, "user_id": user_id}, + {"stream_id", stream_id}, + ) + with self._pushers_id_gen.get_next() as stream_id: + yield self.runInteraction( + "delete_pusher", delete_pusher_txn, stream_id + ) @defer.inlineCallbacks def update_pusher_last_token(self, app_id, pushkey, user_id, last_token): diff --git a/synapse/storage/schema/delta/30/deleted_pushers.sql b/synapse/storage/schema/delta/30/deleted_pushers.sql new file mode 100644 index 0000000000..cdcf79ac81 --- /dev/null +++ b/synapse/storage/schema/delta/30/deleted_pushers.sql @@ -0,0 +1,24 @@ +/* Copyright 2016 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. + */ + +CREATE TABLE IF NOT EXISTS deleted_pushers( + stream_id BIGINT NOT NULL, + app_id TEXT NOT NULL, + pushkey TEXT NOT NULL, + user_id TEXT NOT NULL, + UNIQUE (app_id, pushkey, user_id) +); + +CREATE INDEX deleted_pushers_stream_id ON deleted_pushers (stream_id); diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py index 610ddad423..a02dfc7d58 100644 --- a/synapse/storage/util/id_generators.py +++ b/synapse/storage/util/id_generators.py @@ -49,9 +49,14 @@ class StreamIdGenerator(object): with stream_id_gen.get_next() as stream_id: # ... persist event ... """ - def __init__(self, db_conn, table, column): + def __init__(self, db_conn, table, column, extra_tables=[]): self._lock = threading.Lock() self._current_max = _load_max_id(db_conn, table, column) + for table, column in extra_tables: + self._current_max = max( + self._current_max, + _load_max_id(db_conn, table, column) + ) self._unfinished_ids = deque() def get_next(self): diff --git a/tests/replication/test_resource.py b/tests/replication/test_resource.py index 4a42eb3365..f4b5fb3328 100644 --- a/tests/replication/test_resource.py +++ b/tests/replication/test_resource.py @@ -131,6 +131,7 @@ class ReplicationResourceCase(unittest.TestCase): test_timeout_tag_account_data = _test_timeout("tag_account_data") test_timeout_backfill = _test_timeout("backfill") test_timeout_push_rules = _test_timeout("push_rules") + test_timeout_pushers = _test_timeout("pushers") @defer.inlineCallbacks def send_text_message(self, room_id, message): From 12904932c41c73714543b817157f09073fcc2625 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Tue, 15 Mar 2016 17:41:06 +0000 Subject: [PATCH 2/4] Hook up adding a pusher to the notifier for replication. --- synapse/notifier.py | 6 ++++++ synapse/rest/client/v1/pusher.py | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/synapse/notifier.py b/synapse/notifier.py index 9b69b0333a..f00cd8c588 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -282,6 +282,12 @@ class Notifier(object): self.notify_replication() + def on_new_replication_data(self): + """Used to inform replication listeners that something has happend + without waking up any of the normal user event streams""" + with PreserveLoggingContext(): + self.notify_replication() + @defer.inlineCallbacks def wait_for_events(self, user_id, timeout, callback, room_ids=None, from_token=StreamToken.START): diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py index ee029b4f77..9881f068c3 100644 --- a/synapse/rest/client/v1/pusher.py +++ b/synapse/rest/client/v1/pusher.py @@ -29,6 +29,10 @@ logger = logging.getLogger(__name__) class PusherRestServlet(ClientV1RestServlet): PATTERNS = client_path_patterns("/pushers/set$") + def __init__(self, hs): + super(PusherRestServlet, self).__init__(hs) + self.notifier = hs.get_notifier() + @defer.inlineCallbacks def on_POST(self, request): requester = yield self.auth.get_user_by_req(request) @@ -87,6 +91,8 @@ class PusherRestServlet(ClientV1RestServlet): raise SynapseError(400, "Config Error: " + pce.message, errcode=Codes.MISSING_PARAM) + self.notifier.on_new_replication_data() + defer.returnValue((200, {})) def on_OPTIONS(self, _): From ee32d622cec56f2ab7b11577d15e4b805477d13f Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Tue, 15 Mar 2016 17:47:36 +0000 Subject: [PATCH 3/4] Fix a couple of errors when deleting pushers --- synapse/storage/pusher.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/synapse/storage/pusher.py b/synapse/storage/pusher.py index 29da3bbd13..87b2ac5773 100644 --- a/synapse/storage/pusher.py +++ b/synapse/storage/pusher.py @@ -136,7 +136,7 @@ class PusherStore(SQLBaseStore): @defer.inlineCallbacks def delete_pusher_by_app_id_pushkey_user_id(self, app_id, pushkey, user_id): def delete_pusher_txn(txn, stream_id): - self._simple_delete_one( + self._simple_delete_one_txn( txn, "pushers", {"app_id": app_id, "pushkey": pushkey, "user_name": user_id} @@ -145,7 +145,7 @@ class PusherStore(SQLBaseStore): txn, "deleted_pushers", {"app_id": app_id, "pushkey": pushkey, "user_id": user_id}, - {"stream_id", stream_id}, + {"stream_id": stream_id}, ) with self._pushers_id_gen.get_next() as stream_id: yield self.runInteraction( From ba660ecde20544ac1cfc163a5586f4f202627afa Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Wed, 16 Mar 2016 10:35:00 +0000 Subject: [PATCH 4/4] Add a comment to offer a hint to an explanation for why we have a unique constraint on (app_id, pushkey, user_id) --- synapse/storage/schema/delta/30/deleted_pushers.sql | 1 + 1 file changed, 1 insertion(+) diff --git a/synapse/storage/schema/delta/30/deleted_pushers.sql b/synapse/storage/schema/delta/30/deleted_pushers.sql index cdcf79ac81..712c454aa1 100644 --- a/synapse/storage/schema/delta/30/deleted_pushers.sql +++ b/synapse/storage/schema/delta/30/deleted_pushers.sql @@ -18,6 +18,7 @@ CREATE TABLE IF NOT EXISTS deleted_pushers( app_id TEXT NOT NULL, pushkey TEXT NOT NULL, user_id TEXT NOT NULL, + /* We only track the most recent delete for each app_id, pushkey and user_id. */ UNIQUE (app_id, pushkey, user_id) );