diff options
| -rw-r--r-- | synapse/handlers/read_marker.py | 87 | ||||
| -rw-r--r-- | synapse/rest/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/account_data.py | 8 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/read_marker.py | 13 | ||||
| -rw-r--r-- | synapse/server.py | 5 |
5 files changed, 67 insertions, 48 deletions
diff --git a/synapse/handlers/read_marker.py b/synapse/handlers/read_marker.py index 77164f3f49..021faff376 100644 --- a/synapse/handlers/read_marker.py +++ b/synapse/handlers/read_marker.py @@ -18,65 +18,74 @@ from ._base import BaseHandler from twisted.internet import defer from synapse.util.logcontext import PreserveLoggingContext +from synapse.util.async import Linearizer from synapse.types import get_domain_from_id +from synapse.api.errors import SynapseError import logging - - logger = logging.getLogger(__name__) - class ReadMarkerHandler(BaseHandler): def __init__(self, hs): super(ReadMarkerHandler, self).__init__(hs) - self.server_name = hs.config.server_name self.store = hs.get_datastore() + self.read_marker_linearizer = Linearizer(name="read_marker") + self.notifier = hs.get_notifier() @defer.inlineCallbacks def received_client_read_marker(self, room_id, user_id, event_id): - """NEEDS DOC - """ + """Updates the read marker for a given user in a given room if the event ID given + is ahead in the stream relative to the current read marker. - room_id = read_marker["room_id"] - user_id = read_marker["user_id"] - event_id = read_marker["event_id"] + This uses a notifier to indicate that account data should be sent down /sync if + the read marker has changed. + """ # Get ordering for existing read marker - account_data = yield self.store.get_account_data_for_room(user_id, room_id) - existing_read_marker = account_data["m.read_marker"] + with (yield self.read_marker_linearizer.queue(room_id + "_" + user_id)): + account_data = yield self.store.get_account_data_for_room(user_id, room_id) + existing_read_marker = account_data["m.read_marker"] - if existing_read_marker: - # Get ordering for new read marker - res = self.store._simple_select_one_txn( - txn, - table="events", - retcols=["topological_ordering", "stream_ordering"], - keyvalues={"event_id": event_id}, - allow_none=True - ) - new_to = int(res["topological_ordering"]) if res else None - new_so = int(res["stream_ordering"]) if res else None + should_update = True - res = self.store._simple_select_one_txn( - txn, + res = yield self.store._simple_select_one( table="events", retcols=["topological_ordering", "stream_ordering"], - keyvalues={"event_id": existing_read_marker.content.marker}, + keyvalues={"event_id": event_id}, allow_none=True ) - existing_to = int(res["topological_ordering"]) if res else None - existing_so = int(res["stream_ordering"]) if res else None - - if new_to > existing_to: - return False - elif new_to == existing_to and new_so >= existing_so: - return False - # Update account data - content = { - "marker": event_id - } - yield self.store.add_account_data_to_room( - user_id, room_id, "m.read_marker", content - ) + if not res: + raise SynapseError(404, 'Event does not exist') + + if existing_read_marker: + new_to = int(res["topological_ordering"]) + new_so = int(res["stream_ordering"]) + + # Get ordering for existing read marker + res = yield self.store._simple_select_one( + table="events", + retcols=["topological_ordering", "stream_ordering"], + keyvalues={"event_id": existing_read_marker['marker']}, + allow_none=True + ) + existing_to = int(res["topological_ordering"]) if res else None + existing_so = int(res["stream_ordering"]) if res else None + + # Prevent updating if the existing marker is ahead in the stream + if existing_to > new_to: + should_update = False + elif existing_to == new_to and existing_so >= new_so: + should_update = False + + if should_update: + content = { + "marker": event_id + } + max_id = yield self.store.add_account_data_to_room( + user_id, room_id, "m.read_marker", content + ) + self.notifier.on_new_event( + "account_data_key", max_id, users=[user_id], rooms=[room_id] + ) diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py index f9f5a3e077..aa8d874f96 100644 --- a/synapse/rest/__init__.py +++ b/synapse/rest/__init__.py @@ -40,6 +40,7 @@ from synapse.rest.client.v2_alpha import ( register, auth, receipts, + read_marker, keys, tokenrefresh, tags, @@ -88,6 +89,7 @@ class ClientRestResource(JsonResource): register.register_servlets(hs, client_resource) auth.register_servlets(hs, client_resource) receipts.register_servlets(hs, client_resource) + read_marker.register_servlets(hs, client_resource) keys.register_servlets(hs, client_resource) tokenrefresh.register_servlets(hs, client_resource) tags.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/v2_alpha/account_data.py b/synapse/rest/client/v2_alpha/account_data.py index b16079cece..a846ab1dc1 100644 --- a/synapse/rest/client/v2_alpha/account_data.py +++ b/synapse/rest/client/v2_alpha/account_data.py @@ -16,7 +16,7 @@ from ._base import client_v2_patterns from synapse.http.servlet import RestServlet, parse_json_object_from_request -from synapse.api.errors import AuthError +from synapse.api.errors import AuthError, SynapseError from twisted.internet import defer @@ -82,6 +82,12 @@ class RoomAccountDataServlet(RestServlet): body = parse_json_object_from_request(request) + if account_data_type == "m.read_marker": + raise SynapseError(405, + "Cannot set m.read_marker through this API. " + "Use /rooms/!roomId:server.name/read_marker" + ) + max_id = yield self.store.add_account_data_to_room( user_id, room_id, account_data_type, body ) diff --git a/synapse/rest/client/v2_alpha/read_marker.py b/synapse/rest/client/v2_alpha/read_marker.py index 02408eaf10..49ada9c047 100644 --- a/synapse/rest/client/v2_alpha/read_marker.py +++ b/synapse/rest/client/v2_alpha/read_marker.py @@ -25,14 +25,11 @@ import logging logger = logging.getLogger(__name__) -class ReceiptRestServlet(RestServlet): - PATTERNS = client_v2_patterns( - "/rooms/(?P<room_id>[^/]*)" - "/read_marker$" - ) +class ReadMarkerRestServlet(RestServlet): + PATTERNS = client_v2_patterns("/rooms/(?P<room_id>[^/]*)/read_marker$") def __init__(self, hs): - super(ReceiptRestServlet, self).__init__() + super(ReadMarkerRestServlet, self).__init__() self.hs = hs self.auth = hs.get_auth() self.receipts_handler = hs.get_receipts_handler() @@ -40,7 +37,7 @@ class ReceiptRestServlet(RestServlet): self.presence_handler = hs.get_presence_handler() @defer.inlineCallbacks - def on_POST(self, request, room_id, receipt_type, event_id): + def on_POST(self, request, room_id): requester = yield self.auth.get_user_by_req(request) yield self.presence_handler.bump_presence_active_time(requester.user) @@ -68,4 +65,4 @@ class ReceiptRestServlet(RestServlet): def register_servlets(hs, http_server): - ReceiptRestServlet(hs).register(http_server) + ReadMarkerRestServlet(hs).register(http_server) diff --git a/synapse/server.py b/synapse/server.py index 6310152560..12754c89ae 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -48,6 +48,7 @@ from synapse.handlers.typing import TypingHandler from synapse.handlers.events import EventHandler, EventStreamHandler from synapse.handlers.initial_sync import InitialSyncHandler from synapse.handlers.receipts import ReceiptsHandler +from synapse.handlers.read_marker import ReadMarkerHandler from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory from synapse.http.matrixfederationclient import MatrixFederationHttpClient from synapse.notifier import Notifier @@ -133,6 +134,7 @@ class HomeServer(object): 'receipts_handler', 'macaroon_generator', 'tcp_replication', + 'read_marker_handler', ] def __init__(self, hostname, **kwargs): @@ -291,6 +293,9 @@ class HomeServer(object): def build_receipts_handler(self): return ReceiptsHandler(self) + def build_read_marker_handler(self): + return ReadMarkerHandler(self) + def build_tcp_replication(self): raise NotImplementedError() |