From 5bd9369a62c6d6cf677e9eef7d58096449542cdf Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Mon, 15 Sep 2014 13:26:05 +0100 Subject: [PATCH] Correctly handle the 'age' key in events and pdus --- synapse/api/events/__init__.py | 13 +++++++++++++ synapse/api/events/factory.py | 8 ++++++++ synapse/federation/replication.py | 15 ++++++++++++--- synapse/handlers/events.py | 10 ++++------ synapse/handlers/message.py | 6 +++--- synapse/handlers/room.py | 2 +- synapse/rest/events.py | 2 +- synapse/rest/room.py | 2 +- synapse/server.py | 4 ++++ synapse/storage/_base.py | 4 ++++ 10 files changed, 51 insertions(+), 15 deletions(-) diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py index 5f300de108..72c493db57 100644 --- a/synapse/api/events/__init__.py +++ b/synapse/api/events/__init__.py @@ -17,6 +17,18 @@ from synapse.api.errors import SynapseError, Codes from synapse.util.jsonobject import JsonEncodedObject +def serialize_event(hs, e): + # FIXME(erikj): To handle the case of presence events and the like + if not isinstance(e, SynapseEvent): + return e + + d = e.get_dict() + if "age_ts" in d: + d["age"] = int(hs.get_clock().time_msec()) - d["age_ts"] + + return d + + class SynapseEvent(JsonEncodedObject): """Base class for Synapse events. These are JSON objects which must abide @@ -43,6 +55,7 @@ class SynapseEvent(JsonEncodedObject): "content", # HTTP body, JSON "state_key", "required_power_level", + "age_ts", ] internal_keys = [ diff --git a/synapse/api/events/factory.py b/synapse/api/events/factory.py index 5e38cdbc44..d3d96d73eb 100644 --- a/synapse/api/events/factory.py +++ b/synapse/api/events/factory.py @@ -59,6 +59,14 @@ class EventFactory(object): if "ts" not in kwargs: kwargs["ts"] = int(self.clock.time_msec()) + # The "age" key is a delta timestamp that should be converted into an + # absolute timestamp the minute we see it. + if "age" in kwargs: + kwargs["age_ts"] = int(self.clock.time_msec()) - int(kwargs["age"]) + del kwargs["age"] + elif "age_ts" not in kwargs: + kwargs["age_ts"] = int(self.clock.time_msec()) + if etype in self._event_list: handler = self._event_list[etype] else: diff --git a/synapse/federation/replication.py b/synapse/federation/replication.py index e12510017f..c79ce44688 100644 --- a/synapse/federation/replication.py +++ b/synapse/federation/replication.py @@ -291,6 +291,12 @@ class ReplicationLayer(object): def on_incoming_transaction(self, transaction_data): transaction = Transaction(**transaction_data) + for p in transaction.pdus: + if "age" in p: + p["age_ts"] = int(self.clock.time_msec()) - int(p["age"]) + + pdu_list = [Pdu(**p) for p in transaction.pdus] + logger.debug("[%s] Got transaction", transaction.transaction_id) response = yield self.transaction_actions.have_responded(transaction) @@ -303,8 +309,6 @@ class ReplicationLayer(object): logger.debug("[%s] Transacition is new", transaction.transaction_id) - pdu_list = [Pdu(**p) for p in transaction.pdus] - dl = [] for pdu in pdu_list: dl.append(self._handle_new_pdu(pdu)) @@ -405,9 +409,14 @@ class ReplicationLayer(object): """Returns a new Transaction containing the given PDUs suitable for transmission. """ + pdus = [p.get_dict() for p in pdu_list] + for p in pdus: + if "age_ts" in pdus: + p["age"] = int(self.clock.time_msec()) - p["age_ts"] + return Transaction( - pdus=[p.get_dict() for p in pdu_list], origin=self.server_name, + pdus=pdus, ts=int(self._clock.time_msec()), destination=None, ) diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py index fd24a11fb8..93dcd40324 100644 --- a/synapse/handlers/events.py +++ b/synapse/handlers/events.py @@ -15,7 +15,6 @@ from twisted.internet import defer -from synapse.api.events import SynapseEvent from synapse.util.logutils import log_function from ._base import BaseHandler @@ -71,10 +70,7 @@ class EventStreamHandler(BaseHandler): auth_user, room_ids, pagin_config, timeout ) - chunks = [ - e.get_dict() if isinstance(e, SynapseEvent) else e - for e in events - ] + chunks = [self.hs.serialize_event(e) for e in events] chunk = { "chunk": chunks, @@ -92,7 +88,9 @@ class EventStreamHandler(BaseHandler): # 10 seconds of grace to allow the client to reconnect again # before we think they're gone def _later(): - logger.debug("_later stopped_user_eventstream %s", auth_user) + logger.debug( + "_later stopped_user_eventstream %s", auth_user + ) self.distributor.fire( "stopped_user_eventstream", auth_user ) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 87fc04478b..b63863e5b2 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -124,7 +124,7 @@ class MessageHandler(BaseHandler): ) chunk = { - "chunk": [e.get_dict() for e in events], + "chunk": [self.hs.serialize_event(e) for e in events], "start": pagin_config.from_token.to_string(), "end": next_token.to_string(), } @@ -296,7 +296,7 @@ class MessageHandler(BaseHandler): end_token = now_token.copy_and_replace("room_key", token[1]) d["messages"] = { - "chunk": [m.get_dict() for m in messages], + "chunk": [self.hs.serialize_event(m) for m in messages], "start": start_token.to_string(), "end": end_token.to_string(), } @@ -304,7 +304,7 @@ class MessageHandler(BaseHandler): current_state = yield self.store.get_current_state( event.room_id ) - d["state"] = [c.get_dict() for c in current_state] + d["state"] = [self.hs.serialize_event(c) for c in current_state] except: logger.exception("Failed to get snapshot") diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 310cb46fe7..5bc1280432 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -335,7 +335,7 @@ class RoomMemberHandler(BaseHandler): member_list = yield self.store.get_room_members(room_id=room_id) event_list = [ - entry.get_dict() + self.hs.serialize_event(entry) for entry in member_list ] chunk_data = { diff --git a/synapse/rest/events.py b/synapse/rest/events.py index 7fde143200..097195d7cc 100644 --- a/synapse/rest/events.py +++ b/synapse/rest/events.py @@ -59,7 +59,7 @@ class EventRestServlet(RestServlet): event = yield handler.get_event(auth_user, event_id) if event: - defer.returnValue((200, event.get_dict())) + defer.returnValue((200, self.hs.serialize_event(event))) else: defer.returnValue((404, "Event not found.")) diff --git a/synapse/rest/room.py b/synapse/rest/room.py index cef700c81c..ecb1e346d9 100644 --- a/synapse/rest/room.py +++ b/synapse/rest/room.py @@ -378,7 +378,7 @@ class RoomTriggerBackfill(RestServlet): handler = self.handlers.federation_handler events = yield handler.backfill(remote_server, room_id, limit) - res = [event.get_dict() for event in events] + res = [self.hs.serialize_event(event) for event in events] defer.returnValue((200, res)) diff --git a/synapse/server.py b/synapse/server.py index 83368ea5a7..7c185537aa 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -20,6 +20,7 @@ # Imports required for the default HomeServer() implementation from synapse.federation import initialize_http_replication +from synapse.api.events import serialize_event from synapse.api.events.factory import EventFactory from synapse.notifier import Notifier from synapse.api.auth import Auth @@ -138,6 +139,9 @@ class BaseHomeServer(object): object.""" return RoomID.from_string(s, hs=self) + def serialize_event(self, e): + return serialize_event(self, e) + # Build magic accessors for every dependency for depname in BaseHomeServer.DEPENDENCIES: BaseHomeServer._make_dependency_method(depname) diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 8deaaf93bd..cf88bfc22b 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -315,6 +315,10 @@ class SQLBaseStore(object): d["content"] = json.loads(d["content"]) del d["unrecognized_keys"] + if "age_ts" not in d: + # For compatibility + d["age_ts"] = d["ts"] if "ts" in d else 0 + return self.event_factory.create_event( etype=d["type"], **d