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Start chagning the events stream to work with the new DB schema

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This commit is contained in:
Erik Johnston 2014-08-15 13:58:28 +01:00
parent d72f897f07
commit 114984a236
8 changed files with 102 additions and 118 deletions
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77
synapse/api/streams/event.py
View File

@ -28,17 +28,17 @@ import logging
logger = logging.getLogger(__name__)
class MessagesStreamData(StreamData):
EVENT_TYPE = MessageEvent.TYPE
class EventsStreamData(StreamData):
EVENT_TYPE = "EventsStream"
def __init__(self, hs, room_id=None, feedback=False):
super(MessagesStreamData, self).__init__(hs)
super(EventsStreamData, self).__init__(hs)
self.room_id = room_id
self.with_feedback = feedback
@defer.inlineCallbacks
def get_rows(self, user_id, from_key, to_key, limit):
(data, latest_ver) = yield self.store.get_message_stream(
data, latest_ver = yield self.store.get_room_events_stream(
user_id=user_id,
from_key=from_key,
to_key=to_key,
@ -50,74 +50,7 @@ class MessagesStreamData(StreamData):
@defer.inlineCallbacks
def max_token(self):
val = yield self.store.get_max_message_id()
defer.returnValue(val)
class RoomMemberStreamData(StreamData):
EVENT_TYPE = RoomMemberEvent.TYPE
@defer.inlineCallbacks
def get_rows(self, user_id, from_key, to_key, limit):
(data, latest_ver) = yield self.store.get_room_member_stream(
user_id=user_id,
from_key=from_key,
to_key=to_key
)
defer.returnValue((data, latest_ver))
@defer.inlineCallbacks
def max_token(self):
val = yield self.store.get_max_room_member_id()
defer.returnValue(val)
class FeedbackStreamData(StreamData):
EVENT_TYPE = FeedbackEvent.TYPE
def __init__(self, hs, room_id=None):
super(FeedbackStreamData, self).__init__(hs)
self.room_id = room_id
@defer.inlineCallbacks
def get_rows(self, user_id, from_key, to_key, limit):
(data, latest_ver) = yield self.store.get_feedback_stream(
user_id=user_id,
from_key=from_key,
to_key=to_key,
limit=limit,
room_id=self.room_id
)
defer.returnValue((data, latest_ver))
@defer.inlineCallbacks
def max_token(self):
val = yield self.store.get_max_feedback_id()
defer.returnValue(val)
class RoomDataStreamData(StreamData):
EVENT_TYPE = RoomTopicEvent.TYPE # TODO need multiple event types
def __init__(self, hs, room_id=None):
super(RoomDataStreamData, self).__init__(hs)
self.room_id = room_id
@defer.inlineCallbacks
def get_rows(self, user_id, from_key, to_key, limit):
(data, latest_ver) = yield self.store.get_room_data_stream(
user_id=user_id,
from_key=from_key,
to_key=to_key,
limit=limit,
room_id=self.room_id
)
defer.returnValue((data, latest_ver))
@defer.inlineCallbacks
def max_token(self):
val = yield self.store.get_max_room_data_id()
val = yield self.store.get_room_events_max_id()
defer.returnValue(val)

8
synapse/handlers/events.py
View File

@ -17,8 +17,7 @@ from twisted.internet import defer
from ._base import BaseHandler
from synapse.api.streams.event import (
EventStream, MessagesStreamData, RoomMemberStreamData, FeedbackStreamData,
RoomDataStreamData
EventStream, EventsStreamData
)
from synapse.handlers.presence import PresenceStreamData
@ -26,10 +25,7 @@ from synapse.handlers.presence import PresenceStreamData
class EventStreamHandler(BaseHandler):
stream_data_classes = [
MessagesStreamData,
RoomMemberStreamData,
FeedbackStreamData,
RoomDataStreamData,
EventsStreamData,
PresenceStreamData,
]

79
synapse/handlers/room.py
View File

@ -23,7 +23,7 @@ from synapse.api.events.room import (
RoomTopicEvent, MessageEvent, InviteJoinEvent, RoomMemberEvent,
RoomConfigEvent
)
from synapse.api.streams.event import EventStream, MessagesStreamData
from synapse.api.streams.event import EventStream, EventsStreamData
from synapse.util import stringutils
from ._base import BaseHandler
@ -97,30 +97,30 @@ class MessageHandler(BaseHandler):
self.notifier.on_new_room_event(event, store_id)
yield self.hs.get_federation().handle_new_event(event)
@defer.inlineCallbacks
def get_messages(self, user_id=None, room_id=None, pagin_config=None,
feedback=False):
"""Get messages in a room.
Args:
user_id (str): The user requesting messages.
room_id (str): The room they want messages from.
pagin_config (synapse.api.streams.PaginationConfig): The pagination
config rules to apply, if any.
feedback (bool): True to get compressed feedback with the messages
Returns:
dict: Pagination API results
"""
yield self.auth.check_joined_room(room_id, user_id)
data_source = [MessagesStreamData(self.hs, room_id=room_id,
feedback=feedback)]
event_stream = EventStream(user_id, data_source)
pagin_config = yield event_stream.fix_tokens(pagin_config)
data_chunk = yield event_stream.get_chunk(config=pagin_config)
defer.returnValue(data_chunk)
#
# @defer.inlineCallbacks
# def get_messages(self, user_id=None, room_id=None, pagin_config=None,
# feedback=False):
# """Get messages in a room.
#
# Args:
# user_id (str): The user requesting messages.
# room_id (str): The room they want messages from.
# pagin_config (synapse.api.streams.PaginationConfig): The pagination
# config rules to apply, if any.
# feedback (bool): True to get compressed feedback with the messages
# Returns:
# dict: Pagination API results
# """
# yield self.auth.check_joined_room(room_id, user_id)
#
# data_source = [MessagesStreamData(self.hs, room_id=room_id,
# feedback=feedback)]
# event_stream = EventStream(user_id, data_source)
# pagin_config = yield event_stream.fix_tokens(pagin_config)
# data_chunk = yield event_stream.get_chunk(config=pagin_config)
# defer.returnValue(data_chunk)
#
@defer.inlineCallbacks
def store_room_data(self, event=None, stamp_event=True):
""" Stores data for a room.
@ -251,20 +251,27 @@ class MessageHandler(BaseHandler):
user_id=user_id,
membership_list=[Membership.INVITE, Membership.JOIN]
)
for room_info in room_list:
if room_info["membership"] != Membership.JOIN:
ret = []
for event in room_list:
d = event.get_dict()
ret.append(d)
if event.membership != Membership.JOIN:
continue
try:
event_chunk = yield self.get_messages(
user_id=user_id,
pagin_config=pagin_config,
feedback=feedback,
room_id=room_info["room_id"]
messages = yield self.store.get_recent_events_for_room(
event.room_id,
limit=50,
)
room_info["messages"] = event_chunk
d["messages"] = [m.get_dict() for m in messages]
except:
pass
defer.returnValue(room_list)
logger.debug("snapshot_all_rooms returning: %s", ret)
defer.returnValue(ret)
class RoomCreationHandler(BaseHandler):
@ -442,7 +449,7 @@ class RoomMemberHandler(BaseHandler):
member_list = yield self.store.get_room_members(room_id=room_id)
event_list = [
entry.as_event(self.event_factory).get_dict()
entry.get_dict()
for entry in member_list
]
chunk_data = {
@ -685,7 +692,7 @@ class RoomMemberHandler(BaseHandler):
user_id=user.to_string(), membership_list=membership_list
)
defer.returnValue([r["room_id"] for r in rooms])
defer.returnValue([r.room_id for r in rooms])
@defer.inlineCallbacks
def _do_local_membership_update(self, event, membership, broadcast_msg):

10
synapse/storage/__init__.py
View File

@ -104,7 +104,15 @@ class DataStore(RoomMemberStore, RoomStore,
yield self._simple_insert("state_events", vals)
# TODO (erikj): We also need to update the current state table?
yield self._simple_insert(
"current_state_events",
{
"event_id": event.event_id,
"room_id": event.room_id,
"type": event.type,
"state_key": event.state_key,
}
)
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key=""):

2
synapse/storage/_base.py
View File

@ -293,7 +293,7 @@ class SQLBaseStore(object):
def _parse_event_from_row(self, row_dict):
d = copy.deepcopy({k: v for k, v in row_dict.items() if v})
d.update(json.loads(json.loads(row_dict["unrecognized_keys"])))
d.update(json.loads(row_dict["unrecognized_keys"]))
d["content"] = json.loads(d["content"])
del d["unrecognized_keys"]

8
synapse/storage/roommember.py
View File

@ -63,6 +63,7 @@ class RoomMemberStore(SQLBaseStore):
yield self._execute(None, sql, event.room_id, domain)
@defer.inlineCallbacks
def get_room_member(self, user_id, room_id):
"""Retrieve the current state of a room member.
@ -72,11 +73,13 @@ class RoomMemberStore(SQLBaseStore):
Returns:
Deferred: Results in a MembershipEvent or None.
"""
return self._get_members_by_dict({
rows = yield self._get_members_by_dict({
"e.room_id": room_id,
"m.user_id": user_id,
})
defer.returnValue(rows[0] if rows else None)
def get_room_members(self, room_id, membership=None):
"""Retrieve the current room member list for a room.
@ -142,5 +145,8 @@ class RoomMemberStore(SQLBaseStore):
) % (where_clause,)
rows = yield self._execute_and_decode(sql, *where_values)
logger.debug("_get_members_query Got rows %s", rows)
results = [self._parse_event_from_row(r) for r in rows]
defer.returnValue(results)

5
synapse/storage/schema/im.sql
View File

@ -32,7 +32,10 @@ CREATE TABLE IF NOT EXISTS state_events(
CREATE TABLE IF NOT EXISTS current_state_events(
event_id TEXT NOT NULL,
room_id TEXT NOT NULL
room_id TEXT NOT NULL,
type TEXT NOT NULL,
state_key TEXT NOT NULL,
CONSTRAINT uniq UNIQUE (room_id, type, state_key) ON CONFLICT REPLACE
);
CREATE TABLE IF NOT EXISTS room_memberships(

31
synapse/storage/stream.py
View File

@ -34,6 +34,7 @@ class StreamStore(SQLBaseStore):
@defer.inlineCallbacks
def get_room_events_stream(self, user_id, from_key, to_key, room_id,
limit=0, with_feedback=False):
# TODO (erikj): Handle compressed feedback
current_room_membership_sql = (
"SELECT m.room_id FROM room_memberships as m "
@ -69,3 +70,33 @@ class StreamStore(SQLBaseStore):
)
defer.returnValue([self._parse_event_from_row(r) for r in rows])
@defer.inlineCallbacks
def get_recent_events_for_room(self, room_id, limit, with_feedback=False):
# TODO (erikj): Handle compressed feedback
sql = (
"SELECT * FROM events WHERE room_id = ? "
"ORDER BY ordering DESC LIMIT ? "
)
rows = yield self._execute_and_decode(
sql,
room_id, limit
)
rows.reverse() # As we selected with reverse ordering
defer.returnValue([self._parse_event_from_row(r) for r in rows])
@defer.inlineCallbacks
def get_room_events_max_id(self):
res = yield self._execute_and_decode(
"SELECT MAX(ordering) as m FROM events"
)
if not res:
defer.returnValue(0)
return
defer.returnValue(res[0]["m"])