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https://git.anonymousland.org/anonymousland/synapse.git
synced 2025-05-02 13:56:02 -04:00
Support /initialSync in synchrotron worker
This commit is contained in:
Erik Johnston
parent
6f0c5e5d9b
commit
87528f0756
6 changed files with 461 additions and 383 deletions
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@ -21,14 +21,11 @@ from synapse.crypto.event_signing import add_hashes_and_signatures
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from synapse.events.utils import serialize_event
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from synapse.events.validator import EventValidator
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from synapse.push.action_generator import ActionGenerator
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from synapse.streams.config import PaginationConfig
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from synapse.types import (
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UserID, RoomAlias, RoomStreamToken, StreamToken, get_domain_from_id
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UserID, RoomAlias, RoomStreamToken, get_domain_from_id
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)
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from synapse.util import unwrapFirstError
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from synapse.util.async import concurrently_execute, run_on_reactor, ReadWriteLock
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from synapse.util.caches.snapshot_cache import SnapshotCache
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from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
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from synapse.util.async import run_on_reactor, ReadWriteLock
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from synapse.util.logcontext import preserve_fn
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from synapse.util.metrics import measure_func
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from synapse.visibility import filter_events_for_client
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@ -49,7 +46,6 @@ class MessageHandler(BaseHandler):
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self.state = hs.get_state_handler()
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self.clock = hs.get_clock()
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self.validator = EventValidator()
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self.snapshot_cache = SnapshotCache()
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self.pagination_lock = ReadWriteLock()
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@ -392,377 +388,6 @@ class MessageHandler(BaseHandler):
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[serialize_event(c, now) for c in room_state.values()]
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)
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def snapshot_all_rooms(self, user_id=None, pagin_config=None,
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as_client_event=True, include_archived=False):
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"""Retrieve a snapshot of all rooms the user is invited or has joined.
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This snapshot may include messages for all rooms where the user is
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joined, depending on the pagination config.
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Args:
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user_id (str): The ID of the user making the request.
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pagin_config (synapse.api.streams.PaginationConfig): The pagination
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config used to determine how many messages *PER ROOM* to return.
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as_client_event (bool): True to get events in client-server format.
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include_archived (bool): True to get rooms that the user has left
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Returns:
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A list of dicts with "room_id" and "membership" keys for all rooms
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the user is currently invited or joined in on. Rooms where the user
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is joined on, may return a "messages" key with messages, depending
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on the specified PaginationConfig.
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"""
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key = (
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user_id,
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pagin_config.from_token,
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pagin_config.to_token,
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pagin_config.direction,
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pagin_config.limit,
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as_client_event,
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include_archived,
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)
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now_ms = self.clock.time_msec()
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result = self.snapshot_cache.get(now_ms, key)
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if result is not None:
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return result
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return self.snapshot_cache.set(now_ms, key, self._snapshot_all_rooms(
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user_id, pagin_config, as_client_event, include_archived
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))
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@defer.inlineCallbacks
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def _snapshot_all_rooms(self, user_id=None, pagin_config=None,
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as_client_event=True, include_archived=False):
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memberships = [Membership.INVITE, Membership.JOIN]
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if include_archived:
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memberships.append(Membership.LEAVE)
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room_list = yield self.store.get_rooms_for_user_where_membership_is(
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user_id=user_id, membership_list=memberships
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)
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user = UserID.from_string(user_id)
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rooms_ret = []
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now_token = yield self.hs.get_event_sources().get_current_token()
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presence_stream = self.hs.get_event_sources().sources["presence"]
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pagination_config = PaginationConfig(from_token=now_token)
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presence, _ = yield presence_stream.get_pagination_rows(
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user, pagination_config.get_source_config("presence"), None
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)
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receipt_stream = self.hs.get_event_sources().sources["receipt"]
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receipt, _ = yield receipt_stream.get_pagination_rows(
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user, pagination_config.get_source_config("receipt"), None
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)
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tags_by_room = yield self.store.get_tags_for_user(user_id)
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account_data, account_data_by_room = (
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yield self.store.get_account_data_for_user(user_id)
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)
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public_room_ids = yield self.store.get_public_room_ids()
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limit = pagin_config.limit
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if limit is None:
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limit = 10
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@defer.inlineCallbacks
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def handle_room(event):
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d = {
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"room_id": event.room_id,
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"membership": event.membership,
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"visibility": (
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"public" if event.room_id in public_room_ids
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else "private"
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),
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}
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if event.membership == Membership.INVITE:
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time_now = self.clock.time_msec()
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d["inviter"] = event.sender
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invite_event = yield self.store.get_event(event.event_id)
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d["invite"] = serialize_event(invite_event, time_now, as_client_event)
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rooms_ret.append(d)
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if event.membership not in (Membership.JOIN, Membership.LEAVE):
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return
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try:
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if event.membership == Membership.JOIN:
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room_end_token = now_token.room_key
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deferred_room_state = self.state_handler.get_current_state(
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event.room_id
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)
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elif event.membership == Membership.LEAVE:
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room_end_token = "s%d" % (event.stream_ordering,)
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deferred_room_state = self.store.get_state_for_events(
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[event.event_id], None
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)
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deferred_room_state.addCallback(
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lambda states: states[event.event_id]
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)
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(messages, token), current_state = yield preserve_context_over_deferred(
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defer.gatherResults(
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[
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preserve_fn(self.store.get_recent_events_for_room)(
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event.room_id,
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limit=limit,
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end_token=room_end_token,
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),
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deferred_room_state,
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]
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)
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).addErrback(unwrapFirstError)
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messages = yield filter_events_for_client(
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self.store, user_id, messages
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)
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start_token = now_token.copy_and_replace("room_key", token[0])
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end_token = now_token.copy_and_replace("room_key", token[1])
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time_now = self.clock.time_msec()
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d["messages"] = {
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"chunk": [
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serialize_event(m, time_now, as_client_event)
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for m in messages
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],
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"start": start_token.to_string(),
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"end": end_token.to_string(),
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}
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d["state"] = [
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serialize_event(c, time_now, as_client_event)
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for c in current_state.values()
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]
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account_data_events = []
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tags = tags_by_room.get(event.room_id)
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if tags:
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account_data_events.append({
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"type": "m.tag",
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"content": {"tags": tags},
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})
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account_data = account_data_by_room.get(event.room_id, {})
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for account_data_type, content in account_data.items():
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account_data_events.append({
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"type": account_data_type,
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"content": content,
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})
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d["account_data"] = account_data_events
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except:
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logger.exception("Failed to get snapshot")
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yield concurrently_execute(handle_room, room_list, 10)
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account_data_events = []
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for account_data_type, content in account_data.items():
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account_data_events.append({
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"type": account_data_type,
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"content": content,
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})
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ret = {
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"rooms": rooms_ret,
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"presence": presence,
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"account_data": account_data_events,
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"receipts": receipt,
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"end": now_token.to_string(),
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}
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defer.returnValue(ret)
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@defer.inlineCallbacks
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def room_initial_sync(self, requester, room_id, pagin_config=None):
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"""Capture the a snapshot of a room. If user is currently a member of
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the room this will be what is currently in the room. If the user left
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the room this will be what was in the room when they left.
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Args:
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requester(Requester): The user to get a snapshot for.
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room_id(str): The room to get a snapshot of.
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pagin_config(synapse.streams.config.PaginationConfig):
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The pagination config used to determine how many messages to
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return.
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Raises:
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AuthError if the user wasn't in the room.
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Returns:
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A JSON serialisable dict with the snapshot of the room.
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"""
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user_id = requester.user.to_string()
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membership, member_event_id = yield self._check_in_room_or_world_readable(
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room_id, user_id,
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)
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is_peeking = member_event_id is None
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if membership == Membership.JOIN:
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result = yield self._room_initial_sync_joined(
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user_id, room_id, pagin_config, membership, is_peeking
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)
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elif membership == Membership.LEAVE:
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result = yield self._room_initial_sync_parted(
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user_id, room_id, pagin_config, membership, member_event_id, is_peeking
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)
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account_data_events = []
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tags = yield self.store.get_tags_for_room(user_id, room_id)
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if tags:
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account_data_events.append({
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"type": "m.tag",
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"content": {"tags": tags},
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})
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account_data = yield self.store.get_account_data_for_room(user_id, room_id)
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for account_data_type, content in account_data.items():
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account_data_events.append({
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"type": account_data_type,
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"content": content,
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})
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result["account_data"] = account_data_events
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defer.returnValue(result)
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@defer.inlineCallbacks
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def _room_initial_sync_parted(self, user_id, room_id, pagin_config,
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membership, member_event_id, is_peeking):
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room_state = yield self.store.get_state_for_events(
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[member_event_id], None
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)
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room_state = room_state[member_event_id]
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limit = pagin_config.limit if pagin_config else None
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if limit is None:
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limit = 10
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stream_token = yield self.store.get_stream_token_for_event(
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member_event_id
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)
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messages, token = yield self.store.get_recent_events_for_room(
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room_id,
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limit=limit,
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end_token=stream_token
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)
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messages = yield filter_events_for_client(
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self.store, user_id, messages, is_peeking=is_peeking
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)
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start_token = StreamToken.START.copy_and_replace("room_key", token[0])
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end_token = StreamToken.START.copy_and_replace("room_key", token[1])
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time_now = self.clock.time_msec()
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defer.returnValue({
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"membership": membership,
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"room_id": room_id,
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"messages": {
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"chunk": [serialize_event(m, time_now) for m in messages],
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"start": start_token.to_string(),
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"end": end_token.to_string(),
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},
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"state": [serialize_event(s, time_now) for s in room_state.values()],
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"presence": [],
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"receipts": [],
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})
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@defer.inlineCallbacks
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def _room_initial_sync_joined(self, user_id, room_id, pagin_config,
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membership, is_peeking):
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current_state = yield self.state.get_current_state(
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room_id=room_id,
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)
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# TODO: These concurrently
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time_now = self.clock.time_msec()
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state = [
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serialize_event(x, time_now)
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for x in current_state.values()
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]
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now_token = yield self.hs.get_event_sources().get_current_token()
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limit = pagin_config.limit if pagin_config else None
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if limit is None:
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limit = 10
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room_members = [
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m for m in current_state.values()
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if m.type == EventTypes.Member
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and m.content["membership"] == Membership.JOIN
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]
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presence_handler = self.hs.get_presence_handler()
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@defer.inlineCallbacks
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def get_presence():
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states = yield presence_handler.get_states(
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[m.user_id for m in room_members],
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as_event=True,
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)
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defer.returnValue(states)
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@defer.inlineCallbacks
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def get_receipts():
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receipts_handler = self.hs.get_handlers().receipts_handler
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receipts = yield receipts_handler.get_receipts_for_room(
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room_id,
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now_token.receipt_key
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)
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defer.returnValue(receipts)
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presence, receipts, (messages, token) = yield defer.gatherResults(
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[
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preserve_fn(get_presence)(),
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preserve_fn(get_receipts)(),
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preserve_fn(self.store.get_recent_events_for_room)(
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room_id,
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limit=limit,
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end_token=now_token.room_key,
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)
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],
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consumeErrors=True,
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).addErrback(unwrapFirstError)
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messages = yield filter_events_for_client(
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self.store, user_id, messages, is_peeking=is_peeking,
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)
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start_token = now_token.copy_and_replace("room_key", token[0])
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end_token = now_token.copy_and_replace("room_key", token[1])
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time_now = self.clock.time_msec()
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ret = {
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"room_id": room_id,
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"messages": {
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"chunk": [serialize_event(m, time_now) for m in messages],
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"start": start_token.to_string(),
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"end": end_token.to_string(),
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},
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"state": state,
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"presence": presence,
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"receipts": receipts,
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}
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if not is_peeking:
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ret["membership"] = membership
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defer.returnValue(ret)
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@measure_func("_create_new_client_event")
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@defer.inlineCallbacks
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def _create_new_client_event(self, builder, prev_event_ids=None):
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