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-rw-r--r--synapse/federation/sender/__init__.py96
1 files changed, 1 insertions, 95 deletions
diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py
index 952ad39f8c..6266accaf5 100644
--- a/synapse/federation/sender/__init__.py
+++ b/synapse/federation/sender/__init__.py
@@ -24,8 +24,6 @@ from synapse.events import EventBase
 from synapse.federation.sender.per_destination_queue import PerDestinationQueue
 from synapse.federation.sender.transaction_manager import TransactionManager
 from synapse.federation.units import Edu
-from synapse.handlers.presence import get_interested_remotes
-from synapse.logging.context import preserve_fn
 from synapse.metrics import (
     LaterGauge,
     event_processing_loop_counter,
@@ -34,7 +32,7 @@ from synapse.metrics import (
 )
 from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.types import Collection, JsonDict, ReadReceipt, RoomStreamToken
-from synapse.util.metrics import Measure, measure_func
+from synapse.util.metrics import Measure
 
 if TYPE_CHECKING:
     from synapse.events.presence_router import PresenceRouter
@@ -80,15 +78,6 @@ class AbstractFederationSender(metaclass=abc.ABCMeta):
         raise NotImplementedError()
 
     @abc.abstractmethod
-    def send_presence(self, states: List[UserPresenceState]) -> None:
-        """Send the new presence states to the appropriate destinations.
-
-        This actually queues up the presence states ready for sending and
-        triggers a background task to process them and send out the transactions.
-        """
-        raise NotImplementedError()
-
-    @abc.abstractmethod
     def send_presence_to_destinations(
         self, states: Iterable[UserPresenceState], destinations: Iterable[str]
     ) -> None:
@@ -176,11 +165,6 @@ class FederationSender(AbstractFederationSender):
             ),
         )
 
-        # Map of user_id -> UserPresenceState for all the pending presence
-        # to be sent out by user_id. Entries here get processed and put in
-        # pending_presence_by_dest
-        self.pending_presence = {}  # type: Dict[str, UserPresenceState]
-
         LaterGauge(
             "synapse_federation_transaction_queue_pending_pdus",
             "",
@@ -201,8 +185,6 @@ class FederationSender(AbstractFederationSender):
         self._is_processing = False
         self._last_poked_id = -1
 
-        self._processing_pending_presence = False
-
         # map from room_id to a set of PerDestinationQueues which we believe are
         # awaiting a call to flush_read_receipts_for_room. The presence of an entry
         # here for a given room means that we are rate-limiting RR flushes to that room,
@@ -546,48 +528,6 @@ class FederationSender(AbstractFederationSender):
         for queue in queues:
             queue.flush_read_receipts_for_room(room_id)
 
-    @preserve_fn  # the caller should not yield on this
-    async def send_presence(self, states: List[UserPresenceState]) -> None:
-        """Send the new presence states to the appropriate destinations.
-
-        This actually queues up the presence states ready for sending and
-        triggers a background task to process them and send out the transactions.
-        """
-        if not self.hs.config.use_presence:
-            # No-op if presence is disabled.
-            return
-
-        # First we queue up the new presence by user ID, so multiple presence
-        # updates in quick succession are correctly handled.
-        # We only want to send presence for our own users, so lets always just
-        # filter here just in case.
-        self.pending_presence.update(
-            {state.user_id: state for state in states if self.is_mine_id(state.user_id)}
-        )
-
-        # We then handle the new pending presence in batches, first figuring
-        # out the destinations we need to send each state to and then poking it
-        # to attempt a new transaction. We linearize this so that we don't
-        # accidentally mess up the ordering and send multiple presence updates
-        # in the wrong order
-        if self._processing_pending_presence:
-            return
-
-        self._processing_pending_presence = True
-        try:
-            while True:
-                states_map = self.pending_presence
-                self.pending_presence = {}
-
-                if not states_map:
-                    break
-
-                await self._process_presence_inner(list(states_map.values()))
-        except Exception:
-            logger.exception("Error sending presence states to servers")
-        finally:
-            self._processing_pending_presence = False
-
     def send_presence_to_destinations(
         self, states: Iterable[UserPresenceState], destinations: Iterable[str]
     ) -> None:
@@ -608,40 +548,6 @@ class FederationSender(AbstractFederationSender):
                 continue
             self._get_per_destination_queue(destination).send_presence(states)
 
-    @measure_func("txnqueue._process_presence")
-    async def _process_presence_inner(self, states: List[UserPresenceState]) -> None:
-        """Given a list of states populate self.pending_presence_by_dest and
-        poke to send a new transaction to each destination
-        """
-        # We pull the presence router here instead of __init__
-        # to prevent a dependency cycle:
-        #
-        # AuthHandler -> Notifier -> FederationSender
-        # -> PresenceRouter -> ModuleApi -> AuthHandler
-        if self._presence_router is None:
-            self._presence_router = self.hs.get_presence_router()
-
-        assert self._presence_router is not None
-
-        hosts_and_states = await get_interested_remotes(
-            self.store,
-            self._presence_router,
-            states,
-            self.state,
-        )
-
-        for destinations, states in hosts_and_states:
-            for destination in destinations:
-                if destination == self.server_name:
-                    continue
-
-                if not self._federation_shard_config.should_handle(
-                    self._instance_name, destination
-                ):
-                    continue
-
-                self._get_per_destination_queue(destination).send_presence(states)
-
     def build_and_send_edu(
         self,
         destination: str,