Merge branch 'develop' of github.com:matrix-org/synapse into develop

1 files changed, 127 insertions, 89 deletions

diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index bef1508892..7731de85c0 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -18,6 +18,8 @@ from twisted.internet import defer
 from synapse.api.errors import SynapseError, AuthError
 from synapse.api.constants import PresenceState
 
+from synapse.util.logutils import log_function
+
 from ._base import BaseHandler
 
 import logging
@@ -141,6 +143,10 @@ class PresenceHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def is_presence_visible(self, observer_user, observed_user):
+        defer.returnValue(True)
+        # return
+        # FIXME (erikj): This code path absolutely kills the database.
+
         assert(observed_user.is_mine)
 
         if observer_user == observed_user:
@@ -184,7 +190,12 @@ class PresenceHandler(BaseHandler):
         defer.returnValue(state)
 
     @defer.inlineCallbacks
+    @log_function
     def set_state(self, target_user, auth_user, state):
+        # return
+        # TODO (erikj): Turn this back on. Why did we end up sending EDUs
+        # everywhere?
+
         if not target_user.is_mine:
             raise SynapseError(400, "User is not hosted on this Home Server")
 
@@ -237,33 +248,42 @@ class PresenceHandler(BaseHandler):
 
         self.push_presence(user, statuscache=statuscache)
 
+    @log_function
     def started_user_eventstream(self, user):
         # TODO(paul): Use "last online" state
         self.set_state(user, user, {"state": PresenceState.ONLINE})
 
+    @log_function
     def stopped_user_eventstream(self, user):
         # TODO(paul): Save current state as "last online" state
         self.set_state(user, user, {"state": PresenceState.OFFLINE})
 
     @defer.inlineCallbacks
     def user_joined_room(self, user, room_id):
-        localusers = set()
-        remotedomains = set()
-
-        rm_handler = self.homeserver.get_handlers().room_member_handler
-        yield rm_handler.fetch_room_distributions_into(room_id,
-                localusers=localusers, remotedomains=remotedomains,
-                ignore_user=user)
 
         if user.is_mine:
-            yield self._send_presence_to_distribution(srcuser=user,
-                localusers=localusers, remotedomains=remotedomains,
+            self.push_update_to_local_and_remote(
+                observed_user=user,
+                room_ids=[room_id],
                 statuscache=self._get_or_offline_usercache(user),
             )
 
-        for srcuser in localusers:
-            yield self._send_presence(srcuser=srcuser, destuser=user,
-                statuscache=self._get_or_offline_usercache(srcuser),
+        else:
+            self.push_update_to_clients(
+                observed_user=user,
+                room_ids=[room_id],
+                statuscache=self._get_or_offline_usercache(user),
+            )
+
+        # We also want to tell them about current presence of people.
+        rm_handler = self.homeserver.get_handlers().room_member_handler
+        curr_users = yield rm_handler.get_room_members(room_id)
+
+        for local_user in [c for c in curr_users if c.is_mine]:
+            self.push_update_to_local_and_remote(
+                observed_user=local_user,
+                users_to_push=[user],
+                statuscache=self._get_or_offline_usercache(local_user),
             )
 
     @defer.inlineCallbacks
@@ -374,11 +394,13 @@ class PresenceHandler(BaseHandler):
         defer.returnValue(presence)
 
     @defer.inlineCallbacks
+    @log_function
     def start_polling_presence(self, user, target_user=None, state=None):
         logger.debug("Start polling for presence from %s", user)
 
         if target_user:
             target_users = set([target_user])
+            room_ids = []
         else:
             presence = yield self.store.get_presence_list(
                 user.localpart, accepted=True
@@ -392,23 +414,37 @@ class PresenceHandler(BaseHandler):
             rm_handler = self.homeserver.get_handlers().room_member_handler
             room_ids = yield rm_handler.get_rooms_for_user(user)
 
-            for room_id in room_ids:
-                for member in (yield rm_handler.get_room_members(room_id)):
-                    target_users.add(member)
-
         if state is None:
             state = yield self.store.get_presence_state(user.localpart)
-
-        localusers, remoteusers = partitionbool(
-            target_users,
-            lambda u: u.is_mine
+        else:
+#            statuscache = self._get_or_make_usercache(user)
+#            self._user_cachemap_latest_serial += 1
+#            statuscache.update(state, self._user_cachemap_latest_serial)
+            pass
+
+        yield self.push_update_to_local_and_remote(
+            observed_user=user,
+            users_to_push=target_users,
+            room_ids=room_ids,
+            statuscache=self._get_or_make_usercache(user),
         )
 
-        for target_user in localusers:
-            self._start_polling_local(user, target_user)
+        for target_user in target_users:
+            if target_user.is_mine:
+                self._start_polling_local(user, target_user)
+
+                # We want to tell the person that just came online
+                # presence state of people they are interested in?
+                self.push_update_to_clients(
+                    observed_user=target_user,
+                    users_to_push=[user],
+                    statuscache=self._get_or_offline_usercache(target_user),
+                )
 
         deferreds = []
-        remoteusers_by_domain = partition(remoteusers, lambda u: u.domain)
+        remote_users = [u for u in target_users if not u.is_mine]
+        remoteusers_by_domain = partition(remote_users, lambda u: u.domain)
+        # Only poll for people in our get_presence_list
         for domain in remoteusers_by_domain:
             remoteusers = remoteusers_by_domain[domain]
 
@@ -430,12 +466,6 @@ class PresenceHandler(BaseHandler):
 
         self._local_pushmap[target_localpart].add(user)
 
-        self.push_update_to_clients(
-            observer_user=user,
-            observed_user=target_user,
-            statuscache=self._get_or_offline_usercache(target_user),
-        )
-
     def _start_polling_remote(self, user, domain, remoteusers):
         to_poll = set()
 
@@ -455,6 +485,7 @@ class PresenceHandler(BaseHandler):
             content={"poll": [u.to_string() for u in to_poll]}
         )
 
+    @log_function
     def stop_polling_presence(self, user, target_user=None):
         logger.debug("Stop polling for presence from %s", user)
 
@@ -494,6 +525,7 @@ class PresenceHandler(BaseHandler):
             if not self._local_pushmap[localpart]:
                 del self._local_pushmap[localpart]
 
+    @log_function
     def _stop_polling_remote(self, user, domain, remoteusers):
         to_unpoll = set()
 
@@ -514,6 +546,7 @@ class PresenceHandler(BaseHandler):
         )
 
     @defer.inlineCallbacks
+    @log_function
     def push_presence(self, user, statuscache):
         assert(user.is_mine)
 
@@ -529,53 +562,17 @@ class PresenceHandler(BaseHandler):
         rm_handler = self.homeserver.get_handlers().room_member_handler
         room_ids = yield rm_handler.get_rooms_for_user(user)
 
-        for room_id in room_ids:
-            yield rm_handler.fetch_room_distributions_into(
-                room_id, localusers=localusers, remotedomains=remotedomains,
-                ignore_user=user,
-            )
-
-        if not localusers and not remotedomains:
+        if not localusers and not room_ids:
             defer.returnValue(None)
 
-        yield self._send_presence_to_distribution(user,
-            localusers=localusers, remotedomains=remotedomains,
-            statuscache=statuscache
+        yield self.push_update_to_local_and_remote(
+            observed_user=user,
+            users_to_push=localusers,
+            remote_domains=remotedomains,
+            room_ids=room_ids,
+            statuscache=statuscache,
         )
 
-    def _send_presence(self, srcuser, destuser, statuscache):
-        if destuser.is_mine:
-            self.push_update_to_clients(
-                observer_user=destuser,
-                observed_user=srcuser,
-                statuscache=statuscache)
-            return defer.succeed(None)
-        else:
-            return self._push_presence_remote(srcuser, destuser.domain,
-                state=statuscache.get_state()
-            )
-
-    @defer.inlineCallbacks
-    def _send_presence_to_distribution(self, srcuser, localusers=set(),
-            remotedomains=set(), statuscache=None):
-
-        for u in localusers:
-            logger.debug(" | push to local user %s", u)
-            self.push_update_to_clients(
-                observer_user=u,
-                observed_user=srcuser,
-                statuscache=statuscache,
-            )
-
-        deferreds = []
-        for domain in remotedomains:
-            logger.debug(" | push to remote domain %s", domain)
-            deferreds.append(self._push_presence_remote(srcuser, domain,
-                state=statuscache.get_state())
-            )
-
-        yield defer.DeferredList(deferreds)
-
     @defer.inlineCallbacks
     def _push_presence_remote(self, user, destination, state=None):
         if state is None:
@@ -591,12 +588,17 @@ class PresenceHandler(BaseHandler):
                 self.clock.time_msec() - state.pop("mtime")
             )
 
+        user_state = {
+            "user_id": user.to_string(),
+        }
+        user_state.update(**state)
+
         yield self.federation.send_edu(
             destination=destination,
             edu_type="m.presence",
             content={
                 "push": [
-                    dict(user_id=user.to_string(), **state),
+                    user_state,
                 ],
             }
         )
@@ -615,12 +617,7 @@ class PresenceHandler(BaseHandler):
             rm_handler = self.homeserver.get_handlers().room_member_handler
             room_ids = yield rm_handler.get_rooms_for_user(user)
 
-            for room_id in room_ids:
-                yield rm_handler.fetch_room_distributions_into(
-                    room_id, localusers=observers, ignore_user=user
-                )
-
-            if not observers:
+            if not observers and not room_ids:
                 break
 
             state = dict(push)
@@ -636,12 +633,12 @@ class PresenceHandler(BaseHandler):
             self._user_cachemap_latest_serial += 1
             statuscache.update(state, serial=self._user_cachemap_latest_serial)
 
-            for observer_user in observers:
-                self.push_update_to_clients(
-                    observer_user=observer_user,
-                    observed_user=user,
-                    statuscache=statuscache,
-                )
+            self.push_update_to_clients(
+                observed_user=user,
+                users_to_push=observers,
+                room_ids=room_ids,
+                statuscache=statuscache,
+            )
 
             if state["state"] == PresenceState.OFFLINE:
                 del self._user_cachemap[user]
@@ -675,12 +672,53 @@ class PresenceHandler(BaseHandler):
 
         yield defer.DeferredList(deferreds)
 
-    def push_update_to_clients(self, observer_user, observed_user,
-                               statuscache):
-        statuscache.make_event(user=observed_user, clock=self.clock)
+    @defer.inlineCallbacks
+    def push_update_to_local_and_remote(self, observed_user,
+                                        users_to_push=[], room_ids=[],
+                                        remote_domains=[],
+                                        statuscache=None):
+
+        localusers, remoteusers = partitionbool(
+            users_to_push,
+            lambda u: u.is_mine
+        )
+
+        localusers = set(localusers)
+
+        self.push_update_to_clients(
+            observed_user=observed_user,
+            users_to_push=localusers,
+            room_ids=room_ids,
+            statuscache=statuscache,
+        )
+
+        remote_domains = set(remote_domains)
+        remote_domains |= set([r.domain for r in remoteusers])
+        for room_id in room_ids:
+            remote_domains.update(
+                (yield self.store.get_joined_hosts_for_room(room_id))
+            )
+
+        remote_domains.discard(self.hs.hostname)
+
+        deferreds = []
+        for domain in remote_domains:
+            logger.debug(" | push to remote domain %s", domain)
+            deferreds.append(
+                self._push_presence_remote(
+                    observed_user, domain, state=statuscache.get_state()
+                )
+            )
+
+        yield defer.DeferredList(deferreds)
+
+        defer.returnValue((localusers, remote_domains))
 
+    def push_update_to_clients(self, observed_user, users_to_push=[],
+                                 room_ids=[], statuscache=None):
         self.notifier.on_new_user_event(
-            [observer_user],
+            users_to_push,
+            room_ids,
         )