1 files changed, 18 insertions, 0 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index bef1508892..414a5b7bd5 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 trace_function, 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
+    @trace_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")
 
@@ -237,10 +248,12 @@ class PresenceHandler(BaseHandler):
 
         self.push_presence(user, statuscache=statuscache)
 
+    @trace_function
     def started_user_eventstream(self, user):
         # TODO(paul): Use "last online" state
         self.set_state(user, user, {"state": PresenceState.ONLINE})
 
+    @trace_function
     def stopped_user_eventstream(self, user):
         # TODO(paul): Save current state as "last online" state
         self.set_state(user, user, {"state": PresenceState.OFFLINE})
@@ -374,6 +387,7 @@ class PresenceHandler(BaseHandler):
         defer.returnValue(presence)
 
     @defer.inlineCallbacks
+    @trace_function
     def start_polling_presence(self, user, target_user=None, state=None):
         logger.debug("Start polling for presence from %s", user)
 
@@ -455,6 +469,7 @@ class PresenceHandler(BaseHandler):
             content={"poll": [u.to_string() for u in to_poll]}
         )
 
+    @trace_function
     def stop_polling_presence(self, user, target_user=None):
         logger.debug("Stop polling for presence from %s", user)
 
@@ -494,6 +509,7 @@ class PresenceHandler(BaseHandler):
             if not self._local_pushmap[localpart]:
                 del self._local_pushmap[localpart]
 
+    @trace_function
     def _stop_polling_remote(self, user, domain, remoteusers):
         to_unpoll = set()
 
@@ -514,6 +530,7 @@ class PresenceHandler(BaseHandler):
         )
 
     @defer.inlineCallbacks
+    @trace_function
     def push_presence(self, user, statuscache):
         assert(user.is_mine)
 
@@ -556,6 +573,7 @@ class PresenceHandler(BaseHandler):
             )
 
     @defer.inlineCallbacks
+    @trace_function
     def _send_presence_to_distribution(self, srcuser, localusers=set(),
             remotedomains=set(), statuscache=None):