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-rw-r--r--synapse/handlers/register.py9
-rw-r--r--synapse/storage/__init__.py26
2 files changed, 18 insertions, 17 deletions
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index f46b8355c0..cc935a5e84 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -144,7 +144,7 @@ class RegistrationHandler(BaseHandler):
         Raises:
             RegistrationError if there was a problem registering.
         """
-        self._check_mau_limits()
+        yield self._check_mau_limits()
         password_hash = None
         if password:
             password_hash = yield self.auth_handler().hash(password)
@@ -289,7 +289,7 @@ class RegistrationHandler(BaseHandler):
                 400,
                 "User ID can only contain characters a-z, 0-9, or '=_-./'",
             )
-        self._check_mau_limits()
+        yield self._check_mau_limits()
         user = UserID(localpart, self.hs.hostname)
         user_id = user.to_string()
 
@@ -439,7 +439,7 @@ class RegistrationHandler(BaseHandler):
         """
         if localpart is None:
             raise SynapseError(400, "Request must include user id")
-        self._check_mau_limits()
+        yield self._check_mau_limits()
         need_register = True
 
         try:
@@ -534,13 +534,14 @@ class RegistrationHandler(BaseHandler):
             action="join",
         )
 
+    @defer.inlineCallbacks
     def _check_mau_limits(self):
         """
         Do not accept registrations if monthly active user limits exceeded
          and limiting is enabled
         """
         if self.hs.config.limit_usage_by_mau is True:
-            current_mau = self.store.count_monthly_users()
+            current_mau = yield self.store.count_monthly_users()
             if current_mau >= self.hs.config.max_mau_value:
                 raise RegistrationError(
                     403, "MAU Limit Exceeded", Codes.MAU_LIMIT_EXCEEDED
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 4747118ed7..f9682832ca 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -273,24 +273,24 @@ class DataStore(RoomMemberStore, RoomStore,
         This method should be refactored with count_daily_users - the only
         reason not to is waiting on definition of mau
         returns:
-            int: count of current monthly active users
+            defered: resolves to int
         """
+        def _count_monthly_users(txn):
+            thirty_days_ago = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30)
+            sql = """
+                SELECT COALESCE(count(*), 0) FROM (
+                    SELECT user_id FROM user_ips
+                    WHERE last_seen > ?
+                    GROUP BY user_id
+                ) u
+            """
 
-        thirty_days_ago = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30)
-        sql = """
-            SELECT COALESCE(count(*), 0) FROM (
-                SELECT user_id FROM user_ips
-                WHERE last_seen > ?
-                GROUP BY user_id
-            ) u
-        """
-        try:
-            txn = self.db_conn.cursor()
             txn.execute(sql, (thirty_days_ago,))
             count, = txn.fetchone()
+            print "Count is %d" % (count,)
             return count
-        finally:
-            txn.close()
+
+        return self.runInteraction("count_monthly_users", _count_monthly_users)
 
     def count_r30_users(self):
         """