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1 files changed, 40 insertions, 0 deletions

diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py
new file mode 100644
index 0000000000..5361cb7ec2
--- /dev/null
+++ b/synapse/util/__init__.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from twisted.internet import reactor
+
+import time
+
+
+class Clock(object):
+    """A small utility that obtains current time-of-day so that time may be
+    mocked during unit-tests.
+
+    TODO(paul): Also move the sleep() functionallity into it
+    """
+
+    def time(self):
+        """Returns the current system time in seconds since epoch."""
+        return time.time()
+
+    def time_msec(self):
+        """Returns the current system time in miliseconds since epoch."""
+        return self.time() * 1000
+
+    def call_later(self, delay, callback):
+        return reactor.callLater(delay, callback)
+
+    def cancel_call_later(self, timer):
+        timer.cancel()