QPID-3858: Initial checkin of async interface implementation and test harness.

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/asyncstore@1336220 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 58 insertions, 0 deletions

diff --git a/cpp/src/tests/storePerfTools/common/ScopedTimer.cpp b/cpp/src/tests/storePerfTools/common/ScopedTimer.cpp
new file mode 100644
index 0000000000..8312174cad
--- /dev/null
+++ b/cpp/src/tests/storePerfTools/common/ScopedTimer.cpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+/**
+ * \file ScopedTimer.cpp
+ */
+
+#include "ScopedTimer.h"
+
+#include "ScopedTimable.h"
+
+namespace tests {
+namespace storePerftools {
+namespace common {
+
+ScopedTimer::ScopedTimer(double& elapsed) :
+        m_elapsed(elapsed)
+{
+    ::clock_gettime(CLOCK_REALTIME, &m_startTime);
+}
+
+ScopedTimer::ScopedTimer(ScopedTimable& st) :
+        m_elapsed(st.getElapsedRef())
+{
+    ::clock_gettime(CLOCK_REALTIME, &m_startTime);
+}
+
+ScopedTimer::~ScopedTimer()
+{
+    ::timespec stopTime;
+    ::clock_gettime(CLOCK_REALTIME, &stopTime);
+    m_elapsed = _s_getDoubleTime(stopTime) - _s_getDoubleTime(m_startTime);
+}
+
+// static
+double ScopedTimer::_s_getDoubleTime(const ::timespec& ts)
+{
+    return ts.tv_sec + (double(ts.tv_nsec) / 1e9);
+}
+
+
+}}} // namespace tests::storePerftools::common