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diff --git a/src/components/protocol_handler/include/protocol_handler/time_metric_observer.h b/src/components/protocol_handler/include/protocol_handler/time_metric_observer.h
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+++ b/src/components/protocol_handler/include/protocol_handler/time_metric_observer.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2014, Ford Motor Company
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SRC_COMPONENTS_PROTOCOL_HANDLER_INCLUDE_PROTOCOL_HANDLER_TIME_METRIC_OBSERVER_H_
+#define SRC_COMPONENTS_PROTOCOL_HANDLER_INCLUDE_PROTOCOL_HANDLER_TIME_METRIC_OBSERVER_H_
+#include "protocol/common.h"
+
+#include <stdint.h>
+#include "utils/date_time.h"
+
+namespace protocol_handler {
+
+class PHMetricObserver {
+ public:
+  struct MessageMetric {
+    RawMessagePtr raw_msg;
+    uint32_t message_id;
+    uint8_t connection_key;
+    TimevalStruct begin;
+    TimevalStruct end;
+  };
+  virtual void StartMessageProcess(uint32_t message_id, const TimevalStruct &start_time) = 0;
+  virtual void EndMessageProcess(utils::SharedPtr<MessageMetric> m) = 0;
+  virtual ~PHMetricObserver(){}
+};
+}  // protocol_handler
+#endif  // SRC_COMPONENTS_PROTOCOL_HANDLER_INCLUDE_PROTOCOL_HANDLER_TIME_METRIC_OBSERVER_H_