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diff --git a/test/cpp/qps/perf_db_client.h b/test/cpp/qps/perf_db_client.h
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+/*
+ *
+ * Copyright 2015, Google Inc.
+ * 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 Google Inc. 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
+ * OWNER 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.
+ *
+ */
+
+#include <iostream>
+#include <memory>
+#include <string>
+#include <cfloat>
+
+#include <grpc/grpc.h>
+#include <grpc++/channel_arguments.h>
+#include <grpc++/channel_interface.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
+#include <grpc++/status.h>
+#include "test/cpp/qps/perf_db.grpc.pb.h"
+
+namespace grpc {
+namespace testing {
+
+// Manages data sending to performance database server
+class PerfDbClient {
+ public:
+  PerfDbClient() {
+    qps_ = DBL_MIN;
+    qps_per_core_ = DBL_MIN;
+    perc_lat_50_ = DBL_MIN;
+    perc_lat_90_ = DBL_MIN;
+    perc_lat_95_ = DBL_MIN;
+    perc_lat_99_ = DBL_MIN;
+    perc_lat_99_point_9_ = DBL_MIN;
+    server_system_time_ = DBL_MIN;
+    server_user_time_ = DBL_MIN;
+    client_system_time_ = DBL_MIN;
+    client_user_time_ = DBL_MIN;
+  }
+
+  void init(std::shared_ptr<ChannelInterface> channel) {
+    stub_ = PerfDbTransfer::NewStub(channel);
+  }
+
+  ~PerfDbClient() {}
+
+  // sets the client and server config information
+  void setConfigs(const ClientConfig& client_config,
+                  const ServerConfig& server_config);
+
+  // sets the qps
+  void setQps(double qps);
+
+  // sets the qps per core
+  void setQpsPerCore(double qps_per_core);
+
+  // sets the 50th, 90th, 95th, 99th and 99.9th percentile latency
+  void setLatencies(double perc_lat_50, double perc_lat_90,
+                    double perc_lat_95, double perc_lat_99,
+                    double perc_lat_99_point_9);
+
+  // sets the server and client, user and system times
+  void setTimes(double server_system_time, double server_user_time,
+                double client_system_time, double client_user_time);
+
+  // sends the data to the performance database server
+  bool sendData(std::string hashed_id, std::string test_name,
+                std::string sys_info, std::string tag);
+
+ private:
+  std::unique_ptr<PerfDbTransfer::Stub> stub_;
+  ClientConfig client_config_;
+  ServerConfig server_config_;
+  double qps_;
+  double qps_per_core_;
+  double perc_lat_50_;
+  double perc_lat_90_;
+  double perc_lat_95_;
+  double perc_lat_99_;
+  double perc_lat_99_point_9_;
+  double server_system_time_;
+  double server_user_time_;
+  double client_system_time_;
+  double client_user_time_;
+};
+
+}  // namespace testing
+}  // namespace grpc