Implement both Publisher and Subscriber.
diff --git a/examples/tips/publisher.h b/examples/tips/publisher.h
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+++ b/examples/tips/publisher.h
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+/*
+ *
+ * Copyright 2014, 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.
+ *
+ */
+
+#ifndef __GRPCPP_EXAMPLES_TIPS_PUBLISHER_H_
+#define __GRPCPP_EXAMPLES_TIPS_PUBLISHER_H_
+
+#include <grpc++/channel_interface.h>
+#include <grpc++/status.h>
+
+#include "examples/tips/pubsub.pb.h"
+
+namespace grpc {
+namespace examples {
+namespace tips {
+
+class Publisher {
+ public:
+ Publisher(std::shared_ptr<grpc::ChannelInterface> channel);
+ void Shutdown();
+
+ Status CreateTopic(grpc::string topic);
+ Status GetTopic(grpc::string topic);
+ Status DeleteTopic(grpc::string topic);
+ Status ListTopics();
+
+ Status Publish(const grpc::string& topic, const grpc::string& data);
+
+ private:
+ std::unique_ptr<tech::pubsub::PublisherService::Stub> stub_;
+};
+
+} // namespace tips
+} // namespace examples
+} // namespace grpc
+
+#endif // __GRPCPP_EXAMPLES_TIPS_PUBLISHER_H_