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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.
+ *
+ */
+#ifndef GRPC_INTERNAL_CPP_EXT_PROTO_SERVER_REFLECTION_H
+#define GRPC_INTERNAL_CPP_EXT_PROTO_SERVER_REFLECTION_H
+
+#include <unordered_set>
+#include <vector>
+
+#include <grpc++/ext/reflection.grpc.pb.h>
+#include <grpc++/grpc++.h>
+
+namespace grpc {
+
+class ProtoServerReflection GRPC_FINAL
+    : public reflection::v1alpha::ServerReflection::Service {
+ public:
+  ProtoServerReflection();
+
+  // Add the full names of registered services
+  void SetServiceList(const std::vector<grpc::string>* services);
+
+  // implementation of ServerReflectionInfo(stream ServerReflectionRequest) rpc
+  // in ServerReflection service
+  Status ServerReflectionInfo(
+      ServerContext* context,
+      ServerReaderWriter<reflection::v1alpha::ServerReflectionResponse,
+                         reflection::v1alpha::ServerReflectionRequest>* stream)
+      GRPC_OVERRIDE;
+
+ private:
+  Status ListService(ServerContext* context,
+                     reflection::v1alpha::ListServiceResponse* response);
+
+  Status GetFileByName(ServerContext* context, const grpc::string& file_name,
+                       reflection::v1alpha::ServerReflectionResponse* response);
+
+  Status GetFileContainingSymbol(
+      ServerContext* context, const grpc::string& symbol,
+      reflection::v1alpha::ServerReflectionResponse* response);
+
+  Status GetFileContainingExtension(
+      ServerContext* context,
+      const reflection::v1alpha::ExtensionRequest* request,
+      reflection::v1alpha::ServerReflectionResponse* response);
+
+  Status GetAllExtensionNumbers(
+      ServerContext* context, const grpc::string& type,
+      reflection::v1alpha::ExtensionNumberResponse* response);
+
+  void FillFileDescriptorResponse(
+      const protobuf::FileDescriptor* file_desc,
+      reflection::v1alpha::ServerReflectionResponse* response,
+      std::unordered_set<grpc::string>* seen_files);
+
+  void FillErrorResponse(const Status& status,
+                         reflection::v1alpha::ErrorResponse* error_response);
+
+  const protobuf::DescriptorPool* descriptor_pool_;
+  const std::vector<string>* services_;
+};
+
+}  // namespace grpc
+
+#endif  // GRPC_INTERNAL_CPP_EXT_PROTO_SERVER_REFLECTION_H