DONE!!1one
diff --git a/include/grpc++/impl/codegen/rpc_service_method.h b/include/grpc++/impl/codegen/rpc_service_method.h
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+++ b/include/grpc++/impl/codegen/rpc_service_method.h
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+/*
+ *
+ * Copyright 2016, 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 GRPCXX_IMPL_CODEGEN_RPC_SERVICE_METHOD_H
+#define GRPCXX_IMPL_CODEGEN_RPC_SERVICE_METHOD_H
+
+#include <climits>
+#include <functional>
+#include <map>
+#include <memory>
+#include <vector>
+
+#include <grpc++/impl/codegen/config.h>
+#include <grpc++/impl/codegen/rpc_method.h>
+#include <grpc++/impl/codegen/status.h>
+
+namespace grpc {
+class ServerContext;
+class StreamContextInterface;
+
+// Base class for running an RPC handler.
+class MethodHandler {
+ public:
+ virtual ~MethodHandler() {}
+ struct HandlerParameter {
+ HandlerParameter(Call* c, ServerContext* context, grpc_byte_buffer* req,
+ int max_size)
+ : call(c),
+ server_context(context),
+ request(req),
+ max_message_size(max_size) {}
+ Call* call;
+ ServerContext* server_context;
+ // Handler required to grpc_byte_buffer_destroy this
+ grpc_byte_buffer* request;
+ int max_message_size;
+ };
+ virtual void RunHandler(const HandlerParameter& param) = 0;
+};
+
+// Server side rpc method class
+class RpcServiceMethod : public RpcMethod {
+ public:
+ // Takes ownership of the handler
+ RpcServiceMethod(const char* name, RpcMethod::RpcType type,
+ MethodHandler* handler)
+ : RpcMethod(name, type), server_tag_(nullptr), handler_(handler) {}
+
+ void set_server_tag(void* tag) { server_tag_ = tag; }
+ void* server_tag() const { return server_tag_; }
+ // if MethodHandler is nullptr, then this is an async method
+ MethodHandler* handler() const { return handler_.get(); }
+ void ResetHandler() { handler_.reset(); }
+
+ private:
+ void* server_tag_;
+ std::unique_ptr<MethodHandler> handler_;
+};
+
+} // namespace grpc
+
+#endif // GRPCXX_IMPL_CODEGEN_RPC_SERVICE_METHOD_H