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diff --git a/src/gnmi/gnmiserver.h b/src/gnmi/gnmiserver.h
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+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef GNMISERVER_H
+#define GNMISERVER_H
+
+#include <grpcpp/grpcpp.h>
+
+#include "gnmi.pb.h"
+#include "gnmi.grpc.pb.h"
+#include "sysrepoapi.h"
+#include "gnmidata.h"
+#include "eventreciverbase.h"
+
+#include <string>
+
+using grpc::Server;
+using grpc::ServerBuilder;
+using grpc::ServerContext;
+using grpc::ServerReaderWriter;
+using grpc::Status;
+
+using gnmi::gNMI;
+using gnmi::CapabilityRequest;
+using gnmi::CapabilityResponse;
+using gnmi::GetRequest;
+using gnmi::GetResponse;
+using gnmi::SetRequest;
+using gnmi::SetResponse;
+using gnmi::SubscribeRequest;
+using gnmi::SubscribeResponse;
+
+/**
+ * @todo write docs
+ */
+class gNMIServer final : public gNMI::Service,
+                                        public virtual EventReceiver<SysrepoAPI>
+{
+public:
+    gNMIServer(SysrepoAPI &sysrepo);
+
+    Status Capabilities(ServerContext* context,
+                        const CapabilityRequest* request,
+                        CapabilityResponse* reply) override;
+    Status Get(ServerContext* context, const GetRequest* request,
+               GetResponse* reply) override;
+    Status Set(ServerContext* context, const SetRequest* request,
+               SetResponse* reply) override;
+    Status Subscribe(ServerContext* context,
+                     ServerReaderWriter<SubscribeResponse,
+                     SubscribeRequest>* stream) override;
+
+    void receiveWriteEvent(SysrepoAPI * psender) override;
+
+private:
+    void parsePathMsg(const gnmi::Path &path);
+    void printPath(const gnmi::Path &path);
+    std::string convertToXPath(const gnmi::Path &path);
+
+    void subscibeList(const gnmi::SubscriptionList &slist);
+
+    void handleUpdateMessage(const gnmi::Update &msg);
+    void handleTypeValueMsg(const gnmi::TypedValue &msg);
+
+    void xpathTogNMIEl(const std::string &str, gnmi::Path &path);
+
+    uint64_t getTimeNanosec();
+
+private:
+    SysrepoAPI &sysrepo;
+    gNMIData vData;
+    std::string dataPrefix;
+};
+
+#endif // GNMISERVER_H