initial virtual sensor with protobuf

sensor-query-cli/main.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include <memory>
+#include <grpc/grpc.h>
+#include <grpcpp/channel.h>
+#include <grpcpp/client_context.h>
+#include <grpcpp/create_channel.h>
+#include <grpcpp/security/credentials.h>
+
+#include "sensor.pb.h"
+#include "sensor.grpc.pb.h"
+
+int main() {
+    auto channel = std::shared_ptr(grpc::CreateChannel("localhost:50051", grpc::InsecureChannelCredentials()));
+    auto stub = Sensor::NewStub(channel);
+
+    grpc::ClientContext context;
+
+    StatusRequest request;
+    SensorStatus status;
+    grpc::Status rpc_status = stub->get_status(&context, request, &status);
+
+    if( rpc_status.ok() ) {
+        std::cout << "Sensor Status:" << std::endl;
+        std::cout << status.DebugString() << std::endl;
+    } else {
+        std::cout << "get_status() failed" << std::endl;
+    }
+
+    return 0;
+}