Intermediate changes

commit_hash:f6585ac2d5f2d7ef51345aca8f03d7f00f61dee6

yt/yt/core/rpc/unittests/bin/main.cpp

@@ -13,17 +13,36 @@ using namespace NYT::NBus;
 using namespace NYT::NRpc;
 using namespace NYT::NRpc::NBus;
 using namespace NYT::NConcurrency;
+using namespace NYT::NYson;
+using namespace NYT::NYTree;
+
+static const auto Logger = NLogging::TLogger("RpcTestServer");
 
 int main(int argc, char* argv[])
 {
     try {
         if (argc != 2) {
-            THROW_ERROR_EXCEPTION("Port argument is missing");
+            THROW_ERROR_EXCEPTION("Config argument is missing. Pass empty string to get config schema.");
+        }
+
+        TYsonStringBuf configText(argv[1]);
+        auto busConfig = New<TBusServerConfig>();
+
+        if (configText.AsStringBuf().Empty()) {
+            TYsonWriter writer(&Cout, EYsonFormat::Pretty);
+            busConfig->WriteSchema(&writer);
+            Cout << Endl;
+            return 1;
         }
 
-        auto port = FromString<int>(argv[1]);
+        // FIXME(khlebnikov): ConvertTo does not allow to set UnrecognizedStrategy.
+        // busConfig = ConvertTo<TBusServerConfigPtr>(config);
+
+        busConfig->SetUnrecognizedStrategy(EUnrecognizedStrategy::ThrowRecursive);
+        Deserialize(*busConfig, ConvertToNode(configText));
+
+        YT_LOG_INFO("Config: %v", ConvertToYsonString(busConfig, EYsonFormat::Text));
 
-        auto busConfig = TBusServerConfig::CreateTcp(port);
         auto busServer = CreateBusServer(busConfig);
         auto server = CreateBusServer(busServer);