Make it work with newer versions of gRPC

Author: ktf

occ/plugin/litestructs/EventStream.h

@@ -90,7 +90,7 @@ class SerializationTraits<OccLite::nopb::EventStreamRequest, void>
     {
         *buffer = *source.JsonMessage::SerializeToByteBuffer();
         *own_buffer = true;
-        return g_core_codegen_interface->ok();
+        return Status::OK;
     }
 };
 
@@ -111,7 +111,7 @@ class SerializationTraits<OccLite::nopb::EventStreamResponse, void>
     {
         *buffer = *source.JsonMessage::SerializeToByteBuffer();
         *own_buffer = true;
-        return g_core_codegen_interface->ok();
+        return Status::OK;
     }
 };
 

occ/plugin/litestructs/GetState.h

@@ -73,7 +73,7 @@ class SerializationTraits<OccLite::nopb::GetStateRequest, void>
     {
         *buffer = *source.JsonMessage::SerializeToByteBuffer();
         *own_buffer = true;
-        return g_core_codegen_interface->ok();
+        return Status::OK;
     }
 };
 
@@ -94,7 +94,7 @@ class SerializationTraits<OccLite::nopb::GetStateResponse, void>
     {
         *buffer = *source.JsonMessage::SerializeToByteBuffer();
         *own_buffer = true;
-        return g_core_codegen_interface->ok();
+        return Status::OK;
     }
 };
 

occ/plugin/litestructs/JsonMessage.cxx

@@ -23,6 +23,7 @@
  */
 
 #include "JsonMessage.h"
+#include <grpc/slice.h>
 
 
 std::string OccLite::nopb::JsonMessage::Serialize() const
@@ -72,7 +73,7 @@ bool OccLite::nopb::JsonMessage::Deserialize(::grpc::ByteBuffer* byte_buffer)
         auto rawSlice = sl->c_slice();
         std::string str = grpc::StringFromCopiedSlice(rawSlice);
         ss << str;
-        ::grpc::g_core_codegen_interface->grpc_slice_unref(rawSlice);
+        ::grpc_slice_unref(rawSlice);
     }
 
     OLOG(detail) << "Deserialized JsonMessage: " << ss.str();

occ/plugin/litestructs/Transition.h

@@ -95,7 +95,7 @@ class SerializationTraits<OccLite::nopb::TransitionRequest, void>
     {
         *buffer = *source.JsonMessage::SerializeToByteBuffer();
         *own_buffer = true;
-        return g_core_codegen_interface->ok();
+        return Status::OK;
     }
 };
 
@@ -116,7 +116,7 @@ class SerializationTraits<OccLite::nopb::TransitionResponse, void>
     {
         *buffer = *source.JsonMessage::SerializeToByteBuffer();
         *own_buffer = true;
-        return g_core_codegen_interface->ok();
+        return Status::OK;
     }
 };