Adding to_error RPC

.github/pull_request_template.md

@@ -0,0 +1,26 @@
+# Description
+Addresses issue # 
+_Please include a summary of the change and which issue is fixed (if any). Please also
+include relevant motivation and context. List any dependencies that are required for
+this change._
+
+Fixes # (issue)
+
+## Type of change
+
+- [ ] Documentation (non-breaking change that adds or improves the documentation)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Optimization (non-breaking, back-end change that speeds up the code)
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] Breaking change (whatever its nature)
+
+## Key checklist
+
+- [ ] All tests pass (eg. `python -m pytest`)
+- [ ] Pre-commit hooks run successfully (eg. `pre-commit run --all-files`)
+
+## Further checks
+
+- [ ] Code is commented, particularly in hard-to-understand areas
+- [ ] Tests added or an issue has been opened to tackle that in the future.
+  (Indicate issue here: # (issue))

python_not_for_dunedaq/druncschema/controller_pb2_grpc.py

@@ -89,6 +89,11 @@ def __init__(self, channel):
                 request_serializer=druncschema_dot_request__response__pb2.Request.SerializeToString,
                 response_deserializer=druncschema_dot_request__response__pb2.Response.FromString,
                 _registered_method=True)
+        self.to_error = channel.unary_unary(
+                '/dunedaq.druncschema.Controller/to_error',
+                request_serializer=druncschema_dot_request__response__pb2.Request.SerializeToString,
+                response_deserializer=druncschema_dot_request__response__pb2.Response.FromString,
+                _registered_method=True)
 
 
 class ControllerServicer(object):
@@ -160,6 +165,12 @@ def who_is_in_charge(self, request, context):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
+    def to_error(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
 
 def add_ControllerServicer_to_server(servicer, server):
     rpc_method_handlers = {
@@ -218,6 +229,11 @@ def add_ControllerServicer_to_server(servicer, server):
                     request_deserializer=druncschema_dot_request__response__pb2.Request.FromString,
                     response_serializer=druncschema_dot_request__response__pb2.Response.SerializeToString,
             ),
+            'to_error': grpc.unary_unary_rpc_method_handler(
+                    servicer.to_error,
+                    request_deserializer=druncschema_dot_request__response__pb2.Request.FromString,
+                    response_serializer=druncschema_dot_request__response__pb2.Response.SerializeToString,
+            ),
     }
     generic_handler = grpc.method_handlers_generic_handler(
             'dunedaq.druncschema.Controller', rpc_method_handlers)
@@ -525,3 +541,30 @@ def who_is_in_charge(request,
             timeout,
             metadata,
             _registered_method=True)
+
+    @staticmethod
+    def to_error(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/dunedaq.druncschema.Controller/to_error',
+            druncschema_dot_request__response__pb2.Request.SerializeToString,
+            druncschema_dot_request__response__pb2.Response.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)

schema/druncschema/controller.proto

@@ -19,6 +19,8 @@ service Controller {
   rpc take_control               (Request) returns (Response) {}
   rpc surrender_control          (Request) returns (Response) {}
   rpc who_is_in_charge           (Request) returns (Response) {}
+
+  rpc to_error                   (Request) returns (Response) {}
 }
 
 message AddressedCommand {