Add message definitions for the parameter component

proto/ignition/msgs/parameter.proto

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * 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.
+ *
+*/
+
+syntax = "proto3";
+
+import "google/protobuf/any.proto";
+
+package ignition.msgs;
+option java_package = "com.ignition.msgs";
+
+/// \brief Representation of a parameter, used to request to set a parameter.
+message Parameter
+{
+  /// \brief Parameter name.
+  string name = 1;
+
+  /// \brief Serialized parameter value.
+  google.protobuf.Any value = 2;
+};

proto/ignition/msgs/parameter_declaration.proto

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+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * 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.
+ *
+*/
+
+syntax = "proto3";
+
+package ignition.msgs;
+option java_package = "com.ignition.msgs";
+
+import "ignition/msgs/parameter.proto";
+
+/// \brief Representation of a parameter declaration.
+message ParameterDeclaration
+{
+  /// \brief Parameter name.
+  string name = 1;
+
+  /// \brief Parameter type, i.e. the associated protobuf type.
+  string type = 2;
+};

proto/ignition/msgs/parameter_declarations.proto

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+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * 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.
+ *
+*/
+
+syntax = "proto3";
+
+package ignition.msgs;
+option java_package = "com.ignition.msgs";
+
+import "ignition/msgs/parameter_declaration.proto";
+
+/// \brief Collection of parameter declarations.
+message ParameterDeclarations
+{
+  /// \brief Parameter declarations.
+  repeated ParameterDeclaration parameter_declarations = 1;
+};

proto/ignition/msgs/parameter_error.proto

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * 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.
+ *
+*/
+
+syntax = "proto3";
+
+package ignition.msgs;
+option java_package = "com.ignition.msgs";
+
+/// \brief Parameter server errors for declare or set parameter.
+message ParameterError
+{
+  enum Type {
+    NO_ERROR = 0;
+    ALREADY_DECLARED = 1;
+    INVALID_TYPE = 2;
+    NOT_DECLARED = 3;
+  }
+  Type data = 1;
+};

proto/ignition/msgs/parameter_name.proto

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+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * 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.
+ *
+*/
+
+syntax = "proto3";
+
+package ignition.msgs;
+option java_package = "com.ignition.msgs";
+
+/// \brief Parameter name, used as a request to get a parameter.
+message ParameterName
+{
+  /// \brief Parameter name.
+  string name = 1;
+};

proto/ignition/msgs/parameter_value.proto

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+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * 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.
+ *
+*/
+
+syntax = "proto3";
+
+import "google/protobuf/any.proto";
+
+package ignition.msgs;
+option java_package = "com.ignition.msgs";
+
+/// \brief Representation of a parameter value, used as a response to get a parameter.
+message ParameterValue
+{
+  /// \brief Serialized protobuf message.
+  google.protobuf.Any data = 1;
+};