1 files changed, 98 insertions, 0 deletions
diff --git a/src/components/rpc_base/include/rpc_base/rpc_message.h b/src/components/rpc_base/include/rpc_base/rpc_message.h
new file mode 100644
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+++ b/src/components/rpc_base/include/rpc_base/rpc_message.h
@@ -0,0 +1,98 @@
+/**
+* Copyright (c) 2014, Ford Motor Company
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* Redistributions of source code must retain the above copyright notice, this
+* list of conditions and the following disclaimer.
+*
+* Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following
+* disclaimer in the documentation and/or other materials provided with the
+* distribution.
+*
+* Neither the name of the Ford Motor Company nor the names of its contributors
+* may be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef TYPE_BASE_H_
+#define TYPE_BASE_H_
+
+#include "rpc_base.h"
+
+namespace Json {
+class Value;
+}
+
+namespace rpc {
+
+enum MessageType {
+  kRequest = 0,
+  kResponse = 1,
+  kNotification = 2
+};
+
+// Base class for all RPC messages
+// Has methods to identify interface this message belongs to
+// And message ID
+class Message {
+public:
+  // Type of message
+  virtual MessageType message_type() const = 0;
+  // Numerical function identifier, unique to the interface
+  // Responses share function identifier with corresponding requests
+  virtual int32_t function_id() const = 0;
+  // Function string identifier as specified in original xml file
+  virtual const char* function_string_id() const = 0;
+  // Interface name as specified in original xml file
+  virtual const char* interface_string_id() const = 0;
+  // Serializes message to Json::Value
+  virtual Json::Value ToJsonValue() const = 0;
+  virtual ~Message() {}
+};
+
+// Base class for all interface-specific requests
+class RequestBase : public Message, public CompositeType {
+ public:
+  explicit RequestBase(InitializationState init_state): CompositeType(init_state) {}
+  // Message interface
+  MessageType message_type() const { return kRequest; }
+  virtual ~RequestBase() {}
+};
+
+// Base class for all interface-specific responses
+class ResponseBase : public Message, public CompositeType {
+ public:
+  ResponseBase(InitializationState init_state): CompositeType(init_state) {}
+  // Message interface
+  MessageType message_type() const { return kResponse; }
+  virtual ~ResponseBase() {}
+};
+
+// Base class for all interface-specific notifications
+class NotificationBase : public Message, public CompositeType {
+ public:
+  explicit NotificationBase(InitializationState init_state): CompositeType(init_state) {}
+  MessageType message_type() const { return kNotification; }
+  // Message interface
+  virtual ~NotificationBase() {}
+};
+
+}  // namespace rpc
+
+#endif /* TYPE_BASE_H_ */