v1.4.4

source/core/StarJsonRpc.hpp

@@ -0,0 +1,54 @@
+#ifndef STAR_JSON_RPC_HPP
+#define STAR_JSON_RPC_HPP
+
+#include "StarJson.hpp"
+#include "StarByteArray.hpp"
+#include "StarRpcPromise.hpp"
+
+namespace Star {
+
+STAR_CLASS(JsonRpcInterface);
+STAR_CLASS(JsonRpc);
+
+STAR_EXCEPTION(JsonRpcException, StarException);
+
+typedef function<Json(Json const&)> JsonRpcRemoteFunction;
+
+typedef StringMap<JsonRpcRemoteFunction> JsonRpcHandlers;
+
+// Simple interface to just the method invocation part of JsonRpc.
+class JsonRpcInterface {
+public:
+  virtual ~JsonRpcInterface();
+  virtual RpcPromise<Json> invokeRemote(String const& handler, Json const& arguments) = 0;
+};
+
+// Simple class to handle remote methods based on Json types.  Does not
+// handle any of the network details, simply turns rpc calls into ByteArray
+// messages to be sent and received.
+class JsonRpc : public JsonRpcInterface {
+public:
+  JsonRpc();
+
+  void registerHandler(String const& handler, JsonRpcRemoteFunction func);
+  void registerHandlers(JsonRpcHandlers const& handlers);
+
+  void removeHandler(String const& handler);
+  void clearHandlers();
+
+  RpcPromise<Json> invokeRemote(String const& handler, Json const& arguments) override;
+
+  bool sendPending() const;
+  ByteArray send();
+  void receive(ByteArray const& inbuffer);
+
+private:
+  JsonRpcHandlers m_handlers;
+  Map<uint64_t, RpcPromiseKeeper<Json>> m_pendingResponse;
+  List<Json> m_pending;
+  uint64_t m_requestId;
+};
+
+}
+
+#endif