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