60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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#pragma once
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#include "connection.h"
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#include "serialization.h"
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// I took this from the buffer size libuv uses for named pipes; I suspect ours would usually be much
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// smaller.
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constexpr size_t MaxRpcFrameSize = 64 * 1024;
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struct RpcConnection {
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enum class ErrorCode : int {
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Success = 0,
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PipeClosed = 1,
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ReadCorrupt = 2,
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};
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enum class Opcode : uint32_t {
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Handshake = 0,
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Frame = 1,
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Close = 2,
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Ping = 3,
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Pong = 4,
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};
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struct MessageFrameHeader {
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Opcode opcode;
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uint32_t length;
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};
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struct MessageFrame : public MessageFrameHeader {
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char message[MaxRpcFrameSize - sizeof(MessageFrameHeader)];
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};
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enum class State : uint32_t {
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Disconnected,
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SentHandshake,
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AwaitingResponse,
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Connected,
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};
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BaseConnection* connection{nullptr};
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State state{State::Disconnected};
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void (*onConnect)(JsonDocument& message){nullptr};
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void (*onDisconnect)(int errorCode, const char* message){nullptr};
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char appId[64]{};
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int lastErrorCode{0};
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char lastErrorMessage[256]{};
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RpcConnection::MessageFrame sendFrame;
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static RpcConnection* Create(const char* applicationId);
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static void Destroy(RpcConnection*&);
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inline bool IsOpen() const { return state == State::Connected; }
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void Open();
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void Close();
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bool Write(const void* data, size_t length);
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bool Read(JsonDocument& message);
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};
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