Files
HC900-Crawler/industrial-comm/cpp/include/modbus_tcp.hpp
windpacer 16fc7a2598 Initial commit: HC900 Crawler
Honeywell HC900을 Modbus TCP로 직접 폴링 → gRPC → C# 크롤러 → PostgreSQL.
기존 Experion OPC UA 데이터 경로를 HC900 직접 통신으로 대체.

- industrial-comm/cpp: C++ Modbus 게이트웨이 (gRPC 서버)
- src: C# .NET 8 ASP.NET Core 크롤러 + 웹 UI (3-Layer)
- mcp-server: Python FastMCP (RAG/NL2SQL/P&ID)
- 다중 컨트롤러(N-Controller) 지원

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-03 20:28:14 +09:00

62 lines
1.6 KiB
C++

#pragma once
#include "modbus_exception.hpp"
#include "itransport.hpp"
#include "transport_error.hpp"
#include <cstdint>
#include <vector>
#include <chrono>
#include <string>
class ModbusTCP : public ITransport {
public:
ModbusTCP();
~ModbusTCP() override;
bool connect(const char* host, std::uint16_t port) override;
void disconnect() override;
bool is_connected() const override;
TransportState state() const override { return state_; }
TransportError last_error() const override { return last_error_; }
bool read_registers(std::uint16_t addr,
std::uint16_t count,
std::vector<std::uint16_t>& out) override;
bool write_registers(std::uint16_t addr,
const std::vector<std::uint16_t>& values) override;
void poll() override; // watchdog
void reset() override;
private:
bool reconnect();
bool recv_all(void* buf, std::size_t len);
private:
// socket
int sock_;
std::uint16_t transaction_id_{0};
// connection info
std::string host_;
std::uint16_t port_{0};
// state machine
TransportState state_{TransportState::Disconnected};
TransportError last_error_{TransportError::None};
ModbusException exception_;
// watchdog
static constexpr int WATCHDOG_SEC = 5;
static constexpr int MAX_RETRY = 5;
static constexpr int FAULT_RESET_SEC = 30; // Fault 후 자동 리셋 대기
std::chrono::steady_clock::time_point last_ok_;
std::chrono::steady_clock::time_point fault_since_;
int retry_count_{0};
bool can_io() const;
};