64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
/*
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* Copyright (c) 2025 Beijing Hardman Automation Equipment Co., LTD. All rights reserved.
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*
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* Project: adapter
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* File: signal.go
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* Last: 2025-01-11 11:22:28
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* Author: wangcheng@bj-hardman.com
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*/
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package preload
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import (
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"context"
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"log/slog"
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"sync"
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"bj_power_mes/ent"
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"bjhardman.cn/bjhardman/goplc/s7"
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)
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var (
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signals = make(map[string]MAddress)
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signalsMu sync.RWMutex
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)
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func Init(entClient *ent.Client) {
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slog.Info("start to preload signals")
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ss, err := entClient.Signal.Query().All(context.Background())
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if err != nil {
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slog.Error("查询信号数据失败", "error", err.Error())
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panic(err)
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}
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loaded := make(map[string]MAddress, len(ss))
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validSignals := 0
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for _, s := range ss {
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addr, err := s7.ParseAddress(s.Address)
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if err != nil {
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slog.Error("解析PLC地址失败，跳过该信号", "signal", s.Name, "address", s.Address, "error", err.Error())
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panic(err)
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}
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loaded[s.Name] = MAddress{
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Name: s.Name,
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Desc: s.Description,
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Addr: *addr,
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ReplyOffset: s.ReplyOffset,
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}
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validSignals++
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}
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signalsMu.Lock()
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signals = loaded
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signalsMu.Unlock()
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slog.Info("preload signals successfully", "total", len(ss), "valid", validSignals)
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}
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func GetMAddress(name string) MAddress {
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signalsMu.RLock()
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defer signalsMu.RUnlock()
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return signals[name]
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}
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