From 35d15855172bb559fc6817745dee672f5e9b8d80 Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期五, 25 八月 2023 21:05:26 +0800
Subject: [PATCH] 2秒钟请求一次完成量并存储
---
service/plc.go | 45 ++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 42 insertions(+), 3 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index 582f0f3..73e8f33 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -8,6 +8,7 @@
"encoding/binary"
"errors"
"fmt"
+ "sync"
)
func PlcRead(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType) (val interface{}, err error) {
@@ -29,13 +30,13 @@
conn, err := plc.GetModbusConnection(ipAddr)
if err != nil {
- logx.Errorf("GetProductProgress 杩炴帴plc澶辫触: %v", err.Error())
+ logx.Errorf("PlcRead 杩炴帴plc澶辫触: %v", err.Error())
return
}
rawData, err := plc.ReadHoldingRegister(conn, startAddress, dataLength)
if err != nil {
- logx.Errorf("GetProductProgress 鑾峰彇plc鏁版嵁澶辫触: %v", err.Error())
+ logx.Errorf("PlcRead 鑾峰彇plc鏁版嵁澶辫触: %v", err.Error())
return
}
switch valueType {
@@ -62,7 +63,7 @@
conn, err := plc.GetModbusConnection(ipAddr)
if err != nil {
- logx.Errorf("GetProductProgress 杩炴帴plc澶辫触: %v", err.Error())
+ logx.Errorf("PlcWrite 杩炴帴plc澶辫触: %v", err.Error())
return
}
@@ -74,3 +75,41 @@
logx.Infof("plc write ok, address: %v, value: %v, result: %v", startAddress, value, result)
return
}
+
+type CacheStore struct {
+ cache map[string]interface{}
+ mu sync.Mutex
+}
+
+var defaultCacheStore *CacheStore
+
+func init() {
+ defaultCacheStore = newCacheManager()
+}
+func newCacheManager() *CacheStore {
+ return &CacheStore{
+ cache: make(map[string]interface{}),
+ }
+}
+
+func (cm *CacheStore) Get(key string) (interface{}, bool) {
+ cm.mu.Lock()
+ defer cm.mu.Unlock()
+
+ conn, ok := cm.cache[key]
+ return conn, ok
+}
+
+func (cm *CacheStore) Add(key string, value interface{}) {
+ cm.mu.Lock()
+ defer cm.mu.Unlock()
+ cm.cache[key] = value
+}
+
+func PlcCacheGet(key string) (interface{}, bool) {
+ return defaultCacheStore.Get(key)
+}
+
+func PlcCacheSet(key string, value interface{}) {
+ defaultCacheStore.Add(key, value)
+}
--
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