From 8324f872ef3a4d0c978a9b1d062800c6a1701c12 Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期五, 01 十二月 2023 09:58:17 +0800
Subject: [PATCH] fix
---
service/plc.go | 234 ++++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 171 insertions(+), 63 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index e2a3990..c577998 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -4,19 +4,25 @@
"apsClient/conf"
"apsClient/constvar"
"apsClient/model"
+ "apsClient/model/common"
"apsClient/pkg/logx"
+ "apsClient/pkg/plc"
"apsClient/pkg/plc/apacheplc4x"
+ "apsClient/pkg/plc/modbusx"
"apsClient/pkg/plccom"
"encoding/binary"
"errors"
"fmt"
"github.com/spf13/cast"
+ "sync"
)
-func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, position int, value interface{}) (err error) {
+// 涓插彛涓嶆敮鎸佸苟琛岃鍐欙紝鎵�浠ラ渶瑕佸姞涓攣锛岄槻姝imeout鍜岃祫婧愪笉鍙敤鎶ラ敊
+var lock sync.Mutex
+
+func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, channel int32, value interface{}) (err error) {
var (
startAddress int
- ipAddr string
)
if plcConfig.CurrentTryTimes > plcConfig.MaxTryTimes {
@@ -25,60 +31,34 @@
plcConfig.CurrentTryTimes++
for _, pc := range plcConfig.Details {
- if pc.FieldName == fieldType && pc.Position == position {
+ if pc.FieldName == fieldType && pc.Channel == channel {
startAddress = pc.StartAddress
}
}
-
- if plcConfig.Method == constvar.PlcMethodModbusTCP {
- ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- //conn, err := plc.GetModbusConnection(ipAddr)
- //if err != nil {
- // logx.Errorf("plc write failed, 杩炴帴plc澶辫触: %v", err.Error())
- // plcConfig.CurrentErr = err
- // return PlcWrite(plcConfig, fieldType, position, value)
- //}
- //
- //result, err := plc.WriteHoldingRegister(conn, startAddress, value)
-
- //err = modbusx.Write(ipAddr, uint16(startAddress), value)
-
- _, err = apacheplc4x.WriteHoldingRegister(ipAddr, startAddress, value)
-
- if err != nil {
- logx.Errorf("plc write failed, address: %v, value: %v, err: %v", startAddress, value, err.Error())
- plcConfig.CurrentErr = err
- return PlcWrite(plcConfig, fieldType, position, value)
- }
- logx.Infof("plc write ok, address: %v, value: %v", startAddress, value)
- } else if plcConfig.Method == constvar.PlcMethodSerial {
- ipAddr = conf.Conf.Services.Serial
- if ipAddr == "" {
- return errors.New("conf.Conf.Services.Serial config not set yet")
- }
- label := fmt.Sprintf("D%d", startAddress)
- return plccom.WritePLC(plccom.DeviceTypeMitsubishi, ipAddr, label, cast.ToInt(value))
- }
- return
+ return PlcWriteDirect(plcConfig, startAddress, value)
}
func PlcWriteDirect(plcConfig *model.DevicePlc, address int, value interface{}) (err error) {
+ lock.Lock()
+ defer lock.Unlock()
var (
ipAddr string
)
+ defer func() {
+ dealErr(err)
+ }()
if plcConfig.Method == constvar.PlcMethodModbusTCP {
ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- //conn, err := plc.GetModbusConnection(ipAddr)
- //if err != nil {
- // logx.Errorf("plc write failed, 杩炴帴plc澶辫触: %v", err.Error())
- // plcConfig.CurrentErr = err
- // return PlcWriteDirect(plcConfig, address, value)
- //}
- //result, err := plc.WriteHoldingRegister(conn, address, value)
+ err = WriteByModbusTCP(ipAddr, address, value)
- //err = modbusx.Write(ipAddr, uint16(address), value)
-
- _, err = apacheplc4x.WriteHoldingRegister(ipAddr, address, value)
+ if err != nil {
+ logx.Errorf("plc write failed, address: %v, value: %v, err: %v", address, value, err.Error())
+ return err
+ }
+ logx.Infof("plc write ok, address: %v, value: %v", address, value)
+ } else if plcConfig.Method == constvar.PlcMethodModbusRTU {
+ ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
+ err = WriteByModbusRTU(plcConfig, address, value)
if err != nil {
logx.Errorf("plc write failed, address: %v, value: %v, err: %v", address, value, err.Error())
@@ -97,44 +77,172 @@
}
func PlcReadDirect(plcConfig *model.DevicePlc, address int, dataLength int, valueType constvar.PlcStartAddressValueType) (val interface{}, err error) {
+ lock.Lock()
+ defer lock.Unlock()
var (
ipAddr string
)
- if plcConfig.Method == constvar.PlcMethodModbusTCP {
- ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- //conn, err := plc.GetModbusConnection(ipAddr)
- //if err != nil {
- // plcConfig.CurrentErr = err
- // return PlcReadDirect(plcConfig, address, dataLength, valueType)
- //}
- //value, err := plc.ReadHoldingRegister(conn, address, dataLength)
-
- //value, err := modbusx.Read(ipAddr, uint16(address), uint16(dataLength))
-
- value, err := apacheplc4x.ReadHoldingRegister(ipAddr, address, dataLength)
-
- if err != nil {
- return nil, err
+ defer func() {
+ dealErr(err)
+ }()
+ if plcConfig.Method == constvar.PlcMethodModbusTCP || plcConfig.Method == constvar.PlcMethodModbusRTU {
+ var value []byte
+ if plcConfig.Method == constvar.PlcMethodModbusTCP {
+ ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
+ value, err = ReadByModbusTCP(ipAddr, address, dataLength)
+ if err != nil {
+ return nil, err
+ }
+ } else {
+ value, err = ReadByModbusRTU(plcConfig, address, dataLength)
+ if err != nil {
+ return nil, err
+ }
}
+
switch valueType {
case constvar.PlcStartAddressValueTypeString:
return string(value), nil
- case constvar.PlcStartAddressValueTypeInt:
+ case constvar.PlcStartAddressValueTypeInt32:
if len(value) == 2 {
- return int(binary.BigEndian.Uint16(value)), nil
+ val = binary.BigEndian.Uint16(value)
+ } else if len(value) == 4 {
+ val = binary.BigEndian.Uint32(value)
+ } else {
+ logx.Errorf("plc read get an unknown int value: %v, address:%v", value, address)
+ return nil, errors.New(fmt.Sprintf("unknown int value锛�%v", value))
+ }
+ default:
+ if len(value) == 2 {
+ val = binary.BigEndian.Uint16(value)
+ } else if len(value) == 4 {
+ low16Val := uint32(binary.BigEndian.Uint16(value[:2]))
+ high16 := uint32(binary.BigEndian.Uint16(value[2:])) << 16
+ val = low16Val + high16
} else {
logx.Errorf("plc read get an unknown int value: %v, address:%v", value, address)
return nil, errors.New(fmt.Sprintf("unknown int value锛�%v", value))
}
}
- logx.Infof("plc read ok, address: %v, result: %v", address, value)
+ logx.Infof("plc read ok, address: %v, result: %v, dataLength: %v, value: %v", address, val, dataLength, value)
+ return val, nil
} else if plcConfig.Method == constvar.PlcMethodSerial {
ipAddr = conf.Conf.Services.Serial
if ipAddr == "" {
return nil, errors.New("conf.Conf.Services.Serial config not set yet")
}
label := fmt.Sprintf("D%d", address)
- return plccom.ReadPLC(plccom.DeviceTypeMitsubishi, ipAddr, label)
+ return plccom.ReadPLC(plccom.DeviceTypeMitsubishi, ipAddr, label, dataLength)
+ }
+ return
+}
+
+func ReadByModbusTCP(ipAddr string, address, length int) ([]byte, error) {
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ return apacheplc4x.ReadHoldingRegister(ipAddr, address, length)
+ } else if conf.Conf.PLC.Package == constvar.PlcPackageApacheLongConnection {
+ conn, err := plc.GetModbusConnection(ipAddr)
+ if err != nil {
+ return nil, err
+ }
+ return plc.ReadHoldingRegister(conn, address, length)
+ } else {
+ return modbusx.Read(ipAddr, uint16(address), uint16(length))
+ }
+}
+
+func WriteByModbusTCP(ipAddr string, address int, value any) (err error) {
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ _, err = apacheplc4x.WriteHoldingRegister(ipAddr, address, value)
+ return err
+ } else if conf.Conf.PLC.Package == constvar.PlcPackageApacheLongConnection {
+ conn, err := plc.GetModbusConnection(ipAddr)
+ if err != nil {
+ return err
+ }
+ _, err = plc.WriteHoldingRegister(conn, address, value)
+ return err
+ } else {
+ return modbusx.Write(ipAddr, uint16(address), cast.ToInt(value))
+ }
+}
+
+func ReadByModbusRTU(plcConfig *model.DevicePlc, address, length int) ([]byte, error) {
+ rtuConfig := &common.RTUConfig{
+ BaudRate: plcConfig.BaudRate,
+ SerialName: plcConfig.SerialName,
+ DataBit: plcConfig.DataBit,
+ StopBit: plcConfig.StopBit,
+ Parity: plcConfig.Parity,
+ }
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ return apacheplc4x.ReadHoldingRegisterByRTU(rtuConfig, address, length)
+ } else {
+ return modbusx.ReadByRTU(rtuConfig, uint16(address), uint16(length))
+ }
+}
+
+func WriteByModbusRTU(plcConfig *model.DevicePlc, address int, value any) (err error) {
+ rtuConfig := &common.RTUConfig{
+ BaudRate: plcConfig.BaudRate,
+ SerialName: plcConfig.SerialName,
+ DataBit: plcConfig.DataBit,
+ StopBit: plcConfig.StopBit,
+ Parity: plcConfig.Parity,
+ }
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ _, err = apacheplc4x.WriteHoldingRegisterByRTU(rtuConfig, address, value)
+ return err
+ } else {
+ return modbusx.WriteByRTU(rtuConfig, uint16(address), cast.ToInt(value))
+ }
+}
+
+func PlcIsConnect() bool {
+ return IsConnect()
+}
+
+func dealErr(err error) {
+ if err != nil {
+ FailureRemainingOpportunitiesDecr() //鍑忓皯澶辫触鍓╀綑鏈轰細
+ } else {
+ FailureRemainingOpportunitiesReset() //閲嶇疆澶辫触鍓╀綑鏈轰細
+ }
+}
+
+var connectionStatus sync.Map
+
+const (
+ defaultFailureRemainingOpportunities = 20
+)
+
+func IsConnect() bool {
+ val, ok := connectionStatus.Load(conf.Conf.CurrentDeviceID)
+ if !ok {
+ return false
+ }
+ failureRemainingOpportunities := val.(int)
+ return failureRemainingOpportunities > 0
+}
+
+func FailureRemainingOpportunitiesDecr() {
+ val, ok := connectionStatus.Load(conf.Conf.CurrentDeviceID)
+ if !ok {
+ return
+ }
+ failureRemainingOpportunities := val.(int)
+ if failureRemainingOpportunities > 0 {
+ failureRemainingOpportunities--
+ }
+ connectionStatus.Store(conf.Conf.CurrentDeviceID, failureRemainingOpportunities)
+ return
+}
+
+func FailureRemainingOpportunitiesReset() {
+ val, ok := connectionStatus.Load(conf.Conf.CurrentDeviceID)
+ if !ok || val.(int) < defaultFailureRemainingOpportunities {
+ connectionStatus.Store(conf.Conf.CurrentDeviceID, defaultFailureRemainingOpportunities)
+ return
}
return
}
--
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