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Tag.go
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Tag.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package knxnetip
import (
"errors"
"fmt"
"strconv"
"strings"
apiModel "github.com/apache/plc4x/plc4go/pkg/api/model"
"github.com/apache/plc4x/plc4go/pkg/api/values"
driverModel "github.com/apache/plc4x/plc4go/protocols/knxnetip/readwrite/model"
)
type Tag interface {
apiModel.PlcTag
}
type GroupAddressTag interface {
Tag
GetTagType() *driverModel.KnxDatapointType
IsPatternTag() bool
matches(knxGroupAddress driverModel.KnxGroupAddress) bool
toGroupAddress() driverModel.KnxGroupAddress
}
type DeviceTag interface {
Tag
toKnxAddress() driverModel.KnxAddress
}
type GroupAddress3LevelPlcTag struct {
GroupAddressTag
MainGroup string // 5 Bits: Values 0-31
MiddleGroup string // 3 Bits: values 0-7
SubGroup string // 8 Bits
TagType *driverModel.KnxDatapointType
}
func NewGroupAddress3LevelPlcTag(mainGroup string, middleGroup string, subGroup string, tagType *driverModel.KnxDatapointType) GroupAddress3LevelPlcTag {
return GroupAddress3LevelPlcTag{
MainGroup: mainGroup,
MiddleGroup: middleGroup,
SubGroup: subGroup,
TagType: tagType,
}
}
func (k GroupAddress3LevelPlcTag) GetAddressString() string {
return fmt.Sprintf("%s/%s/%s:%s", k.MainGroup, k.MiddleGroup, k.SubGroup, k.TagType.String())
}
func (k GroupAddress3LevelPlcTag) GetValueType() values.PlcValueType {
return values.Struct
}
func (k GroupAddress3LevelPlcTag) GetArrayInfo() []apiModel.ArrayInfo {
return []apiModel.ArrayInfo{}
}
func (k GroupAddress3LevelPlcTag) GetTagType() *driverModel.KnxDatapointType {
return k.TagType
}
func (k GroupAddress3LevelPlcTag) IsPatternTag() bool {
_, err := strconv.Atoi(k.MainGroup)
if err == nil {
_, err = strconv.Atoi(k.MiddleGroup)
if err == nil {
_, err = strconv.Atoi(k.SubGroup)
if err == nil {
return false
}
}
}
return true
}
func (k GroupAddress3LevelPlcTag) matches(knxGroupAddress driverModel.KnxGroupAddress) bool {
level3KnxGroupAddress, ok := knxGroupAddress.(driverModel.KnxGroupAddress3LevelExactly)
if !ok {
return false
}
return matches(k.MainGroup, strconv.Itoa(int(level3KnxGroupAddress.GetMainGroup()))) &&
matches(k.MiddleGroup, strconv.Itoa(int(level3KnxGroupAddress.GetMiddleGroup()))) &&
matches(k.SubGroup, strconv.Itoa(int(level3KnxGroupAddress.GetSubGroup())))
}
func (k GroupAddress3LevelPlcTag) toGroupAddress() driverModel.KnxGroupAddress {
mainGroup, err := strconv.ParseUint(k.MainGroup, 10, 8)
if err != nil {
return nil
}
middleGroup, err := strconv.ParseUint(k.MiddleGroup, 10, 8)
if err != nil {
return nil
}
subGroup, err := strconv.ParseUint(k.SubGroup, 10, 8)
if err != nil {
return nil
}
return driverModel.NewKnxGroupAddress3Level(uint8(mainGroup), uint8(middleGroup), uint8(subGroup))
}
type GroupAddress2LevelPlcTag struct {
GroupAddressTag
MainGroup string // 5 Bits: Values 0-31
SubGroup string // 11 Bits
TagType *driverModel.KnxDatapointType
}
func NewGroupAddress2LevelPlcTag(mainGroup string, subGroup string, tagType *driverModel.KnxDatapointType) GroupAddress2LevelPlcTag {
return GroupAddress2LevelPlcTag{
MainGroup: mainGroup,
SubGroup: subGroup,
TagType: tagType,
}
}
func (k GroupAddress2LevelPlcTag) GetAddressString() string {
return fmt.Sprintf("%s/%s:%s", k.MainGroup, k.SubGroup, k.TagType.String())
}
func (k GroupAddress2LevelPlcTag) GetValueType() values.PlcValueType {
return values.Struct
}
func (k GroupAddress2LevelPlcTag) GetArrayInfo() []apiModel.ArrayInfo {
return []apiModel.ArrayInfo{}
}
func (k GroupAddress2LevelPlcTag) GetTagType() *driverModel.KnxDatapointType {
return k.TagType
}
func (k GroupAddress2LevelPlcTag) IsPatternTag() bool {
_, err := strconv.Atoi(k.MainGroup)
if err == nil {
_, err = strconv.Atoi(k.SubGroup)
if err == nil {
return false
}
}
return true
}
func (k GroupAddress2LevelPlcTag) matches(knxGroupAddress driverModel.KnxGroupAddress) bool {
level2KnxGroupAddress, ok := knxGroupAddress.(driverModel.KnxGroupAddress2LevelExactly)
if !ok {
return false
}
return matches(k.MainGroup, strconv.Itoa(int(level2KnxGroupAddress.GetMainGroup()))) &&
matches(k.SubGroup, strconv.Itoa(int(level2KnxGroupAddress.GetSubGroup())))
}
func (k GroupAddress2LevelPlcTag) toGroupAddress() driverModel.KnxGroupAddress {
mainGroup, err := strconv.ParseUint(k.MainGroup, 10, 8)
if err != nil {
return nil
}
subGroup, err := strconv.ParseUint(k.SubGroup, 10, 16)
if err != nil {
return nil
}
return driverModel.NewKnxGroupAddress2Level(uint8(mainGroup), uint16(subGroup))
}
type GroupAddress1LevelPlcTag struct {
GroupAddressTag
MainGroup string // 16 Bits
TagType *driverModel.KnxDatapointType
}
func NewGroupAddress1LevelPlcTag(mainGroup string, tagType *driverModel.KnxDatapointType) GroupAddress1LevelPlcTag {
return GroupAddress1LevelPlcTag{
MainGroup: mainGroup,
TagType: tagType,
}
}
func (k GroupAddress1LevelPlcTag) GetAddressString() string {
return fmt.Sprintf("%s:%s", k.MainGroup, k.TagType.String())
}
func (k GroupAddress1LevelPlcTag) GetValueType() values.PlcValueType {
return values.Struct
}
func (k GroupAddress1LevelPlcTag) GetArrayInfo() []apiModel.ArrayInfo {
return []apiModel.ArrayInfo{}
}
func (k GroupAddress1LevelPlcTag) GetTagType() *driverModel.KnxDatapointType {
return k.TagType
}
func (k GroupAddress1LevelPlcTag) IsPatternTag() bool {
_, err := strconv.Atoi(k.MainGroup)
if err == nil {
return false
}
return true
}
func (k GroupAddress1LevelPlcTag) matches(knxGroupAddress driverModel.KnxGroupAddress) bool {
level1KnxGroupAddress, ok := knxGroupAddress.(driverModel.KnxGroupAddressFreeLevel)
if !ok {
return false
}
return matches(k.MainGroup, strconv.Itoa(int(level1KnxGroupAddress.GetSubGroup())))
}
func (k GroupAddress1LevelPlcTag) toGroupAddress() driverModel.KnxGroupAddress {
mainGroup, err := strconv.ParseUint(k.MainGroup, 10, 16)
if err != nil {
return nil
}
return driverModel.NewKnxGroupAddressFreeLevel(uint16(mainGroup))
}
type DevicePropertyAddressPlcTag struct {
MainGroup uint8 // 5 Bits: Values 0-31
MiddleGroup uint8 // 3 Bits: values 0-7
SubGroup uint8 // 8 Bits
ObjectId uint8
PropertyId uint8
PropertyIndex uint16
NumElements uint8
DeviceTag
}
func NewDevicePropertyAddressPlcTag(mainGroup uint8, middleGroup uint8, subGroup uint8, objectId uint8, propertyId uint8, propertyIndex uint16, numElements uint8) DevicePropertyAddressPlcTag {
return DevicePropertyAddressPlcTag{
MainGroup: mainGroup,
MiddleGroup: middleGroup,
SubGroup: subGroup,
ObjectId: objectId,
PropertyId: propertyId,
PropertyIndex: propertyIndex,
NumElements: numElements,
}
}
func (k DevicePropertyAddressPlcTag) GetAddressString() string {
return fmt.Sprintf("%d/%d/%d#%d/%d/%d[%d]",
k.MainGroup, k.MiddleGroup, k.SubGroup, k.ObjectId, k.PropertyId, k.PropertyIndex, k.NumElements)
}
func (k DevicePropertyAddressPlcTag) GetValueType() values.PlcValueType {
return values.Struct
}
func (k DevicePropertyAddressPlcTag) GetArrayInfo() []apiModel.ArrayInfo {
return []apiModel.ArrayInfo{}
}
func (k DevicePropertyAddressPlcTag) toKnxAddress() driverModel.KnxAddress {
return driverModel.NewKnxAddress(
k.MainGroup,
k.MiddleGroup,
k.SubGroup,
)
}
type DeviceMemoryAddressPlcTag struct {
MainGroup uint8 // 5 Bits: Values 0-31
MiddleGroup uint8 // 3 Bits: values 0-7
SubGroup uint8 // 8 Bits
Address uint16
NumElements uint8
TagType *driverModel.KnxDatapointType
DeviceTag
}
func NewDeviceMemoryAddressPlcTag(mainGroup uint8, middleGroup uint8, subGroup uint8, address uint16, numElements uint8, tagType *driverModel.KnxDatapointType) DeviceMemoryAddressPlcTag {
return DeviceMemoryAddressPlcTag{
MainGroup: mainGroup,
MiddleGroup: middleGroup,
SubGroup: subGroup,
Address: address,
NumElements: numElements,
TagType: tagType,
}
}
func (k DeviceMemoryAddressPlcTag) GetAddressString() string {
return fmt.Sprintf("%d/%d/%d#%d:%s[%d]",
k.MainGroup, k.MiddleGroup, k.SubGroup, k.Address, k.TagType.String(), k.NumElements)
}
func (k DeviceMemoryAddressPlcTag) GetValueType() values.PlcValueType {
return values.Struct
}
func (k DeviceMemoryAddressPlcTag) GetArrayInfo() []apiModel.ArrayInfo {
return []apiModel.ArrayInfo{}
}
func (k DeviceMemoryAddressPlcTag) toKnxAddress() driverModel.KnxAddress {
individualAddress := driverModel.NewKnxAddress(
k.MainGroup,
k.MiddleGroup,
k.SubGroup,
)
return individualAddress
}
func CastToKnxTagFromPlcTag(plcTag apiModel.PlcTag) (Tag, error) {
if knxTag, ok := plcTag.(Tag); ok {
return knxTag, nil
}
return nil, errors.New("couldn't cast to KnxNetIpTag")
}
func CastToGroupAddressTagFromPlcTag(plcTag apiModel.PlcTag) (GroupAddressTag, error) {
if groupAddressTag, ok := plcTag.(GroupAddressTag); ok {
return groupAddressTag, nil
}
return nil, errors.New("couldn't cast to KnxNetIpTag")
}
func matches(pattern string, groupAddressPart string) bool {
// A "*" simply matches everything
if pattern == "*" {
return true
}
// If the pattern starts and ends with square brackets, it's a list of values or range queries
if strings.HasPrefix(pattern, "[") && strings.HasSuffix(pattern, "]") {
matches := false
for _, segment := range strings.Split(pattern, ",") {
if strings.Contains(segment, "-") {
// If the segment contains a "-", then it's a range query
split := strings.Split(segment, "-")
if len(split) == 2 {
if val, err := strconv.Atoi(groupAddressPart); err != nil {
var err error
var from int
if from, err = strconv.Atoi(split[0]); err != nil {
continue
}
if val < from {
continue
}
var to int
if to, err = strconv.Atoi(split[1]); err == nil {
continue
}
if val > to {
continue
}
matches = true
}
}
} else if segment == groupAddressPart {
// In all other cases it's an explicit value
matches = true
}
}
return matches
} else {
return pattern == groupAddressPart
}
}