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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 model
import (
"context"
api "github.com/apache/plc4x/plc4go/pkg/api/values"
"github.com/apache/plc4x/plc4go/spi/utils"
"github.com/apache/plc4x/plc4go/spi/values"
"github.com/pkg/errors"
"github.com/rs/zerolog"
)
// Code generated by code-generation. DO NOT EDIT.
func DataItemParse(ctx context.Context, theBytes []byte, dataProtocolId string, stringLength int32) (api.PlcValue, error) {
return DataItemParseWithBuffer(ctx, utils.NewReadBufferByteBased(theBytes), dataProtocolId, stringLength)
}
func DataItemParseWithBuffer(ctx context.Context, readBuffer utils.ReadBuffer, dataProtocolId string, stringLength int32) (api.PlcValue, error) {
log := zerolog.Ctx(ctx)
_ = log
readBuffer.PullContext("DataItem")
switch {
case dataProtocolId == "IEC61131_BOOL": // BOOL
// Reserved Field (Just skip the bytes)
if _, _err := readBuffer.ReadUint8("reserved", 7); _err != nil {
return nil, errors.Wrap(_err, "Error parsing reserved field")
}
// Simple Field (value)
value, _valueErr := readBuffer.ReadBit("value")
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcBOOL(value), nil
case dataProtocolId == "IEC61131_BYTE": // BYTE
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint8("value", 8)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcBYTE(value), nil
case dataProtocolId == "IEC61131_WORD": // WORD
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint16("value", 16)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcWORD(value), nil
case dataProtocolId == "IEC61131_DWORD": // DWORD
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint32("value", 32)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcDWORD(value), nil
case dataProtocolId == "IEC61131_LWORD": // LWORD
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint64("value", 64)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcLWORD(value), nil
case dataProtocolId == "IEC61131_SINT": // SINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadInt8("value", 8)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcSINT(value), nil
case dataProtocolId == "IEC61131_USINT": // USINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint8("value", 8)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcUSINT(value), nil
case dataProtocolId == "IEC61131_INT": // INT
// Simple Field (value)
value, _valueErr := readBuffer.ReadInt16("value", 16)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcINT(value), nil
case dataProtocolId == "IEC61131_UINT": // UINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint16("value", 16)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcUINT(value), nil
case dataProtocolId == "IEC61131_DINT": // DINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadInt32("value", 32)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcDINT(value), nil
case dataProtocolId == "IEC61131_UDINT": // UDINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint32("value", 32)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcUDINT(value), nil
case dataProtocolId == "IEC61131_LINT": // LINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadInt64("value", 64)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcLINT(value), nil
case dataProtocolId == "IEC61131_ULINT": // ULINT
// Simple Field (value)
value, _valueErr := readBuffer.ReadUint64("value", 64)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcULINT(value), nil
case dataProtocolId == "IEC61131_REAL": // REAL
// Simple Field (value)
value, _valueErr := readBuffer.ReadFloat32("value", 32)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcREAL(value), nil
case dataProtocolId == "IEC61131_LREAL": // LREAL
// Simple Field (value)
value, _valueErr := readBuffer.ReadFloat64("value", 64)
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcLREAL(value), nil
case dataProtocolId == "IEC61131_CHAR": // CHAR
// Simple Field (value)
value, _valueErr := readBuffer.ReadString("value", uint32(8), "UTF-8")
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcCHAR(value), nil
case dataProtocolId == "IEC61131_WCHAR": // CHAR
// Simple Field (value)
value, _valueErr := readBuffer.ReadString("value", uint32(16), "UTF-16")
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcCHAR(value), nil
case dataProtocolId == "IEC61131_STRING": // STRING
// Manual Field (value)
value, _valueErr := ParseS7String(ctx, readBuffer, stringLength, "UTF-8")
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcSTRING(value), nil
case dataProtocolId == "IEC61131_WSTRING": // STRING
// Manual Field (value)
value, _valueErr := ParseS7String(ctx, readBuffer, stringLength, "UTF-16")
if _valueErr != nil {
return nil, errors.Wrap(_valueErr, "Error parsing 'value' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcSTRING(value), nil
case dataProtocolId == "IEC61131_TIME": // TIME
// Simple Field (milliseconds)
milliseconds, _millisecondsErr := readBuffer.ReadUint32("milliseconds", 32)
if _millisecondsErr != nil {
return nil, errors.Wrap(_millisecondsErr, "Error parsing 'milliseconds' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcTIMEFromMilliseconds(int64(milliseconds)), nil
case dataProtocolId == "S7_S5TIME": // TIME
// Manual Field (milliseconds)
milliseconds, _millisecondsErr := ParseS5Time(ctx, readBuffer)
if _millisecondsErr != nil {
return nil, errors.Wrap(_millisecondsErr, "Error parsing 'milliseconds' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcTIMEFromMilliseconds(int64(milliseconds)), nil
case dataProtocolId == "IEC61131_LTIME": // LTIME
// Simple Field (nanoseconds)
nanoseconds, _nanosecondsErr := readBuffer.ReadUint64("nanoseconds", 64)
if _nanosecondsErr != nil {
return nil, errors.Wrap(_nanosecondsErr, "Error parsing 'nanoseconds' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcLTIMEFromNanoseconds(nanoseconds), nil
case dataProtocolId == "IEC61131_DATE": // DATE
// Manual Field (daysSinceEpoch)
daysSinceEpoch, _daysSinceEpochErr := ParseTiaDate(ctx, readBuffer)
if _daysSinceEpochErr != nil {
return nil, errors.Wrap(_daysSinceEpochErr, "Error parsing 'daysSinceEpoch' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcDATEFromDaysSinceEpoch(daysSinceEpoch), nil
case dataProtocolId == "IEC61131_TIME_OF_DAY": // TIME_OF_DAY
// Simple Field (millisecondsSinceMidnight)
millisecondsSinceMidnight, _millisecondsSinceMidnightErr := readBuffer.ReadUint32("millisecondsSinceMidnight", 32)
if _millisecondsSinceMidnightErr != nil {
return nil, errors.Wrap(_millisecondsSinceMidnightErr, "Error parsing 'millisecondsSinceMidnight' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcTIME_OF_DAYFromMillisecondsSinceMidnight(millisecondsSinceMidnight), nil
case dataProtocolId == "IEC61131_LTIME_OF_DAY": // LTIME_OF_DAY
// Simple Field (nanosecondsSinceMidnight)
nanosecondsSinceMidnight, _nanosecondsSinceMidnightErr := readBuffer.ReadUint64("nanosecondsSinceMidnight", 64)
if _nanosecondsSinceMidnightErr != nil {
return nil, errors.Wrap(_nanosecondsSinceMidnightErr, "Error parsing 'nanosecondsSinceMidnight' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcLTIME_OF_DAYFromNanosecondsSinceMidnight(nanosecondsSinceMidnight), nil
case dataProtocolId == "IEC61131_DATE_AND_TIME": // DATE_AND_TIME
// Manual Field (year)
year, _yearErr := ParseBcdToByte(ctx, readBuffer)
if _yearErr != nil {
return nil, errors.Wrap(_yearErr, "Error parsing 'year' field")
}
// Manual Field (month)
month, _monthErr := ParseBcdToByte(ctx, readBuffer)
if _monthErr != nil {
return nil, errors.Wrap(_monthErr, "Error parsing 'month' field")
}
// Manual Field (day)
day, _dayErr := ParseBcdToByte(ctx, readBuffer)
if _dayErr != nil {
return nil, errors.Wrap(_dayErr, "Error parsing 'day' field")
}
// Manual Field (hour)
hour, _hourErr := ParseBcdToByte(ctx, readBuffer)
if _hourErr != nil {
return nil, errors.Wrap(_hourErr, "Error parsing 'hour' field")
}
// Manual Field (minutes)
minutes, _minutesErr := ParseBcdToByte(ctx, readBuffer)
if _minutesErr != nil {
return nil, errors.Wrap(_minutesErr, "Error parsing 'minutes' field")
}
// Manual Field (seconds)
seconds, _secondsErr := ParseBcdToByte(ctx, readBuffer)
if _secondsErr != nil {
return nil, errors.Wrap(_secondsErr, "Error parsing 'seconds' field")
}
// Manual Field (nanoseconds)
nanoseconds, _nanosecondsErr := ParseS7MsecToNsec(ctx, readBuffer)
if _nanosecondsErr != nil {
return nil, errors.Wrap(_nanosecondsErr, "Error parsing 'nanoseconds' field")
}
// Manual Field (dayOfWeek)
dayOfWeek, _dayOfWeekErr := ParseS7DayOfWeek(ctx, readBuffer)
if _dayOfWeekErr != nil {
return nil, errors.Wrap(_dayOfWeekErr, "Error parsing 'dayOfWeek' field")
}
readBuffer.CloseContext("DataItem")
return values.NewPlcDATA_AND_TIMEFromSegments(uint32(year), uint32(month), uint32(day), uint32(hour), uint32(minutes), uint32(seconds), uint32(nanoseconds)), nil
}
// TODO: add more info which type it is actually
return nil, errors.New("unsupported type")
}
func DataItemSerialize(value api.PlcValue, dataProtocolId string, stringLength int32) ([]byte, error) {
wb := utils.NewWriteBufferByteBased()
if err := DataItemSerializeWithWriteBuffer(context.Background(), wb, value, dataProtocolId, stringLength); err != nil {
return nil, err
}
return wb.GetBytes(), nil
}
func DataItemSerializeWithWriteBuffer(ctx context.Context, writeBuffer utils.WriteBuffer, value api.PlcValue, dataProtocolId string, stringLength int32) error {
log := zerolog.Ctx(ctx)
_ = log
m := struct {
DataProtocolId string
StringLength int32
}{
DataProtocolId: dataProtocolId,
StringLength: stringLength,
}
_ = m
writeBuffer.PushContext("DataItem")
switch {
case dataProtocolId == "IEC61131_BOOL": // BOOL
// Reserved Field (Just skip the bytes)
if _err := writeBuffer.WriteUint8("reserved", 7, uint8(uint8(0x00))); _err != nil {
return errors.Wrap(_err, "Error serializing reserved field")
}
// Simple Field (value)
if _err := writeBuffer.WriteBit("value", value.GetBool()); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_BYTE": // BYTE
// Simple Field (value)
if _err := writeBuffer.WriteUint8("value", 8, uint8(value.GetUint8())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_WORD": // WORD
// Simple Field (value)
if _err := writeBuffer.WriteUint16("value", 16, uint16(value.GetUint16())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_DWORD": // DWORD
// Simple Field (value)
if _err := writeBuffer.WriteUint32("value", 32, uint32(value.GetUint32())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_LWORD": // LWORD
// Simple Field (value)
if _err := writeBuffer.WriteUint64("value", 64, uint64(value.GetUint64())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_SINT": // SINT
// Simple Field (value)
if _err := writeBuffer.WriteInt8("value", 8, int8(value.GetInt8())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_USINT": // USINT
// Simple Field (value)
if _err := writeBuffer.WriteUint8("value", 8, uint8(value.GetUint8())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_INT": // INT
// Simple Field (value)
if _err := writeBuffer.WriteInt16("value", 16, int16(value.GetInt16())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_UINT": // UINT
// Simple Field (value)
if _err := writeBuffer.WriteUint16("value", 16, uint16(value.GetUint16())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_DINT": // DINT
// Simple Field (value)
if _err := writeBuffer.WriteInt32("value", 32, int32(value.GetInt32())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_UDINT": // UDINT
// Simple Field (value)
if _err := writeBuffer.WriteUint32("value", 32, uint32(value.GetUint32())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_LINT": // LINT
// Simple Field (value)
if _err := writeBuffer.WriteInt64("value", 64, int64(value.GetInt64())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_ULINT": // ULINT
// Simple Field (value)
if _err := writeBuffer.WriteUint64("value", 64, uint64(value.GetUint64())); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_REAL": // REAL
// Simple Field (value)
if _err := writeBuffer.WriteFloat32("value", 32, value.GetFloat32()); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_LREAL": // LREAL
// Simple Field (value)
if _err := writeBuffer.WriteFloat64("value", 64, value.GetFloat64()); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_CHAR": // CHAR
// Simple Field (value)
if _err := writeBuffer.WriteString("value", uint32(8), "UTF-8", value.GetString()); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_WCHAR": // CHAR
// Simple Field (value)
if _err := writeBuffer.WriteString("value", uint32(16), "UTF-16", value.GetString()); _err != nil {
return errors.Wrap(_err, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_STRING": // STRING
// Manual Field (value)
_valueErr := SerializeS7String(ctx, writeBuffer, value, stringLength, "UTF-8")
if _valueErr != nil {
return errors.Wrap(_valueErr, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_WSTRING": // STRING
// Manual Field (value)
_valueErr := SerializeS7String(ctx, writeBuffer, value, stringLength, "UTF-16")
if _valueErr != nil {
return errors.Wrap(_valueErr, "Error serializing 'value' field")
}
case dataProtocolId == "IEC61131_TIME": // TIME
// Simple Field (milliseconds)
if _err := writeBuffer.WriteUint32("milliseconds", 32, uint32(value.(values.PlcTIME).GetMilliseconds())); _err != nil {
return errors.Wrap(_err, "Error serializing 'milliseconds' field")
}
case dataProtocolId == "S7_S5TIME": // TIME
// Manual Field (milliseconds)
_millisecondsErr := SerializeS5Time(ctx, writeBuffer, value)
if _millisecondsErr != nil {
return errors.Wrap(_millisecondsErr, "Error serializing 'milliseconds' field")
}
case dataProtocolId == "IEC61131_LTIME": // LTIME
// Simple Field (nanoseconds)
if _err := writeBuffer.WriteUint64("nanoseconds", 64, uint64(value.(values.PlcLTIME).GetNanoseconds())); _err != nil {
return errors.Wrap(_err, "Error serializing 'nanoseconds' field")
}
case dataProtocolId == "IEC61131_DATE": // DATE
// Manual Field (daysSinceEpoch)
_daysSinceEpochErr := SerializeTiaDate(ctx, writeBuffer, value)
if _daysSinceEpochErr != nil {
return errors.Wrap(_daysSinceEpochErr, "Error serializing 'daysSinceEpoch' field")
}
case dataProtocolId == "IEC61131_TIME_OF_DAY": // TIME_OF_DAY
// Simple Field (millisecondsSinceMidnight)
if _err := writeBuffer.WriteUint32("millisecondsSinceMidnight", 32, uint32(value.(values.PlcTIME_OF_DAY).GetMillisecondsSinceMidnight())); _err != nil {
return errors.Wrap(_err, "Error serializing 'millisecondsSinceMidnight' field")
}
case dataProtocolId == "IEC61131_LTIME_OF_DAY": // LTIME_OF_DAY
// Simple Field (nanosecondsSinceMidnight)
if _err := writeBuffer.WriteUint64("nanosecondsSinceMidnight", 64, uint64(value.(values.PlcLTIME_OF_DAY).GetNanosecondsSinceMidnight())); _err != nil {
return errors.Wrap(_err, "Error serializing 'nanosecondsSinceMidnight' field")
}
case dataProtocolId == "IEC61131_DATE_AND_TIME": // DATE_AND_TIME
// Manual Field (year)
_yearErr := ByteToBcd(ctx, writeBuffer, value.GetDateTime().GetYear())
if _yearErr != nil {
return errors.Wrap(_yearErr, "Error serializing 'year' field")
}
// Manual Field (month)
_monthErr := ByteToBcd(ctx, writeBuffer, value.GetDateTime().GetMonthValue())
if _monthErr != nil {
return errors.Wrap(_monthErr, "Error serializing 'month' field")
}
// Manual Field (day)
_dayErr := ByteToBcd(ctx, writeBuffer, value.GetDateTime().GetDayOfMonth())
if _dayErr != nil {
return errors.Wrap(_dayErr, "Error serializing 'day' field")
}
// Manual Field (hour)
_hourErr := ByteToBcd(ctx, writeBuffer, value.GetDateTime().GetHour())
if _hourErr != nil {
return errors.Wrap(_hourErr, "Error serializing 'hour' field")
}
// Manual Field (minutes)
_minutesErr := ByteToBcd(ctx, writeBuffer, value.GetDateTime().GetMinute())
if _minutesErr != nil {
return errors.Wrap(_minutesErr, "Error serializing 'minutes' field")
}
// Manual Field (seconds)
_secondsErr := ByteToBcd(ctx, writeBuffer, value.GetDateTime().GetSecond())
if _secondsErr != nil {
return errors.Wrap(_secondsErr, "Error serializing 'seconds' field")
}
// Manual Field (nanoseconds)
_nanosecondsErr := SerializeNsecToS7Msec(ctx, writeBuffer, value.GetDateTime().GetNano())
if _nanosecondsErr != nil {
return errors.Wrap(_nanosecondsErr, "Error serializing 'nanoseconds' field")
}
// Manual Field (dayOfWeek)
_dayOfWeekErr := SerializeS7DayOfWeek(ctx, writeBuffer, value.GetDateTime().GetDayOfWeek().GetValue())
if _dayOfWeekErr != nil {
return errors.Wrap(_dayOfWeekErr, "Error serializing 'dayOfWeek' field")
}
default:
// TODO: add more info which type it is actually
return errors.New("unsupported type")
}
writeBuffer.PopContext("DataItem")
return nil
}