| // |
| // 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 |
| // |
| // http://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 ( |
| "github.com/apache/plc4x/plc4go/internal/plc4go/spi/utils" |
| "github.com/pkg/errors" |
| ) |
| |
| // Code generated by build-utils. DO NOT EDIT. |
| |
| // The data-structure of this message |
| type COTPPacket struct { |
| Parameters []*COTPParameter |
| Payload *S7Message |
| Child ICOTPPacketChild |
| } |
| |
| // The corresponding interface |
| type ICOTPPacket interface { |
| TpduCode() uint8 |
| LengthInBytes() uint16 |
| LengthInBits() uint16 |
| Serialize(writeBuffer utils.WriteBuffer) error |
| } |
| |
| type ICOTPPacketParent interface { |
| SerializeParent(writeBuffer utils.WriteBuffer, child ICOTPPacket, serializeChildFunction func() error) error |
| GetTypeName() string |
| } |
| |
| type ICOTPPacketChild interface { |
| Serialize(writeBuffer utils.WriteBuffer) error |
| InitializeParent(parent *COTPPacket, parameters []*COTPParameter, payload *S7Message) |
| GetTypeName() string |
| ICOTPPacket |
| } |
| |
| func NewCOTPPacket(parameters []*COTPParameter, payload *S7Message) *COTPPacket { |
| return &COTPPacket{Parameters: parameters, Payload: payload} |
| } |
| |
| func CastCOTPPacket(structType interface{}) *COTPPacket { |
| castFunc := func(typ interface{}) *COTPPacket { |
| if casted, ok := typ.(COTPPacket); ok { |
| return &casted |
| } |
| if casted, ok := typ.(*COTPPacket); ok { |
| return casted |
| } |
| return nil |
| } |
| return castFunc(structType) |
| } |
| |
| func (m *COTPPacket) GetTypeName() string { |
| return "COTPPacket" |
| } |
| |
| func (m *COTPPacket) LengthInBits() uint16 { |
| return m.LengthInBitsConditional(false) |
| } |
| |
| func (m *COTPPacket) LengthInBitsConditional(lastItem bool) uint16 { |
| return m.Child.LengthInBits() |
| } |
| |
| func (m *COTPPacket) ParentLengthInBits() uint16 { |
| lengthInBits := uint16(0) |
| |
| // Implicit Field (headerLength) |
| lengthInBits += 8 |
| // Discriminator Field (tpduCode) |
| lengthInBits += 8 |
| |
| // Array field |
| if len(m.Parameters) > 0 { |
| for _, element := range m.Parameters { |
| lengthInBits += element.LengthInBits() |
| } |
| } |
| |
| // Optional Field (payload) |
| if m.Payload != nil { |
| lengthInBits += (*m.Payload).LengthInBits() |
| } |
| |
| return lengthInBits |
| } |
| |
| func (m *COTPPacket) LengthInBytes() uint16 { |
| return m.LengthInBits() / 8 |
| } |
| |
| func COTPPacketParse(readBuffer utils.ReadBuffer, cotpLen uint16) (*COTPPacket, error) { |
| if pullErr := readBuffer.PullContext("COTPPacket"); pullErr != nil { |
| return nil, pullErr |
| } |
| var startPos = readBuffer.GetPos() |
| var curPos uint16 |
| |
| // Implicit Field (headerLength) (Used for parsing, but it's value is not stored as it's implicitly given by the objects content) |
| headerLength, _headerLengthErr := readBuffer.ReadUint8("headerLength", 8) |
| _ = headerLength |
| if _headerLengthErr != nil { |
| return nil, errors.Wrap(_headerLengthErr, "Error parsing 'headerLength' field") |
| } |
| |
| // Discriminator Field (tpduCode) (Used as input to a switch field) |
| tpduCode, _tpduCodeErr := readBuffer.ReadUint8("tpduCode", 8) |
| if _tpduCodeErr != nil { |
| return nil, errors.Wrap(_tpduCodeErr, "Error parsing 'tpduCode' field") |
| } |
| |
| // Switch Field (Depending on the discriminator values, passes the instantiation to a sub-type) |
| var _parent *COTPPacket |
| var typeSwitchError error |
| switch { |
| case tpduCode == 0xF0: // COTPPacketData |
| _parent, typeSwitchError = COTPPacketDataParse(readBuffer) |
| case tpduCode == 0xE0: // COTPPacketConnectionRequest |
| _parent, typeSwitchError = COTPPacketConnectionRequestParse(readBuffer) |
| case tpduCode == 0xD0: // COTPPacketConnectionResponse |
| _parent, typeSwitchError = COTPPacketConnectionResponseParse(readBuffer) |
| case tpduCode == 0x80: // COTPPacketDisconnectRequest |
| _parent, typeSwitchError = COTPPacketDisconnectRequestParse(readBuffer) |
| case tpduCode == 0xC0: // COTPPacketDisconnectResponse |
| _parent, typeSwitchError = COTPPacketDisconnectResponseParse(readBuffer) |
| case tpduCode == 0x70: // COTPPacketTpduError |
| _parent, typeSwitchError = COTPPacketTpduErrorParse(readBuffer) |
| default: |
| // TODO: return actual type |
| typeSwitchError = errors.New("Unmapped type") |
| } |
| if typeSwitchError != nil { |
| return nil, errors.Wrap(typeSwitchError, "Error parsing sub-type for type-switch.") |
| } |
| |
| // Array field (parameters) |
| if pullErr := readBuffer.PullContext("parameters", utils.WithRenderAsList(true)); pullErr != nil { |
| return nil, pullErr |
| } |
| curPos = readBuffer.GetPos() - startPos |
| // Length array |
| parameters := make([]*COTPParameter, 0) |
| _parametersLength := uint16(uint16(uint16(headerLength)+uint16(uint16(1)))) - uint16(curPos) |
| _parametersEndPos := readBuffer.GetPos() + uint16(_parametersLength) |
| for readBuffer.GetPos() < _parametersEndPos { |
| _item, _err := COTPParameterParse(readBuffer, uint8(uint8(uint8(headerLength)+uint8(uint8(1))))-uint8(curPos)) |
| if _err != nil { |
| return nil, errors.Wrap(_err, "Error parsing 'parameters' field") |
| } |
| parameters = append(parameters, _item) |
| curPos = readBuffer.GetPos() - startPos |
| } |
| if closeErr := readBuffer.CloseContext("parameters", utils.WithRenderAsList(true)); closeErr != nil { |
| return nil, closeErr |
| } |
| |
| // Optional Field (payload) (Can be skipped, if a given expression evaluates to false) |
| curPos = readBuffer.GetPos() - startPos |
| var payload *S7Message = nil |
| if bool((curPos) < (cotpLen)) { |
| _val, _err := S7MessageParse(readBuffer) |
| if _err != nil { |
| return nil, errors.Wrap(_err, "Error parsing 'payload' field") |
| } |
| payload = _val |
| } |
| |
| if closeErr := readBuffer.CloseContext("COTPPacket"); closeErr != nil { |
| return nil, closeErr |
| } |
| |
| // Finish initializing |
| _parent.Child.InitializeParent(_parent, parameters, payload) |
| return _parent, nil |
| } |
| |
| func (m *COTPPacket) Serialize(writeBuffer utils.WriteBuffer) error { |
| return m.Child.Serialize(writeBuffer) |
| } |
| |
| func (m *COTPPacket) SerializeParent(writeBuffer utils.WriteBuffer, child ICOTPPacket, serializeChildFunction func() error) error { |
| if pushErr := writeBuffer.PushContext("COTPPacket"); pushErr != nil { |
| return pushErr |
| } |
| |
| // Implicit Field (headerLength) (Used for parsing, but it's value is not stored as it's implicitly given by the objects content) |
| headerLength := uint8(uint8(uint8(m.LengthInBytes())) - uint8(uint8(uint8(uint8(utils.InlineIf(bool(bool((m.Payload) != (nil))), func() uint16 { return uint16(m.Payload.LengthInBytes()) }, func() uint16 { return uint16(uint8(0)) })))+uint8(uint8(1))))) |
| _headerLengthErr := writeBuffer.WriteUint8("headerLength", 8, (headerLength)) |
| if _headerLengthErr != nil { |
| return errors.Wrap(_headerLengthErr, "Error serializing 'headerLength' field") |
| } |
| |
| // Discriminator Field (tpduCode) (Used as input to a switch field) |
| tpduCode := uint8(child.TpduCode()) |
| _tpduCodeErr := writeBuffer.WriteUint8("tpduCode", 8, (tpduCode)) |
| |
| if _tpduCodeErr != nil { |
| return errors.Wrap(_tpduCodeErr, "Error serializing 'tpduCode' field") |
| } |
| |
| // Switch field (Depending on the discriminator values, passes the serialization to a sub-type) |
| _typeSwitchErr := serializeChildFunction() |
| if _typeSwitchErr != nil { |
| return errors.Wrap(_typeSwitchErr, "Error serializing sub-type field") |
| } |
| |
| // Array Field (parameters) |
| if m.Parameters != nil { |
| if pushErr := writeBuffer.PushContext("parameters", utils.WithRenderAsList(true)); pushErr != nil { |
| return pushErr |
| } |
| for _, _element := range m.Parameters { |
| _elementErr := _element.Serialize(writeBuffer) |
| if _elementErr != nil { |
| return errors.Wrap(_elementErr, "Error serializing 'parameters' field") |
| } |
| } |
| if popErr := writeBuffer.PopContext("parameters", utils.WithRenderAsList(true)); popErr != nil { |
| return popErr |
| } |
| } |
| |
| // Optional Field (payload) (Can be skipped, if the value is null) |
| var payload *S7Message = nil |
| if m.Payload != nil { |
| payload = m.Payload |
| _payloadErr := payload.Serialize(writeBuffer) |
| if _payloadErr != nil { |
| return errors.Wrap(_payloadErr, "Error serializing 'payload' field") |
| } |
| } |
| |
| if popErr := writeBuffer.PopContext("COTPPacket"); popErr != nil { |
| return popErr |
| } |
| return nil |
| } |
| |
| func (m *COTPPacket) String() string { |
| if m == nil { |
| return "<nil>" |
| } |
| buffer := utils.NewBoxedWriteBufferWithOptions(true, true) |
| m.Serialize(buffer) |
| return buffer.GetBox().String() |
| } |
