| // |
| // 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 ( |
| "fmt" |
| "github.com/apache/plc4x/plc4go/internal/plc4go/spi/utils" |
| "github.com/pkg/errors" |
| "github.com/rs/zerolog/log" |
| ) |
| |
| // Code generated by build-utils. DO NOT EDIT. |
| |
| // Constant values. |
| const S7Message_PROTOCOLID uint8 = 0x32 |
| |
| // The data-structure of this message |
| type S7Message struct { |
| TpduReference uint16 |
| Parameter *S7Parameter |
| Payload *S7Payload |
| Child IS7MessageChild |
| } |
| |
| // The corresponding interface |
| type IS7Message interface { |
| MessageType() uint8 |
| LengthInBytes() uint16 |
| LengthInBits() uint16 |
| Serialize(writeBuffer utils.WriteBuffer) error |
| } |
| |
| type IS7MessageParent interface { |
| SerializeParent(writeBuffer utils.WriteBuffer, child IS7Message, serializeChildFunction func() error) error |
| GetTypeName() string |
| } |
| |
| type IS7MessageChild interface { |
| Serialize(writeBuffer utils.WriteBuffer) error |
| InitializeParent(parent *S7Message, tpduReference uint16, parameter *S7Parameter, payload *S7Payload) |
| GetTypeName() string |
| IS7Message |
| } |
| |
| func NewS7Message(tpduReference uint16, parameter *S7Parameter, payload *S7Payload) *S7Message { |
| return &S7Message{TpduReference: tpduReference, Parameter: parameter, Payload: payload} |
| } |
| |
| func CastS7Message(structType interface{}) *S7Message { |
| castFunc := func(typ interface{}) *S7Message { |
| if casted, ok := typ.(S7Message); ok { |
| return &casted |
| } |
| if casted, ok := typ.(*S7Message); ok { |
| return casted |
| } |
| return nil |
| } |
| return castFunc(structType) |
| } |
| |
| func (m *S7Message) GetTypeName() string { |
| return "S7Message" |
| } |
| |
| func (m *S7Message) LengthInBits() uint16 { |
| return m.LengthInBitsConditional(false) |
| } |
| |
| func (m *S7Message) LengthInBitsConditional(lastItem bool) uint16 { |
| return m.Child.LengthInBits() |
| } |
| |
| func (m *S7Message) ParentLengthInBits() uint16 { |
| lengthInBits := uint16(0) |
| |
| // Const Field (protocolId) |
| lengthInBits += 8 |
| // Discriminator Field (messageType) |
| lengthInBits += 8 |
| |
| // Reserved Field (reserved) |
| lengthInBits += 16 |
| |
| // Simple field (tpduReference) |
| lengthInBits += 16 |
| |
| // Implicit Field (parameterLength) |
| lengthInBits += 16 |
| |
| // Implicit Field (payloadLength) |
| lengthInBits += 16 |
| |
| // Optional Field (parameter) |
| if m.Parameter != nil { |
| lengthInBits += (*m.Parameter).LengthInBits() |
| } |
| |
| // Optional Field (payload) |
| if m.Payload != nil { |
| lengthInBits += (*m.Payload).LengthInBits() |
| } |
| |
| return lengthInBits |
| } |
| |
| func (m *S7Message) LengthInBytes() uint16 { |
| return m.LengthInBits() / 8 |
| } |
| |
| func S7MessageParse(readBuffer utils.ReadBuffer) (*S7Message, error) { |
| if pullErr := readBuffer.PullContext("S7Message"); pullErr != nil { |
| return nil, pullErr |
| } |
| |
| // Const Field (protocolId) |
| protocolId, _protocolIdErr := readBuffer.ReadUint8("protocolId", 8) |
| if _protocolIdErr != nil { |
| return nil, errors.Wrap(_protocolIdErr, "Error parsing 'protocolId' field") |
| } |
| if protocolId != S7Message_PROTOCOLID { |
| return nil, errors.New("Expected constant value " + fmt.Sprintf("%d", S7Message_PROTOCOLID) + " but got " + fmt.Sprintf("%d", protocolId)) |
| } |
| |
| // Discriminator Field (messageType) (Used as input to a switch field) |
| messageType, _messageTypeErr := readBuffer.ReadUint8("messageType", 8) |
| if _messageTypeErr != nil { |
| return nil, errors.Wrap(_messageTypeErr, "Error parsing 'messageType' field") |
| } |
| |
| // Reserved Field (Compartmentalized so the "reserved" variable can't leak) |
| { |
| reserved, _err := readBuffer.ReadUint16("reserved", 16) |
| if _err != nil { |
| return nil, errors.Wrap(_err, "Error parsing 'reserved' field") |
| } |
| if reserved != uint16(0x0000) { |
| log.Info().Fields(map[string]interface{}{ |
| "expected value": uint16(0x0000), |
| "got value": reserved, |
| }).Msg("Got unexpected response.") |
| } |
| } |
| |
| // Simple Field (tpduReference) |
| tpduReference, _tpduReferenceErr := readBuffer.ReadUint16("tpduReference", 16) |
| if _tpduReferenceErr != nil { |
| return nil, errors.Wrap(_tpduReferenceErr, "Error parsing 'tpduReference' field") |
| } |
| |
| // Implicit Field (parameterLength) (Used for parsing, but it's value is not stored as it's implicitly given by the objects content) |
| parameterLength, _parameterLengthErr := readBuffer.ReadUint16("parameterLength", 16) |
| _ = parameterLength |
| if _parameterLengthErr != nil { |
| return nil, errors.Wrap(_parameterLengthErr, "Error parsing 'parameterLength' field") |
| } |
| |
| // Implicit Field (payloadLength) (Used for parsing, but it's value is not stored as it's implicitly given by the objects content) |
| payloadLength, _payloadLengthErr := readBuffer.ReadUint16("payloadLength", 16) |
| _ = payloadLength |
| if _payloadLengthErr != nil { |
| return nil, errors.Wrap(_payloadLengthErr, "Error parsing 'payloadLength' field") |
| } |
| |
| // Switch Field (Depending on the discriminator values, passes the instantiation to a sub-type) |
| var _parent *S7Message |
| var typeSwitchError error |
| switch { |
| case messageType == 0x01: // S7MessageRequest |
| _parent, typeSwitchError = S7MessageRequestParse(readBuffer) |
| case messageType == 0x02: // S7MessageResponse |
| _parent, typeSwitchError = S7MessageResponseParse(readBuffer) |
| case messageType == 0x03: // S7MessageResponseData |
| _parent, typeSwitchError = S7MessageResponseDataParse(readBuffer) |
| case messageType == 0x07: // S7MessageUserData |
| _parent, typeSwitchError = S7MessageUserDataParse(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.") |
| } |
| |
| // Optional Field (parameter) (Can be skipped, if a given expression evaluates to false) |
| var parameter *S7Parameter = nil |
| if bool((parameterLength) > (0)) { |
| _val, _err := S7ParameterParse(readBuffer, messageType) |
| if _err != nil { |
| return nil, errors.Wrap(_err, "Error parsing 'parameter' field") |
| } |
| parameter = _val |
| } |
| |
| // Optional Field (payload) (Can be skipped, if a given expression evaluates to false) |
| var payload *S7Payload = nil |
| if bool((payloadLength) > (0)) { |
| _val, _err := S7PayloadParse(readBuffer, messageType, (parameter)) |
| if _err != nil { |
| return nil, errors.Wrap(_err, "Error parsing 'payload' field") |
| } |
| payload = _val |
| } |
| |
| if closeErr := readBuffer.CloseContext("S7Message"); closeErr != nil { |
| return nil, closeErr |
| } |
| |
| // Finish initializing |
| _parent.Child.InitializeParent(_parent, tpduReference, parameter, payload) |
| return _parent, nil |
| } |
| |
| func (m *S7Message) Serialize(writeBuffer utils.WriteBuffer) error { |
| return m.Child.Serialize(writeBuffer) |
| } |
| |
| func (m *S7Message) SerializeParent(writeBuffer utils.WriteBuffer, child IS7Message, serializeChildFunction func() error) error { |
| if pushErr := writeBuffer.PushContext("S7Message"); pushErr != nil { |
| return pushErr |
| } |
| |
| // Const Field (protocolId) |
| _protocolIdErr := writeBuffer.WriteUint8("protocolId", 8, 0x32) |
| if _protocolIdErr != nil { |
| return errors.Wrap(_protocolIdErr, "Error serializing 'protocolId' field") |
| } |
| |
| // Discriminator Field (messageType) (Used as input to a switch field) |
| messageType := uint8(child.MessageType()) |
| _messageTypeErr := writeBuffer.WriteUint8("messageType", 8, (messageType)) |
| |
| if _messageTypeErr != nil { |
| return errors.Wrap(_messageTypeErr, "Error serializing 'messageType' field") |
| } |
| |
| // Reserved Field (reserved) |
| { |
| _err := writeBuffer.WriteUint16("reserved", 16, uint16(0x0000)) |
| if _err != nil { |
| return errors.Wrap(_err, "Error serializing 'reserved' field") |
| } |
| } |
| |
| // Simple Field (tpduReference) |
| tpduReference := uint16(m.TpduReference) |
| _tpduReferenceErr := writeBuffer.WriteUint16("tpduReference", 16, (tpduReference)) |
| if _tpduReferenceErr != nil { |
| return errors.Wrap(_tpduReferenceErr, "Error serializing 'tpduReference' field") |
| } |
| |
| // Implicit Field (parameterLength) (Used for parsing, but it's value is not stored as it's implicitly given by the objects content) |
| parameterLength := uint16(utils.InlineIf(bool((m.Parameter) != (nil)), func() uint16 { return uint16(m.Parameter.LengthInBytes()) }, func() uint16 { return uint16(uint16(0)) })) |
| _parameterLengthErr := writeBuffer.WriteUint16("parameterLength", 16, (parameterLength)) |
| if _parameterLengthErr != nil { |
| return errors.Wrap(_parameterLengthErr, "Error serializing 'parameterLength' field") |
| } |
| |
| // Implicit Field (payloadLength) (Used for parsing, but it's value is not stored as it's implicitly given by the objects content) |
| payloadLength := uint16(utils.InlineIf(bool((m.Payload) != (nil)), func() uint16 { return uint16(m.Payload.LengthInBytes()) }, func() uint16 { return uint16(uint16(0)) })) |
| _payloadLengthErr := writeBuffer.WriteUint16("payloadLength", 16, (payloadLength)) |
| if _payloadLengthErr != nil { |
| return errors.Wrap(_payloadLengthErr, "Error serializing 'payloadLength' 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") |
| } |
| |
| // Optional Field (parameter) (Can be skipped, if the value is null) |
| var parameter *S7Parameter = nil |
| if m.Parameter != nil { |
| parameter = m.Parameter |
| _parameterErr := parameter.Serialize(writeBuffer) |
| if _parameterErr != nil { |
| return errors.Wrap(_parameterErr, "Error serializing 'parameter' field") |
| } |
| } |
| |
| // Optional Field (payload) (Can be skipped, if the value is null) |
| var payload *S7Payload = 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("S7Message"); popErr != nil { |
| return popErr |
| } |
| return nil |
| } |
| |
| func (m *S7Message) String() string { |
| if m == nil { |
| return "<nil>" |
| } |
| buffer := utils.NewBoxedWriteBufferWithOptions(true, true) |
| m.Serialize(buffer) |
| return buffer.GetBox().String() |
| } |