iso8583

package
v1.0.4 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 15, 2021 License: Apache-2.0 Imports: 13 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	V1         = "V1"
	V0         = "V0"
	IsoMsg1100 = "1100"
	IsoMsg1110 = "1110"
	IsoMsg1420 = "1420"
	IsoMsg1430 = "1430"
	IsoMsg1804 = "1804"
	IsoMsg1814 = "1814"

	IsoRespDecline  = "100"
	IsoRespPickup   = "200"
	IsoRespApproval = "000"
	IsoFormatError  = "909"
	IsoRespDrop     = "999"
)

Variables

View Source 
var ErrUnsupportedEncoding = errors.New("libiso: Invalid/Unsupported field encoding")

Functions

func CopyRequestToResponse 

func CopyRequestToResponse(isoReq *Iso8583Message, isoResp *Iso8583Message)

copy all data from request to response message

func GetSpecNames 

func GetSpecNames() []string

GetSpecNames returns names of all available specs

func ReadSpecDefs 

func ReadSpecDefs(fileName string)

func ReadSpecDefsFromBuf 

func ReadSpecDefsFromBuf(buf *bytes.Buffer)

Types

type BitMap 

type BitMap struct {
	// contains filtered or unexported fields
}

func NewBitMap 

func NewBitMap() *BitMap

func (*BitMap) Bytes 

func (bmp *BitMap) Bytes() []byte

func (*BitMap) Def 

func (bmp *BitMap) Def() string

func (*BitMap) GetId 

func (bmp *BitMap) GetId() int

func (*BitMap) IsOn 

func (bmp *BitMap) IsOn(pos int) bool

check if the bit at position 'pos' is set as 1

func (*BitMap) Parse 

func (bmp *BitMap) Parse(isoMsg *Iso8583Message, buf *bytes.Buffer)

func (*BitMap) SetId 

func (bmp *BitMap) SetId(id int)

func (*BitMap) SetOff 

func (bmp *BitMap) SetOff(pos int)

func (*BitMap) SetOn 

func (bmp *BitMap) SetOn(pos int)

func (*BitMap) SetSpec 

func (bmp *BitMap) SetSpec(isoMsgDef *MessageDef)

type BitmappedField 

type BitmappedField interface {
	Parse(isoMsg *Iso8583Message, buf *bytes.Buffer)
	IsOn(int) bool
	SetOn(int)
	SetOff(int)
	SetId(int)
	GetId() int
	SetSpec(isoMsgDef *MessageDef)
	Bytes() []byte
	Def() string
}

type FieldAttributes 

type FieldAttributes struct {
	DataEncoding           string
	FieldLength            int
	Key                    bool
	FieldIndicatorLength   int
	FieldIndicatorEncoding string
	Padding                string
}

type FieldData 

type FieldData struct {
	// contains filtered or unexported fields
}

func (*FieldData) BitmapDef 

func (fldData *FieldData) BitmapDef() *BitMap

func (FieldData) Bytes 

func (fldData FieldData) Bytes() []byte

return the raw data associated with this field it will also include any ll portions for a variable field

func (*FieldData) Def 

func (fldData *FieldData) Def() IsoField

func (*FieldData) SetData 

func (fldData *FieldData) SetData(value string) error

SetData sets field data as per the encoding additional padding will be applied if required

func (FieldData) String 

func (fldData FieldData) String() string

type FieldDefExp 

type FieldDefExp struct {
	BitPosition int
	Name        string
	JsSafeName  string
	Data        string
	Id          int
}

FieldDefExp represents the ISO8583 field information required to be sent as JSON to paysim application

func GetSpecLayout 

func GetSpecLayout(specName string) []*FieldDefExp

GetSpecLayout returns all fields associated with a spec

type FixedFieldDef 

type FixedFieldDef struct {
	// contains filtered or unexported fields
}

func NewFixedFieldDef 

func NewFixedFieldDef(pName string, pDataEncoding int, pFieldLen int) *FixedFieldDef

create a new fixed field definition

func (*FixedFieldDef) Assemble 

func (fieldDef *FixedFieldDef) Assemble(isoMsg *Iso8583Message, buf *bytes.Buffer)

add the field data into buf as per the encoding

func (*FixedFieldDef) BitPosition 

func (fieldDef *FixedFieldDef) BitPosition() int

func (*FixedFieldDef) DataLength 

func (fieldDef *FixedFieldDef) DataLength() int

func (*FixedFieldDef) Def 

func (fieldDef *FixedFieldDef) Def() string

func (*FixedFieldDef) EncodedLength 

func (fieldDef *FixedFieldDef) EncodedLength(dataLen int) []byte

func (*FixedFieldDef) GetId 

func (fieldDef *FixedFieldDef) GetId() int

func (*FixedFieldDef) IsFixed 

func (fieldDef *FixedFieldDef) IsFixed() bool

func (*FixedFieldDef) Parse 

func (fieldDef *FixedFieldDef) Parse(
	isoMsg *Iso8583Message,
	fData *FieldData,
	buf *bytes.Buffer) *FieldData

parse and return field data by reading appropriate bytes from the buffer buf

func (*FixedFieldDef) SetBitPosition 

func (fieldDef *FixedFieldDef) SetBitPosition(id int)

func (*FixedFieldDef) SetId 

func (fieldDef *FixedFieldDef) SetId(id int)

func (*FixedFieldDef) String 

func (fieldDef *FixedFieldDef) String() string

type Iso8583Message 

type Iso8583Message struct {
	// contains filtered or unexported fields
}

Iso8583Message represents a ISO message within a specification

func NewIso8583Message 

func NewIso8583Message(specName string) *Iso8583Message

NewIso8583Message returns a new message for the spec

func (*Iso8583Message) Bitmap 

func (isoMsg *Iso8583Message) Bitmap() *BitMap

Bitmap returns bitmap within the message

func (*Iso8583Message) Bytes 

func (isoMsg *Iso8583Message) Bytes() []byte

func (*Iso8583Message) Dump 

func (isoMsg *Iso8583Message) Dump() string

create a string dump of the iso message

func (*Iso8583Message) Field 

func (isoMsg *Iso8583Message) Field(pos int) (*FieldData, error)

func (*Iso8583Message) GetBinaryBitmap 

func (isoMsg *Iso8583Message) GetBinaryBitmap() string

GetBinaryBitmap returns the 'Bitmap' as binary string

func (*Iso8583Message) GetFieldByName 

func (isoMsg *Iso8583Message) GetFieldByName(name string) *FieldData

set field

func (*Iso8583Message) GetFieldData 

func (isoMsg *Iso8583Message) GetFieldData(position int) (data string, err error)

GetFieldData returns the data associated with the 'position' 

in the iso_msg

func (*Iso8583Message) GetFieldDataById 

func (isoMsg *Iso8583Message) GetFieldDataById(id int) *FieldData

func (*Iso8583Message) GetMessageType 

func (isoMsg *Iso8583Message) GetMessageType() string

GetMessageType returns the 'Message Type' as string

func (*Iso8583Message) IsSelected 

func (isoMsg *Iso8583Message) IsSelected(position int) bool

IsSelected returns a boolean indicating 

if the 'position' is selected in the bitmap

func (*Iso8583Message) Parse 

func (isoMsg *Iso8583Message) Parse(buf *bytes.Buffer) (err error)

parse the bytes from 'buf' and populate 'Iso8583Message'

func (*Iso8583Message) SetData 

func (isoMsg *Iso8583Message) SetData(data []string)

SetData sets data into individual fields by id

func (*Iso8583Message) SetField 

func (isoMsg *Iso8583Message) SetField(pos int, value string)

set field

func (*Iso8583Message) SetFieldData 

func (isoMsg *Iso8583Message) SetFieldData(id int, fieldVal string)

func (*Iso8583Message) SpecName 

func (isoMsg *Iso8583Message) SpecName() string

SpecName returns the name of the specification for this message

func (*Iso8583Message) TabularFormat 

func (isoMsg *Iso8583Message) TabularFormat() *list.List

create a string dump of the iso message

func (*Iso8583Message) ToWebMsg 

func (isoMsg *Iso8583Message) ToWebMsg(isReq bool) *WebMsgData

ToWebMsg

type IsoField 

type IsoField interface {
	Parse(*Iso8583Message, *FieldData, *bytes.Buffer) *FieldData
	Assemble(*Iso8583Message, *bytes.Buffer)
	String() string
	IsFixed() bool
	SetId(int)
	GetId() int
	DataLength() int
	EncodedLength(int) []byte

	Def() string

	BitPosition() int
	SetBitPosition(int)
	// contains filtered or unexported methods
}

type JsonFieldDef 

type JsonFieldDef struct {
	BitPosition int
	Name        string
	Type        string
	Attrs       FieldAttributes
	Children    []JsonFieldDef
}

JsonFieldDef represents the definition of a field in the specs.json file

type JsonSpecDef 

type JsonSpecDef struct {
	SpecName string
	Fields   []JsonFieldDef
}

JsonSpecDef represents the definition of a field in the specs.json file

type JsonSpecDefs 

type JsonSpecDefs struct {
	Specs []JsonSpecDef
}

type MessageDef 

type MessageDef struct {
	// contains filtered or unexported fields
}

func GetMessageDefByName 

func GetMessageDefByName(specName string) *MessageDef

GetMessageDefByName returns a spec definition for the given spec_name

func GetSpecs 

func GetSpecs() []*MessageDef

GetSpecs returns all available specs

func (*MessageDef) Name 

func (isoDef *MessageDef) Name() string

type Tuple added in v1.0.2 

type Tuple struct {
	// contains filtered or unexported fields
}

func NewTuple added in v1.0.2 

func NewTuple(s string, s2 string) *Tuple

type VariableFieldDef 

type VariableFieldDef struct {
	// contains filtered or unexported fields
}

VariableFieldDef represents the definition of a variable field

func NewVariableFieldDef 

func NewVariableFieldDef(pName string,
	pLenEncoding int,
	pDataEncoding int,
	pLenIndSize int) *VariableFieldDef

NewVariableFieldDef creates a new fixed field definition

func (*VariableFieldDef) Assemble 

func (field *VariableFieldDef) Assemble(isoMsg *Iso8583Message, buf *bytes.Buffer)

add the field data into buf as per the encoding

func (*VariableFieldDef) BitPosition 

func (field *VariableFieldDef) BitPosition() int

func (*VariableFieldDef) DataLength 

func (field *VariableFieldDef) DataLength() int

func (*VariableFieldDef) Def 

func (field *VariableFieldDef) Def() string

func (*VariableFieldDef) EncodedLength 

func (field *VariableFieldDef) EncodedLength(dataLen int) []byte

return the length part of the variable field as a []byte slice

func (*VariableFieldDef) GetId 

func (field *VariableFieldDef) GetId() int

func (*VariableFieldDef) IsFixed 

func (field *VariableFieldDef) IsFixed() bool

func (*VariableFieldDef) Parse 

func (field *VariableFieldDef) Parse(
	isoMsg *Iso8583Message,
	fData *FieldData,
	buf *bytes.Buffer) *FieldData

func (*VariableFieldDef) SetBitPosition 

func (field *VariableFieldDef) SetBitPosition(id int)

func (*VariableFieldDef) SetId 

func (field *VariableFieldDef) SetId(id int)

func (*VariableFieldDef) String 

func (field *VariableFieldDef) String() string

type WebMsgData 

type WebMsgData struct {
	Spec      string
	Type      string
	DataArray []string
}

To send data back and forth between browser and paysim application

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