Documentation
¶
Index ¶
- Constants
- Variables
- func CreateModbusRequest(transactionID uint16, unitID byte, functionCode byte, data []byte) []byte
- func GetModbusExceptionCode(msg []byte) (byte, error)
- func IsModbusException(msg []byte) bool
- func ParseModbusFunction(msg []byte) (byte, error)
- type EchoMessageReader
- type HTTPMessageReader
- type ISO8583MessageReader
- type MPUMessageReader
- type ModbusMessageReader
- type Reader
Constants ¶
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const (
CRLF = "\r\n"
)
Variables ¶
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var Readers map[string]Reader
Functions ¶
func CreateModbusRequest ¶
CreateModbusRequest creates a properly formatted Modbus request
func GetModbusExceptionCode ¶
GetModbusExceptionCode extracts exception code if present
func IsModbusException ¶
IsModbusException checks if a Modbus response is an exception
func ParseModbusFunction ¶
ParseModbusFunction extracts the function code from a Modbus message
Types ¶
type EchoMessageReader ¶
type EchoMessageReader struct {
}
func (EchoMessageReader) Name ¶
func (e EchoMessageReader) Name() string
func (EchoMessageReader) ReadMessage ¶
func (e EchoMessageReader) ReadMessage(conn io.Reader) ([]byte, error)
ReadMessage message is expected \n terminated
type HTTPMessageReader ¶
type HTTPMessageReader struct{}
HTTPMessageReader for the HTTP protocol
func (HTTPMessageReader) Name ¶
func (H HTTPMessageReader) Name() string
func (HTTPMessageReader) ReadMessage ¶
func (H HTTPMessageReader) ReadMessage(conn io.Reader) ([]byte, error)
ReadMessage reads and parses an HTTP message from the connection
type ISO8583MessageReader ¶
type ISO8583MessageReader struct {
}
func (ISO8583MessageReader) Name ¶
func (I ISO8583MessageReader) Name() string
func (ISO8583MessageReader) ReadMessage ¶
func (I ISO8583MessageReader) ReadMessage(conn io.Reader) ([]byte, error)
ReadMessage assume including a header with the length of the 8583 message http://j8583.sourceforge.net/desc8583en.html otherwise, we have to parse iso8583 message
type MPUMessageReader ¶
type MPUMessageReader struct {
}
MPUMessageReader for reading MPU Switch format iso8583
func (MPUMessageReader) Name ¶
func (M MPUMessageReader) Name() string
func (MPUMessageReader) ReadMessage ¶
func (M MPUMessageReader) ReadMessage(conn io.Reader) ([]byte, error)
type ModbusMessageReader ¶
type ModbusMessageReader struct{}
func (ModbusMessageReader) Name ¶
func (m ModbusMessageReader) Name() string
func (ModbusMessageReader) ReadMessage ¶
func (m ModbusMessageReader) ReadMessage(conn io.Reader) ([]byte, error)
Source Files
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