debug

Documentation

Overview

Package debug provides functions for debug logging.

Index

• Variables
• func FlagSet(name string) bool
• func NewPrefixLogger(format string, args ...interface{}) *log.Logger
• func Printf(format string, args ...interface{})
• func ToJSON(v interface{}) string

Variables

var Enable bool = FlagSet("debug")

Enable controls whether debug logging is enabled. It is disabled by default.

var Flags = os.Getenv("OPC_DEBUG")

Flags contains the debug flags set by OPC_DEBUG.

• codec : print detailed debugging information when encoding/decoding

var Logger = log.New(os.Stderr, fmt.Sprintf("%v:debug: ", time.Now()), 0)

Logger logs the debug messages when debug logging is enabled.

Functions

func FlagSet

func FlagSet(name string) bool

FlagSet returns true if the OPCUA_DEBUG environment variable contains the given flag.

func NewPrefixLogger

func NewPrefixLogger(format string, args ...interface{}) *log.Logger

PrefixLogger returns a new debug logger when debug logging is enabled. Otherwise, a discarding logger is returned.

func Printf

func Printf(format string, args ...interface{})

Printf logs the message with Logger.Printf() when debug logging is enabled.

func ToJSON

func ToJSON(v interface{}) string

ToJSON returns the JSON representation of v when debug logging is enabled.