86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
package logger
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import (
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"fmt"
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"strings"
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"time"
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)
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// DefaultLogger is used if no logger has been set up.
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type defaultLogger struct {
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namespaces []string
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}
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// log simply logs the given message to stdout if the message
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// caller is allowed to log.
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func (d *defaultLogger) log(level, caller, msg string) {
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if !d.shouldLog(caller) {
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// return
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}
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t := time.Now()
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fmt.Println(
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"["+level+"]",
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t.Format(time.RFC3339),
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caller,
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"▶ ",
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msg,
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)
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}
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// shouldLog determines whether or not the given caller should
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// be allowed to log messages.
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func (d *defaultLogger) shouldLog(caller string) bool {
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shouldLog := false
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d.ensureNamespaces()
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for _, namespace := range d.namespaces {
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if namespace == "all" {
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shouldLog = true
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}
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if strings.Contains(caller, namespace) {
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shouldLog = true
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}
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}
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return shouldLog
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}
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// ensureNamespaces checks to see if our list of loggable namespaces
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// has been initialized or not. If not, it defaults to log all.
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func (d *defaultLogger) ensureNamespaces() {
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if d.namespaces == nil {
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d.namespaces = []string{"all"}
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}
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}
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// Debug is used to log debug messages.
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func (d *defaultLogger) Debug(caller, msg string) {
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//d.log("DEBUG", caller, msg)
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}
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// Info is used to log info messages.
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func (d *defaultLogger) Info(caller, msg string) {
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d.log("INFO", caller, msg)
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}
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// Warning is used to log warning messages.
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func (d *defaultLogger) Warning(caller, msg string) {
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d.log("WARNING", caller, msg)
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}
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// Error is used to log error messages.
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func (d *defaultLogger) Error(caller, msg string) {
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d.log("ERROR", caller, msg)
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}
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// Configure takes a configuration string separated by commas
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// that contains all the callers that should be logged. This
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// allows granular logging of different go files.
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//
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// Example:
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// logger.Configure("RootKey.go,Curve.go")
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// logger.Configure("all")
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//
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func (d *defaultLogger) Configure(settings string) {
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d.namespaces = strings.Split(settings, ",")
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}
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