Content inside fengaldar
(The raw file follows this syntax highlighted file.)
package fengaldar
import (
"fmt"
"strings"
)
type LogContext map[string]string
func (lc LogContext) String() string {
var s strings.Builder
s.WriteString(" \u250f\n")
for k, v := range lc {
s.WriteString(fmt.Sprintf(" \u2503 %q: %q\n", k, v))
}
s.WriteString(" \u2517")
return s.String()
}
func (lc LogContext) JSON() string {
var s strings.Builder
s.WriteString("{")
first := true
for k, v := range lc {
if !first {
s.WriteString(",")
}
s.WriteString(fmt.Sprintf("%q:%q", k, v))
first = false
}
s.WriteString("}")
return s.String()
}
type Logger interface {
Println(...interface{})
Log(string, LogContext) // TODO - severity... LogFatal... LogDebug... or maybe Fatal... Debug... with 'Log' being Info
/*
Debug - debug or trace information.
Info - routine information, such as ongoing status or performance.
Notice - normal but significant events, such as start up, shut down, or configuration.
Warning - events that might cause problems.
Error - events that are likely to cause problems.
Critical - events that cause more severe problems or brief outages.
Alert - a person must take an action immediately.
Emergency - one or more systems are unusable.
*/
}
func NewLogger() Logger { return &simpleLogger{} }
type simpleLogger struct{}
func (sl simpleLogger) Println(ss ...interface{}) { fmt.Println(ss...) }
func (sl simpleLogger) Log(s string, lc LogContext) { fmt.Println(s); fmt.Println(lc) }
func NewJSONLogger() Logger { return &jsonLogger{} }
type jsonLogger struct{}
func (jl jsonLogger) Println(ss ...interface{}) {
var jss strings.Builder
for i, s := range ss {
if i > 0 {
jss.WriteString("\n")
}
jss.WriteString(s.(string))
}
fmt.Printf(`{"message":%q}
`, jss.String())
}
func (jl jsonLogger) Log(s string, lc LogContext) {
fmt.Printf(`{"message":%q, "additionalContext":%q}
`, s, lc.JSON())
}
The raw file follows...
package fengaldar
import (
"fmt"
"strings"
)
type LogContext map[string]string
func (lc LogContext) String() string {
var s strings.Builder
s.WriteString(" \u250f\n")
for k, v := range lc {
s.WriteString(fmt.Sprintf(" \u2503 %q: %q\n", k, v))
}
s.WriteString(" \u2517")
return s.String()
}
func (lc LogContext) JSON() string {
var s strings.Builder
s.WriteString("{")
first := true
for k, v := range lc {
if !first {
s.WriteString(",")
}
s.WriteString(fmt.Sprintf("%q:%q", k, v))
first = false
}
s.WriteString("}")
return s.String()
}
type Logger interface {
Println(...interface{})
Log(string, LogContext) // TODO - severity... LogFatal... LogDebug... or maybe Fatal... Debug... with 'Log' being Info
/*
Debug - debug or trace information.
Info - routine information, such as ongoing status or performance.
Notice - normal but significant events, such as start up, shut down, or configuration.
Warning - events that might cause problems.
Error - events that are likely to cause problems.
Critical - events that cause more severe problems or brief outages.
Alert - a person must take an action immediately.
Emergency - one or more systems are unusable.
*/
}
func NewLogger() Logger { return &simpleLogger{} }
type simpleLogger struct{}
func (sl simpleLogger) Println(ss ...interface{}) { fmt.Println(ss...) }
func (sl simpleLogger) Log(s string, lc LogContext) { fmt.Println(s); fmt.Println(lc) }
func NewJSONLogger() Logger { return &jsonLogger{} }
type jsonLogger struct{}
func (jl jsonLogger) Println(ss ...interface{}) {
var jss strings.Builder
for i, s := range ss {
if i > 0 {
jss.WriteString("\n")
}
jss.WriteString(s.(string))
}
fmt.Printf(`{"message":%q}
`, jss.String())
}
func (jl jsonLogger) Log(s string, lc LogContext) {
fmt.Printf(`{"message":%q, "additionalContext":%q}
`, s, lc.JSON())
}