Created
May 5, 2022 09:34
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Go 的日志处理
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package logging | |
import ( | |
"fmt" | |
"log" | |
"runtime" | |
) | |
const ( | |
DEBUG = "[DEBUG] " | |
INFO = "[INFO] " | |
WARN = "[WARN] " | |
ERR = "[ERROR] " | |
) | |
const ( | |
COLOR_RED = uint8(iota + 91) | |
COLOR_GREEN | |
COLOR_YELLOW | |
COLOR_BLUE | |
) | |
func Debug(v string) { | |
log.Printf(blue(DEBUG)+"%s", v) | |
} | |
func Debugf(format string, v ...interface{}) { | |
log.Printf(blue(DEBUG)+format, v...) | |
} | |
func Info(v string) { | |
log.Printf(green(INFO)+"%s", v) | |
} | |
func Infof(format string, v ...interface{}) { | |
log.Printf(green(INFO)+format, v...) | |
} | |
func Warn(v string) { | |
log.Printf(yellow(WARN)+"%s", v) | |
} | |
func Warnf(format string, v ...interface{}) { | |
log.Printf(yellow(WARN)+format, v...) | |
} | |
func Error(v string) { | |
log.Printf(red(ERR)+"%s \n %v", v, getStacksMsg(stacks(4))) | |
} | |
func Errorf(format string, v ...interface{}) { | |
msg := fmt.Sprintf(red(ERR)+format, v...) | |
log.Printf(msg+"\n %v", getStacksMsg(stacks(4))) | |
} | |
func Fatal(v string) { | |
log.Fatalf(red(ERR)+"%s", v) | |
} | |
func Fatalf(format string, v ...interface{}) { | |
log.Fatalf(red(ERR)+format, v...) | |
} | |
// -----------------------------Stack Info----------------------------------- | |
func getStacksMsg(stacks []*stack) string { | |
var stacksMsg string | |
for _, stack := range stacks { | |
stacksMsg += fmt.Sprintf("\tat %v \n", stack.String()) | |
} | |
return stacksMsg | |
} | |
func stacks(skip int) []*stack { | |
var stacks []*stack | |
pc := make([]uintptr, 32) | |
n := runtime.Callers(skip, pc) | |
for i := 0; i < n; i++ { | |
f := runtime.FuncForPC(pc[i]) | |
file, line := f.FileLine(pc[i]) | |
stacks = append(stacks, &stack{Source: file, Line: line, Func: f.Name()}) | |
} | |
return stacks | |
} | |
type stack struct { | |
Func string `json:"func"` | |
Line int `json:"line"` | |
Source string `json:"source"` | |
} | |
func (s *stack) String() string { | |
return fmt.Sprintf("%s:%d (Method: %s)", s.Source, s.Line, s.Func) | |
} | |
// -------------------------------COLOR--------------------------------- | |
func red(s string) string { | |
return fmt.Sprintf("\033[%dm%s\033[0m", COLOR_RED, s) | |
} | |
func green(s string) string { | |
return fmt.Sprintf("\033[%dm%s\033[0m", COLOR_GREEN, s) | |
} | |
func yellow(s string) string { | |
return fmt.Sprintf("\033[%dm%s\033[0m", COLOR_YELLOW, s) | |
} | |
func blue(s string) string { | |
return fmt.Sprintf("\033[%dm%s\033[0m", COLOR_BLUE, s) | |
} |
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// go test -timeout 30s -run ^TestError$ alsritter.icu/rabbit/logging -v -count=1 | |
package logging | |
import "testing" | |
func TestError(t *testing.T) { | |
type args struct { | |
v string | |
} | |
tests := []struct { | |
name string | |
args args | |
}{ | |
{ | |
"test error", | |
args{ | |
v: "this is a test error msg ~", | |
}, | |
}, | |
} | |
for _, tt := range tests { | |
t.Run(tt.name, func(t *testing.T) { | |
Error(tt.args.v) | |
}) | |
} | |
} |
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output:
2022/05/05 17:32:24 [ERROR] this is a test error msg ~
at /home/alsritter/.gosdk/sdk/current/src/testing/testing.go:1262 (Method: testing.tRunner)
at /home/alsritter/.gosdk/sdk/current/src/runtime/asm_amd64.s:1582 (Method: runtime.goexit)