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)