mirror of https://github.com/v2ray/v2ray-core
136 lines
3.0 KiB
Go
136 lines
3.0 KiB
Go
package log
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import (
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"context"
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"v2ray.com/core/app"
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"v2ray.com/core/app/log/internal"
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"v2ray.com/core/common"
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"v2ray.com/core/common/errors"
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)
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var (
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streamLoggerInstance internal.LogWriter = internal.NewStdOutLogWriter()
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debugLogger internal.LogWriter = streamLoggerInstance
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infoLogger internal.LogWriter = streamLoggerInstance
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warningLogger internal.LogWriter = streamLoggerInstance
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errorLogger internal.LogWriter = streamLoggerInstance
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)
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func SetLogLevel(level LogLevel) {
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debugLogger = new(internal.NoOpLogWriter)
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if level >= LogLevel_Debug {
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debugLogger = streamLoggerInstance
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}
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infoLogger = new(internal.NoOpLogWriter)
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if level >= LogLevel_Info {
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infoLogger = streamLoggerInstance
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}
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warningLogger = new(internal.NoOpLogWriter)
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if level >= LogLevel_Warning {
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warningLogger = streamLoggerInstance
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}
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errorLogger = new(internal.NoOpLogWriter)
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if level >= LogLevel_Error {
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errorLogger = streamLoggerInstance
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}
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}
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func InitErrorLogger(file string) error {
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logger, err := internal.NewFileLogWriter(file)
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if err != nil {
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return errors.Base(err).Message("Log: Failed to create error logger on file (", file, ")")
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}
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streamLoggerInstance = logger
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return nil
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}
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// Debug outputs a debug log with given format and optional arguments.
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func Debug(val ...interface{}) {
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debugLogger.Log(&internal.ErrorLog{
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Prefix: "[Debug]",
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Values: val,
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})
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}
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// Info outputs an info log with given format and optional arguments.
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func Info(val ...interface{}) {
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infoLogger.Log(&internal.ErrorLog{
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Prefix: "[Info]",
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Values: val,
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})
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}
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// Warning outputs a warning log with given format and optional arguments.
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func Warning(val ...interface{}) {
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warningLogger.Log(&internal.ErrorLog{
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Prefix: "[Warning]",
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Values: val,
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})
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}
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// Error outputs an error log with given format and optional arguments.
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func Error(val ...interface{}) {
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errorLogger.Log(&internal.ErrorLog{
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Prefix: "[Error]",
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Values: val,
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})
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}
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type Instance struct {
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config *Config
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}
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func New(ctx context.Context, config *Config) (*Instance, error) {
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return &Instance{config: config}, nil
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}
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func (*Instance) Interface() interface{} {
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return (*Instance)(nil)
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}
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func (g *Instance) Start() error {
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config := g.config
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if config.AccessLogType == LogType_File {
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if err := InitAccessLogger(config.AccessLogPath); err != nil {
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return err
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}
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}
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if config.ErrorLogType == LogType_None {
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SetLogLevel(LogLevel_Disabled)
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} else {
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if config.ErrorLogType == LogType_File {
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if err := InitErrorLogger(config.ErrorLogPath); err != nil {
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return err
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}
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}
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SetLogLevel(config.ErrorLogLevel)
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}
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return nil
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}
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func (*Instance) Close() {
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streamLoggerInstance.Close()
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accessLoggerInstance.Close()
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}
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func FromSpace(space app.Space) *Instance {
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v := space.GetApplication((*Instance)(nil))
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if logger, ok := v.(*Instance); ok && logger != nil {
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return logger
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}
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return nil
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}
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return New(ctx, config.(*Config))
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}))
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}
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