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65 lines
1.6 KiB
65 lines
1.6 KiB
package logger
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import (
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"fmt"
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"os"
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"github.com/tendermint/log15"
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. "github.com/tendermint/tendermint/common"
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"github.com/tendermint/tendermint/config"
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)
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var rootHandler log15.Handler
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func init() {
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Reset()
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}
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// You might want to call this after resetting tendermint/config.
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func Reset() {
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handlers := []log15.Handler{}
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// By default, there's a stdout terminal format handler.
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handlers = append(handlers, log15.LvlFilterHandler(
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getLevel(config.App().GetString("Log.Stdout.Level")),
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log15.StreamHandler(os.Stdout, log15.TerminalFormat()),
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))
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// Maybe also write to a file.
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if _logFileDir := config.App().GetString("Log.File.Dir"); _logFileDir != "" {
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// Create log dir if it doesn't exist
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err := os.MkdirAll(_logFileDir, 0700)
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if err != nil {
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fmt.Printf("Could not create directory: %v", err)
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os.Exit(1)
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}
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// File handler
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handlers = append(handlers, log15.LvlFilterHandler(
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getLevel(config.App().GetString("Log.File.Level")),
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log15.Must.FileHandler(_logFileDir+"/tendermint.log", log15.LogfmtFormat()),
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))
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}
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// Set rootHandler.
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rootHandler = log15.MultiHandler(handlers...)
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// By setting handlers on the root, we handle events from all loggers.
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log15.Root().SetHandler(rootHandler)
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}
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// See binary/log for an example of usage.
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func RootHandler() log15.Handler {
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return rootHandler
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}
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func New(ctx ...interface{}) log15.Logger {
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return log15.Root().New(ctx...)
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}
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func getLevel(lvlString string) log15.Lvl {
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lvl, err := log15.LvlFromString(lvlString)
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if err != nil {
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Exit(Fmt("Invalid log level %v: %v", lvlString, err))
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}
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return lvl
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}
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