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package logger
import (
"fmt"
"os"
"github.com/tendermint/log15"
. "github.com/tendermint/tendermint2/common"
"github.com/tendermint/tendermint2/config"
)
var rootHandler log15.Handler
func init() {
Reset()
}
// You might want to call this after resetting tendermint/config.
func Reset() {
handlers := []log15.Handler{}
// By default, there's a stdout terminal format handler.
handlers = append(handlers, log15.LvlFilterHandler(
getLevel(config.App().GetString("Log.Stdout.Level")),
log15.StreamHandler(os.Stdout, log15.TerminalFormat()),
))
// Maybe also write to a file.
if _logFileDir := config.App().GetString("Log.File.Dir"); _logFileDir != "" {
// Create log dir if it doesn't exist
err := os.MkdirAll(_logFileDir, 0700)
if err != nil {
fmt.Printf("Could not create directory: %v", err)
os.Exit(1)
}
// File handler
handlers = append(handlers, log15.LvlFilterHandler(
getLevel(config.App().GetString("Log.File.Level")),
log15.Must.FileHandler(_logFileDir+"/tendermint.log", log15.LogfmtFormat()),
))
}
// Set rootHandler.
rootHandler = log15.MultiHandler(handlers...)
// By setting handlers on the root, we handle events from all loggers.
log15.Root().SetHandler(rootHandler)
}
// See binary/log for an example of usage.
func RootHandler() log15.Handler {
return rootHandler
}
func New(ctx ...interface{}) log15.Logger {
return log15.Root().New(ctx...)
}
func getLevel(lvlString string) log15.Lvl {
lvl, err := log15.LvlFromString(lvlString)
if err != nil {
Exit(Fmt("Invalid log level %v: %v", lvlString, err))
}
return lvl
}