go-ethereum/logger/log.go
2015-01-04 14:20:16 +01:00

34 lines
674 B
Go

package logger
import (
"fmt"
"io"
"log"
"os"
"github.com/ethereum/go-ethereum/ethutil"
)
func openLogFile(datadir string, filename string) *os.File {
path := ethutil.AbsolutePath(datadir, filename)
file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
panic(fmt.Sprintf("error opening log file '%s': %v", filename, err))
}
return file
}
func New(datadir string, logFile string, logLevel int) LogSystem {
var writer io.Writer
if logFile == "" {
writer = os.Stdout
} else {
writer = openLogFile(datadir, logFile)
}
sys := NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel))
AddLogSystem(sys)
return sys
}