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package ethutil
import (
"log"
"os"
"os/user"
"path"
)
type LogType byte
const (
LogTypeStdIn = 1
LogTypeFile = 2
)
// Config struct isn't exposed
type config struct {
Db Database
Log Logger
ExecPath string
Debug bool
Ver string
Pubkey []byte
Seed bool
}
var Config *config
// Read config doesn't read anything yet.
func ReadConfig(base string) *config {
if Config == nil {
usr, _ := user.Current()
path := path.Join(usr.HomeDir, base)
if len(base) > 0 {
//Check if the logging directory already exists, create it if not
_, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
log.Printf("Debug logging directory %s doesn't exist, creating it\n", path)
os.Mkdir(path, 0777)
}
}
}
Config = &config{ExecPath: path, Debug: true, Ver: "0.2.3"}
Config.Log = NewLogger(LogFile|LogStd, 0)
}
return Config
}
type LoggerType byte
const (
LogFile = 0x1
LogStd = 0x2
)
type Logger struct {
logSys []*log.Logger
logLevel int
}
func NewLogger(flag LoggerType, level int) Logger {
var loggers []*log.Logger
flags := log.LstdFlags | log.Lshortfile
if flag&LogFile > 0 {
file, err := os.OpenFile(path.Join(Config.ExecPath, "debug.log"), os.O_RDWR|os.O_CREATE|os.O_APPEND, os.ModePerm)
if err != nil {
log.Panic("unable to create file logger", err)
}
log := log.New(file, "[ETH]", flags)
loggers = append(loggers, log)
}
if flag&LogStd > 0 {
log := log.New(os.Stdout, "[ETH]", flags)
loggers = append(loggers, log)
}
return Logger{logSys: loggers, logLevel: level}
}
func (log Logger) Debugln(v ...interface{}) {
if log.logLevel != 0 {
return
}
for _, logger := range log.logSys {
logger.Println(v...)
}
}
func (log Logger) Debugf(format string, v ...interface{}) {
if log.logLevel != 0 {
return
}
for _, logger := range log.logSys {
logger.Printf(format, v...)
}
}
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