66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package logger
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import (
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"fmt"
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"io"
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"log"
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"os"
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"github.com/ethereum/go-ethereum/common"
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)
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func openLogFile(datadir string, filename string) *os.File {
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path := common.AbsolutePath(datadir, filename)
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file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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panic(fmt.Sprintf("error opening log file '%s': %v", filename, err))
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}
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return file
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}
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func New(datadir string, logFile string, logLevel int) LogSystem {
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var writer io.Writer
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if logFile == "" {
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writer = os.Stdout
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} else {
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writer = openLogFile(datadir, logFile)
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}
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var sys LogSystem
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sys = NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel))
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AddLogSystem(sys)
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return sys
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}
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func NewJSONsystem(datadir string, logFile string) LogSystem {
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var writer io.Writer
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if logFile == "-" {
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writer = os.Stdout
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} else {
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writer = openLogFile(datadir, logFile)
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}
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var sys LogSystem
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sys = NewJsonLogSystem(writer)
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AddLogSystem(sys)
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return sys
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}
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