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// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package log
import (
"os"
"path/filepath"
)
// File creates a new Logger that will write messages to the specified file path.
// If a file exists at the specified path, then this file will be overwritten.
func File(path string) (Logger, error) {
os.MkdirAll(filepath.Dir(path), 0755)
file, err := os.Create(path)
if err != nil {
return nil, err
}
out := make(chan interface{}, 64)
go func() {
defer file.Close()
for t := range out {
switch t := t.(type) {
case Entry:
file.WriteString(t.String())
case FlushRequest:
file.Sync()
close(t)
}
}
}()
nextUid := uint32(1)
return &channel{
uid: 0,
nextUid: &nextUid,
scope: "",
out: out,
}, nil
}
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