80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
/*
|
|
Copyright 2021 Qiniu Cloud (qiniu.com)
|
|
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 websocket
|
|
|
|
import (
|
|
"archive/tar"
|
|
"bytes"
|
|
"embed"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/RickLeee/goc/v2/pkg/log"
|
|
)
|
|
|
|
//go:embed websocket.tar
|
|
var depTarFile embed.FS
|
|
|
|
// AddCustomWebsocketDep injects custom gorrila/websocket library into the temporary directory
|
|
//
|
|
// 从 embed 文件系统中解压 websocket.tar 文件，并依次写入临时工程中，作为一个单独的包存在。
|
|
// gorrila/websocket 是一个无第三方依赖的库，因此其位置可以随处移动，而不影响自身的编译。
|
|
func AddCustomWebsocketDep(customWebsocketPath string) {
|
|
data, err := depTarFile.ReadFile("websocket.tar")
|
|
if err != nil {
|
|
log.Fatalf("cannot find the websocket.tar in the embed file: %v", err)
|
|
}
|
|
|
|
buf := bytes.NewBuffer(data)
|
|
tr := tar.NewReader(buf)
|
|
for {
|
|
hdr, err := tr.Next()
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
if err != nil {
|
|
log.Fatalf("cannot untar the websocket.tar: %v", err)
|
|
}
|
|
|
|
fpath := filepath.Join(customWebsocketPath, hdr.Name)
|
|
if hdr.FileInfo().IsDir() {
|
|
// 处理目录
|
|
err := os.MkdirAll(fpath, hdr.FileInfo().Mode())
|
|
if err != nil {
|
|
log.Fatalf("fail to untar the websocket.tar: %v", err)
|
|
}
|
|
} else {
|
|
// 处理文件
|
|
fdir := filepath.Dir(fpath)
|
|
err := os.MkdirAll(fdir, hdr.FileInfo().Mode())
|
|
if err != nil {
|
|
log.Fatalf("fail to untar the websocket.tar: %v", err)
|
|
}
|
|
|
|
f, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, hdr.FileInfo().Mode())
|
|
if err != nil {
|
|
log.Fatalf("fail to untar the websocket.tar: %v", err)
|
|
}
|
|
defer f.Close()
|
|
|
|
_, err = io.Copy(f, tr)
|
|
|
|
if err != nil {
|
|
log.Fatalf("fail to untar the websocket.tar: %v", err)
|
|
}
|
|
}
|
|
}
|
|
}
|