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v2fly/infra/vprotogen/main.go

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2019-02-10 18:04:11 +00:00
package main
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"v2ray.com/core/common"
)
var protocMap = map[string]string{
"windows": filepath.Join(os.Getenv("GOPATH"), "src", "v2ray.com", "core", ".dev", "protoc", "windows", "protoc.exe"),
"darwin": filepath.Join(os.Getenv("GOPATH"), "src", "v2ray.com", "core", ".dev", "protoc", "macos", "protoc"),
"linux": filepath.Join(os.Getenv("GOPATH"), "src", "v2ray.com", "core", ".dev", "protoc", "linux", "protoc"),
}
var (
repo = flag.String("repo", "", "Repo for protobuf generation, such as v2ray.com/core")
)
func main() {
flag.Parse()
protofiles := make(map[string][]string)
protoc := protocMap[runtime.GOOS]
gosrc := filepath.Join(os.Getenv("GOPATH"), "src")
reporoot := filepath.Join(os.Getenv("GOPATH"), "src", *repo)
filepath.Walk(reporoot, func(path string, info os.FileInfo, err error) error {
if err != nil {
fmt.Println(err)
return err
}
if info.IsDir() {
return nil
}
dir := filepath.Dir(path)
filename := filepath.Base(path)
if strings.HasSuffix(filename, ".proto") {
protofiles[dir] = append(protofiles[dir], path)
}
return nil
})
for _, files := range protofiles {
args := []string{"--proto_path", gosrc, "--go_out", "plugins=grpc:" + gosrc}
args = append(args, files...)
cmd := exec.Command(protoc, args...)
cmd.Env = append(cmd.Env, os.Environ()...)
output, err := cmd.CombinedOutput()
if len(output) > 0 {
fmt.Println(string(output))
}
if err != nil {
fmt.Println(err)
}
}
common.Must(filepath.Walk(reporoot, func(path string, info os.FileInfo, err error) error {
if err != nil {
fmt.Println(err)
return err
}
if info.IsDir() {
return nil
}
if !strings.HasSuffix(info.Name(), ".pb.go") {
return nil
}
content, err := ioutil.ReadFile(path)
if err != nil {
return err
}
content = bytes.Replace(content, []byte("\"golang.org/x/net/context\""), []byte("\"context\""), 1)
pos := bytes.Index(content, []byte("\npackage"))
if pos > 0 {
content = content[pos+1:]
}
return ioutil.WriteFile(path, content, info.Mode())
}))
}