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135 lines
3.7 KiB
Go
135 lines
3.7 KiB
Go
package generator
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/tal-tech/go-zero/core/collection"
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conf "github.com/tal-tech/go-zero/tools/goctl/config"
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"github.com/tal-tech/go-zero/tools/goctl/rpc/execx"
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"github.com/tal-tech/go-zero/tools/goctl/rpc/parser"
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"github.com/tal-tech/go-zero/tools/goctl/util"
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"github.com/tal-tech/go-zero/tools/goctl/vars"
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)
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// GenPb generates the pb.go file, which is a layer of packaging for protoc to generate gprc,
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// but the commands and flags in protoc are not completely joined in goctl. At present, proto_path(-I) is introduced
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func (g *DefaultGenerator) GenPb(ctx DirContext, protoImportPath []string, proto parser.Proto, _ *conf.Config, goOptions ...string) error {
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dir := ctx.GetPb()
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cw := new(bytes.Buffer)
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directory, _ := filepath.Split(proto.Src)
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directory = filepath.Clean(directory)
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cw.WriteString("protoc ")
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protoImportPathSet := collection.NewSet()
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for _, ip := range protoImportPath {
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pip := " --proto_path=" + ip
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if protoImportPathSet.Contains(pip) {
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continue
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}
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protoImportPathSet.AddStr(pip)
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cw.WriteString(pip)
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}
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currentPath := " --proto_path=" + directory
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if !protoImportPathSet.Contains(currentPath) {
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cw.WriteString(currentPath)
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}
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cw.WriteString(" " + proto.Name)
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if strings.Contains(proto.GoPackage, "/") {
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cw.WriteString(" --go_out=plugins=grpc:" + ctx.GetMain().Filename)
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} else {
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cw.WriteString(" --go_out=plugins=grpc:" + dir.Filename)
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}
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return g.generatePbWithVersion132(cw.String())
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}
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// generatePbWithVersion132 generates pb.go by specifying protoc-gen-go@1.3.2 version
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func (g *DefaultGenerator) generatePbWithVersion132(cmd string) error {
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goctlHome, err := util.GetGoctlHome()
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if err != nil {
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return err
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}
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err = util.MkdirIfNotExist(goctlHome)
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if err != nil {
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return err
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}
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goctlHomeBin := filepath.Join(goctlHome, "bin")
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err = util.MkdirIfNotExist(goctlHomeBin)
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if err != nil {
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return err
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}
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protocGenGo := filepath.Join(goctlHome, "bin", "protoc-gen-go")
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g.log.Debug("checking protoc-gen-go state ...")
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goGetCmd := "\ngo install github.com/golang/protobuf/protoc-gen-go@v1.3.2"
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if util.FileExists(protocGenGo) {
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g.log.Success("protoc-gen-go exists ...")
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goGetCmd = ""
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} else {
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g.log.Error("missing protoc-gen-go: downloading ...")
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}
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goos := runtime.GOOS
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switch goos {
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case vars.OsLinux, vars.OsMac:
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cmd = getUnixLikeCmd(goctlHome, goctlHomeBin, goGetCmd, cmd)
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g.log.Debug("%s", cmd)
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case vars.OsWindows:
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cmd = getWindowsCmd(goctlHome, goctlHomeBin, goGetCmd, cmd)
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// Do not support to execute commands in context, the solution is created
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// a batch file to execute it on Windows.
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batFile, err := createBatchFile(goctlHome, cmd)
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if err != nil {
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return err
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}
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g.log.Debug("%s", cmd)
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cmd = batFile
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default:
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return fmt.Errorf("unsupported os: %s", goos)
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}
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_, err = execx.Run(cmd, "")
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return err
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}
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func getUnixLikeCmd(goctlHome, goctlHomeBin, goGetCmd, cmd string) string {
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return fmt.Sprintf(`export GOPATH=%s
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export GOBIN=%s
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export PATH=$PATH:$GOPATH:$GOBIN
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export GO111MODULE=on
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export GOPROXY=https://goproxy.cn %s
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%s`, goctlHome, goctlHomeBin, goGetCmd, cmd)
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}
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func getWindowsCmd(goctlHome, goctlHomeBin, goGetCmd, cmd string) string {
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return fmt.Sprintf(`set GOPATH=%s
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set GOBIN=%s
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set path=%s
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set GO111MODULE=on
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set GOPROXY=https://goproxy.cn %s
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%s`, goctlHome, goctlHomeBin, "%path%;"+goctlHome+";"+goctlHomeBin, goGetCmd, cmd)
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}
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func createBatchFile(goctlHome, cmd string) (string, error) {
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batFile := filepath.Join(goctlHome, ".generate.bat")
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if !util.FileExists(batFile) {
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err := ioutil.WriteFile(batFile, []byte(cmd), os.ModePerm)
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if err != nil {
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return "", err
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}
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}
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return batFile, nil
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}
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