121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
package config
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"go.wit.com/log"
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"google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/encoding/prototext"
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"google.golang.org/protobuf/proto"
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)
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var ErrProtoFilename error = log.Errorf("proto does not have Filename")
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func ConfigSave(pb proto.Message) error {
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// log.Infof("ConfigSave() filename=%s %d\n", fullname, len(s))
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return saveTEXT(pb, "")
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}
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func ConfigSaveWithHeader(pb proto.Message, header string) error {
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var final error
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if err := saveTEXT(pb, header); err != nil {
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final = err
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}
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if err := saveJSON(pb); err != nil {
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final = err
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}
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/*
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if strings.HasSuffix(fullname, ".text") {
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fullname = strings.TrimSuffix(fullname, ".text")
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fullname += ".json"
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if err := configJSON(fullname, pb); err != nil {
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final = err
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}
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}
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*/
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return final
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}
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func saveTEXT(pb proto.Message, header string) error {
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// get pb.Filename if it is there in the .proto file
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fullname, ok := GetFilename(pb)
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if !ok {
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return ErrProtoFilename
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}
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if !strings.HasSuffix(fullname, ".text") {
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// todo: append .text here?
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return log.Errorf("not .text file: %s", fullname)
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}
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dir, name := filepath.Split(fullname)
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if name == "" {
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return fmt.Errorf("filename was blank")
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}
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if err := os.MkdirAll(dir, os.ModePerm); err != nil {
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return err
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}
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s := prototext.Format(pb)
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log.Infof("ConfigSave() filename=%s %d\n", fullname, len(s))
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return configWrite(fullname, []byte(header+s))
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}
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func saveJSON(pb proto.Message) error {
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// get pb.Filename if it is there in the .proto file
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fullname, ok := GetFilename(pb)
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if !ok {
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return ErrProtoFilename
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}
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if !strings.HasSuffix(fullname, ".text") {
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// todo: append .text here?
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return log.Errorf("not .text file: %s", fullname)
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}
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dir, name := filepath.Split(fullname)
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if name == "" {
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return fmt.Errorf("filename was blank")
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}
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if err := os.MkdirAll(dir, os.ModePerm); err != nil {
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return err
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}
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data := protojson.Format(pb)
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fullname += ".json"
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log.Infof("ConfigSave() filename=%s %d\n", fullname, len(data))
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return configWrite(fullname, []byte(data))
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}
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func configWrite(fullname string, data []byte) error {
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cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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defer cfgfile.Close()
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if err != nil {
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log.Warn("open config file :", err)
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return err
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}
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_, err = cfgfile.Write(data)
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return err
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}
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/*
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func (e *Events) Save() {
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var fullname string
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base, _ := filepath.Split(argv.Config)
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fullname = filepath.Join(base, "events.pb")
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data, err := e.Marshal()
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if err != nil {
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log.Info("proto.Marshal() failed", err)
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return
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}
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log.Info("proto.Marshal() worked len", len(data))
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configWrite(fullname, data)
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}
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*/
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