https://github.com/byebyebruce/pbdynamic

通过读取protobuf的file descriptor(protoc --descriptor_set_out)构造动态类型
https://github.com/byebyebruce/pbdynamic

descriptor dynamic dynamicpb proto protobuf protoc

Last synced: about 5 hours ago
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通过读取protobuf的file descriptor(protoc --descriptor_set_out)构造动态类型

• Host: GitHub
• URL: https://github.com/byebyebruce/pbdynamic
• Owner: byebyebruce
• Created: 2022-09-30T06:44:34.000Z (about 2 years ago)
• Default Branch: master
• Last Pushed: 2022-09-30T07:02:16.000Z (about 2 years ago)
• Last Synced: 2024-06-21T20:03:26.520Z (5 months ago)
• Topics: descriptor, dynamic, dynamicpb, proto, protobuf, protoc
• Language: Go
• Homepage:
• Size: 9.77 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# pbdynamic

动态解析 protobuf 类型

## 原理解释  

通过加载pb 描述符文件(protoc --descriptor_set_out=xxx.pb.desc xxx.proto)，不需要重新编译xxx.pb.go的情况下动态的构造pb类型，  

进而反序列化字节，并打印信息

## 快速使用

1. 生成filedesc文件

* [示例](testdata/gen.sh)

```shell

protoc --descriptor_set_out=xxx.pb.desc xxx.proto

```

2. 依赖包

```shell

go get github.com/byebyebruce/pbdynamic@latest

```

3. 解析从字节动态反序列化pb并打印

```go

err := pbdynamic.LoadFiles("xxx.pb.desc")

if err != nil {

    panic(err)

}

// bs 是从其他地方来的pb序列化后的字节

fmt.Println(pbdynamic.String(bs, "mypkg.SomeTypeName"))

```