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https://github.com/multiformats/go-multiaddr
Composable and future-proof network addresses
https://github.com/multiformats/go-multiaddr
Last synced: 18 days ago
JSON representation
Composable and future-proof network addresses
- Host: GitHub
- URL: https://github.com/multiformats/go-multiaddr
- Owner: multiformats
- License: mit
- Created: 2014-07-04T06:53:02.000Z (almost 10 years ago)
- Default Branch: master
- Last Pushed: 2024-05-16T17:57:36.000Z (about 1 month ago)
- Last Synced: 2024-05-16T18:58:31.562Z (about 1 month ago)
- Language: Go
- Homepage: https://github.com/multiformats/multiaddr
- Size: 1.06 MB
- Stars: 249
- Watchers: 26
- Forks: 100
- Open Issues: 28
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Lists
- go-awesome - go-multiaddr - multiaddr (开源类库 / 网络)
- go-awesome - go-multiaddr - multiaddr (Open source library / The Internet)
- go-awesome - go-multiaddr - multiaddr (开源类库 / 网络)
README
# go-multiaddr
[](http://ipn.io)
[](https://github.com/multiformats/multiformats)
[](https://webchat.freenode.net/?channels=%23ipfs)
[](https://github.com/RichardLitt/standard-readme)
[](https://godoc.org/github.com/multiformats/go-multiaddr)
[](https://travis-ci.org/multiformats/go-multiaddr)
[](https://codecov.io/github/multiformats/go-multiaddr?branch=master)
> [multiaddr](https://github.com/multiformats/multiaddr) implementation in go
Multiaddr is a standard way to represent addresses that:
- Support any standard network protocols.
- Self-describe (include protocols).
- Have a binary packed format.
- Have a nice string representation.
- Encapsulate well.
## Table of Contents
- [Install](#install)
- [Usage](#usage)
- [Example](#example)
- [Simple](#simple)
- [Protocols](#protocols)
- [En/decapsulate](#endecapsulate)
- [Tunneling](#tunneling)
- [Maintainers](#maintainers)
- [Contribute](#contribute)
- [License](#license)
## Install
```sh
go get github.com/multiformats/go-multiaddr
```
## Usage
### Example
#### Simple
```go
import ma "github.com/multiformats/go-multiaddr"
// construct from a string (err signals parse failure)
m1, err := ma.NewMultiaddr("/ip4/127.0.0.1/udp/1234")
// construct from bytes (err signals parse failure)
m2, err := ma.NewMultiaddrBytes(m1.Bytes())
// true
strings.Equal(m1.String(), "/ip4/127.0.0.1/udp/1234")
strings.Equal(m1.String(), m2.String())
bytes.Equal(m1.Bytes(), m2.Bytes())
m1.Equal(m2)
m2.Equal(m1)
```
#### Protocols
```go
// get the multiaddr protocol description objects
m1.Protocols()
// []Protocol{
// Protocol{ Code: 4, Name: 'ip4', Size: 32},
// Protocol{ Code: 17, Name: 'udp', Size: 16},
// }
```
#### En/decapsulate
```go
import ma "github.com/multiformats/go-multiaddr"
m, err := ma.NewMultiaddr("/ip4/127.0.0.1/udp/1234")
//
sctpMA, err := ma.NewMultiaddr("/sctp/5678")
m.Encapsulate(sctpMA)
//
udpMA, err := ma.NewMultiaddr("/udp/1234")
m.Decapsulate(udpMA) // up to + inc last occurrence of subaddr
//
```
#### Tunneling
Multiaddr allows expressing tunnels very nicely.
```js
printer, _ := ma.NewMultiaddr("/ip4/192.168.0.13/tcp/80")
proxy, _ := ma.NewMultiaddr("/ip4/10.20.30.40/tcp/443")
printerOverProxy := proxy.Encapsulate(printer)
// /ip4/10.20.30.40/tcp/443/ip4/192.168.0.13/tcp/80
proxyAgain := printerOverProxy.Decapsulate(printer)
// /ip4/10.20.30.40/tcp/443
```
## Contribute
Contributions welcome. Please check out [the issues](https://github.com/multiformats/go-multiaddr/issues).
Check out our [contributing document](https://github.com/multiformats/multiformats/blob/master/contributing.md) for more information on how we work, and about contributing in general. Please be aware that all interactions related to multiformats are subject to the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).
Small note: If editing the README, please conform to the [standard-readme](https://github.com/RichardLitt/standard-readme) specification.
## License
[MIT](LICENSE) © 2014 Juan Batiz-Benet