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github.com/multiformats/go-multiaddr
multiaddr implementation in go
Multiaddr is a standard way to represent addresses that:
go get github.com/multiformats/go-multiaddr
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)
// get the multiaddr protocol description objects
m1.Protocols()
// []Protocol{
// Protocol{ Code: 4, Name: 'ip4', Size: 32},
// Protocol{ Code: 17, Name: 'udp', Size: 16},
// }
import ma "github.com/multiformats/go-multiaddr"
m, err := ma.NewMultiaddr("/ip4/127.0.0.1/udp/1234")
// <Multiaddr /ip4/127.0.0.1/udp/1234>
sctpMA, err := ma.NewMultiaddr("/sctp/5678")
m.Encapsulate(sctpMA)
// <Multiaddr /ip4/127.0.0.1/udp/1234/sctp/5678>
udpMA, err := ma.NewMultiaddr("/udp/1234")
m.Decapsulate(udpMA) // up to + inc last occurrence of subaddr
// <Multiaddr /ip4/127.0.0.1>
Multiaddr allows expressing tunnels very nicely.
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
Contributions welcome. Please check out the issues.
Check out our contributing document 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.
Small note: If editing the README, please conform to the standard-readme specification.
MIT © 2014 Juan Batiz-Benet
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