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67 lines
1.9 KiB
Markdown
67 lines
1.9 KiB
Markdown
# go-libp2p-gostream
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[](https://travis-ci.org/libp2p/go-libp2p-gostream)
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[](https://codecov.io/gh/libp2p/go-libp2p-gostream)
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[](https://github.com/RichardLitt/standard-readme)
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> Go "net" wrappers for libp2p
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Package `gostream` allows to replace the standard net stack in Go with
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[LibP2P](https://github.com/libp2p/libp2p) streams.
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Given a libp2p.Host, `gostream` provides Dial() and Listen() methods which
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return implementations of net.Conn and net.Listener.
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Instead of the regular "host:port" addressing, `gostream` uses a Peer ID, and
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rather than a raw TCP connection, gostream will use libp2p's net.Stream. This
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means your connections will take advantage of libp2p's multi-routes, NAT
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traversal, and stream multiplexing.
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## Table of Contents
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- [Install](#install)
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- [Usage](#usage)
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- [Contribute](#contribute)
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- [License](#license)
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## Install
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This package is a library that uses Go modules for depedency management.
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## Usage
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Documentation can be read at
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[Godoc](https://godoc.org/github.com/libp2p/go-libp2p-gostream). The
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important bits follow.
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A simple communication between peers -one acting as server and the other as
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client- would work like:
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```go
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go func() {
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listener, _ := Listen(srvHost, tag)
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defer listener.Close()
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servConn, _ := listener.Accept()
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defer servConn.Close()
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reader := bufio.NewReader(servConn)
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msg, _ := reader.ReadString('\n')
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fmt.Println(msg)
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servConn.Write([]byte("answer!\n"))
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}()
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clientConn, _ := Dial(context.Background(), clientHost, srvHost.ID(), tag)
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clientConn.Write([]byte("question?\n"))
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resp, _ := ioutil.ReadAll(clientConn)
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fmt.Println(resp)
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```
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Note error handling above is ommited.
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## Contribute
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PRs accepted.
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## License
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MIT © Protocol Labs, Inc.
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