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@hyperswarm/network

1.1.2 • Public • Published

@hyperswarm/network

The low level networking guts of the Hyperswarm stack.

npm install @hyperswarm/network

Usage

const network = require('@hyperswarm/network')()
 
const nw = network()
 
nw.bind(function () {
  // topic should be a 32 byte buffer
  nw.lookupOne(topic, function (err, peer) {
    if (err) throw err
    nw.connect(peer, function (err, socket) {
      if (err) throw err
      socket.write('Hello World!')
    })
  })
})

API

net = network([options])

Create a new network instance.

Options include:

{
  bind () {
    // called when the network is bound
  },
  close () {
    // called when the network is fully closed
  },
  socket (socket) {
    // called when an incoming socket is received
  },
  // Optionally overwrite the default set of bootstrap servers
  bootstrap: [addresses],
  // Set to false if this is a long running instance on a server
  // When running in ephemeral mode (default) you don't join the
  // DHT but just query it instead.
  ephemeral: true
}

nw.bind([preferredPort], [callback])

Bind to a preferred port. Must be called before connecting.

Safe to call multiple times. If already bound or binding it will call the callback when fully bound.

nw.close([callback])

Fully close the network.

Safe to call multiple times.

nw.connect(peer, callback)

Connect to a peer. Will do UDP holepunching.

Callback is called with (err, socket, isTCP). If the underlying socket is a TCP socket isTCP will be true, if it is a UTP socket it will be false.

announcer = nw.announce(topic)

Start announcing the network on the Hyperswarm discovery network.

lookup = nw.lookup(topic)

Start doing a lookup on the Hyperswarm discovery network.

nw.lookupOne(topic, callback)

Lookup a single peer on the Hyperswarm discovery network.

License

MIT

Install

npm i @hyperswarm/network

DownloadsWeekly Downloads

169

Version

1.1.2

License

MIT

Unpacked Size

38.4 kB

Total Files

7

Last publish

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