multiserver-dht

multiserver-dht

A multiserver plugin that uses a Distributed Hash Table and channel keys as addresses

npm install --save multiserver-dht

This module is a multiserver plugin that joins a Distributed Hash Table (DHT) and uses channel keys as "addresses" where peers communicate as clients and as servers.

Usage

As client:

var pull = require('pull-stream');
var Pushable = require('pull-pushable');
var MultiServer = require('multiserver');
var Dht = require('multiserver-dht');

var ms = MultiServer([Dht({ key: 'japan' })]);

ms.client('dht:japan', function(err, stream) {
  var pushable = Pushable();
  pull(
    pushable,
    stream,
    pull.drain(x => {
      console.log(buf.toString('utf-8'));
      // ALICE
      // BOB
    }),
  );
  pushable.push('alice');
  pushable.push('bob');
});

As server:

var pull = require('pull-stream');
var MultiServer = require('multiserver');
var Dht = require('multiserver-dht');

var ms = MultiServer([Dht({ key: 'japan' })]);

ms.server(function(stream) {
  pull(
    stream,
    pull.map(buf => buf.toString('utf-8')),
    pull.map(s => s.toUpperCase()),
    pull.map(str => Buffer.from(str, 'utf-8')),
    stream,
  );
});

API

Dht(opts)

Joins a global Distributed Hash Table on the Internet under the channel opts.key as the address. The opts may include:

• key (REQUIRED unless keys is present), a string identifying the channel to be used as address.
• keys (REQUIRED unless key is present), a pull-stream of arrays of strings that identify all the channels where servers are hosted.
• port, the port on which to listen for connections in the DHT. Default: 8007
• id a string identifying this specific DHT peer. Default: something random

Returns a multiserver plugin.