refactor: async with multiaddr conn (#92)

BREAKING CHANGE: Switch to using async/await and async iterators. The transport and connection interfaces have changed. See the README for new usage.

Author: vasco-santos

.aegir.js

@@ -1,21 +1,25 @@
 'use strict'
 
 const multiaddr = require('multiaddr')
-const pull = require('pull-stream')
-
+const pipe = require('it-pipe')
 const WS = require('./src')
 
+const mockUpgrader = {
+  upgradeInbound: maConn => maConn,
+  upgradeOutbound: maConn => maConn
+}
 let listener
 
 function boot (done) {
-  const ws = new WS()
+  const ws = new WS({ upgrader: mockUpgrader })
   const ma = multiaddr('/ip4/127.0.0.1/tcp/9095/ws')
-  listener = ws.createListener((conn) => pull(conn, conn))
-  listener.listen(ma, done)
+  listener = ws.createListener(conn => pipe(conn, conn))
+  listener.listen(ma).then(() => done()).catch(done)
+  listener.on('error', console.error)
 }
 
 function shutdown (done) {
-  listener.close(done)
+  listener.close().then(done).catch(done)
 }
 
 module.exports = {

.gitignore

@@ -1,43 +1,4 @@
-docs
+node_modules
 package-lock.json
-yarn.lock
-
-# Logs
-logs
-*.log
-npm-debug.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
 coverage
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directory
-node_modules
-
-# Optional npm cache directory
-.npm
-
-# Optional REPL history
-.node_repl_history
-
-# Vim editor swap files
-*.swp
-
-dist
-
+.nyc_output

.travis.yml

@@ -24,7 +24,7 @@ jobs:
 
     - stage: check
       script:
-        - npx aegir commitlint --travis
+        - npx aegir build --bundlesize
         - npx aegir dep-check -- -i wrtc -i electron-webrtc
         - npm run lint
 

README.md

@@ -40,37 +40,33 @@
 ```js
 const WS = require('libp2p-websockets')
 const multiaddr = require('multiaddr')
-const pull = require('pull-stream')
+const pipe = require('it-pipe')
+const { collect } = require('streaming-iterables')
 
-const mh = multiaddr('/ip4/0.0.0.0/tcp/9090/ws')
+const addr = multiaddr('/ip4/0.0.0.0/tcp/9090/ws')
 
-const ws = new WS()
+const ws = new WS({ upgrader })
 
 const listener = ws.createListener((socket) => {
   console.log('new connection opened')
-  pull(
-    pull.values(['hello']),
+  pipe(
+    ['hello'],
     socket
   )
 })
 
-listener.listen(mh, () => {
-  console.log('listening')
-
-  pull(
-    ws.dial(mh),
-    pull.collect((err, values) => {
-      if (!err) {
-        console.log(`Value: ${values.toString()}`)
-      } else {
-        console.log(`Error: ${err}`)
-      }
-
-      // Close connection after reading
-      listener.close()
-    }),
-  )
-})
+await listener.listen(addr)
+console.log('listening')
+
+const socket = await ws.dial(addr)
+const values = await pipe(
+  socket,
+  collect
+)
+console.log(`Value: ${values.toString()}`)
+
+// Close connection after reading
+await listener.close()
 ```
 
 ## API

ci/Jenkinsfile

@@ -13,8 +13,7 @@
     "release": "aegir release -t node -t browser ",
     "release-minor": "aegir release --type minor -t node -t browser",
     "release-major": "aegir release --type major -t node -t browser",
-    "coverage": "aegir coverage",
-    "coverage-publish": "aegir coverage --provider coveralls"
+    "coverage": "nyc --reporter=lcov --reporter=text npm run test:node"
   },
   "browser": {
     "src/listener": "./src/listener.browser.js"
@@ -24,8 +23,7 @@
     "dist"
   ],
   "pre-push": [
-    "lint",
-    "test"
+    "lint"
   ],
   "repository": {
     "type": "git",
@@ -40,21 +38,26 @@
   },
   "homepage": "https://github.com/libp2p/js-libp2p-websockets#readme",
   "dependencies": {
+    "abortable-iterator": "^2.1.0",
     "class-is": "^1.1.0",
     "debug": "^4.1.1",
-    "interface-connection": "~0.3.3",
-    "mafmt": "^6.0.7",
+    "err-code": "^2.0.0",
+    "it-ws": "vasco-santos/it-ws#v2.1.1-rc.0",
+    "libp2p-utils": "~0.1.0",
+    "mafmt": "^7.0.0",
+    "multiaddr": "^7.1.0",
     "multiaddr-to-uri": "^5.0.0",
-    "pull-ws": "hugomrdias/pull-ws#fix/bundle-size"
+    "p-timeout": "^3.2.0"
   },
   "devDependencies": {
-    "aegir": "^20.0.0",
+    "abort-controller": "^3.0.0",
+    "aegir": "^20.3.1",
     "chai": "^4.2.0",
     "dirty-chai": "^2.0.1",
-    "interface-transport": "~0.3.7",
-    "multiaddr": "^6.0.6",
-    "pull-goodbye": "0.0.2",
-    "pull-stream": "^3.6.9"
+    "interface-transport": "^0.7.0",
+    "it-goodbye": "^2.0.1",
+    "it-pipe": "^1.0.1",
+    "streaming-iterables": "^4.1.0"
   },
   "contributors": [
     "Chris Campbell <christopher.d.campbell@gmail.com>",

package.json

@@ -0,0 +1,8 @@
+'use strict'
+
+// p2p multi-address code
+exports.CODE_P2P = 421
+exports.CODE_CIRCUIT = 290
+
+// Time to wait for a connection to close gracefully before destroying it manually
+exports.CLOSE_TIMEOUT = 2000

src/constants.js

@@ -1,68 +1,135 @@
 'use strict'
 
-const connect = require('pull-ws/client')
+const connect = require('it-ws/client')
 const mafmt = require('mafmt')
 const withIs = require('class-is')
-const Connection = require('interface-connection').Connection
-
 const toUri = require('multiaddr-to-uri')
-const debug = require('debug')
-const log = debug('libp2p:websockets:dialer')
+const { AbortError } = require('abortable-iterator')
+
+const log = require('debug')('libp2p:websockets')
+const assert = require('assert')
 
 const createListener = require('./listener')
+const toConnection = require('./socket-to-conn')
+const { CODE_CIRCUIT, CODE_P2P } = require('./constants')
 
+/**
+ * @class WebSockets
+ */
 class WebSockets {
-  dial (ma, options, callback) {
-    if (typeof options === 'function') {
-      callback = options
-      options = {}
+  /**
+   * @constructor
+   * @param {object} options
+   * @param {Upgrader} options.upgrader
+   */
+  constructor ({ upgrader }) {
+    assert(upgrader, 'An upgrader must be provided. See https://github.com/libp2p/interface-transport#upgrader.')
+    this._upgrader = upgrader
+  }
+
+  /**
+   * @async
+   * @param {Multiaddr} ma
+   * @param {object} [options]
+   * @param {AbortSignal} [options.signal] Used to abort dial requests
+   * @returns {Connection} An upgraded Connection
+   */
+  async dial (ma, options = {}) {
+    log('dialing %s', ma)
+
+    const socket = await this._connect(ma, options)
+    const maConn = toConnection(socket, { remoteAddr: ma, signal: options.signal })
+    log('new outbound connection %s', maConn.remoteAddr)
+
+    const conn = await this._upgrader.upgradeOutbound(maConn)
+    log('outbound connection %s upgraded', maConn.remoteAddr)
+    return conn
+  }
+
+  /**
+   * @private
+   * @param {Multiaddr} ma
+   * @param {object} [options]
+   * @param {AbortSignal} [options.signal] Used to abort dial requests
+   * @returns {Promise<WebSocket>} Resolves a extended duplex iterable on top of a WebSocket
+   */
+  async _connect (ma, options = {}) {
+    if (options.signal && options.signal.aborted) {
+      throw new AbortError()
     }
+    const cOpts = ma.toOptions()
+    log('dialing %s:%s', cOpts.host, cOpts.port)
+
+    const rawSocket = connect(toUri(ma), Object.assign({ binary: true }, options))
 
-    callback = callback || function () { }
+    if (!options.signal) {
+      await rawSocket.connected()
 
-    const url = toUri(ma)
-    log('dialing %s', url)
-    const socket = connect(url, {
-      binary: true,
-      onConnect: (err) => {
-        callback(err)
+      log('connected %s', ma)
+      return rawSocket
+    }
+
+    // Allow abort via signal during connect
+    let onAbort
+    const abort = new Promise((resolve, reject) => {
+      onAbort = () => {
+        reject(new AbortError())
+        rawSocket.close()
       }
+
+      // Already aborted?
+      if (options.signal.aborted) return onAbort()
+      options.signal.addEventListener('abort', onAbort)
     })
 
-    const conn = new Connection(socket)
-    conn.getObservedAddrs = (cb) => cb(null, [ma])
-    conn.close = (cb) => socket.close(cb)
+    try {
+      await Promise.race([abort, rawSocket.connected()])
+    } finally {
+      options.signal.removeEventListener('abort', onAbort)
+    }
 
-    return conn
+    log('connected %s', ma)
+    return rawSocket
   }
 
-  createListener (options, handler) {
+  /**
+   * Creates a Websockets listener. The provided `handler` function will be called
+   * anytime a new incoming Connection has been successfully upgraded via
+   * `upgrader.upgradeInbound`.
+   * @param {object} [options]
+   * @param {http.Server} [options.server] A pre-created Node.js HTTP/S server.
+   * @param {function (Connection)} handler
+   * @returns {Listener} A Websockets listener
+   */
+  createListener (options = {}, handler) {
     if (typeof options === 'function') {
       handler = options
       options = {}
     }
 
-    return createListener(options, handler)
+    return createListener({ handler, upgrader: this._upgrader }, options)
   }
 
+  /**
+   * Takes a list of `Multiaddr`s and returns only valid Websockets addresses
+   * @param {Multiaddr[]} multiaddrs
+   * @returns {Multiaddr[]} Valid Websockets multiaddrs
+   */
   filter (multiaddrs) {
-    if (!Array.isArray(multiaddrs)) {
-      multiaddrs = [multiaddrs]
-    }
+    multiaddrs = Array.isArray(multiaddrs) ? multiaddrs : [multiaddrs]
 
     return multiaddrs.filter((ma) => {
-      if (ma.protoNames().includes('p2p-circuit')) {
+      if (ma.protoCodes().includes(CODE_CIRCUIT)) {
         return false
       }
 
-      if (ma.protoNames().includes('ipfs')) {
-        ma = ma.decapsulate('ipfs')
-      }
-
-      return mafmt.WebSockets.matches(ma) ||
-        mafmt.WebSocketsSecure.matches(ma)
+      return mafmt.WebSockets.matches(ma.decapsulateCode(CODE_P2P)) ||
+        mafmt.WebSocketsSecure.matches(ma.decapsulateCode(CODE_P2P))
     })
   }
 }
 
-module.exports = withIs(WebSockets, { className: 'WebSockets', symbolName: '@libp2p/js-libp2p-websockets/websockets' })
+module.exports = withIs(WebSockets, {
+  className: 'WebSockets',
+  symbolName: '@libp2p/js-libp2p-websockets/websockets'
+})

src/index.js

@@ -1,43 +1,58 @@
 'use strict'
 
-const Connection = require('interface-connection').Connection
-const multiaddr = require('multiaddr')
+const EventEmitter = require('events')
 const os = require('os')
+const multiaddr = require('multiaddr')
+const { createServer } = require('it-ws')
 
-function noop () {}
+const log = require('debug')('libp2p:websockets:listener')
 
-const createServer = require('pull-ws/server') || noop
+const toConnection = require('./socket-to-conn')
 
-module.exports = (options, handler) => {
-  const listener = createServer(options, (socket) => {
-    socket.getObservedAddrs = (callback) => {
-      // TODO research if we can reuse the address in anyway
-      return callback(null, [])
-    }
+module.exports = ({ handler, upgrader }, options = {}) => {
+  const listener = new EventEmitter()
+
+  const server = createServer(options, async (stream) => {
+    const maConn = toConnection(stream)
 
-    handler(new Connection(socket))
+    log('new inbound connection %s', maConn.remoteAddr)
+
+    const conn = await upgrader.upgradeInbound(maConn)
+    log('inbound connection %s upgraded', maConn.remoteAddr)
+
+    trackConn(server, maConn)
+
+    if (handler) handler(conn)
+    listener.emit('connection', conn)
   })
 
+  server
+    .on('listening', () => listener.emit('listening'))
+    .on('error', err => listener.emit('error', err))
+    .on('close', () => listener.emit('close'))
+
+  // Keep track of open connections to destroy in case of timeout
+  server.__connections = []
+
   let listeningMultiaddr
 
-  listener._listen = listener.listen
-  listener.listen = (ma, callback) => {
-    callback = callback || noop
-    listeningMultiaddr = ma
+  listener.close = () => {
+    server.__connections.forEach(maConn => maConn.close())
+    return server.close()
+  }
 
-    if (ma.protoNames().includes('ipfs')) {
-      ma = ma.decapsulate('ipfs')
-    }
+  listener.listen = (ma) => {
+    listeningMultiaddr = ma
 
-    listener._listen(ma.toOptions(), callback)
+    return server.listen(ma.toOptions())
   }
 
-  listener.getAddrs = (callback) => {
+  listener.getAddrs = () => {
     const multiaddrs = []
-    const address = listener.address()
+    const address = server.address()
 
     if (!address) {
-      return callback(new Error('Listener is not ready yet'))
+      throw new Error('Listener is not ready yet')
     }
 
     const ipfsId = listeningMultiaddr.getPeerId()
@@ -48,7 +63,7 @@ module.exports = (options, handler) => {
       let m = listeningMultiaddr.decapsulate('tcp')
       m = m.encapsulate('/tcp/' + address.port + '/ws')
       if (listeningMultiaddr.getPeerId()) {
-        m = m.encapsulate('/ipfs/' + ipfsId)
+        m = m.encapsulate('/p2p/' + ipfsId)
       }
 
       if (m.toString().indexOf('0.0.0.0') !== -1) {
@@ -65,8 +80,12 @@ module.exports = (options, handler) => {
       }
     }
 
-    callback(null, multiaddrs)
+    return multiaddrs
   }
 
   return listener
 }
+
+function trackConn (server, maConn) {
+  server.__connections.push(maConn)
+}

src/listener.js

@@ -0,0 +1,61 @@
+'use strict'
+
+const abortable = require('abortable-iterator')
+const { CLOSE_TIMEOUT } = require('./constants')
+const toMultiaddr = require('libp2p-utils/src/ip-port-to-multiaddr')
+
+const pTimeout = require('p-timeout')
+
+const debug = require('debug')
+const log = debug('libp2p:websockets:socket')
+log.error = debug('libp2p:websockets:socket:error')
+
+// Convert a stream into a MultiaddrConnection
+// https://github.com/libp2p/interface-transport#multiaddrconnection
+module.exports = (socket, options = {}) => {
+  const maConn = {
+    async sink (source) {
+      if (options.signal) {
+        source = abortable(source, options.signal)
+      }
+
+      try {
+        await socket.sink(source)
+      } catch (err) {
+        if (err.type !== 'aborted') {
+          log.error(err)
+        }
+      }
+    },
+
+    source: options.signal ? abortable(socket.source, options.signal) : socket.source,
+
+    conn: socket,
+
+    localAddr: options.localAddr || (socket.localAddress && socket.localPort
+      ? toMultiaddr(socket.localAddress, socket.localPort) : undefined),
+
+    // If the remote address was passed, use it - it may have the peer ID encapsulated
+    remoteAddr: options.remoteAddr || toMultiaddr(socket.remoteAddress, socket.remotePort),
+
+    timeline: { open: Date.now() },
+
+    async close () {
+      const start = Date.now()
+
+      try {
+        await pTimeout(socket.close(), CLOSE_TIMEOUT)
+      } catch (err) {
+        const { host, port } = maConn.remoteAddr.toOptions()
+        log('timeout closing socket to %s:%s after %dms, destroying it manually',
+          host, port, Date.now() - start)
+
+        socket.destroy()
+      } finally {
+        maConn.timeline.close = Date.now()
+      }
+    }
+  }
+
+  return maConn
+}

src/socket-to-conn.js

@@ -7,75 +7,64 @@ const expect = chai.expect
 chai.use(dirtyChai)
 
 const multiaddr = require('multiaddr')
-const pull = require('pull-stream')
-const goodbye = require('pull-goodbye')
+const pipe = require('it-pipe')
+const goodbye = require('it-goodbye')
+const { collect, take } = require('streaming-iterables')
 
 const WS = require('../src')
 
+const mockUpgrader = {
+  upgradeInbound: maConn => maConn,
+  upgradeOutbound: maConn => maConn
+}
+
 describe('libp2p-websockets', () => {
   const ma = multiaddr('/ip4/127.0.0.1/tcp/9095/ws')
   let ws
   let conn
 
-  beforeEach((done) => {
-    ws = new WS()
-    expect(ws).to.exist()
-    conn = ws.dial(ma, (err, res) => {
-      expect(err).to.not.exist()
-      done()
-    })
+  beforeEach(async () => {
+    ws = new WS({ upgrader: mockUpgrader })
+    conn = await ws.dial(ma)
   })
 
-  it('echo', (done) => {
-    const message = 'Hello World!'
-
-    const s = goodbye({
-      source: pull.values([message]),
-      sink: pull.collect((err, results) => {
-        expect(err).to.not.exist()
-        expect(results).to.eql([message])
-        done()
-      })
-    })
+  it('echo', async () => {
+    const message = Buffer.from('Hello World!')
+    const s = goodbye({ source: [message], sink: collect })
 
-    pull(s, conn, s)
+    const results = await pipe(s, conn, s)
+    expect(results).to.eql([message])
   })
 
   describe('stress', () => {
-    it('one big write', (done) => {
+    it('one big write', async () => {
       const rawMessage = Buffer.allocUnsafe(1000000).fill('a')
 
-      const s = goodbye({
-        source: pull.values([rawMessage]),
-        sink: pull.collect((err, results) => {
-          expect(err).to.not.exist()
-          expect(results).to.eql([rawMessage])
-          done()
-        })
-      })
-      pull(s, conn, s)
+      const s = goodbye({ source: [rawMessage], sink: collect })
+
+      const results = await pipe(s, conn, s)
+      expect(results).to.eql([rawMessage])
     })
 
-    it('many writes', function (done) {
+    it('many writes', async function () {
       this.timeout(10000)
       const s = goodbye({
-        source: pull(
-          pull.infinite(),
-          pull.take(1000),
-          pull.map((val) => Buffer.from(val.toString()))
+        source: pipe(
+          {
+            [Symbol.iterator] () { return this },
+            next: () => ({ done: false, value: Buffer.from(Math.random().toString()) })
+          },
+          take(20000)
         ),
-        sink: pull.collect((err, result) => {
-          expect(err).to.not.exist()
-          expect(result).to.have.length(1000)
-          done()
-        })
+        sink: collect
       })
 
-      pull(s, conn, s)
+      const result = await pipe(s, conn, s)
+      expect(result).to.have.length(20000)
     })
   })
-})
 
-it('.createServer throws in browser', () => {
-  expect(new WS().createListener).to.throw()
+  it('.createServer throws in browser', () => {
+    expect(new WS({ upgrader: mockUpgrader }).createListener).to.throw()
+  })
 })

test/browser.js

@@ -3,22 +3,61 @@
 
 const tests = require('interface-transport')
 const multiaddr = require('multiaddr')
+const http = require('http')
 const WS = require('../src')
 
-describe('compliance', () => {
+describe('interface-transport compliance', () => {
   tests({
-    setup (callback) {
-      const ws = new WS()
+    async setup ({ upgrader }) { // eslint-disable-line require-await
+      const ws = new WS({ upgrader })
       const addrs = [
         multiaddr('/ip4/127.0.0.1/tcp/9091/ws'),
-        multiaddr('/ip4/127.0.0.1/tcp/9092/wss'),
+        multiaddr('/ip4/127.0.0.1/tcp/9092/ws'),
         multiaddr('/dns4/ipfs.io/tcp/9092/ws'),
         multiaddr('/dns4/ipfs.io/tcp/9092/wss')
       ]
-      callback(null, ws, addrs)
+
+      let delayMs = 0
+      const delayedCreateListener = (options, handler) => {
+        if (typeof options === 'function') {
+          handler = options
+          options = {}
+        }
+
+        options = options || {}
+
+        // A server that will delay the upgrade event by delayMs
+        options.server = new Proxy(http.createServer(), {
+          get (server, prop) {
+            if (prop === 'on') {
+              return (event, handler) => {
+                server.on(event, (...args) => {
+                  if (event !== 'upgrade' || !delayMs) {
+                    return handler(...args)
+                  }
+                  setTimeout(() => handler(...args), delayMs)
+                })
+              }
+            }
+            return server[prop]
+          }
+        })
+
+        return ws.createListener(options, handler)
+      }
+
+      const wsProxy = new Proxy(ws, {
+        get: (_, prop) => prop === 'createListener' ? delayedCreateListener : ws[prop]
+      })
+
+      // Used by the dial tests to simulate a delayed connect
+      const connector = {
+        delay (ms) { delayMs = ms },
+        restore () { delayMs = 0 }
+      }
+
+      return { transport: wsProxy, addrs, connector }
     },
-    teardown (callback) {
-      callback()
-    }
+    async teardown () {}
   })
 })

test/compliance.node.js

@@ -0,0 +1,13 @@
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+A1UEBhMCbm8xEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0
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++r//2iV/B6F+4boH0XqFn7alcV9lpjvAmwRXNKnxAoa0f97AjYPGNLKrjpkNXXhB
+JROIdbRbZnCNeC5fzX1a+JCo7KStzBXuGSZr27TtFmcV4H+9gIRIcNHtZmJLnxbJ
+sIhkGR8yVYdmJZe4eT5ldk1zoB1adgPF1hZhCBMCAwEAATANBgkqhkiG9w0BAQUF
+AAOBgQCeWBEHYJ4mCB5McwSSUox0T+/mJ4W48L/ZUE4LtRhHasU9hiW92xZkTa7E
+QLcoJKQiWfiLX2ysAro0NX4+V8iqLziMqvswnPzz5nezaOLE/9U/QvH3l8qqNkXu
+rNbsW1h/IO6FV8avWFYVFoutUwOaZ809k7iMh2F2JMgXQ5EymQ==
+-----END CERTIFICATE-----

test/fixtures/certificate.pem

@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----