Feat/pull mplex

.gitignore

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+
+**/node_modules/
+**/*.log
+test/repo-tests*
+**/bundle.js
+**/.nyc_output
+
+# Logs
+logs
+*.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
+
+build
+
+# Dependency directory
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
+node_modules
+
+lib
+dist
+test/test-data/go-ipfs-repo/LOCK
+test/test-data/go-ipfs-repo/LOG
+test/test-data/go-ipfs-repo/LOG.old
+
+docs
+# while testing npm5
+package-lock.json
+yarn.lock

.npmignore

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+test
+
+# 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

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2017 Protocol Labs Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,2 +1,2 @@
-# pull-mplex
-multiplexer implementing the https://github.com/libp2p/mplex spec with pull-streams
+# pull-plex
+pull-streams based multiplexer implementing the https://github.com/libp2p/mplex spec

ci/Jenkinsfile

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+// Warning: This file is automatically synced from https://github.com/ipfs/ci-sync so if you want to change it, please change it there and ask someone to sync all repositories.
+javascript()

package.json

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+{
+  "name": "pull-mplex",
+  "version": "0.0.1",
+  "description": "multiplex implementation of https://github.com/libp2p/mplex",
+  "main": "src/index.js",
+  "scripts": {
+    "lint": "aegir lint",
+    "build": "aegir build",
+    "test": "aegir test -t node -t browser",
+    "test:node": "aegir test -t node",
+    "test:browser": "aegir test -t browser",
+    "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"
+  },
+  "author": "dryajov@gmail.com",
+  "license": "MIT",
+  "devDependencies": {
+    "aegir": "^18.0.3",
+    "async": "^2.6.0",
+    "chai": "^4.2.0",
+    "chai-checkmark": "^1.0.1",
+    "chunky": "0.0.0",
+    "dirty-chai": "^2.0.1",
+    "libp2p-mplex": "~0.8.4",
+    "pull-abortable": "^4.1.1",
+    "pull-generate": "^2.2.0",
+    "pull-length-prefixed": "^1.3.1",
+    "pull-stream-to-stream": "^1.3.4",
+    "pump": "^3.0.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/libp2p/pull-mplex.git"
+  },
+  "dependencies": {
+    "buffer-reuse-pool": "^1.0.0",
+    "debug": "^4.1.1",
+    "interface-connection": "~0.3.3",
+    "lodash.defaults": "^4.2.0",
+    "looper": "^4.0.0",
+    "pull-offset-limit": "^1.1.1",
+    "pull-pair": "^1.1.0",
+    "pull-pushable": "^2.2.0",
+    "pull-stream": "^3.6.9",
+    "pull-through": "^1.0.18",
+    "varint": "^5.0.0"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
+  }
+}

src/channel.js

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+'use strict'
+
+const pushable = require('pull-pushable')
+const defaults = require('lodash.defaults')
+const looper = require('looper')
+
+const consts = require('./consts')
+const EE = require('events')
+
+const debug = require('debug')
+
+const log = debug('pull-plex:chan')
+log.err = debug('pull-plex:chan:err')
+
+class Channel extends EE {
+  constructor (opts) {
+    super()
+
+    opts = defaults({}, opts, { initiator: false })
+
+    this._id = opts.id
+    this._name = opts.name
+    this._plex = opts.plex
+    this._open = opts.open
+    this._initiator = opts.initiator
+    this._endedRemote = false // remote stream ended
+    this._endedLocal = false // local stream ended
+    this._reset = false
+
+    this.MSG = this._initiator
+      ? consts.type.OUT_MESSAGE
+      : consts.type.IN_MESSAGE
+
+    this.END = this._initiator
+      ? consts.type.OUT_CLOSE
+      : consts.type.IN_CLOSE
+
+    this.RESET = this._initiator
+      ? consts.type.OUT_RESET
+      : consts.type.IN_RESET
+
+    this._log = (name, data) => {
+      log({
+        op: name,
+        name: this._name,
+        id: this._id,
+        endedLocal: this._endedLocal,
+        endedRemote: this._endedRemote,
+        initiator: this._initiator,
+        data: (data && data.toString()) || ''
+      })
+    }
+
+    this._log('new channel', this._name)
+
+    this._msgs = pushable((err) => {
+      this._log('source closed', err)
+      if (err && typeof err !== 'boolean') {
+        setImmediate(() => this.emit('error', err))
+      }
+      // this.endChan() // TODO: do not uncomment this, it will end the channel too early
+    })
+
+    this._source = this._msgs
+
+    this.sink = (read) => {
+      const next = looper(() => {
+        read(null, (end, data) => {
+          // stream already ended
+          if (this._endedLocal) { return }
+
+          this._endedLocal = end || false
+
+          // source ended, close the stream
+          if (end === true) {
+            return this.endChan()
+          }
+
+          // source errored, reset stream
+          if (end || this._reset) {
+            this.resetChan()
+            this.emit('error', end || this._reset)
+            this.reset()
+            return
+          }
+
+          // just send
+          this.sendMsg(data)
+          next()
+        })
+      })
+
+      next()
+    }
+  }
+
+  get source () {
+    return this._source
+  }
+
+  get id () {
+    return this._id
+  }
+
+  get open () {
+    return this._open
+  }
+
+  set open (open) {
+    this._open = open
+  }
+
+  get name () {
+    return this._name
+  }
+
+  get destroyed () {
+    return this._endedRemote && this._endedLocal
+  }
+
+  push (data) {
+    this._log('push')
+    this._msgs.push(data)
+  }
+
+  // close for reading
+  close (err) {
+    this._log('close', err)
+    if (!this._endedRemote) {
+      this._endedRemote = err || true
+      this._msgs.end(this._endedRemote)
+      this.emit('close', err)
+      this.plex = null
+    }
+  }
+
+  reset (err) {
+    this._log('reset', err)
+    this._reset = err || 'channel reset!'
+    this.close(this._reset)
+  }
+
+  openChan (name) {
+    if (this.open) { return } // chan already open
+
+    this.open = true
+    this._plex.push([
+      this._id,
+      consts.type.NEW,
+      name !== this._id.toString() ? name : this._id.toString()
+    ])
+  }
+
+  sendMsg (data) {
+    this._log('sendMsg')
+
+    if (!this.open) {
+      this.openChan(this.name)
+    }
+
+    this._plex.push([
+      this._id,
+      this.MSG,
+      data
+    ])
+  }
+
+  endChan () {
+    this._log('endChan')
+
+    if (!this.open) {
+      return
+    }
+
+    this._plex.push([
+      this._id,
+      this.END
+    ])
+  }
+
+  resetChan () {
+    this._log('resetChan')
+
+    if (!this.open) {
+      return
+    }
+
+    this._plex.push([
+      this._id,
+      this.RESET
+    ])
+  }
+}
+
+module.exports = Channel