@libp2p/mplex - npm Package Compare versions

Comparing version 1.0.1 to 1.0.2

dist/src/mplex.d.ts

+import { Pushable } from 'it-pushable';
+import { Message } from './message-types.js';
+import type { Components } from '@libp2p/interfaces/components';
+import type { Sink } from 'it-stream-types';
+import type { StreamMuxer, StreamMuxerInit } from '@libp2p/interfaces/stream-muxer';
+import type { Stream } from '@libp2p/interfaces/connection';
+export interface MplexStream extends Stream {
+    source: Pushable<Uint8Array>;
+}
+export interface MplexInit extends StreamMuxerInit {
+    maxMsgSize?: number;
+}
+export declare class MplexStreamMuxer implements StreamMuxer {
+    protocol: string;
+    sink: Sink<Uint8Array>;
+    source: AsyncIterable<Uint8Array>;
+    private _streamId;
+    private readonly _streams;
+    private readonly _init;
+    private readonly _source;
+    constructor(components: Components, init?: MplexInit);
+    init(components: Components): void;
+    /**
+     * Returns a Map of streams and their ids
+     */
+    get streams(): Stream[];
+    /**
+     * Initiate a new stream with the given name. If no name is
+     * provided, the id of the stream will be used.
+     */
+    newStream(name?: string): Stream;
+    /**
+     * Called whenever an inbound stream is created
+     */
+    _newReceiverStream(options: {
+        id: number;
+        name: string;
+    }): MplexStream;
+    _newStream(options: {
+        id: number;
+        name: string;
+        type: 'initiator' | 'receiver';
+        registry: Map<number, MplexStream>;
+    }): MplexStream;
+    /**
+     * Creates a sink with an abortable source. Incoming messages will
+     * also have their size restricted. All messages will be varint decoded.
+     */
+    _createSink(): Sink<Uint8Array, Promise<void>>;
+    /**
+     * Creates a source that restricts outgoing message sizes
+     * and varint encodes them
+     */
+    _createSource(): AsyncGenerator<Uint8Array, void, undefined> & {
+        push: (value: Message) => import("it-pushable").PushableV<Message>;
+        end: (err?: Error | undefined) => import("it-pushable").PushableV<Message>;
+        return: () => {
+            done: boolean;
+        };
+    };
+    _handleIncoming(message: Message): void;
+}
+//# sourceMappingURL=mplex.d.ts.map

dist/src/mplex.d.ts.map

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dist/src/mplex.js

+import { pipe } from 'it-pipe';
+import { pushableV } from 'it-pushable';
+import { abortableSource } from 'abortable-iterator';
+import { encode } from './encode.js';
+import { decode } from './decode.js';
+import { restrictSize } from './restrict-size.js';
+import { MessageTypes, MessageTypeNames } from './message-types.js';
+import { createStream } from './stream.js';
+import { toString as uint8ArrayToString } from 'uint8arrays';
+import { trackedMap } from '@libp2p/tracked-map';
+import { logger } from '@libp2p/logger';
+const log = logger('libp2p:mplex');
+function printMessage(msg) {
+    const output = {
+        ...msg,
+        type: `${MessageTypeNames[msg.type]} (${msg.type})`
+    };
+    if (msg.type === MessageTypes.NEW_STREAM) {
+        output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice());
+    }
+    if (msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
+        output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice(), 'base16');
+    }
+    return output;
+}
+export class MplexStreamMuxer {
+    constructor(components, init) {
+        this.protocol = '/mplex/6.7.0';
+        init = init ?? {};
+        this._streamId = 0;
+        this._streams = {
+            /**
+             * Stream to ids map
+             */
+            initiators: trackedMap({ metrics: components.getMetrics(), component: 'mplex', metric: 'initiatorStreams' }),
+            /**
+             * Stream to ids map
+             */
+            receivers: trackedMap({ metrics: components.getMetrics(), component: 'mplex', metric: 'receiverStreams' })
+        };
+        this._init = init;
+        /**
+         * An iterable sink
+         */
+        this.sink = this._createSink();
+        /**
+         * An iterable source
+         */
+        const source = this._createSource();
+        this._source = source;
+        this.source = source;
+    }
+    init(components) {
+    }
+    /**
+     * Returns a Map of streams and their ids
+     */
+    get streams() {
+        // Inbound and Outbound streams may have the same ids, so we need to make those unique
+        const streams = [];
+        this._streams.initiators.forEach(stream => {
+            streams.push(stream);
+        });
+        this._streams.receivers.forEach(stream => {
+            streams.push(stream);
+        });
+        return streams;
+    }
+    /**
+     * Initiate a new stream with the given name. If no name is
+     * provided, the id of the stream will be used.
+     */
+    newStream(name) {
+        const id = this._streamId++;
+        name = name == null ? id.toString() : name.toString();
+        const registry = this._streams.initiators;
+        return this._newStream({ id, name, type: 'initiator', registry });
+    }
+    /**
+     * Called whenever an inbound stream is created
+     */
+    _newReceiverStream(options) {
+        const { id, name } = options;
+        const registry = this._streams.receivers;
+        return this._newStream({ id, name, type: 'receiver', registry });
+    }
+    _newStream(options) {
+        const { id, name, type, registry } = options;
+        log('new %s stream %s %s', type, id, name);
+        if (registry.has(id)) {
+            throw new Error(`${type} stream ${id} already exists!`);
+        }
+        const send = (msg) => {
+            if (log.enabled) {
+                log.trace('%s stream %s send', type, id, printMessage(msg));
+            }
+            if (msg.type === MessageTypes.NEW_STREAM || msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
+                msg.data = msg.data instanceof Uint8Array ? msg.data : msg.data.slice();
+            }
+            this._source.push(msg);
+        };
+        const onEnd = () => {
+            log('%s stream %s %s ended', type, id, name);
+            registry.delete(id);
+            if (this._init.onStreamEnd != null) {
+                this._init.onStreamEnd(stream);
+            }
+        };
+        const stream = createStream({ id, name, send, type, onEnd, maxMsgSize: this._init.maxMsgSize });
+        registry.set(id, stream);
+        return stream;
+    }
+    /**
+     * Creates a sink with an abortable source. Incoming messages will
+     * also have their size restricted. All messages will be varint decoded.
+     */
+    _createSink() {
+        const sink = async (source) => {
+            if (this._init.signal != null) {
+                source = abortableSource(source, this._init.signal);
+            }
+            try {
+                await pipe(source, decode, restrictSize(this._init.maxMsgSize), async (source) => {
+                    for await (const msg of source) {
+                        this._handleIncoming(msg);
+                    }
+                });
+                this._source.end();
+            }
+            catch (err) {
+                log('error in sink', err);
+                this._source.end(err); // End the source with an error
+            }
+        };
+        return sink;
+    }
+    /**
+     * Creates a source that restricts outgoing message sizes
+     * and varint encodes them
+     */
+    _createSource() {
+        const onEnd = (err) => {
+            const { initiators, receivers } = this._streams;
+            // Abort all the things!
+            for (const s of initiators.values()) {
+                s.abort(err);
+            }
+            for (const s of receivers.values()) {
+                s.abort(err);
+            }
+        };
+        const source = pushableV({ onEnd });
+        return Object.assign(encode(source), {
+            push: source.push,
+            end: source.end,
+            return: source.return
+        });
+    }
+    _handleIncoming(message) {
+        const { id, type } = message;
+        if (log.enabled) {
+            log.trace('incoming message', printMessage(message));
+        }
+        // Create a new stream?
+        if (message.type === MessageTypes.NEW_STREAM) {
+            const stream = this._newReceiverStream({ id, name: uint8ArrayToString(message.data instanceof Uint8Array ? message.data : message.data.slice()) });
+            if (this._init.onIncomingStream != null) {
+                this._init.onIncomingStream(stream);
+            }
+            return;
+        }
+        const list = (type & 1) === 1 ? this._streams.initiators : this._streams.receivers;
+        const stream = list.get(id);
+        if (stream == null) {
+            return log('missing stream %s', id);
+        }
+        switch (type) {
+            case MessageTypes.MESSAGE_INITIATOR:
+            case MessageTypes.MESSAGE_RECEIVER:
+                stream.source.push(message.data.slice());
+                break;
+            case MessageTypes.CLOSE_INITIATOR:
+            case MessageTypes.CLOSE_RECEIVER:
+                stream.close();
+                break;
+            case MessageTypes.RESET_INITIATOR:
+            case MessageTypes.RESET_RECEIVER:
+                stream.reset();
+                break;
+            default:
+                log('unknown message type %s', type);
+        }
+    }
+}
+//# sourceMappingURL=mplex.js.map

dist/src/mplex.js.map

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src/mplex.ts

+import { pipe } from 'it-pipe'
+import { Pushable, pushableV } from 'it-pushable'
+import { abortableSource } from 'abortable-iterator'
+import { encode } from './encode.js'
+import { decode } from './decode.js'
+import { restrictSize } from './restrict-size.js'
+import { MessageTypes, MessageTypeNames, Message } from './message-types.js'
+import { createStream } from './stream.js'
+import { toString as uint8ArrayToString } from 'uint8arrays'
+import { trackedMap } from '@libp2p/tracked-map'
+import { logger } from '@libp2p/logger'
+import type { Components } from '@libp2p/interfaces/components'
+import type { Sink } from 'it-stream-types'
+import type { StreamMuxer, StreamMuxerInit } from '@libp2p/interfaces/stream-muxer'
+import type { Stream } from '@libp2p/interfaces/connection'
+
+const log = logger('libp2p:mplex')
+
+function printMessage (msg: Message) {
+  const output: any = {
+    ...msg,
+    type: `${MessageTypeNames[msg.type]} (${msg.type})`
+  }
+
+  if (msg.type === MessageTypes.NEW_STREAM) {
+    output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice())
+  }
+
+  if (msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
+    output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice(), 'base16')
+  }
+
+  return output
+}
+
+export interface MplexStream extends Stream {
+  source: Pushable<Uint8Array>
+}
+
+export interface MplexInit extends StreamMuxerInit {
+  maxMsgSize?: number
+}
+
+export class MplexStreamMuxer implements StreamMuxer {
+  public protocol = '/mplex/6.7.0'
+
+  public sink: Sink<Uint8Array>
+  public source: AsyncIterable<Uint8Array>
+
+  private _streamId: number
+  private readonly _streams: { initiators: Map<number, MplexStream>, receivers: Map<number, MplexStream> }
+  private readonly _init: MplexInit
+  private readonly _source: { push: (val: Message) => void, end: (err?: Error) => void }
+
+  constructor (components: Components, init?: MplexInit) {
+    init = init ?? {}
+
+    this._streamId = 0
+    this._streams = {
+      /**
+       * Stream to ids map
+       */
+      initiators: trackedMap<number, MplexStream>({ metrics: components.getMetrics(), component: 'mplex', metric: 'initiatorStreams' }),
+      /**
+       * Stream to ids map
+       */
+      receivers: trackedMap<number, MplexStream>({ metrics: components.getMetrics(), component: 'mplex', metric: 'receiverStreams' })
+    }
+    this._init = init
+
+    /**
+     * An iterable sink
+     */
+    this.sink = this._createSink()
+
+    /**
+     * An iterable source
+     */
+    const source = this._createSource()
+    this._source = source
+    this.source = source
+  }
+
+  init (components: Components) {
+
+  }
+
+  /**
+   * Returns a Map of streams and their ids
+   */
+  get streams () {
+    // Inbound and Outbound streams may have the same ids, so we need to make those unique
+    const streams: Stream[] = []
+    this._streams.initiators.forEach(stream => {
+      streams.push(stream)
+    })
+    this._streams.receivers.forEach(stream => {
+      streams.push(stream)
+    })
+    return streams
+  }
+
+  /**
+   * Initiate a new stream with the given name. If no name is
+   * provided, the id of the stream will be used.
+   */
+  newStream (name?: string): Stream {
+    const id = this._streamId++
+    name = name == null ? id.toString() : name.toString()
+    const registry = this._streams.initiators
+    return this._newStream({ id, name, type: 'initiator', registry })
+  }
+
+  /**
+   * Called whenever an inbound stream is created
+   */
+  _newReceiverStream (options: { id: number, name: string }) {
+    const { id, name } = options
+    const registry = this._streams.receivers
+    return this._newStream({ id, name, type: 'receiver', registry })
+  }
+
+  _newStream (options: { id: number, name: string, type: 'initiator' | 'receiver', registry: Map<number, MplexStream> }) {
+    const { id, name, type, registry } = options
+
+    log('new %s stream %s %s', type, id, name)
+
+    if (registry.has(id)) {
+      throw new Error(`${type} stream ${id} already exists!`)
+    }
+
+    const send = (msg: Message) => {
+      if (log.enabled) {
+        log.trace('%s stream %s send', type, id, printMessage(msg))
+      }
+
+      if (msg.type === MessageTypes.NEW_STREAM || msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
+        msg.data = msg.data instanceof Uint8Array ? msg.data : msg.data.slice()
+      }
+
+      this._source.push(msg)
+    }
+
+    const onEnd = () => {
+      log('%s stream %s %s ended', type, id, name)
+      registry.delete(id)
+
+      if (this._init.onStreamEnd != null) {
+        this._init.onStreamEnd(stream)
+      }
+    }
+
+    const stream = createStream({ id, name, send, type, onEnd, maxMsgSize: this._init.maxMsgSize })
+    registry.set(id, stream)
+    return stream
+  }
+
+  /**
+   * Creates a sink with an abortable source. Incoming messages will
+   * also have their size restricted. All messages will be varint decoded.
+   */
+  _createSink () {
+    const sink: Sink<Uint8Array> = async source => {
+      if (this._init.signal != null) {
+        source = abortableSource(source, this._init.signal)
+      }
+
+      try {
+        await pipe(
+          source,
+          decode,
+          restrictSize(this._init.maxMsgSize),
+          async source => {
+            for await (const msg of source) {
+              this._handleIncoming(msg)
+            }
+          }
+        )
+
+        this._source.end()
+      } catch (err: any) {
+        log('error in sink', err)
+        this._source.end(err) // End the source with an error
+      }
+    }
+
+    return sink
+  }
+
+  /**
+   * Creates a source that restricts outgoing message sizes
+   * and varint encodes them
+   */
+  _createSource () {
+    const onEnd = (err?: Error) => {
+      const { initiators, receivers } = this._streams
+      // Abort all the things!
+      for (const s of initiators.values()) {
+        s.abort(err)
+      }
+      for (const s of receivers.values()) {
+        s.abort(err)
+      }
+    }
+    const source = pushableV<Message>({ onEnd })
+
+    return Object.assign(encode(source), {
+      push: source.push,
+      end: source.end,
+      return: source.return
+    })
+  }
+
+  _handleIncoming (message: Message) {
+    const { id, type } = message
+
+    if (log.enabled) {
+      log.trace('incoming message', printMessage(message))
+    }
+
+    // Create a new stream?
+    if (message.type === MessageTypes.NEW_STREAM) {
+      const stream = this._newReceiverStream({ id, name: uint8ArrayToString(message.data instanceof Uint8Array ? message.data : message.data.slice()) })
+
+      if (this._init.onIncomingStream != null) {
+        this._init.onIncomingStream(stream)
+      }
+
+      return
+    }
+
+    const list = (type & 1) === 1 ? this._streams.initiators : this._streams.receivers
+    const stream = list.get(id)
+
+    if (stream == null) {
+      return log('missing stream %s', id)
+    }
+
+    switch (type) {
+      case MessageTypes.MESSAGE_INITIATOR:
+      case MessageTypes.MESSAGE_RECEIVER:
+        stream.source.push(message.data.slice())
+        break
+      case MessageTypes.CLOSE_INITIATOR:
+      case MessageTypes.CLOSE_RECEIVER:
+        stream.close()
+        break
+      case MessageTypes.RESET_INITIATOR:
+      case MessageTypes.RESET_RECEIVER:
+        stream.reset()
+        break
+      default:
+        log('unknown message type %s', type)
+    }
+  }
+}

dist/src/index.d.ts

@@ -1,63 +0,11 @@
-import { Pushable } from 'it-pushable';
-import { Message } from './message-types.js';
-import type { Sink } from 'it-stream-types';
-import type { Muxer, MuxerOptions } from '@libp2p/interfaces/stream-muxer';
-import type { Stream } from '@libp2p/interfaces/connection';
-import type { ComponentMetricsTracker } from '@libp2p/interfaces/metrics';
-export interface MplexStream extends Stream {
-    source: Pushable<Uint8Array>;
-}
-export interface MplexOptions extends MuxerOptions {
+import type { Components } from '@libp2p/interfaces/components';
+import type { StreamMuxerFactory, StreamMuxerInit } from '@libp2p/interfaces/stream-muxer';
+import { MplexStreamMuxer } from './mplex.js';
+export interface MplexInit extends StreamMuxerInit {
     maxMsgSize?: number;
-    metrics?: ComponentMetricsTracker;
 }
-export declare class Mplex implements Muxer {
-    static multicodec: string;
-    sink: Sink<Uint8Array>;
-    source: AsyncIterable<Uint8Array>;
-    private _streamId;
-    private readonly _streams;
-    private readonly _options;
-    private readonly _source;
-    constructor(options?: MplexOptions);
-    /**
-     * Returns a Map of streams and their ids
-     */
-    get streams(): Stream[];
-    /**
-     * Initiate a new stream with the given name. If no name is
-     * provided, the id of the stream will be used.
-     */
-    newStream(name?: string): Stream;
-    /**
-     * Called whenever an inbound stream is created
-     */
-    _newReceiverStream(options: {
-        id: number;
-        name: string;
-    }): MplexStream;
-    _newStream(options: {
-        id: number;
-        name: string;
-        type: 'initiator' | 'receiver';
-        registry: Map<number, MplexStream>;
-    }): MplexStream;
-    /**
-     * Creates a sink with an abortable source. Incoming messages will
-     * also have their size restricted. All messages will be varint decoded.
-     */
-    _createSink(): Sink<Uint8Array, Promise<void>>;
-    /**
-     * Creates a source that restricts outgoing message sizes
-     * and varint encodes them
-     */
-    _createSource(): AsyncGenerator<Uint8Array, void, undefined> & {
-        push: (value: Message) => import("it-pushable").PushableV<Message>;
-        end: (err?: Error | undefined) => import("it-pushable").PushableV<Message>;
-        return: () => {
-            done: boolean;
-        };
-    };
-    _handleIncoming(message: Message): void;
+export declare class Mplex implements StreamMuxerFactory {
+    protocol: string;
+    createStreamMuxer(components: Components, init?: MplexInit): MplexStreamMuxer;
 }
 //# sourceMappingURL=index.d.ts.map

dist/src/index.d.ts.map

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dist/src/index.js

@@ -1,196 +0,10 @@
-import { pipe } from 'it-pipe';
-import { pushableV } from 'it-pushable';
-import { abortableSource } from 'abortable-iterator';
-import { encode } from './encode.js';
-import { decode } from './decode.js';
-import { restrictSize } from './restrict-size.js';
-import { MessageTypes, MessageTypeNames } from './message-types.js';
-import { createStream } from './stream.js';
-import { toString as uint8ArrayToString } from 'uint8arrays';
-import { trackedMap } from '@libp2p/tracked-map';
-import { logger } from '@libp2p/logger';
-import each from 'it-foreach';
-const log = logger('libp2p:mplex');
-function printMessage(msg) {
-    const output = {
-        ...msg,
-        type: `${MessageTypeNames[msg.type]} (${msg.type})`
-    };
-    if (msg.type === MessageTypes.NEW_STREAM) {
-        output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice());
-    }
-    if (msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
-        output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice(), 'base16');
-    }
-    return output;
-}
+import { MplexStreamMuxer } from './mplex.js';
 export class Mplex {
-    constructor(options) {
-        options = options ?? {};
-        this._streamId = 0;
-        this._streams = {
-            /**
-             * Stream to ids map
-             */
-            initiators: trackedMap({ metrics: options.metrics, component: 'mplex', metric: 'initiatorStreams' }),
-            /**
-             * Stream to ids map
-             */
-            receivers: trackedMap({ metrics: options.metrics, component: 'mplex', metric: 'receiverStreams' })
-        };
-        this._options = options;
-        /**
-         * An iterable sink
-         */
-        this.sink = this._createSink();
-        /**
-         * An iterable source
-         */
-        const source = this._createSource();
-        this._source = source;
-        this.source = source;
+    constructor() {
+        this.protocol = '/mplex/6.7.0';
     }
-    /**
-     * Returns a Map of streams and their ids
-     */
-    get streams() {
-        // Inbound and Outbound streams may have the same ids, so we need to make those unique
-        const streams = [];
-        this._streams.initiators.forEach(stream => {
-            streams.push(stream);
-        });
-        this._streams.receivers.forEach(stream => {
-            streams.push(stream);
-        });
-        return streams;
+    createStreamMuxer(components, init) {
+        return new MplexStreamMuxer(components, init);
     }
-    /**
-     * Initiate a new stream with the given name. If no name is
-     * provided, the id of the stream will be used.
-     */
-    newStream(name) {
-        const id = this._streamId++;
-        name = name == null ? id.toString() : name.toString();
-        const registry = this._streams.initiators;
-        return this._newStream({ id, name, type: 'initiator', registry });
-    }
-    /**
-     * Called whenever an inbound stream is created
-     */
-    _newReceiverStream(options) {
-        const { id, name } = options;
-        const registry = this._streams.receivers;
-        return this._newStream({ id, name, type: 'receiver', registry });
-    }
-    _newStream(options) {
-        const { id, name, type, registry } = options;
-        log('new %s stream %s %s', type, id, name);
-        if (registry.has(id)) {
-            throw new Error(`${type} stream ${id} already exists!`);
-        }
-        const send = (msg) => {
-            if (log.enabled) {
-                log('%s stream %s send', type, id, printMessage(msg));
-            }
-            if (msg.type === MessageTypes.NEW_STREAM || msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
-                msg.data = msg.data instanceof Uint8Array ? msg.data : msg.data.slice();
-            }
-            this._source.push(msg);
-        };
-        const onEnd = () => {
-            log('%s stream %s %s ended', type, id, name);
-            registry.delete(id);
-            if (this._options.onStreamEnd != null) {
-                this._options.onStreamEnd(stream);
-            }
-        };
-        const stream = createStream({ id, name, send, type, onEnd, maxMsgSize: this._options.maxMsgSize });
-        registry.set(id, stream);
-        return stream;
-    }
-    /**
-     * Creates a sink with an abortable source. Incoming messages will
-     * also have their size restricted. All messages will be varint decoded.
-     */
-    _createSink() {
-        const sink = async (source) => {
-            if (this._options.signal != null) {
-                source = abortableSource(source, this._options.signal);
-            }
-            try {
-                await pipe(source, source => each(source, (buf) => {
-                    // console.info('incoming', uint8ArrayToString(buf, 'base64'))
-                }), decode, restrictSize(this._options.maxMsgSize), async (source) => {
-                    for await (const msg of source) {
-                        this._handleIncoming(msg);
-                    }
-                });
-                this._source.end();
-            }
-            catch (err) {
-                log('error in sink', err);
-                this._source.end(err); // End the source with an error
-            }
-        };
-        return sink;
-    }
-    /**
-     * Creates a source that restricts outgoing message sizes
-     * and varint encodes them
-     */
-    _createSource() {
-        const onEnd = (err) => {
-            const { initiators, receivers } = this._streams;
-            // Abort all the things!
-            for (const s of initiators.values()) {
-                s.abort(err);
-            }
-            for (const s of receivers.values()) {
-                s.abort(err);
-            }
-        };
-        const source = pushableV({ onEnd });
-        return Object.assign(encode(source), {
-            push: source.push,
-            end: source.end,
-            return: source.return
-        });
-    }
-    _handleIncoming(message) {
-        const { id, type } = message;
-        if (log.enabled) {
-            log('incoming message', printMessage(message));
-        }
-        // Create a new stream?
-        if (message.type === MessageTypes.NEW_STREAM) {
-            const stream = this._newReceiverStream({ id, name: uint8ArrayToString(message.data instanceof Uint8Array ? message.data : message.data.slice()) });
-            if (this._options.onIncomingStream != null) {
-                this._options.onIncomingStream(stream);
-            }
-            return;
-        }
-        const list = (type & 1) === 1 ? this._streams.initiators : this._streams.receivers;
-        const stream = list.get(id);
-        if (stream == null) {
-            return log('missing stream %s', id);
-        }
-        switch (type) {
-            case MessageTypes.MESSAGE_INITIATOR:
-            case MessageTypes.MESSAGE_RECEIVER:
-                stream.source.push(message.data.slice());
-                break;
-            case MessageTypes.CLOSE_INITIATOR:
-            case MessageTypes.CLOSE_RECEIVER:
-                stream.close();
-                break;
-            case MessageTypes.RESET_INITIATOR:
-            case MessageTypes.RESET_RECEIVER:
-                stream.reset();
-                break;
-            default:
-                log('unknown message type %s', type);
-        }
-    }
 }
-Mplex.multicodec = '/mplex/6.7.0';
 //# sourceMappingURL=index.js.map

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+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAEA,OAAO,EAAE,gBAAgB,EAAE,MAAM,YAAY,CAAA;AAM7C,MAAM,OAAO,KAAK;IAAlB;QACS,aAAQ,GAAG,cAAc,CAAA;IAKlC,CAAC;IAHC,iBAAiB,CAAE,UAAsB,EAAE,IAAgB;QACzD,OAAO,IAAI,gBAAgB,CAAC,UAAU,EAAE,IAAI,CAAC,CAAA;IAC/C,CAAC;CACF"}

dist/src/stream.d.ts

 import type { Message } from './message-types.js';
-import type { MplexStream } from './index.js';
+import type { MplexStream } from './mplex.js';
 export interface Options {
@@ -4,0 +4,0 @@ id: number;

dist/src/stream.js

@@ -31,3 +31,3 @@ import { abortableSource } from 'abortable-iterator';
         sourceEnded = true;
-        log('%s stream %s source end', type, streamName, err);
+        log.trace('%s stream %s source end', type, streamName, err);
         if (err != null && endErr == null) {
@@ -48,3 +48,3 @@ endErr = err;
         sinkEnded = true;
-        log('%s stream %s sink end - err: %o', type, streamName, err);
+        log.trace('%s stream %s sink end - err: %o', type, streamName, err);
         if (err != null && endErr == null) {
@@ -67,3 +67,3 @@ endErr = err;
         abort: (err) => {
-            log('%s stream %s abort', type, streamName, err);
+            log.trace('%s stream %s abort', type, streamName, err);
             // End the source with the passed error
@@ -118,6 +118,6 @@ stream.source.end(err);
                 if (err.code === ERR_MPLEX_STREAM_RESET) {
-                    log('%s stream %s reset', type, name);
+                    log.trace('%s stream %s reset', type, name);
                 }
                 else {
-                    log('%s stream %s error', type, name, err);
+                    log.trace('%s stream %s error', type, name, err);
                     try {
@@ -127,3 +127,3 @@ send({ id, type: Types.RESET });
                     catch (err) {
-                        log('%s stream %s error sending reset', type, name, err);
+                        log.trace('%s stream %s error sending reset', type, name, err);
                     }
@@ -139,3 +139,3 @@ }
             catch (err) {
-                log('%s stream %s error sending close', type, name, err);
+                log.trace('%s stream %s error sending close', type, name, err);
             }
@@ -142,0 +142,0 @@ onSinkEnd();

dist/src/stream.js.map

@@ -1,1 +0,1 @@
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package.json

 {
   "name": "@libp2p/mplex",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "JavaScript implementation of https://github.com/libp2p/mplex",
@@ -130,6 +130,6 @@ "license": "Apache-2.0 OR MIT",
     "lint": "aegir lint",
-    "dep-check": "aegir dep-check",
+    "dep-check": "aegir dep-check dist/src/**/*.js dist/test/**/*.js",
     "build": "tsc",
     "pretest": "npm run build",
-    "test": "aegir test -f ./dist/test",
+    "test": "aegir test -f \"./dist/test/**/*.js\"",
     "test:chrome": "npm run test -- -t browser --cov",
@@ -144,4 +144,4 @@ "test:chrome-webworker": "npm run test -- -t webworker",
   "dependencies": {
-    "@libp2p/logger": "^1.0.3",
-    "@libp2p/tracked-map": "^1.0.1",
+    "@libp2p/logger": "^1.1.2",
+    "@libp2p/tracked-map": "^1.0.4",
     "abortable-iterator": "^4.0.2",
@@ -153,12 +153,12 @@ "any-signal": "^3.0.0",
     "it-stream-types": "^1.0.4",
-    "uint8arraylist": "^1.2.0",
+    "uint8arraylist": "^1.4.0",
     "varint": "^6.0.0"
   },
   "devDependencies": {
-    "@libp2p/interface-compliance-tests": "^1.0.7",
-    "@libp2p/interfaces": "^1.1.1",
+    "@libp2p/interface-compliance-tests": "^1.1.16",
+    "@libp2p/interfaces": "^1.3.14",
     "@types/varint": "^6.0.0",
     "aegir": "^36.1.3",
-    "cborg": "^1.2.1",
-    "iso-random-stream": "^2.0.0",
+    "cborg": "^1.8.1",
+    "iso-random-stream": "^2.0.2",
     "it-all": "^1.0.6",
@@ -165,0 +165,0 @@ "it-drain": "^1.0.5",

src/index.ts

@@ -1,257 +0,15 @@
-import { pipe } from 'it-pipe'
-import { Pushable, pushableV } from 'it-pushable'
-import { abortableSource } from 'abortable-iterator'
-import { encode } from './encode.js'
-import { decode } from './decode.js'
-import { restrictSize } from './restrict-size.js'
-import { MessageTypes, MessageTypeNames, Message } from './message-types.js'
-import { createStream } from './stream.js'
-import { toString as uint8ArrayToString } from 'uint8arrays'
-import { trackedMap } from '@libp2p/tracked-map'
-import { logger } from '@libp2p/logger'
-import type { Sink } from 'it-stream-types'
-import type { Muxer, MuxerOptions } from '@libp2p/interfaces/stream-muxer'
-import type { Stream } from '@libp2p/interfaces/connection'
-import type { ComponentMetricsTracker } from '@libp2p/interfaces/metrics'
-import each from 'it-foreach'
+import type { Components } from '@libp2p/interfaces/components'
+import type { StreamMuxerFactory, StreamMuxerInit } from '@libp2p/interfaces/stream-muxer'
+import { MplexStreamMuxer } from './mplex.js'
 
-const log = logger('libp2p:mplex')
-
-function printMessage (msg: Message) {
-  const output: any = {
-    ...msg,
-    type: `${MessageTypeNames[msg.type]} (${msg.type})`
-  }
-
-  if (msg.type === MessageTypes.NEW_STREAM) {
-    output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice())
-  }
-
-  if (msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
-    output.data = uint8ArrayToString(msg.data instanceof Uint8Array ? msg.data : msg.data.slice(), 'base16')
-  }
-
-  return output
-}
-
-export interface MplexStream extends Stream {
-  source: Pushable<Uint8Array>
-}
-
-export interface MplexOptions extends MuxerOptions {
+export interface MplexInit extends StreamMuxerInit {
   maxMsgSize?: number
-  metrics?: ComponentMetricsTracker
 }
 
-export class Mplex implements Muxer {
-  static multicodec = '/mplex/6.7.0'
+export class Mplex implements StreamMuxerFactory {
+  public protocol = '/mplex/6.7.0'
 
-  public sink: Sink<Uint8Array>
-  public source: AsyncIterable<Uint8Array>
-
-  private _streamId: number
-  private readonly _streams: { initiators: Map<number, MplexStream>, receivers: Map<number, MplexStream> }
-  private readonly _options: MplexOptions
-  private readonly _source: { push: (val: Message) => void, end: (err?: Error) => void }
-
-  constructor (options?: MplexOptions) {
-    options = options ?? {}
-
-    this._streamId = 0
-    this._streams = {
-      /**
-       * Stream to ids map
-       */
-      initiators: trackedMap<number, MplexStream>({ metrics: options.metrics, component: 'mplex', metric: 'initiatorStreams' }),
-      /**
-       * Stream to ids map
-       */
-      receivers: trackedMap<number, MplexStream>({ metrics: options.metrics, component: 'mplex', metric: 'receiverStreams' })
-    }
-    this._options = options
-
-    /**
-     * An iterable sink
-     */
-    this.sink = this._createSink()
-
-    /**
-     * An iterable source
-     */
-    const source = this._createSource()
-    this._source = source
-    this.source = source
+  createStreamMuxer (components: Components, init?: MplexInit) {
+    return new MplexStreamMuxer(components, init)
   }
-
-  /**
-   * Returns a Map of streams and their ids
-   */
-  get streams () {
-    // Inbound and Outbound streams may have the same ids, so we need to make those unique
-    const streams: Stream[] = []
-    this._streams.initiators.forEach(stream => {
-      streams.push(stream)
-    })
-    this._streams.receivers.forEach(stream => {
-      streams.push(stream)
-    })
-    return streams
-  }
-
-  /**
-   * Initiate a new stream with the given name. If no name is
-   * provided, the id of the stream will be used.
-   */
-  newStream (name?: string): Stream {
-    const id = this._streamId++
-    name = name == null ? id.toString() : name.toString()
-    const registry = this._streams.initiators
-    return this._newStream({ id, name, type: 'initiator', registry })
-  }
-
-  /**
-   * Called whenever an inbound stream is created
-   */
-  _newReceiverStream (options: { id: number, name: string }) {
-    const { id, name } = options
-    const registry = this._streams.receivers
-    return this._newStream({ id, name, type: 'receiver', registry })
-  }
-
-  _newStream (options: { id: number, name: string, type: 'initiator' | 'receiver', registry: Map<number, MplexStream> }) {
-    const { id, name, type, registry } = options
-
-    log('new %s stream %s %s', type, id, name)
-
-    if (registry.has(id)) {
-      throw new Error(`${type} stream ${id} already exists!`)
-    }
-
-    const send = (msg: Message) => {
-      if (log.enabled) {
-        log('%s stream %s send', type, id, printMessage(msg))
-      }
-
-      if (msg.type === MessageTypes.NEW_STREAM || msg.type === MessageTypes.MESSAGE_INITIATOR || msg.type === MessageTypes.MESSAGE_RECEIVER) {
-        msg.data = msg.data instanceof Uint8Array ? msg.data : msg.data.slice()
-      }
-
-      this._source.push(msg)
-    }
-
-    const onEnd = () => {
-      log('%s stream %s %s ended', type, id, name)
-      registry.delete(id)
-
-      if (this._options.onStreamEnd != null) {
-        this._options.onStreamEnd(stream)
-      }
-    }
-
-    const stream = createStream({ id, name, send, type, onEnd, maxMsgSize: this._options.maxMsgSize })
-    registry.set(id, stream)
-    return stream
-  }
-
-  /**
-   * Creates a sink with an abortable source. Incoming messages will
-   * also have their size restricted. All messages will be varint decoded.
-   */
-  _createSink () {
-    const sink: Sink<Uint8Array> = async source => {
-      if (this._options.signal != null) {
-        source = abortableSource(source, this._options.signal)
-      }
-
-      try {
-        await pipe(
-          source,
-          source => each(source, (buf) => {
-            // console.info('incoming', uint8ArrayToString(buf, 'base64'))
-          }),
-          decode,
-          restrictSize(this._options.maxMsgSize),
-          async source => {
-            for await (const msg of source) {
-              this._handleIncoming(msg)
-            }
-          }
-        )
-
-        this._source.end()
-      } catch (err: any) {
-        log('error in sink', err)
-        this._source.end(err) // End the source with an error
-      }
-    }
-
-    return sink
-  }
-
-  /**
-   * Creates a source that restricts outgoing message sizes
-   * and varint encodes them
-   */
-  _createSource () {
-    const onEnd = (err?: Error) => {
-      const { initiators, receivers } = this._streams
-      // Abort all the things!
-      for (const s of initiators.values()) {
-        s.abort(err)
-      }
-      for (const s of receivers.values()) {
-        s.abort(err)
-      }
-    }
-    const source = pushableV<Message>({ onEnd })
-
-    return Object.assign(encode(source), {
-      push: source.push,
-      end: source.end,
-      return: source.return
-    })
-  }
-
-  _handleIncoming (message: Message) {
-    const { id, type } = message
-
-    if (log.enabled) {
-      log('incoming message', printMessage(message))
-    }
-
-    // Create a new stream?
-    if (message.type === MessageTypes.NEW_STREAM) {
-      const stream = this._newReceiverStream({ id, name: uint8ArrayToString(message.data instanceof Uint8Array ? message.data : message.data.slice()) })
-
-      if (this._options.onIncomingStream != null) {
-        this._options.onIncomingStream(stream)
-      }
-
-      return
-    }
-
-    const list = (type & 1) === 1 ? this._streams.initiators : this._streams.receivers
-    const stream = list.get(id)
-
-    if (stream == null) {
-      return log('missing stream %s', id)
-    }
-
-    switch (type) {
-      case MessageTypes.MESSAGE_INITIATOR:
-      case MessageTypes.MESSAGE_RECEIVER:
-        stream.source.push(message.data.slice())
-        break
-      case MessageTypes.CLOSE_INITIATOR:
-      case MessageTypes.CLOSE_RECEIVER:
-        stream.close()
-        break
-      case MessageTypes.RESET_INITIATOR:
-      case MessageTypes.RESET_RECEIVER:
-        stream.reset()
-        break
-      default:
-        log('unknown message type %s', type)
-    }
-  }
 }

src/stream.ts

@@ -13,3 +13,3 @@ import { abortableSource } from 'abortable-iterator'
 import type { Source } from 'it-stream-types'
-import type { MplexStream } from './index.js'
+import type { MplexStream } from './mplex.js'
 
@@ -53,3 +53,3 @@ const log = logger('libp2p:mplex:stream')
     sourceEnded = true
-    log('%s stream %s source end', type, streamName, err)
+    log.trace('%s stream %s source end', type, streamName, err)
 
@@ -75,3 +75,3 @@ if (err != null && endErr == null) {
     sinkEnded = true
-    log('%s stream %s sink end - err: %o', type, streamName, err)
+    log.trace('%s stream %s sink end - err: %o', type, streamName, err)
 
@@ -98,3 +98,3 @@ if (err != null && endErr == null) {
     abort: (err?: Error) => {
-      log('%s stream %s abort', type, streamName, err)
+      log.trace('%s stream %s abort', type, streamName, err)
       // End the source with the passed error
@@ -155,9 +155,9 @@ stream.source.end(err)
         if (err.code === ERR_MPLEX_STREAM_RESET) {
-          log('%s stream %s reset', type, name)
+          log.trace('%s stream %s reset', type, name)
         } else {
-          log('%s stream %s error', type, name, err)
+          log.trace('%s stream %s error', type, name, err)
           try {
             send({ id, type: Types.RESET })
           } catch (err) {
-            log('%s stream %s error sending reset', type, name, err)
+            log.trace('%s stream %s error sending reset', type, name, err)
           }
@@ -174,3 +174,3 @@ }
       } catch (err) {
-        log('%s stream %s error sending close', type, name, err)
+        log.trace('%s stream %s error sending close', type, name, err)
       }
@@ -177,0 +177,0 @@

New alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

82598

2.37%

Number of package files

38

15.15%

Lines of code

1365

2.02%

Dependency changes

• Updated

  @libp2p/logger@^1.1.2

• Updated

  @libp2p/tracked-map@^1.0.4

• Updated

  uint8arraylist@^1.4.0