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yamux-js

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Comparing version 0.0.1 to 0.0.2

3

lib/index.d.ts
import { Client } from './client';
import { Config } from './mux';
import { Server } from './server';
export { Client, Server };
export { Config, Client, Server };

13

lib/mux.d.ts
export interface Config {
acceptBacklog?: number;
enableKeepAlive?: boolean;
keepAliveInterval?: number;
connectionWriteTimeout?: number;
maxStreamWindowSize?: number;
logger?: typeof console.log;
}
export declare const defaultConfig: {
acceptBacklog: number;

@@ -7,4 +15,3 @@ enableKeepAlive: boolean;

maxStreamWindowSize: number;
logger: typeof console.log;
}
export declare const defaultConfig: Config;
logger: (message?: any, ...optionalParams: any[]) => void;
};

10

lib/session.d.ts

@@ -5,3 +5,3 @@ /// <reference types="node" />

import { Header } from './header';
import { Config } from './mux';
import { Config, defaultConfig } from './mux';
export declare class Session extends Transform {

@@ -11,10 +11,10 @@ private localGoaway;

private nextStreamID;
private streams;
private shutdown;
config: typeof defaultConfig;
private pings;
private pingID;
private pingTimer?;
private streams;
private shutdown;
protected onStream?: (duplex: Duplex) => void;
private currentHeader?;
config: Config;
constructor(client: boolean, config?: Config, onStream?: (duplex: Duplex) => void);

@@ -28,3 +28,3 @@ _transform(chunk: any, encoding: BufferEncoding, cb: TransformCallback): void;

private goAway;
open(): Duplex | undefined;
open(): Duplex;
private handlePing;

@@ -31,0 +31,0 @@ private ping;

61

lib/session.js

@@ -10,3 +10,3 @@ "use strict";

class Session extends stream_1.Transform {
constructor(client, config = mux_1.defaultConfig, onStream) {
constructor(client, config, onStream) {
super();

@@ -17,2 +17,5 @@ // localGoAway indicates that we should stop accepting futher connections

this.remoteGoAway = false;
// pings is used to track inflight pings
this.pings = new Map();
this.pingID = 0;
// streams maps a stream id to a stream

@@ -22,5 +25,2 @@ this.streams = new Map();

this.shutdown = false;
// pings is used to track inflight pings
this.pings = new Map();
this.pingID = 0;
if (client) {

@@ -33,3 +33,3 @@ this.nextStreamID = 1;

this.onStream = onStream;
this.config = config;
this.config = Object.assign(Object.assign({}, mux_1.defaultConfig), config);
if (this.config.enableKeepAlive) {

@@ -40,7 +40,5 @@ this.keepalive();

_transform(chunk, encoding, cb) {
this.config.logger('session: received', chunk); // .toString("ascii"));
let packet = Buffer.alloc(chunk.length, chunk);
if (!this.currentHeader) {
if (packet.length >= header_1.Header.LENGTH) {
this.config.logger('H ', packet.toString('hex'));
this.currentHeader = header_1.Header.parse(packet);

@@ -51,3 +49,2 @@ packet = packet.slice(header_1.Header.LENGTH);

// header info is incomplete wait for more data
console.log('header info is incomplete wait for more data');
return cb();

@@ -57,3 +54,2 @@ }

let expectedLength = this.currentHeader.length;
this.config.logger('currentHeader', this.currentHeader, this.currentHeader.encode(), 'packet', packet, 'len', packet.length, 'is server', this.nextStreamID % 2 == 0);
// Verify the version

@@ -71,16 +67,6 @@ if (this.currentHeader.version !== constants_1.VERSION) {

var fullPacket = packet.slice(0, expectedLength);
// this.push(currentHeader, fullPacket);
// this.config.logger("packet", fullPacket.toString());
// assert(expectedLength === fullPacket.length);
// assert(packet.length === rest.length + fullPacket.length);
this.handleStreamMessage(this.currentHeader, fullPacket, encoding);
// expectedLength = 0;
// packet = Buffer.alloc(0);
this.currentHeader = undefined;
if (rest.length > 0) {
// logger.debug("REST: %d", rest.length);
// this.config.logger("remaining", rest.toString());
// return cb(undefined, rest);
return this._transform(rest, encoding, cb);
// return plexer._transform(rest, encoding, cb);
}

@@ -93,7 +79,3 @@ }

if (packet.length > 0) {
// logger.debug("REST: %d", rest.length);
// this.config.logger("remaining", rest.toString());
// return cb(undefined, rest);
return this._transform(packet, encoding, cb);
// return plexer._transform(rest, encoding, cb);
}

@@ -133,9 +115,3 @@ break;

}
this.config.logger('Pushing', fullPacket.toString(), 'to stream', stream.ID());
stream.push(fullPacket, encoding);
// this.push(fullPacket);
// old
// handle accorrding to header
// get or create stream
// push packet to stream
}

@@ -145,3 +121,2 @@ closeStream(streamID) {

}
/////////
isClosed() {

@@ -166,6 +141,7 @@ return this.shutdown;

});
error ? this.emit('error', error) : console.log('noope'); // this.destroy();
if (error) {
this.emit('error', error);
}
this.end();
}
// tood private/public methods
// incomingStream is used to create a new incoming stream

@@ -178,3 +154,2 @@ incomingStream(streamID) {

}
// console.log("stream incomoign", this.streams);
// Allocate a new stream

@@ -184,3 +159,2 @@ const stream = new stream_2.Stream(this, streamID, constants_1.STREAM_STATES.SYNReceived);

if (this.streams.has(streamID)) {
console.log('dupl', streamID);
this.config.logger('[ERR] yamux: duplicate stream declared');

@@ -199,3 +173,2 @@ this.emit('error', constants_1.ERRORS.errDuplicateStream);

}
// this.config.logger("calling onstream", this.onStream);
if (this.onStream) {

@@ -212,12 +185,12 @@ this.onStream(stream);

open() {
const stream = new stream_2.Stream(this, this.nextStreamID, constants_1.STREAM_STATES.Init);
this.nextStreamID += 2;
if (this.isClosed()) {
this.emit('error', constants_1.ERRORS.errSessionShutdown);
return;
return stream;
}
if (this.remoteGoAway) {
this.emit('error', constants_1.ERRORS.errRemoteGoAway);
return;
return stream;
}
const stream = new stream_2.Stream(this, this.nextStreamID, constants_1.STREAM_STATES.Init);
this.nextStreamID += 2;
this.streams.set(stream.ID(), stream);

@@ -230,5 +203,3 @@ stream.sendWindowUpdate();

if (hdr.flags === constants_1.FLAGS.SYN) {
// this.config.logger("[PING] handle ping", hdr, this.nextStreamID, "is server", this.nextStreamID%2==0);
const responseHdr = new header_1.Header(constants_1.VERSION, constants_1.TYPES.Ping, constants_1.FLAGS.ACK, 0, pingID);
// this.config.logger("sending back ping acck", responseHdr);
return this.send(responseHdr);

@@ -238,3 +209,2 @@ }

const responseTimeout = this.pings.get(pingID);
// this.config.logger("[PING] handle ping akc", hdr, this.nextStreamID, "is server", this.nextStreamID % 2 == 0, !!responseTimeout, this.pings.size, pingID);
if (responseTimeout) {

@@ -253,3 +223,2 @@ clearTimeout(responseTimeout);

const hdr = new header_1.Header(constants_1.VERSION, constants_1.TYPES.Ping, constants_1.FLAGS.SYN, 0, pingID);
// this.config.logger("[PING] Send ping", hdr);
// Wait for a response

@@ -267,3 +236,2 @@ const responseTimeout = setTimeout(() => {

}
// public accept(): Stream {
send(header, data) {

@@ -275,4 +243,5 @@ const buffers = [header.encode()];

const toSend = Buffer.concat(buffers);
// this.config.logger("sending", toSend);
this.push(toSend);
if (!this.writableEnded) {
this.push(toSend);
}
}

@@ -279,0 +248,0 @@ handleGoAway(hdr) {

13

lib/stream.js

@@ -8,3 +8,2 @@ "use strict";

class Stream extends stream_1.Duplex {
// private encoder: Transform | undefined;
constructor(session, id, state) {

@@ -40,3 +39,2 @@ super();

const sendHdr = new header_1.Header(constants_1.VERSION, constants_1.TYPES.Data, flags, this.id, chunk.length);
// console.log("next header", sendHdr);
const buffers = [sendHdr.encode(), chunk];

@@ -55,6 +53,2 @@ const packet = Buffer.concat(buffers);

}
// console.log("pushgin to recvbuf");
// let packet = this.recvBuf ? this.recvBuf : Buffer.alloc(0);
// this.recvBuf = Buffer.concat([packet, chunk]);
// this.push(this.recvBuf);
break;

@@ -94,6 +88,7 @@ }

this.controlHdr = new header_1.Header(constants_1.VERSION, constants_1.TYPES.WindowUpdate, flags, this.id, 0);
this.session.send(this.controlHdr);
if (!this.session.isClosed()) {
this.session.send(this.controlHdr);
}
}
close() {
console.log('srte close', this.state);
switch (this.state) {

@@ -136,3 +131,3 @@ // Opened means we need to signal a close

default:
console.log('[ERR] yamux: unexpected FIN flag in state %d', this.state);
this.session.config.logger('[ERR] yamux: unexpected FIN flag in state %d', this.state);
this.emit('error', constants_1.ERRORS.errUnexpectedFlag);

@@ -139,0 +134,0 @@ return;

23

package.json
{
"name": "yamux-js",
"version": "0.0.1",
"main": "src/index.ts",
"version": "0.0.2",
"main": "lib/index",
"license": "MIT",

@@ -23,10 +23,19 @@ "repository": {

"clean": "rm -rf lib",
"format": "yarn prettier --write .",
"format:check": "yarn prettier .",
"format": "yarn prettier --write src",
"format:check": "yarn prettier --check src",
"prepare": "yarn format:check && yarn build",
"test": "mocha --require ts-node/register --color --recursive --extension ts",
"test:watch": "yarn test --watch"
},
"publishConfig": {
"main": "lib/index"
},
"keywords": [
"yamux",
"hashicorp",
"multiplex",
"multiplexer",
"multiplexing",
"streams",
"typescript",
"javascript",
"interleave"
],
"files": [

@@ -33,0 +42,0 @@ "lib"

15

readme.md
# Yamux-js
[![npm version](https://badge.fury.io/js/yamux-js.svg)](https://www.npmjs.com/package/yamux-js)
[![Build status](https://img.shields.io/github/workflow/status/th-ch/yamux-js/Node.js%20CI)](https://github.com/th-ch/yamux-js)

@@ -26,2 +27,16 @@ [![GitHub license](https://img.shields.io/github/license/th-ch/yamux-js.svg)](https://github.com/th-ch/yamux-js/blob/master/LICENSE)

## Installation
Install Yamux-js using [`yarn`](https://yarnpkg.com/en/package/jest):
```bash
yarn add yamux-js
```
Or [`npm`](https://www.npmjs.com/package/yamux-js):
```bash
npm install --save yamux-js
```
## Usage

@@ -28,0 +43,0 @@ 

src/index.ts
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