juliangruber

#!/usr/bin/env bash

ipv4ranges=(
  10.0.0.0/8
  100.64.0.0/10
  169.254.0.0/16
  172.16.0.0/12
  192.0.0.0/24
  192.0.2.0/24
  192.168.0.0/16

juliangruber

Current Saturn topology, with multi-peer retrieval (TBD) between L1<>L2:

flowchart TB
HttpClient <--> DNS[L1 DNS]
DNS <--> L1'
subgraph L1s[L1s deployed to data centers]
  L1
  L1'
 L1''

juliangruber

$ npm run build

> libp2p@0.38.0 build
> aegir build

[08:47:41] tsc [started]
src/circuit/auto-relay.ts:54:80 - error TS2345: Argument of type '(evt: CustomEvent<Connection>) => void' is not assignable to parameter of type 'EventHandler<CustomEvent<Connection>> | null'.
  Type '(evt: CustomEvent<Connection>) => void' is not assignable to type 'EventCallback<CustomEvent<Connection>>'.
    Types of parameters 'evt' and 'evt' are incompatible.
      Type 'CustomEvent<import("/Users/julian/dev/libp2p/js-libp2p/node_modules/@libp2p/interface-connection-manager/node_modules/@libp2p/interface-connection/dist/src/index").Connection>' is not assignable to type 'CustomEvent<import("/Users/julian/dev/libp2p/js-libp2p/node_modules/@libp2p/interface-connection/dist/src/index").Connection>'.

juliangruber

L1<>L2 architecture

Conventions

• Naming
  • L1: L1 machine
  • l1: Individual l1 worker process
• The overview graph lists all involved components. In future graphs irrelevant components are omitted for readability, which doesn't mean they have been removed

Problems to solve

juliangruber

using level-sublevel, level-sec and validimir to have

• validations
• schema documentation
• schema enforcement
• index definitions

juliangruber

const dgram = require('dgram')
const glossy = require('glossy')

const syslogProducer = new glossy.Produce()
const socket = dgram.createSocket('udp4')

const sendToPapertrail = (chunk, { severity }) => {
  const syslog = syslogProducer.produce({
    facility: 'user',
    severity,

juliangruber

First, install dnsmasq using brew:

$ brew update
$ brew install dnsmasq

Then create your configuration

juliangruber

node-websocketd

A lightweight node port of websocketd, originally written in go.

Usage

node-websocketd --port=8080 ./count.sh

juliangruber

class Pubsub {
  Map channels;
  
  Pubsub() {
    channels = new Map();
  }
  
  subscribe(String channel, Function cb) {
    if (channels[channel] == null) {
      channels[channel] = new List<Function>();

juliangruber

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>CFBundleDocumentTypes</key>
    <array>
      <dict>
        <key>CFBundleTypeName</key>
        <string>All Files</string>
        <key>LSHandlerRank</key>