ferd/recon

Testing Frameworks and Libraries Code Coverage Tools

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Erlang
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Created over 11 years ago
Updated about 2 months ago

ferd/recon

ferd

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Collection of functions and scripts to debug Erlang in production.

recon

Recon wants to be a set of tools usable in production to diagnose Erlang problems or inspect production environment safely.

To build the library:

rebar3 compile

Documentation for the library can be obtained at http://ferd.github.io/recon/

It is recommended that you use tags if you do not want bleeding edge and development content for this library.

Current Status

Versions supported: OTP-18 and up. Support of OTP-17 down to R15B02 is best effort. Builds with Rebar3 require OTP-18.3 and up because that's what the build tools support. Testing may eventually clamp up to OTP-supported releases (current and the two prior).

erlang-history

Hacks to add shell history to Erlang's shell

pobox

External buffer processes to protect against mailbox overflow in Erlang

vmstats

tiny Erlang app to generate information on the Erlang VM

dispcount

Erlang task dispatcher based on ETS counters.

erlpass

A library to handle password hashing and changing in a safe manner, independent from any kind of storage whatsoever.

backoff

Simple exponential backoffs in Erlang

merklet

Merkle Trees for data replication in Erlang

sups

PropEr model helper library to validate implementations of supervisor trees

recon_demo

Playground for recon, for practice and demos.

zippers

A library for functional zipper data structures in Erlang. Read more on zippers @ http://ferd.ca/yet-another-article-on-zippers.html

flatlog

A custom formatter for the Erlang logger application that turns maps into single line text logs

cth_readable

Common Test hooks for more readable logs

dandelion

A weed is a plant considered undesirable in a particular situation, "a plant in the wrong place". Taxonomically, the term "weed" has no botanical significance, because a plant that is a weed in one context is not a weed when growing in a situation where it is wanted.

lrw

Lowest Random Weight hashing for neatly rebalancing hashes

simhash

Simhashing for Erlang -- hashing algorithm to find near-duplicates in binary data.

bertconf

Make ETS tables out of statc BERT files that are auto-reloaded

ReVault

ReVault is a peer-to-peer self-hosted file synchronization project.

slider

A WxErlang application to generate slidesets.

dlhttpc

dispcount-based lhttpc fork for massive amounts of requests to limited endpoints

rebar3_proper

Run PropEr test suites with rebar3

batchio

io:format middle-man that buffers and batches output sent to the io server for better throughput

erl_crashdump_analyzer

shell script to analyze Erlang crash dumps and find some (generally) useful information.

hairnet

An Erlang library wrapping AES-GCM (AEAD) crypto in a Fernet-like interface

howistart-erlang1-code

Code for my tutorial on howistart.org

useragent

Identify browsers and OSes from user agent strings, in Erlang

hubble

create, read, and update deep Erlang data structures, accessible through explicit paths.

cth_retry

Common Test hooks to retry the last failing cases // Now built in Rebar3

cascading-failures

crappy bit of Erlang code whose sole purpose is to crash repeatedly.

my-finger

Just waiting for pull requests

rebar3_shellrpc

A plugin to send commands to a running rebar3 shell

alias_transform

A parse transform to introduce module aliasing into Erlang code

blogerl

My own blog engine. It's been held together with duct tape since 2010

tend

The Erl Next Door -- a useful platform with which we can quickly load dependencies for tutorials or demonstrations online, and letting people try code as they see fit.

erl_subgraph_compile

A rebar plugin to only do partial re-builds of some files without any safety checks.

calcalc

Calendrical Calculations; Erlang port of Dershowitz & Reingold's algorithms.

bitarray

NIF to replace HiPE bitarray functions

rebar3-alias

Rebar3 Alias Plugin

start_wrap

Dumb Wrapper to make full releases possible in Erlang with a 'main' loop

interclock

Experimental project to write an Erlang database app using Interval Tree Clocks. NO GUARANTEES EVER.

rebar3_todo

A rebar3 plugin that scans source code for TODO notes

advent-of-code-2021

Trying the advent of code 2021 in Awk

erl-loadbalance-benchmarks

trx

A rebar plugin to export Erlang test data into Visual Studio test format (.trx files)

peeranha

Experimental master-to-master DB using ITCs

cowboyku

Cowboy fork to be used with Heroku's proxy library