erlsci / port-examples

gen_server-based set of Erlang/OTP examples for running ports in other languages

port-examples

An Erlang/OTP application for running Port examples in various languages

Dependencies & Setup

This application assumes that the following are on your system:

• git
• GNU make
• A modern install of Erlang (v20+)
• rebar3 (Erlang build tool)
• Golang
• SBCL (Steel Bank Common Lisp)
• Quicklisp (CL deps manager)

This project's rebar.config.script will sett the required Go environment variables, but you will need to link the Common Lisp examples to your local Quicklisp directory (see below for details).

Build & Run

$ make

This will clone the Go and Common Lisp repos that are used in the examples. Now you need to tell Quicklisp about the cloned Common Lisp libs:

$ cd apps/ports/priv/cl-port-examples/
$ ln -s `pwd` ~/quicklisp/local-projects/
$ cd -

Now the app is ready to run:

$ make run

See the running port gen_servers:

> ports_app:children().
[{lisp_echo_server,<0.258.0>,worker,[lisp_echo_server]},
 {go_echo_server,<0.257.0>,worker,[go_echo_server]}]

Echo Examples

go_echo_server:send({command, echo}).

{result,"echo"}

lisp_echo_server:send({command, echo}).

{result,"echo"}

port-examples's Issues

Convert Erlang to LFE

This project started out as a demo for a friend (separate, private repo with a little different functionality). It was important to do that in Erlang-proper, but there's no reason this can't be ported/converted to LFE 😄

Add support for passing args in Port calls

This will be necessary in order to utilize the CL maths code in the Maxima libs,