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sockets

A simple wrapper around C sockets for Carp.

Installation

(load \"https://github.com/carpentry-org/sockets@0.0.2\")

Usage

Setting up a socket can be done through setup-server and setup-client or through the macros with-server and with-client.

(let [sock (Socket.setup-server "127.0.0.1" 80)]
  ; ... work with sock
  )

(let [sock (Socket.setup-client "127.0.0.1" 80)]
  ; ...
  )

(Socket.with-server sock "127.0.0.1" 80
  ; use sock as above
  )

(Socket.with-client sock "127.0.0.1" 80
  ; use sock as above
  )

After checking that they are valid using Socket.valid?, client sockets can send and read right away, whereas server sockets have to listen and accept first. Just like in C!

Alternatively, you can also use the macro with-connection in the server, like so:

(Socket.with-server server "127.0.0.1" 80
  (Socket.with-connection &server client
    (send &client "nice to meet you!")
  )
)

If you want a server that accepts connections forever, use while-connection:

(Socket.with-server server "127.0.0.1" 80
  (Socket.while-connection &server client
    (send &client "nice to meet you!")
  )
)

This will never terminate, unless interrupted by the user or failure.


Have fun!

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A simple socket API for Carp

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