Using Unix sockets with socket2

Question

I'm trying to build a Unix-domain socket using the socket2 crate and the most basic code fails to compile:

extern crate socket2;
use socket2::*;

fn main() {
    let socket = Socket::new(Domain::unix(), Type::dgram(), None).unwrap();
}

This is the error:

5 | let socket = Socket::new(Domain::unix(), Type::dgram(), None).unwrap();
  |                          ^^^^^^^^^^^^ function or associated item not found in 
                                               `socket2::Domain`

The documentation indicates, that unix function is "only available on Unix when the unix feature is activated". I'm running this code on a Ubuntu machine. Do I need to activate anything else in my cargo file for this function to be enabled? The crate lacks examples that I can rely on.

This is not a [MCVE](https://stackoverflow.com/help/mcve). Please try to create one — hellow, Aug 24 '18 at 10:48
Why don't you just use a regular [UDP socket](https://doc.rust-lang.org/std/net/struct.UdpSocket.html)? — hellow, Aug 24 '18 at 10:54
The use I have is for IPC between processes that require to communicate using socket files for various other reasons. — Dash83, Aug 24 '18 at 10:57

Stargateur · Accepted Answer · 2018-08-24T11:12:18.967

3

This function is only available on Unix when the unix feature is activated.

And How to activate a feature

In your case just add this to your cargo manifest:

[dependencies.socket2]
version = "0.3.7"
features = ["unix"]

edited Aug 24 '18 at 11:12

answered Aug 24 '18 at 10:57

Stargateur

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Using Unix sockets with socket2

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