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use libudev to handle device disconnect/reconnect

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This change has substantially bumped up the daemon's overall robustness,
as the code now ensures that the controller will only start once the
/dev/input/eventXX file is set up, which was causing all sorts of issues
in the past.

Additionally, this change enables the daemon to run as a proper
background task that _doesn't_ constantly die / need to be restarted,
which removes the need for any janky udev "on add" rules, and instead, a
simple systemd user service will suffice.
This commit is contained in:
Daniel Prilik
2020-11-06 00:22:56 -05:00
parent 559a28c2d7
commit f7a261cb8a
11 changed files with 555 additions and 276 deletions
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2
Cargo.toml
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@@ -10,9 +10,11 @@ directories = "3.0"
evdev-rs = { git = "https://github.com/ndesh26/evdev-rs.git", rev = "8e995b8bf" }
hidapi = { version = "1.2.3", default-features = false, features = ["linux-shared-hidraw"] }
lazy_static = "1.4"
nix = "0.19.0"
notify-rust = "4"
parking_lot = "0.11.0"
signal-hook = "0.1.16"
udev = "0.5"
# HACK: Using >1 virtual uinput devices will segfault in release builds.
#