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/// what we have most looking like a physical device
#[derive(Debug, Clone)]
pub struct Disk {
/// a name, like "sda", "sdc", "nvme0n1", etc.
pub name: String,
/// true for HDD, false for SSD, None for unknown.
/// This information isn't reliable for USB devices
pub rotational: Option<bool>,
/// whether the system thinks the media is removable.
/// Seems reliable when not mapped
pub removable: Option<bool>,
/// whether the disk is read-only
pub read_only: Option<bool>,
/// whether it's a RAM disk
pub ram: bool,
/// disk image (Mac only right now)
pub image: bool,
/// whether it's on LVM
pub lvm: bool,
/// whether it's a crypted disk
pub crypted: bool,
}
impl Disk {
/// a synthetic code trying to express the essence of the type of media,
/// an empty str being returned when information couldn't be gathered.
/// This code is for humans and may change in future minor versions.
pub fn disk_type(&self) -> &'static str {
if self.ram {
"RAM"
} else if self.image {
"imag"
} else if self.crypted {
"crypt"
} else if self.lvm {
"LVM"
} else {
match (self.removable, self.rotational) {
(Some(true), _) => "remov",
(Some(false), Some(true)) => "HDD",
(Some(false), Some(false)) => "SSD",
_ => "",
}
}
}
}