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use mullvad_update::version::VersionArchitecture;
/// The environment consists of globals and/or constants which need to be computed at runtime.
pub struct Environment {
pub architecture: Architecture,
}
pub type Architecture = mullvad_update::format::Architecture;
pub enum Error {
/// Failed to get the host's CPU architecture.
Arch,
}
impl Environment {
/// Try to load the environment.
pub fn load() -> Result<Self, Error> {
let architecture = Self::get_arch()?;
Ok(Environment { architecture })
}
/// Try to map the host's CPU architecture to one of the CPU architectures the Mullvad VPN app
/// supports.
fn get_arch() -> Result<VersionArchitecture, Error> {
let arch = talpid_platform_metadata::get_native_arch()
.inspect_err(|err| log::debug!("{err}"))
.map_err(|_| Error::Arch)?
.ok_or(Error::Arch)?;
let arch = match arch {
talpid_platform_metadata::Architecture::X86 => VersionArchitecture::X86,
talpid_platform_metadata::Architecture::Arm64 => VersionArchitecture::Arm64,
};
Ok(arch)
}
}
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