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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
To: Stefan Hanreich <s.hanreich@proxmox.com>
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Subject: Re: [pve-devel] [PATCH proxmox-ve-rs v2 12/25] sdn: add name types
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On Thu, Oct 10, 2024 at 05:56:24PM GMT, Stefan Hanreich wrote:
> Signed-off-by: Stefan Hanreich <s.hanreich@proxmox.com>
> ---
> proxmox-ve-config/src/lib.rs | 1 +
> proxmox-ve-config/src/sdn/mod.rs | 240 +++++++++++++++++++++++++++++++
> 2 files changed, 241 insertions(+)
> create mode 100644 proxmox-ve-config/src/sdn/mod.rs
>
> diff --git a/proxmox-ve-config/src/lib.rs b/proxmox-ve-config/src/lib.rs
> index 1b6feae..d17136c 100644
> --- a/proxmox-ve-config/src/lib.rs
> +++ b/proxmox-ve-config/src/lib.rs
> @@ -2,3 +2,4 @@ pub mod common;
> pub mod firewall;
> pub mod guest;
> pub mod host;
> +pub mod sdn;
> diff --git a/proxmox-ve-config/src/sdn/mod.rs b/proxmox-ve-config/src/sdn/mod.rs
> new file mode 100644
> index 0000000..4e7c525
> --- /dev/null
> +++ b/proxmox-ve-config/src/sdn/mod.rs
> @@ -0,0 +1,240 @@
> +use std::{error::Error, fmt::Display, str::FromStr};
> +
> +use serde_with::DeserializeFromStr;
> +
> +use crate::firewall::types::Cidr;
> +
> +#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
> +pub enum SdnNameError {
> + Empty,
> + TooLong,
> + InvalidSymbols,
> + InvalidSubnetCidr,
> + InvalidSubnetFormat,
> +}
> +
> +impl Error for SdnNameError {}
> +
> +impl Display for SdnNameError {
> + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
> + f.write_str(match self {
> + SdnNameError::TooLong => "name too long",
> + SdnNameError::InvalidSymbols => "invalid symbols in name",
> + SdnNameError::InvalidSubnetCidr => "invalid cidr in name",
> + SdnNameError::InvalidSubnetFormat => "invalid format for subnet name",
> + SdnNameError::Empty => "name is empty",
> + })
> + }
> +}
> +
> +fn validate_sdn_name(name: &str) -> Result<(), SdnNameError> {
> + if name.is_empty() {
> + return Err(SdnNameError::Empty);
> + }
> +
> + if name.len() > 8 {
> + return Err(SdnNameError::TooLong);
> + }
> +
> + // safe because of empty check
> + if !name.chars().next().unwrap().is_ascii_alphabetic() {
> + return Err(SdnNameError::InvalidSymbols);
> + }
> +
> + if !name.chars().all(|c| c.is_ascii_alphanumeric()) {
> + return Err(SdnNameError::InvalidSymbols);
> + }
> +
> + Ok(())
> +}
> +
> +/// represents the name of an sdn zone
> +#[derive(Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, DeserializeFromStr)]
> +pub struct ZoneName(String);
> +
> +impl ZoneName {
> + /// construct a new zone name
> + ///
> + /// # Errors
> + ///
> + /// This function will return an error if the name is empty, too long (>8 characters), starts
> + /// with a non-alphabetic symbol or if there are non alphanumeric symbols contained in the name.
> + pub fn new(name: String) -> Result<Self, SdnNameError> {
> + validate_sdn_name(&name)?;
> + Ok(ZoneName(name))
> + }
> +
> + pub fn name(&self) -> &str {
^ I wonder if this should be `as_str()`
And would it make sense to `impl AsRef<str>`?
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