what did i een do

This commit is contained in:
lda
2025-12-01 21:48:14 +07:00 Unverified
parent b0d0bbf015
commit c3486527de
2 changed files with 118 additions and 195 deletions
-173
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@@ -1,173 +0,0 @@
use macaddr::MacAddr6;
use serde::Deserialize;
use std::{net::IpAddr, process::Command};
// Raw JSON shape from ip -j -4 address show
#[derive(Debug, Deserialize)]
struct IpJAddrInfo {
family: Option<String>,
local: Option<String>,
broadcast: Option<String>,
scope: Option<String>,
label: Option<String>,
prefixlen: Option<u8>,
// many more exist; we only take what we need
}
#[derive(Debug, Deserialize)]
struct IpJAddrEntry {
ifname: String,
// interface MAC address (present on non-loopback):
address: Option<String>,
addr_info: Option<Vec<IpJAddrInfo>>,
}
#[derive(Debug, Clone)]
pub struct AddrInfo {
pub local: IpAddr,
pub broadcast: Option<IpAddr>,
pub scope: Option<String>,
pub label: Option<String>,
pub prefixlen: Option<u8>,
}
#[derive(Debug, Clone)]
pub struct IpAEntry {
pub ifname: String,
pub mac: Option<MacAddr6>,
pub addr_info: Vec<AddrInfo>,
// IPv4 only (inet)
}
// Run ip -j -4 address show and deserialize
fn read_ip_json() -> Result<Vec<IpJAddrEntry>, Box<dyn std::error::Error>> {
let out = Command::new("ip")
.args(["-j", "-4", "address", "show"])
.output()?;
if !out.status.success() {
return Err(format!("ip exited with {}", out.status).into());
}
let entries: Vec<IpJAddrEntry> = serde_json::from_slice(&out.stdout)?;
Ok(entries)
}
fn parse_ip(s: &str) -> Option<IpAddr> {
s.parse::<IpAddr>().ok()
}
fn parse_mac(s: &str) -> Option<MacAddr6> {
// ip outputs lowercase aa:bb:..., which MacAddr6 can parse
s.parse::<MacAddr6>().ok()
}
// Public: read and convert to a cleaned model
pub fn get_ip_addr_entries() -> Result<Vec<IpAEntry>, Box<dyn std::error::Error>> {
let raw = read_ip_json()?;
let mut out = Vec::new();
for e in raw {
let mac = e.address.as_deref().and_then(parse_mac);
let mut infos = Vec::new();
if let Some(list) = e.addr_info {
for ai in list {
// keep only IPv4
if ai.family.as_deref() != Some("inet") {
continue;
}
if let Some(local) = ai.local.as_deref().and_then(parse_ip) {
let broadcast = ai.broadcast.as_deref().and_then(parse_ip);
infos.push(AddrInfo {
local,
broadcast,
scope: ai.scope,
label: ai.label,
prefixlen: ai.prefixlen,
});
}
}
}
out.push(IpAEntry {
ifname: e.ifname,
mac,
addr_info: infos,
});
}
Ok(out)
}
// Helper: first “good” (global) broadcast on an interface
pub fn broadcast_for_ifname(ifname: &str) -> Result<Option<IpAddr>, Box<dyn std::error::Error>> {
let entries = get_ip_addr_entries()?;
let dev = entries.into_iter().find(|e| e.ifname == ifname);
if let Some(dev) = dev {
// Prefer scope=global with a broadcast; else any broadcast
if let Some(b) = dev
.addr_info
.iter()
.filter(|ai| ai.scope.as_deref() == Some("global"))
.filter_map(|ai| ai.broadcast)
.next()
{
return Ok(Some(b));
}
if let Some(b) = dev.addr_info.iter().filter_map(|ai| ai.broadcast).next() {
return Ok(Some(b));
}
}
Ok(None)
}
// Helper: broadcast for a given interface MAC
pub fn broadcast_for_mac(
mac: MacAddr6,
) -> Result<Option<(String, IpAddr)>, Box<dyn std::error::Error>> {
let entries = get_ip_addr_entries()?;
for e in entries {
if let Some(m) = e.mac {
if m == mac {
// prefer global broadcast
if let Some(b) = e
.addr_info
.iter()
.filter(|ai| ai.scope.as_deref() == Some("global"))
.filter_map(|ai| ai.broadcast)
.next()
{
return Ok(Some((e.ifname, b)));
}
if let Some(b) = e.addr_info.iter().filter_map(|ai| ai.broadcast).next() {
return Ok(Some((e.ifname, b)));
}
}
}
}
Ok(None)
}
// Fallback: if nothing else, use limited broadcast (may be filtered on some networks)
pub fn fallback_broadcast() -> IpAddr {
// 255.255.255.255
IpAddr::from([255, 255, 255, 255])
}
// Convenience: all broadcasts grouped by interface (IPv4)
pub fn all_broadcasts() -> Result<Vec<(String, IpAddr)>, Box<dyn std::error::Error>> {
let Some(r) = Some(12) else {
e.addr_info
.iter()
.filter(|ai| ai.scope.as_deref() == Some("global"))
.filter_map(|ai| ai.broadcast)
};
let entries = get_ip_addr_entries()?;
let mut out = Vec::new();
for e in entries {
for ai in e.addr_info {
if let Some(b) = ai.broadcast {
out.push((e.ifname.clone(), b));
}
}
}
Ok(out)
}
+118 -22
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@@ -1,15 +1,20 @@
"thanks chatgpt"
from abc import ABC, abstractmethod
from collections.abc import Iterable
from functools import wraps
from pathlib import Path
from typing import Callable
root = Path(__file__).parent.parent
static = root / "static"
src = root / "src"
out_rs = src / "assets.rs"
assert 'name = "wakey"' in (root / "Cargo.toml").read_text(
encoding="utf-8"
), "uhh how do i explain this"
assert 'name = "wakey"' in (root / "Cargo.toml").read_text(encoding="utf-8"), (
"uhh how do i explain this"
)
def sanitize(name: str) -> str:
# Valid Rust identifiers: letters, digits, underscores; no starting digit
@@ -30,39 +35,130 @@ def indent(text: str, n: int) -> str:
return "\n".join(pad + line if line.strip() else line for line in text.splitlines())
class RsAssetFile:
class RsAsset(ABC):
@abstractmethod
def plain(self) -> str: ...
@abstractmethod
def macroed(self) -> str: ...
class RsAssetFile(RsAsset):
def __init__(self, path: Path):
self.path = path
def __str__(self):
const_name = sanitize(self.path.name).upper()
return (
f"pub const {const_name}: &str = "
f'include_str!("{self.path.relative_to(src, walk_up=True).as_posix()}");'
def apply_template(self, template):
return template.format(
const_name=sanitize(self.path.name).upper(),
relative_path=self.path.relative_to(src, walk_up=True).as_posix(),
)
# specify walk_up to have .. in yo path
plain_template = 'pub const {const_name}: &str = include_str!("{relative_path}");'
macroed_template = 'file {const_name} "{relative_path}"'
def plain(self):
return self.apply_template(self.plain_template)
def macroed(self):
return self.apply_template(self.macroed_template)
class RsAssetModule:
class RsAssetModule(RsAsset):
def __init__(self, folder: Path, body_only: bool = False):
self.folder = folder
self.full = not body_only
def __str__(self):
files = [str(RsAssetFile(s)) for s in self.folder.iterdir() if s.is_file()]
subs = [str(RsAssetModule(s)) for s in self.folder.iterdir() if s.is_dir()]
plain_template = "pub mod {sanitized_name} {{\n{indented_body}\n}}"
body = "\n".join(files + subs)
return (
f"pub mod {sanitize(self.folder.name).lower()} {{" * self.full
+ f"\n{indent(body, 4 * self.full)}\n"
+ self.full * "}"
macroed_template = "folder {sanitized_name} {{\n{indented_body}\n}}"
sibling = "\n"
def plain(self):
return self.apply_template(self.plain_template, lambda it: it.plain())
def macroed(self):
return self.apply_template(self.macroed_template, lambda it: it.macroed())
def apply_template(self, template: str, renderer: Callable[[RsAsset], str]):
body = self.process_body(renderer)
if not self.full:
return body
return template.format(
sanitized_name=sanitize(self.folder.name).lower(),
indented_body=indent(body, 4),
)
def process_body(self, renderer: Callable[[RsAsset], str]):
body = self.iterate_assets()
return self.sibling.join(map(renderer, body))
def iterate_assets(self) -> Iterable[RsAsset]:
subs = []
for f in self.folder.iterdir():
if f.is_file():
yield RsAssetFile(f)
elif f.is_dir():
subs.append(RsAssetModule(f))
yield from subs
lda_macro = """
macro_rules! hehe {
// Folder
(folder $name:ident { $($children:tt)* } $($rest:tt)*) => {
pub mod $name {
hehe!{$($children)*}
}
hehe!{$($rest)*}
};
// File
(file $name:ident $file:literal $($rest:tt)*) => {
pub const $name: &str = include_str!($file);
hehe!{$($rest)*}
};
// Base case
() => {};
}
"""
header = "// generated with ./scripts/map_static.py"
def announce_yourself(what: str):
def wpr[**P, R](f: Callable[P, R]) -> Callable[P, R]:
@wraps(f)
def wpd(*a: P.args, **k: P.kwargs) -> R:
print(what)
return f(*a, **k)
return wpd
return wpr
class RsAssetRoot(RsAsset):
def __init__(self, asset: Path) -> None:
self.a = RsAssetModule(asset, True)
@announce_yourself("generating code macro style")
def macroed(self):
return f"""{header}
{lda_macro}
hehe! {{
{indent(self.a.macroed(), 4)}
}}
"""
@announce_yourself("generating code plain ahh style")
def plain(self) -> str:
return f"""{header}
{self.a.plain()}
"""
rs_code = RsAssetRoot(static).plain()
# generate
rs_code = "// generated with ./scripts/map_static.py\n" + str(
RsAssetModule(static, True)
)
out_rs.write_text(rs_code, encoding="utf-8")
print(f"written to {out_rs.relative_to(Path.cwd(), walk_up=True)}")