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#![allow(dead_code)]
use std::path::{Path, PathBuf};
use std::process::{Child, Command, Output};
use std::time::{Duration, Instant};
pub const READY_WAIT: Duration = Duration::from_secs(30);
pub const BIN_OVERRIDE: &str = "SOCIALWEB_MESHD_BIN";
pub fn meshd_bin() -> String {
match std::env::var(BIN_OVERRIDE) {
Ok(path) if !path.is_empty() => {
let absolute = std::fs::canonicalize(&path)
.unwrap_or_else(|err| panic!("{BIN_OVERRIDE}={path}: {err}"));
eprintln!("meshd under test: {}", absolute.display());
absolute.to_string_lossy().into_owned()
}
_ => env!("CARGO_BIN_EXE_socialweb-meshd").to_string(),
}
}
pub fn sudo(args: &[&str]) -> Output {
Command::new("sudo")
.arg("-n")
.args(args)
.output()
.expect("spawn sudo")
}
pub fn must(args: &[&str]) -> String {
let out = sudo(args);
assert!(
out.status.success(),
"sudo {} failed: {}{}",
args.join(" "),
String::from_utf8_lossy(&out.stdout),
String::from_utf8_lossy(&out.stderr)
);
String::from_utf8_lossy(&out.stdout).into_owned()
}
pub fn gate(name: &str) -> bool {
if std::env::var_os(name).is_none() {
eprintln!("skipped: set {name}=1 (needs sudo -n, ip netns and CAP_NET_ADMIN)");
return false;
}
assert!(
sudo(&["true"]).status.success(),
"{name} is set but sudo -n is not available"
);
true
}
pub fn scratch_dir(tag: &str) -> PathBuf {
let base = std::env::var_os("TMPDIR")
.map(PathBuf::from)
.unwrap_or_else(std::env::temp_dir);
let dir = base.join(format!("meshd-{tag}-{}", std::process::id()));
let _ = std::fs::remove_dir_all(&dir);
std::fs::create_dir_all(&dir).unwrap();
dir
}
pub fn identity(bin: &str, secret: &Path) -> (String, String) {
let out = Command::new(bin)
.args(["identity", "--secret-file"])
.arg(secret)
.output()
.expect("run identity");
assert!(
out.status.success(),
"identity: {}",
String::from_utf8_lossy(&out.stderr)
);
let value: serde_json::Value = serde_json::from_slice(&out.stdout).expect("identity json");
(
value["endpoint"].as_str().unwrap().to_string(),
value["did"].as_str().unwrap().to_string(),
)
}
pub fn stop_namespace_processes(ns: &str) {
let pids = sudo(&["ip", "netns", "pids", ns]);
for pid in String::from_utf8_lossy(&pids.stdout).split_whitespace() {
let _ = sudo(&["kill", "-TERM", pid]);
}
}
pub fn status(ns: &str) -> serde_json::Value {
let script =
"exec 3<>/dev/tcp/127.0.0.1/9469; printf 'GET /status HTTP/1.0\\r\\n\\r\\n' >&3; cat <&3";
let raw = must(&["ip", "netns", "exec", ns, "bash", "-c", script]);
let body = raw.split("\r\n\r\n").nth(1).expect("http body");
serde_json::from_str(body).expect("status json")
}
pub fn wait_for_log(child: &mut Child, log: &Path, needle: &str, within: Duration) -> String {
let deadline = Instant::now() + within;
loop {
let text = std::fs::read_to_string(log).unwrap_or_default();
if text.contains(needle) {
return text;
}
if let Ok(Some(status)) = child.try_wait() {
panic!("exited {status} before {needle:?}:\n{text}");
}
assert!(
Instant::now() < deadline,
"no {needle:?} within {within:?}:\n{text}"
);
std::thread::sleep(Duration::from_millis(200));
}
}
pub fn reap(child: &mut Child, within: Duration) {
let deadline = Instant::now() + within;
while Instant::now() < deadline {
if let Ok(Some(_)) = child.try_wait() {
return;
}
std::thread::sleep(Duration::from_millis(100));
}
let _ = child.kill();
let _ = child.wait();
}
pub fn wait_exit(child: &mut Child, within: Duration) -> i32 {
let deadline = Instant::now() + within;
loop {
if let Some(status) = child.try_wait().expect("wait") {
return status.code().unwrap_or(-1);
}
assert!(Instant::now() < deadline, "did not exit within {within:?}");
std::thread::sleep(Duration::from_millis(100));
}
}
pub fn eventually<F: FnMut() -> bool>(within: Duration, what: &str, mut check: F) {
let deadline = Instant::now() + within;
while !check() {
assert!(Instant::now() < deadline, "{what} not within {within:?}");
std::thread::sleep(Duration::from_millis(300));
}
}
