FDS/OS 1.0

2026-09-21 22:29:23 +08:00
commit 99bc3d15c5
430 changed files with 34876 additions and 0 deletions
@@ -0,0 +1,52 @@
+// Test-only static ARM client. Never installed in a production image.
+use clap::Parser;
+use std::{
+    io::{Read, Write},
+    os::unix::net::UnixStream,
+    process::{Command, ExitCode},
+    time::Duration,
+};
+#[derive(Parser)]
+#[command(about = "Exercise the cartridge socket with slow, oversize, or a JSON request")]
+struct Cli {
+    mode: String,
+}
+fn main() -> ExitCode {
+    let mode = Cli::parse().mode;
+    let socket = "/run/fds/control.sock";
+    let result = (|| -> std::io::Result<()> {
+        let mut stream = UnixStream::connect(socket)?;
+        stream.set_read_timeout(Some(Duration::from_secs(8)))?;
+        if mode == "slow" {
+            stream.write_all(b"{")?;
+            assert!(Command::new("fds").arg("bays").status()?.success());
+            println!("FDS_SLOW_CLIENT_OK");
+        } else if mode == "oversize" {
+            let _ = stream.write_all(&vec![b'x'; 65537]);
+            let mut bytes = Vec::new();
+            let read = stream.read_to_end(&mut bytes);
+            assert!(bytes.is_empty());
+            assert!(
+                read.is_ok() || read.unwrap_err().kind() == std::io::ErrorKind::ConnectionReset
+            );
+            println!("FDS_OVERSIZE_OK");
+        } else {
+            stream.write_all(mode.as_bytes())?;
+            stream.write_all(b"\n")?;
+            let mut text = String::new();
+            stream.take(65537).read_to_string(&mut text)?;
+            if text.is_empty() {
+                return Err(std::io::Error::other("peer rejected"));
+            }
+            println!("{text}");
+        }
+        Ok(())
+    })();
+    match result {
+        Ok(()) => ExitCode::SUCCESS,
+        Err(e) => {
+            eprintln!("test-client: {e}");
+            ExitCode::FAILURE
+        }
+    }
+}