From 5db6a0db8595db38578bddff6a997565ff649fb7 Mon Sep 17 00:00:00 2001 From: pjht Date: Sun, 24 Nov 2024 09:01:11 -0600 Subject: [PATCH] Initial commit --- .cargo/config.toml | 5 + .gitignore | 1 + Cargo.lock | 496 ++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 19 ++ rust-toolchain.toml | 2 + src/bin/cat.rs | 32 +++ src/bin/ls.rs | 19 ++ src/bin/ps.rs | 30 +++ src/bin/touch.rs | 14 ++ 9 files changed, 618 insertions(+) create mode 100644 .cargo/config.toml create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 rust-toolchain.toml create mode 100644 src/bin/cat.rs create mode 100644 src/bin/ls.rs create mode 100644 src/bin/ps.rs create mode 100644 src/bin/touch.rs diff --git a/.cargo/config.toml b/.cargo/config.toml new file mode 100644 index 0000000..bec4b7a --- /dev/null +++ b/.cargo/config.toml @@ -0,0 +1,5 @@ +[build] +target = "x86_64-unknown-mikros" + +[install] +root = "../os_build/sysroot" diff --git a/.gitignore 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index 0000000..748f6ca --- /dev/null +++ b/src/bin/cat.rs @@ -0,0 +1,32 @@ +use std::{ + io::{self, Read, Write}, + path::PathBuf, +}; + +use clap::Parser; + +#[derive(Parser, Debug)] +struct Cat { + files: Option>, +} + +fn main() -> anyhow::Result<()> { + let cmd = Cat::parse(); + let files = cmd.files.unwrap_or(vec![PathBuf::from("-")]); + for file in files { + if file.as_os_str() == "-" { + loop { + let mut buf = [0; 4096]; + let len = io::stdin().lock().read(&mut buf)?; + if len == 0 { + break; + } + io::stdout().lock().write_all(&buf[0..len])?; + } + } else { + let contents = std::fs::read(&file)?; + io::stdout().lock().write_all(&contents)?; + } + } + Ok(()) +} diff --git a/src/bin/ls.rs b/src/bin/ls.rs new file mode 100644 index 0000000..0395185 --- /dev/null +++ b/src/bin/ls.rs @@ -0,0 +1,19 @@ +use std::{env, path::PathBuf}; + +use clap::Parser; + +#[derive(Parser, Debug)] +struct Ls { + path: Option, +} + +fn main() -> anyhow::Result<()> { + let cmd = Ls::parse(); + let path = cmd.path.clone().unwrap_or(env::current_dir()?); + let dir = std::fs::read_dir(&path)?; + for entry in dir { + let entry = entry.unwrap(); + println!("{}", entry.file_name().to_string_lossy()); + } + Ok(()) +} diff --git a/src/bin/ps.rs b/src/bin/ps.rs new file mode 100644 index 0000000..d432319 --- /dev/null +++ b/src/bin/ps.rs @@ -0,0 +1,30 @@ +use std::os::mikros::syscalls; + +use itertools::Itertools; +use proc_man_rpc::Process; + +fn main() { + let proc_man_pid = syscalls::try_get_registered(3).unwrap(); + let proc_man_client = proc_man_rpc::Client::new(proc_man_pid); + let processes = proc_man_client.get_processes(); + for process in processes.iter().filter(|proc| proc.parent.is_none()) { + print_proc_tree(process.pid, 0, &processes); + } +} + +fn print_proc_tree(pid: u64, level: usize, processes: &[Process]) { + let process = &processes[pid as usize]; + println!( + "{}{}: {}", + " ".repeat(level), + process.pid, + process + .cli_args + .iter() + .map(|arg| arg.to_string_lossy().into_owned()) + .join(" ") + ); + for &child in &process.children { + print_proc_tree(child, level + 1, processes); + } +} diff --git a/src/bin/touch.rs b/src/bin/touch.rs new file mode 100644 index 0000000..71ea30e --- /dev/null +++ b/src/bin/touch.rs @@ -0,0 +1,14 @@ +use std::{fs::File, path::PathBuf}; + +use clap::Parser; + +#[derive(Parser, Debug)] +struct Touch { + path: PathBuf, +} + +fn main() -> anyhow::Result<()> { + let cmd = Touch::parse(); + File::create(&cmd.path)?; + Ok(()) +}