Add basic shell
This commit is contained in:
parent
4844301a08
commit
e36844be47
GPG Key ID:
CA239FC6934E6F3A
323
Cargo.lock
generated
323
Cargo.lock
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@ -2,6 +2,329 @@
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# It is not intended for manual editing.
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# It is not intended for manual editing.
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@ -4,3 +4,5 @@ version = "0.1.0"
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edition = "2021"
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edition = "2021"
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[dependencies]
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[dependencies]
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vfs_rpc = { version = "0.1.0", path = "../vfs/vfs_rpc" }
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|||||||
94
src/main.rs
94
src/main.rs
@ -1,8 +1,94 @@
|
|||||||
use std::io;
|
use std::{
|
||||||
|
io::{self, Write},
|
||||||
|
os::mikros::syscalls,
|
||||||
|
path::Path,
|
||||||
|
};
|
||||||
|
|
||||||
fn main() {
|
fn main() {
|
||||||
for line in io::stdin().lines() {
|
let vfs_pid = loop {
|
||||||
let line = line.unwrap();
|
if let Some(pid) = syscalls::try_get_registered(0) {
|
||||||
println!("Got line on PTS: {:?}", line);
|
break pid;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
let vfs_client = vfs_rpc::Client::new(vfs_pid);
|
||||||
|
|
||||||
|
let mut line = String::new();
|
||||||
|
|
||||||
|
let cwd = Path::new("/").to_owned();
|
||||||
|
|
||||||
|
loop {
|
||||||
|
print!(
|
||||||
|
"[root@mikros-dev {}]$ ",
|
||||||
|
cwd.components()
|
||||||
|
.last()
|
||||||
|
.unwrap()
|
||||||
|
.as_os_str()
|
||||||
|
.to_string_lossy()
|
||||||
|
);
|
||||||
|
io::stdout().lock().flush().unwrap();
|
||||||
|
line.clear();
|
||||||
|
io::stdin().read_line(&mut line).unwrap();
|
||||||
|
let line = line.trim();
|
||||||
|
if line.is_empty() {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
let cmd = line.split(' ').collect::<Vec<_>>();
|
||||||
|
match cmd[0] {
|
||||||
|
"pwd" => println!("{}", cwd.to_string_lossy()),
|
||||||
|
"ls" => {
|
||||||
|
let mut path = if cmd.len() > 1 {
|
||||||
|
Path::new(cmd[1]).to_owned()
|
||||||
|
} else {
|
||||||
|
cwd.clone()
|
||||||
|
};
|
||||||
|
if path.is_relative() {
|
||||||
|
let mut abs_path = cwd.clone();
|
||||||
|
abs_path.push(path);
|
||||||
|
path = abs_path;
|
||||||
|
}
|
||||||
|
let Ok((fs_pid, dir_fd)) = vfs_client.open_dir(&path) else {
|
||||||
|
println!("psh: {}: failed to open", path.to_string_lossy());
|
||||||
|
continue;
|
||||||
|
};
|
||||||
|
let fs_client = dir_rpc::Client::new(fs_pid);
|
||||||
|
while let Some(entry) = fs_client.next_entry(dir_fd).unwrap() {
|
||||||
|
println!("{}", entry);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
"cat" => {
|
||||||
|
if cmd.len() < 2 {
|
||||||
|
println!("Usage: cat <file>");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
let mut path = Path::new(cmd[1]).to_owned();
|
||||||
|
if path.is_relative() {
|
||||||
|
let mut abs_path = cwd.clone();
|
||||||
|
abs_path.push(path);
|
||||||
|
path = abs_path;
|
||||||
|
}
|
||||||
|
let Ok(contents) = std::fs::read(&path) else {
|
||||||
|
println!("psh: {}: failed to read", path.to_string_lossy());
|
||||||
|
continue;
|
||||||
|
};
|
||||||
|
io::stdout().lock().write_all(&contents).unwrap();
|
||||||
|
if let Some(&last_byte) = contents.last() {
|
||||||
|
if last_byte != b'\n' {
|
||||||
|
println!("%");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
"exit" => {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
"help" => {
|
||||||
|
println!("Commands:");
|
||||||
|
println!("pwd");
|
||||||
|
println!("ls");
|
||||||
|
println!("cat");
|
||||||
|
println!("exit");
|
||||||
|
println!("help");
|
||||||
|
}
|
||||||
|
_ => println!("psh: command not found: {}", cmd[0]),
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user