Initial commit
This commit is contained in:
commit
e0b403ef7a
GPG Key ID:
7B5F6AFBEC7EE78E
5
.cargo/config.toml
Normal file
5
.cargo/config.toml
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@ -0,0 +1,5 @@
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[build]
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target = "x86_64-unknown-mikros"
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[install]
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||||||
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root = "../os_build/sysroot"
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||||||
1
.gitignore
vendored
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1
.gitignore
vendored
Normal file
@ -0,0 +1 @@
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/target
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392
Cargo.lock
generated
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392
Cargo.lock
generated
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@ -0,0 +1,392 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||||
12
Cargo.toml
Normal file
12
Cargo.toml
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
[package]
|
||||||
|
name = "pty_server"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
dev_driver_rpc = { version = "0.1.0", path = "../dev_driver_rpc" }
|
||||||
|
devfs_rpc = { version = "0.1.0", path = "../devfs/devfs_rpc" }
|
||||||
|
file_rpc = { version = "0.1.0", path = "../file_rpc" }
|
||||||
|
parking_lot = "0.12.3"
|
||||||
|
slab = "0.4.9"
|
||||||
|
syslog_rpc = { version = "0.1.0", path = "../syslog/syslog_rpc" }
|
||||||
6
pty_rpc/Cargo.toml
Normal file
6
pty_rpc/Cargo.toml
Normal file
@ -0,0 +1,6 @@
|
|||||||
|
[package]
|
||||||
|
name = "pty_rpc"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
3
pty_rpc/src/main.rs
Normal file
3
pty_rpc/src/main.rs
Normal file
@ -0,0 +1,3 @@
|
|||||||
|
fn main() {
|
||||||
|
println!("Hello, world!");
|
||||||
|
}
|
||||||
2
rust-toolchain.toml
Normal file
2
rust-toolchain.toml
Normal file
@ -0,0 +1,2 @@
|
|||||||
|
[toolchain]
|
||||||
|
channel = "dev-x86_64-unknown-mikros"
|
||||||
149
src/main.rs
Normal file
149
src/main.rs
Normal file
@ -0,0 +1,149 @@
|
|||||||
|
use std::{
|
||||||
|
borrow::Cow,
|
||||||
|
collections::HashMap,
|
||||||
|
os::mikros::{ipc, syscalls},
|
||||||
|
path::{Path, PathBuf},
|
||||||
|
sync::Arc,
|
||||||
|
};
|
||||||
|
|
||||||
|
use parking_lot::{Mutex, RwLock};
|
||||||
|
use slab::Slab;
|
||||||
|
|
||||||
|
struct Pty {
|
||||||
|
input_buffer: Mutex<Vec<u8>>,
|
||||||
|
output_buffer: Mutex<Vec<u8>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Pty {
|
||||||
|
fn new() -> Self {
|
||||||
|
Pty {
|
||||||
|
input_buffer: Mutex::new(Vec::new()),
|
||||||
|
output_buffer: Mutex::new(Vec::new()),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn read_master(&self, len: usize) -> Result<Vec<u8>, ()> {
|
||||||
|
let mut output_buffer = self.output_buffer.lock();
|
||||||
|
let buf_len = output_buffer.len();
|
||||||
|
let rem_buf = output_buffer.split_off(usize::min(buf_len, len));
|
||||||
|
let buf = std::mem::replace(&mut *output_buffer, rem_buf);
|
||||||
|
Ok(buf)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn write_master(&self, data: &[u8]) -> Result<(), ()> {
|
||||||
|
let mut input_buffer = self.input_buffer.lock();
|
||||||
|
let mut output_buffer = self.output_buffer.lock();
|
||||||
|
for &byte in data {
|
||||||
|
output_buffer.push(byte);
|
||||||
|
if byte == 8 {
|
||||||
|
if input_buffer.last() != Some(&b'\n') {
|
||||||
|
input_buffer.pop();
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
input_buffer.push(byte);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn read_slave(&self, len: usize) -> Result<Vec<u8>, ()> {
|
||||||
|
while !self.input_buffer.lock().contains(&b'\n') {
|
||||||
|
ipc::process_messages();
|
||||||
|
}
|
||||||
|
let mut input_buffer = self.input_buffer.lock();
|
||||||
|
let Some(line_end) = input_buffer.iter().position(|&x| x == b'\n') else {
|
||||||
|
return Ok(vec![]);
|
||||||
|
};
|
||||||
|
let rem_buf = input_buffer.split_off(usize::min(len, line_end + 1));
|
||||||
|
let buf = std::mem::replace(&mut *input_buffer, rem_buf);
|
||||||
|
Ok(buf)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn write_slave(&self, data: &[u8]) -> Result<(), ()> {
|
||||||
|
self.output_buffer.lock().extend(data);
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Clone)]
|
||||||
|
struct Serv {
|
||||||
|
ptys: Arc<RwLock<Slab<Pty>>>,
|
||||||
|
slave_map: Arc<RwLock<HashMap<PathBuf, usize>>>,
|
||||||
|
devfs_client: devfs_rpc::Client,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl dev_driver_rpc::Server for Serv {
|
||||||
|
fn open(&self, path: &Path) -> Result<u64, ()> {
|
||||||
|
if path == Path::new("ptmx") {
|
||||||
|
let pty = Pty::new();
|
||||||
|
let idx = self.ptys.write().insert(pty);
|
||||||
|
if idx > usize::MAX / 2 {
|
||||||
|
panic!("PTY index too big to map to a slave FD")
|
||||||
|
}
|
||||||
|
let slave_name = format!("pts{}", idx);
|
||||||
|
let mut slave_path = PathBuf::new();
|
||||||
|
self.devfs_client.register_dev(&slave_name).unwrap();
|
||||||
|
slave_path.push(Path::new(&slave_name));
|
||||||
|
self.slave_map.write().insert(slave_path, idx);
|
||||||
|
Ok(idx as u64)
|
||||||
|
} else if let Some(&idx) = self.slave_map.read().get(path) {
|
||||||
|
Ok((idx + usize::MAX / 2) as u64)
|
||||||
|
} else {
|
||||||
|
Err(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl file_rpc::Server for Serv {
|
||||||
|
fn read(&self, fd: u64, _pos: u64, len: usize) -> Result<Cow<'_, [u8]>, ()> {
|
||||||
|
if fd as usize >= usize::MAX / 2 {
|
||||||
|
let ptys = self.ptys.read();
|
||||||
|
let pty = &ptys[fd as usize - usize::MAX / 2];
|
||||||
|
pty.read_slave(len).map(|x| x.into())
|
||||||
|
} else {
|
||||||
|
let ptys = self.ptys.read();
|
||||||
|
let pty = &ptys[fd as usize];
|
||||||
|
pty.read_master(len).map(|x| x.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn write(&self, fd: u64, _pos: u64, data: &[u8]) -> Result<(), ()> {
|
||||||
|
if fd as usize >= usize::MAX / 2 {
|
||||||
|
let ptys = self.ptys.read();
|
||||||
|
let pty = &ptys[fd as usize - usize::MAX / 2];
|
||||||
|
pty.write_slave(data)
|
||||||
|
} else {
|
||||||
|
let ptys = self.ptys.read();
|
||||||
|
let pty = &ptys[fd as usize];
|
||||||
|
pty.write_master(data)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn close(&self, _fd: u64) {}
|
||||||
|
|
||||||
|
fn size(&self, _fd: u64) -> Option<u64> {
|
||||||
|
None
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let devfs_pid;
|
||||||
|
loop {
|
||||||
|
if let Some(pid) = syscalls::try_get_registered(1) {
|
||||||
|
devfs_pid = pid;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
let devfs_client = devfs_rpc::Client::new(devfs_pid);
|
||||||
|
let serv = Serv {
|
||||||
|
ptys: Arc::new(RwLock::new(Slab::new())),
|
||||||
|
slave_map: Arc::new(RwLock::new(HashMap::new())),
|
||||||
|
devfs_client,
|
||||||
|
};
|
||||||
|
dev_driver_rpc::register_server(Box::new(serv.clone()));
|
||||||
|
file_rpc::register_server(Box::new(serv.clone()));
|
||||||
|
devfs_client.register_dev("ptmx").unwrap();
|
||||||
|
loop {
|
||||||
|
ipc::process_messages()
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user