Write it all myself
This commit is contained in:
parent
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GPG key ID:
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3 changed files with 103 additions and 505 deletions
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|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-build"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "27f51fb4c64f8b770a823c043c7fad036323e1c48f55287b7bbb7987b2fcdf3b"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fde1bb55ae4ce76a597a8566d82c57432bc69c039449d61572a7a353da28f68c"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1513e8d48365a78adad7322fd6b5e4c4e99d92a69db8df2d435b25b1f1f286d4"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "60587c0265d2b842298f5858e1a5d79d146f9ee0c37be5782e92a6eb5e1d7a83"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "224fe0e0ffff5d2ea6a29f82026c8f43870038a0ffc247aa95a52b47df381ac4"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "62fc52a0f50a088de499712cbc012df7ebd94e2d6eb948435449d76a6287e7ad"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2093925509d91ea3d69bcd20238f4c2ecdb1a29d3c281d026a09705d0dd35f3d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b6ade45bc8bf02ae2aa34a9d54ba660a1a58204da34ba793c00d83ca3730b5f1"
|
||||
|
||||
[[package]]
|
||||
name = "ws2_32-sys"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
|
||||
dependencies = [
|
||||
"winapi 0.2.8",
|
||||
"winapi-build",
|
||||
]
|
||||
|
|
|
|||
|
|
@ -6,6 +6,4 @@ edition = "2021"
|
|||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
ipc-channel = "0.16.1"
|
||||
libc = "0.2.147"
|
||||
nix = "0.26.2"
|
||||
rand = "0.8.5"
|
||||
|
|
|
|||
142
src/main.rs
142
src/main.rs
|
|
@ -1,55 +1,97 @@
|
|||
use ipc_channel::ipc::*;
|
||||
use ipc_channel::ipc;
|
||||
use std::io::Error;
|
||||
use rand::{thread_rng, RngCore};
|
||||
use std::env;
|
||||
use std::fs::remove_file;
|
||||
use std::io::{BufRead, BufReader, Write};
|
||||
use std::os::unix::net::{UnixListener, UnixStream};
|
||||
use std::path::{Path, PathBuf};
|
||||
use std::process::Command;
|
||||
use std::thread;
|
||||
use std::time::{SystemTime, UNIX_EPOCH};
|
||||
|
||||
// I'm not actually sure invoking this is indeed unsafe -- but better safe than sorry...
|
||||
pub unsafe fn fork<F: FnOnce()>(child_func: F) -> libc::pid_t {
|
||||
match libc::fork() {
|
||||
-1 => panic!("Fork failed: {}", Error::last_os_error()),
|
||||
0 => {
|
||||
child_func();
|
||||
libc::exit(0);
|
||||
},
|
||||
pid => pid,
|
||||
const ENV_VAR: &str = "IPC_SOCK_PATH";
|
||||
|
||||
struct SocketServer {
|
||||
socket_path: PathBuf,
|
||||
listener: UnixListener,
|
||||
}
|
||||
|
||||
impl SocketServer {
|
||||
fn new() -> Self {
|
||||
let socket_path = create_socket();
|
||||
|
||||
SocketServer {
|
||||
socket_path: socket_path.clone(),
|
||||
listener: UnixListener::bind(&socket_path).unwrap(),
|
||||
}
|
||||
}
|
||||
|
||||
fn run(&self) {
|
||||
println!("Listening on {}", self.socket_path.display());
|
||||
|
||||
for stream in self.listener.incoming() {
|
||||
println!("New connection");
|
||||
|
||||
match stream {
|
||||
Ok(stream) => {
|
||||
thread::spawn(|| handle_client(stream));
|
||||
}
|
||||
Err(err) => {
|
||||
println!("Connection failed: {:?}", err);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn path(&self) -> &Path {
|
||||
&self.socket_path
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
println!("Hello, world!");
|
||||
|
||||
// server0 = Send server1 to server
|
||||
// server1 = server -> client
|
||||
// server2 = client -> server
|
||||
|
||||
let (server0, server0_name) = IpcOneShotServer::new().unwrap();
|
||||
let (server2, server2_name) = IpcOneShotServer::new().unwrap();
|
||||
|
||||
dbg!(&server0_name);
|
||||
dbg!(&server2_name);
|
||||
|
||||
let child_pid = unsafe {
|
||||
fork(|| {
|
||||
let (tx1, rx1): (IpcSender<String>, IpcReceiver<String>) = ipc::channel().unwrap();
|
||||
|
||||
// Send Sender back to server so it can talk to us
|
||||
let tx0 = IpcSender::connect(server0_name).unwrap();
|
||||
tx0.send(tx1).unwrap();
|
||||
|
||||
// Wait for data from server
|
||||
let input = rx1.recv().unwrap();
|
||||
println!("{}", input);
|
||||
|
||||
// Send data back to server
|
||||
let tx2: IpcSender<String> = IpcSender::connect(server2_name).unwrap();
|
||||
tx2.send(String::from("Foo")).unwrap();
|
||||
})
|
||||
};
|
||||
|
||||
// Receive the sender from the client so we can send it data
|
||||
let (_, tx1): (_, IpcSender<String>) = server0.accept().unwrap();
|
||||
tx1.send(String::from("Bar")).unwrap();
|
||||
|
||||
// Receive data from client
|
||||
let (_, received_person): (_, String) = server2.accept().unwrap();
|
||||
println!("{}", received_person);
|
||||
impl Drop for SocketServer {
|
||||
fn drop(&mut self) {
|
||||
remove_file(&self.socket_path).unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
fn create_socket() -> PathBuf {
|
||||
let mut temp_dir = env::temp_dir();
|
||||
let now = SystemTime::now();
|
||||
|
||||
let seed = thread_rng().next_u32();
|
||||
|
||||
let secs = now.duration_since(UNIX_EPOCH).unwrap().as_secs();
|
||||
temp_dir.push(&format!("rust-ipc-{secs}-{seed}.sock"));
|
||||
|
||||
temp_dir
|
||||
}
|
||||
|
||||
fn handle_client(stream: UnixStream) {
|
||||
let reader = BufReader::new(stream);
|
||||
|
||||
for line in reader.lines() {
|
||||
dbg!(line.unwrap());
|
||||
}
|
||||
|
||||
println!("Closed - killing thread");
|
||||
}
|
||||
|
||||
fn client(path: String) {
|
||||
let mut stream = UnixStream::connect(path).unwrap();
|
||||
|
||||
stream.write_all(b"Hello World").unwrap();
|
||||
}
|
||||
|
||||
fn main() {
|
||||
if let Ok(path) = env::var(ENV_VAR) {
|
||||
client(path);
|
||||
} else {
|
||||
let server = SocketServer::new();
|
||||
|
||||
let _child = Command::new(env::current_exe().unwrap())
|
||||
.env(ENV_VAR, server.path())
|
||||
.spawn()
|
||||
.unwrap();
|
||||
|
||||
server.run();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue