Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
16 changed files
with
112 additions
and
112 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,131 +1,131 @@ | ||
extern crate regex; | ||
|
||
use std::os::unix::prelude::*; | ||
use regex::Regex; | ||
use std::fs; | ||
use std::process::{Command, Child}; | ||
use std::os::unix::net::UnixListener; | ||
use std::io::Read; | ||
use regex::Regex; | ||
|
||
fn run_npm_command (cmd: &str, path: &str, uid: u32, gid: u32) -> Result<Child, std::io::Error> { | ||
Command::new("npm") | ||
.arg(cmd) | ||
.arg("--prefix") | ||
.arg(path) | ||
.uid(uid) | ||
.gid(gid) | ||
.spawn() | ||
use std::os::unix::net::UnixListener; | ||
use std::os::unix::prelude::*; | ||
use std::process::{Child, Command}; | ||
|
||
fn run_npm_command(cmd: &str, path: &str, uid: u32, gid: u32) -> Result<Child, std::io::Error> { | ||
Command::new("npm") | ||
.arg(cmd) | ||
.arg("--prefix") | ||
.arg(path) | ||
.uid(uid) | ||
.gid(gid) | ||
.spawn() | ||
} | ||
|
||
struct Subprocess { | ||
uid: u32, | ||
gid: u32, | ||
dir: String, | ||
process: Option<Child> | ||
uid: u32, | ||
gid: u32, | ||
dir: String, | ||
process: Option<Child>, | ||
} | ||
|
||
impl Subprocess { | ||
fn make_process (path: &str, uid: u32, gid: u32) -> Result<Child, std::io::Error> { | ||
run_npm_command("start", path, uid, gid) | ||
} | ||
|
||
fn new (sub: String) -> Result<Subprocess, std::io::Error> { | ||
let sub_metadata = fs::metadata(&sub)?; | ||
let uid = sub_metadata.uid(); | ||
let gid = sub_metadata.gid(); | ||
|
||
let mut s = Subprocess { | ||
uid, | ||
gid, | ||
dir: sub, | ||
process: None | ||
}; | ||
|
||
s.start()?; | ||
|
||
Ok(s) | ||
} | ||
|
||
fn get_file_path (&self, file: &str) -> std::path::PathBuf { | ||
std::path::Path::new(&format!("{}/{}", &self.dir, file)).to_owned() | ||
} | ||
|
||
fn start (&mut self) -> Result<(), std::io::Error> { | ||
fs::remove_file(self.get_file_path("sock")).unwrap_or_default(); | ||
if let Some(process) = &mut self.process { | ||
process.kill()?; | ||
} | ||
self.process = Some(Subprocess::make_process(&self.dir, self.uid, self.gid)?); | ||
Ok(()) | ||
} | ||
fn make_process(&self) -> Result<Child, std::io::Error> { | ||
run_npm_command( | ||
"start", | ||
self.get_file_path("application").to_str().unwrap(), | ||
self.uid, | ||
self.gid, | ||
) | ||
} | ||
|
||
fn new(sub: String) -> Result<Subprocess, std::io::Error> { | ||
let sub_metadata = fs::metadata(&sub)?; | ||
let uid = sub_metadata.uid(); | ||
let gid = sub_metadata.gid(); | ||
|
||
let mut s = Subprocess { | ||
uid, | ||
gid, | ||
dir: sub, | ||
process: None, | ||
}; | ||
|
||
s.start()?; | ||
|
||
Ok(s) | ||
} | ||
|
||
fn get_file_path(&self, file: &str) -> std::path::PathBuf { | ||
std::path::Path::new(&format!("{}/{}", &self.dir, file)).to_owned() | ||
} | ||
|
||
fn start(&mut self) -> Result<(), std::io::Error> { | ||
fs::remove_file(self.get_file_path("application/sock")).unwrap_or_default(); | ||
if let Some(process) = &mut self.process { | ||
process.kill()?; | ||
} | ||
self.process = Some(self.make_process()?); | ||
Ok(()) | ||
} | ||
} | ||
|
||
struct Msg<'a> { | ||
command: &'a str, | ||
sub: &'a str | ||
command: &'a str, | ||
sub: &'a str, | ||
} | ||
|
||
fn parse_msg (msg: &str) -> Option<Msg> { | ||
let msg_regex = Regex::new(r"(\S+) (\S+)").unwrap(); | ||
msg_regex.captures(msg).map(|capture| { | ||
let groups = (capture.get(1), capture.get(2)); | ||
match groups { | ||
(Some(command), Some(name)) => | ||
Some(Msg { | ||
command: command.as_str(), | ||
sub: name.as_str() | ||
}), | ||
_ => None | ||
} | ||
})? | ||
fn parse_msg(msg: &str) -> Option<Msg> { | ||
let msg_regex = Regex::new(r"(\S+) (\S+)").unwrap(); | ||
msg_regex.captures(msg).map(|capture| { | ||
let groups = (capture.get(1), capture.get(2)); | ||
match groups { | ||
(Some(command), Some(name)) => Some(Msg { | ||
command: command.as_str(), | ||
sub: name.as_str(), | ||
}), | ||
_ => None, | ||
} | ||
})? | ||
} | ||
|
||
fn main() -> Result<(), std::io::Error> { | ||
let subdirectories = fs::read_dir(".")?; | ||
|
||
let mut processes = std::collections::HashMap::new(); | ||
|
||
for sub in subdirectories { | ||
let sub = sub?; | ||
let path = sub.path(); | ||
let process = Subprocess::new(path.to_str().unwrap().to_string())?; | ||
if let Some(name) = path.file_name() { | ||
processes.insert(name.to_str().unwrap().to_string(), process); | ||
} | ||
} | ||
|
||
let sock_path = "./subsocket"; | ||
fs::remove_file(sock_path).unwrap_or_default(); | ||
let sock = UnixListener::bind(sock_path)?; | ||
for stream in sock.incoming() { | ||
let mut buf = vec![]; | ||
let count = stream?.read_to_end(&mut buf)?; | ||
println!("count: {:?}", count); | ||
let string = String::from_utf8(buf).unwrap(); | ||
let msg = parse_msg(string.as_str()); | ||
match msg { | ||
Some(msg) => { | ||
let sub = processes.get_mut(msg.sub); | ||
match sub { | ||
Some(sub) => { | ||
if msg.command == "restart" { | ||
sub.start()?; | ||
} else { | ||
println!("recieved unusual command: {}", msg.command) | ||
} | ||
}, | ||
None => { | ||
println!("recieved unusual person: {}", msg.sub) | ||
} | ||
} | ||
}, | ||
None => { | ||
println!( | ||
"recieved unusual message. message should be <command> <sub>. got: {}", | ||
string | ||
) | ||
} | ||
} | ||
} | ||
Ok(()) | ||
let subdirectories = fs::read_dir(".")?; | ||
|
||
let mut processes = std::collections::HashMap::new(); | ||
|
||
for sub in subdirectories { | ||
let sub = sub?; | ||
let path = sub.path(); | ||
let process = Subprocess::new(path.to_str().unwrap().to_string())?; | ||
if let Some(name) = path.file_name() { | ||
processes.insert(name.to_str().unwrap().to_string(), process); | ||
} | ||
} | ||
|
||
let sock_path = "./subsocket"; | ||
fs::remove_file(sock_path).unwrap_or_default(); | ||
let sock = UnixListener::bind(sock_path)?; | ||
for stream in sock.incoming() { | ||
let mut buf = vec![]; | ||
let count = stream?.read_to_end(&mut buf)?; | ||
println!("count: {:?}", count); | ||
let string = String::from_utf8(buf).unwrap(); | ||
let msg = parse_msg(string.as_str()); | ||
match msg { | ||
Some(msg) => { | ||
let sub = processes.get_mut(msg.sub); | ||
match sub { | ||
Some(sub) => { | ||
if msg.command == "restart" { | ||
sub.start()?; | ||
} else { | ||
println!("recieved unusual command: {}", msg.command) | ||
} | ||
} | ||
None => println!("recieved unusual person: {}", msg.sub), | ||
} | ||
} | ||
None => println!( | ||
"recieved unusual message. message should be <command> <sub>. got: {}", | ||
string | ||
), | ||
} | ||
} | ||
Ok(()) | ||
} |
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.