Changed config & data structure

This commit is contained in:
Filip Znachor 2023-06-15 18:09:58 +02:00
parent d2efbe92ca
commit cf94b742e4
5 changed files with 80 additions and 65 deletions

23
conf.rs
View file

@ -1,4 +1,6 @@
use std::collections::HashMap;
use std::net::SocketAddr;
use std::sync::{Arc, Mutex};
use std::{fs::File, process::exit};
use std::io::prelude::*;
use serde::Deserialize;
@ -6,16 +8,16 @@ use lazy_static::lazy_static;
use serde_yaml::from_str;
lazy_static! {
pub static ref CONFIG: RootConf = load_config();
pub static ref CONFIG: Arc<Mutex<RootConf>> = Arc::new(Mutex::new(load()));
}
#[derive(Debug, Deserialize)]
#[derive(Debug, Deserialize, Clone)]
pub struct RootConf {
pub listen: SocketAddr,
pub proxy: Vec<ProxyConf>
pub proxy: HashMap<String, ProxyConf>
}
#[derive(Debug, Deserialize)]
#[derive(Debug, Deserialize, Clone)]
pub struct ProxyConf {
pub hosts: Vec<String>,
pub target: String,
@ -24,14 +26,14 @@ pub struct ProxyConf {
pub timeout: Option<u64>
}
#[derive(Debug, Deserialize)]
#[derive(Debug, Deserialize, Clone)]
pub struct SpawnConf {
pub command: String,
pub args: Option<Vec<String>>,
pub envs: Option<Vec<(String, String)>>
}
fn load_config() -> RootConf {
fn load() -> RootConf {
let file = File::open("config.yml");
if file.is_err() {
println!("[!] Config file was not found!"); exit(-1);
@ -44,4 +46,13 @@ fn load_config() -> RootConf {
Ok(conf) => conf,
Err(_) => {println!("[!] Unable to parse config!"); exit(0);}
}
}
pub fn reload() {
let conf: RootConf = load();
*CONFIG.lock().unwrap() = conf;
}
pub fn get() -> RootConf {
return CONFIG.lock().unwrap().clone();
}

View file

@ -2,14 +2,16 @@ listen: "[::]:3000"
proxy:
- hosts: [ "website.local.gd", "website-alt.local.gd" ]
socket: true
target: "./www.sock"
spawn:
command: "/usr/bin/node"
args: [ "./webserver/index.mjs" ]
envs: [ ["PORT", "www.sock"] ]
timeout: 10
web:
hosts: [ "website.local.gd", "website-alt.local.gd" ]
socket: true
target: "./www.sock"
spawn:
command: "/usr/bin/node"
args: [ "./webserver/index.mjs" ]
envs: [ ["PORT", "www.sock"] ]
timeout: 10
- hosts: [ "git.local.gd" ]
target: "http://192.168.0.3:80"
git:
hosts: [ "git.local.gd" ]
target: "http://192.168.0.3:80"

25
data.rs
View file

@ -1,15 +1,15 @@
use std::{sync::{Arc, Mutex}};
use std::{sync::{Arc, Mutex}, vec};
use lazy_static::lazy_static;
use tokio::process::Child;
use std::collections::HashMap;
use hyper::http::HeaderValue;
use crate::conf::{CONFIG, ProxyConf};
use crate::conf::{ProxyConf, self};
lazy_static! {
pub static ref HOST_MAP: HashMap<String, usize> = generate_host_map();
pub static ref SERVICES: Arc<Mutex<Vec<ServiceData>>> = Arc::new(Mutex::new(vec![]));
pub static ref HOST_MAP: HashMap<String, String> = generate_host_map();
pub static ref SERVICES: Arc<Mutex<HashMap<String, ServiceData>>> = Arc::new(Mutex::new(HashMap::from_iter(vec![])));
}
pub struct ServiceData {
@ -28,14 +28,15 @@ impl ServiceData {
}
}
pub fn get_proxy(host_index: Option<&usize>) -> Option<&ProxyConf> {
match host_index {
Some(i) => CONFIG.proxy.get(i.clone()),
pub fn get_proxy(name: Option<&String>) -> Option<ProxyConf> {
let c = conf::get();
match name {
Some(name) => c.proxy.get(name).cloned(),
None => None
}
}
pub fn get_proxy_index(host: Option<&HeaderValue>) -> Option<&usize> {
pub fn get_proxy_name(host: Option<&HeaderValue>) -> Option<&String> {
match host {
Some(host) => {
let host_parts: Vec<&str> = host.to_str().unwrap().split(":").collect();
@ -49,11 +50,11 @@ pub fn get_proxy_index(host: Option<&HeaderValue>) -> Option<&usize> {
}
}
pub fn generate_host_map() -> HashMap<String, usize> {
let mut hosts: Vec<(String, usize)> = vec![];
for (i, proxy) in CONFIG.proxy.iter().enumerate() {
pub fn generate_host_map() -> HashMap<String, String> {
let mut hosts: Vec<(String, String)> = vec![];
for (name, proxy) in conf::get().proxy.iter() {
for host in proxy.hosts.iter() {
hosts.push((host.to_string(), i));
hosts.push((host.to_string(), name.to_string()));
};
}
HashMap::from_iter(hosts)

16
main.rs
View file

@ -10,17 +10,17 @@ use tower::make::Shared;
use hyper::{service::service_fn, Body, Client, Request, Response, Server};
use crate::{conf::CONFIG, services::prepare_services};
use crate::services::prepare_services;
async fn run(req: Request<Body>) -> Result<Response<Body>, hyper::Error> {
let host = req.headers().get("host");
let host_index = data::get_proxy_index(host);
let proxy = data::get_proxy(host_index);
let name = data::get_proxy_name(host);
let proxy = data::get_proxy(name);
match proxy {
Some(p) => {
check_service(host_index.unwrap().clone(), p).await;
check_service(name.unwrap(), &p).await;
// Create new Request
let mut request_builder = Request::builder().method(req.method());
@ -66,13 +66,13 @@ async fn main() {
let make_service = Shared::new(service_fn(run));
let server = Server::bind(&CONFIG.listen).serve(make_service);
let server = Server::bind(&conf::get().listen).serve(make_service);
let host_count = HOST_MAP.len();
let service_count = CONFIG.proxy.len();
println!("odproxy is listening on {} with {} hosts and {} services", CONFIG.listen, host_count, service_count);
let service_count = conf::get().proxy.len();
println!("odproxy is listening on {} with {} hosts and {} services", conf::get().listen, host_count, service_count);
if let Err(e) = server.await {
println!("error: {}", e);
}
}
}

View file

@ -1,60 +1,60 @@
use std::{process::Stdio, time::{Duration, SystemTime, UNIX_EPOCH}, path::Path, io::Error, thread};
use tokio::{process::{Command, Child}, time::sleep, fs};
use crate::{data::{SERVICES, ServiceData}, conf::{ProxyConf, CONFIG}};
use crate::{data::{SERVICES, ServiceData}, conf::{ProxyConf, self}};
fn modify_service_data<F>(index: usize, modify_fn: F)
fn modify_service_data<F>(name: &String, modify_fn: F)
where F: FnOnce(&mut ServiceData)
{
let mut vec = SERVICES.lock().unwrap();
if let Some(service_data) = vec.get_mut(index) {
let mut hashmap = SERVICES.lock().unwrap();
if let Some(service_data) = hashmap.get_mut(name) {
modify_fn(service_data);
}
}
fn set_service_running(index: usize) {
modify_service_data(index, |s| {
fn set_service_running(name: &String) {
modify_service_data(name, |s| {
s.running = true;
});
}
fn set_service_last_active(index: usize) {
modify_service_data(index, |s| {
fn set_service_last_active(name: &String) {
modify_service_data(name, |s| {
s.last_active = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_secs();
});
}
fn is_service_running(index: usize) -> bool {
if let Some(service_data) = SERVICES.lock().unwrap().get(index) {
fn is_service_running(name: &String) -> bool {
if let Some(service_data) = SERVICES.lock().unwrap().get(name) {
service_data.running
} else {
false
}
}
pub async fn check_service(index: usize, proxy: &ProxyConf) {
pub async fn check_service(name: &String, proxy: &ProxyConf) {
if proxy.spawn.is_some() {
if proxy.socket.unwrap_or(false) && SERVICES.lock().unwrap().get(index).unwrap().child.is_none() {
if proxy.socket.unwrap_or(false) && SERVICES.lock().unwrap().get(name).unwrap().child.is_none() {
let path = Path::new(&proxy.target);
if path.exists() {
fs::remove_file(path).await.unwrap();
}
}
start_service(index, proxy);
if !is_service_running(index) {
wait_for_service(proxy).await;
set_service_running(index);
start_service(name, &proxy);
if !is_service_running(name) {
wait_for_service(&proxy).await;
set_service_running(name);
}
set_service_last_active(index);
set_service_last_active(name);
}
}
fn start_service(index: usize, proxy: &ProxyConf) -> bool {
fn start_service(name: &String, proxy: &ProxyConf) -> bool {
let mut status = false;
let spawn = proxy.spawn.as_ref().unwrap();
modify_service_data(index, |s| {
modify_service_data(name, |s| {
if s.child.is_some() {
return;
}
@ -73,8 +73,9 @@ fn start_service(index: usize, proxy: &ProxyConf) -> bool {
return status;
}
fn stop_service(index: usize) {
modify_service_data(index, |s| {
fn stop_service(name: &String) {
println!("Stopped");
modify_service_data(name, |s| {
match s.child.as_mut() {
Some(c) => {
c.start_kill().unwrap();
@ -94,24 +95,24 @@ async fn wait_for_service(proxy: &ProxyConf) {
}
pub async fn prepare_services() {
for i in 0..CONFIG.proxy.len() {
let mut vec = SERVICES.lock().unwrap();
vec.insert(i, ServiceData::new());
let mut hashmap = SERVICES.lock().unwrap();
for proxy in conf::get().proxy.into_iter() {
hashmap.insert(proxy.0, ServiceData::new());
}
let interval_duration = Duration::from_secs(10);
thread::spawn(move || {
loop {
let now = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_secs();
for (i, proxy) in CONFIG.proxy.iter().enumerate() {
for (name, proxy) in conf::get().proxy.iter() {
match proxy.timeout {
Some(t) => {
{
let vec = SERVICES.lock().unwrap();
let s = vec.get(i).unwrap();
let hashmap = SERVICES.lock().unwrap();
let s = hashmap.get(name).unwrap();
if !s.running || s.last_active+t > now {continue;}
}
stop_service(i);
stop_service(name);
},
None => {}
}