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Ara Sadoyan
2025-02-08 19:35:44 +01:00
parent cb3ff26de7
commit 79d952d30e
6 changed files with 91 additions and 67 deletions
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100
src/web/proxyhttp.rs
View File

@@ -1,3 +1,4 @@
use crate::utils::compare;
use async_trait::async_trait;
use dashmap::DashMap;
use log::{info, warn};
@@ -9,7 +10,9 @@ use pingora_http::{RequestHeader, ResponseHeader};
use pingora_proxy::{ProxyHttp, Session};
use std::any::type_name;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Arc;
use std::time::Duration;
use tokio::sync::RwLock;
use tokio::time::interval;
#[allow(dead_code)]
@@ -18,80 +21,85 @@ pub fn typeoff<T>(_: T) {
println!("{:?}", to);
}
#[allow(dead_code)]
pub struct LB {
pub upstreams_map: DashMap<String, (Vec<(String, u16)>, AtomicUsize)>,
pub upstreams_map: Arc<RwLock<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>>,
}
pub struct BGService {
pub upstreams_map: Arc<RwLock<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>>,
}
pub struct BGService;
#[async_trait]
impl BackgroundService for BGService {
async fn start(&self, mut shutdown: ShutdownWatch) {
println!("Starting example background service");
let mut period = interval(Duration::from_secs(1));
let mut period = interval(Duration::from_secs(10));
loop {
tokio::select! {
_ = shutdown.changed() => {
// shutdown
break;
}
_ = period.tick() => {
println!("= = = = = = = = = = = = = = = = = = = = = = = = = =")
let map_write = self.upstreams_map.write().await;
let newmap = discover();
if compare::dashmaps(&map_write, &newmap) {
println!("DashMaps are equal. Chilling out.");
} else {
println!("DashMaps are different. Syncing !!!!!");
for (k,v) in newmap {
println!("{} -> {:?}", k, v);
map_write.insert(k,v);
}
}
drop(map_write); // Important: Release the lock
}
}
}
}
}
fn discover() -> DashMap<String, (Vec<(String, u16)>, AtomicUsize)> {
let upstreams_map: DashMap<String, (Vec<(String, u16)>, AtomicUsize)> = DashMap::new();
let mut toreturn = vec![];
toreturn.push(("192.168.1.1".to_string(), 8000.to_owned()));
toreturn.push(("192.168.1.10".to_string(), 8000.to_owned()));
toreturn.push(("127.0.0.1".to_string(), 8000.to_owned()));
toreturn.push(("127.0.0.2".to_string(), 8000.to_owned()));
toreturn.push(("127.0.0.3".to_string(), 8000.to_owned()));
toreturn.push(("127.0.0.4".to_string(), 8000.to_owned()));
toreturn.push(("127.0.0.5".to_string(), 8000.to_owned()));
toreturn.push(("127.0.0.6".to_string(), 8000.to_owned()));
upstreams_map.insert("myip.netangels.net".to_string(), (toreturn, AtomicUsize::new(0)));
let mut toreturn = vec![];
toreturn.push(("192.168.1.1".to_string(), 8000.to_owned()));
toreturn.push(("192.168.1.10".to_string(), 8000.to_owned()));
upstreams_map.insert("polo.netangels.net".to_string(), (toreturn, AtomicUsize::new(0)));
let mut toreturn = vec![];
toreturn.push(("192.168.1.20".to_string(), 8000.to_owned()));
upstreams_map.insert("glop.netangels.net".to_string(), (toreturn, AtomicUsize::new(0)));
upstreams_map
}
#[async_trait]
pub trait GetHost {
async fn get_host(&self, peer: &str) -> Option<(String, u16)>;
fn set_host(&mut self, peer: &str, host: &str, port: u16);
fn discover_hosts(&mut self);
}
#[async_trait]
impl GetHost for LB {
async fn get_host(&self, peer: &str) -> Option<(String, u16)> {
let entry = self.upstreams_map.get(peer)?;
let (servers, index) = entry.value();
let map_read = self.upstreams_map.read().await;
let x = if let Some(entry) = map_read.get(peer) {
let (servers, index) = entry.value(); // No clone here
if servers.is_empty() {
return None;
}
let idx = index.fetch_add(1, Ordering::Relaxed) % servers.len();
println!("{} {:?} => len: {}, idx: {}", peer, servers[idx], servers.len(), idx);
Some(servers[idx].clone())
}
fn set_host(&mut self, peer: &str, host: &str, port: u16) {
let exists = self.upstreams_map.get(peer);
let mut toreturn = vec![];
match exists {
Some(e) => {
let (ko, _) = e.value();
let new_value = vec![(host.to_string(), port)];
for (k, v) in ko.clone().iter() {
toreturn.push((k.to_string(), v.to_owned()));
}
toreturn.push(new_value[0].clone());
if servers.is_empty() {
return None;
}
None => {
toreturn.push((host.to_string(), port));
}
}
println!(" ==> Updating peer list: name => {} | value => {:?}", peer.to_string(), toreturn);
self.upstreams_map.insert(peer.to_string(), (toreturn, AtomicUsize::new(0)));
}
fn discover_hosts(&mut self) {
self.set_host("myip.netangels.net", "192.168.1.1", 8000);
self.set_host("myip.netangels.net", "127.0.0.1", 8000);
self.set_host("myip.netangels.net", "127.0.0.2", 8000);
self.set_host("polo.netangels.net", "192.168.1.1", 8000);
self.set_host("polo.netangels.net", "192.168.1.10", 8000);
self.set_host("glop.netangels.net", "192.168.1.20", 8000);
let idx = index.fetch_add(1, Ordering::Relaxed) % servers.len();
println!("{} {:?} => len: {}, idx: {}", peer, servers[idx], servers.len(), idx);
Some(servers[idx].clone()) // Clone the server address
} else {
None
};
x
}
}

31
src/web/start.rs
View File

@@ -1,8 +1,11 @@
use crate::web::proxyhttp::{BGService, GetHost, LB};
use crate::web::proxyhttp::{BGService, LB};
use dashmap::DashMap;
use pingora_core::prelude::background_service;
use pingora_core::server::Server;
use std::sync::atomic::AtomicUsize;
use std::sync::Arc;
use tokio::sync::RwLock;
/*
pub fn run1() {
let mut upstreams = LoadBalancer::try_from_iter(vec!["192.168.1.10:8000", "192.168.1.1:8000", "127.0.0.1:8000"]).unwrap();
@@ -31,27 +34,19 @@ pub fn run() {
let mut server = Server::new(None).unwrap();
server.bootstrap();
// let backends = Backends::new(Box::new(SD));
// let load_balancer = LoadBalancer::from_backends(backends);
// load_balancer.set_health_check(TcpHealthCheck::new());
// load_balancer.health_check_frequency = Some(Duration::from_secs(1));
// load_balancer.update_frequency = Some(Duration::from_secs(1));
// let background = background_service("load balancer", load_balancer);
let upstreams_map: DashMap<String, (Vec<(String, u16)>, AtomicUsize)> = DashMap::new();
let config = Arc::new(RwLock::new(upstreams_map)); // Wrap in Arc<RwLock<...>>
let mut ll = LB { upstreams_map };
let lb = LB { upstreams_map: config.clone() }; // Share the Arc<RwLock<...>>
let bg_service = BGService { upstreams_map: config.clone() }; // Share the Arc<RwLock<...>>
let bg_service = background_service("bgsrvc", BGService {});
let background = background_service("load balancer", ll.discover_hosts());
background.task();
let bg_srvc = background_service("bgsrvc", bg_service);
bg_srvc.task();
let mut lb = pingora_proxy::http_proxy_service(&server.configuration, ll);
lb.add_tcp("0.0.0.0:6193");
server.add_service(lb);
server.add_service(bg_service);
let mut proxy = pingora_proxy::http_proxy_service(&server.configuration, lb);
proxy.add_tcp("0.0.0.0:6193");
server.add_service(proxy);
server.add_service(bg_srvc);
server.run_forever();
}