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Extend proxy with IP rotation about default port #34

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Merged
lukasz-wal merged 1 commit into from
Dec 11, 2025
Merged

Extend proxy with IP rotation about default port #34

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7 changes: 6 additions & 1 deletion url_finder/src/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,8 @@ pub struct Config {
pub proxy_url: Option<String>,
pub proxy_user: Option<String>,
pub proxy_password: Option<String>,
pub proxy_ip_count: Option<usize>,
pub proxy_ip_count: Option<u32>,
pub proxy_default_port: Option<u32>,
}

impl Config {
Expand All @@ -39,6 +40,9 @@ impl Config {
proxy_url: env::var("PROXY_URL").unwrap_or("US".to_string()).into(),
proxy_user: env::var("PROXY_USER").ok(),
proxy_password: env::var("PROXY_PASSWORD").ok(),
proxy_default_port: env::var("PROXY_DEFAULT_PORT")
.ok()
.and_then(|s| s.parse().ok()),
proxy_ip_count: env::var("PROXY_IP_COUNT").ok().and_then(|s| s.parse().ok()),
})
}
Expand All @@ -55,6 +59,7 @@ impl Config {
proxy_url: None,
proxy_user: None,
proxy_ip_count: None,
proxy_default_port: None,
}
}
}
31 changes: 22 additions & 9 deletions url_finder/src/http_client.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,10 +10,13 @@ const RETRI_TIMEOUT_SEC: u64 = 15;
static ATOMIC_PROXY_PORT: AtomicU32 = AtomicU32::new(8001);
static ATOMIC_PROXY_LAST_CHANGE: AtomicU64 = AtomicU64::new(0);

fn get_sticky_port_atomic(ip_count: u32) -> u16 {
fn get_sticky_port_atomic(config: &Config) -> u32 {
let proxy_default_port = config.proxy_default_port.unwrap();
let ip_count = config.proxy_ip_count.unwrap();

// if no proxy ip count configured, return default port
if ip_count == 0 {
return 8000;
return proxy_default_port;
}

let now = SystemTime::now()
Expand All @@ -26,7 +29,7 @@ fn get_sticky_port_atomic(ip_count: u32) -> u16 {
let expired = now - last > 24 * 3600; // rotate every 24 hours

if expired {
let start = 8001;
let start = config.proxy_default_port.unwrap();
let end = start + ip_count - 1;

let mut rng = rand::rng();
Expand All @@ -35,27 +38,37 @@ fn get_sticky_port_atomic(ip_count: u32) -> u16 {
ATOMIC_PROXY_PORT.store(new_port, Ordering::Relaxed);
ATOMIC_PROXY_LAST_CHANGE.store(now, Ordering::Relaxed);

return new_port as u16;
return new_port as u32;
}

ATOMIC_PROXY_PORT.load(Ordering::Relaxed) as u16
ATOMIC_PROXY_PORT.load(Ordering::Relaxed)
}

pub fn build_client(config: &Config) -> Result<Client, reqwest::Error> {
let mut builder = Client::builder().timeout(std::time::Duration::from_secs(RETRI_TIMEOUT_SEC));

if let (Some(proxy_url), Some(proxy_user), Some(proxy_password), Some(proxy_ip_count)) = (
if let (
Some(proxy_url),
Some(proxy_user),
Some(proxy_password),
Some(proxy_ip_count),
Some(proxy_default_port),
) = (
&config.proxy_url,
&config.proxy_user,
&config.proxy_password,
&config.proxy_ip_count,
&config.proxy_default_port,
) {
let ip_count = *proxy_ip_count as u32;
info!(
"Configuring HTTP client with proxy: {} (user: {}, ip_count: {}, default_port: {})",
proxy_url, proxy_user, proxy_ip_count, proxy_default_port
);

let port = get_sticky_port_atomic(ip_count);
let port = get_sticky_port_atomic(config);
let proxy_url_result = format!("{}:{}", proxy_url, port);

info!("Using proxy: {}", proxy_url_result);
info!("Start using proxy: {}", proxy_url_result);

let proxy = (Proxy::http(proxy_url_result))?.basic_auth(proxy_user, proxy_password);
builder = builder
Expand Down