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benchmark_portscan.rs
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150 lines (131 loc) Β· 4.39 KB
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use async_std::task::block_on;
use criterion::{criterion_group, criterion_main, Criterion};
use rustscan::input::{Opts, PortRange, ScanOrder};
use rustscan::port_strategy::PortStrategy;
use rustscan::scanner::Scanner;
use std::collections::BTreeMap;
use std::hint::black_box;
use std::net::IpAddr;
use std::time::Duration;
// New imports for UDP payload lookup benchmark
use rustscan::generated::get_parsed_data;
use rustscan::scanner::build_udp_payload_lookup;
fn portscan_tcp(scanner: &Scanner) {
let _scan_result = block_on(scanner.run());
}
fn portscan_udp(scanner: &Scanner) {
let _scan_result = block_on(scanner.run());
}
fn bench_address() {
let _addrs = ["127.0.0.1".parse::<IpAddr>().unwrap()];
}
fn bench_port_strategy() {
let range = PortRange {
start: 1,
end: 1_000,
};
let _strategy = PortStrategy::pick(&Some(range.clone()), None, ScanOrder::Serial);
}
fn bench_address_parsing() {
let opts = Opts {
addresses: vec![
"127.0.0.1".to_owned(),
"10.2.0.1".to_owned(),
"192.168.0.0/24".to_owned(),
],
exclude_addresses: Some(vec![
"10.0.0.0/8".to_owned(),
"172.16.0.0/12".to_owned(),
"192.168.0.0/16".to_owned(),
"172.16.0.1".to_owned(),
]),
..Default::default()
};
let _ips = rustscan::address::parse_addresses(&opts);
}
// Replicates the old UDP payload selection behavior:
// scan the whole UDP payload map and find the last payload whose port list contains `port`.
fn old_payload_for_port(udp_map: &'static BTreeMap<Vec<u16>, Vec<u8>>, port: u16) -> &'static [u8] {
let mut payload: &'static [u8] = b"";
for (ports, value) in udp_map.iter() {
if ports.contains(&port) {
payload = value.as_slice();
}
}
payload
}
fn criterion_benchmark(c: &mut Criterion) {
let addrs = vec!["127.0.0.1".parse::<IpAddr>().unwrap()];
let range = PortRange {
start: 1,
end: 1_000,
};
let strategy_tcp = PortStrategy::pick(&Some(range.clone()), None, ScanOrder::Serial);
let strategy_udp = PortStrategy::pick(&Some(range.clone()), None, ScanOrder::Serial);
let scanner_tcp = Scanner::new(
&addrs,
10,
Duration::from_millis(10),
1,
false,
strategy_tcp,
true,
vec![],
false,
);
c.bench_function("portscan tcp", |b| {
b.iter(|| portscan_tcp(black_box(&scanner_tcp)))
});
let scanner_udp = Scanner::new(
&addrs,
10,
Duration::from_millis(10),
1,
false,
strategy_udp,
true,
vec![],
true,
);
let mut udp_group = c.benchmark_group("portscan udp");
udp_group.measurement_time(Duration::from_secs(20));
udp_group.bench_function("portscan udp", |b| {
b.iter(|| portscan_udp(black_box(&scanner_udp)))
});
udp_group.finish();
// Benching helper functions
c.bench_function("parse address", |b| b.iter(bench_address));
c.bench_function("port strategy", |b| b.iter(bench_port_strategy));
let mut address_group = c.benchmark_group("address parsing");
address_group.measurement_time(Duration::from_secs(10));
address_group.bench_function("parse addresses with exclusions", |b| {
b.iter(bench_address_parsing)
});
address_group.finish();
// New: UDP payload lookup micro-benchmark (isolates the improvement)
//
// This gives you a clean "old vs new" measurement without network noise.
let udp_map = get_parsed_data();
let lookup = build_udp_payload_lookup(udp_map);
// Simulate repeated lookups (like scanning a bunch of ports).
// 4096 is big enough to make differences obvious, without taking forever.
let ports: Vec<u16> = (1..=4096).collect();
c.bench_function("udp payload lookup/old scan map 1..4096", |b| {
b.iter(|| {
for &p in ports.iter() {
let payload = old_payload_for_port(black_box(udp_map), black_box(p));
black_box(payload);
}
})
});
c.bench_function("udp payload lookup/new hashmap 1..4096", |b| {
b.iter(|| {
for &p in ports.iter() {
let payload = lookup.get(&p).copied().unwrap_or(b"");
black_box(payload);
}
})
});
}
criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);