1use core::str;
2use std::{
3 convert::TryInto,
4 net::{IpAddr, Ipv6Addr, SocketAddr},
5 num::ParseIntError,
6 str::FromStr,
7 sync::Arc,
8};
9
10use anyhow::{Context, Result};
11use bytes::Bytes;
12use clap::Parser;
13use noq::crypto::rustls::QuicClientConfig;
14use rustls::{
15 RootCertStore,
16 pki_types::{CertificateDer, PrivateKeyDer},
17};
18use tokio::runtime::{Builder, Runtime};
19use tracing::trace;
20
21pub mod stats;
22
23pub fn configure_tracing_subscriber() {
24 tracing::subscriber::set_global_default(
25 tracing_subscriber::FmtSubscriber::builder()
26 .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
27 .finish(),
28 )
29 .unwrap();
30}
31
32pub fn server_endpoint(
34 rt: &Runtime,
35 cert: CertificateDer<'static>,
36 key: PrivateKeyDer<'static>,
37 opt: &Opt,
38) -> (SocketAddr, noq::Endpoint) {
39 let cert_chain = vec![cert];
40 let mut server_config = noq::ServerConfig::with_single_cert(cert_chain, key).unwrap();
41 server_config.transport = Arc::new(transport_config(opt));
42
43 let endpoint = {
44 let _guard = rt.enter();
45 noq::Endpoint::server(
46 server_config,
47 SocketAddr::new(IpAddr::V6(Ipv6Addr::LOCALHOST), 0),
48 )
49 .unwrap()
50 };
51 let server_addr = endpoint.local_addr().unwrap();
52 (server_addr, endpoint)
53}
54
55pub async fn connect_client(
57 server_addr: SocketAddr,
58 server_cert: CertificateDer<'_>,
59 opt: Opt,
60) -> Result<(noq::Endpoint, noq::Connection)> {
61 let endpoint =
62 noq::Endpoint::client(SocketAddr::new(IpAddr::V6(Ipv6Addr::LOCALHOST), 0)).unwrap();
63
64 let mut roots = RootCertStore::empty();
65 roots.add(server_cert)?;
66
67 let default_provider = rustls::crypto::ring::default_provider();
68 let provider = rustls::crypto::CryptoProvider {
69 cipher_suites: vec![opt.cipher.as_rustls()],
70 ..default_provider
71 };
72
73 let crypto = rustls::ClientConfig::builder_with_provider(provider.into())
74 .with_protocol_versions(&[&rustls::version::TLS13])
75 .unwrap()
76 .with_root_certificates(roots)
77 .with_no_client_auth();
78
79 let mut client_config = noq::ClientConfig::new(Arc::new(QuicClientConfig::try_from(crypto)?));
80 client_config.transport_config(Arc::new(transport_config(&opt)));
81
82 let connection = endpoint
83 .connect_with(client_config, server_addr, "localhost")
84 .unwrap()
85 .await
86 .context("unable to connect")?;
87 trace!("connected");
88
89 Ok((endpoint, connection))
90}
91
92pub async fn drain_stream(mut stream: noq::RecvStream, read_unordered: bool) -> Result<usize> {
93 let mut read = 0;
94
95 if read_unordered {
96 let mut stream = stream.into_unordered();
97 while let Some(chunk) = stream.read_chunk(usize::MAX).await? {
98 read += chunk.bytes.len();
99 }
100 } else {
101 #[rustfmt::skip]
103 let mut bufs = [
104 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
105 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
106 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
107 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
108 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
109 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
110 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
111 Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
112 ];
113
114 while let Some(n) = stream.read_many_chunks(&mut bufs[..]).await? {
115 read += bufs.iter().take(n).map(|buf| buf.len()).sum::<usize>();
116 }
117 }
118
119 Ok(read)
120}
121
122pub async fn send_data_on_stream(stream: &mut noq::SendStream, stream_size: u64) -> Result<()> {
123 const DATA: &[u8] = &[0xAB; 1024 * 1024];
124 let bytes_data = Bytes::from_static(DATA);
125
126 let full_chunks = stream_size / (DATA.len() as u64);
127 let remaining = (stream_size % (DATA.len() as u64)) as usize;
128
129 for _ in 0..full_chunks {
130 stream
131 .write_chunk(bytes_data.clone())
132 .await
133 .context("failed sending data")?;
134 }
135
136 if remaining != 0 {
137 stream
138 .write_chunk(bytes_data.slice(0..remaining))
139 .await
140 .context("failed sending data")?;
141 }
142
143 stream.finish().unwrap();
144 _ = stream.stopped().await;
146
147 Ok(())
148}
149
150pub fn rt(runtime_type: RuntimeType) -> Runtime {
151 match runtime_type {
152 RuntimeType::Tokio => {
153 let counter = std::sync::atomic::AtomicUsize::new(0);
154 Builder::new_multi_thread()
155 .thread_name_fn(move || {
156 format!(
157 "tokio-runtime-{}",
158 counter.fetch_add(1, std::sync::atomic::Ordering::Relaxed)
159 )
160 })
161 .enable_all()
162 .build()
163 .unwrap()
164 }
165 RuntimeType::TokioCurrentThread => {
166 Builder::new_current_thread().enable_all().build().unwrap()
167 }
168 }
169}
170
171pub fn transport_config(opt: &Opt) -> noq::TransportConfig {
172 let mut config = noq::TransportConfig::default();
175 config.max_concurrent_uni_streams(opt.max_streams.try_into().unwrap());
176 config.initial_mtu(opt.initial_mtu);
177
178 let mut acks = noq::AckFrequencyConfig::default();
179 acks.ack_eliciting_threshold(10u32.into());
180 config.ack_frequency_config(Some(acks));
181
182 config
183}
184
185#[derive(Parser, Debug, Clone, Copy)]
186#[clap(name = "bulk")]
187pub struct Opt {
188 #[clap(long = "clients", short = 'c', default_value = "1")]
190 pub clients: usize,
191 #[clap(long = "streams", short = 'n', default_value = "1")]
193 pub streams: usize,
194 #[clap(long = "max_streams", short = 'm', default_value = "1")]
196 pub max_streams: usize,
197 #[clap(long, default_value = "1G", value_parser = parse_byte_size)]
202 pub download_size: u64,
203 #[clap(long, default_value = "0", value_parser = parse_byte_size)]
208 pub upload_size: u64,
209 #[clap(long = "stats")]
211 pub stats: bool,
212 #[clap(long = "unordered")]
214 pub read_unordered: bool,
215 #[clap(long = "cipher", default_value = "aes128")]
219 pub cipher: CipherSuite,
220 #[clap(long, default_value = "1200")]
222 pub initial_mtu: u16,
223 #[clap(long, default_value = "tokio")]
225 pub runtime_type: RuntimeType,
226}
227
228#[derive(Debug, Clone, Copy)]
229pub enum RuntimeType {
230 Tokio,
231 TokioCurrentThread,
232}
233
234impl FromStr for RuntimeType {
235 type Err = anyhow::Error;
236
237 fn from_str(s: &str) -> Result<Self, Self::Err> {
238 match s.to_lowercase().as_str() {
239 "tokio" => Ok(Self::Tokio),
240 "tokio-current-thread" => Ok(Self::TokioCurrentThread),
241 _ => Err(anyhow::anyhow!("Unknown runtime type {}", s)),
242 }
243 }
244}
245
246fn parse_byte_size(s: &str) -> Result<u64, ParseIntError> {
247 let s = s.trim();
248
249 let multiplier = match s.chars().last() {
250 Some('T') => 1024 * 1024 * 1024 * 1024,
251 Some('G') => 1024 * 1024 * 1024,
252 Some('M') => 1024 * 1024,
253 Some('k') => 1024,
254 _ => 1,
255 };
256
257 let s = match multiplier {
258 1 => s,
259 _ => &s[..s.len() - 1],
260 };
261
262 Ok(u64::from_str(s)? * multiplier)
263}
264
265#[derive(Debug, PartialEq, Eq, Clone, Copy)]
266pub enum CipherSuite {
267 Aes128,
268 Aes256,
269 Chacha20,
270}
271
272impl CipherSuite {
273 pub fn as_rustls(self) -> rustls::SupportedCipherSuite {
274 use rustls::crypto::ring::cipher_suite;
275 match self {
276 Self::Aes128 => cipher_suite::TLS13_AES_128_GCM_SHA256,
277 Self::Aes256 => cipher_suite::TLS13_AES_256_GCM_SHA384,
278 Self::Chacha20 => cipher_suite::TLS13_CHACHA20_POLY1305_SHA256,
279 }
280 }
281}
282
283impl FromStr for CipherSuite {
284 type Err = anyhow::Error;
285
286 fn from_str(s: &str) -> Result<Self, Self::Err> {
287 match s.to_lowercase().as_str() {
288 "aes128" => Ok(Self::Aes128),
289 "aes256" => Ok(Self::Aes256),
290 "chacha20" => Ok(Self::Chacha20),
291 _ => Err(anyhow::anyhow!("Unknown cipher suite {}", s)),
292 }
293 }
294}