alice.pds.demo.boltless.dev
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1#[tokio::main(flavor = "multi_thread", worker_threads = 4)]
2async fn main() {
3 let args: Vec<String> = std::env::args().skip(1).collect();
4 let dump = args.iter().any(|arg| arg == "dump");
5 let target_flag = args.iter().position(|arg| arg == "--target");
6 let target = match target_flag {
7 Some(position) => match args.get(position + 1) {
8 Some(path) => Some(path.clone()),
9 None => {
10 eprintln!("knot-sim: --target needs a path");
11 std::process::exit(1);
12 }
13 },
14 None => None,
15 };
16 let numbers: Vec<u64> = args
17 .iter()
18 .enumerate()
19 .filter(|(index, _)| {
20 !matches!(target_flag, Some(position) if *index == position || *index == position + 1)
21 })
22 .filter_map(|(_, arg)| arg.parse().ok())
23 .collect();
24 let seed = numbers.first().copied().unwrap_or(1);
25 let rounds = numbers.get(1).copied().unwrap_or(12) as u32;
26 let trace = match target {
27 Some(path) => match knot_sim::run_realdata(std::path::Path::new(&path), seed, rounds).await
28 {
29 Ok(trace) => trace,
30 Err(error) => {
31 eprintln!("knot-sim: {error}");
32 std::process::exit(1);
33 }
34 },
35 None => knot_sim::run(seed, rounds).await,
36 };
37 if dump {
38 println!(
39 "{}",
40 serde_json::to_string_pretty(&trace).expect("trace serializes")
41 );
42 }
43 println!(
44 "knot-sim seed={seed} rounds={rounds} steps={} snapshots={} digest={:016x}",
45 trace.steps.len(),
46 trace.snapshots.len(),
47 trace.digest()
48 );
49}