vpp_sim/
main.rs

1mod api;
2mod cli;
3mod devices;
4mod forecast;
5mod reporting;
6mod runner;
7mod scenario;
8mod sim;
9mod telemetry;
10
11use api::run_http_server;
12use cli::{parse_args, print_usage};
13use reporting::print_kpi_report;
14use runner::run_scenario;
15use scenario::ScenarioConfig;
16use telemetry::write_telemetry_to_path;
17
18fn main() {
19    let opts = match parse_args() {
20        Ok(opts) => opts,
21        Err(err) => {
22            eprintln!("Error: {err}");
23            print_usage();
24            std::process::exit(2);
25        }
26    };
27
28    let scenario = if let Some(path) = opts.scenario.as_deref() {
29        match ScenarioConfig::from_path(path) {
30            Ok(s) => s,
31            Err(err) => {
32                eprintln!("Error: {err}");
33                std::process::exit(2);
34            }
35        }
36    } else if let Some(preset) = opts.preset.as_deref() {
37        match ScenarioConfig::from_preset(preset) {
38            Ok(s) => s,
39            Err(err) => {
40                eprintln!("Error: {err}");
41                std::process::exit(2);
42            }
43        }
44    } else {
45        ScenarioConfig::default()
46    };
47
48    let result = run_scenario(&scenario, true);
49    if let Some(path) = opts.telemetry_out.as_deref() {
50        if let Err(err) = write_telemetry_to_path(path, &result.telemetry) {
51            eprintln!(
52                "Error: failed to write telemetry CSV to {}: {err}",
53                path.display()
54            );
55            std::process::exit(1);
56        }
57    }
58
59    print_kpi_report(&result.kpis);
60
61    if let Some(bind_addr) = opts.api_bind.as_deref() {
62        if let Err(err) = run_http_server(bind_addr, result.telemetry.clone()) {
63            eprintln!("Error: failed to start HTTP API on {bind_addr}: {err}");
64            std::process::exit(1);
65        }
66    }
67}
vpp_sim/main.rs

vpp_sim/
main.rs
