Решение на упр.11 задача 1 от Димитър Колев
Резултати
- 4 точки от тестове
- 0 бонус точки
- 4 точки общо
- 1 успешни тест(а)
- 0 неуспешни тест(а)
Код
use std::io::Write;
use std::time::Duration;
use tokio::task;
async fn run_task(id: usize, duration: Duration) -> Result<String, String> {
tokio::time::sleep(duration).await;
let ms = duration.as_millis();
if ms > 800 {
Err(format!("Task {} timed out", id))
} else {
Ok(format!("Task {} finished in {} ms", id, ms))
}
}
async fn manage_tasks(task_infos: &[(usize, Duration)], w: &mut dyn Write) {
let mut handles = Vec::new();
for (id, duration) in task_infos {
let id = *id;
let duration = *duration;
let handle = tokio::spawn(run_task(id, duration));
handles.push(handle);
}
let mut success_count = 0;
let mut failed_count = 0;
for handle in handles {
match handle.await {
Ok(task_result) => {
match task_result {
Ok(msg) => {
writeln!(w, "{}", msg).unwrap();
success_count += 1;
}
Err(err) => {
writeln!(w, "{}", err).unwrap();
failed_count += 1;
}
}
}
Err(e) => {
writeln!(w, "System error in task: {}", e).unwrap();
failed_count += 1;
}
}
}
writeln!(w, "Successful tasks: {}", success_count).unwrap();
writeln!(w, "Failed tasks: {}", failed_count).unwrap();
}
Лог от изпълнението
Updating crates.io index
Locking 46 packages to latest compatible versions
Compiling proc-macro2 v1.0.104
Compiling unicode-ident v1.0.22
Compiling quote v1.0.42
Compiling libc v0.2.178
Compiling syn v2.0.111
Compiling futures-sink v0.3.31
Compiling futures-core v0.3.31
Compiling parking_lot_core v0.9.12
Compiling pin-project-lite v0.2.16
Compiling futures-channel v0.3.31
Compiling cfg-if v1.0.4
Compiling futures-io v0.3.31
Compiling futures-task v0.3.31
Compiling scopeguard v1.2.0
Compiling pin-utils v0.1.0
Compiling slab v0.4.11
Compiling smallvec v1.15.1
Compiling memchr v2.7.6
Compiling lock_api v0.4.14
Compiling errno v0.3.14
Compiling signal-hook-registry v1.4.8
Compiling parking_lot v0.12.5
Compiling mio v1.1.1
Compiling futures-macro v0.3.31
Compiling tokio-macros v2.6.0
Compiling futures-util v0.3.31
Compiling socket2 v0.6.1
Compiling bytes v1.11.0
Compiling tokio v1.48.0
Compiling futures-executor v0.3.31
Compiling futures v0.3.31
Compiling solution v0.1.0 (/tmp/d20251228-4108951-hsa4l4/solution)
warning: unused import: `tokio::task`
--> src/lib.rs:3:5
|
3 | use tokio::task;
| ^^^^^^^^^^^
|
= note: `#[warn(unused_imports)]` on by default
warning: function `run_task` is never used
--> src/lib.rs:5:10
|
5 | async fn run_task(id: usize, duration: Duration) -> Result<String, String> {
| ^^^^^^^^
|
= note: `#[warn(dead_code)]` on by default
warning: function `manage_tasks` is never used
--> src/lib.rs:16:10
|
16 | async fn manage_tasks(task_infos: &[(usize, Duration)], w: &mut dyn Write) {
| ^^^^^^^^^^^^
warning: `solution` (lib) generated 3 warnings (run `cargo fix --lib -p solution` to apply 1 suggestion)
warning: unused import: `tokio::task`
--> tests/../src/lib.rs:3:5
|
3 | use tokio::task;
| ^^^^^^^^^^^
|
= note: `#[warn(unused_imports)]` on by default
warning: `solution` (test "solution_test") generated 1 warning (run `cargo fix --test "solution_test"` to apply 1 suggestion)
Finished `test` profile [unoptimized + debuginfo] target(s) in 17.35s
Running tests/solution_test.rs (target/debug/deps/solution_test-f512224d9fb3caf8)
running 1 test
test solution_test::test_basic ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.20s