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5 Commits

Author SHA1 Message Date
LinlyBoi
fe00974c32 PLEASE MARK HELP 2023-03-22 14:48:39 +02:00
LinlyBoi
47fcd20f64 c???? 2023-03-21 13:46:32 +02:00
LinlyBoi
4968a27cbc not remaining 2023-03-21 09:21:00 +02:00
LinlyBoi
b65f60a6ff THIS DOESNT WORK!!!!!!!!!! 2023-03-20 23:53:40 +02:00
LinlyBoi
31fe021509 balls 2023-03-20 22:22:49 +02:00
2 changed files with 134 additions and 32 deletions

View File

@@ -1,4 +1,5 @@
use std::io; use std::io;
pub mod rr;
fn main() { fn main() {
// Take user input // Take user input
let proc_num: i32; let proc_num: i32;
@@ -33,7 +34,7 @@ fn main() {
num += 1; num += 1;
} }
println!("sorting!"); println!("sorting!");
let sorted = round_robin(processes, 100); let sorted = rr::round_robin(processes, 1);
// let sorted = round_robin(processes, vec![], 0, 2); // let sorted = round_robin(processes, vec![], 0, 2);
println!("You've entered: "); println!("You've entered: ");
for proc in sorted { for proc in sorted {
@@ -130,43 +131,64 @@ pub fn sjf(mut procs: Vec<Process>, mut completed: Vec<Process>, mut clock: i32)
} }
} }
pub fn round_robin(procs: Vec<Process>, q: i32) -> Vec<Process> { pub fn round_robin(procs: Vec<Process>, q: i32) -> Vec<Process> {
let mut buffer = procs; let mut buffer = procs.to_owned();
buffer.sort_by(|a, b| a.arrival.cmp(&b.arrival));
let mut current_time = 0; let mut current_time = 0;
let mut in_cpu: Vec<Process> = vec![]; let mut in_cpu: Vec<Process> = vec![];
let mut done: Vec<Process> = vec![]; let mut done: Vec<Process> = vec![];
while !buffer.is_empty() || !in_cpu.is_empty() { let mut last: Process = Process {
let mut counter = 0; arrival: 0,
if !buffer.is_empty() { burst: 0,
for proc in buffer.to_owned() { completion_time: 0,
if buffer.is_empty() { remaining: 0,
continue; turnaround: 0,
} waiting: 0,
if proc.arrival <= current_time { };
in_cpu.push(proc); loop {
buffer.remove(counter); let (ready, not_ready) = check_arrival(buffer, current_time);
} buffer = not_ready;
counter += 1; in_cpu = into_cpu(ready.to_owned(), in_cpu);
} if last.remaining > 0 {
in_cpu.push(last)
} }
if !in_cpu.is_empty() { if !in_cpu.is_empty() {
let mut current_proc = in_cpu.remove(0); last = in_cpu.remove(0);
if current_proc.remaining < q { (last.remaining, current_time) = last.quan_zap(q, current_time);
current_time += current_proc.remaining; done = check_done(last, current_time, done);
} else {
current_time += q;
} }
current_proc.remaining = current_proc.robin_zap(q); println!("{}", done.len());
if current_proc.remaining == 0 { println!("{}, {}", buffer.len(), ready.len());
current_proc.completion_time = current_time; if done.len() == procs.len() {
current_proc.turnaround = current_proc.calc_turn(); break;
current_proc.waiting = current_proc.calc_wait();
done.push(current_proc);
} else {
in_cpu.push(current_proc);
} }
} else {
current_time += 1;
} }
done
}
pub fn check_arrival(buffer: Vec<Process>, current_time: i32) -> (Vec<Process>, Vec<Process>) {
let mut ready: Vec<Process> = vec![];
let mut not_ready: Vec<Process> = vec![];
for proc in buffer {
if proc.remaining <= current_time {
ready.push(proc);
} else {
not_ready.push(proc);
}
}
(ready, not_ready)
}
pub fn into_cpu(ready: Vec<Process>, mut cpu: Vec<Process>) -> Vec<Process> {
for proc in ready {
cpu.push(proc);
}
cpu
}
pub fn check_done(mut proc: Process, current_time: i32, mut done: Vec<Process>) -> Vec<Process> {
if proc.remaining == 0 {
proc.completion_time = current_time;
proc.turnaround = proc.calc_turn();
proc.waiting = proc.calc_wait();
done.push(proc);
} }
done done
} }

80
src/rr.rs Normal file
View File

@@ -0,0 +1,80 @@
use std::collections::VecDeque;
use crate::Process;
pub fn round_robin(procs: Vec<Process>, q: i32) -> VecDeque<Process> {
let mut buffer = procs.to_owned();
buffer.sort_by(|a, b| a.arrival.cmp(&b.arrival));
let mut current_time = 0;
let mut in_cpu: VecDeque<Process> = VecDeque::new();
let mut done: VecDeque<Process> = VecDeque::new();
let mut last: Process = Process {
arrival: 0,
burst: 0,
completion_time: 0,
remaining: 0,
turnaround: 0,
waiting: 0,
};
loop {
if done.len() == procs.len() {
break;
}
let (ready, not_ready) = check_arrival(buffer.to_owned(), current_time);
in_cpu = into_cpu(ready.to_owned(), in_cpu);
if last.remaining > 0 {
in_cpu.push_back(last)
}
match in_cpu.pop_front() {
Some(mut proc) => {
(proc.remaining, current_time) = proc.quan_zap(q, current_time);
done = check_done(proc, current_time, done);
if proc.remaining != 0 {
last = proc;
}
}
None => current_time += 1,
};
println!("current time: {}", current_time);
println!("in_cpu: {}", in_cpu.len());
// println!("last remaining time: {}", last.remaining);
// println!("currently done: {}", done.len());
println!("buffer: {}, ready: {}", buffer.len(), ready.len());
}
done
}
pub fn check_arrival(buffer: Vec<Process>, current_time: i32) -> (VecDeque<Process>, Vec<Process>) {
let mut ready: VecDeque<Process> = VecDeque::new();
let mut not_ready: Vec<Process> = vec![];
for proc in buffer {
if proc.arrival <= current_time {
ready.push_back(proc)
} else {
not_ready.push(proc)
}
}
(ready, not_ready)
}
pub fn into_cpu(ready: VecDeque<Process>, mut cpu: VecDeque<Process>) -> VecDeque<Process> {
for proc in ready {
cpu.push_back(proc);
}
cpu
}
pub fn check_done(
mut proc: Process,
current_time: i32,
mut done: VecDeque<Process>,
) -> VecDeque<Process> {
if proc.remaining == 0 {
proc.completion_time = current_time;
proc.turnaround = proc.calc_turn();
proc.waiting = proc.calc_wait();
done.push_back(proc);
}
done
}
// This code sucks!