PLEASE MARK HELP

src/main.rs

@@ -1,4 +1,5 @@
 use std::io;
+pub mod rr;
 fn main() {
     // Take user input
     let proc_num: i32;
@@ -33,8 +34,7 @@ fn main() {
         num += 1;
     }
     println!("sorting!");
-	let completed: Vec<Process> = vec![];
-	let sorted = sjf(processes, completed, 100);
+    let sorted = rr::round_robin(processes, 1);
     // let sorted = round_robin(processes, vec![], 0, 2);
     println!("You've entered: ");
     for proc in sorted {
@@ -108,7 +108,7 @@ pub fn fifo(mut procs: Vec<Process>) -> Vec<Process> {
 }
 
 pub fn sjf(mut procs: Vec<Process>, mut completed: Vec<Process>, mut clock: i32) -> Vec<Process> {
-	// procs.sort_unstable_by_key(|proc| (proc.arrival, proc.burst));
+    procs.sort_unstable_by_key(|proc| (proc.burst, proc.arrival));
 
     if procs.is_empty() {
         completed
@@ -131,43 +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> {
-	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 in_cpu: Vec<Process> = vec![];
     let mut done: Vec<Process> = vec![];
-	while !buffer.is_empty() || !in_cpu.is_empty() {
-		let mut counter = 0;
-		if !buffer.is_empty() {
-			for proc in buffer.to_owned() {
-				if buffer.is_empty() {
-					continue;
-				}
-				if proc.arrival <= current_time {
-					in_cpu.push(proc);
-					buffer.remove(counter);
-				}
-				counter += 1;
-			}
+    let mut last: Process = Process {
+        arrival: 0,
+        burst: 0,
+        completion_time: 0,
+        remaining: 0,
+        turnaround: 0,
+        waiting: 0,
+    };
+    loop {
+        let (ready, not_ready) = check_arrival(buffer, current_time);
+        buffer = not_ready;
+        in_cpu = into_cpu(ready.to_owned(), in_cpu);
+        if last.remaining > 0 {
+            in_cpu.push(last)
         }
         if !in_cpu.is_empty() {
-			let mut current_proc = in_cpu.remove(0);
-			if current_proc.remaining < q {
-				current_time += current_proc.remaining;
-			} else {
-				current_time += q;
+            last = in_cpu.remove(0);
+            (last.remaining, current_time) = last.quan_zap(q, current_time);
+            done = check_done(last, current_time, done);
         }
-			current_proc.remaining = current_proc.robin_zap(q);
-			if current_proc.remaining == 0 {
-				current_proc.completion_time = current_time;
-				current_proc.turnaround = current_proc.calc_turn();
-				current_proc.waiting = current_proc.calc_wait();
-				done.push(current_proc);
-			} else {
-				in_cpu.push(current_proc);
+        println!("{}", done.len());
+        println!("{}, {}", buffer.len(), ready.len());
+        if done.len() == procs.len() {
+            break;
         }
-		} 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
 }

src/rr.rs

@@ -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!