impl subscriber

src/main.rs

@@ -4,23 +4,30 @@ mod message;
 mod model;
 mod worker;
 
+use std::sync::{mpsc::channel, Arc, Mutex};
 use std::thread;
 use std::time;
 
 use chrono::prelude::*;
 use database::init_database_pool;
 use model::{Job, JobAction};
-use worker::{DeployHandler, Manager, WorkerStatus};
+use worker::{CheckHandler, DeployHandler, Manager, WorkerStatus};
 
 fn main() {
     let now: DateTime<Utc> = Utc::now();
 
     init_database_pool();
 
-    let mut deployer: Manager<Job> = Manager::new("deploy");
+    let (sender, receiver) = channel();
 
-    let handler = DeployHandler::new();
-    deployer.launch_workers(4, handler);
+    let mut deployer: Manager<Job> = Manager::new("deploy");
+    let deploy_handler = DeployHandler::new(Arc::new(Mutex::new(sender)));
+    deployer.launch_workers(5, Arc::new(deploy_handler));
+
+    let check_handler = CheckHandler::new();
+    let mut checker: Manager<Job> = Manager::new("checker");
+    checker.launch_workers(5, Arc::new(check_handler));
+    checker.subscribe(receiver);
 
     for i in 0..5000 {
         let job = Job::new(i, JobAction::MegaportDeploy);

src/model/job.rs

@@ -48,6 +48,25 @@ impl Job {
         Ok(Message::check_deploy(self.id.try_into().unwrap(), ""))
     }
 
+    fn check_megaport(&mut self) -> Result<Message, String> {
+        self.set_status(RunnerStatus::Running);
+        println!(
+            "[job({} - {:?} - {:?})] checking megaport...",
+            self.id, self.action, self.status
+        );
+
+        let wait = time::Duration::from_millis(50);
+        thread::sleep(wait);
+
+        self.set_status(RunnerStatus::Success);
+        println!(
+            "[job({} - {:?} - {:?})] checking megaport done",
+            self.id, self.action, self.status
+        );
+
+        Ok(Message::check_deploy(self.id.try_into().unwrap(), ""))
+    }
+
     fn set_status(&mut self, status: RunnerStatus) {
         self.status = status;
     }
@@ -58,7 +77,7 @@ impl Runner for Job {
         match self.action {
             JobAction::MegaportDeploy => self.deploy_megaport(),
             JobAction::MegaportUndeploy => todo!(),
-            JobAction::MegaportCheckDeploy => todo!(),
+            JobAction::MegaportCheckDeploy => self.check_megaport(),
             JobAction::MegaportCheckUndeploy => todo!(),
         }
     }

src/worker/handler.rs

@@ -1,21 +1,46 @@
+use std::sync::mpsc::Sender;
+use std::sync::{Arc, Mutex};
+
 use crate::message::Message;
+use crate::model::{Job, JobAction};
 
 pub trait Handler {
     fn handle(&self, res: Result<Message, String>);
 }
 
-#[derive(Clone, Copy)]
-pub struct DeployHandler {}
+pub struct CheckHandler {}
 
-impl DeployHandler {
+impl CheckHandler {
     pub fn new() -> Self {
         Self {}
     }
+}
+
+impl Handler for CheckHandler {
+    fn handle(&self, res: Result<Message, String>) {
+        match res {
+            Ok(_m) => todo!(),
+            Err(_e) => todo!(),
+        }
+    }
+}
+
+pub struct DeployHandler {
+    sender: Arc<Mutex<Sender<Job>>>,
+}
+
+impl DeployHandler {
+    pub fn new(sender: Arc<Mutex<Sender<Job>>>) -> Self {
+        Self { sender }
+    }
 
     fn manage_message(&self, message: Message) {
         match message {
-            Message::CheckDeploy(body) => {
-                println!("{:?}", body)
+            Message::CheckDeploy(_body) => {
+                let guard = self.sender.lock().unwrap();
+                if let Err(e) = guard.send(Job::new(1, JobAction::MegaportCheckDeploy)) {
+                    println!("[handler(deploy)] error: {}", e);
+                }
             }
         }
     }

src/worker/mod.rs

@@ -1,5 +1,5 @@
 mod handler;
 mod worker;
 
-pub use handler::DeployHandler;
+pub use handler::{CheckHandler, DeployHandler};
 pub use worker::{Manager, Queue, WorkerStatus};

src/worker/worker.rs

@@ -1,6 +1,6 @@
 use std::collections::VecDeque;
-use std::marker::Send;
-use std::sync::{Arc, Condvar, Mutex};
+use std::marker::{Send, Sync};
+use std::sync::{mpsc::Receiver, Arc, Condvar, Mutex};
 use std::thread;
 
 use super::handler::Handler;
@@ -68,10 +68,10 @@ impl<T: Runner + Send + 'static> Manager<T> {
         }
     }
 
-    pub fn launch_workers<U: Handler + Send + 'static + Copy>(
+    pub fn launch_workers<U: Handler + Sync + Send + 'static>(
         &mut self,
         nb_workers: u32,
-        handler: U,
+        shared_handler: Arc<U>,
     ) {
         for i in 0..nb_workers {
             let shared_worker = Arc::new(Mutex::new(Worker::new(i, self.name.clone())));
@@ -79,6 +79,7 @@ impl<T: Runner + Send + 'static> Manager<T> {
 
             let worker = shared_worker.clone();
             let queue = self.queue.clone();
+            let handler = shared_handler.clone();
 
             thread::spawn(move || loop {
                 let mut guard = queue.content.lock().unwrap();
@@ -100,6 +101,25 @@ impl<T: Runner + Send + 'static> Manager<T> {
         }
     }
 
+    pub fn subscribe(&self, receiver: Receiver<T>) {
+        let queue = self.queue.clone();
+        thread::spawn(move || loop {
+            match receiver.recv() {
+                Ok(j) => {
+                    let mut guard = queue.content.lock().unwrap();
+                    guard.push_back(j);
+
+                    drop(guard);
+                    queue.not_empty.notify_all();
+                }
+                Err(e) => {
+                    eprintln!("[subscribe] error occurred: {:?}", e);
+                    break;
+                }
+            }
+        });
+    }
+
     pub fn add_runner(&self, runner: T) {
         let mut q = self.queue.content.lock().unwrap();
         q.push_back(runner);