ENSEEIHT/projet-donnees-reparties
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feat: basiquement tout fonctionne sauf le callback en version serveur

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on dirait que le truc ets pas sérialisable et jsp comment faire
This commit is contained in:
Laureηt 2021-12-30 18:40:11 +01:00
parent d304043c92
commit 72ebb50107
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GPG key ID: D88C6B294FD40994
9 changed files with 232 additions and 58 deletions
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47
.vscode/launch.json vendored Normal file
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@ -0,0 +1,47 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"type": "java",
"name": "Launch Main",
"request": "launch",
"mainClass": "linda.search.basic.Main",
"projectName": "Projet PDR"
},
{
"type": "java",
"name": "Launch Searcher",
"request": "launch",
"mainClass": "linda.search.basic.Searcher",
"args": [
"4000"
],
"projectName": "Projet PDR"
},
{
"type": "java",
"name": "Launch Manager",
"request": "launch",
"mainClass": "linda.search.basic.Manager",
"args": [
"4000",
"/usr/share/dict/french",
"agneau"
],
"projectName": "Projet PDR"
},
{
"type": "java",
"name": "Launch LindaServer",
"request": "launch",
"mainClass": "linda.server.LindaServer",
"args": [
"4000"
],
"projectName": "Projet PDR"
}
]
}

9
src/main/java/linda/search/basic/Main.java
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@ -4,7 +4,7 @@ import linda.*;
public class Main {
private static final int NB_SEARCHER = 10;
private static final int NB_SEARCHER = 2;
public static void main(String args[]) throws InterruptedException {
// if (args.length != 2) {
@ -13,19 +13,20 @@ public class Main {
// }
Linda linda = new linda.shm.CentralizedLinda();
Manager manager1 = new Manager(linda, "/usr/share/dict/french", "abasourdir");
Manager manager1 = new Manager(linda, "/usr/share/dict/french", "abasourdir", 500);
Thread thread1 = new Thread(manager1);
thread1.start();
Manager manager2 = new Manager(linda, "/usr/share/dict/french", "agneau");
Thread thread2 = new Thread(manager2);
thread2.start();
for (int i = 0; i < NB_SEARCHER; i++) {
Searcher searcher = new Searcher(linda);
(new Thread(searcher)).start();
}
thread1.start();
Thread.sleep(100);
thread2.start();
thread1.join();
thread2.join();
}

125
src/main/java/linda/search/basic/Manager.java
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@ -1,12 +1,21 @@
package linda.search.basic;
import java.util.UUID;
import java.util.Timer;
import java.util.TimerTask;
import java.util.stream.Stream;
import java.net.MalformedURLException;
import java.nio.file.Files;
import java.nio.file.Paths;
import linda.*;
import java.rmi.NotBoundException;
import java.rmi.RemoteException;
import linda.Callback;
import linda.Linda;
import linda.Tuple;
import linda.Linda.eventMode;
import linda.Linda.eventTiming;
import linda.server.LindaClient;
import linda.server.SCallback;
public class Manager implements Runnable {
@ -17,6 +26,7 @@ public class Manager implements Runnable {
private String search;
private int bestvalue = Integer.MAX_VALUE; // lower is better
private String bestresult;
private Integer timeout = null;
public Manager(Linda linda, String pathname, String search) {
this.linda = linda;
@ -26,12 +36,34 @@ public class Manager implements Runnable {
this.search = search;
}
public Manager(Linda linda, String pathname, String search, int timeout) {
this(linda, pathname, search);
this.timeout = timeout;
}
public static void main(String[] args) throws MalformedURLException, RemoteException, NotBoundException {
if (args.length != 3) {
System.err.println("linda.search.basic.Main search file.");
return;
}
int port = Integer.parseInt(args[0]);
String url = "rmi://localhost:" + port + "/linda";
LindaClient lc = new LindaClient(url);
String dict = args[1];
String word = args[2];
Manager manager = new Manager(lc, dict, word);
Thread thread = new Thread(manager);
thread.start();
}
private void addSearch() {
System.out.println("Search (" + this.reqUUID + ") for " + this.search);
linda.eventRegister(
Linda.eventMode.TAKE, Linda.eventTiming.FUTURE,
new Tuple(Code.Result, this.reqUUID, String.class, Integer.class),
new CbGetResult());
new CbUpdate());
linda.write(new Tuple(Code.Request, this.reqUUID, this.search));
}
@ -43,18 +75,35 @@ public class Manager implements Runnable {
}
}
private void waitForEndSearch() {
linda.take(new Tuple(Code.Searcher, "done", this.reqUUID)); // wait for the search to be finished
linda.take(new Tuple(Code.Request, this.reqUUID, String.class)); // remove search query
class CbLoop implements Callback {
eventMode mode;
eventTiming timing;
Tuple template;
CbLoop(eventMode mode, eventTiming timing, Tuple template) {
this.mode = mode;
this.timing = timing;
this.template = template;
linda.eventRegister(this.mode, this.timing, this.template, this);
}
public void call(Tuple t) {
linda.eventRegister(this.mode, this.timing, this.template, this);
}
}
private class CbEnd implements Callback {
@Override
public void call(Tuple t) {
new CbLoop(eventMode.TAKE, eventTiming.IMMEDIATE, t); // on supprime tous les futurs "done"
linda.take(new Tuple(Code.Request, reqUUID, String.class)); // remove search query
System.out.println("query done");
}
private void waitForResult() {
linda.take(new Tuple(Code.Searcher, "end", this.reqUUID));
System.out.println("Final result: \"" + bestresult + '"');
}
private class CbGetResult implements linda.Callback {
private class CbUpdate implements SCallback {
public void call(Tuple t) { // [ Result, ?UUID, ?String, ?Integer ]
UUID reqUUID = (UUID) t.get(1);
String s = (String) t.get(2);
@ -68,7 +117,8 @@ public class Manager implements Runnable {
// Tant qu'il reste des mots à chercher, ou des résultats à traiter
if ((linda.tryRead(new Tuple(Code.Result, reqUUID, String.class, Integer.class)) != null)
|| (linda.tryRead(new Tuple(Code.Value, String.class, reqUUID)) != null)) {
|| (linda.tryRead(new Tuple(Code.Value, String.class, reqUUID)) != null)
|| (linda.tryRead(new Tuple(Code.Request, reqUUID, String.class)) != null)) {
linda.eventRegister(
Linda.eventMode.TAKE, Linda.eventTiming.IMMEDIATE,
@ -81,10 +131,51 @@ public class Manager implements Runnable {
}
}
class TimeoutExit implements Runnable {
@Override
public void run() {
this.loadData();
this.addSearch();
this.waitForEndSearch();
this.waitForResult();
try {
Thread.sleep(timeout);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("Search (" + reqUUID + ") timed out ");
linda.take(new Tuple(Code.Request, reqUUID, String.class)); // remove search query
linda.takeAll(new Tuple(Code.Value, String.class, reqUUID)); // remove words
new CbLoop(Linda.eventMode.TAKE, Linda.eventTiming.IMMEDIATE,
new Tuple(Code.Result, reqUUID, String.class, Integer.class)); // remove results
new CbLoop(Linda.eventMode.TAKE, Linda.eventTiming.IMMEDIATE,
new Tuple(Code.Searcher, "done", reqUUID)); // remove "done" messages
new CbLoop(Linda.eventMode.TAKE, Linda.eventTiming.IMMEDIATE,
new Tuple(Code.Searcher, "end", reqUUID)); // remove "end" messages
// TODO: chercheur doivent écrire qui ils cherchent, pour que le manager puisse
// se stopper su personne ne le cherche
}
}
public void run() {
if (this.timeout != null) {
TimeoutExit exit = new TimeoutExit();
Thread thread = new Thread(exit);
thread.start();
}
this.loadData(); // on charge les mots du dict
this.addSearch(); // on enregistre la query
this.linda.eventRegister( // on attend la fin de la recherche
eventMode.TAKE, eventTiming.IMMEDIATE,
new Tuple(Code.Searcher, "done", this.reqUUID),
new CbEnd());
// on affiche le résultat (ou on le récupère...)
linda.take(new Tuple(Code.Searcher, "end", this.reqUUID));
System.out.println("Final result: \"" + bestresult + '"');
linda.debug("Tuple Space : ");
}
}

23
src/main/java/linda/search/basic/Searcher.java
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@ -1,8 +1,9 @@
package linda.search.basic;
import linda.*;
import linda.server.LindaClient;
import java.util.Arrays;
import java.util.Collection;
import java.util.UUID;
public class Searcher implements Runnable {
@ -13,6 +14,20 @@ public class Searcher implements Runnable {
this.linda = linda;
}
public static void main(String[] args) {
if (args.length != 1) {
System.err.println("linda.search.basic.Main search file.");
return;
}
int port = Integer.parseInt(args[0]);
String url = "rmi://localhost:" + port + "/linda";
LindaClient lc = new LindaClient(url);
Searcher searcher = new Searcher(lc);
Thread thread = new Thread(searcher);
thread.start();
}
private void search(Tuple treq) {
UUID reqUUID = (UUID) treq.get(1);
String req = (String) treq.get(2);
@ -37,9 +52,9 @@ public class Searcher implements Runnable {
public void run() {
System.out.println("Ready to search");
linda.read(new Tuple(Code.Request, UUID.class, String.class));
Collection<Tuple> treqs = linda.readAll(new Tuple(Code.Request, UUID.class, String.class));
for (Tuple treq : treqs) {
Tuple treq;
while (true) {
treq = linda.read(new Tuple(Code.Request, UUID.class, String.class));
search(treq);
}
}

5
src/main/java/linda/server/LindaRemote.java
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@ -1,8 +1,8 @@
package linda.server;
import linda.Callback;
import linda.Linda;
import linda.Tuple;
import linda.Callback;
import java.util.Collection;
@ -24,7 +24,8 @@ public interface LindaRemote extends Remote {
public Collection<Tuple> readAll(Tuple template) throws RemoteException;
public void eventRegister(Linda.eventMode mode, Linda.eventTiming timing, Tuple template, Callback callback) throws RemoteException;
public void eventRegister(Linda.eventMode mode, Linda.eventTiming timing, Tuple template, Callback callback)
throws RemoteException;
public void debug(String prefix) throws RemoteException;
}

32
src/main/java/linda/server/LindaServer.java
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@ -4,6 +4,7 @@ import java.util.Collection;
import java.rmi.server.UnicastRemoteObject;
import java.rmi.*;
import java.rmi.registry.LocateRegistry;
import linda.Callback;
import linda.Linda;
@ -21,16 +22,40 @@ public class LindaServer extends UnicastRemoteObject implements LindaRemote {
this.lindaInstance = new CentralizedLinda();
}
public static void main(String[] args) {
Integer port = 4000;
if (args.length == 2) {
port = Integer.parseInt(args[1]);
}
String url = "rmi://localhost:" + port + "/linda";
try {
LindaServer ls = new LindaServer();
LocateRegistry.createRegistry(port);
Naming.rebind(url, ls);
System.out.println("L'instance Linda a été publiée sur le registre (" + url + ") !");
} catch (Exception e) {
e.printStackTrace();
}
}
public void write(Tuple t) {
System.out.println("received write request;" + t);
lindaInstance.write(t);
}
public Tuple take(Tuple template) throws RemoteException {
return lindaInstance.take(template);
Tuple res = lindaInstance.take(template);
System.out.println("received take request, with template: " + template + "\nreturning:" + res);
return res;
}
public Tuple read(Tuple template) throws RemoteException {
return lindaInstance.read(template);
Tuple res = lindaInstance.read(template);
System.out.println("received read request, with template: " + template + "\nreturning:" + res);
return res;
}
public Tuple tryTake(Tuple template) throws RemoteException {
@ -49,7 +74,8 @@ public class LindaServer extends UnicastRemoteObject implements LindaRemote {
return lindaInstance.readAll(template);
}
public void eventRegister(Linda.eventMode mode, Linda.eventTiming timing, Tuple template, Callback callback) throws RemoteException {
public void eventRegister(Linda.eventMode mode, Linda.eventTiming timing, Tuple template, Callback callback)
throws RemoteException {
lindaInstance.eventRegister(mode, timing, template, callback);
}

16
src/main/java/linda/server/SCallback.java Normal file
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@ -0,0 +1,16 @@
package linda.server;
import java.io.Serializable;
import linda.Callback;
import linda.Tuple;
public interface SCallback extends Serializable, Callback {
/**
* Callback when a tuple appears.
* See Linda.eventRegister for details.
*
* @param t the new tuple
*/
void call(Tuple t);
}

8
src/main/java/linda/shm/CentralizedLinda.java
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@ -11,15 +11,13 @@ import java.util.Iterator;
import java.util.List;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.Lock;
class Reveil {
Lock lock = new ReentrantLock();
Tuple template;
Condition condition;
Tuple template;
Reveil(Tuple template) {
this.template = template;
@ -271,7 +269,7 @@ public class CentralizedLinda implements Linda {
}
public void debug(String prefix) {
System.out.println(prefix + tuples);
System.out.println(prefix + tuples.size());
}
}

21
src/test/java/linda/test/ServerTest.java
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@ -1,21 +0,0 @@
package linda.test;
import linda.server.LindaServer;
import java.rmi.*;
import java.rmi.registry.*;
public class ServerTest {
public static void main(String[] args) {
try {
LindaServer ls = new LindaServer();
LocateRegistry.createRegistry(Integer.parseInt(args[1]));
Naming.rebind(args[0], ls);
System.out.println("L'instance Linda a été publié sur le registre (" + args[0] + ") !\n");
} catch (Exception e) {
e.printStackTrace();
}
}
}