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refactoring: ajout des fonctionnalités réseaux dans une nouvelle classe NetworkClient séparée

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This commit is contained in:
Louis Farina 2020-12-17 11:39:47 +01:00
parent 9d8032a0cd
commit 8ac8cdd27e
2 changed files with 332 additions and 282 deletions
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324
src/chat/ClientWindow.java
View file

@ -12,171 +12,8 @@ import java.util.*;
import chat.User;
class SendThread extends Thread {
String username;
String address;
String message;
int port;
SendThread(String in_username, String in_address, String in_message, int in_port)
{
username = in_username;
address = in_address;
message = in_message;
port = in_port;
}
public void run()
{
Socket link;
Boolean connected = false;
PrintWriter out;
while(!connected)
{
try
{
link = new Socket(address, port);
out = new PrintWriter(link.getOutputStream(),true);
out.println(username + " : " + message);
connected = true;
}
catch(IOException e)
{
System.out.println("nik1!");
connected = false;
}
}
}
}
class ReceiveThread extends Thread {
int port;
JTextArea displayArea;
ReceiveThread(int in_port, JTextArea in_displayArea)
{
port = in_port;
displayArea = in_displayArea;
}
public void run()
{
try
{
ServerSocket servSocket = new ServerSocket(port);
Boolean exit = false;
while(!exit)
{
Socket link = servSocket.accept();
BufferedReader in = new BufferedReader(new InputStreamReader(link.getInputStream()));
String message = in.readLine();
displayArea.append(message + "\n");
displayArea.setCaretPosition(displayArea.getDocument().getLength());
link.close();
}
}
catch(IOException e)
{
System.out.println("nik2 !");
}
}
}
class ConnectionListenerThread extends Thread {
int port;
JTextArea displayArea;
User user;
ConnectionListenerThread(User in_user)
{
user = in_user;
}
public void run()
{
Boolean exit = false;
byte[] buffer = new byte[100];
DatagramPacket request = new DatagramPacket(buffer, buffer.length);
DatagramPacket responsePacket1;
DatagramPacket responsePacket2;
DatagramSocket requestSocket;
DatagramSocket responseSocket;
ByteArrayOutputStream bStream1;
ByteArrayOutputStream bStream2;
ObjectOutput oo1;
ObjectOutput oo2;
String username;
byte[] response1, response2;
try
{
requestSocket = new DatagramSocket(1234);
responseSocket = new DatagramSocket();
while(!exit)
{
try
{
bStream1 = new ByteArrayOutputStream();
bStream2 = new ByteArrayOutputStream();
oo1 = new ObjectOutputStream(bStream1);
oo2 = new ObjectOutputStream(bStream2);
System.out.println("Waiting for connection request");
requestSocket.receive(request);
username = new String(request.getData(), 0, request.getLength());
InetAddress clientAddress= request.getAddress();
System.out.println("Received a request from " + username + "@" + clientAddress.getHostAddress());
if(!user.findUser(username))
{
oo1.writeObject(user.getUsers());
response1 = bStream1.toByteArray();
responsePacket1 = new DatagramPacket(response1, response1.length, clientAddress, 1337);
responseSocket.send(responsePacket1);
oo2.writeObject(user.getHosts());
response2 = bStream2.toByteArray();
responsePacket2 = new DatagramPacket(response2, response2.length, clientAddress, 1338);
responseSocket.send(responsePacket2);
user.add_to_known_users(username, clientAddress.getHostAddress());
}
}
catch(SocketTimeoutException e) {}
}
}
catch(Exception e)
{
System.out.println("nik!!");
}
}
}
public class ClientWindow implements ActionListener {
String getLocalIP() {
String ip = "";
try(final DatagramSocket socket = new DatagramSocket()){
socket.connect(InetAddress.getByName("8.8.8.8"), 10002);
ip = socket.getLocalAddress().getHostAddress();
}
catch(Exception e)
{
System.out.println("niiiiiiiikkk");
}
return ip;
}
JFrame chatWindow;
@ -188,100 +25,15 @@ public class ClientWindow implements ActionListener {
JTextField messageField;
JButton sendButton;
User user = new User("");
NetworkClient network;
ClientWindow()
{
String username = "";
Boolean connected = false;
DatagramSocket connectionSocket;
DatagramSocket userListSocket;
DatagramSocket hostListSocket;
DatagramPacket connectionRequest;
DatagramPacket userListPacket;
DatagramPacket hostListPacket;
ObjectInputStream userListStream;
ObjectInputStream hostListStream;
ArrayList<String> userList;
ArrayList<String> hostList;
byte[] buffer1 = new byte[20000];
byte[] buffer2 = new byte[20000];
while (!connected)
{
username = JOptionPane.showInputDialog(chatWindow,
"Enter a username",
"POPUPOPOPUPUPOPOPUP",
JOptionPane.PLAIN_MESSAGE);
try
{
connectionSocket = new DatagramSocket();
userListSocket = new DatagramSocket(1337);
hostListSocket = new DatagramSocket(1338);
userListSocket.setSoTimeout(500);
hostListSocket.setSoTimeout(500);
connectionRequest = new DatagramPacket(username.getBytes(), username.length(),
InetAddress.getByName("25.255.255.255"), 1234);
System.out.println("Sending connection request");
connectionSocket.send(connectionRequest);
try
{
userListPacket = new DatagramPacket(buffer1, buffer1.length);
hostListPacket = new DatagramPacket(buffer2, buffer2.length);
System.out.println("Waiting for reply");
userListSocket.receive(userListPacket);
hostListSocket.receive(hostListPacket);
System.out.println("Received a reply from " + userListPacket.getAddress().getHostAddress());
userListStream = new ObjectInputStream(new ByteArrayInputStream(userListPacket.getData()));
hostListStream = new ObjectInputStream(new ByteArrayInputStream(hostListPacket.getData()));
userList = (ArrayList<String>) userListStream.readObject();
hostList = (ArrayList<String>) hostListStream.readObject();
if (userList.indexOf(username) != -1)
connected = false;
else
{
System.out.println(userList.size() + " users currently connected");
for(int i = 0;i < userList.size();i ++)
{
System.out.println(userList.get(i) + " : " + hostList.get(i));
user.add_to_known_users(userList.get(i), hostList.get(i));
}
user.add_to_known_users(username, getLocalIP());
connected = true;
}
}
catch(SocketTimeoutException e)
{
user.add_to_known_users(username, getLocalIP());
System.out.println("Reply timed out");
connected = true;
}
}
catch (SocketException e2)
{
System.out.println(e2.getMessage());
}
catch (Exception e3)
{
System.out.println(e3.getMessage());
}
}
user.setpseudo(username);
Boolean connected = false;
String username = "";
chatWindow = new JFrame("Système de clavardage 2.0.1");
chatPanel = new JPanel(new BorderLayout(2, 2));
chatText = new JTextArea(1,1);
textScroll = new JScrollPane(chatText);
@ -289,34 +41,44 @@ public class ClientWindow implements ActionListener {
sendPanel = new JPanel(new BorderLayout(1, 2));
messageField = new JTextField();
sendButton = new JButton("Envoyer");
sendButton.addActionListener(this);
messageField.addActionListener(this);
sendPanel.add(messageField);
sendPanel.add(sendButton, BorderLayout.EAST);
network = new NetworkClient(chatText);
while(!connected && username != null)
{
username = JOptionPane.showInputDialog(chatWindow,
"Enter a username",
"POPUPOPOPUPUPOPOPUP",
JOptionPane.PLAIN_MESSAGE);
connected = network.connect(username);
}
chatWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
chatText.setLineWrap(true);
chatText.setEditable(false);
chatPanel.add(textScroll);
chatPanel.add(sendPanel, BorderLayout.SOUTH);
chatWindow.getContentPane().add(chatPanel, BorderLayout.CENTER);
if(username != null)
{
sendButton.addActionListener(this);
messageField.addActionListener(this);
//Display the window.
chatWindow.pack();
chatWindow.setVisible(true);
chatWindow.setSize(new Dimension(1024, 768));
sendPanel.add(messageField);
sendPanel.add(sendButton, BorderLayout.EAST);
chatWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ReceiveThread t2 = new ReceiveThread(1237, chatText);
ConnectionListenerThread t3 = new ConnectionListenerThread(user);
t2.start();
t3.start();
chatText.setLineWrap(true);
chatText.setEditable(false);
chatPanel.add(textScroll);
chatPanel.add(sendPanel, BorderLayout.SOUTH);
chatWindow.getContentPane().add(chatPanel, BorderLayout.CENTER);
//Display the window.
chatWindow.pack();
chatWindow.setVisible(true);
chatWindow.setSize(new Dimension(1024, 768));
}
}
public static void main (String [] args)
{
@ -327,12 +89,10 @@ public class ClientWindow implements ActionListener {
public void actionPerformed(ActionEvent event) {
String message = messageField.getText();
messageField.setText("");
for(String address:user.getHosts())
if(message.compareTo("") != 0)
{
SendThread t1 = new SendThread(user.getpseudo(), address, message, 1237);
t1.start();
messageField.setText("");
network.send(message);
}
}
}

290
src/chat/NetworkClient.java Normal file
View file

@ -0,0 +1,290 @@
package chat;
import java.net.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import chat.User;
class SendThread extends Thread {
String username;
String address;
String message;
int port;
SendThread(String in_username, String in_address, String in_message, int in_port)
{
username = in_username;
address = in_address;
message = in_message;
port = in_port;
}
public void run()
{
Socket link;
Boolean connected = false;
PrintWriter out;
while(!connected)
{
try
{
link = new Socket(address, port);
out = new PrintWriter(link.getOutputStream(),true);
out.println(username + " : " + message);
connected = true;
}
catch(IOException e)
{
System.out.println("nik1!");
connected = false;
}
}
}
}
class ReceiveThread extends Thread {
int port;
JTextArea displayArea;
ReceiveThread(int in_port, JTextArea in_displayArea)
{
port = in_port;
displayArea = in_displayArea;
}
public void run()
{
try
{
ServerSocket servSocket = new ServerSocket(port);
Boolean exit = false;
while(!exit)
{
Socket link = servSocket.accept();
BufferedReader in = new BufferedReader(new InputStreamReader(link.getInputStream()));
String message = in.readLine();
displayArea.append(message + "\n");
displayArea.setCaretPosition(displayArea.getDocument().getLength());
link.close();
}
}
catch(IOException e)
{
System.out.println("nik2 !");
}
}
}
class ConnectionListenerThread extends Thread {
int port;
JTextArea displayArea;
User user;
ConnectionListenerThread(User in_user)
{
user = in_user;
}
public void run()
{
Boolean exit = false;
byte[] buffer = new byte[100];
DatagramPacket request = new DatagramPacket(buffer, buffer.length);
DatagramPacket responsePacket1;
DatagramPacket responsePacket2;
DatagramSocket requestSocket;
DatagramSocket responseSocket;
ByteArrayOutputStream bStream1;
ByteArrayOutputStream bStream2;
ObjectOutput oo1;
ObjectOutput oo2;
String username;
byte[] response1, response2;
try
{
requestSocket = new DatagramSocket(1234);
responseSocket = new DatagramSocket();
while(!exit)
{
try
{
bStream1 = new ByteArrayOutputStream();
bStream2 = new ByteArrayOutputStream();
oo1 = new ObjectOutputStream(bStream1);
oo2 = new ObjectOutputStream(bStream2);
System.out.println("Waiting for connection request");
requestSocket.receive(request);
username = new String(request.getData(), 0, request.getLength());
InetAddress clientAddress= request.getAddress();
System.out.println("Received a request from " + username + "@" + clientAddress.getHostAddress());
if(!user.findUser(username))
{
oo1.writeObject(user.getUsers());
response1 = bStream1.toByteArray();
responsePacket1 = new DatagramPacket(response1, response1.length, clientAddress, 1337);
responseSocket.send(responsePacket1);
oo2.writeObject(user.getHosts());
response2 = bStream2.toByteArray();
responsePacket2 = new DatagramPacket(response2, response2.length, clientAddress, 1338);
responseSocket.send(responsePacket2);
user.add_to_known_users(username, clientAddress.getHostAddress());
}
}
catch(SocketTimeoutException e) {}
}
}
catch(Exception e)
{
System.out.println("nik!!");
}
}
}
public class NetworkClient {
static String getLocalIP() {
String ip = "";
try(final DatagramSocket socket = new DatagramSocket()){
socket.connect(InetAddress.getByName("8.8.8.8"), 10002);
ip = socket.getLocalAddress().getHostAddress();
}
catch(Exception e)
{
System.out.println("niiiiiiiikkk");
}
return ip;
}
User user;
JTextArea chatText;
NetworkClient(JTextArea in_chatText)
{
user = new User("");
chatText = in_chatText;
}
Boolean connect(String username)
{
Boolean connected = false;
DatagramSocket connectionSocket;
DatagramSocket userListSocket;
DatagramSocket hostListSocket;
DatagramPacket connectionRequest;
DatagramPacket userListPacket;
DatagramPacket hostListPacket;
ObjectInputStream userListStream;
ObjectInputStream hostListStream;
ArrayList<String> userList;
ArrayList<String> hostList;
byte[] buffer1 = new byte[20000];
byte[] buffer2 = new byte[20000];
if(username == null || username.compareTo("") == 0)
return false;
try
{
connectionSocket = new DatagramSocket();
userListSocket = new DatagramSocket(1337);
hostListSocket = new DatagramSocket(1338);
userListSocket.setSoTimeout(500);
hostListSocket.setSoTimeout(500);
connectionRequest = new DatagramPacket(username.getBytes(), username.length(),
InetAddress.getByName("25.255.255.255"), 1234);
System.out.println("Sending connection request");
connectionSocket.send(connectionRequest);
try
{
userListPacket = new DatagramPacket(buffer1, buffer1.length);
hostListPacket = new DatagramPacket(buffer2, buffer2.length);
System.out.println("Waiting for reply");
userListSocket.receive(userListPacket);
hostListSocket.receive(hostListPacket);
System.out.println("Received a reply from " + userListPacket.getAddress().getHostAddress());
userListStream = new ObjectInputStream(new ByteArrayInputStream(userListPacket.getData()));
hostListStream = new ObjectInputStream(new ByteArrayInputStream(hostListPacket.getData()));
userList = (ArrayList<String>) userListStream.readObject();
hostList = (ArrayList<String>) hostListStream.readObject();
if (userList.indexOf(username) != -1)
connected = false;
else
{
System.out.println(userList.size() + " users currently connected");
for(int i = 0;i < userList.size();i ++)
{
System.out.println(userList.get(i) + " : " + hostList.get(i));
user.add_to_known_users(userList.get(i), hostList.get(i));
}
user.add_to_known_users(username, getLocalIP());
connected = true;
}
}
catch(SocketTimeoutException e)
{
user.add_to_known_users(username, getLocalIP());
System.out.println("Reply timed out");
connected = true;
}
}
catch (SocketException e2)
{
System.out.println(e2.getMessage());
}
catch (Exception e3)
{
System.out.println(e3.getMessage());
}
if(connected)
{
user.setpseudo(username);
ReceiveThread t2 = new ReceiveThread(1237, chatText);
ConnectionListenerThread t3 = new ConnectionListenerThread(user);
t2.start();
t3.start();
}
return connected;
}
void send (String message)
{
for(String address:user.getHosts())
{
SendThread t1 = new SendThread(user.getpseudo(), address, message, 1237);
t1.start();
}
}
}