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Send conected clients via udp

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This commit is contained in:
Guilherme Werner
2023-06-15 14:36:15 -03:00
parent ae672bf4e7
commit eeb468b337
2 changed files with 47 additions and 5 deletions
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35
src/main/java/org/example/ServerApp.java
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@ -6,6 +6,7 @@ import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
@ -86,12 +87,15 @@ public class ServerApp {
public void run() {
try {
byte[] buffer = new byte[1024];
DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
while (true) {
DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
datagramSocket.receive(packet);
String message = new String(packet.getData(), 0, packet.getLength());
broadcastTCPMessage(message, null);
String request = new String(packet.getData(), 0, packet.getLength());
if (request.equals("GET_CLIENTS")) {
sendClientList(packet.getAddress(), packet.getPort());
}
}
} catch (IOException e) {
e.printStackTrace();
@ -99,6 +103,20 @@ public class ServerApp {
datagramSocket.close();
}
}
private void sendClientList(InetAddress address, int port) {
StringBuilder clientList = new StringBuilder();
for (ClientHandler client : clients) {
clientList.append(client.getClientName()).append("\n");
}
byte[] buffer = clientList.toString().getBytes();
DatagramPacket packet = new DatagramPacket(buffer, buffer.length, address, port);
try {
datagramSocket.send(packet);
} catch (IOException e) {
e.printStackTrace();
}
}
}
private class ClientHandler extends Thread {
@ -106,11 +124,16 @@ public class ServerApp {
private DatagramSocket datagramSocket;
private BufferedReader in;
private PrintWriter out;
private String clientName;
public ClientHandler(Socket socket) {
this.clientSocket = socket;
}
public String getClientName() {
return clientName;
}
@Override
public void run() {
try {
@ -118,6 +141,9 @@ public class ServerApp {
out = new PrintWriter(clientSocket.getOutputStream(), true);
datagramSocket = new DatagramSocket();
clientName = in.readLine();
broadcastTCPMessage(clientName + " entrou no chat.", this);
String clientMessage;
while ((clientMessage = in.readLine()) != null) {
broadcastTCPMessage(clientMessage, this);
@ -143,7 +169,8 @@ public class ServerApp {
public void sendUDPMessage(String message) {
try {
byte[] buffer = message.getBytes();
DatagramPacket packet = new DatagramPacket(buffer, buffer.length, clientSocket.getInetAddress(), UDP_PORT);
DatagramPacket packet = new DatagramPacket(buffer, buffer.length, clientSocket.getInetAddress(),
UDP_PORT);
datagramSocket.send(packet);
} catch (IOException e) {
e.printStackTrace();