Merge branch 'WIP-end-etape2' of flavien/Projet_JAVA_P2P_STRI2A into master
Gitea
commit
3be723f90b
@ -0,0 +1,88 @@
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package tools;
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import java.net.InetAddress;
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import java.net.SocketException;
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import java.net.Socket;
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import java.net.DatagramSocket;
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import java.net.UnknownHostException;
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import java.io.IOException;
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/** Class to store hostnames + ports
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* @author Louis Royer
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* @author Flavien Haas
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* @author JS Auge
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* @version 1.0
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*/
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public class HostItem {
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private String hostname;
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private int port;
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private Socket tcpSocket;
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private DatagramSocket udpSocket;
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/** Constructor with hostname and port
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* @param hostname Hostname
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* @param port Port
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*/
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public HostItem(String hostname, int port) {
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this.port = port;
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this.hostname = hostname;
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}
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/** Get TCP Socket.
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* @return TCP Socket
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*/
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public Socket getTCPSocket() {
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if (tcpSocket == null) {
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try {
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tcpSocket = new Socket(InetAddress.getByName(hostname), port);
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} catch (SocketException e) {
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System.err.println("Error: No TCP socket available.");
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System.exit(-1);
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} catch (UnknownHostException e) {
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System.err.println("Error: Unknown host.");
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System.exit(-1);
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} catch (IOException e) {
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System.err.println("Error: Cannot create TCP socket");
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System.exit(-1);
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}
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}
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return tcpSocket;
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}
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/** Closes tcp socket
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*/
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public void closeTCPSocket() {
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if (tcpSocket != null) {
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try {
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tcpSocket.close();
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} catch (IOException e2) {
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System.err.println("Error: cannot close socket");
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}
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}
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tcpSocket = null;
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}
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/** Get UDP Socket
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* return UDP Socket
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*/
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public DatagramSocket getUDPSocket() {
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if (udpSocket == null) {
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try {
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udpSocket = new DatagramSocket();
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udpSocket.connect(InetAddress.getByName(hostname), port);
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} catch (SocketException e) {
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System.err.println("Error: No UDP socket available.");
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System.exit(-1);
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} catch (UnknownHostException e) {
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System.err.println("Error: Unknown host.");
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System.exit(-1);
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}
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}
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return udpSocket;
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}
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public void closeUDPSocket() {
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if (udpSocket != null) {
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udpSocket.close();
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}
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udpSocket = null;
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}
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}
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@ -0,0 +1,55 @@
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package tools;
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import java.util.Scanner;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.InputMismatchException;
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import tools.HostItem;
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/** Helper to get the server list from the user
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* @author Louis Royer
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* @author Flavien Haas
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* @author JS Auge
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* @version 1.0
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*/
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public class HostList {
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/**
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* Let the user enter all server and puts it in a list
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* @return list of servers
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*/
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public static List<HostItem> getServList() {
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List<HostItem> serverList = new ArrayList<HostItem>();
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Scanner scanner = new Scanner(System.in);
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String servName;
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int port = 0;
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do {
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System.out.println("Enter hostname of next server: (or \"stop\" when finished, default: localhost).");
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servName = scanner.nextLine();
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if (servName.equals("")) {
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servName = "localhost";
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}
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if (!servName.equals("stop")) {
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boolean err = false;
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do {
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System.out.println("Enter port for this server");
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try {
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port = scanner.nextInt();
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scanner.nextLine();
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if (port > 65535 || port <= 0) {
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err = true;
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System.out.println("Port number must be in 1-65535 range. Try again.");
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} else {
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err = false;
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}
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} catch (InputMismatchException e) {
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System.out.println("Invalid number. Try again.");
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err = true;
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}
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} while (err);
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serverList.add(new HostItem(servName, port));
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}
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} while (!servName.equals("stop"));
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return serverList;
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}
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}
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