[Java Communication] Server & Client

스레드가 어려움
몇시간을 해도 통신이 잘 안됨
등등

프로젝트를 진행하면서 이런 문제점이 생길거 같아서 미리 이클래스를 작성 하였습니다.

현재로도 하나의 테스트 프로그램만을 작성해 보았으므로

다른 프로그램에서는 어떻게 동작할지는 예상할 수 없습니다 ^^;;

작성해본 간단한 채팅 프로그램의 서버와 클라이언트 입니다.

이것만 보셔도 대충 이해가 가실거라고 생각 됩니다.

--- Server ---

package yhg.comm.test;

import java.io.IOException;

import yhg.comm.message.MSGChat;
import yhg.comm.message.MSGEnterClient;
import yhg.comm.message.MSGLeaveClient;
import yhg.comm.message.Message;
import yhg.comm.server.CommClientManager;
import yhg.comm.server.CommServer;
import yhg.comm.server.ICommClientManagerEvent;
import yhg.comm.server.ICommServerEvent;

public class ChatServer {
	public static void main(String[] args){
		try {
			final CommServer server = new CommServer(1000);
			
			server.setClientManagerEvent(new ICommClientManagerEvent(){
				public void onReceiveMessage(CommClientManager cm, Message msg) {
					int sender = server.getClientNumber(cm);
					MSGChat content = (MSGChat)msg;
					
					System.out.println("["+cm.getSocket().getLocalAddress().toString()+"] receive Message : "+msg);
					
					switch(msg.getType()){
						case Message.type_MSGChat:
							MSGChat chat = new MSGChat();
							chat.setMessage("["+sender+"] "+content.getMessage());
							
							try {
								server.sendAll(sender, chat);
							} catch (IOException e) {
								e.printStackTrace();
							}
							break;
					}
				}
				
				public void onSendMessage(CommClientManager cm, Message msg) {
					
				}
			});
			server.setServerEvent(new ICommServerEvent(){
				public void onEnterClient(CommClientManager cm) {
					int newClient = server.getClientNumber(cm);
					MSGEnterClient ent = new MSGEnterClient();
					ent.setNumber(newClient);
					
					try {
						server.sendAll(newClient, ent);
						System.out.println("["+cm.getLocalAddress().toString()+"] Connect");
					} catch (IOException e) {
						e.printStackTrace();
					}
				}

				public void onLeaveClient(CommClientManager cm) {
					int clientNum = server.getClientNumber(cm);
					MSGLeaveClient ent = new MSGLeaveClient();
					ent.setNumber(clientNum);
					
					try {
						server.sendAll(clientNum, ent);
						System.out.println("["+cm.getLocalAddress().toString()+"] Disconnect");
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			});
			
			server.start();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

--- Client ---

package yhg.comm.test;

import java.io.IOException;
import java.net.UnknownHostException;
import java.util.NoSuchElementException;
import java.util.Scanner;

import yhg.comm.client.CommClient;
import yhg.comm.client.ICommClientEvent;
import yhg.comm.message.MSGChat;
import yhg.comm.message.MSGEnterClient;
import yhg.comm.message.MSGLeaveClient;
import yhg.comm.message.Message;

public class ChatClient {
	public static void main(String[] args){
		try {
			CommClient client = new CommClient("127.0.0.1",1000);
			client.setClientEvent(new ICommClientEvent(){
				public void onReceiveMessage(Message msg) {
					try{
						switch(msg.getType()){
							case Message.type_MSGEnterClient:
								MSGEnterClient enterMsg = (MSGEnterClient)msg;
								System.out.println("-- "+enterMsg.getNumber()+" 님이 입장 하였습니다 --");
								break;
							case Message.type_MSGLeaveClient:
								MSGLeaveClient leaveMsg = (MSGLeaveClient)msg;
								System.out.println("-- "+leaveMsg.getNumber()+" 님이 퇴장 하였습니다 --");
							case Message.type_MSGChat:
								MSGChat chat = (MSGChat)msg;
								System.out.println(chat.getMessage());
								break;
						}
					} catch(ClassCastException e){}
				}

				public void onSendMessage(Message msg) {
					
				}
			});
			client.start();
			
			Scanner scanner = new Scanner(System.in);
			
			while(true){
				String input = scanner.next();
				
				if(!input.equals("")){
					MSGChat chat = new MSGChat();
					chat.setMessage(input);
					client.send(chat);
				}
			}
		} catch (UnknownHostException e) {
		} catch (IOException e) {
		} catch (NoSuchElementException e){
		}
	}
}

문제점이 있으시면 바로바로 알려주세요~

YHGCommunication.jar