Привет, подскажите как правильно запускать чат?
Я делаю так:
Запускаю Server и ввожу:
8080
Server started
Потом запускаю Client и ввожу:
localhost
8080
Bob
После этого появляется ошибка:
java.io.IOException: Unexpected MessageType
Произошла ошибка во время работы клиента.
at com.javarush.task.task30.task3008.client.Client$SocketThread.clientHandshake(Client.java:78)
at com.javarush.task.task30.task3008.client.Client$SocketThread.run(Client.java:103)package com.javarush.task.task30.task3008;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import static com.javarush.task.task30.task3008.MessageType.*;
public class Server {
private static Map<String, Connection> connectionMap = new ConcurrentHashMap<>();
public static void main(String[] args) {
try {
try (
ServerSocket serverSocket = new ServerSocket(ConsoleHelper.readInt())) {
ConsoleHelper.writeMessage("Server started");
while (true) {
new Handler(serverSocket.accept()).start();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static void sendBroadcastMessage(Message message) {
try {
for (Map.Entry<String, Connection> entry : connectionMap.entrySet()) {
entry.getValue().send(message);
}
} catch (IOException e) {
System.out.println("Can not send message");
}
}
private static class Handler extends Thread {
private Socket socket;
public Handler(Socket socket) {
this.socket = socket;
}
public void run() {
ConsoleHelper.writeMessage("Installed connection to " + socket.getRemoteSocketAddress());
String userName = "";
try {
try (
Connection connection = new Connection(socket)) {
userName = serverHandshake(connection);
connectionMap.put(userName, connection);
sendBroadcastMessage(new Message(USER_ADDED, userName));
notifyUsers(connection, userName);
serverMainLoop(connection, userName);
}
} catch (IOException e) {
ConsoleHelper.writeMessage("произошла ошибка при обмене данными с удаленным адресом");
e.printStackTrace();
} catch (ClassNotFoundException e) {
ConsoleHelper.writeMessage("произошла ошибка при обмене данными с удаленным адресом");
e.printStackTrace();
}
connectionMap.remove(userName);
sendBroadcastMessage(new Message(USER_REMOVED, userName));
ConsoleHelper.writeMessage("Соединение закрыто");
}
private String serverHandshake(Connection connection) throws IOException, ClassNotFoundException {
Message response = null;
while (true) {
connection.send(new Message(NAME_REQUEST));
response = connection.receive();
if (response.getType().equals(MessageType.USER_NAME)) {
if (!response.getData().equals("") &&
response.getData() != null && !connectionMap.containsKey(response.getData())) {
connectionMap.put(response.getData(), connection);
connection.send(new Message(NAME_ACCEPTED));
break;
}
}
}
return response.getData();
}
private void notifyUsers(Connection connection, String userName) {
for (Map.Entry<String, Connection> entry : connectionMap.entrySet()) {
Message notifyMessage = new Message(USER_ADDED, entry.getKey());
try {
if (!entry.getKey().equals(userName))
connection.send(notifyMessage);
} catch (IOException e) {
e.printStackTrace();
}
}
}
private void serverMainLoop(Connection connection, String userName) throws IOException, ClassNotFoundException {
Message receivedMessage = null;
while (true) {
receivedMessage = connection.receive();
if (receivedMessage.getType() == MessageType.TEXT) {
String data = userName + ":" + " " + receivedMessage.getData();
Message sendMessage = new Message(MessageType.TEXT, data);
sendBroadcastMessage(sendMessage);
} else {
ConsoleHelper.writeMessage("error");
}
}
}
}
}