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Posted 05 December 2009 - 07:01 PM
Remember, these are taking right from Command Prompt from the run.bat file, and I do not know what these mean.
ChatServer.java:4: cannot find symbol
symbol: class ConnectionManager
public class ChatServer extends ConnectionManager {
^
ChatServer.java:26: cannot find symbol
symbol : method getAddress(java.net.Socket)
location: class ChatServer
System.out.println("Connection Accepted from: "
+ getAddress(socket));
^
ChatServer.java:30: cannot find symbol
symbol : variable sockets
location: class ChatServer
sockets[id] = socket;
^
ChatServer.java:66: cannot find symbol
symbol : variable sockets
location: class ChatServer
for (int i = 0; i < sockets.length; i++) { //Happy? It's 0 now.
^
ChatServer.java:67: cannot find symbol
symbol : variable sockets
location: class ChatServer
if (sockets[i] != null) {
^
ChatServer.java:78: cannot find symbol
symbol : method getAddress(java.net.Socket)
location: class ChatServer
if(u != null && getAddress(u.socket) != "0.0.0.0") {
^
UserSocket.java:96: cannot find symbol
symbol : method getAddress(java.net.Socket)
location: class ChatServer
ban = ne
w File("./BannedHosts/" + u.cs.getAddress(socket) + ".dat").createNewFile();
^
UserSocket.java:108: cannot find symbol
symbol : variable sockets
location: class ChatServer
u.cs.soc
kets[u.userID] = null;
^
8 errors
Press any key to continue . . .
All right, now that you know the errors, let me post the code for the files.
ChatServer.java
import java.io.*;
import java.net.*;
public class ChatServer extends ConnectionManager {
public boolean serverRunning = true;
ServerSocket serverSocket = null;
public static User[] users = new User[500];
public ChatServer(int port) throws Exception {
try {
serverSocket = new ServerSocket(port);
System.out.println("ChatServer started on port: "+port);
}
catch (IOException e) {
System.out.println("Could not start server on port: " +port);
System.exit(-1);
}
}
public void run() {
Socket socket = null;
while (serverRunning) {
try {
socket = serverSocket.accept();
socket.setTcpNoDelay(true);
System.out.println("Connection Accepted from: " + getAddress(socket));
int id = getFreeId();
if (id != -1) {
users[id] = new User(socket, id, this);
sockets[id] = socket;
outputAll(users[id].username + " has joined the channel!");
}
else {
socket.close();
}
/*
String filename = ("BannedHosts/" + getAddress(socket) + ".txt");
File banned = new File(filename);
if (banned.exists()) {
try {
users[id].rwSocket.write("\nYou have been banned from this server.\nPlease refer to the hoster for more details.");
}
catch (Exception e) {
}
try {
socket.close();
users[id].destruct();
}
catch (IOException e) {
e.printStackTrace();
}
sockets[id] = null;
users[id] = null;
}
*/ //The ban is messed up... sometimes it says someone is banned when the file is not even there...
}
catch (IOException e) {
System.out.println("Client accept failed.");
System.exit(-1);
}
}
}
public int getFreeId() {
for (int i = 0; i < sockets.length; i++) { //Happy? It's 0 now.
if (sockets[i] != null) {
continue;
}
return i;
}
return -1;
}
public void outputAll(String message) {
int count = 0;
for(User u : users) {
if(u != null && getAddress(u.socket) != "0.0.0.0") {
try {
u.rwSocket.write(message);
}
catch(Exception e) {
}
}
}
}
}
UserSocket.java
import java.net.*;
import java.io.*;
public class UserSocket {
public User user;
public Socket socket;
public InputStream input;
public OutputStream output;
public UserSocket(User p, Socket s) {
user = p;
socket = s;
try {
input = socket.getInputStream();
output = socket.getOutputStream();
} catch (Exception e) {
e.printStackTrace();
}
}
public int read() throws Exception {
if (input == null || input.available() < 1) {
return -1;
}
byte[] userInputB = new byte[input.available()];
input.read(userInputB);
String userInput = new String(userInputB);
String packetId = userInput.substring(0, 2);
handleInput(userInput.substring(2), packetId);
return 0;
}
public void write(byte[] b) throws Exception {
if (socket == null) {
return;
}
output.write(b);
}
public void write(String s) throws Exception {
if (socket == null) {
return;
}
byte[] b = s.getBytes();
output.write(b);
}
public void handleInput(String input, String packetId) {
int packet = Integer.parseInt(packetId);
switch (packet) {
case 10: //Normal Text
if(input != "") {
user.cs.outputAll("10[" + user.username + "]: "+input);
}
break;
case 11: //Username Change
boolean taken = false;
for (User u : user.cs.users) {
if(u != null) {
if(input.equalsIgnoreCase(u.username)) {
taken = true;
try {
write("12That username is in-use!");
}
catch (Exception e) {
e.printStackTrace();
}
return;
}
}
}
if(taken == false && !input.equalsIgnoreCase("server") && !input.contains(";") && !input.contains("\"") && !input.contains("\\") && !input.contains("}")
&& !input.contains("{") && !input.contains("[") && !input.contains("]") && !input.contains(")") && !input.contains("(")) {
user.cs.outputAll("11" + user.username + " is now known as " + input);
user.username = input;
}
else {
try {
write("12That username is invalid!");
}
catch (Exception e) {
e.printStackTrace();
}
}
break;
case 12: //Command (starts with /)
if(input.startsWith("ban")) {
boolean ban = false;
for (User u : user.cs.users) {
if(u != null) {
if(u.username.equalsIgnoreCase(input.substring(4))) {
try {
ban = new File("./BannedHosts/" + u.cs.getAddress(socket) + ".dat").createNewFile();
}
catch (IOException e) {
e.printStackTrace();
}
if(ban) {
user.cs.outputAll("11" + input.substring(4) + " has been ip-banned!");
try {
u.socket.close();
}
catch (IOException e) {
}
u.cs.sockets[u.userID] = null;
u.cs.users[u.userID] = null;
user.destruct();
}
return;
}
}
}
}
break;
case 14: //Quit
System.out.println("14");
user.cs.outputAll("11" + user.username + " has quit.");
break;
}
}
}
User.java
import java.net.*;
import java.io.*;
public class User extends Thread{
public boolean reading = true;
public int userID;
public UserSocket rwSocket;
public PrintWriter print;
public Socket socket;
public String username = getUsername();
public ChatServer cs;
public User(Socket socket, int id, ChatServer cs) {
this.rwSocket = new UserSocket(this, socket);
this.userID = id;
this.print = new PrintWriter(rwSocket.output,
false);
this.start();
this.socket = socket;
this.cs = cs;
}
public void destruct() {
reading = false;
try {
rwSocket.input.close();
rwSocket.output.close();
rwSocket.socket.close();
} catch (Exception e) {}
rwSocket.input = null;
rwSocket.output = null;
rwSocket.socket = null;
rwSocket = null;
this.username = "";
}
public void run() {
while (reading) {
try {
rwSocket.read();
}
catch (Exception e) {
e.printStackTrace();
}
try {
Thread.sleep(1);
}
catch (InterruptedException e) {
System.out.println(e);
}
}
}
public String getUsername() { //Have fun Abraham.
boolean found = false;
String allUsernames = "";
int random = (int) (Math.random() * (20000));
if(random < 10000) {
random += 10000;
}
while(!(found)) {
for (User u : ChatServer.users) {
if(u != null) {
allUsernames +=
u.username;
}
}
if(!(allUsernames.contains(Integer.toString(random)))) {
found = true;
}
else {
random++;
}
}
return ("User" + random);
}
}
StartUp.java
import java.io.*;
public class StartUp {
public static ChatServer ChatServer = null;
public static void main(String[] args) throws IOException {
try {
ChatServer = new ChatServer(Integer.parseInt(args[0]));
ChatServer.run();
}
catch (Exception e) {
e.printStackTrace();
}
}
}
Run.bat
@echo off cd ../ title Server java -Xmx256m -cp . StartUp 43595 pause
Compile.bat
@echo off title Compile "C:\Program Files\Java\jdk1.6.0_16\bin\javac.exe" *.java pause
Thank You for any help appreciated.
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