public void leave() {
try {
// int id = ChatServer.getClientID(name);
// ChatServer.sendAll(CS + "e" + name + " has left the ChatServer");
ChatServer.sendOne(clientID, "kick");
ChatServer.removeClient(clientID);
ChatServer.updateUsers();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* close: close the socket and stream
*
* @return: true for success, false for error
*/
protected boolean close() {
_dlog("Do main thread closing...");
if (_sock != null && !_sock.isClosed()) {
_dlog("Closing the receiving thread");
try {
_sock.close();
_in.close();
_out.close();
_sock = null;
_in = null;
_out = null;
_dlog("Success!");
} catch (IOException e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
return false;
}
}
_sock = null;
_in = null;
_out = null;
_dlog("Cancel the user input thread");
if (_userNet != null) {
_userNet.stop();
_userNet.join(); // guaranteed to be closed
_userNet = null;
}
if (_userSock != null && !_userSock.isClosed()) {
_dlog("Closing the user input thread");
// Stop the user thread
try {
_userSock.close();
_userIn.close();
_userOut.close();
_userSock = null;
_userIn = null;
_userOut = null;
_dlog("Success!");
} catch (IOException e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
return false;
}
}
_userSock = null;
_userIn = null;
_userOut = null;
/* Cancel all client nodes */
_dlog("Finished");
return true;
/* CAUTION: _server is never cleared */
}
public void handleMessageFromClientUI(Object message) {
String parsed = "";
if (!((Message) message).message.startsWith("#") && isConnected()) {
super.handleMessageFromClientUI(message);
return;
}
{
parsed = ((Message) message).message.substring(1);
if (parsed.equals("quit")) {
try {
closeConnection();
} catch (IOException ex) {
ex.printStackTrace();
System.exit(1);
}
System.exit(0);
} else if (parsed.equals("logoff")) {
try {
closeConnection();
} catch (IOException ex) {
ex.printStackTrace();
System.exit(1);
}
} else if (parsed.equals("login")) {
if (isConnected()) {
System.out.println("Error: Already connected");
return;
}
try {
openConnection();
} catch (IOException ex) {
System.out.println("Error: " + ex.getMessage());
ex.printStackTrace();
}
} else if (parsed.startsWith("sethost")) {
if (isConnected()) {
System.out.println("Error: Already connected");
return;
} else {
String host = "";
try {
host = parsed.split(" ")[1];
} catch (ArrayIndexOutOfBoundsException ex) {
System.out.println("Error: Must specify host");
return;
}
setHost(host);
}
} else if (parsed.startsWith("setport")) {
if (isConnected()) {
System.out.println("Error: Already connected");
return;
}
int port = 0;
try {
port = Integer.parseInt(parsed.split(" ")[1]);
} catch (ArrayIndexOutOfBoundsException ex) {
System.out.println("Error: Must specify port");
return;
}
setPort(port);
} else if (parsed.equals("getport")) {
System.out.println("Port: " + getPort());
} else if (parsed.equals("gethost")) {
System.out.println("Host: " + getHost());
}
}
}
/**
* connect: connect to the master
*
* @return: true for success and false for failure
*/
protected boolean connect() {
boolean connected = true;
try {
_sock = new Socket(_serverIP, _serverPort);
_out = new PrintWriter(_sock.getOutputStream(), true);
_in = new BufferedReader(new InputStreamReader(_sock.getInputStream()));
String reply = sendAll();
if (!reply.equals(ProtocolConstants.PACK_STR_CONFIRM_HEAD)) {
/* Tokenize */
StringTokenizer st = new StringTokenizer(reply);
if (st.nextToken().equals(ProtocolConstants.PACK_STR_ERRMES_HEAD)) {
_elog(st.nextToken());
return false;
}
}
_userSock = new Socket(_serverIP, _serverPort);
_userOut = new PrintWriter(_userSock.getOutputStream(), true);
_userIn = new BufferedReader(new InputStreamReader(_userSock.getInputStream()));
String replyUser = sendUserID();
if (!replyUser.equals(ProtocolConstants.PACK_STR_CONFIRM_HEAD)) {
throw new Exception("Not confirmed");
}
} catch (UnknownHostException e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
connected = false;
} catch (IOException e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
connected = false;
} catch (Exception e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
connected = false;
}
if (!connected) {
return connected;
}
if (!connected) {
/* Remove the pair of socket */
_sock = null;
_in = null;
_out = null;
_userSock = null;
_userOut = null;
_userIn = null;
}
return connected;
}