/*
* to broadcast a private message to all Clients
*/
private synchronized void broadcastOnlyOne(String message, ChatMessage cm) {
// add HH:mm:ss and \n to the message
String time = sdf.format(new Date());
String messageLf = time + " " + message + "\r\n";
System.out.print(messageLf);
serverGUI.serverTextArea.append(messageLf);
// we loop in reverse order in case we would have to remove a Client
// because it has disconnected
for (int i = al.size(); --i >= 0; ) {
ClientThread ct = al.get(i);
// try to write to the Client if it fails remove it from the list
if (cm.getType() == ChatMessage.ESTABLISHCONNECTION
|| cm.getType() == ChatMessage.ESTABLISHCONNECTIONANDPLAY) {
if (cm.getTO().equalsIgnoreCase(ct.username) && !ct.writeMsg(cm)) {
al.remove(i);
display("Disconnected Client " + ct.username + " removed from list.");
break;
}
} else {
if (cm.getTO().equalsIgnoreCase(ct.username) && !ct.writeMsg(message)) {
al.remove(i);
display("Disconnected Client " + ct.username + " removed from list.");
break;
}
}
}
}
private void doQuery(String cmd) {
// if(cmd.charAt(0) == ' ') cmd = cmd.substring(1);
cmd = cmd.trim();
if (onlineUsers.containsKey(cmd)) {
ClientThread c = (ClientThread) onlineUsers.get(cmd);
writeLine("CHAT *** " + c.getNickname() + " is from " + c.getRemoteAddr() + " ***");
} else {
writeLine("CHAT *** " + cmd + " is UNKNOWN ***");
}
} // doQuery
private void doMsg(String cmd) {
cmd = cmd.trim();
int pos = cmd.indexOf(' '); // find tell whom
if (pos < 0) return; // no message on the line
String dst = cmd.substring(0, pos);
String msg = cmd.substring(pos + 1);
msg = msg.trim();
if (msg == null) msg = " ";
if (onlineUsers.containsKey(dst)) {
ClientThread c = (ClientThread) onlineUsers.get(dst);
c.writeLine("*** [" + myName + "] " + msg);
} else {
writeLine("CHAT *** " + dst + " not in the ROOM ***");
}
}
/*
* to broadcast a message to all Clients
*/
private synchronized void broadcast(String message) {
// add HH:mm:ss and \n to the message
String time = sdf.format(new Date());
String messageLf = time + " " + message + "\n";
System.out.print(messageLf);
serverGUI.serverTextArea.append(messageLf);
// we loop in reverse order in case we would have to remove a Client
// because it has disconnected
for (int i = al.size(); --i >= 0; ) {
ClientThread ct = al.get(i);
// try to write to the Client if it fails remove it from the list
if (!ct.writeMsg(messageLf)) {
al.remove(i);
display("Disconnected Client " + ct.username + " removed from list.");
}
}
}
public void start() {
keepGoing = true;
/* create socket server and wait for connection requests */
try {
// the socket used by the server
ServerSocket serverSocket = new ServerSocket(port);
// infinite loop to wait for connections
while (keepGoing) {
// format message saying we are waiting
display("Server menunggu koneksi Client pada port " + port + ".");
Socket socket = serverSocket.accept(); // accept connection
// if I was asked to stop
if (!keepGoing) break;
ClientThread t = new ClientThread(socket); // make a thread of it
al.add(t); // save it in the ArrayList
t.start();
}
// I was asked to stop
try {
serverSocket.close();
for (int i = 0; i < al.size(); ++i) {
ClientThread tc = al.get(i);
try {
tc.sInput.close();
tc.sOutput.close();
tc.socket.close();
} catch (IOException ioE) {
// not much I can do
}
}
} catch (Exception e) {
display("Exception closing the server and clients: " + e);
}
}
// something went bad
catch (IOException e) {
String msg = sdf.format(new Date()) + " Exception on new ServerSocket: " + e + "\n";
display(msg);
}
}
private void doBcast(String msg) {
for (Enumeration e = onlineUsers.elements(); e.hasMoreElements(); ) {
ClientThread c = (ClientThread) e.nextElement();
if (c != this) c.writeLine(msg);
}
}
private void doList() {
for (Enumeration e = onlineUsers.elements(); e.hasMoreElements(); ) {
ClientThread c = (ClientThread) e.nextElement();
writeLine("CHAT *** [" + c.getNickname() + "@" + c.getRemoteAddr() + "] ***");
} // for
} // doList
/** Run and periodically report status. */
public void run() {
long st = System.currentTimeMillis();
long lasten = st;
long lasttotalops = 0;
boolean alldone;
do {
alldone = true;
int totalops = 0;
// terminate this thread when all the worker threads are done
for (Thread t : _threads) {
if (t.getState() != Thread.State.TERMINATED) {
alldone = false;
}
ClientThread ct = (ClientThread) t;
totalops += ct.getOpsDone();
}
long en = System.currentTimeMillis();
long interval = en - st;
// double throughput=1000.0*((double)totalops)/((double)interval);
double curthroughput =
1000.0 * (((double) (totalops - lasttotalops)) / ((double) (en - lasten)));
lasttotalops = totalops;
lasten = en;
DecimalFormat d = new DecimalFormat("#.##");
if (totalops == 0) {
System.err.println(
_label
+ " "
+ (interval / 1000)
+ " sec: "
+ totalops
+ " operations; "
+ Measurements.getMeasurements().getSummary());
} else {
System.err.println(
_label
+ " "
+ (interval / 1000)
+ " sec: "
+ totalops
+ " operations; "
+ d.format(curthroughput)
+ " current ops/sec; "
+ Measurements.getMeasurements().getSummary());
}
if (_standardstatus) {
if (totalops == 0) {
System.out.println(
_label
+ " "
+ (interval / 1000)
+ " sec: "
+ totalops
+ " operations; "
+ Measurements.getMeasurements().getSummary());
} else {
System.out.println(
_label
+ " "
+ (interval / 1000)
+ " sec: "
+ totalops
+ " operations; "
+ d.format(curthroughput)
+ " current ops/sec; "
+ Measurements.getMeasurements().getSummary());
}
}
try {
sleep(sleeptime);
} catch (InterruptedException e) {
// do nothing
}
} while (!alldone);
}