@Override
public void run() {
isActive = true;
try {
serverSocket = new ServerSocket(Utils.getLOCAL_PORT());
notifyStatusListeners(
Messages.getInstance()
.getString(
"T_NET_SERVER_LISTENING_ON_PORT",
Integer.toString(Utils.getLOCAL_PORT()))); // $NON-NLS-1$
} catch (IOException e) {
if (e instanceof BindException) {
notifyStatusListeners(
Messages.getInstance()
.getString(
"T_PORT_ALREADY_IN_USE",
Integer.toString(Utils.getLOCAL_PORT()))); // $NON-NLS-1$
} else e.printStackTrace();
isActive = false;
}
while (isActive) {
try {
listenSocket = serverSocket.accept();
ois = new ObjectInputStream(listenSocket.getInputStream());
oos = new ObjectOutputStream(listenSocket.getOutputStream());
receivedMessage = ois.readInt();
System.out.println(messageToString(receivedMessage));
switch (receivedMessage) {
case CONNECT:
handleConnect();
break;
case SEND_CODE:
handleSendCode();
break;
case KEEP_ALIVE:
handleKeepAlive();
break;
case DISCONNECT:
handleDisconnect();
break;
}
ois.close();
oos.close();
} catch (IOException e) {
System.out.println(e.getMessage());
} finally {
if (listenSocket != null)
try {
listenSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
@Override
public boolean shield(Segment otherSegment) {
boolean shielded = false;
AliveAgent thisAgent = getThisAgent();
if (isAlive() && thisAgent.useEnergy(Utils.getBLUE_ENERGY_CONSUMPTION())) {
thisAgent.setColor(Color.BLUE);
shielded = true;
}
return shielded;
}
public void setAcceptConnections(boolean newAcceptConnections) {
if (newAcceptConnections != acceptConnections) {
acceptConnections = newAcceptConnections;
notifyStatusListeners(
Messages.getInstance()
.getString(
"T_NET_SERVER_LISTENING_ON_PORT", //$NON-NLS-1$
Integer.toString(Utils.getLOCAL_PORT())));
if (newAcceptConnections) startServer();
else if (getConnections().isEmpty()) closeServer();
}
}
private void handleConnect() {
try {
int program_version = ois.readInt();
port = ois.readInt();
address = listenSocket.getInetAddress();
netCode = ois.readInt();
Connection c = checkConnectionNetCode();
if (c != null) {
oos.writeInt(ALREADY_CONNECTED);
oos.flush();
System.out.println("->ALREADY_CONNECTED"); // $NON-NLS-1$
} else {
if (isAcceptingConnections()) {
if (connections.size() < Utils.getMAX_CONNECTIONS()) {
if (Utils.VERSION == program_version) {
Connection newConnection = newConnection();
if (newConnection != null) {
oos.writeInt(CONNECTED);
newConnection.setState(Connection.STATE_CONNECTED);
System.out.println("->CONNECTED"); // $NON-NLS-1$
} else {
oos.writeInt(ALREADY_CONNECTED);
System.out.println("->ALREADY_CONNECTED"); // $NON-NLS-1$
}
oos.flush();
} else {
oos.writeInt(INCOMPATIBLE_PROGRAM_VERSION);
oos.flush();
System.out.println("->INCOMPATIBLE_PROGRAM_VERSION"); // $NON-NLS-1$
}
} else {
oos.writeInt(TOO_MANY_CONNECTIONS);
oos.flush();
System.out.println("->TOO_MANY_CONNECTIONS"); // $NON-NLS-1$
}
} else {
oos.writeInt(NOT_ACCEPTING_CONNECTIONS);
oos.flush();
System.out.println("->NOT_ACCEPTING_CONNECTIONS"); // $NON-NLS-1$
}
}
} catch (IOException ex) {
System.out.println(ex.getMessage());
}
}
/**
* The starting point. Checks arguments, read preferences from disk, and starts the program.
*
* @param args Only one optional argument at this time: the random number generator seed.
*/
public static void main(String[] args) {
if (args.length > 1) {
System.err.println("java -jar biogenesis.jar [random seed]");
} else if (args.length == 1) {
try {
long seed = Long.parseLong(args[0]);
Utils.random.setSeed(seed);
} catch (NumberFormatException e) {
System.err.println("java -jar biogenesis.jar [random seed]");
}
}
Utils.readPreferences();
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
new STBiogenesis().start();
}
});
}