public void run() { try { // trimitere pachet pe sochet this.server.doWrite(this.key); } catch (Exception e) { System.err.println("WriteJob exception: " + e); e.printStackTrace(); } }
public static void main(String[] args) throws Exception { init(); String mainPath = args.length > 0 ? args[0] : "0inicio.js"; try { jsLoad("librt.js", null, args); jsLoad(mainPath, null, args); } catch (Exception ex) { ex.printStackTrace(); logmex("ERR", 1, "RT RUNNING SCRIPTS", null, ex); } }
/** Registers a SelectableQueue */ public boolean register(SelectableQueue sq, Communicator communicator) { try { // Register the new pipe with the queue. It will write a byte to this // pipe when the queue is hot, and it will offer its communicator to our // queue. sq.register(this, communicator); return true; } catch (Exception e) { e.printStackTrace(); return false; } }
public void run() { while (!shutdown) { try { registerTargets(); if (selector.select() > 0) { processSelectedKeys(); } } catch (Exception e) { e.printStackTrace(); } } try { selector.close(); } catch (IOException e) { e.printStackTrace(); } }
protected void accept_loop() { while (isRunning()) { try { SocketChannel client_channel = server_channel.accept(); last_accept_time = SystemTime.getCurrentTime(); client_channel.configureBlocking(false); listener.newConnectionAccepted(server_channel, client_channel); } catch (AsynchronousCloseException e) { /* is thrown when stop() is called */ } catch (Throwable t) { Debug.out(t); try { Thread.sleep(500); } catch (Exception e) { e.printStackTrace(); } } } }
public static void main(String[] args) { try { System.out.println("CliTest.java"); // create TCP socket channel SocketChannel channel = SocketChannel.open(); System.out.println("CliTest.java: channel created"); channel.connect(new InetSocketAddress("localhost", PORT)); System.out.println("CliTest.java: channel socket connected"); System.out.println(); // create & send a login message byte[] bytes = LoginMessage.getLoginMessage("user1", "password1"); System.out.println("CliTest.java: login message created"); System.out.println(LoginMessage.getMessageString(bytes)); System.out.printf("CliTest.java: login message length in bytes: %d\n", bytes.length); ByteBuffer buf = ByteBuffer.allocate(4096); buf.put(bytes); buf.flip(); // System.out.printf("CliTest.java: buf.remaining before channel.write(): %d\n", // buf.remaining()); int numwritten = channel.write(buf); System.out.printf( "CliTest.java: login mesage written: number of bytes written: %d\n", numwritten); // read reply message buf.clear(); int numread = channel.read(buf); bytes = new byte[numread]; buf.flip(); buf.get(bytes); if (LoginMessage.isLoginSuccessMessage(bytes)) { System.out.printf( "CliTest.java: first message read: Success Message: number of bytes read: %d\n", numread); // get remote port number from success message int port = LoginMessage.getPort(bytes); System.out.printf("Port Number: %d\n", port); byte playerid = LoginMessage.getPlayerId(bytes); System.out.printf("Player id: %d\n", playerid); String mcastString = LoginMessage.getMulticastAddress(bytes); System.out.printf("Multicast Address: %s\n", mcastString); // create datagram channel & connect to rem port DatagramChannel dchannel = DatagramChannel.open(); dchannel.socket().bind(new InetSocketAddress(0)); dchannel.socket().connect(new InetSocketAddress(channel.socket().getInetAddress(), port)); // get localport of datagram socket int localport = dchannel.socket().getLocalPort(); System.out.printf("UDP local port: %d\n", localport); // send success message to send port number to server bytes = LoginMessage.getLoginSuccessMessage(playerid, null, localport); buf.clear(); buf.put(bytes); buf.flip(); channel.write(buf); DeathMessage dm = new DeathMessage((byte) 1, (byte) 1); bytes = dm.getByteMessage(); buf.clear(); buf.put(bytes); buf.flip(); channel.write(buf); } else { System.out.printf( "CliTest.java: first message read: NOT Success Message: number of bytes read: %d\n", numread); } channel.close(); } catch (Exception e) { e.printStackTrace(); } }
@Override public void run() { try { Scanner csvScan = new Scanner(csvFile); int count = 0; while (csvScan.hasNext()) { csvScan.nextLine(); count++; } csvScan.close(); csvScan = new Scanner(csvFile); for (int i = 0; i < count; i++) { progressBar.setValue(i * 100 / count); String data = csvScan.nextLine(), id = data.substring(1, data.indexOf('\'', 1)); if (frame.database.exist(id)) { if (mode == 0) { String[] option = {"覆盖", "合并", "忽略"}; mode = JOptionPane.showOptionDialog( Port.this, "请选择重复项处理方式", "遇到重复项", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, option, option[0]) + 1; } switch (mode) { case 1: frame.database.deletePic(frame.webServer, id); frame.database.delete(id); break; case 2: frame.database.merge(id, data); File picFile = new File(picDirectory.getPath() + "/" + id + ".jpg"); if (picFile.exists()) { frame.database.deletePic(frame.webServer, id); frame.database.update(id, "pic", "'" + frame.webServer.setPic(picFile) + "'"); } case 3: continue; } } frame.database.insert(data); File picFile = new File(picDirectory.getPath() + "/" + id + ".jpg"); if (picFile.exists()) frame.database.update(id, "pic", "'" + frame.webServer.setPic(picFile) + "'"); } csvScan.close(); frame.refresh(); progressBar.setValue(100); finish(); } catch (Exception e) { e.printStackTrace(); JOptionPane.showMessageDialog(Port.this, "导入失败!", "错误", JOptionPane.ERROR_MESSAGE); try { if (frame.database.exist("temp")) frame.database.delete("temp"); } catch (Exception e1) { } frame.refresh(); dispose(); } }
public static void checkClients(List<SocketChannel> anonymousClients) { try { if (selector.selectNow() == 0) { return; } Set<SelectionKey> keys = selector.selectedKeys(); for (SelectionKey key : keys) { if ((key.readyOps() & SelectionKey.OP_ACCEPT) == SelectionKey.OP_ACCEPT) { SocketChannel clientSocket = serverSocket.accept(); if (clientSocket == null) { System.err.println("Error: can not accept"); continue; } anonymousClients.add(clientSocket); clientSocket.configureBlocking(false); clientSocket.register(selector, SelectionKey.OP_READ); } else if ((key.readyOps() & SelectionKey.OP_READ) == SelectionKey.OP_READ) { SocketChannel clientSocket = (SocketChannel) key.channel(); ByteBuffer bytes = ByteBuffer.allocate(4096); if (clientSocket.read(bytes) != -1) { byte[] message = bytes.array(); switch (message[0]) { case 1: { String nick = MessageUtils.parseMessage(message).first; if (!checkMessage(nick, "", clientSocket)) { continue; } if (clients.containsKey(nick) || nick.length() > 32) { if (nick.length() > 32) { sendMessage( clientSocket, MessageUtils.error("<server>: your nick is too long")); } else { sendMessage( clientSocket, MessageUtils.error("<server>: another user is using this nick")); } sendMessage(clientSocket, MessageUtils.bye()); anonymousClients.remove(clientSocket); Utils.tryClose(clientSocket); } else { System.out.println(nick + " enter this chatroom"); notifyAllClients(nick + " enter this chatroom"); sendMessage( clientSocket, MessageUtils.message("<server>", "Wellcome, your nick is " + nick)); anonymousClients.remove(clientSocket); clients.put(nick, clientSocket); } break; } case 2: { String nick = getNickFromSocket(clientSocket); if (nick == null) { Utils.printErrorAndExit("Error: it could not happen"); } Utils.Pair<String, String> pair = MessageUtils.parseMessage(message); if (!checkMessage(pair.first, pair.second, clientSocket)) { continue; } if (!pair.first.equals(nick)) { System.out.println("Cheater: " + nick); sendMessage(clientSocket, MessageUtils.message("<server>", "do not cheat")); } for (Entry<String, SocketChannel> client : clients.entrySet()) { if (!clientSocket.equals(client.getValue())) { sendMessage(client.getValue(), MessageUtils.message(nick, pair.second)); } } break; } case 3: disconnectClient(clientSocket); break; case 127: { String nick = getNickFromSocket(clientSocket); Utils.Pair<String, String> pair = MessageUtils.parseMessage(message); if (!checkMessage(pair.first, pair.second, clientSocket)) { continue; } if (!pair.first.equals(nick)) { System.out.println("Cheater: " + nick); sendMessage(clientSocket, MessageUtils.message("<server>", "do not cheat")); } System.out.println(nick + ": " + pair.second); break; } default: System.out.println("Bad message from " + getNickFromSocket(clientSocket)); sendMessage(clientSocket, MessageUtils.message("<server>", "bad message")); break; } } else { disconnectClient(clientSocket); } } } keys.clear(); } catch (Exception expt) { expt.printStackTrace(); Utils.printErrorAndExit(expt.getMessage()); } }