summaryrefslogtreecommitdiffstats
path: root/libraries/oscP5/src/netP5/AbstractTcpServer.java
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/oscP5/src/netP5/AbstractTcpServer.java')
-rw-r--r--libraries/oscP5/src/netP5/AbstractTcpServer.java317
1 files changed, 317 insertions, 0 deletions
diff --git a/libraries/oscP5/src/netP5/AbstractTcpServer.java b/libraries/oscP5/src/netP5/AbstractTcpServer.java
new file mode 100644
index 0000000..824efbb
--- /dev/null
+++ b/libraries/oscP5/src/netP5/AbstractTcpServer.java
@@ -0,0 +1,317 @@
+/**
+ * A network library for processing which supports UDP, TCP and Multicast.
+ *
+ * (c) 2004-2012
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
+ *
+ * @author Andreas Schlegel http://www.sojamo.de
+ * @modified 12/23/2012
+ * @version 0.9.9
+ */
+
+package netP5;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+ * @invisible
+ */
+
+public abstract class AbstractTcpServer implements Runnable, TcpPacketListener {
+
+ protected ServerSocket _myServerSocket;
+
+ protected static int _myPort;
+
+ protected TcpPacketListener _myTcpPacketListener = null;
+
+ protected Vector _myTcpClients;
+
+ protected Thread _myThread;
+
+ public final static int MODE_READLINE = TcpClient.MODE_READLINE;
+
+ public final static int MODE_TERMINATED = TcpClient.MODE_TERMINATED;
+
+ public final static int MODE_NEWLINE = TcpClient.MODE_NEWLINE;
+
+ public final static int MODE_STREAM = TcpClient.MODE_STREAM;
+
+ protected final int _myMode;
+
+ protected Vector _myBanList;
+
+ /**
+ * @invisible
+ * @param thePort
+ * int
+ * @param theMode
+ * int
+ */
+ public AbstractTcpServer(
+ final int thePort,
+ final int theMode) {
+ _myPort = thePort;
+ _myMode = theMode;
+ _myTcpPacketListener = this;
+ init();
+ }
+
+ /**
+ * @invisible
+ * @param theTcpPacketListener
+ * TcpPacketListener
+ * @param thePort
+ * int
+ * @param theMode
+ * int
+ */
+ public AbstractTcpServer(
+ final TcpPacketListener theTcpPacketListener,
+ final int thePort,
+ final int theMode) {
+ _myPort = thePort;
+ _myMode = theMode;
+ _myTcpPacketListener = theTcpPacketListener;
+ init();
+ }
+
+ protected void init() {
+ _myBanList = new Vector();
+ _myServerSocket = null;
+ _myTcpClients = new Vector();
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException iex) {
+ Logger.printError("TcpServer.start()",
+ "TcpServer sleep interuption " + iex);
+ return;
+ }
+ try {
+ _myServerSocket = new ServerSocket(_myPort);
+ } catch (IOException e) {
+ Logger.printError("TcpServer.start()", "TcpServer io Exception "
+ + e);
+ return;
+ }
+
+ _myThread = new Thread(this);
+ _myThread.start();
+ Logger.printProcess("TcpServer", "ServerSocket started @ " + _myPort);
+ }
+
+ /**
+ * ban an IP address from the server.
+ * @param theIP
+ */
+ public void ban(String theIP) {
+ _myBanList.add(theIP);
+ for (int i = _myTcpClients.size() - 1; i >= 0; i--) {
+ if (((TcpClient) _myTcpClients.get(i)).netAddress().address()
+ .equals(theIP)) {
+ ((TcpClient) _myTcpClients.get(i)).dispose();
+ }
+ }
+ }
+
+ /**
+ * remove the ban for an IP address.
+ * @param theIP
+ */
+ public void unBan(String theIP) {
+ _myBanList.remove(theIP);
+ }
+
+
+ private boolean checkBanList(ServerSocket theSocket) {
+ try {
+ String mySocketAddress = theSocket.getInetAddress()
+ .getHostAddress();
+ String mySocketName = theSocket.getInetAddress().getHostName();
+ for (int i = _myBanList.size() - 1; i >= 0; i--) {
+ if (mySocketAddress.equals(_myBanList.get(i))
+ || mySocketName.equals(_myBanList.get(i))) {
+ return false;
+ }
+ }
+ return true;
+ } catch (Exception e) {
+ }
+ return false;
+ }
+
+ /**
+ * get the server socket object. more at java.net.ServerSocket
+ * @return
+ */
+ public ServerSocket socket() {
+ return _myServerSocket;
+ }
+
+ /**
+ * @invisible
+ */
+ public void run() {
+ threadLoop: while (Thread.currentThread() == _myThread) {
+ try {
+ /**
+ * @author when synchronized, disconnected clients are only
+ * removed from _myTcpClients when there is a new
+ * connection.
+ */
+ // synchronized(_myTcpClients) {
+ if (checkBanList(_myServerSocket)) {
+ TcpClient t = new TcpClient(this, _myServerSocket.accept(),
+ _myTcpPacketListener, _myPort, _myMode);
+ if (NetP5.DEBUG) {
+ System.out.println("### new Client @ " + t);
+ }
+ _myTcpClients.addElement(t);
+ Logger.printProcess("TcpServer.run", _myTcpClients.size()
+ + " currently running.");
+ }
+ }
+ // }
+ catch (IOException e) {
+ Logger.printError("TcpServer", "IOException. Stopping server.");
+ break threadLoop;
+ }
+ }
+ dispose();
+ }
+
+ /**
+ * send a string to the connected client(s).
+ * @param theString
+ */
+ public synchronized void send(final String theString) {
+ try {
+ Enumeration en = _myTcpClients.elements();
+ while (en.hasMoreElements()) {
+ ((TcpClient) en.nextElement()).send(theString);
+ }
+ } catch (NullPointerException e) {
+
+ }
+ }
+
+ /**
+ * send a byte array to the connected client(s).
+ * @param theBytes
+ */
+ public synchronized void send(final byte[] theBytes) {
+ try {
+ Enumeration en = _myTcpClients.elements();
+ while (en.hasMoreElements()) {
+ ((TcpClient) en.nextElement()).send(theBytes);
+ }
+ } catch (NullPointerException e) {
+
+ }
+ }
+
+ /**
+ * kill the server.
+ */
+ public void dispose() {
+ try {
+ _myThread = null;
+
+ if (_myTcpClients != null) {
+ Enumeration en = _myTcpClients.elements();
+ while (en.hasMoreElements()) {
+ remove((TcpClient) en.nextElement());
+ }
+ _myTcpClients = null;
+ }
+
+ if (_myServerSocket != null) {
+ _myServerSocket.close();
+ _myServerSocket = null;
+ }
+ } catch (IOException e) {
+ Logger.printError("TcpServer.dispose", "IOException " + e);
+ }
+ }
+
+ /**
+ * get the number of connected clients.
+ * @return
+ */
+ public int size() {
+ return _myTcpClients.size();
+ }
+
+ /**
+ * get a list of all connected clients. an array of type TcpClient[]
+ * will be returned.
+ * @return
+ */
+ public TcpClient[] getClients() {
+ TcpClient[] s = new TcpClient[_myTcpClients.size()];
+ _myTcpClients.toArray(s);
+ return s;
+ }
+
+ /**
+ * get a client at a specific position the client list.
+ * @param theIndex
+ * @return
+ */
+ public TcpClient getClient(final int theIndex) {
+ return (TcpClient) _myTcpClients.elementAt(theIndex);
+ }
+
+ /**
+ * @invisible
+ * @param thePacket
+ * TcpPacket
+ * @param thePort
+ * int
+ */
+ public void process(final TcpPacket thePacket, final int thePort) {
+ handleInput(thePacket, thePort);
+ }
+
+ /**
+ * @invisible
+ * @param thePacket
+ * TcpPacket
+ * @param thePort
+ * int
+ */
+ public abstract void handleInput(final TcpPacket thePacket,
+ final int thePort);
+
+ /**
+ * remove a TcpClient from the server's client list.
+ * @param theTcpClient
+ * TCPClientAbstract
+ */
+ public void remove(AbstractTcpClient theTcpClient) {
+ if (_myTcpPacketListener != null && !_myTcpPacketListener.equals(this)) {
+ _myTcpPacketListener.remove(theTcpClient);
+ }
+ theTcpClient.dispose();
+ _myTcpClients.removeElement(theTcpClient);
+ Logger.printProcess("TcpServer", "removing TcpClient.");
+ }
+
+}