diff options
| -rw-r--r-- | java/Makefile.am | 3 | ||||
| -rw-r--r-- | java/com/rsyslog/gui/msggen/MsgGen.java | 117 | ||||
| -rw-r--r-- | java/com/rsyslog/lib/SyslogSender.java | 96 | ||||
| -rw-r--r-- | java/com/rsyslog/lib/UDPSyslogSender.java | 75 |
4 files changed, 291 insertions, 0 deletions
diff --git a/java/Makefile.am b/java/Makefile.am index 8e5c041a..5d3cd1b0 100644 --- a/java/Makefile.am +++ b/java/Makefile.am @@ -19,9 +19,12 @@ JAVA_SOURCE_FILES = \ com/rsyslog/lib/DiagSess.java \ com/rsyslog/lib/SyslogMessage.java \ com/rsyslog/lib/SyslogMsgConsumer.java \ + com/rsyslog/lib/SyslogSender.java \ + com/rsyslog/lib/UDPSyslogSender.java \ com/rsyslog/diag/DiagTalker.java \ com/rsyslog/gui/simpServ/simpServ.java \ com/rsyslog/gui/simpServ/simpServConsumer.java \ + com/rsyslog/gui/msggen/MsgGen.java \ com/rsyslog/gui/diaggui/Counters.java \ com/rsyslog/gui/diaggui/DiagGUI.java diff --git a/java/com/rsyslog/gui/msggen/MsgGen.java b/java/com/rsyslog/gui/msggen/MsgGen.java new file mode 100644 index 00000000..6591d401 --- /dev/null +++ b/java/com/rsyslog/gui/msggen/MsgGen.java @@ -0,0 +1,117 @@ +/* A yet very simple syslog message generator + * + * The purpose of this program is to provide a facility that enables + * to generate complex traffic patterns for testing purposes. It still is + * in its infancy, but hopefully will evolve. + * + * Note that this has been created as a stand-alone application because it + * was considered useful to have it as a separate program. But it should still + * be possible to call its class from any other program, specifically the debug + * GUI. + * + * Copyright 2009 Rainer Gerhards and Adiscon GmbH. + * + * This file is part of rsyslog. + * + * Rsyslog is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Rsyslog 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>. + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + */ +package com.rsyslog.gui.msggen; +import com.rsyslog.lib.*; +import java.awt.*; +import java.awt.event.*; +import javax.swing.*; + +public class MsgGen extends Frame { + private TextField target; + private TextField message; + + public static void main(String args[]) { + new MsgGen(); + } + + /** creates the menu bar INCLUDING all menu handlers */ + private void createMenu() { + MenuItem item; + MenuBar menuBar = new MenuBar(); + Menu fileMenu = new Menu("File"); + item = new MenuItem("Exit"); + item.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + System.exit(0); + } + }); + fileMenu.add(item); + menuBar.add(fileMenu); + + addWindowListener(new WindowAdapter() { + public void windowClosing(WindowEvent e){ + System.exit(0); + } + }); + setMenuBar(menuBar); + } + + /** creates the main GUI */ + private void createGUI() { + target = new TextField("127.0.0.1", 32); + message = new TextField(80); + message.setText("<161>Test malformed"); + Panel pCenter = new Panel(); + pCenter.setLayout(new FlowLayout()); + pCenter.add(new Label("Target Host:")); + pCenter.add(target); + pCenter.add(new Label("Msg:")); + pCenter.add(message); + + Button b = new Button("Start Test"); + b.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + performTest(); + } + }); + Panel pSouth = new Panel(); + pSouth.setLayout(new FlowLayout()); + pSouth.add(b); + + pack(); + setTitle("Syslog Message Generator"); + setLayout(new BorderLayout()); + add(pCenter, BorderLayout.CENTER); + add(pSouth, BorderLayout.SOUTH); + setSize(800,400); + } + + /** perform the test, a potentially complex operation */ + private void performTest() { + try { + UDPSyslogSender sender = new UDPSyslogSender(target.getText()); + for(int i = 0 ; i < 100 ; ++i) + sender.sendMSG(message.getText()); + } + catch(Exception e) { + JOptionPane.showMessageDialog(this, e.toString(), "Error", + JOptionPane.ERROR_MESSAGE, null); + } + } + + + /** initialize the GUI. */ + public MsgGen(){ + createMenu(); + createGUI(); + setVisible(true); + } +} diff --git a/java/com/rsyslog/lib/SyslogSender.java b/java/com/rsyslog/lib/SyslogSender.java new file mode 100644 index 00000000..fc0e3fec --- /dev/null +++ b/java/com/rsyslog/lib/SyslogSender.java @@ -0,0 +1,96 @@ +/** + * This class specifies all methods common to syslog senders. It also implements + * some generic ways to send data. Actual syslog senders (e.g. UDP, TCP, ...) shall + * be derived from this class. + * + * This is a limited-capability implementation of a syslog message together + * with all its properties. It is limit to what is currently needed and may + * be extended as further need arises. + * + * @author Rainer Gerhards + * + * Copyright 2009 Rainer Gerhards and Adiscon GmbH. + * + * This file is part of rsyslog. + * + * Rsyslog is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Rsyslog 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Rsyslog. If not, see http://www.gnu.org/licenses/. + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + */ +package com.rsyslog.lib; + +public abstract class SyslogSender { + + /** the rawmsg without the PRI part */ + private String target; + + /** the rawmsg without the PRI part */ + private boolean isConnected = false; + + /** Constructs Sender, sets target system. + * @param target the system to connect to. Syntax of target is depending + * on the underlying transport. + */ + public SyslogSender(String target) { + this.target = target; + } + + + /** send a message on the wire. + * This needs a complete formatted message, which will be extended by + * the transport framing, if necessary. + * + * @param MSG a validly formatted syslog message as of the RFC (all parts) + * @throws Exception (depending on transport) + */ + protected abstract void sendTransport(String MSG) throws Exception; + + /** send an alread-formatted message. + * Sends a preformatted syslog message payload to the target. Connects + * to the target if not already connected. + * + * @param MSG a validly formatted syslog message as of the RFC (all parts) + * @throws Exception (depending on transport) + */ + public void sendMSG(String MSG) throws Exception { + if(!isConnected) + connect(); + sendTransport(MSG); + } + + /** connect to the target. + * Note that this may be a null operation if there is no session-like entity + * in the underlying transport (as is for example in UDP). + */ + public void connect() throws Exception { + /* the default implementation does (almost) nothing */ + isConnected = true; + } + + /** disconnects from the target. + * Note that this may be a null operation if there is no session-like entity + * in the underlying transport (as is for example in UDP). + */ + public void disconnect() { + /* the default implementation does (almost) nothing */ + isConnected = false; + } + + /** return target of this Sender. + * @returns target as initially set + */ + public String getTarget() { + return target; + } +} diff --git a/java/com/rsyslog/lib/UDPSyslogSender.java b/java/com/rsyslog/lib/UDPSyslogSender.java new file mode 100644 index 00000000..1a2c4726 --- /dev/null +++ b/java/com/rsyslog/lib/UDPSyslogSender.java @@ -0,0 +1,75 @@ +/** + * A UDP transport implementation of a syslog sender. + * + * Note that there is an anomaly in this version of the code: we query the remote system + * address only once during the connection setup and resue it. If we potentially run for + * an extended period of time, the remote address may change, what we do not reflect. For + * the current use case, this is acceptable, but if this code is put into more wide-spread + * use outside of debugging, a periodic requery should be added. + * + * @author Rainer Gerhards + * + * Copyright 2009 Rainer Gerhards and Adiscon GmbH. + * + * This file is part of rsyslog. + * + * Rsyslog is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Rsyslog 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Rsyslog. If not, see http://www.gnu.org/licenses/. + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + */ +package com.rsyslog.lib; +import java.net.*; + +public class UDPSyslogSender extends SyslogSender { + + private final int port = 514; // TODO: take from target! + private InetAddress targetAddr; + + /** the socket to communicate over with the remote system. */ + private DatagramSocket sock; + + /** Constructs Sender, sets target system. + * @param target the system to connect to. Syntax of target is depending + * on the underlying transport. + */ + public UDPSyslogSender(String target) throws Exception { + super(target); + } + + /** send a message on the wire. + * This needs a complete formatted message, which will be extended by + * the transport framing, if necessary. + * + * @param MSG a validly formatted syslog message as of the RFC (all parts) + * @throws Exception (depending on transport) + */ + protected void sendTransport(String MSG) throws Exception { + byte msg[] = MSG.getBytes(); + DatagramPacket pkt = new DatagramPacket(msg, msg.length, targetAddr, port); + sock.send(pkt); + } + + + /** connect to the target. + * For UDP, this means we create the socket. + */ + public void connect() throws Exception { + super.connect(); + sock = new DatagramSocket(); + + // TODO: we should extract the actual hostname & port! + targetAddr = InetAddress.getByName(getTarget()); + } + +} |