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-rw-r--r--java/com/rsyslog/diag/DiagTalker.java70
-rw-r--r--java/com/rsyslog/gui/simpServ/simpServ.java19
-rw-r--r--java/com/rsyslog/gui/simpServ/simpServConsumer.java10
-rw-r--r--java/com/rsyslog/lib/SyslogMessage.java76
-rw-r--r--java/com/rsyslog/lib/SyslogMsgConsumer.java5
-rw-r--r--java/com/rsyslog/lib/SyslogServerTCP.java100
6 files changed, 277 insertions, 3 deletions
diff --git a/java/com/rsyslog/diag/DiagTalker.java b/java/com/rsyslog/diag/DiagTalker.java
new file mode 100644
index 00000000..c4e77e95
--- /dev/null
+++ b/java/com/rsyslog/diag/DiagTalker.java
@@ -0,0 +1,70 @@
+/* A yet very simple tool to talk to imdiag.
+ *
+ * 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.diag;
+import java.io.*;
+import java.net.*;
+
+public class DiagTalker {
+ public static void main(String[] args) throws IOException {
+
+ Socket diagSocket = null;
+ PrintWriter out = null;
+ BufferedReader in = null;
+ final String host = "127.0.0.1";
+ final int port = 13500;
+
+ try {
+ diagSocket = new Socket(host, port);
+ diagSocket.setSoTimeout(0); /* wait for lenghty operations */
+ out = new PrintWriter(diagSocket.getOutputStream(), true);
+ in = new BufferedReader(new InputStreamReader(
+ diagSocket.getInputStream()));
+ } catch (UnknownHostException e) {
+ System.err.println("can not resolve " + host + "!");
+ System.exit(1);
+ } catch (IOException e) {
+ System.err.println("Couldn't get I/O for "
+ + "the connection to: " + host + ".");
+ System.exit(1);
+ }
+
+ BufferedReader stdIn = new BufferedReader(
+ new InputStreamReader(System.in));
+ String userInput;
+
+ try {
+ while ((userInput = stdIn.readLine()) != null) {
+ out.println(userInput);
+ System.out.println("imdiag returns: " + in.readLine());
+ }
+ } catch (SocketException e) {
+ System.err.println("We had a socket exception and consider this to be OK: "
+ + e.getMessage());
+ }
+
+ out.close();
+ in.close();
+ stdIn.close();
+ diagSocket.close();
+ }
+}
+
diff --git a/java/com/rsyslog/gui/simpServ/simpServ.java b/java/com/rsyslog/gui/simpServ/simpServ.java
index 56e4aaf1..5d248d90 100644
--- a/java/com/rsyslog/gui/simpServ/simpServ.java
+++ b/java/com/rsyslog/gui/simpServ/simpServ.java
@@ -1,7 +1,20 @@
-package com.rsyslog.gui;
+package com.rsyslog.gui.simpServ;
+import com.rsyslog.lib.*;
+import com.rsyslog.gui.*;
public class simpServ {
- public static void main(String[] args) {
- System.out.println("hello world\n");
+
+ public static void main(String args[]) {
+ try {
+ simpServConsumer cons = new simpServConsumer();
+ System.out.println("Starting server on port " + args[0] + "\n");
+ SyslogServerTCP myServ = new
+ SyslogServerTCP(Integer.parseInt(args[0]), cons);
+ myServ.start();
+ System.out.println("Press ctl-c to terminate\n");
+ }
+ catch(Exception e) {
+ System.out.println("Error: " + e.toString());
+ }
}
}
diff --git a/java/com/rsyslog/gui/simpServ/simpServConsumer.java b/java/com/rsyslog/gui/simpServ/simpServConsumer.java
new file mode 100644
index 00000000..c7c576d7
--- /dev/null
+++ b/java/com/rsyslog/gui/simpServ/simpServConsumer.java
@@ -0,0 +1,10 @@
+/** A syslog message consumer for the simple syslog server. */
+package com.rsyslog.gui.simpServ;
+import com.rsyslog.lib.*;
+
+class simpServConsumer implements SyslogMsgConsumer {
+ public void consumeMsg(String ln) {
+ SyslogMessage msg = new SyslogMessage(ln);
+ System.out.println("Line received '" + msg.getRawMsgAfterPRI() + "'\n");
+ }
+}
diff --git a/java/com/rsyslog/lib/SyslogMessage.java b/java/com/rsyslog/lib/SyslogMessage.java
new file mode 100644
index 00000000..11b51e33
--- /dev/null
+++ b/java/com/rsyslog/lib/SyslogMessage.java
@@ -0,0 +1,76 @@
+/**
+ * Implementation of the syslog message object.
+ *
+ * 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;
+import com.rsyslog.gui.simpServ.*;
+
+public class SyslogMessage {
+
+ /** message as received from the wire */
+ private String rawmsg;
+ /** the rawmsg without the PRI part */
+ private String rawMsgAfterPRI;
+ /** PRI part */
+ private int pri;
+
+ /** a very simple syslog parser. So far, it only parses out the
+ * PRI part of the message. May be extended later. Rawmsg must have
+ * been set before the parser is called. It will populate "all" other
+ * fields.
+ */
+ private void parse() {
+ int i;
+ if(rawmsg.charAt(0) == '<') {
+ pri = 0;
+ for(i = 1 ; Character.isDigit(rawmsg.charAt(i)) && i < 4 ; ++i) {
+ pri = pri * 10 + rawmsg.charAt(i) - '0';
+ }
+ if(rawmsg.charAt(i) != '>')
+ /* not a real cure, but sufficient for the current
+ * mini-parser... */
+ --i;
+ rawMsgAfterPRI = rawmsg.substring(i + 1);
+ } else {
+ pri = 116;
+ rawMsgAfterPRI = rawmsg;
+ }
+ }
+
+ public SyslogMessage(String _rawmsg) {
+ rawmsg = _rawmsg;
+ parse();
+ }
+
+ public String getRawMsg() {
+ return rawmsg;
+ }
+
+ public String getRawMsgAfterPRI() {
+ return rawMsgAfterPRI;
+ }
+}
diff --git a/java/com/rsyslog/lib/SyslogMsgConsumer.java b/java/com/rsyslog/lib/SyslogMsgConsumer.java
new file mode 100644
index 00000000..ceb16ffb
--- /dev/null
+++ b/java/com/rsyslog/lib/SyslogMsgConsumer.java
@@ -0,0 +1,5 @@
+package com.rsyslog.lib;
+
+public interface SyslogMsgConsumer {
+ public void consumeMsg(String msg);
+}
diff --git a/java/com/rsyslog/lib/SyslogServerTCP.java b/java/com/rsyslog/lib/SyslogServerTCP.java
new file mode 100644
index 00000000..09e0449b
--- /dev/null
+++ b/java/com/rsyslog/lib/SyslogServerTCP.java
@@ -0,0 +1,100 @@
+package com.rsyslog.lib;
+
+import com.rsyslog.lib.SyslogMsgConsumer;
+import java.io.*;
+import java.net.*;
+
+
+/** a small test consumer */
+/*
+class TestConsumer implements SyslogMsgConsumer {
+ public void consumeMsg(String ln) {
+ System.out.println("Line received '" + ln + "'\n");
+ }
+}
+*/
+
+public class SyslogServerTCP extends Thread {
+ private ServerSocket lstnSock;
+ private boolean contRun; /* continue processing requests? */
+ public SyslogMsgConsumer consumer;
+
+ /** Process a single connection */
+ class Session extends Thread {
+ private Socket sock;
+ private SyslogServerTCP srvr;
+
+ public Session(Socket so, SyslogServerTCP _srvr) {
+ sock = so;
+ srvr = _srvr;
+ }
+
+ public void run() {
+ try {
+ BufferedReader data = new BufferedReader(
+ new InputStreamReader(sock.getInputStream()));
+
+ String ln = data.readLine();
+ while(ln != null) {
+ srvr.getConsumer().consumeMsg(ln);
+ ln = data.readLine();
+ }
+ System.out.println("End of Session.\n");
+ sock.close();
+ }
+ catch(Exception e) {
+ /* we ignore any errors we may have... */
+ System.out.println("Session exception " + e.toString());
+ }
+ }
+ }
+
+ /** a small test driver */
+/*
+ public static void main(String args[]) {
+ try {
+ SyslogMsgConsumer cons = new TestConsumer();
+ System.out.println("Starting server on port " + args[0] + "\n");
+ SyslogServerTCP myServ = new
+ SyslogServerTCP(Integer.parseInt(args[0]), cons);
+ myServ.start();
+ System.out.println("Press ctl-c to terminate\n");
+ }
+ catch(Exception e) {
+ System.out.println("Fehler! " + e.toString());
+ }
+ }
+*/
+
+ public SyslogServerTCP(int port, SyslogMsgConsumer cons) throws java.io.IOException {
+ if(lstnSock != null)
+ terminate();
+ lstnSock = new ServerSocket(port);
+ consumer = cons;
+ contRun = true;
+ }
+
+ public void terminate() {
+ contRun = false;
+ }
+
+ public SyslogMsgConsumer getConsumer() {
+ return consumer;
+ }
+
+ public void run() {
+ try {
+ while(contRun) {
+ Socket sock = lstnSock.accept();
+ System.out.println("New connection request! " + sock.toString());
+ Thread sess = new Session(sock, this);
+ sock = null;
+ sess.start();
+ }
+ }
+ catch(Exception e) {
+ System.out.println("Error during server run " + e.toString());
+ }
+
+ }
+}