1 files changed, 126 insertions, 0 deletions
diff --git a/java/com/rsyslog/lib/SyslogServerTCP.java b/java/com/rsyslog/lib/SyslogServerTCP.java
new file mode 100644
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+++ b/java/com/rsyslog/lib/SyslogServerTCP.java
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+/**
+ * Implementation of a tcp-based syslog server.
+ *
+ * This is a limited-capability implementation of a syslog tcp server.
+ * 
+ * @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.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());
+		}
+			
+	}
+}