Added syslog logger.

1 files changed, 115 insertions, 0 deletions

diff --git a/java/src/Ice/SysLoggerI.java b/java/src/Ice/SysLoggerI.java
new file mode 100644
index 00000000000..e8e00c989e3
--- /dev/null
+++ b/java/src/Ice/SysLoggerI.java
@@ -0,0 +1,115 @@
+// **********************************************************************
+//
+// Copyright (c) 2001
+// ZeroC, Inc.
+// Billerica, MA, USA
+//
+// All Rights Reserved.
+//
+// Ice is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License version 2 as published by
+// the Free Software Foundation.
+//
+// **********************************************************************
+
+package Ice;
+
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.io.IOException;
+
+public class SysLoggerI extends LocalObjectImpl implements Logger
+{
+    public 
+    SysLoggerI(String ident)
+    {
+	_ident = ident;
+
+	//
+	// Open a datagram socket to communicate with the localhost
+	// syslog daemon.
+	// 
+	try
+	{
+	    _host = InetAddress.getLocalHost();
+	    _socket = new DatagramSocket();
+	    _socket.connect(_host, _port);
+	}
+	catch(java.net.UnknownHostException ex)
+	{
+            throw new Ice.DNSException();
+	}
+	catch(java.io.IOException ex)
+	{
+            Ice.SocketException se = new Ice.SocketException();
+            se.initCause(ex);
+            throw se;
+	}
+    }
+
+    public void
+    trace(String category, String message)
+    {
+	log(LOG_INFO, category + ": " + message);
+    }
+
+    public void
+    warning(String message)
+    {
+	log(LOG_WARNING, message);
+    }
+
+    public void
+    error(String message)
+    {
+	log(LOG_ERR, message);
+    }
+
+    private void
+    log(int severity, String message)
+    {
+	try 
+	{
+	    //
+	    // Create a syslog message as defined by the RFC 3164:
+	    // <PRI>HEADER MSG. PRI is the priority and is calculated
+	    // from the facility and the severity. We don't specify
+	    // the HEADER. MSG contains the identifier followed by a
+	    // colon character and the message.
+	    //
+
+	    int priority = (LOG_USER << 3) | severity;
+
+	    String msg = '<' + Integer.toString(priority) + '>' + _ident + ": " + message;
+
+	    byte buf[] = msg.getBytes();
+	    DatagramPacket p = new DatagramPacket(buf, buf.length, _host, _port);
+	    _socket.send(p);
+	} 
+	catch(java.io.IOException ex) 
+	{
+            Ice.SocketException se = new Ice.SocketException();
+            se.initCause(ex);
+            throw se;
+	}
+    }
+
+    private String _ident;
+    private DatagramSocket _socket;
+    private InetAddress _host;
+    private static int _port = 514;
+
+    //
+    // Syslog facilities facilities (as defined in syslog.h)
+    // 
+    private final int LOG_USER = 1;
+
+    //
+    // Syslog priorities (as defined in syslog.h)
+    // 
+    private final int LOG_ERR = 3;
+    private final int LOG_WARNING = 4;
+    private final int LOG_INFO = 6;
+}
+