.NET and Syslog?

re: .NET and Syslog?

Uwe Keim — Fri, 05 Nov 2004 19:49:00 GMT

What about writing an appender for LOG4NET (http://logging.apache.org)?

LOG4NET is for me the by far best logging framework.

re: .NET and Syslog?

Dino — Fri, 05 Nov 2004 20:27:00 GMT

Uwe queries:
> What about writing an appender for LOG4NET

Why not? Should be pretty simple, but I am not volunteering! I figure someone from Mono is already doing this, or at least putting thought into it. There is a SysLogAppender in log4j, but I am not clear on whether it is implemented in log4net? The doc is here:
http://logging.apache.org/log4j/docs/api-1.3/org/apache/log4j/net/SyslogAppender.html

but the features page does not list Syslog.
http://logging.apache.org/log4net/release/features.html

It does, however, list the UdpAppender. There is only a very small leap to go from UdpAppender to SyslogAppender. Maybe they are the same.

Also there is the Enterprise Instrumentation Framework, or EIF, and the logging block (http://msdn.microsoft.com/library/en-us/dnpag/html/Logging.asp ). To use the Logging Block, you'd need to build a Syslog sink, which is like a syslog appender for log4net. Again, it shouldn't be difficult.

re: .NET and Syslog?

Chris — Wed, 17 Jun 2009 17:30:15 GMT

I'm getting the exception when the udp connection is opened:

+ ex1 {"The requested address is not valid in its context 127.0.0.1:514"} System.Exception {System.Net.Sockets.SocketException}

I'm running kiwi Syslog Service on the same box, (configured for udp port 514). Local firewalls are turned off.

any suggestions?

re: .NET and Syslog?

Dave Bartlett — Tue, 21 Jul 2009 07:36:19 GMT

This is a very useful piece of code, thanks for your good work.

I've modified your Send() method to include client IP and timestamp in the message header, so I thought I'd share:

public void Send(Message message)

{

if (!helper.IsActive)

helper.Connect(_syslogServerIp, _port);

if (helper.IsActive)

{

int priority = message.Facility * 8 + message.Level;

string msg = System.String.Format("<{0}>{1} {2} {3}",

priority,

DateTime.Now.ToString("MMM dd HH:mm:ss"),

ipLocalEndPoint.Address,

message.Text);

byte[] bytes = System.Text.Encoding.ASCII.GetBytes(msg);

helper.Send(bytes, bytes.Length);

}

else throw new Exception("Syslog client Socket is not connected. Please set the host IP");

}

re: .NET and Syslog?

DotNetInterop — Fri, 24 Jul 2009 08:26:07 GMT

Thanks Dave, I've included your updates into the source in the article.