Initial import of svn+ssh:://svn.icir.org/bro/trunk/bro as of r7088

src/Logger.cc

@@ -0,0 +1,73 @@
+// $Id: Logger.cc 6916 2009-09-24 20:48:36Z vern $
+//
+// See the file "COPYING" in the main distribution directory for copyright.
+
+#include <stdlib.h>
+#include <math.h>
+#include <ctype.h>
+#include <syslog.h>
+
+#include "config.h"
+#include "File.h"
+#include "Logger.h"
+
+#ifdef SYSLOG_INT
+extern "C" {
+int openlog(const char* ident, int logopt, int facility);
+int syslog(int priority, const char* message_fmt, ...);
+int closelog();
+}
+#endif
+
+Logger::Logger(const char* name, BroFile* arg_f)
+	{
+	openlog(name, 0, LOG_LOCAL5);
+	f = arg_f;
+	enabled = 1;
+	}
+
+Logger::~Logger()
+	{
+	closelog();
+	Unref(f);
+	}
+
+void Logger::Log(const char* msg)
+	{
+	int has_timestamp =
+		(fabs(atof(msg) - network_time) <= 30.0) ||
+		(msg[0] == 't' && msg[1] == '=' && isdigit(msg[2]));
+
+	if ( enabled )
+		{
+		const char* sub_msg = msg;
+		if ( has_timestamp )
+			{
+			// Don't include the timestamp in the logging,
+			// as it gets tacked on by syslog anyway.
+			sub_msg = strchr(sub_msg, ' ');
+			if ( sub_msg )
+				++sub_msg;	// skip over ' '
+			else
+				sub_msg = msg;
+			}
+
+		syslog(LOG_NOTICE, "%s", sub_msg);
+		}
+
+	if ( f )
+		{
+		if ( has_timestamp )
+			f->Write(fmt("%s\n", msg));
+		else
+			f->Write(fmt("%.6f %s\n", network_time, msg));
+
+		f->Flush();
+		}
+	}
+
+void Logger::Describe(ODesc* d) const
+	{
+	d->AddSP("logger");
+	f->Describe(d);
+	}