the begginning

utils/loggingcpp/messagelog.h

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+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   This program 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; version 2 of
+   the License.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+/******************************************************************************************
+* $Id: messagelog.h 3495 2013-01-21 14:09:51Z rdempsey $
+*
+******************************************************************************************/
+/**
+ * @file
+ */
+#ifndef LOGGING_MESSAGELOG_H
+#define LOGGING_MESSAGELOG_H
+
+#include <syslog.h>
+
+#include "loggingid.h"
+
+class MessageLoggingTest;
+
+namespace logging {
+
+	/** @brief Log Types
+  	*/
+    enum LOG_TYPE
+    {
+        LOG_TYPE_DEBUG,		// 0 = debug
+        LOG_TYPE_INFO,		// 1 = info
+        LOG_TYPE_WARNING,	// 2 = warning
+        LOG_TYPE_ERROR,		// 3 = error
+        LOG_TYPE_CRITICAL	// 4 = critical
+	};
+
+
+class Message;
+
+/** @brief a message log class
+ *
+ */
+class MessageLog
+{
+public:
+	/** @brief ctor
+	*   @param initData the LogginID object.
+	*   @param facility openLog will be called using this as the third parm.
+	*/
+	MessageLog(const LoggingID& initData, int facility=LOG_LOCAL1);
+
+	/** @brief dtor
+	 *
+	 */
+	~MessageLog();
+
+	/** @brief log a debug message
+	*
+	* @param msg the message to log
+	*/
+	void logDebugMessage(const Message& msg);
+
+	/** @brief log an info message
+	*
+	* @param msg the message to log
+	*/
+	void logInfoMessage(const Message& msg);
+
+	/** @brief log a warning message
+	*
+	* @param msg the message to log
+	*/
+	void logWarningMessage(const Message& msg);
+
+	/** @brief log an error message
+	*
+	* @param msg the message to log
+	*/
+	void logErrorMessage(const Message& msg);
+
+	/** @brief log a serious message
+	*
+	* @param msg the message to log
+	* @note this is the same as calling logErrorMessage()
+	* @bug 24 add logErrorMessage() and make logSeriousMessage() call it
+	*/
+	void logSeriousMessage(const Message& msg) { logErrorMessage(msg); }
+
+	/** @brief log a critial message
+	*
+	* @param msg the message to log
+	*/
+	void logCriticalMessage(const Message& msg);
+
+	/** @brief LoggingID mutator
+	*
+	* @param logData the new LoggingID. If the subsystem id is changed, the syslog connection will be closed
+	*  and reopened.
+	*/
+	void logData(const LoggingID& logData);
+
+	/** @brief LoggingID accessor
+	*
+	*/
+	const LoggingID& logData() const { return fLogData; }
+
+	friend class ::MessageLoggingTest;
+
+protected:
+
+	const std::string format(const Message& msg, const char prefix='U');
+
+private:
+	//defaults okay
+	//MessageLog(const MessageLog& rhs);
+	//MessageLog& operator=(const MessageLog& rhs);
+
+	LoggingID fLogData; /// the logging context data
+	int fFacility; /// the syslog facility number
+};
+
+/** @brief logs the DML statement using a Syslog critical message to LOG_LOCAL2.
+*/
+void logDML(unsigned sessionId, unsigned txnId, const std::string& statement, const std::string& owner);
+
+/** @brief logs the DDL statement using a Syslog critical message to LOG_LOCAL2.
+*/
+void logDDL(unsigned sessionId, unsigned txnId, const std::string& statement, const std::string& owner);
+
+/** @brief logs the commit or rollback statement using a Syslog critical message to LOG_LOCAL2.
+*/
+void logCommand(unsigned sessionId, unsigned txnId, const std::string& statement);
+
+/** @brief logs the event using a Syslog critical message to LOG_LOCAL2.  Used for messages 19..24.
+*/
+void logEventToDataLog(unsigned messageId, const std::string& messageText);
+
+}
+
+#endif