the begginning

writeengine/shared/we_log.h

@@ -0,0 +1,120 @@
+/* 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: we_log.h 4504 2013-02-02 00:07:43Z bpaul $
+*
+*******************************************************************************/
+/** @file */
+
+#ifndef _WE_LOG_H_
+#define _WE_LOG_H_
+
+#include <time.h>
+#include <sys/types.h>
+#include <unistd.h> 
+
+#include <iostream>
+#include <fstream>
+#include <sstream>
+
+#include <we_obj.h>
+
+#include <boost/thread.hpp>
+
+#if defined(_MSC_VER) && defined(WRITEENGINE_DLLEXPORT)
+#define EXPORT __declspec(dllexport)
+#else
+#define EXPORT
+#endif
+
+/** Namespace WriteEngine */
+namespace WriteEngine
+{
+const	std::string MSG_LEVEL_STR[] = { 
+	"INFO",
+	"INFO",
+	"WARN",
+	"ERR ",
+	"CRIT" };
+
+/** @brief Class is used to format and write log messages to cpimport.bin log
+ *  file.  When applicable, messages are also logged to syslog logs as well.
+ */
+class Log : public WEObj
+{
+public:
+   /**
+    * @brief Constructor
+    */
+    EXPORT Log();
+
+   /**
+    * @brief Destructor
+    */
+    EXPORT ~Log();
+
+   /**
+    * @brief Log a cpimport.bin logfile message; logs errors to syslog as well
+    */
+    EXPORT void     logMsg( const char* msg, int code, MsgLevel level );
+    EXPORT void     logMsg( const char* msg, MsgLevel level )
+                        { logMsg( msg, 0, level ); }
+    EXPORT void     logMsg( const std::string& msg, MsgLevel level )
+                        { logMsg( msg.c_str(), level ); }
+    EXPORT void     logMsg( const std::string& msg, int code, MsgLevel level )
+                        { logMsg( msg.c_str(), code, level ); }
+
+   /**
+    * @brief Set log file name
+    */
+    EXPORT void     setLogFileName( const char* logfile,
+                                const char* errlogfile,
+                                bool consoleFlag = true );
+
+    // BUG 5022
+    /**
+     * @brief Set log files close other than calling d'tor
+     */
+    EXPORT void 	closeLog();
+
+
+private:
+    void            logSyslog ( const std::string& msg,
+                                int                statusCode);
+    void            formatMsg(  const std::string& msg,
+                                MsgLevel           level,
+                                std::ostringstream& oss,
+                                int                code = 0 ) const;
+
+    bool            m_bConsoleOutput;              // flag allowing INFO2 msg
+                                                   //   to display to console
+    std::string     m_logFileName;                 // log file name
+    std::string     m_errlogFileName;              // error log file name
+    pid_t           m_pid;                         // current pid
+
+    std::ofstream   m_logFile;                     // log file stream
+    std::ofstream   m_errLogFile;                  // error log file stream
+
+    boost::mutex    m_WriteLockMutex;              // logging mutex
+};
+
+} //end of namespace
+
+#undef EXPORT
+
+#endif // _WE_LOG_H_