Initial revision of NDB Cluster files

BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

ndb/include/kernel/LogLevel.hpp

@@ -0,0 +1,173 @@
+/* Copyright (C) 2003 MySQL AB
+
+   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; either version 2 of the License, or
+   (at your option) any later version.
+
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef _LOG_LEVEL_HPP
+#define _LOG_LEVEL_HPP
+
+#include <ndb_types.h>
+#include <assert.h>
+
+/**
+ * 
+ */
+class LogLevel {
+  friend class Config;
+public:
+  /**
+   * Constructor
+   */
+  LogLevel();
+  
+  /**
+   * Howto add a new event category:
+   * 1. Add the new event category to EventCategory below
+   * 2. Update #define _LOGLEVEL_CATEGORIES (found below) with the number of 
+   *    items in EventCategory 
+   * 3. Update LogLevelCategoryName in LogLevel.cpp
+   * 4. Add the event in EventLogger
+   */
+
+
+  /**
+   * Copy operator
+   */
+  LogLevel & operator= (const LogLevel &);
+  
+  enum EventCategory {
+    /**
+     * Events during all kind of startups
+     */
+    llStartUp = 0,
+    
+    /**
+     * Events during shutdown
+     */
+    llShutdown = 1,
+
+    /**
+     * Transaction statistics
+     *   Job level
+     *   TCP/IP speed
+     */
+    llStatistic = 2,
+    
+    /**
+     * Checkpoints
+     */
+    llCheckpoint = 3,
+    
+    /**
+     * Events during node restart
+     */
+    llNodeRestart = 4,
+
+    /**
+     * Events related to connection / communication
+     */
+    llConnection = 5,
+
+    /**
+     * Assorted event w.r.t unexpected happenings
+     */
+    llError = 6,
+
+    /**
+     * Assorted event w.r.t information
+     */
+    llInfo = 7,
+
+    /**
+     * Events related to global replication
+     */
+    llGrep = 8
+  };
+
+  struct LogLevelCategoryName {
+    const char* name;
+  };
+
+  /**
+   * Log/event level category names. Remember to update the names whenever
+   * a new category is added.
+   */
+  static const LogLevelCategoryName LOGLEVEL_CATEGORY_NAME[];
+
+  /**
+   * No of categories
+   */
+#define _LOGLEVEL_CATEGORIES 9
+  static const Uint32 LOGLEVEL_CATEGORIES = _LOGLEVEL_CATEGORIES;
+
+  void clear();
+
+  /**
+   * Note level is valid as 0-15
+   */
+  void setLogLevel(EventCategory ec, Uint32 level = 7);
+  
+  /**
+   * Get the loglevel (0-15) for a category
+   */
+  Uint32 getLogLevel(EventCategory ec) const;
+  
+private:
+  /**
+   * The actual data
+   */
+  Uint32 logLevelData[LOGLEVEL_CATEGORIES];
+  
+  LogLevel(const LogLevel &);
+};
+
+inline
+LogLevel::LogLevel(){
+  clear();  
+}
+
+inline
+LogLevel & 
+LogLevel::operator= (const LogLevel & org){
+  for(Uint32 i = 0; i<LOGLEVEL_CATEGORIES; i++){
+    logLevelData[i] = org.logLevelData[i];
+  }
+  return * this;
+}
+
+inline
+void
+LogLevel::clear(){
+  for(Uint32 i = 0; i<LOGLEVEL_CATEGORIES; i++){
+    logLevelData[i] = 0;
+  }
+}
+
+inline
+void
+LogLevel::setLogLevel(EventCategory ec, Uint32 level){
+  assert(ec >= 0 && (Uint32) ec < LOGLEVEL_CATEGORIES);
+  logLevelData[ec] = level;
+}
+
+inline
+Uint32
+LogLevel::getLogLevel(EventCategory ec) const{
+  assert(ec >= 0 && (Uint32) ec < LOGLEVEL_CATEGORIES);
+
+  return logLevelData[ec];
+}
+
+
+#endif