kurtis.heimerl | 8fd86a5 | 2012-12-16 06:23:29 +0000 | [diff] [blame] | 1 | /**@file Module for performance-reporting mechanisms. */ |
| 2 | /* |
| 3 | * Copyright 2012 Range Networks, Inc. |
| 4 | * |
| 5 | * This software is distributed under the terms of the GNU Affero Public License. |
| 6 | * See the COPYING file in the main directory for details. |
| 7 | * |
| 8 | * This use of this software may be subject to additional restrictions. |
| 9 | * See the LEGAL file in the main directory for details. |
| 10 | |
| 11 | This program is free software: you can redistribute it and/or modify |
| 12 | it under the terms of the GNU Affero General Public License as published by |
| 13 | the Free Software Foundation, either version 3 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU Affero General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU Affero General Public License |
| 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 23 | |
| 24 | */ |
| 25 | |
| 26 | #ifndef REPORTING_H |
| 27 | #define REPORTING_H |
| 28 | |
| 29 | #include <sqlite3util.h> |
| 30 | #include <ostream> |
| 31 | |
| 32 | |
| 33 | /** |
| 34 | Collect performance statistics into a database. |
| 35 | Parameters are counters or max/min trackers, all integer. |
| 36 | */ |
| 37 | class ReportingTable { |
| 38 | |
| 39 | private: |
| 40 | |
| 41 | sqlite3* mDB; ///< database connection |
| 42 | int mFacility; ///< rsyslogd facility |
| 43 | |
| 44 | |
| 45 | |
| 46 | public: |
| 47 | |
| 48 | /** |
| 49 | Open the database connection; |
| 50 | create the table if it does not exist yet. |
| 51 | */ |
| 52 | ReportingTable(const char* filename); |
| 53 | |
| 54 | /** Create a new parameter. */ |
| 55 | bool create(const char* paramName); |
| 56 | |
| 57 | /** Create an indexed parameter set. */ |
| 58 | bool create(const char* baseBame, unsigned minIndex, unsigned maxIndex); |
| 59 | |
| 60 | /** Increment a counter. */ |
| 61 | bool incr(const char* paramName); |
| 62 | |
| 63 | /** Increment an indexed counter. */ |
| 64 | bool incr(const char* baseName, unsigned index); |
| 65 | |
| 66 | /** Take a max of a parameter. */ |
| 67 | bool max(const char* paramName, unsigned newVal); |
| 68 | |
| 69 | /** Take a max of an indexed parameter. */ |
| 70 | bool max(const char* paramName, unsigned index, unsigned newVal); |
| 71 | |
| 72 | /** Clear a value. */ |
| 73 | bool clear(const char* paramName); |
| 74 | |
| 75 | /** Clear an indexed value. */ |
| 76 | bool clear(const char* paramName, unsigned index); |
| 77 | |
| 78 | /** Dump the database to a stream. */ |
| 79 | void dump(std::ostream&) const; |
| 80 | |
| 81 | }; |
| 82 | |
| 83 | #endif |
| 84 | |
| 85 | |
| 86 | // vim: ts=4 sw=4 |