source: src/log.cpp@ 711ac2

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Last change on this file since 711ac2 was 58ed4a, checked in by Frederik Heber <heber@…>, 15 years ago

Log() and eLog() are prepended by a DoLog()/DoeLog() construct.

  • Most of the run time (95%) is spent on verbosity that it is discarded anyway due to a low verbosity setting. However, the operator << is evaluated from the right-hand side, hence the whole message is constructed and then thrown away.
  • DoLog() and DoeLog() are new functions that check the verbosity beforehand and are used as follows: DoLog(2) && (Log() << verbose(2) << "message" << endl);

Signed-off-by: Frederik Heber <heber@…>
  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 * log.cpp
3 *
4 * Created on: Oct 19, 2009
5 * Author: metzler
6 */
7
8#include "logger.hpp"
9#include "errorlogger.hpp"
10
11/**
12 * Sets verbosity for the error logger and the standard logger.
13 *
14 * \param int verbosity level
15 */
16void setVerbosity(int verbosityLevel) {
17 logger::getInstance()->setVerbosity(verbosityLevel);
18 errorLogger::getInstance()->setVerbosity(verbosityLevel);
19}
20
21/**
22 * Prints a log entry.
23 *
24 * \param indentation level of the message to log
25 */
26class logger * Log() {
27 return logger::getInstance();
28}
29
30/** Checks verbosity for logger.
31 * Is supposed to be used in construct as this:
32 * DoLog(2) && (Log() << Verbose(2) << "message." << endl);
33 * If DoLog does not return true, the right-hand side is not evaluated and we save some time.
34 * \param verbose verbosity level of this message
35 * \return true - print, false - don't
36 */
37bool DoLog(int verbose) {
38 return verbose <= logger::getInstance()->verbosity;
39}
40
41/** Checks verbosity for errorlogger.
42 * Is supposed to be used in construct as this:
43 * DoLog(2) && (Log() << Verbose(2) << "message." << endl);
44 * If DoLog does not return true, the right-hand side is not evaluated and we save some time.
45 * \param verbose verbosity level of this message
46 * \return true - print, false - don't
47 */
48bool DoeLog(int verbose) {
49 return verbose <= errorLogger::getInstance()->verbosity;
50}
51
52/**
53 * Prints an error log entry.
54 *
55 * \param indentation level of the message to log
56 */
57class errorLogger * eLog() {
58 return errorLogger::getInstance();
59}
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