Extract common code out into kdm_for_screen()

[dcpomatic.git] / src / lib / timer.h

diff --git a/src/lib/timer.h b/src/lib/timer.h
index 4a5aa12de331c0fe5b024144bc18923e76ccc8eb..bd4e652f811cfe04d254e252f680973e5c2ed2c7 100644 (file)
--- a/src/lib/timer.h
+++ b/src/lib/timer.h
@@ -1,20 +1,20 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
-    Copyright (C) 2000-2007 Paul Davis
+    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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,
+    DCP-o-matic 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
@@ -25,9 +25,10 @@
 #ifndef DCPOMATIC_TIMER_H
 #define DCPOMATIC_TIMER_H
 
+#include <sys/time.h>
+#include <boost/optional.hpp>
 #include <string>
 #include <map>
-#include <sys/time.h>
 
 /** @class PeriodTimer
  *  @brief A class to allow timing of a period within the caller.
@@ -37,9 +38,9 @@
 class PeriodTimer
 {
 public:
-       PeriodTimer (std::string n);
+       explicit PeriodTimer (std::string n);
        ~PeriodTimer ();
-       
+
 private:
 
        /** name to use when giving output */
@@ -59,20 +60,44 @@ private:
 class StateTimer
 {
 public:
+       explicit StateTimer (std::string n);
        StateTimer (std::string n, std::string s);
        ~StateTimer ();
 
-       void set_state (std::string s);
+       void set (std::string s);
+       void unset ();
+
+       std::string name () const {
+               return _name;
+       }
+
+       class Counts
+       {
+       public:
+               Counts ()
+                       : total_time (0)
+                       , number (0)
+               {}
+
+               double total_time;
+               int number;
+       };
+
+       std::map<std::string, Counts> counts () const {
+               return _counts;
+       }
 
 private:
+       void set_internal (boost::optional<std::string> s);
+
        /** name to add to the output */
        std::string _name;
        /** current state */
-       std::string _state;
+       boost::optional<std::string> _state;
        /** time that _state was entered */
        double _time;
-       /** time that has been spent in each state so far */
-       std::map<std::string, double> _totals;
+       /** total time and number of entries for each state */
+       std::map<std::string, Counts> _counts;
 };
 
 #endif