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/*
* timing.cxx
*
* Sample program to test PWLib PAdaptiveDelay.
*
* Portable Windows Library
*
* Copyright (c) 2003 Roger Hardiman
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Portable Windows Library.
*
* The Initial Developer of the Original Code is Roger Hardiman
*
* $Log: timing.cxx,v $
* Revision 1.4 2005/11/15 22:27:29 dereksmithies
* Modify output format so it better shows the delay characteristics of PAdaptiveDelay
*
* Revision 1.3 2004/05/18 12:47:38 rjongbloed
* Added time, time interval and timer test/demonstration code
*
* Revision 1.2 2004/05/18 12:25:18 rjongbloed
* Added time, time interval and timer test/demonstration code
*
* Revision 1.1 2003/02/19 14:10:11 rogerh
* Add a program to test PAdaptiveDelay
*
*
*
*/
#include <ptlib.h>
#include <ptclib/delaychan.h>
/*
* The main program class
*/
class TimingTest : public PProcess
{
PCLASSINFO(TimingTest, PProcess)
public:
void Main();
};
PCREATE_PROCESS(TimingTest);
#define TEST_TIME(t) cout << t << " => " << PTime(t) << '\n'
// The main program
void TimingTest::Main()
{
cout << "Timing Test Program\n" << endl;
PTime now;
cout << "Time is now " << now.AsString("h:m:s.u d/M/y") << "\n"
"Time is now " << now.AsString("yyyy/MM/dd h:m:s.uuuu") << "\n"
"Time is now " << now.AsString("MMM/d/yyyyy w h:m:sa") << "\n"
"Time is now " << now.AsString("wwww d/M/yyy h:m:s.uu") << "\n"
"Time is now " << now.AsString("www d/MMMM/yy h:m:s.uuu") << endl;
cout << "\nTesting time string conversion" << endl;
TEST_TIME("20010203T1234Z");
TEST_TIME("20010203T1234");
TEST_TIME("20010203T0034");
TEST_TIME("20010203T10034");
TEST_TIME("20010203T123456+1100");
TEST_TIME("20010203T000056");
TEST_TIME("20010203T123456");
TEST_TIME("2001-02-03 T 12:34:56");
TEST_TIME("5/03/1999 12:34:56");
TEST_TIME("15/06/1999 12:34:56");
TEST_TIME("15/06/01 12:34:56 PST");
TEST_TIME("5/06/02 12:34:56");
TEST_TIME("5/23/1999 12:34am");
TEST_TIME("5/23/00 12:34am");
TEST_TIME("1999/23/04 12:34:56");
TEST_TIME("Mar 3, 1999 12:34pm");
TEST_TIME("3 Jul 2004 12:34pm");
TEST_TIME("12:34:56 5 December 1999");
TEST_TIME("10 minutes ago");
TEST_TIME("2 weeks");
cout << "\nTesting time interval arithmetic" << endl;
PTime then("1 month ago");
PTimeInterval elapsed = now - then;
cout << "Now=" << now << "\n"
"Then=" << then << "\n"
"Elapsed=" << elapsed << "\n"
"Milliseconds=" << elapsed.GetMilliSeconds() << "\n"
"Seconds=" << elapsed.GetSeconds() << "\n"
"Minutes=" << elapsed.GetMinutes() << "\n"
"Hours=" << elapsed.GetHours() << "\n"
"Days=" << elapsed.GetDays() << endl;
then += PTimeInterval(0,0,0,0,30);
cout << "Then plus 30 days=" << then << endl;
cout << "\nTesting timer resolution, reported as " << PTimer::Resolution() << "ms" << endl;
time_t oldSec = time(NULL); // Wait for second boundary
while (oldSec == time(NULL))
;
oldSec++;
PTimeInterval newTick = PTimer::Tick();
PTimeInterval oldTick = newTick;
unsigned count = 0;
while (oldSec == time(NULL)) { // For one full second
while (newTick == oldTick)
newTick = PTimer::Tick();
oldTick = newTick;
count++; // Count the changes in tick
} ;
cout << "Actual resolution is " << 1000000/count << "us" << endl;
oldTick = 123456;
cout << "TimeInterval output: \"" << setw(15) << newTick << '"' << endl;
cout << "TimeInterval output: \"" << setw(15) << oldTick << '"' << endl;
int p;
for (p = 3; p < 10; p++)
cout << "TimeInterval output: " << p << " \""
<< setiosflags(ios::scientific)
<< setw(p) << setprecision(2) << oldTick
<< resetiosflags(ios::scientific) << '"' << endl;
for (p = 3; p < 20; p++)
cout << "TimeInterval output: " << p << " \""
<< setw(p) << setprecision(2) << oldTick << '"' << endl;
cout << "\nTesting sleep function" << endl;
PTime start_time1;
PINDEX loop;
for(loop = 0; loop < 10; loop++) {
Sleep(10 * 1000); //10 seconds, or 10 * 1000ms
PTime now1;
cout << now1-start_time1 << endl;
}
PTime end_time1;
cout << "The first loop took "<< end_time1-start_time1 << " milliseconds." << endl;
cout << "\nTesting adaptive delay function" << endl;
PAdaptiveDelay delay;
PTime start_time2;
cout << "Start at " << start_time2.AsString("hh.mm:ss.uuu") << endl;
for(loop = 0; loop < 10; loop++) {
delay.Delay(150);
PTime now2;
cout << "#" << setw(2) << (loop + 1) <<" ";
cout << "After " << setw(4) << ((loop + 1)* 150) << "ms, time is " << now2.AsString("hh.mm:ss.uuu");
PTimeInterval gap = now2-start_time2;
cout << " Elapsed time since start is " << setfill('0') << setw(2) << gap.GetSeconds() << ":" << setw(3) << (gap.GetMilliSeconds() % 1000) << endl;
}
PTime end_time2;
cout << "The second loop took "<< end_time2-start_time2 << " milliseconds." << endl;
}
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