docnotes.h

/**************************************************************************
###########################################################################
##
## $SHOWOFFDB_BEGIN_LICENSE$
## Copyright (C) 2011 Lorimark Solutions, LLC and/or its subsidiary(-ies).
##  All rights reserved.
##  Contact: Lorimark Solutions, LLC (info@showoff-db.org)
##
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##
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##  Alternatively, this file may be used under the terms of the GNU Lesser
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## GNU General Public License Usage
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##   packaging of this file.  Please review the following information to
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**   static std::vector<std::string> exceptions =
**   {
**     "session was killed",
**     "all threads are busy"
**   };
**
**   static std::vector<std::string> pop_exceptions =
**   {
**     "basic_string::at: __n", // this happens when a <space> is put after the time in a WTimeEdit field
**     "bad lexical cast"       // this happens when a '' nothing character is put where a number '0' is expected
**   };
**
**   /*
**   ** Try to notify the main application loop.
**   */
**   try
**   {
**     Wt::WApplication::notify(event);
**   }
**
**   /*
**   ** Handle the application exception.
**   */
**   catch( std::exception & exception )
**   {
**     /*
**     ** If this is an expected exception, then ignore it.  It just means
**     **  it's a dead session, that we don't really care about.
**     */
**     for( auto except : exceptions )
**       if( std::string(exception.what()).find(except) != std::string::npos )
**       {
**         COUT_( "redirecting to: " + originalUrl( internalPath() ) );
**         redirect( originalUrl( internalPath() ) );
**         quit();
**
**         return;
**       }
**
**     /*
**     ** prepare a message that we can send to the logs
**     **
**     */
**     auto message =
**       Wt::WString("EXCEPTION: '{1}'")
**       .arg( exception.what() )
**       .toUTF8()
**       ;
**
**     /*
**     ** Log the exception, and display it to the console as well.
**     **  Note that if you also are logging field-level-changes and
**     **  during one of those changes an exception is thrown, then
**     **  even if the exception does not reveal much about what
**     **  the source of the failure was, the log may contain everything
**     **  that was going on right before the exception was thrown.
**     **
**     */
**     txtLog( message, true );
**
**     /*
**     ** This may be an exception that we just want to pop-up
**     **  to the user.
**     **
**     */
**     for( auto except : pop_exceptions )
**       if( std::string(exception.what()).find(except) != std::string::npos )
**       {
**         Wt::WMessageBox::show
**         (
**           "Exception",
**           "<center>"
**           "  Oh oh, something went wrong,<br />"
**           "  please check what you are editing "
**           "  and try again"
**           "</center>"
**           , Wt::Ok
**         );
**
**         return;
**       }
**
**    COUT_( "\n\n\n\n\n\n<<<<< EXCEPTION >>>>>>>" );
**    COUT_( exception.what() );
**
**    /*
**    ** This exception was not expected, so send a text message to an administrator
**    **  that can hopefully deal with it.
**    **
**    */
**    auto result =
**      system
**      (
**        emailText
**        (
**          "exception",
**          message,
**          {"adminemail@somesuchthing.com"}
**        ).c_str()
**      );
**      (void)result;
**
**     /*
**     ** since this is a fatal exception, just refresh the app so that
**     **  everything properly reloads.
**     **
**     */
**     COUT_( "redirecting to: " + originalUrl( internalPath() ) );
**     redirect( originalUrl( internalPath() ) );
**     quit();
**
**   } // endcatch( std::exception & exception )
**
** } // endvoid CCB::BaseApp::notify( const Wt::WEvent & event )
** \endcode
**
*/


201   if( !app )
202     return;
203
204   /*
205   ** This task just runs forever, sleeping for a bit, and then
206   **  waking the app.
207   **
208   */
209   while( true )
210   {
211     /*
212     ** Sleep this thread for just one second
213     **  before doing anything
214     **
215     */
216     std::this_thread::sleep_for( std::chrono::seconds(1) );
217
218     /*
219     ** If the application has already quit, then there's nothing to do.
220     **
221     */
222     if( app-> hasQuit() )
223       return;
224
225     /*
226     ** Acquire an application lock.  If the application is busy handling
227     **  some user interaction, this call will block until that other
228     **  task has completed.
229     **
230     */
231     Wt::WApplication::UpdateLock lock( app );
232
233     /*
234     ** If we could not get a lock, then quit.  If we could not get a lock,
235     **  then it sort of implies that the application was being destroyed.
236     **  In that case, we don't want to do anything more anyhow, so we just
237     **  quit.
238     **
239     */
240     if( !lock )
241       return;
242
243     /*
244     ** Make the tic happen
245     **
246     */
247     app-> tic();
248
249     /*
250     ** After everything has fired, trigger an update.
251     **
252     */
253     app-> triggerUpdate();
254
255   } // endwhile( true )
256
257 } // endvoid Rtm::AppBase::tic_handler( Rtm::AppBase * app )
258

2024 void AdminWidget::hold_me()
2025 {
2026   for( int i = 0; i < 10; i++ )
2027   {
2028     std::cout << __FILE__ << ":" << __LINE__ << " holding... " << i << std::endl;
2029
2030     std::this_thread::sleep_for( std::chrono::seconds(1) );
2031   }
2032
2033   std::cout << __FILE__ << ":" << __LINE__ << " held." << std::endl;
2034
2035 }
2036


AppBase.cpp:198 0
[2020-Jul-08 08:45:25.400] AppBase.cpp:298 logs/Admin(1)/2020-07-08.log Admin(1) buildSite logon ip:71.170.246.90 w:1920 h:1080
[2020-Jul-08 13:45:26.471] 26022 [/staff2 tg4JC7kUmbwSwunn] [warning] "WApplication: WApplication::addMetaHeader() with no effect"
AppBase.cpp:198 1
[2020-Jul-08 13:45:27.406] 26022 [/staff2 tg4JC7kUmbwSwunn] [error] "Wt: decodeSignal(): signal 'orp26iu.render' not exposed"
AppBase.cpp:198 2
AppBase.cpp:198 3
AppBase.cpp:198 4
AppBase.cpp:198 5
src/AppStaff.cpp:2028 holding... 0
src/AppStaff.cpp:2028 holding... 1
src/AppStaff.cpp:2028 holding... 2
src/AppStaff.cpp:2028 holding... 3
src/AppStaff.cpp:2028 holding... 4
src/AppStaff.cpp:2028 holding... 5
src/AppStaff.cpp:2028 holding... 6
src/AppStaff.cpp:2028 holding... 7
src/AppStaff.cpp:2028 holding... 8
src/AppStaff.cpp:2028 holding... 9
src/AppStaff.cpp:2033 held.
AppBase.cpp:198 6
AppBase.cpp:198 7
AppBase.cpp:198 8
AppBase.cpp:198 9
^Csleep for 1
** \endcode
**
*/