Fawkes API
Fawkes Development Version
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00001 00002 /*************************************************************************** 00003 * timesource.cpp - Fawkes TimeSourceAspect initializer/finalizer 00004 * 00005 * Created: Wed Nov 24 00:39:37 2010 00006 * Copyright 2006-2010 Tim Niemueller [www.niemueller.de] 00007 * 00008 ****************************************************************************/ 00009 00010 /* This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. A runtime exception applies to 00014 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Library General Public License for more details. 00020 * 00021 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00022 */ 00023 00024 #include <aspect/inifins/time_source.h> 00025 #include <aspect/time_source.h> 00026 #include <utils/time/clock.h> 00027 #include <core/threading/thread_finalizer.h> 00028 00029 namespace fawkes { 00030 #if 0 /* just to make Emacs auto-indent happy */ 00031 } 00032 #endif 00033 00034 /** @class TimeSourceAspectIniFin <aspect/inifins/time_source.h> 00035 * Initializer/finalizer for the TimeSourceAspect. 00036 * @author Tim Niemueller 00037 */ 00038 00039 /** Constructor. 00040 * @param clock clock to register time source to 00041 */ 00042 TimeSourceAspectIniFin::TimeSourceAspectIniFin(Clock *clock) 00043 : AspectIniFin("TimeSourceAspect") 00044 { 00045 __clock = clock; 00046 } 00047 00048 00049 void 00050 TimeSourceAspectIniFin::init(Thread *thread) 00051 { 00052 TimeSourceAspect *timesource_thread; 00053 timesource_thread = dynamic_cast<TimeSourceAspect *>(thread); 00054 if (timesource_thread == NULL) { 00055 throw CannotInitializeThreadException("Thread '%s' claims to have the " 00056 "TimeSourceAspect, but RTTI says it " 00057 "has not. ", thread->name()); 00058 } 00059 00060 try { 00061 __timesource_uc.add(timesource_thread->get_timesource()); 00062 __clock->register_ext_timesource(timesource_thread->get_timesource(), 00063 /* make default */ true); 00064 } catch (Exception &e) { 00065 throw CannotInitializeThreadException("Thread has TimeSourceAspect but there " 00066 "is already another time provider."); 00067 } 00068 } 00069 00070 00071 void 00072 TimeSourceAspectIniFin::finalize(Thread *thread) 00073 { 00074 TimeSourceAspect *timesource_thread; 00075 timesource_thread = dynamic_cast<TimeSourceAspect *>(thread); 00076 if (timesource_thread == NULL) { 00077 throw CannotInitializeThreadException("Thread '%s' claims to have the " 00078 "TimeSourceAspect, but RTTI says it " 00079 "has not. ", thread->name()); 00080 } 00081 00082 try { 00083 __clock->remove_ext_timesource(timesource_thread->get_timesource()); 00084 __timesource_uc.remove(timesource_thread->get_timesource()); 00085 } catch (Exception &e) { 00086 CannotFinalizeThreadException ce("Failed to remove time source"); 00087 ce.append(e); 00088 throw; 00089 } 00090 } 00091 00092 00093 } // end namespace fawkes