trick/trick_source/sim_services/RealtimeInjector/src/RtiExec.cpp

74 lines
1.9 KiB
C++
Raw Normal View History

2015-02-26 15:02:31 +00:00
#include "RtiExec.hh"
#include "sim_services/Message/include/message_proto.h"
#include "sim_services/Executive/include/exec_proto.h"
Trick::RtiExec::RtiExec() :
frame_multiple(1) ,
frame_offset(0) ,
debug(false) {
pthread_mutex_init(&list_mutex, NULL) ;
}
Trick::RtiExec::~RtiExec() {}
/**
@details
-# lock the file_list mutex
-# add the new list to the fire_list
-# unlock the file_list mutex
*/
void Trick::RtiExec::AddToFireList( RtiList * rti_list ) {
pthread_mutex_lock(&list_mutex) ;
fire_list.push_back(rti_list) ;
pthread_mutex_unlock(&list_mutex) ;
}
/**
@details
-# If the current frame is the correct frame multiple and offset
-# If there is a list of injections in the fire_list
-# Try to unlock the file_list mutex
-# If successful, execute the fire_list and clear the list
-# unlock the mutex
*/
int Trick::RtiExec::Exec () {
long long curr_frame = exec_get_frame_count() ;
curr_frame %= frame_multiple ;
if ( curr_frame == frame_offset ) {
if ( ! fire_list.empty() ) {
// use trylock so we don't block if the mutex is in use.
if ( pthread_mutex_trylock(&list_mutex) == 0 ) {
std::vector < RtiList * >::iterator rlit ;
for ( rlit = fire_list.begin() ; rlit != fire_list.end() ; rlit++ ) {
(*rlit)->execute(debug) ;
delete (*rlit) ;
}
fire_list.clear() ;
pthread_mutex_unlock(&list_mutex) ;
}
}
}
return (0);
}
void Trick::RtiExec::SetDebug( bool on_off ) {
debug = on_off ;
}
int Trick::RtiExec::SetFrameMultiple( unsigned int mult ) {
frame_multiple = mult ;
return 0 ;
}
int Trick::RtiExec::SetFrameOffset( unsigned int offset ) {
if ( offset >= frame_multiple ) {
message_publish(MSG_ERROR, "RTI frame offset must be less than frame_multiple\n") ;
return -1 ;
}
frame_offset = offset ;
return 0 ;
}