void GLWidget::initializeGL() {
initializeOpenGLFunctions();
emit signalInit();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
int side = qMin(width(), height());
glViewport((width() - side) / 2, (height() - side) / 2, side, side);
}
// ****************************************************************
int main() {
/* reset number generator seed */
srand(time(NULL) + getpid());
//srand(0); // to get the same sequence
/* initialize the price and it's mutex */
currentPriceX10 = 1000;
price_mut = malloc (sizeof(pthread_mutex_t));
pthread_mutex_init(price_mut,NULL);
slimit = signalInit();
lim = signalInit();
/* Open the log file for writing */
log_file = fopen("logfile.txt","w+");
/*
* Initialize the array that we will use in order to log the type of each
* of the order that are received by the system.
* It is used only to by the cancel thread to find where each order has gone.
*/
saves.mut = malloc(sizeof(pthread_mutex_t));
pthread_mutex_init(saves.mut,NULL);
saves.archive = calloc(INT_MAX,sizeof(char));
if(saves.archive == NULL) perror( "Not enough memory" );
/* Start the time for timestamps */
gettimeofday (&startwtime, NULL);
/* Create all the thread variables */
pthread_t prod, cons, cons2, market, lim_thread, stop_thread, slim_thread, cancel;
/* Initialize the incoming order queue */
queue *q = queueInit(0);
/* Initialize the buy and sell market queues. */
msq = queueInit(0);
mbq = queueInit(0);
/* Initialize the buy and sell limit order queues */
lsq = queueInit(ASC);
lbq = queueInit(DESC);
/* Initialize the buy and sell stop order queues */
ssq = queueInit(ASC);
sbq = queueInit(DESC);
/* Initialize the buy and sell stop limit order queues */
tsq = queueInit(ASC);
tbq = queueInit(DESC);
/* Initialize the cancel queue */
cq = queueInit(0);
printf(" buffer |market sell|market buy|limit sell|limit buy |stop sell | stop buy |slimit sell|slimit buy | current price");
printf("\n\n");
/* Create and launch all the appropriate threads */
pthread_create(&prod, NULL, Prod, q);
pthread_create(&cons, NULL, Cons, q);
pthread_create(&cons2, NULL, Cons, q);
pthread_create(&lim_thread, NULL, limitWorker, NULL);
pthread_create(&market, NULL, marketWorker, NULL);
pthread_create(&stop_thread, NULL, stopWorker, NULL);
pthread_create(&slim_thread, NULL, stoplimitWorker, NULL);
pthread_create(&cancel, NULL, cancelWorker, NULL);
/* Join the producer thread. I actually do not expect it to ever terminate */
pthread_join(prod, NULL);
pthread_exit(NULL);
}
