int main(int argc, char **argv) {
pthread_t tListen;
pthread_t tTap;
pthread_t tPoll;
if(argc != 2) {
exit(EXIT_FAILURE);
}
/* Parse config file */
struct peerlist* peers;
config = malloc(sizeof(struct ConfigInfo));
getConfigInfo(argv[1], config, peers);
printf("Listenport is %u\n",config->listenport);
/* Run TCP Server Thread */
pthread_create(&tListen, NULL, listenerHandler, (void *)tcp_fd);
if(config == NULL) printf("NULL CONFIG ABOUT\n");
/* Run TAP Thread if device has TAP */
if(config->tap != NULL){
printf("HEY TP\n");
TAP_NAME = config->tap;
printf("TAP NAME IS %s\n",localTapName);
pthread_create(&tTap, NULL, tapHandler, (void *)tap_fd);
}
/* Run Polling Thread */
pthread_create(&tPoll, NULL, refreshMembersHandle, (void *)peers);
/* Connect to peers */
connectToPeers(peers);
/* Wait for TCP and TAP and Polling thread */
pthread_join(tListen, NULL);
if(config->tap !=NULL){
pthread_join(tTap, NULL);
}
pthread_join(tPoll,NULL);
return 0;
}
int main(int argc, char **argv) {
parseParameters(argc, argv);
if (pthread_mutex_init(&lock, NULL) != 0) {
printf("ERROR: cannot initialize mutex! \n");
exit(1);
}
connectToDFServer();
connectToPeers();
unsigned long t1, t2;
struct timespec clock;
unsigned long sleep_time;
char buffer[MSG_SIZE];
int num_received_bytes;
int num_sent_bytes;
/* Start by resetting the inputs and outputs to their default values */
pthread_mutex_lock(&lock);
clear_ua_inputs();
clear_ua_outputs();
initializeCustomLogic();
pthread_mutex_unlock(&lock);
while (1) {
clock_gettime(CLOCK_REALTIME, &clock);
t1 = clock.tv_sec * 1000000L;
pthread_mutex_lock(&lock);
/* Receive all input signals from DF server */
num_received_bytes = recv(DF_server_socket, buffer, MSG_SIZE, MSG_DONTWAIT);
if (num_received_bytes > 0)
ua_receive((buffer_el *) buffer, num_received_bytes, &ua_inputs, NULL);
/* Call the User Application generated by SCADE */
executeOperator();
/* Clear inputs after each cycle update */
clear_ua_inputs();
pthread_mutex_unlock(&lock);
/* Send all output signals to DF server */
num_sent_bytes = ua_send((buffer_el *) buffer, &ua_outputs, NULL);
send(DF_server_socket, buffer, num_sent_bytes, MSG_DONTWAIT);
/* Send messages to each peer */
sendMessagesToPeers();
executeCustomLogic();
clock_gettime(CLOCK_REALTIME, &clock);
t2 = clock.tv_sec * 1000000L;
sleep_time = 100000L;
if (t2 - t1 > sleep_time)
printf("Timing: cycle delayed by %d milliseconds! \n", (int) (((t2 - t1) - sleep_time)/1000L));
else
usleep(sleep_time - (t2 - t1));
}
pthread_join(thread_receiver, NULL);
close(DF_server_socket);
close(broadcast_socket);
close(listening_socket);
pthread_mutex_destroy(&lock);
return 0;
}