UDPpacket *raw_NET2_UDPRead(int s)
{
UDPpacket *p = NULL;
PacketQue *ub = NULL;
if ((s >= 0) &&
(s < lastHeapSocket) &&
(socketHeap[s]->type == UDPServerSocket))
{
ub = &socketHeap[s]->q.ub;
if (-1 == DequePacket(ub, &p))
{
return NULL;
}
}
return p;
}
//
// free a socket
//
static __inline__ void FreeSocket(int s)
{
if ((s >= 0) &&
(s < lastHeapSocket) &&
(socketHeap[s]->type != unusedSocket))
{
if (UDPServerSocket == socketHeap[s]->type)
{
UDPpacket *p;
PacketQue *ub = &socketHeap[s]->q.ub;
while (-1 != DequePacket(ub, &p))
{
SDLNet_FreePacket(p);
}
}
socketHeap[s]->type = unusedSocket;
socketHeap[s]->state = unusedState;
socketHeap[s]->s.genSocket = NULL;
}
}
void *Service(void* arg){
My402ListInit(&Q2_node);
double time_in_system = 0.0;
while(1){
My402ListElem *first_elem = NULL ;
Packet_desc *p = NULL;
if(total_packets_prod == num && My402ListEmpty(&Q2_node) && My402ListEmpty(&Q1_node)){
pthread_cond_broadcast(&serverQ);
break;
}
pthread_mutex_lock(&lock);
while(curr_q2_size == 0 && !interrupt_called){
pthread_cond_wait(&serverQ, &lock);
}
if((total_packets_prod == num && My402ListEmpty(&Q2_node) && My402ListEmpty(&Q1_node)) || interrupt_called){
pthread_exit(0);
}
first_elem = My402ListFirst(&Q2_node);
if(first_elem->obj == NULL){
fprintf(stderr,"Error: Obj is NULL");
pthread_exit(0);
}
p = (Packet_desc*)first_elem->obj;
DequePacket(p,first_elem);
p->S_time_enters = GetMTimeOfDay();
pthread_mutex_unlock(&lock);
usleep(p->ser_time*THOUSAND);
pthread_mutex_lock(&lock);
packet_served++;
p->total_S_time = GetMTimeOfDay()- p->S_time_enters;
time_in_system = GetMTimeOfDay()- p->Q1_time_enters;
sys_variance += time_in_system * time_in_system ;
/* Calculate total time for the packets served */
total_ser_time += p->total_S_time;
total_sys_time += time_in_system;
time_in_Q1 += p->total_Q1_time;
time_in_Q2 += p->total_Q2_time;
fprintf(stdout, "%012.3lfms: p%d departs from S, service time = %.3fms, time in system = %.3fms\n",GetMTimeOfDay(), p->name_ID,p->total_S_time,time_in_system);
free(p);
pthread_mutex_unlock(&lock);
}
return 0;
}
