Function mainloop

freebsd/netpfil/ipfw/test/main.c:201–246

}

static int
mainloop(struct cfg_s *c)
{
	int i;
	struct mbuf *m;

	for (i=0; i < c->loops; i++) {
		/* implement histeresis */
		controller(c);
		DX(3, "loop %d enq %d send %p rx %d",
			i, c->_enqueue, c->tosend, c->can_dequeue);
		if ( (m = c->tosend) ) {
			int ret;
			struct dn_queue *q = FI2Q(c, m->flow_id);
			c->_enqueue++;
			ret = c->enq(c->si, q, m);
			if (ret) {
				drop(c, m);
				D("loop %d enqueue fail", i );
				/*
				 * XXX do not insist; rather, try dequeue
				 */
				goto do_dequeue;
			} else {
				ND("enqueue ok");
				c->pending++;
				gnet_stats_enq(c, m);
			}
		} else if (c->can_dequeue) {
do_dequeue:
			c->dequeue++;
			m = c->deq(c->si);
			if (m) {
				c->pending--;
				drop(c, m);
				c->drop--;	/* compensate */
				gnet_stats_deq(c, m);
			} else {
				D("--- ouch, cannot operate on iteration %d, pending %d", i, c->pending);
				break;
			}
		}
	}
	DX(1, "mainloop ends %d", i);
	return 0;
}

int
dump(struct cfg_s *c)