int
sin_bind(void *s, const struct sockaddr *addr, socklen_t addrlen, int *e)
{
struct sin_socket *ssp;
struct sin_addr *saddr;
ssp = (struct sin_socket *)s;
if (ssp->src == NULL) {
ssp->src = malloc(sizeof(struct sin_addr) + addrlen);
if (ssp->src == NULL) {
_SET_ERR(e, ENOMEM);
return (-1);
}
SIN_TYPE_SET(ssp->src, _SIN_TYPE_ADDR);
ssp->src->addr = (struct sockaddr *)((char *)ssp->src +
sizeof(struct sin_addr));
} else if (addrlen > ssp->src->addrlen) {
SIN_TYPE_ASSERT(ssp->src, _SIN_TYPE_ADDR);
saddr = realloc(ssp->src, sizeof(struct sin_addr) + addrlen);
if (saddr == NULL) {
_SET_ERR(e, ENOMEM);
return (-1);
}
ssp->src = saddr;
}
memcpy(ssp->src->addr, addr, addrlen);
ssp->src->addrlen = addrlen;
return (0);
}
int
sin_wrk_thread_ctor(struct sin_type_wrk_thread *swtp, const char *tname,
void *(*start_routine)(void *), int *e)
{
int rval;
swtp->sin_type = _SIN_TYPE_WRK_THREAD;
swtp->pvt = malloc(sizeof(struct sin_wrk_thread_private));
if (swtp->pvt == NULL) {
_SET_ERR(e, ENOMEM);
return (-1);
}
memset(swtp->pvt, '\0', sizeof(struct sin_wrk_thread_private));
asprintf(&swtp->pvt->tname, "worker thread(%s)", tname);
if (swtp->pvt->tname == NULL) {
_SET_ERR(e, ENOMEM);
goto er_undo_0;
}
swtp->pvt->ctrl_queue = sin_wi_queue_ctor(e, "%s control queue", tname);
if (swtp->pvt->ctrl_queue == NULL) {
goto er_undo_1;
}
swtp->pvt->sigterm = sin_signal_ctor(SIGTERM, e);
if (swtp->pvt->sigterm == NULL) {
goto er_undo_2;
}
swtp->pvt->runner = start_routine;
rval = pthread_create(&swtp->pvt->tid, NULL, (void *(*)(void *))&sin_wrk_thread_runner, swtp);
if (rval != 0) {
_SET_ERR(e, rval);
goto er_undo_3;
}
swtp->dtor = &sin_wrk_thread_dtor;
swtp->check_ctrl = &sin_wrk_thread_check_ctrl;
swtp->notify_on_ctrl = &sin_wrk_thread_notify_on_ctrl;
swtp->get_tname = &sin_wrk_thread_get_tname;
return (0);
er_undo_3:
sin_signal_dtor(swtp->pvt->sigterm);
er_undo_2:
sin_wi_queue_dtor(swtp->pvt->ctrl_queue);
er_undo_1:
free(swtp->pvt->tname);
er_undo_0:
free(swtp->pvt);
return (-1);
}
struct sin_signal *
sin_signal_ctor(int signum, int *e)
{
struct sin_signal *ssign;
ssign = malloc(sizeof(struct sin_signal));
if (ssign == NULL) {
_SET_ERR(e, ENOMEM);
return (NULL);
}
memset(ssign, '\0', sizeof(struct sin_signal));
SIN_TYPE_SET(ssign, _SIN_TYPE_SIGNAL);
ssign->signum = signum;
return (ssign);
}
struct sin_pkt *
sin_pkt_ctor(struct sin_pkt_zone *my_zone, int zone_idx,
struct netmap_ring *my_ring, int *e)
{
struct sin_pkt *pkt;
pkt = malloc(sizeof(struct sin_pkt));
if (pkt == NULL) {
_SET_ERR(e, ENOMEM);
return (NULL);
}
memset(pkt, '\0', sizeof(struct sin_pkt));
SIN_TYPE_SET(pkt, _SIN_TYPE_PKT);
pkt->ts = malloc(sizeof(struct timeval));
memset(pkt->ts, '\0', sizeof(struct timeval));
pkt->my_zone = my_zone;
pkt->my_ring = my_ring;
pkt->zone_idx = zone_idx;
pkt->my_slot = &(my_ring->slot[zone_idx]);
pkt->buf = NETMAP_BUF(my_ring, pkt->my_slot->buf_idx);
return (pkt);
}