void
ccnl_face_CTS(struct ccnl_relay_s *ccnl, struct ccnl_face_s *f)
{
struct ccnl_buf_s *buf;
DEBUGMSG_CORE(TRACE, "CTS face=%p sched=%p\n", (void*)f, (void*)f->sched);
if (!f->frag || f->frag->protocol == CCNL_FRAG_NONE) {
buf = ccnl_face_dequeue(ccnl, f);
if (buf)
ccnl_interface_enqueue(ccnl_face_CTS_done, f,
ccnl, ccnl->ifs + f->ifndx, buf, &f->peer);
}
#ifdef USE_FRAG
else {
sockunion dst;
int ifndx = f->ifndx;
buf = ccnl_frag_getnext(f->frag, &ifndx, &dst);
if (!buf) {
buf = ccnl_face_dequeue(ccnl, f);
ccnl_frag_reset(f->frag, buf, f->ifndx, &f->peer);
buf = ccnl_frag_getnext(f->frag, &ifndx, &dst);
}
if (buf) {
ccnl_interface_enqueue(ccnl_face_CTS_done, f,
ccnl, ccnl->ifs + ifndx, buf, &dst);
#ifndef USE_SCHEDULER
ccnl_face_CTS(ccnl, f); // loop to push more fragments
#endif
}
}
#endif
}
int ccnl_face_enqueue(struct ccnl_relay_s *ccnl, struct ccnl_face_s *to,
struct ccnl_buf_s *buf)
{
struct ccnl_buf_s *msg;
DEBUGMSG(20, "ccnl_face_enqueue face=%p (id=%d.%d) buf=%p len=%d\n",
(void *) to, ccnl->id, to->faceid, (void *) buf, buf->datalen);
for (msg = to->outq; msg; msg = msg->next) // already in the queue?
if (buf_equal(msg, buf)) {
DEBUGMSG(31, " not enqueued because already there\n");
ccnl_free(buf);
return -1;
}
buf->next = NULL;
if (to->outqend) {
to->outqend->next = buf;
}
else {
to->outq = buf;
}
to->outqend = buf;
ccnl_face_CTS(ccnl, to);
return 0;
}
int
ccnl_face_enqueue(struct ccnl_relay_s *ccnl, struct ccnl_face_s *to,
struct ccnl_buf_s *buf)
{
struct ccnl_buf_s *msg;
if (buf == NULL) {
DEBUGMSG_CORE(ERROR, "enqueue face: buf most not be NULL\n");
return -1;
}
DEBUGMSG_CORE(TRACE, "enqueue face=%p (id=%d.%d) buf=%p len=%zd\n",
(void*) to, ccnl->id, to->faceid, (void*) buf, buf ? buf->datalen : -1);
for (msg = to->outq; msg; msg = msg->next) // already in the queue?
if (buf_equal(msg, buf)) {
DEBUGMSG_CORE(VERBOSE, " not enqueued because already there\n");
ccnl_free(buf);
return -1;
}
buf->next = NULL;
if (to->outqend)
to->outqend->next = buf;
else
to->outq = buf;
to->outqend = buf;
#ifdef USE_SCHEDULER
if (to->sched) {
#ifdef USE_FRAG
int len, cnt = ccnl_frag_getfragcount(to->frag, buf->datalen, &len);
#else
int len = buf->datalen, cnt = 1;
#endif
ccnl_sched_RTS(to->sched, cnt, len, ccnl, to);
} else
ccnl_face_CTS(ccnl, to);
#else
ccnl_face_CTS(ccnl, to);
#endif
return 0;
}