struct ccn_charbuf* CcnbOR_read(CcnbOR self) {
if (NBS_error(self->nbs)) {
self->error = true;
return NULL;
}
uint8_t* buf = (uint8_t*)malloc(2048);
size_t readSize = NBS_read(self->nbs, buf, 2048, NULL);
if (readSize == 0) {
free(buf);
return NULL;
}
ssize_t consumeSize = ccn_skeleton_decode(self->rd, buf, readSize);
if (self->rd->state < 0) self->error = true;
else ccn_charbuf_append(self->cbuf, buf, consumeSize);
if (consumeSize < readSize) NBS_pushback(self->nbs, buf, consumeSize, readSize - consumeSize, NULL);
else free(buf);
if (CCN_FINAL_DSTATE(self->rd->state)) {
struct ccn_charbuf* cbuf = self->cbuf;
self->cbuf = ccn_charbuf_create();
CcnbOR_clear(self);
return cbuf;
}
return NULL;
}
void LMD_demux(LMD self) {
struct hashtb_enumerator htee; struct hashtb_enumerator* hte = &htee;
int htres; LMDRec rec;
SockAddr addr = SockAddr_ctor(); struct ccn_charbuf* hashkey;
void* buf = malloc(self->mtu); size_t len;
hashtb_start(self->demux, hte);
while ((len = NBS_read(self->nbs, buf, self->mtu, addr)) > 0) {
hashkey = SockAddr_hashkey(addr);
htres = hashtb_seek(hte, hashkey->buf, hashkey->length, 0);
rec = NULL;
if (htres == HT_OLD_ENTRY) {
rec = *((LMDRec*)hte->data);
} else {
rec = self->fallback;
if (htres == HT_NEW_ENTRY) hashtb_delete(hte);
}
if (rec != NULL) {
LMDRec_deliver(rec, buf, len, addr);
buf = malloc(self->mtu);
}
}
free(buf);
hashtb_end(hte);
SockAddr_dtor(addr);
}