int tube_write_msg(struct tube* tube, uint8_t* buf, uint32_t len,
int ATTR_UNUSED(nonblock))
{
uint8_t* a;
verbose(VERB_ALGO, "tube write_msg len %d", (int)len);
a = (uint8_t*)memdup(buf, len);
if(!a) {
log_err("out of memory in tube_write_msg");
return 0;
}
/* always nonblocking, this pipe cannot get full */
return tube_queue_item(tube, a, len);
}
/** add result to the bg worker result queue */
static void
add_bg_result(struct libworker* w, struct ctx_query* q, sldns_buffer* pkt,
int err, char* reason)
{
uint8_t* msg = NULL;
uint32_t len = 0;
if(w->want_quit) {
context_query_delete(q);
return;
}
/* serialize and delete unneeded q */
if(w->is_bg_thread) {
lock_basic_lock(&w->ctx->cfglock);
if(reason)
q->res->why_bogus = strdup(reason);
if(pkt) {
q->msg_len = sldns_buffer_remaining(pkt);
q->msg = memdup(sldns_buffer_begin(pkt), q->msg_len);
if(!q->msg)
msg = context_serialize_answer(q, UB_NOMEM,
NULL, &len);
else msg = context_serialize_answer(q, err,
NULL, &len);
} else msg = context_serialize_answer(q, err, NULL, &len);
lock_basic_unlock(&w->ctx->cfglock);
} else {
if(reason)
q->res->why_bogus = strdup(reason);
msg = context_serialize_answer(q, err, pkt, &len);
(void)rbtree_delete(&w->ctx->queries, q->node.key);
w->ctx->num_async--;
context_query_delete(q);
}
if(!msg) {
log_err("out of memory for async answer");
return;
}
if(!tube_queue_item(w->ctx->rr_pipe, msg, len)) {
log_err("out of memory for async answer");
return;
}
}
