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//
// Copyright 2016 Garrett D'Amore <garrett@damore.org>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "core/nng_impl.h"
#include <string.h>
int
nni_setopt_duration(nni_duration *ptr, const void *val, size_t size)
{
nni_duration dur;
if (size != sizeof (*ptr)) {
return (NNG_EINVAL);
}
memcpy(&dur, val, sizeof (dur));
if (dur < -1) {
return (NNG_EINVAL);
}
*ptr = dur;
return (0);
}
int
nni_setopt_int(int *ptr, const void *val, size_t size, int minval, int maxval)
{
int v;
if (size != sizeof (v)) {
return (NNG_EINVAL);
}
memcpy(&v, val, sizeof (v));
if (v > maxval) {
return (NNG_EINVAL);
}
if (v < minval) {
return (NNG_EINVAL);
}
*ptr = v;
return (0);
}
int
nni_getopt_duration(nni_duration *ptr, void *val, size_t *sizep)
{
size_t sz = sizeof (*ptr);
if (sz > *sizep) {
sz = *sizep;
}
*sizep = sizeof (*ptr);
memcpy(val, ptr, sz);
return (0);
}
int
nni_getopt_int(int *ptr, void *val, size_t *sizep)
{
size_t sz = sizeof (*ptr);
if (sz > *sizep) {
sz = *sizep;
}
*sizep = sizeof (*ptr);
memcpy(val, ptr, sz);
return (0);
}
int
nni_setopt_buf(nni_msgq *mq, const void *val, size_t sz)
{
int len;
if (sz < sizeof (len)) {
return (NNG_EINVAL);
}
memcpy(&len, val, sizeof (len));
if (len < 0) {
return (NNG_EINVAL);
}
if (len > 8192) {
// put a reasonable uppper limit on queue depth.
// This is a count in messages, so the total queue
// size could be quite large indeed in this case.
return (NNG_EINVAL);
}
return (nni_msgq_resize(mq, len));
}
int
nni_getopt_buf(nni_msgq *mq, void *val, size_t *sizep)
{
int len = nni_msgq_cap(mq);
int sz = *sizep;
if (sz > sizeof (len)) {
sz = sizeof (len);
}
memcpy(val, &len, sz);
*sizep = sizeof (len);
return (0);
}
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