static void chunk_free(chunk *c) {
if (NULL == c) return;
chunk_reset(c);
buffer_free(c->mem);
buffer_free(c->file.name);
free(c);
}
static void chunk_free(chunk *c) {
if (!c) return;
/* make sure fd's are closed and tempfile's are deleted. */
chunk_reset(c);
buffer_free(c->mem);
buffer_free(c->file.name);
free(c);
}
/**
* keep unused chunks alive and store them in the chunkpool
*
* we only want to keep a small set of chunks alive to balance between
* memory-usage and mallocs
*
* each filter will ask for a chunk
*/
static void chunkpool_add_unused_chunk(chunk *c) {
if (chunkpool_chunks > 128) {
chunk_free(c);
} else {
chunk_reset(c);
/* prepend the chunk to the chunkpool */
c->next = chunkpool;
chunkpool = c;
chunkpool_chunks++;
}
}
static void chunkqueue_push_unused_chunk(chunkqueue *cq, chunk *c) {
force_assert(NULL != cq && NULL != c);
/* keep at max 4 chunks in the 'unused'-cache */
if (cq->unused_chunks > 4) {
chunk_free(c);
} else {
chunk_reset(c);
c->next = cq->unused;
cq->unused = c;
cq->unused_chunks++;
}
}
static int da_haproxy(const struct arg *args, struct sample *smp, da_deviceinfo_t *devinfo)
{
struct buffer *tmp;
da_propid_t prop, *pprop;
da_status_t status;
da_type_t proptype;
const char *propname;
int i;
tmp = get_trash_chunk();
chunk_reset(tmp);
propname = (const char *) args[0].data.str.area;
i = 0;
for (; propname != 0; i ++,
propname = (const char *) args[i].data.str.area) {
status = da_atlas_getpropid(&global_deviceatlas.atlas,
propname, &prop);
if (status != DA_OK) {
chunk_appendf(tmp, "%c", global_deviceatlas.separator);
continue;
}
pprop = ∝
da_atlas_getproptype(&global_deviceatlas.atlas, *pprop, &proptype);
switch (proptype) {
case DA_TYPE_BOOLEAN: {
bool val;
status = da_getpropboolean(devinfo, *pprop, &val);
if (status == DA_OK) {
chunk_appendf(tmp, "%d", val);
}
break;
}
case DA_TYPE_INTEGER:
case DA_TYPE_NUMBER: {
long val;
status = da_getpropinteger(devinfo, *pprop, &val);
if (status == DA_OK) {
chunk_appendf(tmp, "%ld", val);
}
break;
}
case DA_TYPE_STRING: {
const char *val;
status = da_getpropstring(devinfo, *pprop, &val);
if (status == DA_OK) {
chunk_appendf(tmp, "%s", val);
}
break;
}
default:
break;
}
chunk_appendf(tmp, "%c", global_deviceatlas.separator);
}
da_close(devinfo);
if (tmp->data) {
--tmp->data;
tmp->area[tmp->data] = 0;
}
smp->data.u.str.area = tmp->area;
smp->data.u.str.data = tmp->data;
return 1;
}
