static void
stats_metric_reset(struct array *stats_metric)
{
uint32_t i, nmetric;
nmetric = array_n(stats_metric);
ASSERT(nmetric == STATS_POOL_NFIELD || nmetric == STATS_SERVER_NFIELD);
for (i = 0; i < nmetric; i++) {
struct stats_metric *stm = array_get(stats_metric, i);
stats_metric_init(stm);
}
}
static rstatus_t
stats_pool_metric_init(struct array *stats_metric)
{
rstatus_t status;
uint32_t i, nfield = STATS_POOL_NFIELD;
status = array_init(stats_metric, nfield, sizeof(struct stats_metric));
if (status != NC_OK) {
return status;
}
for (i = 0; i < nfield; i++) {
struct stats_metric *stm = array_push(stats_metric);
/* initialize from pool codec first */
*stm = stats_pool_codec[i];
/* initialize individual metric */
stats_metric_init(stm);
}
return NC_OK;
}
static rstatus_t
stats_server_metric_init(struct stats_server *sts)
{
rstatus_t status;
uint32_t i, nfield = STATS_SERVER_NFIELD;
status = array_init(&sts->metric, nfield, sizeof(struct stats_metric));
if (status != NC_OK) {
return status;
}
for (i = 0; i < nfield; i++) {
struct stats_metric *stm = array_push(&sts->metric);
/* initialize from server codec first */
*stm = stats_server_codec[i];
/* initialize individual metric */
stats_metric_init(stm);
}
return NC_OK;
}
//把stats_pool_codec中的成员拷贝到stats_pool->metric
static rstatus_t //把stats_pool_codec数组成员赋值给stats_pool->metric数组
stats_pool_metric_init(struct array *stats_metric) //stats_pool->metric
{
rstatus_t status;
uint32_t i, nfield = STATS_POOL_NFIELD; //见stats_pool_field， STATS_POOL_CODEC数组最大值
status = array_init(stats_metric, nfield, sizeof(struct stats_metric));
if (status != NC_OK) {
return status;
}
for (i = 0; i < nfield; i++) {
struct stats_metric *stm = array_push(stats_metric);
/* initialize from pool codec first */
*stm = stats_pool_codec[i]; //赋值type和name
/* initialize individual metric */
stats_metric_init(stm); //初始化value
}
return NC_OK;
}
