void rl_initialize(void)
{
if (!rl_prompt)
rl_prompt = "? ";
hist_alloc();
/* Setup I/O descriptors */
if (!rl_instream) el_infd = EL_STDIN;
else el_infd = fileno(rl_instream);
if (el_infd < 0) el_infd = EL_STDIN;
if (!rl_outstream) el_outfd = EL_STDOUT;
else el_outfd = fileno(rl_outstream);
if (el_outfd < 0) el_outfd = EL_STDOUT;
}
static void
update_histotier(histotier *ht, u_int64_t s,
struct histogram_config *conf, noit_check_t *check,
const char *name, double val, u_int64_t cnt) {
u_int64_t minute = s/60;
u_int8_t second = s%60;
u_int8_t sec_bucket = s%10;
noit_check_metric_count_add(cnt);
if((second != ht->last_second || check->flags & NP_TRANSIENT) &&
check->feeds) {
int last_second = ht->last_second;
int last_minute = ht->last_minute;
u_int8_t last_bucket;
/* If we are transient we're coming to this sloppy.
* Someone else owns this ht. So, if we're high-traffic
* then last_second has already been bumped, so we need to
* rewind it.
*/
if(check->flags & NP_TRANSIENT && second == last_second) {
last_second--;
if(last_second < 0) {
last_second = 59;
last_minute--;
}
}
last_bucket = last_second % 10;
if(ht->secs[last_bucket] && hist_num_buckets(ht->secs[last_bucket]))
log_histo(conf, check, last_minute * 60 + last_second,
name, ht->secs[last_bucket], mtev_true);
}
if(minute > ht->last_minute) {
sweep_roll_n_log(conf, check, ht, name);
}
else if(second/10 > ht->last_second/10) {
sweep_roll_tensec(ht);
}
if(cnt > 0) {
if(ht->secs[sec_bucket] == NULL)
ht->secs[sec_bucket] = hist_alloc();
hist_insert(ht->secs[sec_bucket], val, cnt);
}
ht->last_minute = minute;
ht->last_second = second;
}
int write_history(const char *filename)
{
FILE *fp;
hist_alloc();
fp = fopen(filename, "w");
if (fp) {
int i = 0;
while (i < H.Size)
fprintf(fp, "%s\n", H.Lines[i++]);
fclose(fp);
return 0;
}
return errno;
}
int read_history(const char *filename)
{
FILE *fp;
char buf[SCREEN_INC];
hist_alloc();
fp = fopen(filename, "r");
if (fp) {
H.Size = 0;
while (H.Size < el_hist_size) {
if (!fgets(buf, SCREEN_INC, fp))
break;
buf[strlen(buf) - 1] = 0; /* Remove '\n' */
add_history(buf);
}
fclose(fp);
return 0;
}
return errno;
}
