static void get_gw_data(char *username, char *device, JsonNode *last)
{
JsonNode *array;
static char *types[] = { "batt", "ext", "status", NULL };
char **t, *js;
static UT_string *ts = NULL, *u = NULL, *d = NULL;
if (last == NULL || last->tag != JSON_OBJECT)
return;
for (t = types; t && *t; t++) {
utstring_renew(u);
utstring_renew(d);
utstring_printf(u, "%s", username);
utstring_printf(d, "%s", device);
lowercase(UB(u));
lowercase(UB(d));
utstring_renew(ts);
utstring_printf(ts, "%s/last/%s/%s/%s.json",
STORAGEDIR,
UB(u),
UB(d),
*t);
/* Read file into JSON array and append to `last' object */
if ((js = slurp_file(UB(ts), TRUE)) != NULL) {
if ((array = json_decode(js)) != NULL) {
json_append_member(last, *t, array);
}
free(js);
}
}
}
JsonNode *lister(char *user, char *device, time_t s_lo, time_t s_hi, int reverse)
{
JsonNode *json = json_mkobject();
UT_string *path = NULL;
char *bp;
utstring_renew(path);
for (bp = user; bp && *bp; bp++) {
if (isupper(*bp))
*bp = tolower(*bp);
}
for (bp = device; bp && *bp; bp++) {
if (isupper(*bp))
*bp = tolower(*bp);
}
if (!user && !device) {
utstring_printf(path, "%s/rec", STORAGEDIR);
ls(UB(path), json);
} else if (!device) {
utstring_printf(path, "%s/rec/%s", STORAGEDIR, user);
ls(UB(path), json);
} else {
utstring_printf(path, "%s/rec/%s/%s",
STORAGEDIR, user, device);
lsscan(UB(path), s_lo, s_hi, json, reverse);
}
return (json);
}
int rates_cmd(void *cp, cp_arg_t *arg, void *data) {
utstring_renew(CF.s);
unsigned i,hits;
char *when;
for(i=0; i<CF.frames_1h->num_buckets; i++) {
hits = *(unsigned*)(bkt(CF.frames_1h,i)->data);
when = asctime(localtime(&(bkt(CF.frames_1h,i)->start)));
utstring_printf(CF.s, " %u frames: %s", hits, when);
}
cp_add_reply(cp,utstring_body(CF.s),utstring_len(CF.s));
}
void monitorhook(struct udata *userdata, time_t now, char *topic)
{
// struct udata *ud = (struct udata *)userdata;
/* TODO: add monitor hook to a "monitor" key in LMDB ? */
char mpath[BUFSIZ];
static UT_string *us = NULL;
utstring_renew(us);
utstring_printf(us, "%ld %s\n", now, topic);
snprintf(mpath, sizeof(mpath), "%s/monitor", STORAGEDIR);
safewrite(mpath, UB(us));
}
void olog(int level, char *fmt, ...)
{
va_list ap;
static UT_string *u = NULL;
va_start(ap, fmt);
utstring_renew(u);
utstring_printf_va(u, fmt, ap);
// fprintf(stderr, "+++++ [%s]\n", UB(u));
syslog(level, "%s", UB(u));
va_end(ap);
}
FILE *pathn(char *mode, char *prefix, UT_string *user, UT_string *device, char *suffix)
{
static UT_string *path = NULL;
time_t now;
utstring_renew(path);
ut_lower(user);
if (device) {
ut_lower(device);
utstring_printf(path, "%s/%s/%s/%s", STORAGEDIR, prefix, UB(user), UB(device));
} else {
utstring_printf(path, "%s/%s/%s", STORAGEDIR, prefix, UB(user));
}
ut_clean(path);
if (mkpath(UB(path)) < 0) {
olog(LOG_ERR, "Cannot create directory at %s: %m", UB(path));
return (NULL);
}
#if 0
if (device) {
utstring_printf(path, "/%s-%s.%s",
UB(user), UB(device), suffix);
} else {
utstring_printf(path, "/%s.%s",
UB(user), suffix);
}
#endif
if (strcmp(prefix, "rec") == 0) {
time(&now);
utstring_printf(path, "/%s.%s", yyyymm(now), suffix);
} else {
utstring_printf(path, "/%s.%s",
UB(user), suffix);
}
ut_clean(path);
return (fopen(UB(path), mode));
}
char *bindump(char *buf, long buflen)
{
static UT_string *out = NULL;
int i, ch;
utstring_renew(out);
for (i = 0; i < buflen; i++) {
ch = buf[i];
if (isprint(ch)) {
utstring_printf(out, "%c", ch);
} else {
utstring_printf(out, " %02X ", ch & 0xFF);
}
}
return (UB(out));
}
void debug(struct udata *ud, char *fmt, ...)
{
va_list ap;
static UT_string *u = NULL;
if (ud->debug == FALSE)
return;
va_start(ap, fmt);
utstring_renew(u);
utstring_printf_va(u, fmt, ap);
fprintf(stderr, "+++++ [%s]\n", UB(u));
va_end(ap);
}
static void lsscan(char *pathpat, time_t s_lo, time_t s_hi, JsonNode *obj, int reverse)
{
struct dirent **namelist;
int i, n;
JsonNode *jarr = json_mkarray();
static UT_string *path = NULL;
if (obj == NULL || obj->tag != JSON_OBJECT)
return;
utstring_renew(path);
/* Set global t_ values */
t_lo = s_lo;
t_hi = s_hi;
if ((n = scandir(pathpat, &namelist, filter_filename, cmp)) < 0) {
json_append_member(obj, "error", json_mkstring("Cannot lsscan requested directory"));
return;
}
if (reverse) {
for (i = n - 1; i >= 0; i--) {
utstring_clear(path);
utstring_printf(path, "%s/%s", pathpat, namelist[i]->d_name);
json_append_element(jarr, json_mkstring(UB(path)));
free(namelist[i]);
}
} else {
for (i = 0; i < n; i++) {
utstring_clear(path);
utstring_printf(path, "%s/%s", pathpat, namelist[i]->d_name);
json_append_element(jarr, json_mkstring(UB(path)));
free(namelist[i]);
}
}
free(namelist);
json_append_member(obj, "results", jarr);
}
int stats_cmd(void *cp, cp_arg_t *arg, void *data) {
utstring_renew(CF.s);
utstring_printf(CF.s, "frames_read: %u\n", CF.frames_read);
utstring_printf(CF.s, "frames_processed: %u\n", CF.frames_processed);
cp_add_reply(cp,utstring_body(CF.s),utstring_len(CF.s));
}